Merge pull request #79 from gansm/master

merge

ChangeLog

@@ -1,3 +1,35 @@
+2019-11-07  Markus Gans  <guru.mail@muenster.de>
+        * Version 0.7.0
+
+2020-11-04  Markus Gans  <guru.mail@muenster.de>
+	* Elimination of unnecessary terminal flushes
+
+2020-11-03  Markus Gans  <guru.mail@muenster.de>
+	* Use FIONREAD to get the number of characters available 
+	  for reading on stdin
+
+2020-11-02  Markus Gans  <guru.mail@muenster.de>
+	* Non-blocking reading before timeout after keystroke
+	* Every fourth event processing causes a terminal flush
+	* Call of TIOCLINUX only in the Linux console
+
+2020-11-01  Markus Gans  <guru.mail@muenster.de>
+	* Now FINAL CUT queues keyboard and mouse input to speed up 
+	  the processing of widget events
+
+2020-10-22  Markus Gans  <guru.mail@muenster.de>
+	* Repair terminal update skipping
+
+2020-10-20  Markus Gans  <guru.mail@muenster.de>
+	* For fast mouse movements the keyboard interval was increased 
+	  from 13.3 to 30 Hz
+
+2020-10-19  Markus Gans  <guru.mail@muenster.de>
+	* Optimize the terminal output speed
+
+2020-10-17  Markus Gans  <guru.mail@muenster.de>
+	* Fixes unit test segfault
+
 2020-10-11  Markus Gans  <guru.mail@muenster.de>
 	* Solaris build fix
 	* Added saving and restoring xterm titles to the stack 
@@ -224,7 +256,7 @@
 	* Revision of FString number input stream
 
 2019-11-16  Markus Gans  <guru.mail@muenster.de>
-	* New Widget class FSpinBox to provide spin boxes
+	* New widget class FSpinBox to provide spin boxes
 
 2019-11-06  Markus Gans  <guru.mail@muenster.de>
 	* Improved display of the NewFont midline 

configure.ac

@@ -4,7 +4,7 @@
 
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([finalcut], [0.6.1])
+AC_INIT([finalcut], [0.7.0])
 AC_CONFIG_HEADER([config.h])
 AX_PREFIX_CONFIG_H([src/include/final/fconfig.h], [F])
 AC_CONFIG_SRCDIR([src/fobject.cpp])
@@ -64,7 +64,7 @@ LT_OUTPUT
 ### This defines the version number of the installed .so files
 ### Update this value for every release!  (A:B:C will map to foo.so.(A-C).C.B)
 ### using libtool's versioning system.
-AC_SUBST(SO_VERSION, ["6:1:6"])
+AC_SUBST(SO_VERSION, ["7:0:7"])
 
 AC_SUBST([LIBTOOL_DEPS])
 

debian/changelog

@@ -1,3 +1,9 @@
+finalcut (0.7.0) unstable; urgency=low
+
+  * Release (version 0.7.0)
+
+ -- Markus Gans <guru.mail@muenster.de>  Sat, 07 Nov 2020 11:24:39 +0100
+
 finalcut (0.6.0) unstable; urgency=low
 
   * Release (version 0.6.0)

debian/libfinal-dev.docs

@@ -3,21 +3,34 @@ COPYING
 COPYING.LESSER
 ChangeLog
 README.md
-doc/calendar-draft.png
+doc/benchmark.md
 doc/calculator.png
+doc/calendar-draft.png
 doc/class-diagram.txt
 doc/class_template.cpp
 doc/class_template.h
+doc/coding-style.txt
 doc/console_codes-manual.sh
 doc/console_ioctl-manual.sh
 doc/faq.md
 doc/fileopen-dialog.png
+doc/final-cut-application-structure.svg
+doc/final-cut-widget-tree.svg
+doc/first-steps_callback-function.cpp.png
+doc/first-steps_callback-lambda.cpp.png
+doc/first-steps_callback-method.cpp.png
+doc/first-steps_dialog.cpp.png
+doc/first-steps_emit-signal.cpp.png
 doc/first-steps.md
+doc/first-steps_memory.cpp.png
+doc/first-steps_scrollview.cpp.png
+doc/first-steps_size-adjustment.cpp.png
+doc/first-steps_timer.cpp.png
+doc/first-steps_user-event.cpp.png
 doc/framebuffer.txt
 doc/Mandelbrot.png
+doc/mouse-control.md
 doc/ncurses.supp
-doc/newfont1.png
-doc/newfont2.png
 doc/progress-bar.png
 doc/readme.txt
 doc/coding-style.txt
@@ -25,9 +38,20 @@ doc/terminfo-capabilities.sh
 doc/terminfo-manual.sh
 doc/textview.png
 doc/TODO
+doc/user-theme-bee-palette.svg
+doc/user-theme-fc16-dark-palette.svg
+doc/user-theme-fc16-palette.svg
+doc/user-theme-fc8-palette.svg
+doc/user-theme.md
+doc/user-theme.png
+doc/user-theme-vga-palette.svg
 doc/vga.txt
-doc/vt100_line_drawing_graphics.png
 doc/virtual-terminal.txt
-doc/xterm.txt
+doc/vt100_line_drawing_graphics.png
+doc/widget-coordinates.svg
+doc/widget-geometry.svg
+doc/widget-lengths.svg
 doc/xgraphics
+doc/xterm.txt
 fonts/newfont.txt
+

debian/libfinal0.shlibs

@@ -1 +1 @@
-libfinal 0 libfinal0 (>= 0.6.0)
+libfinal 0 libfinal0 (>= 0.7.0)

doc/Makefile.am

@@ -18,6 +18,7 @@ EXTRA_DIST = \
 	faq.md \
 	fileopen-dialog.png \
 	final-cut-application-structure.svg \
+	final-cut-widget-tree.svg \
 	first-steps.md \
 	first-steps_callback-function.cpp.png \
 	first-steps_callback-lambda.cpp.png \
@@ -74,6 +75,7 @@ doc_DATA = \
 	faq.md \
 	fileopen-dialog.png \
 	final-cut-application-structure.svg \
+	final-cut-widget-tree.svg \
 	first-steps.md \
 	first-steps_callback-function.cpp.png \
 	first-steps_callback-lambda.cpp.png \

doc/first-steps.md

@@ -89,7 +89,7 @@ unique and can not have a parent widget. The class `FApplication` manages
 all settings and assigns keyboard and mouse input to the different widgets.
 
 <figure class="image">
-  <img src="final-cut-widget tree.svg" alt="widget tree">
+  <img src="final-cut-widget-tree.svg" alt="widget tree">
   <figcaption>Figure 2.  Widget tree of a FINAL CUT application</figcaption>
 </figure>
 <br /><br />

examples/background-color.cpp

@@ -183,7 +183,6 @@ void Background::cb_changed()
                               , int(green.getValue())
                               , int(blue.getValue()) );
   redraw();
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------
@@ -205,7 +204,6 @@ void Background::cb_choice()
                               , int(green.getValue())
                               , int(blue.getValue()) );
   redraw();
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------

examples/calculator.cpp

@@ -335,7 +335,6 @@ void Calc::onKeyPress (finalcut::FKeyEvent* ev)
         }
 
         drawDispay();
-        updateTerminal();
       }
 
       ev->accept();
@@ -394,7 +393,6 @@ void Calc::cb_buttonClicked (Calc::button key)
   }
 
   drawDispay();
-  updateTerminal();
 
   if ( infix_operator && ! isDataEntryKey(key) )
     input = "";

examples/choice.cpp

@@ -147,7 +147,7 @@ int main (int argc, char* argv[])
     dgl.show();
 
     // Get the checked radio button text
-    for (int n{1}; n <= int(checkButtonGroup.getCount()); n++)
+    for (auto n{1}; n <= int(checkButtonGroup.getCount()); n++)
     {
       if ( checkButtonGroup.isChecked(n) )
       {
@@ -157,7 +157,6 @@ int main (int argc, char* argv[])
     }
   }  // Hide and destroy the dialog object
 
-
   // Create and show tooltip for two seconds
   finalcut::FToolTip tooltip{&app};
   tooltip.setText ("You have chosen " + label_text);

examples/event-log.cpp

@@ -294,7 +294,6 @@ void EventLog::onTimer (finalcut::FTimerEvent*)
     str("");
     scrolltext.scrollToEnd();
     redraw();
-    updateTerminal();
   }
 }
 

examples/fullwidth-character.cpp

@@ -111,7 +111,7 @@ int main (int argc, char* argv[])
       };
 
   auto cb_tooltip = \
-      [] (finalcut::FApplication* a)
+      [] (finalcut::FDialog* a)
       {
         finalcut::FToolTip tooltip(a);
         tooltip.setText (full("A tooltip with\ncharacters\n"
@@ -124,7 +124,7 @@ int main (int argc, char* argv[])
   btn.addCallback ("clicked", cb_exit, std::ref(app));
   Exit.addCallback ("clicked", cb_exit, std::ref(app));
   Quit.addCallback ("clicked", cb_exit, std::ref(app));
-  key_F1.addCallback ("activate", cb_tooltip, &app);
+  key_F1.addCallback ("activate", cb_tooltip, &dgl);
 
   // Set dialog object as main widget
   finalcut::FWidget::setMainWidget(&dgl);

examples/listbox.cpp

@@ -116,12 +116,12 @@ Listbox::Listbox (FWidget* parent)
   list1.setGeometry(FPoint{2, 1}, FSize{18, 10});
   list1.setText ("FListBoxItem");
 
-  for (int i{1}; i < 30; i++)
+  for (auto i{1}; i < 30; i++)
     list1.insert (L"----- " + (FString{} << i) + L" -----");
 
   // listbox 2
   //----------
-  for (int i{1}; i <= 15; i++)
+  for (auto i{1}; i <= 15; i++)
     double_list.push_back(2 * double(i) + (double(i) / 100));
 
   list2.setGeometry(FPoint{21, 1}, FSize{10, 10});

examples/mouse.cpp

@@ -152,7 +152,7 @@ void ColorChooser::onMouseDown (finalcut::FMouseEvent* ev)
   if ( ev->getButton() == fc::MiddleButton )
     return;
 
-  for (int c{0}; c < 16; c++)
+  for (auto c{0}; c < 16; c++)
   {
     const int xmin = 2 + (c / 8) * 3;
     const int xmax = 4 + (c / 8) * 3;
@@ -434,7 +434,7 @@ void MouseDraw::draw()
 
   if ( finalcut::FTerm::isNewFont() )
   {
-    for (int y{2}; y < y_max; y++)
+    for (auto y{2}; y < y_max; y++)
     {
       print() << FPoint{10, y}
               << fc::NF_rev_border_line_right;
@@ -448,7 +448,7 @@ void MouseDraw::draw()
     print() << FPoint{10, 2}
             << fc::BoxDrawingsDownAndHorizontal;
 
-    for (int y{3}; y < y_max; y++)
+    for (auto y{3}; y < y_max; y++)
     {
       print() << FPoint{10, y} << fc::BoxDrawingsVertical;
     }
@@ -503,14 +503,14 @@ void MouseDraw::drawCanvas()
   const int x_end = canvas->width;
   const int w_line_len = printarea->width + printarea->right_shadow;
 
-  for (int y{0}; y < y_end; y++)  // line loop
+  for (auto y{0}; y < y_end; y++)  // line loop
   {
-    const finalcut::FChar* canvaschar{};  // canvas character
+    // canvas character
-    finalcut::FChar* winchar{};     // window character
+    const auto& canvaschar = canvas->data[y * x_end];
-    canvaschar = &canvas->data[y * x_end];
+    // window character
-    winchar = &printarea->data[(ay + y) * w_line_len + ax];
+    auto& winchar = printarea->data[(ay + y) * w_line_len + ax];
-    std::memcpy ( winchar
+    std::memcpy ( &winchar
-                , canvaschar
+                , &canvaschar
                 , sizeof(finalcut::FChar) * unsigned(x_end) );
 
     if ( int(printarea->changes[ay + y].xmin) > ax )
@@ -521,6 +521,9 @@ void MouseDraw::drawCanvas()
   }
 
   printarea->has_changes = true;
+
+  if ( updateTerminal() )
+    flush();
 }
 
 //----------------------------------------------------------------------

examples/opti-move.cpp

@@ -27,10 +27,6 @@
 
 #include <final/final.h>
 
-
-// Global FApplication object
-static finalcut::FApplication* app{nullptr};
-
 // function prototype
 bool keyPressed();
 void term_boundaries (int&, int&);
@@ -66,8 +62,8 @@ bool keyPressed()
 void term_boundaries (int& x, int& y)
 {
   // checks and corrects the terminal boundaries
-  const auto term_width  = int(app->getDesktopWidth());
+  const auto term_width  = int(finalcut::FTerm::getColumnNumber());
-  const auto term_height = int(app->getDesktopHeight());
+  const auto term_height = int(finalcut::FTerm::getLineNumber());
 
   if ( x < 0 )
     x = 0;
@@ -226,9 +222,6 @@ int main (int argc, char* argv[])
   if ( finalcut::FApplication::isQuit() )
     return 0;
 
-  // Pointer to the global virtual terminal object
-  app = &term_app;
-
   // Get screen dimension
   auto xmax = int(term_app.getDesktopWidth() - 1);
   auto ymax = int(term_app.getDesktopHeight() - 1);
@@ -282,7 +275,5 @@ int main (int argc, char* argv[])
 
   // Waiting for keypress
   keyPressed();
-  app = nullptr;  // End of term_app object scope
-
   return 0;
 }

examples/rotozoomer.cpp

@@ -157,13 +157,13 @@ void RotoZoomer::rotozoomer (double cx, double cy, double r, double a)
   int  dxdy = (Cx - Ax) / 23;
   int  dydy = (Cy - Ay) / 23;
 
-  for (int y = 0; y < Lines; y++)
+  for (auto y = 0; y < Lines; y++)
   {
     Cx = Ax;
     Cy = Ay;
     print() << FPoint{2, 3 + y};
 
-    for (int x = 0; x < Cols; x++)
+    for (auto x = 0; x < Cols; x++)
     {
       auto ch = data[((Cy >> 14) & 0xf) + ((Cx >> 10) & 0xf0)];
 
@@ -225,7 +225,7 @@ void RotoZoomer::onShow (finalcut::FShowEvent*)
     for (path = 1; path < loops; path++)
     {
       redraw();
-      updateTerminal();
+      processTerminalUpdate();
     }
 
     end = system_clock::now();
@@ -244,8 +244,6 @@ void RotoZoomer::onTimer (finalcut::FTimerEvent*)
     path++;
 
   redraw();
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------

examples/scrollview.cpp

@@ -135,11 +135,11 @@ void Scrollview::draw()
   setColor (wc->label_inactive_fg, wc->dialog_bg);
   clearArea();
 
-  for (int y{0}; y < int(getScrollHeight()); y++)
+  for (auto y{0}; y < int(getScrollHeight()); y++)
   {
     print() << FPoint{1, 1 + y};
 
-    for (int x{0}; x < int(getScrollWidth()); x++)
+    for (auto x{0}; x < int(getScrollWidth()); x++)
       print (32 + ((x + y) % 0x5f));
   }
 

examples/string-operations.cpp

@@ -370,7 +370,7 @@ void stringConcatenationExample()
 
   // Test: concatenate a FString and a wide string (operator +)
   const finalcut::FString& add3 = finalcut::FString("FString + ")
-                                + const_cast<wchar_t*>(L"wchar_t*");
+                                + L"wchar_t*";
   std::cout << "       add: " << add3 << std::endl;
 
   // Test: concatenate a FString and a c++ string (operator +)
@@ -402,7 +402,7 @@ void stringConcatenationExample()
   std::cout << "       add: " << add9 << std::endl;
 
   // Test: concatenate a c-string and a FString (operator +)
-  const finalcut::FString& add10 = const_cast<char*>("char*")
+  const finalcut::FString& add10 = "char*"
                                  + finalcut::FString(" + FString");
   std::cout << "       add: " << add10 << std::endl;
 
@@ -412,7 +412,7 @@ void stringConcatenationExample()
   std::cout << "       add: " << add11 << std::endl;
 
   // Test: concatenate a wide string and a FString (operator +)
-  const finalcut::FString& add12 = const_cast<wchar_t*>(L"wchar_t*")
+  const finalcut::FString& add12 = L"wchar_t*"
                                  + finalcut::FString(" + FString");
   std::cout << "       add: " << add12 << std::endl;
 

examples/termcap.cpp

@@ -230,10 +230,10 @@ void debug (const finalcut::FApplication& TermApp)
             << debug_data.getTermType_SecDA() << "\r\n";
 
   if ( ! ab_s.isEmpty() )
-    tcapString ("|         The answerback String", ab_s);
+    tcapString ("|         The answerback String", ab_s.c_str());
 
   if ( ! sec_da.isEmpty() )
-    tcapString ("|              The SecDA String", sec_da);
+    tcapString ("|              The SecDA String", sec_da.c_str());
 
   std::cout << "`------------------- debug -------------------\r\n";
 }

examples/transparent.cpp

@@ -113,7 +113,7 @@ void Transparent::draw()
   const finalcut::FString line{getClientWidth(), '.'};
 
   // Fill window area
-  for (int n{1}; n <= int(getClientHeight()); n++)
+  for (auto n{1}; n <= int(getClientHeight()); n++)
   {
     print() << FPoint{2, 2 + n}
             << line;
@@ -237,8 +237,6 @@ void MainWindow::draw()
 
   if ( finalcut::FTerm::isMonochron() )
     setReverse(false);
-
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------

examples/ui.cpp

@@ -159,9 +159,6 @@ void ProgressDialog::onTimer (finalcut::FTimerEvent*)
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------
@@ -300,7 +297,7 @@ class MyDialog final : public finalcut::FDialog
     void cb_copyClipboard();
     void cb_pasteClipboard();
     void cb_clearInput();
-    void cb_switchTheme (const finalcut::FCheckMenuItem*) const;
+    void cb_switchTheme (const finalcut::FCheckMenuItem*);
     void cb_input2buttonText ( finalcut::FButton&
                              , const finalcut::FLineEdit& ) const;
     void cb_setTitlebar (const finalcut::FLineEdit&);
@@ -600,7 +597,7 @@ void MyDialog::initWidgets()
   myList.setMultiSelection();
   myList.reserve(100);
 
-  for (int z{1}; z < 100; z++)
+  for (auto z{1}; z < 100; z++)
     myList.insert (finalcut::FString{} << z << L" placeholder");
 
   // Text labels
@@ -936,7 +933,7 @@ void MyDialog::cb_clearInput()
 }
 
 //----------------------------------------------------------------------
-void MyDialog::cb_switchTheme (const finalcut::FCheckMenuItem* check_menu) const
+void MyDialog::cb_switchTheme (const finalcut::FCheckMenuItem* check_menu)
 {
   if ( check_menu->isChecked() )
     finalcut::FApplication::setDarkTheme();
@@ -1021,7 +1018,7 @@ void MyDialog::cb_view (const finalcut::FMenuItem* item)
   view->setResizeable();
   std::string line{""};
   std::ifstream infile;
-  infile.open(file);
+  infile.open(file.c_str());
 
   while ( ! infile.eof() && infile.good() )
   {

examples/windows.cpp

@@ -153,7 +153,6 @@ void SmallWindow::onTimer (finalcut::FTimerEvent*)
   top_right_label.redraw();
   bottom_label.unsetEmphasis();
   bottom_label.redraw();
-  updateTerminal();
   delOwnTimers();
 }
 
@@ -344,8 +343,6 @@ void Window::activateWindow (finalcut::FDialog* win) const
 
   if ( has_raised )
     win->redraw();
-
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------

finalcut.changes

@@ -1,3 +1,7 @@
+-------------------------------------------------------------------
+Sat Nov 07 11:24:39 UTC 2020 - Markus Gans <guru.mail@muenster.de>
+- Release (version 0.7.0)
+
 -------------------------------------------------------------------
 Mon Oct 14 23:49:57 UTC 2019 - Markus Gans <guru.mail@muenster.de>
 - Release (version 0.6.0)

m4/libtool.m4

@@ -4063,7 +4063,8 @@ _LT_EOF
   if AC_TRY_EVAL(ac_compile); then
     # Now try to grab the symbols.
     nlist=conftest.nm
-    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
+    $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD
+    if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then
       # Try sorting and uniquifying the output.
       if sort "$nlist" | uniq > "$nlist"T; then
 	mv -f "$nlist"T "$nlist"
@@ -6438,7 +6439,7 @@ if test yes != "$_lt_caught_CXX_error"; then
       # Commands to make compiler produce verbose output that lists
       # what "hidden" libraries, object files and flags are used when
       # linking a shared library.
-      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
 
     else
       GXX=no
@@ -6813,7 +6814,7 @@ if test yes != "$_lt_caught_CXX_error"; then
             # explicitly linking system object files so we need to strip them
             # from the output so that they don't get included in the library
             # dependencies.
-            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP " \-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
             ;;
           *)
             if test yes = "$GXX"; then
@@ -6878,7 +6879,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	    # explicitly linking system object files so we need to strip them
 	    # from the output so that they don't get included in the library
 	    # dependencies.
-	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP " \-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
 	    ;;
           *)
 	    if test yes = "$GXX"; then
@@ -7217,7 +7218,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	      # Commands to make compiler produce verbose output that lists
 	      # what "hidden" libraries, object files and flags are used when
 	      # linking a shared library.
-	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
 
 	    else
 	      # FIXME: insert proper C++ library support
@@ -7301,7 +7302,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	        # Commands to make compiler produce verbose output that lists
 	        # what "hidden" libraries, object files and flags are used when
 	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
 	      else
 	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
 	        # platform.
@@ -7312,7 +7313,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	        # Commands to make compiler produce verbose output that lists
 	        # what "hidden" libraries, object files and flags are used when
 	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
 	      fi
 
 	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'

scripts/cppcheck.sh

@@ -2,8 +2,8 @@
 
 if [ $# -gt 0 ]
 then
-  eval cppcheck --force --std=c++11 --enable=all -I../src/include/ "$@"
+  eval cppcheck --force --language=c++ --std=c++11 --enable=all -I../src/include/ "$@"
 else
-  eval cppcheck --force --std=c++11 --enable=all -I../src/include/ ../src/ ../examples/
+  eval cppcheck --force --language=c++ --std=c++11 --enable=all -I../src/include/ ../src/ ../examples/
 fi
 

sonar-project.properties

@@ -1,6 +1,6 @@
 sonar.projectKey=gansm_finalcut
 sonar.projectName=finalcut
-sonar.projectVersion=0.6.1
+sonar.projectVersion=0.7.0
 sonar.projectDescription=A text-based widget toolkit 
 
 #----------------------------------------------------------------------

src/Makefile.clang

@@ -3,7 +3,7 @@
 #-----------------------------------------------------------------------------
 
 # This is where make install will install the library
-VERSION = "0.6.1"
+VERSION = "0.7.0"
 MAJOR := $(shell echo ${VERSION} | cut -d. -f1)
 LIBDIR = /usr/local/lib
 INCLUDEDIR1 = include/final

src/Makefile.gcc

@@ -3,7 +3,7 @@
 #-----------------------------------------------------------------------------
 
 # This is where make install will install the library
-VERSION = "0.6.1"
+VERSION = "0.7.0"
 MAJOR := $(shell echo ${VERSION} | cut -d. -f1)
 LIBDIR = /usr/local/lib
 INCLUDEDIR1 = include/final

src/fapplication.cpp

@@ -46,11 +46,19 @@
 namespace finalcut
 {
 
-// Global application object
+namespace internal
-static FApplication* app_object{nullptr};
+{
 
-// Flag to exit the local event loop
+struct var
-static bool app_exit_loop{false};
+{
+  static FApplication* app_object;  // Global application object
+  static bool          exit_loop;   // Flag to exit the local event loop
+};
+
+FApplication*  var::app_object {nullptr};
+bool           var::exit_loop  {false};
+
+}  // namespace internal
 
 // Static attributes
 FWidget*       FWidget::main_widget          {nullptr};  // main application widget
@@ -65,33 +73,9 @@ FMouseControl* FApplication::mouse           {nullptr};  // mouse control
 int            FApplication::loop_level      {0};        // event loop level
 int            FApplication::quit_code       {EXIT_SUCCESS};
 bool           FApplication::quit_now        {false};
-uInt64         FApplication::next_event_wait {5000};     // preset to 5 ms (200 Hz)
+bool           FApplication::pending_updates {false};
-struct timeval FApplication::time_last_event{};
+uInt64         FApplication::next_event_wait {5000};     // 5 ms (200 Hz)
-
+struct timeval FApplication::time_last_event {};
-
-const std::vector<FApplication::CmdOption> FApplication::long_options =
-{
-  {"encoding",                 required_argument, nullptr,  'e' },
-  {"log-file",                 required_argument, nullptr,  'l' },
-  {"no-mouse",                 no_argument,       nullptr,  'm' },
-  {"no-optimized-cursor",      no_argument,       nullptr,  'o' },
-  {"no-terminal-detection",    no_argument,       nullptr,  'd' },
-  {"no-terminal-data-request", no_argument,       nullptr,  'r' },
-  {"no-color-change",          no_argument,       nullptr,  'c' },
-  {"no-sgr-optimizer",         no_argument,       nullptr,  's' },
-  {"vgafont",                  no_argument,       nullptr,  'v' },
-  {"newfont",                  no_argument,       nullptr,  'n' },
-  {"dark-theme",               no_argument,       nullptr,  't' },
-
-#if defined(__FreeBSD__) || defined(__DragonFly__)
-  {"no-esc-for-alt-meta",      no_argument,       nullptr,  'E' },
-  {"no-cursorstyle-change",    no_argument,       nullptr,  'C' },
-#elif defined(__NetBSD__) || defined(__OpenBSD__)
-  {"no-esc-for-alt-meta",      no_argument,       nullptr,  'E' },
-#endif
-
-  {nullptr,                    0,                 nullptr,  0   }
-};
 
 
 //----------------------------------------------------------------------
@@ -108,7 +92,7 @@ FApplication::FApplication (const int& _argc, char* _argv[])
   if ( quit_now )
     return;
 
-  if ( app_object )
+  if ( internal::var::app_object )
   {
     auto ftermdata = FTerm::getFTermData();
     ftermdata->setExitMessage("FApplication: There should be "
@@ -118,7 +102,7 @@ FApplication::FApplication (const int& _argc, char* _argv[])
   }
 
   // First define the application object
-  app_object = this;
+  internal::var::app_object = this;
 
   if ( ! (_argc && _argv) )
   {
@@ -134,7 +118,7 @@ FApplication::FApplication (const int& _argc, char* _argv[])
 //----------------------------------------------------------------------
 FApplication::~FApplication()  // destructor
 {
-  app_object = nullptr;
+  internal::var::app_object = nullptr;
 
   if ( eventInQueue() )
     event_queue.clear();
@@ -147,7 +131,7 @@ FApplication::~FApplication()  // destructor
 //----------------------------------------------------------------------
 FApplication* FApplication::getApplicationObject()
 {
-  return app_object;
+  return internal::var::app_object;
 }
 
 //----------------------------------------------------------------------
@@ -187,7 +171,7 @@ void FApplication::setLog (const FLogPtr& log)
 //----------------------------------------------------------------------
 bool FApplication::isQuit()
 {
-  return ( app_object ) ? quit_now : true;
+  return ( internal::var::app_object ) ? quit_now : true;
 }
 
 //----------------------------------------------------------------------
@@ -210,13 +194,13 @@ int FApplication::enterLoop()  // event loop
   loop_level++;
   quit_now = false;
 
-  const bool old_app_exit_loop = app_exit_loop;
+  const bool old_app_exit_loop = internal::var::exit_loop;
-  app_exit_loop = false;
+  internal::var::exit_loop = false;
 
-  while ( ! (quit_now || app_exit_loop) )
+  while ( ! (quit_now || internal::var::exit_loop) )
     processNextEvent();
 
-  app_exit_loop = old_app_exit_loop;
+  internal::var::exit_loop = old_app_exit_loop;
   loop_level--;
   return 0;
 }
@@ -224,7 +208,7 @@ int FApplication::enterLoop()  // event loop
 //----------------------------------------------------------------------
 void FApplication::exitLoop() const
 {
-  app_exit_loop = true;
+  internal::var::exit_loop = true;
 }
 
 //----------------------------------------------------------------------
@@ -243,7 +227,7 @@ void FApplication::quit() const
 //----------------------------------------------------------------------
 bool FApplication::sendEvent (FObject* receiver, FEvent* event )
 {
-  if ( quit_now || app_exit_loop || ! (bool(receiver) && bool(event)) )
+  if ( quit_now || internal::var::exit_loop || ! (bool(receiver) && bool(event)) )
     return false;
 
   if ( ! isEventProcessable (receiver, event) )
@@ -281,7 +265,7 @@ void FApplication::sendQueuedEvents()
 //----------------------------------------------------------------------
 bool FApplication::eventInQueue() const
 {
-  if ( app_object )
+  if ( internal::var::app_object )
     return ( ! event_queue.empty() );
   else
     return false;
@@ -355,7 +339,7 @@ void FApplication::setDarkTheme()
 void FApplication::setLogFile (const FString& filename)
 {
   auto& log_stream = getStartOptions().logfile_stream;
-  log_stream.open(filename, std::ofstream::out);
+  log_stream.open(filename.c_str(), std::ofstream::out);
 
   if ( log_stream.is_open() )
   {
@@ -383,7 +367,7 @@ void FApplication::setKeyboardWidget (FWidget* widget)
 //----------------------------------------------------------------------
 void FApplication::closeConfirmationDialog (FWidget* w, FCloseEvent* ev)
 {
-  app_object->unsetMoveSizeMode();
+  internal::var::app_object->unsetMoveSizeMode();
   const int ret = FMessageBox::info ( w, "Quit"
                                     , "Do you really want\n"
                                       "to quit the program ?"
@@ -427,31 +411,39 @@ void FApplication::init()
   // Initialize keyboard
   keyboard = FTerm::getFKeyboard();
 
-  // Set the keyboard keypress timeout
+
   if ( keyboard )
   {
     auto cmd1 = std::bind(&FApplication::keyPressed, this);
     auto cmd2 = std::bind(&FApplication::keyReleased, this);
     auto cmd3 = std::bind(&FApplication::escapeKeyPressed, this);
+    auto cmd4 = std::bind(&FApplication::mouseTracking, this);
     FKeyboardCommand key_cmd1 (cmd1);
     FKeyboardCommand key_cmd2 (cmd2);
     FKeyboardCommand key_cmd3 (cmd3);
+    FKeyboardCommand key_cmd4 (cmd4);
     keyboard->setPressCommand (key_cmd1);
     keyboard->setReleaseCommand (key_cmd2);
     keyboard->setEscPressedCommand (key_cmd3);
+    keyboard->setMouseTrackingCommand (key_cmd4);
+    // Set the keyboard keypress timeout
     keyboard->setKeypressTimeout (key_timeout);
   }
 
   // Initialize mouse control
   mouse = FTerm::getFMouseControl();
 
+  if ( mouse )
+  {
+    using namespace std::placeholders;
+    auto cmd = std::bind(&FApplication::mouseEvent, this, _1);
+    FMouseCommand mouse_cmd (cmd);
+    mouse->setEventCommand (mouse_cmd);
     // Set stdin number for a gpm-mouse
-  if ( mouse )
     mouse->setStdinNo (FTermios::getStdIn());
-
     // Set the default double click interval
-  if ( mouse )
     mouse->setDblclickInterval (dblclick_interval);
+  }
 
   // Initialize logging
   if ( ! getStartOptions().logfile_stream.is_open() )
@@ -484,13 +476,40 @@ void FApplication::setTerminalEncoding (const FString& enc_str)
 }
 
 //----------------------------------------------------------------------
-inline FApplication::CmdMap& FApplication::mapCmdOptions()
+inline void FApplication::setLongOptions (std::vector<CmdOption>& long_options)
+{
+  long_options =
+  {
+    {"encoding",                 required_argument, nullptr,  'e' },
+    {"log-file",                 required_argument, nullptr,  'l' },
+    {"no-mouse",                 no_argument,       nullptr,  'm' },
+    {"no-optimized-cursor",      no_argument,       nullptr,  'o' },
+    {"no-terminal-detection",    no_argument,       nullptr,  'd' },
+    {"no-terminal-data-request", no_argument,       nullptr,  'r' },
+    {"no-color-change",          no_argument,       nullptr,  'c' },
+    {"no-sgr-optimizer",         no_argument,       nullptr,  's' },
+    {"vgafont",                  no_argument,       nullptr,  'v' },
+    {"newfont",                  no_argument,       nullptr,  'n' },
+    {"dark-theme",               no_argument,       nullptr,  't' },
+
+  #if defined(__FreeBSD__) || defined(__DragonFly__)
+    {"no-esc-for-alt-meta",      no_argument,       nullptr,  'E' },
+    {"no-cursorstyle-change",    no_argument,       nullptr,  'C' },
+  #elif defined(__NetBSD__) || defined(__OpenBSD__)
+    {"no-esc-for-alt-meta",      no_argument,       nullptr,  'E' },
+  #endif
+
+    {nullptr,                    0,                 nullptr,  0   }
+  };
+}
+
+//----------------------------------------------------------------------
+inline void FApplication::setCmdOptionsMap (CmdMap& cmd_map)
 {
   using std::placeholders::_1;
   auto enc = std::bind(&FApplication::setTerminalEncoding, _1);
   auto log = std::bind(&FApplication::setLogFile, _1);
   auto opt = &FApplication::getStartOptions;
-  static CmdMap cmd_map{};
 
   // --encoding
   cmd_map['e'] = [enc] (const char* arg) { enc(FString(arg)); };
@@ -523,7 +542,6 @@ inline FApplication::CmdMap& FApplication::mapCmdOptions()
   // --no-esc-for-alt-meta
   cmd_map['E'] = [opt] (const char*) { opt().meta_sends_escape = false; };
 #endif
-  return cmd_map;
 }
 
 //----------------------------------------------------------------------
@@ -531,12 +549,15 @@ void FApplication::cmdOptions (const int& argc, char* argv[])
 {
   // Interpret the command line options
 
-  auto& cmd_map = mapCmdOptions();
+  CmdMap cmd_map{};
+  setCmdOptionsMap(cmd_map);
 
   while ( true )
   {
     opterr = 0;
     int idx{0};
+    std::vector<CmdOption> long_options{};
+    setLongOptions(long_options);
     auto p = reinterpret_cast<const struct option*>(long_options.data());
     const int opt = getopt_long (argc, argv, "", p, &idx);
 
@@ -649,9 +670,9 @@ inline void FApplication::findKeyboardWidget() const
 inline bool FApplication::isKeyPressed() const
 {
   if ( mouse && mouse->isGpmMouseEnabled() )
-    return mouse->getGpmKeyPressed(keyboard->unprocessedInput());
+    return mouse->getGpmKeyPressed(keyboard->hasUnprocessedInput());
 
-  return keyboard->isKeyPressed();
+  return (keyboard->isKeyPressed() || keyboard->hasPendingInput());
 }
 
 //----------------------------------------------------------------------
@@ -672,56 +693,76 @@ void FApplication::escapeKeyPressed() const
   sendEscapeKeyPressEvent();
 }
 
+//----------------------------------------------------------------------
+void FApplication::mouseTracking() const
+{
+  performMouseAction();
+}
+
 //----------------------------------------------------------------------
 inline void FApplication::performKeyboardAction()
 {
-  switch ( keyboard->getKey() )
+  if ( keyboard->getKey() == fc::Fckey_l )  // Ctrl-L (redraw the screen)
   {
-    case fc::Fckey_l:  // Ctrl-L (redraw the screen)
     redraw();
-      break;
-
-    case fc::Fkey_mouse:
-      if ( mouse )
-      {
-        FKeyboard::keybuffer& buffer = keyboard->getKeyBuffer();
-        mouse->setRawData (FMouse::x11, buffer);
-        keyboard->unprocessedInput() = mouse->isInputDataPending();
-        processMouseEvent();
   }
-      break;
+  else
-
-    case fc::Fkey_extended_mouse:
-      if ( mouse )
   {
-        FKeyboard::keybuffer& buffer = keyboard->getKeyBuffer();
-        mouse->setRawData (FMouse::sgr, buffer);
-        keyboard->unprocessedInput() = mouse->isInputDataPending();
-        processMouseEvent();
-      }
-      break;
-
-    case fc::Fkey_urxvt_mouse:
-      if ( mouse )
-      {
-        FKeyboard::keybuffer& buffer = keyboard->getKeyBuffer();
-        mouse->setRawData (FMouse::urxvt, buffer);
-        keyboard->unprocessedInput() = mouse->isInputDataPending();
-        processMouseEvent();
-      }
-      break;
-
-    default:
     const bool acceptKeyDown = sendKeyDownEvent (keyboard_widget);
     const bool acceptKeyPress = sendKeyPressEvent (keyboard_widget);
 
     if ( ! (acceptKeyDown || acceptKeyPress) )
       sendKeyboardAccelerator();
-
-      break;
   }
 }
 
+//----------------------------------------------------------------------
+inline void FApplication::performMouseAction() const
+{
+  if ( ! mouse )
+    return;
+
+  auto& buffer = keyboard->getKeyBuffer();
+
+  switch ( keyboard->getKey() )
+  {
+    case fc::Fkey_mouse:
+      mouse->setRawData (FMouse::x11, buffer);
+      break;
+
+    case fc::Fkey_extended_mouse:
+      mouse->setRawData (FMouse::sgr, buffer);
+      break;
+
+    case fc::Fkey_urxvt_mouse:
+      mouse->setRawData (FMouse::urxvt, buffer);
+      break;
+
+    default:
+      return;
+  }
+
+  keyboard->hasUnprocessedInput() = mouse->hasUnprocessedInput();
+  queuingMouseInput();
+}
+
+//----------------------------------------------------------------------
+void FApplication::mouseEvent (const FMouseData& md)
+{
+  determineClickedWidget (md);
+
+  if ( FWidget::getClickedWidget() )
+  {
+    unsetMoveSizeMode();
+    closeDropDown (md);
+    unselectMenubarItems (md);
+    sendMouseEvent (md);
+  }
+
+  if ( mouse )
+    mouse->drawGpmPointer();
+}
+
 //----------------------------------------------------------------------
 inline void FApplication::sendEscapeKeyPressEvent() const
 {
@@ -758,7 +799,7 @@ inline bool FApplication::sendKeyUpEvent (FWidget* widget) const
 }
 
 //----------------------------------------------------------------------
-inline void FApplication::sendKeyboardAccelerator() const
+inline void FApplication::sendKeyboardAccelerator()
 {
   if ( FWidget::getOpenMenu() )
     return;
@@ -772,27 +813,37 @@ inline void FApplication::sendKeyboardAccelerator() const
     auto window = static_cast<const FWidget*>(getActiveWindow());
 
     if ( window )
-      accpt = processAccelerator (window);
+      accpt = processAccelerator(*window);
   }
 
   // Global keyboard accelerator
   if ( ! accpt )
   {
-    auto root_widget = static_cast<const FWidget*>(getRootWidget());
+    auto root_widget = getRootWidget();
 
     if ( root_widget )
-      processAccelerator (root_widget);
+      processAccelerator(*root_widget);
   }
 }
 
 //----------------------------------------------------------------------
-void FApplication::processKeyboardEvent() const
+inline bool FApplication::hasDataInQueue() const
 {
-  if ( quit_now || app_exit_loop )
+  if ( keyboard && keyboard->hasDataInQueue() )
+    return true;
+  else if ( mouse && mouse->hasDataInQueue() )
+    return true;
+
+  return false;
+}
+
+//----------------------------------------------------------------------
+void FApplication::queuingKeyboardInput() const
+{
+  if ( quit_now || internal::var::exit_loop || ! keyboard )
     return;
 
   findKeyboardWidget();
-  flush();
   keyboard->escapeKeyHandling();  // special case: Esc key
   keyboard->clearKeyBufferOnTimeout();
 
@@ -800,6 +851,37 @@ void FApplication::processKeyboardEvent() const
     keyboard->fetchKeyCode();
 }
 
+//----------------------------------------------------------------------
+void FApplication::queuingMouseInput() const
+{
+  if ( quit_now || internal::var::exit_loop
+    || ! mouse || ! mouse->hasData() )
+    return;
+
+  struct timeval* time_keypressed = keyboard->getKeyPressedTime();
+  mouse->processEvent (time_keypressed);
+  keyboard->hasUnprocessedInput() = mouse->hasUnprocessedInput();
+  mouse->clearEvent();
+}
+
+//----------------------------------------------------------------------
+void FApplication::processKeyboardEvent() const
+{
+  if ( quit_now || internal::var::exit_loop || ! keyboard )
+    return;
+
+  keyboard->processQueuedInput();
+}
+
+//----------------------------------------------------------------------
+void FApplication::processMouseEvent() const
+{
+  if ( quit_now || internal::var::exit_loop || ! mouse )
+    return;
+
+  mouse->processQueuedInput();
+}
+
 //----------------------------------------------------------------------
 bool FApplication::processDialogSwitchAccelerator() const
 {
@@ -832,14 +914,12 @@ bool FApplication::processDialogSwitchAccelerator() const
 }
 
 //----------------------------------------------------------------------
-bool FApplication::processAccelerator (const FWidget* const& widget) const
+bool FApplication::processAccelerator (const FWidget& widget) const
 {
-  bool accpt{false};
+  if ( widget.getAcceleratorList().empty() )
+    return false;
 
-  if ( ! widget || widget->getAcceleratorList().empty() )
+  for (auto&& item : widget.getAcceleratorList())
-    return accpt;
-
-  for (auto&& item : widget->getAcceleratorList())
   {
     if ( item.key == keyboard->getKey() )
     {
@@ -854,50 +934,33 @@ bool FApplication::processAccelerator (const FWidget* const& widget) const
 
       FAccelEvent a_ev (fc::Accelerator_Event, getFocusWidget());
       sendEvent (item.object, &a_ev);
-      accpt = a_ev.isAccepted();
+      return a_ev.isAccepted();
+    }
+
+    if ( quit_now || internal::var::exit_loop )
       break;
   }
 
-    if ( quit_now || app_exit_loop )
+  return false;
-      break;
-  }
-
-  return accpt;
 }
 
 //----------------------------------------------------------------------
-bool FApplication::getMouseEvent() const
+void FApplication::determineClickedWidget (const FMouseData& md)
 {
-  bool mouse_event_occurred{false};
+  clicked_widget = FWidget::getClickedWidget();
 
-  if ( mouse && mouse->hasData() )
+  if ( clicked_widget )
-  {
+    return;  // The clicked widget was already found
-    struct timeval* time_keypressed = keyboard->getKeyPressedTime();
-    mouse->processEvent (time_keypressed);
-    keyboard->unprocessedInput() = mouse->isInputDataPending();
-    mouse_event_occurred = mouse->hasEvent();
-  }
 
-  return mouse_event_occurred;
+  if ( ! md.isLeftButtonPressed()
-}
+    && ! md.isLeftButtonDoubleClick()
+    && ! md.isRightButtonPressed()
+    && ! md.isMiddleButtonPressed()
+    && ! md.isWheelUp()
+    && ! md.isWheelDown() )
+    return;
 
-//----------------------------------------------------------------------
+  const auto& mouse_position = md.getPos();
-FWidget*& FApplication::determineClickedWidget()
-{
-  FWidget*& clicked = FWidget::getClickedWidget();
-
-  if ( clicked || ! mouse )
-    return clicked;
-
-  if ( ! mouse->isLeftButtonPressed()
-    && ! mouse->isLeftButtonDoubleClick()
-    && ! mouse->isRightButtonPressed()
-    && ! mouse->isMiddleButtonPressed()
-    && ! mouse->isWheelUp()
-    && ! mouse->isWheelDown() )
-    return clicked;
-
-  auto mouse_position = mouse->getPos();
 
   // Determine the window object on the current click position
   auto window = FWindow::getWindowWidgetAt (mouse_position);
@@ -905,12 +968,10 @@ FWidget*& FApplication::determineClickedWidget()
   if ( window )
   {
     // Determine the widget at the current click position
-    auto child = window->childWidgetAt (mouse_position);
+    auto child = window->childWidgetAt(mouse_position);
-    clicked = ( child != nullptr ) ? child : window;
+    clicked_widget = ( child != nullptr ) ? child : window;
-    setClickedWidget (clicked);
+    setClickedWidget (clicked_widget);
   }
-
-  return clicked;
 }
 
 //----------------------------------------------------------------------
@@ -918,43 +979,43 @@ void FApplication::unsetMoveSizeMode() const
 {
   // Unset the move/size mode
 
-  auto move_size = getMoveSizeWidget();
+  auto& move_size = getMoveSizeWidget();
 
   if ( move_size )
   {
-    auto w = move_size;
+    FWidget* w{nullptr};
-    setMoveSizeWidget(nullptr);
+    std::swap(w, move_size);  // Clear move_size_widget
     w->redraw();
   }
 }
 
 //----------------------------------------------------------------------
-void FApplication::closeDropDown() const
+void FApplication::closeDropDown (const FMouseData& md) const
 {
   // Close the open menu
 
-  if ( ! mouse || mouse->isMoved() )
+  if ( md.isMoved() )
     return;
 
-  auto mouse_position = mouse->getPos();
+  const auto& mouse_position = md.getPos();
   finalcut::closeDropDown (this, mouse_position);
 }
 
 //----------------------------------------------------------------------
-void FApplication::unselectMenubarItems() const
+void FApplication::unselectMenubarItems (const FMouseData& md) const
 {
   // Unselect the menu bar items
 
   const auto& openmenu = FWidget::getOpenMenu();
   auto menu_bar = FWidget::getMenuBar();
 
-  if ( openmenu || (mouse && mouse->isMoved()) )
+  if ( openmenu || md.isMoved() )
     return;
 
-  if ( ! (menu_bar && menu_bar->hasSelectedItem() && mouse) )
+  if ( ! (menu_bar && menu_bar->hasSelectedItem()) )
     return;
 
-  const auto& mouse_position = mouse->getPos();
+  const auto& mouse_position = md.getPos();
 
   if ( ! menu_bar->getTermGeometry().contains(mouse_position) )
   {
@@ -970,123 +1031,106 @@ void FApplication::unselectMenubarItems() const
 
     if ( FWidget::getStatusBar() )
       FWidget::getStatusBar()->drawMessage();
-
-    updateTerminal();
-    flush();
   }
 }
 
 //----------------------------------------------------------------------
-void FApplication::sendMouseEvent() const
+void FApplication::sendMouseEvent (const FMouseData& md) const
 {
-  auto clicked = FWidget::getClickedWidget();
+  const auto& mouse_position = md.getPos();
-
-  if ( ! (clicked && mouse) )
-    return;
-
-  const auto& mouse_position = mouse->getPos();
   int key_state{0};
 
-  if ( mouse->isShiftKeyPressed() )
+  if ( md.isShiftKeyPressed() )
     key_state |= fc::ShiftButton;
 
-  if ( mouse->isControlKeyPressed() )
+  if ( md.isControlKeyPressed() )
     key_state |= fc::ControlButton;
 
-  if ( mouse->isMetaKeyPressed() )
+  if ( md.isMetaKeyPressed() )
     key_state |= fc::MetaButton;
 
-  const auto& widgetMousePos = clicked->termToWidgetPos(mouse_position);
+  const auto& widgetMousePos = clicked_widget->termToWidgetPos(mouse_position);
 
-  if ( mouse->isMoved() )
+  if ( md.isMoved() )
   {
-    sendMouseMoveEvent (widgetMousePos, mouse_position, key_state);
+    sendMouseMoveEvent (md, widgetMousePos, mouse_position, key_state);
   }
   else
   {
-    sendMouseLeftClickEvent (widgetMousePos, mouse_position, key_state);
+    sendMouseLeftClickEvent (md, widgetMousePos, mouse_position, key_state);
-    sendMouseRightClickEvent (widgetMousePos, mouse_position, key_state);
+    sendMouseRightClickEvent (md, widgetMousePos, mouse_position, key_state);
-    sendMouseMiddleClickEvent (widgetMousePos, mouse_position, key_state);
+    sendMouseMiddleClickEvent (md, widgetMousePos, mouse_position, key_state);
   }
 
-  sendWheelEvent (widgetMousePos, mouse_position);
+  sendWheelEvent (md, widgetMousePos, mouse_position);
-  mouse->clearEvent();
 }
 
 //----------------------------------------------------------------------
-void FApplication::sendMouseMoveEvent ( const FPoint& widgetMousePos
+void FApplication::sendMouseMoveEvent ( const FMouseData& md
+                                      , const FPoint& widgetMousePos
                                       , const FPoint& mouse_position
                                       , int key_state ) const
 {
-  if ( ! mouse )
+  if ( md.isLeftButtonPressed() )
-    return;
-
-  auto clicked = FWidget::getClickedWidget();
-
-  if ( mouse->isLeftButtonPressed() )
   {
     FMouseEvent m_down_ev ( fc::MouseMove_Event
                           , widgetMousePos
                           , mouse_position
                           , fc::LeftButton | key_state );
-    sendEvent (clicked, &m_down_ev);
+    sendEvent (clicked_widget, &m_down_ev);
   }
 
-  if ( mouse->isRightButtonPressed() )
+  if ( md.isRightButtonPressed() )
   {
     FMouseEvent m_down_ev ( fc::MouseMove_Event
                           , widgetMousePos
                           , mouse_position
                           , fc::RightButton | key_state );
-    sendEvent (clicked, &m_down_ev);
+    sendEvent (clicked_widget, &m_down_ev);
   }
 
-  if ( mouse->isMiddleButtonPressed() )
+  if ( md.isMiddleButtonPressed() )
   {
     FMouseEvent m_down_ev ( fc::MouseMove_Event
                           , widgetMousePos
                           , mouse_position
                           , fc::MiddleButton | key_state );
-    sendEvent (clicked, &m_down_ev);
+    sendEvent (clicked_widget, &m_down_ev);
   }
 }
 
 //----------------------------------------------------------------------
-void FApplication::sendMouseLeftClickEvent ( const FPoint& widgetMousePos
+void FApplication::sendMouseLeftClickEvent ( const FMouseData& md
+                                           , const FPoint& widgetMousePos
                                            , const FPoint& mouse_position
                                            , int key_state ) const
 {
-  if ( ! mouse )
+  if ( md.isLeftButtonDoubleClick() )
-    return;
-
-  auto clicked = FWidget::getClickedWidget();
-
-  if ( mouse->isLeftButtonDoubleClick() )
   {
     FMouseEvent m_dblclick_ev ( fc::MouseDoubleClick_Event
                               , widgetMousePos
                               , mouse_position
                               , fc::LeftButton | key_state );
-    sendEvent (clicked, &m_dblclick_ev);
+    sendEvent (clicked_widget, &m_dblclick_ev);
   }
-  else if ( mouse->isLeftButtonPressed() )
+  else if ( md.isLeftButtonPressed() )
   {
     FMouseEvent m_down_ev ( fc::MouseDown_Event
                           , widgetMousePos
                           , mouse_position
                           , fc::LeftButton | key_state );
-    sendEvent (clicked, &m_down_ev);
+    sendEvent (clicked_widget, &m_down_ev);
   }
-  else if ( mouse->isLeftButtonReleased() )
+  else if ( md.isLeftButtonReleased() )
   {
     FMouseEvent m_up_ev ( fc::MouseUp_Event
                         , widgetMousePos
                         , mouse_position
                         , fc::LeftButton | key_state );
-    auto released_widget = clicked;
+    auto released_widget = clicked_widget;
 
-    if ( ! mouse->isRightButtonPressed()
+    if ( ! md.isRightButtonPressed()
-      && ! mouse->isMiddleButtonPressed() )
+      && ! md.isMiddleButtonPressed() )
       setClickedWidget(nullptr);
 
     sendEvent (released_widget, &m_up_ev);
@@ -1094,33 +1138,29 @@ void FApplication::sendMouseLeftClickEvent ( const FPoint& widgetMousePos
 }
 
 //----------------------------------------------------------------------
-void FApplication::sendMouseRightClickEvent ( const FPoint& widgetMousePos
+void FApplication::sendMouseRightClickEvent ( const FMouseData& md
+                                            , const FPoint& widgetMousePos
                                             , const FPoint& mouse_position
                                             , int key_state ) const
 {
-  if ( ! mouse )
+  if ( md.isRightButtonPressed() )
-    return;
-
-  auto clicked = FWidget::getClickedWidget();
-
-  if ( mouse->isRightButtonPressed() )
   {
     FMouseEvent m_down_ev ( fc::MouseDown_Event
                           , widgetMousePos
                           , mouse_position
                           , fc::RightButton | key_state );
-    sendEvent (clicked, &m_down_ev);
+    sendEvent (clicked_widget, &m_down_ev);
   }
-  else if ( mouse->isRightButtonReleased() )
+  else if ( md.isRightButtonReleased() )
   {
     FMouseEvent m_up_ev ( fc::MouseUp_Event
                         , widgetMousePos
                         , mouse_position
                         , fc::RightButton | key_state );
-    auto released_widget = clicked;
+    auto released_widget = clicked_widget;
 
-    if ( ! mouse->isLeftButtonPressed()
+    if ( ! md.isLeftButtonPressed()
-      && ! mouse->isMiddleButtonPressed() )
+      && ! md.isMiddleButtonPressed() )
       setClickedWidget(nullptr);
 
     sendEvent (released_widget, &m_up_ev);
@@ -1128,37 +1168,33 @@ void FApplication::sendMouseRightClickEvent ( const FPoint& widgetMousePos
 }
 
 //----------------------------------------------------------------------
-void FApplication::sendMouseMiddleClickEvent ( const FPoint& widgetMousePos
+void FApplication::sendMouseMiddleClickEvent ( const FMouseData& md
+                                             , const FPoint& widgetMousePos
                                              , const FPoint& mouse_position
                                              , int key_state ) const
 {
-  if ( ! mouse )
+  if ( md.isMiddleButtonPressed() )
-    return;
-
-  auto clicked = FWidget::getClickedWidget();
-
-  if ( mouse->isMiddleButtonPressed() )
   {
     FMouseEvent m_down_ev ( fc::MouseDown_Event
                           , widgetMousePos
                           , mouse_position
                           , fc::MiddleButton | key_state );
-    sendEvent (clicked, &m_down_ev);
+    sendEvent (clicked_widget, &m_down_ev);
 
     // gnome-terminal sends no released on middle click
     if ( FTerm::isGnomeTerminal() )
       setClickedWidget(nullptr);
   }
-  else if ( mouse->isMiddleButtonReleased() )
+  else if ( md.isMiddleButtonReleased() )
   {
     FMouseEvent m_up_ev ( fc::MouseUp_Event
                         , widgetMousePos
                         , mouse_position
                         , fc::MiddleButton | key_state );
-    auto released_widget = clicked;
+    auto released_widget = clicked_widget;
 
-    if ( ! mouse->isLeftButtonPressed()
+    if ( ! md.isLeftButtonPressed()
-      && ! mouse->isRightButtonPressed() )
+      && ! md.isRightButtonPressed() )
     {
       setClickedWidget(nullptr);
     }
@@ -1168,37 +1204,50 @@ void FApplication::sendMouseMiddleClickEvent ( const FPoint& widgetMousePos
 }
 
 //----------------------------------------------------------------------
-void FApplication::sendWheelEvent ( const FPoint& widgetMousePos
+void FApplication::sendWheelEvent ( const FMouseData& md
+                                  , const FPoint& widgetMousePos
                                   , const FPoint& mouse_position ) const
 {
-  if ( ! mouse )
+  if ( md.isWheelUp() )
-    return;
-
-  auto clicked = FWidget::getClickedWidget();
-
-  if ( mouse->isWheelUp() )
   {
     FWheelEvent wheel_ev ( fc::MouseWheel_Event
                          , widgetMousePos
                          , mouse_position
                          , fc::WheelUp );
-    auto scroll_over_widget = clicked;
+    auto scroll_over_widget = clicked_widget;
     setClickedWidget(nullptr);
     sendEvent(scroll_over_widget, &wheel_ev);
   }
 
-  if ( mouse->isWheelDown() )
+  if ( md.isWheelDown() )
   {
     FWheelEvent wheel_ev ( fc::MouseWheel_Event
                          , widgetMousePos
                          , mouse_position
                          , fc::WheelDown );
-    auto scroll_over_widget = clicked;
+    auto scroll_over_widget = clicked_widget;
     setClickedWidget(nullptr);
     sendEvent (scroll_over_widget, &wheel_ev);
   }
 }
 
+//----------------------------------------------------------------------
+inline void FApplication::flushTerminal()
+{
+  if ( ! pending_updates )
+    return;
+
+  if ( flush_count < 4 )
+  {
+    flush_count++;
+    return;
+  }
+
+  flush();
+  flush_count = 0;
+  pending_updates = false;
+}
+
 //----------------------------------------------------------------------
 FWidget* FApplication::processParameters (const int& argc, char* argv[])
 {
@@ -1213,22 +1262,6 @@ FWidget* FApplication::processParameters (const int& argc, char* argv[])
   return nullptr;
 }
 
-//----------------------------------------------------------------------
-void FApplication::processMouseEvent()
-{
-  if ( ! getMouseEvent() )
-    return;
-
-  determineClickedWidget();
-  unsetMoveSizeMode();
-  closeDropDown();
-  unselectMenubarItems();
-  sendMouseEvent();
-
-  if ( mouse )
-    mouse->drawGpmPointer();
-}
-
 //----------------------------------------------------------------------
 void FApplication::processResizeEvent() const
 {
@@ -1242,7 +1275,7 @@ void FApplication::processResizeEvent() const
   }
 
   FResizeEvent r_ev(fc::Resize_Event);
-  sendEvent(app_object, &r_ev);
+  sendEvent(internal::var::app_object, &r_ev);
 
   if ( r_ev.isAccepted() )
     FTerm::changeTermSizeFinished();
@@ -1286,16 +1319,21 @@ bool FApplication::processNextEvent()
   uInt num_events{0};
   bool is_timeout = isNextEventTimeout();
 
-  if ( is_timeout )
+  if ( is_timeout || hasDataInQueue() )
   {
     FObject::getCurrentTime (&time_last_event);
+    queuingKeyboardInput();
+    queuingMouseInput();
     processKeyboardEvent();
     processMouseEvent();
     processResizeEvent();
-    processTerminalUpdate();
     processCloseWidget();
+
+    if ( processTerminalUpdate() )  // after terminal changes
+      pending_updates = true;
+
+    flushTerminal();
     processLogger();
-    updateTerminal();
   }
 
   processExternalUserEvent();
@@ -1318,13 +1356,13 @@ void FApplication::performTimerAction (FObject* receiver, FEvent* event)
 }
 
 //----------------------------------------------------------------------
-bool FApplication::isEventProcessable ( const FObject* receiver
+bool FApplication::isEventProcessable ( FObject* receiver
                                       , const FEvent* event )
 {
   if ( ! receiver->isWidget() )  // No restrictions for non-widgets
     return true;
 
-  const auto widget = static_cast<const FWidget*>(receiver);
+  auto widget = static_cast<FWidget*>(receiver);
 
   if ( getModalDialogCounter() > 0 )
   {

src/fbusyindicator.cpp

@@ -50,8 +50,6 @@ void FBusyIndicator::start()
   running = true;
   createIndicatorText();
   show();
-  updateTerminal();
-  flush();
   addTimer(TIMER);
 }
 
@@ -61,8 +59,6 @@ void FBusyIndicator::stop()
   delOwnTimers();
   running = false;
   hide();
-  updateTerminal();
-  flush();
 }
 
 
@@ -119,8 +115,6 @@ void FBusyIndicator::onTimer (finalcut::FTimerEvent*)
   // Redraw the rotated pattern
   createIndicatorText();
   redraw();
-  updateTerminal();
-  flush();
 }
 
 }  // namespace finalcut

src/fbutton.cpp

@@ -443,7 +443,7 @@ inline std::size_t FButton::clickAnimationIndent (const FWidget* parent_widget)
     setColor ( parent_widget->getForegroundColor()
              , parent_widget->getBackgroundColor() );
 
-  for (int y{1}; y <= int(getHeight()); y++)
+  for (auto y{1}; y <= int(getHeight()); y++)
   {
     print() << FPoint{1, y} << ' ';  // clear one left █
   }
@@ -462,7 +462,7 @@ inline void FButton::clearRightMargin (const FWidget* parent_widget)
     setColor ( parent_widget->getForegroundColor()
              , parent_widget->getBackgroundColor() );
 
-  for (int y{1}; y <= int(getHeight()); y++)
+  for (auto y{1}; y <= int(getHeight()); y++)
   {
     if ( FTerm::isMonochron() )
       setReverse(true);  // Light background

src/fbuttongroup.cpp

@@ -210,7 +210,7 @@ void FButtonGroup::hide()
   // Hide border
   unsetViewportPrint();
 
-  for (int y{0}; y < int(getHeight()); y++)
+  for (auto y{0}; y < int(getHeight()); y++)
     print() << FPoint{1, 1 + y} << FString{size, L' '};
 
   setViewportPrint();
@@ -331,8 +331,6 @@ void FButtonGroup::onFocusIn (FFocusEvent* in_ev)
   if ( getStatusBar() )
   {
     getStatusBar()->drawMessage();
-    updateTerminal();
-    flush();
   }
 }
 
@@ -476,20 +474,15 @@ bool FButtonGroup::directFocusRadioButton() const
   if ( ! hasCheckedButton() || buttonlist.empty() )
     return false;
 
-  bool found_checked{false};
-
   for (auto&& item : buttonlist)
   {
     auto toggle_button = static_cast<FToggleButton*>(item);
 
     if ( toggle_button->isChecked() )
-    {
+      return directFocusCheckedRadioButton (toggle_button);
-      found_checked = directFocusCheckedRadioButton(toggle_button);
-      break;
-    }
   }
 
-  return found_checked;
+  return false;
 }
 
 //----------------------------------------------------------------------
@@ -512,8 +505,6 @@ void FButtonGroup::directFocus()
   if ( getStatusBar() )
   {
     getStatusBar()->drawMessage();
-    updateTerminal();
-    flush();
   }
 }
 

src/fcombobox.cpp

@@ -102,8 +102,6 @@ void FDropDownListBox::hide()
   setOpenMenu(nullptr);
   const auto& t_geometry = getTermGeometryWithShadow();
   restoreVTerm (t_geometry);
-  updateTerminal();
-  flush();
 }
 
 
@@ -428,8 +426,6 @@ void FComboBox::onMouseDown (FMouseEvent* ev)
     else
       list_window.hide();
   }
-
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------
@@ -440,7 +436,7 @@ void FComboBox::onMouseMove (FMouseEvent* ev)
 
   if ( isMouseOverListWindow(ev->getTermPos()) )
   {
-    passEventToListWindow(ev);  // Event handover to window list
+    passEventToListWindow(*ev);  // Event handover to window list
     return;
   }
 }
@@ -594,13 +590,13 @@ void FComboBox::onePosDown()
 }
 
 //----------------------------------------------------------------------
-void FComboBox::passEventToListWindow (FMouseEvent* const& ev)
+void FComboBox::passEventToListWindow (const FMouseEvent& ev)
 {
   // Mouse event handover to list window
 
-  const auto& t = ev->getTermPos();
+  const auto& t = ev.getTermPos();
   const auto& p = list_window.list.termToWidgetPos(t);
-  const int b = ev->getButton();
+  const int b = ev.getButton();
 
   try
   {

src/fdialog.cpp

@@ -270,7 +270,9 @@ void FDialog::setPos (const FPoint& pos, bool)
   restoreOverlaidWindows();
   FWindow::adjustSize();
   setCursorToFocusWidget();
-  updateTerminal();
+
+  if ( updateTerminal() )
+    flush();
 }
 
 //----------------------------------------------------------------------
@@ -447,8 +449,6 @@ void FDialog::activateDialog()
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------
@@ -530,8 +530,7 @@ void FDialog::onMouseDown (FMouseEvent* ev)
   else  // ev->getButton() != fc::LeftButton
   {
     // Click on titlebar menu button
-    if ( ms.mouse_x < 4 && ms.mouse_y == 1
+    if ( ms.mouse_x < 4 && ms.mouse_y == 1 && dialog_menu->isShown() )
-      && dialog_menu->isShown() )
       leaveMenu();  // close menu
 
     cancelMouseResize();  // Cancel resize
@@ -624,7 +623,7 @@ void FDialog::onMouseMove (FMouseEvent* ev)
 
   // Mouse event handover to the menu
   if ( ms.mouse_over_menu )
-    passEventToSubMenu (ms, ev);
+    passEventToSubMenu (ms, std::move(*ev));
 
   leaveZoomButton(ms);    // Check zoom button pressed
   resizeMouseUpMove(ms);  // Resize the dialog
@@ -690,8 +689,6 @@ void FDialog::onAccel (FAccelEvent*)
 
     if ( has_raised )
       redraw();
-
-    updateTerminal();
   }
 }
 
@@ -717,8 +714,6 @@ void FDialog::onWindowActive (FEvent*)
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------
@@ -967,7 +962,7 @@ void FDialog::drawBorder()
   {
     const FRect r{FPoint{1, 1}, getSize()};
 
-    for (int y = r.getY1() + 1; y < r.getY2(); y++)
+    for (auto y = r.getY1() + 1; y < r.getY2(); y++)
     {
       print() << FPoint{r.getX1(), y}
               << fc::NF_border_line_left        // border left ⎸
@@ -1227,9 +1222,6 @@ void FDialog::leaveMenu()
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------
@@ -1273,9 +1265,6 @@ void FDialog::selectFirstMenuItem()
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------
@@ -1372,7 +1361,7 @@ inline bool FDialog::isMouseOverMenu (const FPoint& termpos) const
 
 //----------------------------------------------------------------------
 inline void FDialog::passEventToSubMenu ( const MouseStates& ms
-                                        , const FMouseEvent* ev )
+                                        , const FMouseEvent&& ev )
 {
   // Mouse event handover to the dialog menu
   if ( ! ms.mouse_over_menu
@@ -1381,7 +1370,7 @@ inline void FDialog::passEventToSubMenu ( const MouseStates& ms
 
   const auto& g = ms.termPos;
   const auto& p = dialog_menu->termToWidgetPos(g);
-  const int b = ev->getButton();
+  const int b = ev.getButton();
 
   try
   {
@@ -1480,12 +1469,10 @@ inline void FDialog::raiseActivateDialog()
 //----------------------------------------------------------------------
 inline void FDialog::lowerActivateDialog()
 {
-  const bool has_lowered = lowerWindow();
+  lowerWindow();
 
   if ( ! isWindowActive() )
     activateDialog();
-  else if ( has_lowered )
-    updateTerminal();
 }
 
 //----------------------------------------------------------------------
@@ -1624,7 +1611,6 @@ void FDialog::cancelMouseResize()
 
   resize_click_pos.setPoint (0, 0);
   drawBorder();
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------

src/ffiledialog.cpp

@@ -179,7 +179,7 @@ FString FFileDialog::getSelectedFile() const
 //----------------------------------------------------------------------
 void FFileDialog::setPath (const FString& dir)
 {
-  const char* const dirname = dir.c_str();
+  const auto& dirname = dir.c_str();
   std::array<char, MAXPATHLEN> resolved_path{};
   FString r_dir{};
   struct stat sb{};
@@ -491,7 +491,7 @@ void FFileDialog::sortDir()
 //----------------------------------------------------------------------
 int FFileDialog::readDir()
 {
-  const char* const dir = directory.c_str();
+  const auto& dir = directory.c_str();
   directory_stream = opendir(dir);
 
   if ( ! directory_stream )
@@ -555,7 +555,7 @@ int FFileDialog::readDir()
 //----------------------------------------------------------------------
 void FFileDialog::getEntry (const char* const dir, const struct dirent* d_entry)
 {
-  const char* const filter = filter_pattern.c_str();
+  const auto& filter = filter_pattern.c_str();
   FDirEntry entry{};
 
   entry.name = d_entry->d_name;
@@ -790,7 +790,7 @@ void FFileDialog::cb_processActivate()
                               return ! entry.name.empty()
                                   && input
                                   && ! input.isNull()
-                                  && std::strcmp(entry.name.c_str(), input) == 0
+                                  && std::strcmp(entry.name.c_str(), input.c_str()) == 0
                                   && entry.directory;
                             }
                           );

src/fkeyboard.cpp

@@ -21,8 +21,11 @@
 ***********************************************************************/
 
 #include <fcntl.h>
+#include <sys/ioctl.h>
 
-#if defined(__CYGWIN__)
+#if defined(__sun) && defined(__SVR4)
+  #include <sys/filio.h>   // need for FIONREAD
+#elif defined(__CYGWIN__)
   #include <sys/select.h>  // need for FD_ZERO, FD_SET, FD_CLR, ...
 #endif
 
@@ -30,10 +33,12 @@
 #include <array>
 #include <string>
 
+#include "final/fapplication.h"
 #include "final/fkeyboard.h"
 #include "final/fkey_map.h"
 #include "final/fobject.h"
 #include "final/fterm.h"
+#include "final/ftermdetection.h"
 #include "final/ftermios.h"
 
 #if defined(__linux__)
@@ -44,11 +49,11 @@ namespace finalcut
 {
 
 // static class attributes
-uInt64 FKeyboard::read_blocking_time{100000};  // preset to 100 ms / 10 Hz
+uInt64 FKeyboard::key_timeout{100000};             // 100 ms  (10 Hz)
-uInt64 FKeyboard::key_timeout{100000};         // preset to 100 ms / 10 Hz
+uInt64 FKeyboard::read_blocking_time{100000};      // 100 ms  (10 Hz)
-uInt64 FKeyboard::interval_timeout{75000};     // preset to 75 ms / 13.3 Hz
+uInt64 FKeyboard::read_blocking_time_short{5000};  //   5 ms (200 Hz)
+bool   FKeyboard::non_blocking_input_support{true};
 struct timeval FKeyboard::time_keypressed{};
-struct timeval FKeyboard::time_last_request{};
 
 #if defined(__linux__)
   FTermLinux* FKeyboard::linux{nullptr};
@@ -66,14 +71,14 @@ FKeyboard::FKeyboard()
   // Initialize keyboard values
   time_keypressed.tv_sec = 0;
   time_keypressed.tv_usec = 0;
-  time_last_request.tv_sec = 0;
-  time_last_request.tv_usec = 0;
 
   // Get the stdin file status flags
   stdin_status_flags = fcntl(FTermios::getStdIn(), F_GETFL);
 
   if ( stdin_status_flags == -1 )
     std::abort();
+
+  term_detection = FTerm::getFTermDetection();
 }
 
 //----------------------------------------------------------------------
@@ -84,6 +89,7 @@ FKeyboard::~FKeyboard()  // destructor
 //----------------------------------------------------------------------
 void FKeyboard::fetchKeyCode()
 {
+  if ( fkey_queue.size() < MAX_QUEUE_SIZE )
     parseKeyBuffer();
 }
 
@@ -142,15 +148,15 @@ void FKeyboard::init()
 }
 
 //----------------------------------------------------------------------
-bool& FKeyboard::unprocessedInput()
+bool& FKeyboard::hasUnprocessedInput()
 {
-  return input_data_pending;
+  return unprocessed_buffer_data;
 }
 
 //----------------------------------------------------------------------
-bool FKeyboard::isKeyPressed() const
+bool FKeyboard::isKeyPressed (uInt64 blocking_time)
 {
-  if ( ! isIntervalTimeout() )
+  if ( has_pending_input )
     return false;
 
   fd_set ifds{};
@@ -159,15 +165,31 @@ bool FKeyboard::isKeyPressed() const
 
   FD_ZERO(&ifds);
   FD_SET(stdin_no, &ifds);
-  tv.tv_sec  = 0;
+  tv.tv_sec = tv.tv_usec = 0;  // Non-blocking input
-  tv.tv_usec = suseconds_t(read_blocking_time);  // preset to 100 ms
-  FObject::getCurrentTime (&time_last_request);
-  const int result = select (stdin_no + 1, &ifds, nullptr, nullptr, &tv);
 
-  if ( result > 0 && FD_ISSET(stdin_no, &ifds) )
+  if ( blocking_time > 0
+     && non_blocking_input_support
+     && select(stdin_no + 1, &ifds, nullptr, nullptr, &tv) > 0
+     && FD_ISSET(stdin_no, &ifds) )
+  {
+    has_pending_input = true;
     FD_CLR (stdin_no, &ifds);
+    tv.tv_sec = 0;
+  }
 
-  return ( result > 0 );
+  if ( isKeypressTimeout() || ! non_blocking_input_support )
+    tv.tv_usec = suseconds_t(blocking_time);
+  else
+    tv.tv_usec = suseconds_t(read_blocking_time_short);
+
+  if ( ! has_pending_input
+    && select(stdin_no + 1, &ifds, nullptr, nullptr, &tv) > 0
+    && FD_ISSET(stdin_no, &ifds) )
+  {
+    has_pending_input = true;
+  }
+
+  return has_pending_input;
 }
 
 //----------------------------------------------------------------------
@@ -176,6 +198,7 @@ void FKeyboard::clearKeyBuffer()
   // Empty the buffer
 
   fifo_offset = 0;
+  fkey = 0;
   key = 0;
   std::fill_n (fifo_buf, FIFO_BUF_SIZE, '\0');
   fifo_in_use = false;
@@ -205,7 +228,7 @@ void FKeyboard::escapeKeyHandling()
     fifo_offset = 0;
     fifo_buf[0] = 0x00;
     fifo_in_use = false;
-    input_data_pending = false;
+    unprocessed_buffer_data = false;
     escapeKeyPressed();
   }
 
@@ -213,6 +236,30 @@ void FKeyboard::escapeKeyHandling()
   substringKeyHandling();
 }
 
+//----------------------------------------------------------------------
+void FKeyboard::processQueuedInput()
+{
+  while ( ! fkey_queue.empty() )
+  {
+    key = fkey_queue.front();
+    fkey_queue.pop();
+
+    if ( key > 0 )
+    {
+      keyPressed();
+
+      if ( FApplication::isQuit() )
+        return;
+
+      keyReleased();
+
+      if ( FApplication::isQuit() )
+        return;
+
+      key = 0;
+    }
+  }
+}
 
 // private methods of FKeyboard
 //----------------------------------------------------------------------
@@ -268,7 +315,7 @@ inline FKey FKeyboard::getTermcapKey()
       for (n = n - len; n < FIFO_BUF_SIZE; n++)  // Fill rest with '\0'
         fifo_buf[n] = '\0';
 
-      input_data_pending = bool(fifo_buf[0] != '\0');
+      unprocessed_buffer_data = bool(fifo_buf[0] != '\0');
       return entry.num;
     }
   }
@@ -307,7 +354,7 @@ inline FKey FKeyboard::getMetaKey()
       for (n = n - len; n < FIFO_BUF_SIZE; n++)  // Fill rest with '\0'
         fifo_buf[n] = '\0';
 
-      input_data_pending = bool(fifo_buf[0] != '\0');
+      unprocessed_buffer_data = bool(fifo_buf[0] != '\0');
       return entry.num;
     }
   }
@@ -355,7 +402,7 @@ inline FKey FKeyboard::getSingleKey()
   for (n = n - len; n < FIFO_BUF_SIZE; n++)  // Fill the rest with '\0' bytes
     fifo_buf[n] = '\0';
 
-  input_data_pending = bool(fifo_buf[0] != '\0');
+  unprocessed_buffer_data = bool(fifo_buf[0] != '\0');
 
   if ( keycode == 0 )  // Ctrl+Space or Ctrl+@
     keycode = fc::Fckey_space;
@@ -369,12 +416,6 @@ inline bool FKeyboard::isKeypressTimeout()
   return FObject::isTimeout (&time_keypressed, key_timeout);
 }
 
-//----------------------------------------------------------------------
-inline bool FKeyboard::isIntervalTimeout()
-{
-  return FObject::isTimeout (&time_last_request, interval_timeout);
-}
-
 //----------------------------------------------------------------------
 FKey FKeyboard::UTF8decode (const char utf8[]) const
 {
@@ -427,6 +468,13 @@ FKey FKeyboard::UTF8decode (const char utf8[]) const
 //----------------------------------------------------------------------
 inline ssize_t FKeyboard::readKey()
 {
+#if !defined(__CYGWIN__)
+  int len{0};
+
+  if ( ioctl(FTermios::getStdIn(), FIONREAD, &len) < 0 || len == 0 )
+    return 0;
+#endif
+
   setNonBlockingInput();
   const ssize_t bytes = read(FTermios::getStdIn(), &read_character, 1);
   unsetNonBlockingInput();
@@ -441,9 +489,11 @@ void FKeyboard::parseKeyBuffer()
 
   while ( (bytesread = readKey()) > 0 )
   {
+    has_pending_input = false;
+
     if ( bytesread + fifo_offset <= int(FIFO_BUF_SIZE) )
     {
-      fifo_buf[fifo_offset] = char(read_character);
+      fifo_buf[fifo_offset] = read_character;
       fifo_offset++;
       fifo_in_use = true;
     }
@@ -451,30 +501,33 @@ void FKeyboard::parseKeyBuffer()
     // Read the rest from the fifo buffer
     while ( ! isKeypressTimeout()
          && fifo_offset > 0
-         && key != fc::Fkey_incomplete )
+         && fkey != fc::Fkey_incomplete )
     {
-      key = parseKeyString();
+      fkey = parseKeyString();
-      key = keyCorrection(key);
+      fkey = keyCorrection(fkey);
-
-      if ( key != fc::Fkey_incomplete )
-        keyPressed();
 
+      if ( fkey == fc::Fkey_mouse
+        || fkey == fc::Fkey_extended_mouse
+        || fkey == fc::Fkey_urxvt_mouse )
+      {
+        key = fkey;
+        mouseTracking();
         fifo_offset = int(std::strlen(fifo_buf));
-
-      if ( key == fc::Fkey_mouse
-        || key == fc::Fkey_extended_mouse
-        || key == fc::Fkey_urxvt_mouse )
         break;
       }
 
-    // Send key up event
+      if ( fkey != fc::Fkey_incomplete )
-    if ( key > 0 )
+      {
-      keyReleased();
+        fkey_queue.push(fkey);
-
+        fifo_offset = int(std::strlen(fifo_buf));
-    key = 0;
+      }
     }
 
-  read_character = 0;
+    fkey = 0;
+
+    if ( fkey_queue.size() >= MAX_QUEUE_SIZE )
+      break;
+  }
 }
 
 //----------------------------------------------------------------------
@@ -512,7 +565,7 @@ FKey FKeyboard::keyCorrection (const FKey& keycode) const
   FKey key_correction;
 
 #if defined(__linux__)
-  if ( linux )
+  if ( linux && FTerm::isLinuxTerm() )
     key_correction = linux->modifierKeyCorrection(keycode);
   else
     key_correction = keycode;
@@ -539,17 +592,16 @@ void FKeyboard::substringKeyHandling()
     fifo_offset = 0;
     fifo_buf[0] = 0x00;
     fifo_in_use = false;
-    input_data_pending = false;
+    unprocessed_buffer_data = false;
 
     if ( fifo_buf[1] == 'O' )
-      key = fc::Fmkey_O;
+      fkey = fc::Fmkey_O;
     else if ( fifo_buf[1] == '[' )
-      key = fc::Fmkey_left_square_bracket;
+      fkey = fc::Fmkey_left_square_bracket;
     else
-      key = fc::Fmkey_right_square_bracket;
+      fkey = fc::Fmkey_right_square_bracket;
 
-    keyPressed();
+    fkey_queue.push(fkey);
-    keyReleased();
   }
 }
 
@@ -571,4 +623,10 @@ void FKeyboard::escapeKeyPressed() const
   escape_key_cmd.execute();
 }
 
+//----------------------------------------------------------------------
+void FKeyboard::mouseTracking() const
+{
+  mouse_tracking_cmd.execute();
+}
+
 }  // namespace finalcut

src/flabel.cpp

@@ -205,11 +205,7 @@ void FLabel::onMouseDown (FMouseEvent* ev)
     accel_widget->redraw();
 
     if ( getStatusBar() )
-    {
       accel_widget->getStatusBar()->drawMessage();
-      updateTerminal();
-      flush();
-    }
   }
 }
 
@@ -232,11 +228,7 @@ void FLabel::onAccel (FAccelEvent* ev)
       FApplication::sendEvent(accel_widget, &in);
 
       if ( getStatusBar() )
-      {
         accel_widget->getStatusBar()->drawMessage();
-        updateTerminal();
-        flush();
-      }
     }
   }
 

src/flineedit.cpp

@@ -357,7 +357,9 @@ void FLineEdit::onKeyPress (FKeyEvent* ev)
     && key != fc::Fkey_enter )
   {
     drawInputField();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
+      flush();
   }
 }
 
@@ -397,7 +399,9 @@ void FLineEdit::onMouseDown (FMouseEvent* ev)
       adjustTextOffset();
 
     drawInputField();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
+      flush();
   }
 }
 
@@ -431,7 +435,9 @@ void FLineEdit::onMouseMove (FMouseEvent* ev)
 
     adjustTextOffset();
     drawInputField();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
+      flush();
   }
 
   // auto-scrolling when dragging mouse outside the widget
@@ -534,7 +540,9 @@ void FLineEdit::onTimer (FTimerEvent*)
 
   adjustTextOffset();
   drawInputField();
-  updateTerminal();
+
+  if ( processTerminalUpdate() )
+    flush();
 }
 
 //----------------------------------------------------------------------
@@ -554,11 +562,7 @@ void FLineEdit::onAccel (FAccelEvent* ev)
       redraw();
 
       if ( getStatusBar() )
-      {
         getStatusBar()->drawMessage();
-        updateTerminal();
-        flush();
-      }
     }
   }
 
@@ -584,11 +588,7 @@ void FLineEdit::onFocusIn (FFocusEvent*)
   }
 
   if ( getStatusBar() )
-  {
     getStatusBar()->drawMessage();
-    updateTerminal();
-    flush();
-  }
 }
 
 //----------------------------------------------------------------------

src/flistbox.cpp

@@ -280,7 +280,7 @@ void FListBox::clear()
   if ( size == 0 )
     return;
 
-  for (int y{0}; y < int(getHeight()) - 2; y++)
+  for (auto y{0}; y < int(getHeight()) - 2; y++)
   {
     print() << FPoint{2, 2 + y} << FString{size, L' '};
   }
@@ -352,7 +352,7 @@ void FListBox::onMouseDown (FMouseEvent* ev)
     if ( yoffset_before != yoffset )
       vbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 }
@@ -426,7 +426,7 @@ void FListBox::onMouseMove (FMouseEvent* ev)
     if ( yoffset_before != yoffset )
       vbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 
@@ -504,7 +504,7 @@ void FListBox::onTimer (FTimerEvent*)
   if ( yoffset_before != yoffset )
     vbar->drawBar();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -547,7 +547,7 @@ void FListBox::onWheel (FWheelEvent* ev)
   if ( yoffset_before != yoffset )
     vbar->drawBar();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -727,7 +727,7 @@ void FListBox::draw()
   {
     setColor();
 
-    for (int y{2}; y < int(getHeight()); y++)
+    for (auto y{2}; y < int(getHeight()); y++)
     {
       print() << FPoint{int(getWidth()) - 1, y}
               << ' ';  // clear right side of the scrollbar
@@ -1082,7 +1082,7 @@ inline void FListBox::updateDrawing (bool draw_vbar, bool draw_hbar)
   if ( draw_hbar )
     hbar->drawBar();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -1803,7 +1803,7 @@ void FListBox::cb_vbarChange (const FWidget*)
     if ( yoffset_before != yoffset )
       vbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 }
@@ -1862,11 +1862,8 @@ void FListBox::cb_hbarChange (const FWidget*)
     inc_search.clear();
 
   if ( isShown() )
-  {
     drawList();
-    updateTerminal();
+
-    flush();
-  }
 
   if ( scrollType >= FScrollbar::scrollStepBackward )
   {
@@ -1875,7 +1872,7 @@ void FListBox::cb_hbarChange (const FWidget*)
     if ( xoffset_before != xoffset )
       hbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 }

src/flistview.cpp

@@ -1116,7 +1116,7 @@ void FListView::onMouseDown (FMouseEvent* ev)
       if ( first_line_position_before != first_visible_line.getPosition() )
         vbar->drawBar();
 
-      updateTerminal();
+      if ( processTerminalUpdate() )
         flush();
     }
   }
@@ -1221,7 +1221,7 @@ void FListView::onMouseMove (FMouseEvent* ev)
     if ( first_line_position_before != first_visible_line.getPosition() )
       vbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 
@@ -1308,7 +1308,7 @@ void FListView::onTimer (FTimerEvent*)
   if ( first_line_position_before != first_visible_line.getPosition() )
     vbar->drawBar();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -1347,7 +1347,7 @@ void FListView::onWheel (FWheelEvent* ev)
   if ( first_line_position_before != first_visible_line.getPosition() )
     vbar->drawBar();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -1604,7 +1604,7 @@ void FListView::draw()
   {
     setColor();
 
-    for (int y{2}; y < int(getHeight()); y++)
+    for (auto y{2}; y < int(getHeight()); y++)
     {
       print() << FPoint{int(getWidth()) - 1, y}
               << ' ';  // clear right side of the scrollbar
@@ -1841,7 +1841,7 @@ void FListView::clearList()
   if ( size == 0 )
     return;
 
-  for (int y{0}; y < int(getHeight()) - 2; y++)
+  for (auto y{0}; y < int(getHeight()) - 2; y++)
   {
     print() << FPoint{2, 2 + y} << FString{size, L' '};
   }
@@ -2152,7 +2152,7 @@ void FListView::updateDrawing (bool draw_vbar, bool draw_hbar)
   if ( draw_hbar )
     hbar->drawBar();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -2849,11 +2849,8 @@ void FListView::cb_vbarChange (const FWidget*)
       break;
 
     case FScrollbar::scrollJump:
-    {
+      scrollToY (vbar->getValue());
-      int value = vbar->getValue();
-      scrollToY (value);
       break;
-    }
 
     case FScrollbar::scrollWheelUp:
       wheelUp (wheel_distance);
@@ -2875,7 +2872,7 @@ void FListView::cb_vbarChange (const FWidget*)
     if ( first_line_position_before != first_visible_line.getPosition() )
       vbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 }
@@ -2932,8 +2929,6 @@ void FListView::cb_hbarChange (const FWidget*)
   {
     drawHeadlines();
     drawList();
-    updateTerminal();
-    flush();
   }
 
   if ( scrollType >= FScrollbar::scrollStepBackward )
@@ -2943,7 +2938,7 @@ void FListView::cb_hbarChange (const FWidget*)
     if ( xoffset_before != xoffset )
       hbar->drawBar();
 
-    updateTerminal();
+    if ( processTerminalUpdate() )
       flush();
   }
 }

src/fmenu.cpp

@@ -110,8 +110,6 @@ void FMenu::hide()
   FWindow::hide();
   const auto& t_geometry = getTermGeometryWithShadow();
   restoreVTerm (t_geometry);
-  updateTerminal();
-  flush();
 
   if ( ! isSubMenu() )
   {
@@ -206,9 +204,6 @@ void FMenu::onMouseDown (FMouseEvent* ev)
 
       if ( getStatusBar() )
         getStatusBar()->drawMessage();
-
-      updateTerminal();
-      flush();
     }
 
     return;
@@ -284,19 +279,19 @@ void FMenu::onMouseMove (FMouseEvent* ev)
 
   if ( ms.mouse_over_submenu )
   {
-    passEventToSubMenu(ev);  // Event handover to sub-menu
+    passEventToSubMenu(std::move(*ev));  // Event handover to sub-menu
     return;
   }
 
   if ( ! ms.mouse_over_menu && ms.mouse_over_supermenu )
   {
-    passEventToSuperMenu(ev);  // Event handover to super-menu
+    passEventToSuperMenu(std::move(*ev));  // Event handover to super-menu
     return;
   }
 
   if ( ms.mouse_over_menubar )
   {
-    passEventToMenuBar(ev);  // Event handover to the menu bar
+    passEventToMenuBar(std::move(*ev));  // Event handover to the menu bar
     return;
   }
 
@@ -316,7 +311,8 @@ void FMenu::onMouseMove (FMouseEvent* ev)
   else if ( ms.hide_sub_menu )
   {
     closeOpenedSubMenu();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
       flush();
   }
 }
@@ -615,9 +611,6 @@ void FMenu::openSubMenu (FMenu* sub_menu, bool select)
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------
@@ -728,9 +721,6 @@ void FMenu::mouseDownSubmenu (const FMenuItem* m_item)
 
     if ( getStatusBar() )
       getStatusBar()->drawMessage();
-
-    updateTerminal();
-    flush();
   }
 }
 
@@ -798,9 +788,6 @@ bool FMenu::mouseUpOverList (const FPoint& mouse_pos)
 
           if ( getStatusBar() )
             getStatusBar()->drawMessage();
-
-          updateTerminal();
-          flush();
         }
 
         return true;
@@ -923,13 +910,13 @@ void FMenu::mouseMoveOverBorder (MouseStates& ms) const
 }
 
 //----------------------------------------------------------------------
-void FMenu::passEventToSubMenu (FMouseEvent* const& ev)
+void FMenu::passEventToSubMenu (const FMouseEvent&& ev)
 {
   // Mouse event handover to sub-menu
 
-  const auto& t = ev->getTermPos();
+  const auto& t = ev.getTermPos();
   const auto& p = opened_sub_menu->termToWidgetPos(t);
-  const int b = ev->getButton();
+  const int b = ev.getButton();
 
   try
   {
@@ -946,14 +933,14 @@ void FMenu::passEventToSubMenu (FMouseEvent* const& ev)
 }
 
 //----------------------------------------------------------------------
-void FMenu::passEventToSuperMenu (FMouseEvent* const& ev)
+void FMenu::passEventToSuperMenu (const FMouseEvent&& ev)
 {
   // Mouse event handover to super-menu
 
-  auto smenu = superMenuAt (ev->getTermPos());
+  auto smenu = superMenuAt (ev.getTermPos());
-  const auto& t = ev->getTermPos();
+  const auto& t = ev.getTermPos();
   const auto& p = smenu->termToWidgetPos(t);
-  const int b = ev->getButton();
+  const int b = ev.getButton();
 
   try
   {
@@ -970,14 +957,14 @@ void FMenu::passEventToSuperMenu (FMouseEvent* const& ev)
 }
 
 //----------------------------------------------------------------------
-void FMenu::passEventToMenuBar (FMouseEvent* const& ev) const
+void FMenu::passEventToMenuBar (const FMouseEvent&& ev) const
 {
   // Mouse event handover to the menu bar
 
   auto menu_bar = getMenuBar();
-  const auto& t = ev->getTermPos();
+  const auto& t = ev.getTermPos();
   const auto& p = menu_bar->termToWidgetPos(t);
-  const int b = ev->getButton();
+  const int b = ev.getButton();
 
   try
   {
@@ -1073,8 +1060,6 @@ bool FMenu::selectNextItem()
         getStatusBar()->drawMessage();
 
       redraw();
-      updateTerminal();
-      flush();
       break;
     }
 
@@ -1123,8 +1108,6 @@ bool FMenu::selectPrevItem()
         getStatusBar()->drawMessage();
 
       redraw();
-      updateTerminal();
-      flush();
       break;
     }
   }
@@ -1186,8 +1169,6 @@ bool FMenu::hotkeyMenu (FKeyEvent* ev)
           hideSubMenus();
           hide();
           hideSuperMenus();
-          updateTerminal();
-          flush();
           ev->accept();
           item->processClicked();
         }
@@ -1527,9 +1508,6 @@ inline void FMenu::selectPrevMenu (FKeyEvent* ev)
 
     if ( getStatusBar() )
       getStatusBar()->drawMessage();
-
-    updateTerminal();
-    flush();
   }
   else
     keypressMenuBar(ev);  // select previous menu
@@ -1600,9 +1578,6 @@ inline void FMenu::closeMenu()
 
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
-
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------

src/fmenubar.cpp

@@ -79,7 +79,6 @@ void FMenuBar::hide()
   FColor bg = wc->term_bg;
   setColor (fg, bg);
   print() << FPoint{1, 1} << FString{getDesktopWidth(), L' '};
-  updateTerminal();
   FWindow::hide();
 }
 
@@ -210,7 +209,7 @@ void FMenuBar::onMouseMove (FMouseEvent* ev)
 
   // Handle menu entries
   if ( mouse_down )
-    mouseMoveOverList(ev);
+    mouseMoveOverList(std::move(*ev));
 }
 
 //----------------------------------------------------------------------
@@ -224,6 +223,10 @@ void FMenuBar::onAccel (FAccelEvent* ev)
     getStatusBar()->drawMessage();
 
   redraw();
+
+  if ( processTerminalUpdate() )
+    flush();
+
   ev->accept();
 }
 
@@ -825,10 +828,7 @@ void FMenuBar::mouseDownOverList (const FMouseEvent* ev)
   }
 
   if ( focus_changed )
-  {
     redraw();
-    updateTerminal();
-  }
 }
 
 //----------------------------------------------------------------------
@@ -869,7 +869,7 @@ void FMenuBar::mouseUpOverList (const FMouseEvent* ev)
 }
 
 //----------------------------------------------------------------------
-void FMenuBar::mouseMoveOverList (const FMouseEvent* ev)
+void FMenuBar::mouseMoveOverList (const FMouseEvent&& ev)
 {
   auto list = getItemList();
 
@@ -878,10 +878,10 @@ void FMenuBar::mouseMoveOverList (const FMouseEvent* ev)
 
   focus_changed = false;
   bool mouse_over_menubar{false};
-  int mouse_x = ev->getX();
+  int mouse_x = ev.getX();
-  int mouse_y = ev->getY();
+  int mouse_y = ev.getY();
 
-  if ( getTermGeometry().contains(ev->getTermPos()) )
+  if ( getTermGeometry().contains(ev.getTermPos()) )
     mouse_over_menubar = true;
 
   for (auto&& item : list)
@@ -906,7 +906,7 @@ void FMenuBar::mouseMoveOverList (const FMouseEvent* ev)
       else
       {
         // Event handover to the menu
-        passEventToMenu(ev);
+        passEventToMenu(std::move(ev));
       }
     }
   }
@@ -922,12 +922,14 @@ void FMenuBar::mouseMoveOverList (const FMouseEvent* ev)
   if ( focus_changed )
   {
     redraw();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
+      flush();
   }
 }
 
 //----------------------------------------------------------------------
-void FMenuBar::passEventToMenu (const FMouseEvent* const& ev) const
+void FMenuBar::passEventToMenu (const FMouseEvent&& ev) const
 {
   if ( ! hasSelectedItem() || ! getSelectedItem()->hasMenu() )
     return;
@@ -937,11 +939,11 @@ void FMenuBar::passEventToMenu (const FMouseEvent* const& ev) const
   const auto& menu_geometry = menu->getTermGeometry();
 
   if ( menu->getCount() > 0
-    && menu_geometry.contains(ev->getTermPos()) )
+    && menu_geometry.contains(ev.getTermPos()) )
   {
-    const auto& t = ev->getTermPos();
+    const auto& t = ev.getTermPos();
     const auto& p = menu->termToWidgetPos(t);
-    const int b = ev->getButton();
+    const int b = ev.getButton();
 
     try
     {
@@ -972,8 +974,6 @@ void FMenuBar::leaveMenuBar()
   if ( getStatusBar() )
     getStatusBar()->drawMessage();
 
-  updateTerminal();
-  flush();
   mouse_down = false;
 }
 

src/fmenuitem.cpp

@@ -250,8 +250,6 @@ void FMenuItem::openMenu() const
   dd_menu->show();
   dd_menu->raiseWindow();
   dd_menu->redraw();
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------
@@ -419,6 +417,7 @@ void FMenuItem::onAccel (FAccelEvent* ev)
 
     mbar->redraw();
     mbar->drop_down = true;
+
   }
   else
   {
@@ -429,6 +428,9 @@ void FMenuItem::onAccel (FAccelEvent* ev)
     mbar->drop_down = false;
   }
 
+  if ( processTerminalUpdate() )
+    flush();
+
   ev->accept();
 }
 

src/fmouse.cpp

@@ -28,6 +28,7 @@
 #include <iostream>
 #include <new>
 
+#include "final/fapplication.h"
 #include "final/fconfig.h"
 #include "final/fkeyboard.h"
 #include "final/fmouse.h"
@@ -39,6 +40,136 @@
 namespace finalcut
 {
 
+//----------------------------------------------------------------------
+// class FMouseData
+//----------------------------------------------------------------------
+
+// constructors and destructor
+//----------------------------------------------------------------------
+FMouseData::FMouseData()
+{ }
+
+//----------------------------------------------------------------------
+FMouseData::~FMouseData()
+{ }
+
+// public methods of FMouseData
+//----------------------------------------------------------------------
+FString FMouseData::getClassName() const
+{
+  return "FMouseData";
+}
+
+//----------------------------------------------------------------------
+const FPoint& FMouseData::getPos() const
+{
+  return mouse;
+}
+//----------------------------------------------------------------------
+bool FMouseData::isLeftButtonPressed() const
+{
+  return bool(getButtonState().left_button == Pressed);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isLeftButtonReleased() const
+{
+  return bool(getButtonState().left_button == Released);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isLeftButtonDoubleClick() const
+{
+  return bool(getButtonState().left_button == DoubleClick);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isRightButtonPressed() const
+{
+  return bool(getButtonState().right_button == Pressed);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isRightButtonReleased() const
+{
+  return bool(getButtonState().right_button == Released);
+}
+//----------------------------------------------------------------------
+bool FMouseData::isMiddleButtonPressed() const
+{
+  return bool(getButtonState().middle_button == Pressed);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isMiddleButtonReleased() const
+{
+  return bool(getButtonState().middle_button == Released);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isShiftKeyPressed() const
+{
+  return bool(getButtonState().shift_button);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isControlKeyPressed() const
+{
+  return bool(getButtonState().control_button);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isMetaKeyPressed() const
+{
+  return bool(getButtonState().meta_button);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isWheelUp() const
+{
+  return bool(getButtonState().wheel_up);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isWheelDown() const
+{
+  return bool(getButtonState().wheel_down);
+}
+
+//----------------------------------------------------------------------
+bool FMouseData::isMoved() const
+{
+  return bool(getButtonState().mouse_moved);
+}
+
+//----------------------------------------------------------------------
+void FMouseData::clearButtonState()
+{
+  // Fill bit field with 0
+  std::memset(&b_state, 0x00, sizeof(b_state));
+}
+
+
+// protected methods of FMouseData
+//----------------------------------------------------------------------
+inline FMouseData::FMouseButton& FMouseData::getButtonState()
+{
+  return b_state;
+}
+
+//----------------------------------------------------------------------
+inline const FMouseData::FMouseButton& FMouseData::getButtonState() const
+{
+  return b_state;
+}
+
+//----------------------------------------------------------------------
+void FMouseData::setPos (const FPoint& m)
+{
+  mouse = m;
+}
+
+
 //----------------------------------------------------------------------
 // class FMouse
 //----------------------------------------------------------------------
@@ -51,6 +182,10 @@ FMouse::FMouse()
   clearButtonState();
 }
 
+//----------------------------------------------------------------------
+FMouse::~FMouse()  // destructor
+{ }
+
 
 // public methods of FMouse
 //----------------------------------------------------------------------
@@ -59,12 +194,6 @@ FString FMouse::getClassName() const
   return "FMouse";
 }
 
-//----------------------------------------------------------------------
-inline const FPoint& FMouse::getPos() const
-{
-  return mouse;
-}
-
 //----------------------------------------------------------------------
 inline void FMouse::clearEvent()
 {
@@ -96,103 +225,13 @@ inline bool FMouse::hasEvent() const
 }
 
 //----------------------------------------------------------------------
-inline bool FMouse::isLeftButtonPressed()
+inline bool FMouse::hasUnprocessedInput() const
 {
-  return bool(getButtonState().left_button == Pressed);
+  return unprocessed_buffer_data;
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isLeftButtonReleased()
-{
-  return bool(getButtonState().left_button == Released);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isLeftButtonDoubleClick()
-{
-  return bool(getButtonState().left_button == DoubleClick);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isRightButtonPressed()
-{
-  return bool(getButtonState().right_button == Pressed);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isRightButtonReleased()
-{
-  return bool(getButtonState().right_button == Released);
-}
-//----------------------------------------------------------------------
-inline bool FMouse::isMiddleButtonPressed()
-{
-  return bool(getButtonState().middle_button == Pressed);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isMiddleButtonReleased()
-{
-  return bool(getButtonState().middle_button == Released);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isShiftKeyPressed()
-{
-  return bool(getButtonState().shift_button);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isControlKeyPressed()
-{
-  return bool(getButtonState().control_button);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isMetaKeyPressed()
-{
-  return bool(getButtonState().meta_button);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isWheelUp()
-{
-  return bool(getButtonState().wheel_up);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isWheelDown()
-{
-  return bool(getButtonState().wheel_down);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isMoved()
-{
-  return bool(getButtonState().mouse_moved);
-}
-
-//----------------------------------------------------------------------
-inline bool FMouse::isInputDataPending() const
-{
-  return input_data_pending;
-}
-
-//----------------------------------------------------------------------
-void FMouse::clearButtonState()
-{
-  // Fill bit field with 0
-  std::memset(&b_state, 0x00, sizeof(b_state));
 }
 
 
 // protected methods of FMouse
-//----------------------------------------------------------------------
-inline FMouse::FMouseButton& FMouse::getButtonState()
-{
-  return b_state;
-}
-
 //----------------------------------------------------------------------
 inline const FPoint& FMouse::getNewPos() const
 {
@@ -223,12 +262,6 @@ timeval* FMouse::getMousePressedTime()
   return &time_mousepressed;
 }
 
-//----------------------------------------------------------------------
-void FMouse::setPos (const FPoint& m)
-{
-  mouse = m;
-}
-
 //----------------------------------------------------------------------
 void FMouse::setNewPos (int x, int y)
 {
@@ -238,7 +271,7 @@ void FMouse::setNewPos (int x, int y)
 //----------------------------------------------------------------------
 void FMouse::setPending (bool is_pending)
 {
-  input_data_pending = is_pending;
+  unprocessed_buffer_data = is_pending;
 }
 
 //----------------------------------------------------------------------
@@ -1434,14 +1467,14 @@ bool FMouseControl::isMoved()
 }
 
 //----------------------------------------------------------------------
-bool FMouseControl::isInputDataPending()
+bool FMouseControl::hasUnprocessedInput()
 {
   return std::any_of ( std::begin(mouse_protocol)
                      , std::end(mouse_protocol)
                      , [] (FMouseProtocol::const_reference m)
                        {
                          return m.second
-                             && m.second->isInputDataPending();
+                             && m.second->hasUnprocessedInput();
                        }
                      );
 }
@@ -1514,6 +1547,25 @@ void FMouseControl::setRawData ( FMouse::mouse_type mt
     mouse->setRawData (fifo_buf);
 }
 
+//----------------------------------------------------------------------
+void FMouseControl::processQueuedInput()
+{
+  while ( ! fmousedata_queue.empty() )
+  {
+    if ( FApplication::isQuit() )
+      return;
+
+    FMouseDataPtr md(std::move(fmousedata_queue.front()));
+    fmousedata_queue.pop();
+
+    if ( md.get() )
+      event_cmd.execute(*md);
+
+    if ( FApplication::isQuit() )
+      return;
+  }
+}
+
 //----------------------------------------------------------------------
 void FMouseControl::processEvent (struct timeval* time)
 {
@@ -1522,7 +1574,11 @@ void FMouseControl::processEvent (struct timeval* time)
   clearEvent();
 
   if ( mouse_object )
+  {
     mouse_object->processEvent(time);
+    auto& md = static_cast<FMouseData&>(*mouse_object);
+    fmousedata_queue.emplace(new FMouseData(std::move(md)));
+  }
 }
 
 //----------------------------------------------------------------------

src/fprogressbar.cpp

@@ -64,8 +64,6 @@ void FProgressbar::setPercentage (std::size_t percentage_value)
     drawProgressLabel();
     drawProgressBar();
   }
-
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------
@@ -126,8 +124,6 @@ void FProgressbar::reset()
     drawProgressLabel();
     drawProgressBar();
   }
-
-  updateTerminal();
 }
 
 
@@ -148,6 +144,7 @@ void FProgressbar::draw()
   if ( getFlags().shadow )
     drawShadow(this);
 
+  if ( processTerminalUpdate() )
     flush();
 }
 
@@ -182,9 +179,6 @@ void FProgressbar::drawProgressBar()
 
   if ( FTerm::isMonochron() )
     setReverse(false);
-
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------

src/fscrollbar.cpp

@@ -352,7 +352,10 @@ void FScrollbar::onMouseMove (FMouseEvent* ev)
     {
       setValue(new_val);
       drawBar();
-      updateTerminal();
+
+      if ( processTerminalUpdate() )
+        flush();
+
       processScroll();
     }
   }
@@ -463,7 +466,7 @@ void FScrollbar::drawVerticalBar()
   const auto& wc = getColorTheme();
   setColor (wc->scrollbar_fg, wc->scrollbar_bg);
 
-  for (int z{1}; z <= slider_pos; z++)
+  for (auto z{1}; z <= slider_pos; z++)
   {
     print() << FPoint{1, 1 + z};
     drawVerticalBackgroundLine();
@@ -474,7 +477,7 @@ void FScrollbar::drawVerticalBar()
   if ( FTerm::isMonochron() )
     setReverse(false);
 
-  for (int z{1}; z <= int(slider_length); z++)  // Draw slider
+  for (auto z{1}; z <= int(slider_length); z++)  // Draw slider
   {
     print() << FPoint{1, 1 + slider_pos + z};
 
@@ -489,7 +492,7 @@ void FScrollbar::drawVerticalBar()
 
   setColor (wc->scrollbar_fg, wc->scrollbar_bg);
 
-  for (int z = slider_pos + int(slider_length) + 1; z <= int(bar_length); z++)
+  for (auto z = slider_pos + int(slider_length) + 1; z <= int(bar_length); z++)
   {
     print() << FPoint{1, 1 + z};
     drawVerticalBackgroundLine();
@@ -529,7 +532,7 @@ void FScrollbar::drawHorizontalBar()
   else
     print() << FPoint{2, 1};
 
-  for (int z{0}; z < slider_pos; z++)
+  for (auto z{0}; z < slider_pos; z++)
     drawHorizontalBackgroundColumn();
 
   setColor (wc->scrollbar_bg, wc->scrollbar_fg);
@@ -537,7 +540,7 @@ void FScrollbar::drawHorizontalBar()
   if ( FTerm::isMonochron() )
     setReverse(false);
 
-  for (int z{0}; z < int(slider_length); z++)  // Draw slider
+  for (auto z{0}; z < int(slider_length); z++)  // Draw slider
     print (' ');
 
   if ( FTerm::isMonochron() )
@@ -757,7 +760,10 @@ void FScrollbar::jumpToClickPos (int x, int y)
   {
     setValue(new_val);
     drawBar();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
+      flush();
+
     scroll_type = FScrollbar::scrollJump;
     processScroll();
   }

src/fscrollview.cpp

@@ -411,7 +411,9 @@ void FScrollView::scrollTo (int x, int y)
 
   viewport->has_changes = true;
   copy2area();
-  updateTerminal();
+
+  if ( processTerminalUpdate() )
+    flush();
 }
 
 //----------------------------------------------------------------------
@@ -647,10 +649,7 @@ void FScrollView::copy2area()
   if ( ! hasPrintArea() )
     FWidget::getPrintArea();
 
-  if ( ! (hasPrintArea() && viewport) )
+  if ( ! (hasPrintArea() && viewport && viewport->has_changes) )
-    return;
-
-  if ( ! viewport->has_changes )
     return;
 
   auto printarea = getCurrentPrintArea();
@@ -669,15 +668,15 @@ void FScrollView::copy2area()
   if ( printarea->height <= ay + y_end )
     y_end = printarea->height - ay;
 
-  for (int y{0}; y < y_end; y++)  // line loop
+  for (auto y{0}; y < y_end; y++)  // line loop
   {
-    const FChar* vc{};  // viewport character
-    FChar* ac{};  // area character
     const int v_line_len = viewport->width;
     const int a_line_len = printarea->width + printarea->right_shadow;
-    vc = &viewport->data[(dy + y) * v_line_len + dx];
+    // viewport character
-    ac = &printarea->data[(ay + y) * a_line_len + ax];
+    const auto& vc = viewport->data[(dy + y) * v_line_len + dx];
-    std::memcpy (ac, vc, sizeof(FChar) * unsigned(x_end));
+    // area character
+    auto& ac = printarea->data[(ay + y) * a_line_len + ax];
+    std::memcpy (&ac, &vc, sizeof(FChar) * unsigned(x_end));
 
     if ( int(printarea->changes[ay + y].xmin) > ax )
       printarea->changes[ay + y].xmin = uInt(ax);
@@ -694,9 +693,9 @@ void FScrollView::copy2area()
 
 // private methods of FScrollView
 //----------------------------------------------------------------------
-inline FPoint FScrollView::getViewportCursorPos() const
+inline FPoint FScrollView::getViewportCursorPos()
 {
-  const auto& window = FWindow::getWindowWidget(this);
+  auto window = FWindow::getWindowWidget(this);
 
   if ( window )
   {
@@ -846,7 +845,7 @@ void FScrollView::setVerticalScrollBarVisibility() const
 }
 
 //----------------------------------------------------------------------
-void FScrollView::setViewportCursor() const
+void FScrollView::setViewportCursor()
 {
   if ( ! isChild(getFocusWidget()) )
     return;

src/fspinbox.cpp

@@ -371,7 +371,6 @@ inline void FSpinBox::updateInputField()
   input_field << pfix << value << sfix;
   input_field.redraw();
   redraw();
-  updateTerminal();
 }
 
 //----------------------------------------------------------------------

src/fstatusbar.cpp

@@ -189,7 +189,6 @@ void FStatusBar::hide()
   const FColor bg = wc->term_bg;
   setColor (fg, bg);
   print() << FPoint{1, 1} << FString{getDesktopWidth(), L' '};
-  updateTerminal();
   FWindow::hide();
 }
 
@@ -256,7 +255,7 @@ void FStatusBar::drawMessage()
     }
   }
 
-  for (int i = x; i <= int(termWidth); i++)
+  for (auto i = x; i <= int(termWidth); i++)
     print (' ');
 
   if ( FTerm::isMonochron() )

src/fstring.cpp

@@ -128,10 +128,8 @@ FString::FString (fc::SpecialCharacter c)
 {
   if ( c )
   {
-    wchar_t s[2];
+    std::array<wchar_t, 2> s{{ static_cast<wchar_t>(c), L'\0' }};
-    s[0] = static_cast<wchar_t>(c);
+    _assign (s.data());
-    s[1] = L'\0';
-    _assign (s);
   }
 }
 
@@ -140,10 +138,8 @@ FString::FString (const wchar_t c)
 {
   if ( c )
   {
-    wchar_t s[2];
+    std::array<wchar_t, 2> s{{ c, L'\0' }};
-    s[0] = c;
+    _assign (s.data());
-    s[1] = L'\0';
-    _assign (s);
   }
 }
 
@@ -152,10 +148,8 @@ FString::FString (const char c)
 {
   if ( c )
   {
-    wchar_t s[2];
+    std::array<wchar_t, 2> s{{ wchar_t(c & 0xff), L'\0' }};
-    s[0] = wchar_t(c & 0xff);
+    _assign (s.data());
-    s[1] = L'\0';
-    _assign (s);
   }
 }
 
@@ -403,7 +397,10 @@ char* FString::c_str()
   if ( length > 0 )
     return const_cast<char*>(_to_cstring(string));
   else if ( string )
-    return const_cast<char*>("");
+  {
+    static char empty_string{'\0'};
+    return &empty_string;
+  }
   else
     return nullptr;
 }
@@ -769,7 +766,7 @@ FString& FString::setString (const FString& s)
 //----------------------------------------------------------------------
 FString& FString::setNumber (sInt64 num)
 {
-  wchar_t buf[30]{};
+  std::array<wchar_t, 30> buf{};
   wchar_t* s = &buf[29];  // Pointer to the last character
   auto abs_num = static_cast<uInt64>(num);
 
@@ -813,7 +810,7 @@ FString& FString::setNumber (uInt64 num)
 //----------------------------------------------------------------------
 FString& FString::setNumber (lDouble f_num, int precision)
 {
-  wchar_t format[20]{};  // = "%.<precision>Lg"
+  std::array<wchar_t, 20> format{};  // = "%.<precision>Lg"
   wchar_t* s = &format[0];
   *s++ = L'%';
   *s++ = L'.';
@@ -838,14 +835,14 @@ FString& FString::setNumber (lDouble f_num, int precision)
   *s++ = L'g';
   *s = L'\0';
 
-  return sprintf(format, f_num);
+  return sprintf(format.data(), f_num);
 }
 
 //----------------------------------------------------------------------
 FString& FString::setFormatedNumber (sInt64 num, char separator)
 {
   int n{0};
-  wchar_t buf[30]{};
+  std::array<wchar_t, 30> buf{};
   wchar_t* s = &buf[29];  // Pointer to the last character
   auto abs_num = static_cast<uInt64>(num);
 
@@ -1534,76 +1531,6 @@ FString operator + (const FString& s1, const FString& s2)
   return tmp;
 }
 
-//----------------------------------------------------------------------
-FString operator + (const FString& s, const wchar_t c)
-{
-  FString tmp1{s};
-  wchar_t tmp2[2];
-  tmp2[0] = c;
-  tmp2[1] = L'\0';
-  tmp1._insert (tmp1.length, 1, tmp2);
-  return tmp1;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const std::wstring& s1, const FString& s2)
-{
-  FString tmp{s1};
-  tmp._insert (tmp.length, s2.length, s2.wc_str());
-  return tmp;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const wchar_t s1[], const FString& s2)
-{
-  FString tmp{s1};
-  tmp._insert (tmp.length, s2.length, s2.wc_str());
-  return tmp;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const std::string& s1, const FString& s2)
-{
-  FString tmp{s1};
-  tmp._insert (tmp.length, s2.length, s2.wc_str());
-  return tmp;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const char s1[], const FString& s2)
-{
-  FString tmp{s1};
-  tmp._insert (tmp.length, s2.length, s2.wc_str());
-  return tmp;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const wchar_t c, const FString& s)
-{
-  FString tmp{c};
-  tmp._insert (1, s.length, s.wc_str());
-  return tmp;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const char c, const FString& s)
-{
-  FString tmp{c};
-  tmp._insert (1, s.length, s.wc_str());
-  return tmp;
-}
-
-//----------------------------------------------------------------------
-FString operator + (const FString& s, const char c)
-{
-  FString tmp1{s};
-  wchar_t tmp2[2];
-  tmp2[0] = wchar_t(c & 0xff);
-  tmp2[1] = L'\0';
-  tmp1._insert (tmp1.length, 1, tmp2);
-  return tmp1;
-}
-
 //----------------------------------------------------------------------
 std::ostream& operator << (std::ostream& outstr, const FString& s)
 {
@@ -1625,9 +1552,9 @@ std::ostream& operator << (std::ostream& outstr, const FString& s)
 //----------------------------------------------------------------------
 std::istream& operator >> (std::istream& instr, FString& s)
 {
-  char buf[FString::INPBUFFER + 1]{};
+  std::array<char, FString::INPBUFFER + 1> buf{};
-  instr.getline (buf, FString::INPBUFFER);
+  instr.getline (buf.data(), FString::INPBUFFER);
-  const wchar_t* wc_str = s._to_wcstring(buf);
+  const wchar_t* wc_str = s._to_wcstring(buf.data());
 
   if ( wc_str )
   {
@@ -1659,9 +1586,9 @@ std::wostream& operator << (std::wostream& outstr, const FString& s)
 //----------------------------------------------------------------------
 std::wistream& operator >> (std::wistream& instr, FString& s)
 {
-  wchar_t buf[FString::INPBUFFER + 1]{};
+  std::array<wchar_t, FString::INPBUFFER + 1> buf{};
-  instr.getline (buf, FString::INPBUFFER);
+  instr.getline (buf.data(), FString::INPBUFFER);
-  s._assign (buf);
+  s._assign (buf.data());
   return instr;
 }
 

src/fswitch.cpp

@@ -123,8 +123,6 @@ void FSwitch::draw()
   drawLabel();
   drawCheckButton();
   FToggleButton::draw();
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------

src/fterm.cpp

@@ -63,14 +63,21 @@
 namespace finalcut
 {
 
-// Global FTerm object
+namespace internal
-static FTerm* init_term_object{nullptr};
+{
 
-// Global init state
+struct var
-static bool term_initialized{false};
+{
+  static FTerm* init_term_object;  // Global FTerm object
+  static bool   term_initialized;  // Global init state
+  static uInt   object_counter;    // Counts the number of object instances
+};
 
-// Counts the number of object instances
+FTerm* var::init_term_object{nullptr};
-static uInt object_counter{0};
+bool   var::term_initialized{false};
+uInt   var::object_counter{0};
+
+}  // namespace internal
 
 // Static class attributes
 FTermData*      FTerm::data          {nullptr};
@@ -107,21 +114,21 @@ FMouseControl*  FTerm::mouse         {nullptr};
 //----------------------------------------------------------------------
 FTerm::FTerm()
 {
-  if ( object_counter == 0 )
+  if ( internal::var::object_counter == 0 )
     allocationValues();  // Allocation of global objects
 
-  object_counter++;
+  internal::var::object_counter++;
 }
 
 //----------------------------------------------------------------------
 FTerm::~FTerm()  // destructor
 {
-  if ( init_term_object == this )
+  if ( internal::var::init_term_object == this )
     finish();  // Resetting console settings
 
-  object_counter--;
+  internal::var::object_counter--;
 
-  if ( object_counter == 0 )
+  if ( internal::var::object_counter == 0 )
   {
     printExitMessage();
     deallocationValues();  // Deallocation of global objects
@@ -442,7 +449,7 @@ FTermDebugData& FTerm::getFTermDebugData()
 #endif  // DEBUG
 
 //----------------------------------------------------------------------
-bool FTerm::isNormal (const FChar* const& ch)
+bool FTerm::isNormal (const FChar& ch)
 {
   return FOptiAttr::isNormal(ch);
 }
@@ -588,7 +595,7 @@ bool FTerm::isNewFont()
 //----------------------------------------------------------------------
 bool FTerm::isInitialized()
 {
-  return term_initialized;
+  return internal::var::term_initialized;
 }
 
 //----------------------------------------------------------------------
@@ -1243,9 +1250,6 @@ FTerm::defaultPutChar& FTerm::putchar()
 //----------------------------------------------------------------------
 void FTerm::putstring (const char str[], int affcnt)
 {
-  if ( ! fsys )
-    getFSystem();
-
   FTermcap::paddingPrint (str, affcnt, FTerm::putchar_ASCII);
 }
 
@@ -1322,7 +1326,7 @@ void FTerm::initScreenSettings()
 }
 
 //----------------------------------------------------------------------
-const char* FTerm::changeAttribute (FChar*& term_attr, FChar*& next_attr)
+const char* FTerm::changeAttribute (FChar& term_attr, FChar& next_attr)
 {
   return opti_attr->changeAttribute (term_attr, next_attr);
 }
@@ -2274,7 +2278,7 @@ inline void FTerm::deallocationValues()
 //----------------------------------------------------------------------
 void FTerm::init()
 {
-  init_term_object = this;
+  internal::var::init_term_object = this;
 
   // Initialize global values for all objects
   init_global_values();
@@ -2362,7 +2366,7 @@ void FTerm::init()
   FTermios::setRawMode();
 
   // The terminal is now initialized
-  term_initialized = true;
+  internal::var::term_initialized = true;
 }
 
 //----------------------------------------------------------------------
@@ -2587,8 +2591,8 @@ void FTerm::terminalSizeChange()
 //----------------------------------------------------------------------
 void FTerm::processTermination (int signum)
 {
-  if ( init_term_object )
+  if ( internal::var::init_term_object )
-    init_term_object->finish();
+    internal::var::init_term_object->finish();
 
   std::fflush (stderr);
   std::fflush (stdout);
@@ -2602,8 +2606,8 @@ void FTerm::processTermination (int signum)
     printExitMessage();
   }
 
-  if ( init_term_object )
+  if ( internal::var::init_term_object )
-    init_term_object->deallocationValues();
+    internal::var::init_term_object->deallocationValues();
 
   std::terminate();
 }

src/ftermcapquirks.cpp

@@ -271,7 +271,8 @@ void FTermcapQuirks::vte()
 
   if ( term_detection->getGnomeTerminalID() >= 5300 )  // vte >= 0.53.0
   {
-    if ( ! std::strstr(TCAP(fc::t_enter_ca_mode), "\033[22;0;0t") )
+    if ( TCAP(fc::t_enter_ca_mode)
+      && ! std::strstr(TCAP(fc::t_enter_ca_mode), "\033[22;0;0t") )
     {
       // Save the cursor position, enter alternate screen buffer
       // and save xterm icon and window title on stack
@@ -279,7 +280,8 @@ void FTermcapQuirks::vte()
           CSI "?1049h" CSI "22;0;0t";
     }
 
-    if ( ! std::strstr(TCAP(fc::t_exit_ca_mode), "\033[23;0;0t") )
+    if ( TCAP(fc::t_exit_ca_mode)
+      && ! std::strstr(TCAP(fc::t_exit_ca_mode), "\033[23;0;0t") )
     {
       // Use normal screen buffer, restore the cursor position
       // and restore xterm icon and window title from stack

src/ftermdetection.cpp

@@ -60,6 +60,7 @@ FKeyboard*                    FTermDetection::keyboard{nullptr};
 char                          FTermDetection::termtype[256]{};
 char                          FTermDetection::ttytypename[256]{};
 bool                          FTermDetection::decscusr_support{};
+
 bool                          FTermDetection::terminal_detection{};
 bool                          FTermDetection::color256{};
 const FString*                FTermDetection::answer_back{nullptr};
@@ -163,8 +164,8 @@ void FTermDetection::deallocation()
 void FTermDetection::getSystemTermType()
 {
   // Import the untrusted environment variable TERM
-  const char* const& term_env = std::getenv("TERM");
+  const auto& term_env = std::getenv("TERM");
-  const char* termfilename = fterm_data->getTermFileName();
+  const auto& termfilename = fterm_data->getTermFileName();
 
   if ( term_env )
   {
@@ -211,7 +212,7 @@ bool FTermDetection::getTTYtype()
     term_basename++;
 
   std::FILE* fp{};
-  char str[BUFSIZ]{};
+  std::array<char, BUFSIZ> str{};
 
   if ( ! fsystem )
     return false;
@@ -220,11 +221,11 @@ bool FTermDetection::getTTYtype()
     return false;
 
   // Read and parse the file
-  while ( fgets(str, sizeof(str) - 1, fp) != nullptr )
+  while ( fgets(str.data(), str.size() - 1, fp) != nullptr )
   {
     const char* type{nullptr};  // nullptr == not found
     const char* name{nullptr};
-    char* p = str;
+    char* p = str.data();
 
     while ( *p )
     {
@@ -232,7 +233,7 @@ bool FTermDetection::getTTYtype()
         *p = '\0';
       else if ( type == nullptr )
         type = p;
-      else if ( name == nullptr && p != str && p[-1] == '\0' )
+      else if ( name == nullptr && p != str.data() && p[-1] == '\0' )
         name = p;
 
       p++;
@@ -405,6 +406,14 @@ void FTermDetection::detectTerminal()
     std::strncpy (termtype, new_termtype, sizeof(termtype));
     termtype[sizeof(termtype) - 1] = '\0';
   }
+
+#if defined(__CYGWIN__)
+  const auto& termfilename = fterm_data->getTermFileName();
+
+  // Fixes problem with mouse input
+  if ( std::strncmp(termfilename, "/dev/cons", 9) == 0 )
+    FKeyboard::setNonBlockingInputSupport(false);
+#endif
 }
 
 //----------------------------------------------------------------------

src/ftermlinux.cpp

@@ -277,9 +277,8 @@ bool FTermLinux::loadVGAFont()
 
       // Unicode character mapping
       struct unimapdesc unimap;
-      unimap.entry_ct = uInt16 ( sizeof(fc::unicode_cp437_pairs)
+      unimap.entry_ct = uInt16(fc::unicode_cp437_pairs.size());
-                               / sizeof(unipair) );
+      unimap.entries = const_cast<unipair*>(fc::unicode_cp437_pairs.data());
-      unimap.entries = const_cast<unipair*>(&fc::unicode_cp437_pairs[0]);
       setUnicodeMap(&unimap);
     }
     else
@@ -328,9 +327,8 @@ bool FTermLinux::loadNewFont()
 
       // Unicode character mapping
       struct unimapdesc unimap;
-      unimap.entry_ct = uInt16 ( sizeof(fc::unicode_newfont_pairs)
+      unimap.entry_ct = uInt16(fc::unicode_newfont_pairs.size());
-                               / sizeof(unipair) );
+      unimap.entries = const_cast<unipair*>(fc::unicode_newfont_pairs.data());
-      unimap.entries = const_cast<unipair*>(&fc::unicode_newfont_pairs[0]);
       setUnicodeMap(&unimap);
     }
     else

src/ftextview.cpp

@@ -184,7 +184,9 @@ void FTextView::scrollTo (int x, int y)
   }
 
   drawText();
-  updateTerminal();
+
+  if ( processTerminalUpdate() )
+    flush();
 }
 
 //----------------------------------------------------------------------
@@ -322,13 +324,12 @@ void FTextView::clear()
   if ( size == 0 )
     return;
 
-  for (int y{0}; y < int(getTextHeight()); y++)
+  for (auto y{0}; y < int(getTextHeight()); y++)
   {
     print() << FPoint{2, 2 - nf_offset + y}
             << FString{size, L' '};
   }
 
-  updateTerminal();
   processChanged();
 }
 
@@ -476,7 +477,8 @@ void FTextView::onWheel (FWheelEvent* ev)
   if ( isShown() )
     drawText();
 
-  updateTerminal();
+  if ( processTerminalUpdate() )
+    flush();
 }
 
 //----------------------------------------------------------------------
@@ -621,8 +623,6 @@ void FTextView::draw()
   }
 
   setCursorPos ({int(getWidth()), int(getHeight())});
-  updateTerminal();
-  flush();
 }
 
 //----------------------------------------------------------------------

src/ftogglebutton.cpp

@@ -222,11 +222,7 @@ void FToggleButton::onMouseDown (FMouseEvent* ev)
   redraw();
 
   if ( getStatusBar() )
-  {
     getStatusBar()->drawMessage();
-    updateTerminal();
-    flush();
-  }
 }
 
 //----------------------------------------------------------------------
@@ -299,11 +295,7 @@ void FToggleButton::onAccel (FAccelEvent* ev)
   redraw();
 
   if ( getStatusBar() )
-  {
     getStatusBar()->drawMessage();
-    updateTerminal();
-    flush();
-  }
 
   processClick();
   ev->accept();
@@ -474,10 +466,7 @@ void FToggleButton::onKeyPress (FKeyEvent* ev)
   }
 
   if ( ev->isAccepted() )
-  {
     draw();
-    updateTerminal();
-  }
 }
 
 

src/fwidget.cpp

@@ -37,8 +37,17 @@
 namespace finalcut
 {
 
-// global FWidget object
+namespace internal
-static FWidget* root_widget{nullptr};
+{
+
+struct var
+{
+  static FWidget* root_widget;  // global FWidget object
+};
+
+FWidget* var::root_widget{nullptr};
+
+}  // namespace internal
 
 // static class attributes
 FStatusBar*           FWidget::statusbar{nullptr};
@@ -74,7 +83,7 @@ FWidget::FWidget (FWidget* parent)
 
   if ( ! parent )
   {
-    if ( root_widget )
+    if ( internal::var::root_widget )
     {
       auto ftermdata = FTerm::getFTermData();
       ftermdata->setExitMessage("FWidget: No parent defined! "
@@ -134,16 +143,16 @@ FWidget::~FWidget()  // destructor
   accelerator_list.clear();
 
   // finish the program
-  if ( root_widget == this )
+  if ( internal::var::root_widget == this )
     finish();
 }
 
 
 // public methods of FWidget
 //----------------------------------------------------------------------
-FWidget* FWidget::getRootWidget() const
+FWidget* FWidget::getRootWidget()
 {
-  auto obj = const_cast<FWidget*>(this);
+  FWidget* obj = this;
   auto p_obj = getParentWidget();
 
   while ( ! obj->isRootWidget() && p_obj )
@@ -496,7 +505,7 @@ void FWidget::setTopPadding (int top, bool adjust)
   {
     if ( isRootWidget() )
     {
-      auto r = root_widget;
+      auto r = internal::var::root_widget;
       r->wclient_offset.setY1 (r->padding.top);
       adjustSizeGlobal();
     }
@@ -517,7 +526,7 @@ void FWidget::setLeftPadding (int left, bool adjust)
   {
     if ( isRootWidget() )
     {
-      auto r = root_widget;
+      auto r = internal::var::root_widget;
       r->wclient_offset.setX1 (r->padding.left);
       adjustSizeGlobal();
     }
@@ -538,7 +547,7 @@ void FWidget::setBottomPadding (int bottom, bool adjust)
   {
     if ( isRootWidget() )
     {
-      auto r = root_widget;
+      auto r = internal::var::root_widget;
       r->wclient_offset.setY2 (int(r->getHeight()) - 1 - r->padding.bottom);
       adjustSizeGlobal();
     }
@@ -559,7 +568,7 @@ void FWidget::setRightPadding (int right, bool adjust)
   {
     if ( isRootWidget() )
     {
-      auto r = root_widget;
+      auto r = internal::var::root_widget;
       r->wclient_offset.setX2  (int(r->getWidth()) - 1 - r->padding.right);
       adjustSizeGlobal();
     }
@@ -575,8 +584,8 @@ void FWidget::setTermSize (const FSize& size) const
 
   if ( FTerm::isXTerminal() )
   {
-    root_widget->wsize.setRect(FPoint{1, 1}, size);
+    internal::var::root_widget->wsize.setRect(FPoint{1, 1}, size);
-    root_widget->adjust_wsize = root_widget->wsize;
+    internal::var::root_widget->adjust_wsize = internal::var::root_widget->wsize;
     FTerm::setTermSize(size);  // width = columns / height = lines
     detectTermSize();
   }
@@ -885,7 +894,7 @@ void FWidget::redraw()
 
   if ( isRootWidget() )
   {
-    startTerminalUpdate();
+    startDrawing();
     // clean desktop
     auto color_theme = getColorTheme();
     setColor (color_theme->term_fg, color_theme->term_bg);
@@ -902,14 +911,10 @@ void FWidget::redraw()
     drawChildren();
 
   if ( isRootWidget() )
-    finishTerminalUpdate();
+    finishDrawing();
 
   if ( redraw_root_widget == this )
-  {
-    updateTerminal();
-    flush();
     redraw_root_widget = nullptr;
-  }
 }
 
 //----------------------------------------------------------------------
@@ -948,12 +953,12 @@ void FWidget::show()
     return;
 
   // Initialize desktop on first call
-  if ( ! init_desktop && root_widget )
+  if ( ! init_desktop && internal::var::root_widget )
-    root_widget->initDesktop();
+    internal::var::root_widget->initDesktop();
 
   if ( ! show_root_widget )
   {
-    startTerminalUpdate();
+    startDrawing();
     show_root_widget = this;
   }
 
@@ -975,9 +980,11 @@ void FWidget::show()
 
   if ( show_root_widget && show_root_widget == this )
   {
-    finishTerminalUpdate();
+    finishDrawing();
-    updateTerminal();
+
+    if ( processTerminalUpdate() )
       flush();
+
     show_root_widget = nullptr;
   }
 
@@ -1241,8 +1248,8 @@ void FWidget::initTerminal()
 
   // Set default foreground and background color of the desktop/terminal
   auto color_theme = getColorTheme();
-  root_widget->foreground_color = color_theme->term_fg;
+  internal::var::root_widget->foreground_color = color_theme->term_fg;
-  root_widget->background_color = color_theme->term_bg;
+  internal::var::root_widget->background_color = color_theme->term_bg;
   resetColors();
 
   // The terminal is now initialized
@@ -1282,7 +1289,7 @@ void FWidget::adjustSize()
       if ( ignore_padding && ! isDialogWidget() )
         setTermOffset();
       else
-        woffset = root_widget->wclient_offset;
+        woffset = internal::var::root_widget->wclient_offset;
     }
     else if ( ignore_padding && p )
     {
@@ -1322,7 +1329,7 @@ void FWidget::adjustSize()
 }
 
 //----------------------------------------------------------------------
-void FWidget::adjustSizeGlobal() const
+void FWidget::adjustSizeGlobal()
 {
   if ( ! isRootWidget() )
   {
@@ -1364,7 +1371,7 @@ void FWidget::hideArea (const FSize& size)
   if ( size.getWidth() == 0 )
     return;
 
-  for (int y{0}; y < int(size.getHeight()); y++)
+  for (auto y{0}; y < int(size.getHeight()); y++)
   {
     print() << FPoint{1, 1 + y} << FString{size.getWidth(), L' '};
   }
@@ -1678,8 +1685,8 @@ void FWidget::onAccel (FAccelEvent*)
 void FWidget::onResize (FResizeEvent* ev)
 {
   // The terminal was resized
-  root_widget->resize();
+  internal::var::root_widget->resize();
-  root_widget->redraw();
+  internal::var::root_widget->redraw();
   ev->accept();
 }
 
@@ -1737,11 +1744,11 @@ void FWidget::initRootWidget()
   }
 
   // Initialize default widget colors
-  // (before terminal detection and root_widget is set)
+  // (before terminal detection and internal::var::root_widget is set)
   initColorTheme();
 
   // Root widget basic initialization
-  root_widget = this;
+  internal::var::root_widget = this;
   show_root_widget = nullptr;
   redraw_root_widget = nullptr;
   modal_dialog_counter = 0;
@@ -1953,8 +1960,6 @@ bool FWidget::changeFocus ( FWidget* follower, FWidget* parent
     {
       redraw();
       follower->redraw();
-      updateTerminal();
-      flush();
     }
   }
 
@@ -2100,7 +2105,7 @@ void FWidget::setStatusbarText (bool enable) const
 //----------------------------------------------------------------------
 void detectTermSize()
 {
-  const auto& r = root_widget;
+  const auto& r = internal::var::root_widget;
   FTerm::detectTermSize();
   r->adjust_wsize.setRect (1, 1, r->getDesktopWidth(), r->getDesktopHeight());
   r->woffset.setRect (0, 0, r->getDesktopWidth(), r->getDesktopHeight());

src/fwidget_functions.cpp

@@ -451,7 +451,7 @@ inline void drawBox (FWidget* w, const FRect& r)
              << FString{r.getWidth() - 2, fc::BoxDrawingsHorizontal}  // ─
              << fc::BoxDrawingsDownAndLeft;   // ┐
 
-  for (int y = r.getY1() + 1; y < r.getY2(); y++)
+  for (auto y = r.getY1() + 1; y < r.getY2(); y++)
   {
     w->print() << FPoint{r.getX1(), y}
                << fc::BoxDrawingsVertical     // │
@@ -475,7 +475,7 @@ inline void drawNewFontBox (FWidget* w, const FRect& r)
              << FString{r.getWidth() - 2, fc::NF_border_line_horizontal}  // ─
              << fc::NF_border_corner_middle_upper_right;  // ┐
 
-  for (int y = r.getY1() + 1; y < r.getY2(); y++)
+  for (auto y = r.getY1() + 1; y < r.getY2(); y++)
   {
     w->print() << FPoint{r.getX1(), y}
                << fc::NF_border_line_vertical   // │
@@ -497,7 +497,7 @@ inline void drawNewFontListBox (FWidget* w, const FRect& r)
              << FString{r.getWidth() - 2, fc::NF_border_line_horizontal}  // ─
              << fc::NF_border_line_left_down;        // ╷
 
-  for (int y = r.getY1() + 1; y < r.getY2(); y++)
+  for (auto y = r.getY1() + 1; y < r.getY2(); y++)
   {
     w->print() << FPoint{r.getX1(), y}
                << fc::NF_border_line_left   // border left ⎸

src/fwindow.cpp

@@ -247,7 +247,7 @@ void FWindow::drawBorder()
             << FString{r.getWidth() - 2, fc::NF_border_line_upper}  // ¯
             << fc::NF_rev_border_corner_upper_right;                // ⎤
 
-    for (int y = r.getY1() + 1; y < r.getY2(); y++)
+    for (auto y = r.getY1() + 1; y < r.getY2(); y++)
     {
       print() << FPoint{r.getX1(), y}
               << fc::NF_border_line_left        // border left ⎸
@@ -483,7 +483,7 @@ void FWindow::delWindow (const FWidget* obj)
 }
 
 //----------------------------------------------------------------------
-FWindow* FWindow::getWindowWidget (const FWidget* obj)
+FWindow* FWindow::getWindowWidget (FWidget* obj)
 {
   // returns the window object to the given widget obj
   auto p_obj = obj->getParentWidget();
@@ -495,22 +495,19 @@ FWindow* FWindow::getWindowWidget (const FWidget* obj)
   }
 
   if ( obj->isWindowWidget() )
-    return const_cast<FWindow*>(reinterpret_cast<const FWindow*>(obj));
+    return static_cast<FWindow*>(obj);
   else
     return nullptr;
 }
 
 //----------------------------------------------------------------------
-int FWindow::getWindowLayer (const FWidget* obj)
+int FWindow::getWindowLayer (FWidget* obj)
 {
   // returns the window layer from the widget obj
 
   const FWidget* window;
 
-  if ( ! getWindowList() )
+  if ( ! getWindowList() || getWindowList()->empty() )
-    return -1;
-
-  if ( getWindowList()->empty() )
     return -1;
 
   if ( ! obj->isWindowWidget() )
@@ -929,9 +926,6 @@ void closeDropDown (const FWidget* widget, const FPoint& mouse_position)
 
   if ( FWidget::getStatusBar() )
     FWidget::getStatusBar()->drawMessage();
-
-  widget->updateTerminal();
-  FVTerm::flush();
 }
 
 }  // namespace finalcut

src/include/final/fapplication.h

@@ -80,6 +80,7 @@ class FEvent;
 class FFocusEvent;
 class FKeyEvent;
 class FLog;
+class FMouseData;
 class FMouseEvent;
 class FStartOptions;
 class FTimerEvent;
@@ -150,79 +151,6 @@ class FApplication : public FWidget
     virtual void          processExternalUserEvent();
 
   private:
-    // Typedefs
-    typedef std::pair<FObject*, FEvent*> EventPair;
-    typedef std::deque<EventPair> FEventQueue;
-    typedef std::unordered_map<int, std::function<void(char*)>> CmdMap;
-
-    // Methods
-    void                  init();
-    static void           setTerminalEncoding (const FString&);
-    static CmdMap&        mapCmdOptions();
-    static void           cmdOptions (const int&, char*[]);
-    static FStartOptions& getStartOptions();
-    static void           showParameterUsage();
-    void                  destroyLog();
-    void                  findKeyboardWidget() const;
-    bool                  isKeyPressed() const;
-    void                  keyPressed();
-    void                  keyReleased() const;
-    void                  escapeKeyPressed() const;
-    void                  performKeyboardAction();
-    void                  sendEscapeKeyPressEvent() const;
-    bool                  sendKeyDownEvent (FWidget*) const;
-    bool                  sendKeyPressEvent (FWidget*) const;
-    bool                  sendKeyUpEvent (FWidget*) const;
-    void                  sendKeyboardAccelerator() const;
-    void                  processKeyboardEvent() const;
-    bool                  processDialogSwitchAccelerator() const;
-    bool                  processAccelerator (const FWidget* const&) const;
-    bool                  getMouseEvent() const;
-    FWidget*&             determineClickedWidget();
-    void                  unsetMoveSizeMode() const;
-    void                  closeDropDown() const;
-    void                  unselectMenubarItems() const;
-    void                  sendMouseEvent() const;
-    void                  sendMouseMoveEvent ( const FPoint&
-                                             , const FPoint&
-                                             , int ) const;
-    void                  sendMouseLeftClickEvent ( const FPoint&
-                                                  , const FPoint&
-                                                  , int ) const;
-    void                  sendMouseRightClickEvent ( const FPoint&
-                                                   , const FPoint&
-                                                   , int ) const;
-    void                  sendMouseMiddleClickEvent ( const FPoint&
-                                                    , const FPoint&
-                                                    , int ) const;
-    void                  sendWheelEvent (const FPoint&, const FPoint&) const;
-    static FWidget*       processParameters (const int&, char*[]);
-    void                  processMouseEvent();
-    void                  processResizeEvent() const;
-    void                  processCloseWidget();
-    void                  processLogger() const;
-    bool                  processNextEvent();
-    void                  performTimerAction (FObject*, FEvent*) override;
-    static bool           isEventProcessable (const FObject*, const FEvent*);
-    static bool           isNextEventTimeout();
-
-    // Data members
-    int                   app_argc{};
-    char**                app_argv{};
-    uInt64                key_timeout{100000};        // 100 ms
-    uInt64                dblclick_interval{500000};  // 500 ms
-    std::streambuf*       default_clog_rdbuf{std::clog.rdbuf()};
-    FEventQueue           event_queue{};
-    static uInt64         next_event_wait;
-    static timeval        time_last_event;
-    static int            quit_code;
-    static bool           quit_now;
-    static int            loop_level;
-    static bool           process_timer_event;
-    static FMouseControl* mouse;
-    static FKeyboard*     keyboard;
-    static FWidget*       keyboard_widget;
-
 #if defined(__sun) && defined(__SVR4)
     struct CmdOption
     {
@@ -235,9 +163,94 @@ class FApplication : public FWidget
     using CmdOption = struct option;
 #endif
 
-    static const std::vector<CmdOption> long_options;
+    // Typedefs
-};
+    typedef std::pair<FObject*, FEvent*> EventPair;
+    typedef std::deque<EventPair> FEventQueue;
+    typedef std::unordered_map<int, std::function<void(char*)>> CmdMap;
 
+    // Methods
+    void                  init();
+    static void           setTerminalEncoding (const FString&);
+    static void           setLongOptions(std::vector<CmdOption>&);
+    static void           setCmdOptionsMap (CmdMap&);
+    static void           cmdOptions (const int&, char*[]);
+    static FStartOptions& getStartOptions();
+    static void           showParameterUsage();
+    void                  destroyLog();
+    void                  findKeyboardWidget() const;
+    bool                  isKeyPressed() const;
+    void                  keyPressed();
+    void                  keyReleased() const;
+    void                  escapeKeyPressed() const;
+    void                  mouseTracking() const;
+    void                  performKeyboardAction();
+    void                  performMouseAction() const;
+    void                  mouseEvent (const FMouseData&);
+    void                  sendEscapeKeyPressEvent() const;
+    bool                  sendKeyDownEvent (FWidget*) const;
+    bool                  sendKeyPressEvent (FWidget*) const;
+    bool                  sendKeyUpEvent (FWidget*) const;
+    void                  sendKeyboardAccelerator();
+    bool                  hasDataInQueue() const;
+    void                  queuingKeyboardInput() const;
+    void                  queuingMouseInput() const;
+    void                  processKeyboardEvent() const;
+    void                  processMouseEvent() const;
+    bool                  processDialogSwitchAccelerator() const;
+    bool                  processAccelerator (const FWidget&) const;
+    void                  determineClickedWidget (const FMouseData&);
+    void                  unsetMoveSizeMode() const;
+    void                  closeDropDown (const FMouseData&) const;
+    void                  unselectMenubarItems (const FMouseData&) const;
+    void                  sendMouseEvent (const FMouseData&) const;
+    void                  sendMouseMoveEvent ( const FMouseData&
+                                             , const FPoint&
+                                             , const FPoint&
+                                             , int ) const;
+    void                  sendMouseLeftClickEvent ( const FMouseData&
+                                                  , const FPoint&
+                                                  , const FPoint&
+                                                  , int ) const;
+    void                  sendMouseRightClickEvent ( const FMouseData&
+                                                   , const FPoint&
+                                                   , const FPoint&
+                                                   , int ) const;
+    void                  sendMouseMiddleClickEvent ( const FMouseData&
+                                                    , const FPoint&
+                                                    , const FPoint&
+                                                    , int ) const;
+    void                  sendWheelEvent ( const FMouseData&
+                                         , const FPoint&
+                                         , const FPoint& ) const;
+    void                  flushTerminal();
+    static FWidget*       processParameters (const int&, char*[]);
+    void                  processResizeEvent() const;
+    void                  processCloseWidget();
+    void                  processLogger() const;
+    bool                  processNextEvent();
+    void                  performTimerAction (FObject*, FEvent*) override;
+    static bool           isEventProcessable (FObject*, const FEvent*);
+    static bool           isNextEventTimeout();
+
+    // Data members
+    int                   app_argc{};
+    char**                app_argv{};
+    uInt64                key_timeout{100000};        // 100 ms
+    uInt64                dblclick_interval{500000};  // 500 ms
+    std::streambuf*       default_clog_rdbuf{std::clog.rdbuf()};
+    FWidget*              clicked_widget{};
+    FEventQueue           event_queue{};
+    int                   flush_count{0};
+    static uInt64         next_event_wait;
+    static timeval        time_last_event;
+    static int            loop_level;
+    static int            quit_code;
+    static bool           quit_now;
+    static bool           pending_updates;
+    static FMouseControl* mouse;
+    static FKeyboard*     keyboard;
+    static FWidget*       keyboard_widget;
+};
 
 // non-member function forward declarations
 // implemented in fwidget_functions.cpp

src/include/final/fcombobox.h

@@ -216,7 +216,7 @@ class FComboBox : public FWidget
     void                draw() override;
     void                onePosUp();
     void                onePosDown();
-    void                passEventToListWindow (FMouseEvent* const&);
+    void                passEventToListWindow (const FMouseEvent&);
     void                processClick() const;
     void                processChanged() const;
 

src/include/final/fconfig.h

@@ -183,7 +183,7 @@
 
 /* Define to the full name and version of this package. */
 #ifndef F_PACKAGE_STRING
-#define F_PACKAGE_STRING "finalcut 0.6.1"
+#define F_PACKAGE_STRING "finalcut 0.7.0"
 #endif
 
 /* Define to the one symbol short name of this package. */
@@ -198,7 +198,7 @@
 
 /* Define to the version of this package. */
 #ifndef F_PACKAGE_VERSION
-#define F_PACKAGE_VERSION "0.6.1"
+#define F_PACKAGE_VERSION "0.7.0"
 #endif
 
 /* Define to 1 if you have the ANSI C header files. */
@@ -230,7 +230,7 @@
 
 /* Version number of package */
 #ifndef F_VERSION
-#define F_VERSION "0.6.1"
+#define F_VERSION "0.7.0"
 #endif
 
 /* Define to 1 if on MINIX. */

src/include/final/fdialog.h

@@ -195,7 +195,7 @@ class FDialog : public FWindow
     void                  pressZoomButton (const MouseStates&);
     bool                  isMouseOverMenu (const FPoint&) const;
     void                  passEventToSubMenu ( const MouseStates&
-                                             , const FMouseEvent* );
+                                             , const FMouseEvent&& );
     void                  moveSizeKey (FKeyEvent*);
     void                  raiseActivateDialog();
     void                  lowerActivateDialog();

src/include/final/fkeyboard.h

@@ -40,6 +40,7 @@
 #include <array>
 #include <functional>
 #include <memory>
+#include <queue>
 
 #include "final/fkey_map.h"
 #include "final/fstring.h"
@@ -51,6 +52,7 @@ namespace finalcut
 // class forward declaration
 class FApplication;
 class FString;
+class FTermDetection;
 class FTermLinux;
 
 //----------------------------------------------------------------------
@@ -117,6 +119,7 @@ class FKeyboard final
     void                  setTermcapMap (const T&);
     static void           setKeypressTimeout (const uInt64);
     static void           setReadBlockingTime (const uInt64);
+    static void           setNonBlockingInputSupport (bool);
     bool                  setNonBlockingInput (bool);
     bool                  setNonBlockingInput();
     bool                  unsetNonBlockingInput();
@@ -127,18 +130,21 @@ class FKeyboard final
     void                  setPressCommand (const FKeyboardCommand&);
     void                  setReleaseCommand (const FKeyboardCommand&);
     void                  setEscPressedCommand (const FKeyboardCommand&);
+    void                  setMouseTrackingCommand (const FKeyboardCommand&);
 
     // Inquiry
-    bool                  isInputDataPending() const;
+    bool                  hasPendingInput() const;
+    bool                  hasDataInQueue() const;
 
     // Methods
     static void           init();
-    bool&                 unprocessedInput();
+    bool&                 hasUnprocessedInput();
-    bool                  isKeyPressed() const;
+    bool                  isKeyPressed (uInt64 = read_blocking_time);
     void                  clearKeyBuffer();
     void                  clearKeyBufferOnTimeout();
     void                  fetchKeyCode();
     void                  escapeKeyHandling();
+    void                  processQueuedInput();
 
   private:
     // Using-declaration
@@ -146,6 +152,7 @@ class FKeyboard final
 
     // Constants
     static constexpr FKey NOT_SET = static_cast<FKey>(-1);
+    static constexpr std::size_t MAX_QUEUE_SIZE = 32;
 
     // Accessors
     FKey                  getMouseProtocolKey() const;
@@ -167,30 +174,36 @@ class FKeyboard final
     void                  keyPressed() const;
     void                  keyReleased() const;
     void                  escapeKeyPressed() const;
+    void                  mouseTracking() const;
 
     // Data members
     FKeyboardCommand      keypressed_cmd{};
     FKeyboardCommand      keyreleased_cmd{};
     FKeyboardCommand      escape_key_cmd{};
+    FKeyboardCommand      mouse_tracking_cmd{};
 
 #if defined(__linux__)
     #undef linux
     static FTermLinux*    linux;
 #endif
 
+    FTermDetection*       term_detection{nullptr};
     static timeval        time_keypressed;
-    static timeval        time_last_request;
     static uInt64         read_blocking_time;
+    static uInt64         read_blocking_time_short;
     static uInt64         key_timeout;
-    static uInt64         interval_timeout;
+    static bool           non_blocking_input_support;
     FKeyMapPtr            key_map{};
+    std::queue<FKey>      fkey_queue{};
+    FKey                  fkey{0};
     FKey                  key{0};
-    uChar                 read_character{};
+    char                  read_character{};
     char                  fifo_buf[FIFO_BUF_SIZE]{'\0'};
     int                   fifo_offset{0};
     int                   stdin_status_flags{0};
+    bool                  has_pending_input{false};
     bool                  fifo_in_use{false};
-    bool                  input_data_pending{false};
+    bool                  unprocessed_buffer_data{false};
     bool                  utf8_input{false};
     bool                  mouse_support{true};
     bool                  non_blocking_stdin{false};
@@ -234,6 +247,10 @@ inline void FKeyboard::setKeypressTimeout (const uInt64 timeout)
 inline void FKeyboard::setReadBlockingTime (const uInt64 blocking_time)
 { read_blocking_time = blocking_time; }
 
+//----------------------------------------------------------------------
+inline void FKeyboard::setNonBlockingInputSupport (bool enable)
+{ non_blocking_input_support = enable; }
+
 //----------------------------------------------------------------------
 inline bool FKeyboard::setNonBlockingInput()
 { return setNonBlockingInput(true); }
@@ -243,8 +260,12 @@ inline bool FKeyboard::unsetNonBlockingInput()
 { return setNonBlockingInput(false); }
 
 //----------------------------------------------------------------------
-inline bool FKeyboard::isInputDataPending() const
+inline bool FKeyboard::hasPendingInput() const
-{ return input_data_pending; }
+{ return has_pending_input; }
+
+//----------------------------------------------------------------------
+inline bool FKeyboard::hasDataInQueue() const
+{ return ! fkey_queue.empty(); }
 
 //----------------------------------------------------------------------
 inline void FKeyboard::enableUTF8()
@@ -274,6 +295,10 @@ inline void FKeyboard::setReleaseCommand (const FKeyboardCommand& cmd)
 inline void FKeyboard::setEscPressedCommand (const FKeyboardCommand& cmd)
 { escape_key_cmd = cmd; }
 
+//----------------------------------------------------------------------
+inline void FKeyboard::setMouseTrackingCommand (const FKeyboardCommand& cmd)
+{ mouse_tracking_cmd = cmd; }
+
 }  // namespace finalcut
 
 #endif  // FKEYBOARD_H

src/include/final/flistview.h

@@ -213,10 +213,10 @@ inline bool FListViewItem::isCheckable() const
 class FListViewIterator
 {
   public:
-    // Typedefs
+    // Using-declarations
-    typedef std::list<FObject*>   FObjectList;
+    using FObjectList    = std::list<FObject*>;
-    typedef FObjectList::iterator iterator;
+    using iterator       = FObjectList::iterator;
-    typedef std::stack<iterator>  iterator_stack;
+    using iterator_stack = std::stack<iterator>;
 
     // Constructor
     FListViewIterator ();

src/include/final/flog.h

@@ -108,7 +108,7 @@ class FLog : public std::stringbuf
     // Data member
     LogLevel     level{Info};
     LineEnding   end_of_line{CRLF};
-    std::mutex   mut;
+    std::mutex   mut{};
     FLogPrint    current_log{std::bind(&FLog::info, this, std::placeholders::_1)};
     std::ostream stream{this};
 

src/include/final/fmenu.h

@@ -192,9 +192,9 @@ class FMenu : public FWindow, public FMenuList
     void         mouseMoveDeselection (FMenuItem*, MouseStates&);
     void         mouseUpOverBorder();
     void         mouseMoveOverBorder (MouseStates&) const;
-    void         passEventToSubMenu (FMouseEvent* const&);
+    void         passEventToSubMenu (const FMouseEvent&&);
-    void         passEventToSuperMenu (FMouseEvent* const&);
+    void         passEventToSuperMenu (const FMouseEvent&&);
-    void         passEventToMenuBar (FMouseEvent* const&) const;
+    void         passEventToMenuBar (const FMouseEvent&&) const;
     bool         containsMenuStructure (const FPoint&);
     bool         containsMenuStructure (int, int);
     FMenu*       superMenuAt (const FPoint&);

src/include/final/fmenubar.h

@@ -139,8 +139,8 @@ class FMenuBar : public FWindow, public FMenuList
     void          selectMenuItem (FMenuItem*);
     void          mouseDownOverList (const FMouseEvent*);
     void          mouseUpOverList (const FMouseEvent*);
-    void          mouseMoveOverList (const FMouseEvent*);
+    void          mouseMoveOverList (const FMouseEvent&&);
-    void          passEventToMenu (const FMouseEvent* const&) const;
+    void          passEventToMenu (const FMouseEvent&&) const;
     void          leaveMenuBar();
 
     // Data members

src/include/final/fmouse.h

@@ -23,6 +23,11 @@
 /*  Inheritance diagram
  *  ═══════════════════
  *
+ *                     ▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
+ *                     ▕  FMouseData  ▏
+ *                     ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
+ *                            ▲
+ *                            │
  *                       ▕▔▔▔▔▔▔▔▔▔▔▏
  *                       ▕  FMouse  ▏
  *                       ▕▁▁▁▁▁▁▁▁▁▁▏
@@ -61,7 +66,9 @@
 #endif
 
 #include <cstddef>
+#include <functional>
 #include <map>
+#include <queue>
 
 #include "final/fkeyboard.h"
 #include "final/fpoint.h"
@@ -78,63 +85,47 @@ namespace finalcut
 {
 
 //----------------------------------------------------------------------
-// class FMouse
+// class FMouseData
 //----------------------------------------------------------------------
-
+class FMouseData
-class FMouse
 {
   public:
-    // Enumeration
-    enum mouse_type
-    {
-      none  = 0,
-      gpm   = 1,
-      x11   = 2,
-      sgr   = 3,
-      urxvt = 4
-    };
-
-    // Constructor
-    FMouse();
-
-    // Destructor
-    virtual ~FMouse()
-    { }
-
     // Accessors
     virtual FString       getClassName() const;
     const FPoint&         getPos() const;
-    void                  clearEvent();
 
-    // Mutators
+    // Constructor
-    void                  setMaxWidth (uInt16);
+    FMouseData();
-    void                  setMaxHeight (uInt16);
+
-    void                  setDblclickInterval (const uInt64);
+    // Default copy constructor
+    FMouseData (const FMouseData&) = default;
+    // Default move constructor
+    FMouseData (FMouseData&&) = default;
+    // Default copy assignment operator (=)
+    FMouseData& operator = (const FMouseData&) = default;
+    // Default move assignment operator (=)
+    FMouseData& operator = (FMouseData&&) = default;
+
+    // Destructor
+    virtual ~FMouseData();
 
     // Inquiries
-    virtual bool          hasData() = 0;
+    bool                  isLeftButtonPressed() const;
-    bool                  hasEvent() const;
+    bool                  isLeftButtonReleased() const;
-    bool                  isLeftButtonPressed();
+    bool                  isLeftButtonDoubleClick() const;
-    bool                  isLeftButtonReleased();
+    bool                  isRightButtonPressed() const;
-    bool                  isLeftButtonDoubleClick();
+    bool                  isRightButtonReleased() const;
-    bool                  isRightButtonPressed();
+    bool                  isMiddleButtonPressed() const;
-    bool                  isRightButtonReleased();
+    bool                  isMiddleButtonReleased() const;
-    bool                  isMiddleButtonPressed();
+    bool                  isShiftKeyPressed() const;
-    bool                  isMiddleButtonReleased();
+    bool                  isControlKeyPressed() const;
-    bool                  isShiftKeyPressed();
+    bool                  isMetaKeyPressed() const;
-    bool                  isControlKeyPressed();
+    bool                  isWheelUp() const;
-    bool                  isMetaKeyPressed();
+    bool                  isWheelDown() const;
-    bool                  isWheelUp();
+    bool                  isMoved() const;
-    bool                  isWheelDown();
-    bool                  isMoved();
-    bool                  isInputDataPending() const;
 
     // Methods
-    template <typename ClassT>
-    static FMouse*        createMouseObject ();
     void                  clearButtonState();
-    virtual void          setRawData (FKeyboard::keybuffer&) = 0;
-    virtual void          processEvent (struct timeval*) = 0;
 
   protected:
     // Typedef and Enumerations
@@ -162,6 +153,63 @@ class FMouse
 
     // Accessors
     FMouseButton&       getButtonState();
+    const FMouseButton& getButtonState() const;
+
+    // Mutator
+    void                setPos (const FPoint&);
+
+  private:
+    // Data members
+    FMouseButton        b_state{};
+    FPoint              mouse{0, 0};  // mouse click position
+};
+
+
+//----------------------------------------------------------------------
+// class FMouse
+//----------------------------------------------------------------------
+
+class FMouse : public FMouseData
+{
+  public:
+    // Enumeration
+    enum mouse_type
+    {
+      none  = 0,
+      gpm   = 1,
+      x11   = 2,
+      sgr   = 3,
+      urxvt = 4
+    };
+
+    // Constructor
+    FMouse();
+
+    // Destructor
+    ~FMouse() override;
+
+    // Accessors
+    FString               getClassName() const override;
+    void                  clearEvent();
+
+    // Mutators
+    void                  setMaxWidth (uInt16);
+    void                  setMaxHeight (uInt16);
+    void                  setDblclickInterval (const uInt64);
+
+    // Inquiries
+    virtual bool          hasData() = 0;
+    bool                  hasEvent() const;
+    bool                  hasUnprocessedInput() const;
+
+    // Methods
+    template <typename ClassT>
+    static FMouse*        createMouseObject ();
+    virtual void          setRawData (FKeyboard::keybuffer&) = 0;
+    virtual void          processEvent (struct timeval*) = 0;
+
+  protected:
+    // Accessors
     const FPoint&         getNewPos() const;
     uInt16                getMaxWidth() const;
     uInt16                getMaxHeight() const;
@@ -169,7 +217,6 @@ class FMouse
     timeval*              getMousePressedTime();
 
     // Mutator
-    void                setPos (const FPoint&);
     void                   setNewPos (int, int);
     void                   setPending (bool);
     void                   setEvent();
@@ -181,14 +228,12 @@ class FMouse
 
   private:
     // Data members
-    FMouseButton        b_state{};
     bool                   mouse_event_occurred{false};
-    bool                input_data_pending{false};
+    bool                   unprocessed_buffer_data{false};
     uInt16                 max_width{80};
     uInt16                 max_height{25};
     uInt64                 dblclick_interval{500000};  // 500 ms
     struct timeval         time_mousepressed{};
-    FPoint              mouse{0, 0};       // mouse click position
     FPoint                 new_mouse_position{};
 };
 
@@ -446,6 +491,32 @@ class FMouseUrxvt final : public FMouse
 };
 
 
+//----------------------------------------------------------------------
+// class FMouseCommand
+//----------------------------------------------------------------------
+
+class FMouseCommand final
+{
+  public:
+    // Constructors
+    FMouseCommand () = default;
+    explicit FMouseCommand (const std::function<void(const FMouseData&)>& fn)
+      : handler(fn)
+    { }
+
+    // Method
+    template <typename T>
+    void execute(T&& arg) const
+    {
+      handler(std::forward<T>(arg));
+    }
+
+  private:
+    // Data members
+    std::function<void(const FMouseData&)> handler{};
+};
+
+
 //----------------------------------------------------------------------
 // class FMouseControl
 //----------------------------------------------------------------------
@@ -475,6 +546,7 @@ class FMouseControl
     void                      setMaxWidth (uInt16);
     void                      setMaxHeight (uInt16);
     void                      setDblclickInterval (const uInt64);
+    void                      setEventCommand (const FMouseCommand&);
     void                      useGpmMouse (bool = true);
     void                      useXtermMouse (bool = true);
 
@@ -494,7 +566,8 @@ class FMouseControl
     bool                      isWheelUp();
     bool                      isWheelDown();
     bool                      isMoved();
-    bool                  isInputDataPending();
+    bool                      hasUnprocessedInput();
+    bool                      hasDataInQueue() const;
     bool                      isGpmMouseEnabled();
 
     // Methods
@@ -503,12 +576,14 @@ class FMouseControl
     virtual void              setRawData ( FMouse::mouse_type
                                          , FKeyboard::keybuffer& );
     virtual void              processEvent (struct timeval* time);
+    void                      processQueuedInput();
     bool                      getGpmKeyPressed (bool);
     void                      drawGpmPointer();
 
   private:
     // Typedef
     typedef std::map<FMouse::mouse_type, FMouse*> FMouseProtocol;
+    typedef std::unique_ptr<FMouseData> FMouseDataPtr;
 
     // Accessor
     FMouse*                   getMouseWithData();
@@ -519,6 +594,8 @@ class FMouseControl
 
     // Data member
     FMouseProtocol            mouse_protocol{};
+    FMouseCommand             event_cmd{};
+    std::queue<FMouseDataPtr> fmousedata_queue{};
     FPoint                    zero_point{0, 0};
     bool                      use_gpm_mouse{false};
     bool                      use_xterm_mouse{false};
@@ -529,6 +606,14 @@ class FMouseControl
 inline FString FMouseControl::getClassName() const
 { return "FMouseControl"; }
 
+//----------------------------------------------------------------------
+inline void FMouseControl::setEventCommand (const FMouseCommand& cmd)
+{ event_cmd = cmd; }
+
+//----------------------------------------------------------------------
+inline bool FMouseControl::hasDataInQueue() const
+{ return ! fmousedata_queue.empty(); }
+
 //----------------------------------------------------------------------
 inline void FMouseControl::enableXTermMouse() const
 { xtermMouse(true); }

src/include/final/fobject.h

@@ -73,10 +73,12 @@ class FUserEvent;
 class FObject
 {
   public:
-    // Typedef
+    // Using-declarations
-    typedef std::list<FObject*>         FObjectList;
+    using FObjectList     = std::list<FObject*>;
-    typedef FObjectList::iterator       iterator;
+    using iterator        = FObjectList::iterator;
-    typedef FObjectList::const_iterator const_iterator;
+    using const_iterator  = FObjectList::const_iterator;
+    using reference       = FObjectList::reference;
+    using const_reference = FObjectList::const_reference;
 
     // Constants
     static constexpr auto UNLIMITED = static_cast<std::size_t>(-1);
@@ -105,6 +107,10 @@ class FObject
     iterator              end();
     const_iterator        begin() const;
     const_iterator        end() const;
+    reference             front();
+    reference             back();
+    const_reference       front() const;
+    const_reference       back() const;
 
     // Mutator
     void                  setMaxChildren (std::size_t);
@@ -215,6 +221,22 @@ inline FObject::const_iterator FObject::begin() const
 inline FObject::const_iterator FObject::end() const
 { return children_list.end(); }
 
+//----------------------------------------------------------------------
+inline FObject::reference FObject::front()
+{ return children_list.front(); }
+
+//----------------------------------------------------------------------
+inline FObject::reference FObject::back()
+{ return children_list.back(); }
+
+//----------------------------------------------------------------------
+inline FObject::const_reference FObject::front() const
+{ return children_list.front(); }
+
+//----------------------------------------------------------------------
+inline FObject::const_reference FObject::back() const
+{ return children_list.back(); }
+
 //----------------------------------------------------------------------
 inline void FObject::setMaxChildren (std::size_t max)
 { max_children = max; }

src/include/final/foptiattr.h

@@ -152,12 +152,12 @@ class FOptiAttr final
     void          set_orig_orig_colors (const char[]);
 
     // Inquiry
-    static bool   isNormal (const FChar* const&);
+    static bool   isNormal (const FChar&);
 
     // Methods
     void          initialize();
     static FColor vga2ansi (FColor);
-    const char*   changeAttribute (FChar*&, FChar*&);
+    const char*   changeAttribute (FChar&, FChar&);
 
   private:
     // Typedefs and Enumerations
@@ -202,62 +202,62 @@ class FOptiAttr final
     };
 
     // Mutators
-    bool          setTermBold (FChar*&);
+    bool          setTermBold (FChar&);
-    bool          unsetTermBold (FChar*&);
+    bool          unsetTermBold (FChar&);
-    bool          setTermDim (FChar*&);
+    bool          setTermDim (FChar&);
-    bool          unsetTermDim (FChar*&);
+    bool          unsetTermDim (FChar&);
-    bool          setTermItalic (FChar*&);
+    bool          setTermItalic (FChar&);
-    bool          unsetTermItalic (FChar*&);
+    bool          unsetTermItalic (FChar&);
-    bool          setTermUnderline (FChar*&);
+    bool          setTermUnderline (FChar&);
-    bool          unsetTermUnderline (FChar*&);
+    bool          unsetTermUnderline (FChar&);
-    bool          setTermBlink (FChar*&);
+    bool          setTermBlink (FChar&);
-    bool          unsetTermBlink (FChar*&);
+    bool          unsetTermBlink (FChar&);
-    bool          setTermReverse (FChar*&);
+    bool          setTermReverse (FChar&);
-    bool          unsetTermReverse (FChar*&);
+    bool          unsetTermReverse (FChar&);
-    bool          setTermStandout (FChar*&);
+    bool          setTermStandout (FChar&);
-    bool          unsetTermStandout (FChar*&);
+    bool          unsetTermStandout (FChar&);
-    bool          setTermInvisible (FChar*&);
+    bool          setTermInvisible (FChar&);
-    bool          unsetTermInvisible (FChar*&);
+    bool          unsetTermInvisible (FChar&);
-    bool          setTermProtected (FChar*&);
+    bool          setTermProtected (FChar&);
-    bool          unsetTermProtected (FChar*&);
+    bool          unsetTermProtected (FChar&);
-    bool          setTermCrossedOut (FChar*&);
+    bool          setTermCrossedOut (FChar&);
-    bool          unsetTermCrossedOut (FChar*&);
+    bool          unsetTermCrossedOut (FChar&);
-    bool          setTermDoubleUnderline (FChar*&);
+    bool          setTermDoubleUnderline (FChar&);
-    bool          unsetTermDoubleUnderline (FChar*&);
+    bool          unsetTermDoubleUnderline (FChar&);
-    bool          setTermAttributes ( FChar*&
+    bool          setTermAttributes ( FChar&
                                     , bool, bool, bool
                                     , bool, bool, bool
                                     , bool, bool, bool );
-    bool          unsetTermAttributes (FChar*&);
+    bool          unsetTermAttributes (FChar&);
-    bool          setTermAltCharset (FChar*&);
+    bool          setTermAltCharset (FChar&);
-    bool          unsetTermAltCharset (FChar*&);
+    bool          unsetTermAltCharset (FChar&);
-    bool          setTermPCcharset (FChar*&);
+    bool          setTermPCcharset (FChar&);
-    bool          unsetTermPCcharset (FChar*&);
+    bool          unsetTermPCcharset (FChar&);
-    bool          setTermDefaultColor (FChar*&);
+    bool          setTermDefaultColor (FChar&);
-    void          setAttributesOn (FChar*&);
+    void          setAttributesOn (FChar&);
-    void          setAttributesOff (FChar*&);
+    void          setAttributesOff (FChar&);
 
     // Inquiries
-    static bool   hasColor (const FChar* const&);
+    static bool   hasColor (const FChar&);
-    static bool   hasAttribute (const FChar* const&);
+    static bool   hasAttribute (const FChar&);
-    static bool   hasNoAttribute (const FChar* const&);
+    static bool   hasNoAttribute (const FChar&);
 
     // Methods
-    bool          hasColorChanged (const FChar* const&, const FChar* const&) const;
+    bool          hasColorChanged (const FChar&, const FChar&) const;
-    void          resetColor (FChar*&) const;
+    void          resetColor (FChar&) const;
-    void          prevent_no_color_video_attributes (FChar*&, bool = false);
+    void          prevent_no_color_video_attributes (FChar&, bool = false);
-    void          deactivateAttributes (FChar*&, FChar*&);
+    void          deactivateAttributes (FChar&, FChar&);
-    void          changeAttributeSGR (FChar*&, FChar*&);
+    void          changeAttributeSGR (FChar&, FChar&);
-    void          changeAttributeSeparately (FChar*&, FChar*&);
+    void          changeAttributeSeparately (FChar&, FChar&);
-    void          change_color (FChar*&, FChar*&);
+    void          change_color (FChar&, FChar&);
-    void          change_to_default_color (FChar*&, FChar*&, FColor&, FColor&);
+    void          change_to_default_color (FChar&, FChar&, FColor&, FColor&);
-    void          change_current_color (const FChar* const&, FColor, FColor);
+    void          change_current_color (const FChar&, FColor, FColor);
-    void          resetAttribute (FChar*&) const;
+    void          resetAttribute (FChar&) const;
-    void          reset (FChar*&) const;
+    void          reset (FChar&) const;
     bool          caused_reset_attributes (const char[], uChar = all_tests) const;
     bool          hasCharsetEquivalence() const;
-    void          detectSwitchOn (const FChar* const&, const FChar* const&);
+    void          detectSwitchOn (const FChar&, const FChar&);
-    void          detectSwitchOff (const FChar* const&, const FChar* const&);
+    void          detectSwitchOff (const FChar&, const FChar&);
     bool          switchOn() const;
     bool          switchOff() const;
     bool          append_sequence (const char[]);

src/include/final/fscrollview.h

@@ -157,7 +157,7 @@ class FScrollView : public FWidget
     static constexpr int horizontal_border_spacing = 2;
 
     // Accessors
-    FPoint              getViewportCursorPos() const;
+    FPoint              getViewportCursorPos();
 
     // Methods
     void                init();
@@ -169,7 +169,7 @@ class FScrollView : public FWidget
                                       , Callback );
     void                setHorizontalScrollBarVisibility() const;
     void                setVerticalScrollBarVisibility() const;
-    void                setViewportCursor() const;
+    void                setViewportCursor();
 
     // Callback methods
     void                cb_vbarChange (const FWidget*);

src/include/final/fstring.h

@@ -79,9 +79,11 @@ typedef std::vector<FString> FStringList;
 class FString
 {
   public:
-    // Typedef
+    // Using-declarations
-    typedef const wchar_t* const_iterator;
+    using iterator        = wchar_t*;
-    typedef wchar_t* iterator;
+    using const_iterator  = const wchar_t*;
+    using reference       = wchar_t&;
+    using const_reference = const wchar_t&;
 
     // Constructors
     FString () = default;
@@ -112,8 +114,11 @@ class FString
     FString& operator << (const wchar_t);
     FString& operator << (const char);
     template <typename NumT
-            , typename std::enable_if< std::is_integral<NumT>::value
+            , typename std::enable_if< ( std::is_integral<NumT>::value
-                                    || std::is_floating_point<NumT>::value
+                                    && ! std::is_same<NumT, bool>::value
+                                    && ! std::is_pointer<NumT>::value )
+                                    || ( std::is_floating_point<NumT>::value
+                                    && ! std::is_pointer<NumT>::value )
                                      , int>::type = 0 >
     FString& operator << (const NumT);
 
@@ -132,9 +137,9 @@ class FString
     const FString& operator >> (float&) const;
 
     template <typename IndexT>
-    wchar_t&       operator [] (const IndexT);
+    reference       operator [] (const IndexT);
     template <typename IndexT>
-    const wchar_t& operator [] (const IndexT) const;
+    const_reference operator [] (const IndexT) const;
     explicit        operator bool () const;
     const FString&  operator () () const;
 
@@ -157,8 +162,6 @@ class FString
     template <typename CharT>
     bool operator >  (const CharT&) const;
 
-    operator const char* () const { return c_str(); }
-
     // Accessor
     virtual FString getClassName() const;
 
@@ -175,8 +178,10 @@ class FString
     iterator end();
     const_iterator begin() const;
     const_iterator end() const;
-    wchar_t  front() const;
+    reference front();
-    wchar_t  back() const;
+    reference back() ;
+    const_reference front() const;
+    const_reference back() const;
 
     template <typename... Args>
     FString& sprintf (const FString&, Args&&...);
@@ -263,14 +268,6 @@ class FString
 
     // Friend Non-member operator functions
     friend FString operator + (const FString&, const FString&);
-    friend FString operator + (const FString&, const wchar_t);
-    friend FString operator + (const std::wstring&, const FString&);
-    friend FString operator + (const wchar_t[], const FString&);
-    friend FString operator + (const std::string&, const FString&);
-    friend FString operator + (const char[], const FString&);
-    friend FString operator + (const wchar_t, const FString&);
-    friend FString operator + (const char, const FString&);
-    friend FString operator + (const FString&, const char);
 
     friend std::ostream&  operator << (std::ostream&, const FString&);
     friend std::istream&  operator >> (std::istream&, FString& s);
@@ -282,8 +279,11 @@ class FString
 // FString inline functions
 //----------------------------------------------------------------------
 template <typename NumT
-        , typename std::enable_if< std::is_integral<NumT>::value
+        , typename std::enable_if< ( std::is_integral<NumT>::value
-                                || std::is_floating_point<NumT>::value
+                                && ! std::is_same<NumT, bool>::value
+                                && ! std::is_pointer<NumT>::value )
+                                || ( std::is_floating_point<NumT>::value
+                                && ! std::is_pointer<NumT>::value )
                                  , int>::type >
 inline FString& FString::operator << (const NumT val)
 {
@@ -294,7 +294,7 @@ inline FString& FString::operator << (const NumT val)
 
 //----------------------------------------------------------------------
 template <typename IndexT>
-inline wchar_t& FString::operator [] (const IndexT pos)
+inline FString::reference FString::operator [] (const IndexT pos)
 {
   if ( isNegative(pos) || pos > IndexT(length) )
     throw std::out_of_range("");  // Invalid index position
@@ -307,7 +307,7 @@ inline wchar_t& FString::operator [] (const IndexT pos)
 
 //----------------------------------------------------------------------
 template <typename IndexT>
-inline const wchar_t& FString::operator [] (const IndexT pos) const
+inline FString::const_reference FString::operator [] (const IndexT pos) const
 {
   if ( isNegative(pos) || pos > IndexT(length) )
     throw std::out_of_range("");  // Invalid index position
@@ -403,17 +403,31 @@ inline FString::const_iterator FString::end() const
 { return string + length; }
 
 //----------------------------------------------------------------------
-inline wchar_t FString::front() const
+inline FString::reference FString::front()
 {
   assert ( ! isEmpty() );
-  return string[0];
+  return (*this)[0];
 }
 
 //----------------------------------------------------------------------
-inline wchar_t FString::back() const
+inline FString::reference FString::back()
 {
   assert( ! isEmpty() );
-  return string[length - 1];
+  return (*this)[length - 1];
+}
+
+//----------------------------------------------------------------------
+inline FString::const_reference FString::front() const
+{
+  assert ( ! isEmpty() );
+  return (*this)[0];
+}
+
+//----------------------------------------------------------------------
+inline FString::const_reference FString::back() const
+{
+  assert( ! isEmpty() );
+  return (*this)[length - 1];
 }
 
 //----------------------------------------------------------------------

src/include/final/fstringstream.h

@@ -83,7 +83,7 @@ class FStringStream : public std::wiostream
     virtual FString getClassName() const;
     void swap (FStringStream&) noexcept;
     void clear();
-    std::wstringbuf* rdbuf() const;
+    std::wstringbuf* rdbuf();
     FString str() const;
 
   private:
@@ -101,12 +101,12 @@ inline void FStringStream::clear()
 { buffer.str(L""); }
 
 //----------------------------------------------------------------------
-inline std::wstringbuf* FStringStream::rdbuf() const
+inline std::wstringbuf* FStringStream::rdbuf()
-{ return const_cast<std::wstringbuf*>(&buffer); }
+{ return &buffer; }
 
 //----------------------------------------------------------------------
 inline FString FStringStream::str() const
-{ return buffer.str(); }
+{ return FString{buffer.str()}; }
 
 
 // FStringStream non-member function

src/include/final/fterm.h

@@ -216,7 +216,7 @@ class FTerm final
 #endif
 
     // Inquiries
-    static bool              isNormal (const FChar* const&);
+    static bool              isNormal (const FChar&);
     static bool              isRaw();
     static bool              hasUTF8();
     static bool              hasVT100();
@@ -304,7 +304,7 @@ class FTerm final
 
     void                     initTerminal();
     static void              initScreenSettings();
-    static const char*       changeAttribute (FChar*&, FChar*&);
+    static const char*       changeAttribute (FChar&, FChar&);
     static void              changeTermSizeFinished();
 
   private:

src/include/final/ftermbuffer.h

@@ -56,10 +56,12 @@ class FColorPair;
 class FTermBuffer
 {
   public:
-    // Typedef
+    // Using-declarations
-    typedef std::vector<FChar>          FCharVector;
+    using FCharVector     = std::vector<FChar>;
-    typedef FCharVector::iterator       iterator;
+    using iterator        = FCharVector::iterator;
-    typedef FCharVector::const_iterator const_iterator;
+    using const_iterator  = FCharVector::const_iterator;
+    using reference       = FCharVector::reference;
+    using const_reference = FCharVector::const_reference;
 
     // Constructor
     FTermBuffer() = default;
@@ -91,8 +93,10 @@ class FTermBuffer
     iterator               end();
     const_iterator         begin() const;
     const_iterator         end() const;
-    FChar                  front() const;
+    reference              front();
-    FChar                  back() const;
+    reference              back();
+    const_reference        front() const;
+    const_reference        back() const;
     FString                toString() const;
     void                   clear();
     template <typename... Args>
@@ -201,11 +205,19 @@ inline FTermBuffer::const_iterator FTermBuffer::end() const
 { return data.end(); }
 
 //----------------------------------------------------------------------
-inline FChar FTermBuffer::front() const
+inline FTermBuffer::reference FTermBuffer::front()
 { return data.front(); }
 
 //----------------------------------------------------------------------
-inline FChar FTermBuffer::back() const
+inline FTermBuffer::reference FTermBuffer::back()
+{ return data.back(); }
+
+//----------------------------------------------------------------------
+inline FTermBuffer::const_reference FTermBuffer::front() const
+{ return data.front(); }
+
+//----------------------------------------------------------------------
+inline FTermBuffer::const_reference FTermBuffer::back() const
 { return data.back(); }
 
 //----------------------------------------------------------------------

src/include/final/ftermcap.h

@@ -137,7 +137,6 @@ class FTermcap final
     // Constant
     static constexpr std::size_t BUF_SIZE{2048};
 
-
     // Methods
     static void          termcap();
     static void          termcapError (int);

src/include/final/fvterm.h

@@ -50,7 +50,6 @@
 
 #include <sys/time.h>  // need for timeval (cygwin)
 
-#include <queue>
 #include <string>
 #include <utility>
 #include <vector>
@@ -255,7 +254,7 @@ class FVTerm
     void                  createVTerm (const FSize&);
     void                  resizeVTerm (const FSize&) const;
     void                  putVTerm() const;
-    void                  updateTerminal() const;
+    bool                  updateTerminal() const;
     virtual void          addPreprocessingHandler ( const FVTerm*
                                                   , const FPreprocessingFunction& );
     virtual void          delPreprocessingHandler (const FVTerm*);
@@ -318,9 +317,9 @@ class FVTerm
     void                  scrollAreaForward (FTermArea*) const;
     void                  scrollAreaReverse (FTermArea*) const;
     void                  clearArea (FTermArea*, int = ' ') const;
-    void                  processTerminalUpdate() const;
+    bool                  processTerminalUpdate() const;
-    static void           startTerminalUpdate();
+    static void           startDrawing();
-    static void           finishTerminalUpdate();
+    static void           finishDrawing();
     virtual void          initTerminal();
 
   private:
@@ -340,7 +339,8 @@ class FVTerm
 
     // Constants
     //   Buffer size for character output on the terminal
-    static constexpr uInt TERMINAL_OUTPUT_BUFFER_SIZE = 32768;
+    static constexpr uInt TERMINAL_OUTPUT_BUFFER_SIZE = 131072;
+    static constexpr int max_skip = 20;
 
     // Methods
     void                  resetTextAreaToDefault ( const FTermArea*
@@ -351,20 +351,11 @@ class FVTerm
     static bool           reallocateTextArea ( FTermArea*
                                              , std::size_t );
     static covered_state  isCovered (const FPoint&, const FTermArea*);
-    static void           updateOverlappedColor ( const FTermArea*
+    static void           updateOverlappedColor (const FChar&, const FChar&, FChar&);
-                                                , const FPoint&
+    static void           updateOverlappedCharacter (FChar&, FChar&);
-                                                , const FPoint& );
+    static void           updateShadedCharacter (const FChar&, FChar&, FChar&);
-    static void           updateOverlappedCharacter ( const FTermArea*
+    static void           updateInheritBackground (const FChar&, const FChar&, FChar&);
-                                                    , const FPoint& );
+    static void           updateCharacter (const FChar&, FChar&);
-    static void           updateShadedCharacter ( const FTermArea*
-                                                , const FPoint&
-                                                , const FPoint& );
-    static void           updateInheritBackground ( const FTermArea*
-                                                  , const FPoint&
-                                                  , const FPoint& );
-    static void           updateCharacter ( const FTermArea*
-                                          , const FPoint&
-                                          , const FPoint& );
     static bool           updateVTermCharacter ( const FTermArea*
                                                , const FPoint&
                                                , const FPoint& );
@@ -376,15 +367,15 @@ class FVTerm
     static FChar          generateCharacter (const FPoint&);
     static FChar          getCharacter ( character_type
                                        , const FPoint&
-                                       , FVTerm* );
+                                       , const FTermArea* );
-    static FChar          getCoveredCharacter (const FPoint&, FVTerm*);
+    static FChar          getCoveredCharacter (const FPoint&, const FTermArea*);
-    static FChar          getOverlappedCharacter (const FPoint&, FVTerm*);
+    static FChar          getOverlappedCharacter (const FPoint&, const FTermArea*);
     void                  init();
     static void           init_characterLengths (const FOptiMove*);
     void                  finish();
-    static void           putAreaLine (const FChar*, FChar*, int);
+    static void           putAreaLine (const FChar&, FChar&, std::size_t);
-    static void           putAreaCharacter ( const FPoint&, FVTerm*
+    static void           putAreaCharacter ( const FPoint&, const FTermArea*
-                                           , const FChar*, FChar* );
+                                           , const FChar&, FChar& );
     static void           getAreaCharacter ( const FPoint&, const FTermArea*
                                            , FChar*& );
     bool                  clearTerm (int = ' ') const;
@@ -395,47 +386,52 @@ class FVTerm
     static bool           canClearTrailingWS (uInt&, uInt);
     bool                  skipUnchangedCharacters (uInt&, uInt, uInt) const;
     void                  printRange (uInt, uInt, uInt, bool) const;
-    void                  replaceNonPrintableFullwidth (uInt, FChar*&) const;
+    void                  replaceNonPrintableFullwidth (uInt, FChar&) const;
-    void                  printCharacter (uInt&, uInt, bool, FChar*&) const;
+    void                  printCharacter (uInt&, uInt, bool, FChar&) const;
-    void                  printFullWidthCharacter (uInt&, uInt, FChar*&) const;
+    void                  printFullWidthCharacter (uInt&, uInt, FChar&) const;
-    void                  printFullWidthPaddingCharacter (uInt&, uInt, FChar*&) const;
+    void                  printFullWidthPaddingCharacter (uInt&, uInt, FChar&) const;
-    void                  printHalfCovertFullWidthCharacter (uInt&, uInt, FChar*&) const;
+    void                  printHalfCovertFullWidthCharacter (uInt&, uInt, FChar&) const;
-    void                  skipPaddingCharacter (uInt&, uInt, const FChar* const&) const;
+    void                  skipPaddingCharacter (uInt&, uInt, const FChar&) const;
     exit_state            eraseCharacters (uInt&, uInt, uInt, bool) const;
     exit_state            repeatCharacter (uInt&, uInt, uInt) const;
-    bool                  isFullWidthChar (const FChar* const&) const;
+    bool                  isFullWidthChar (const FChar&) const;
-    bool                  isFullWidthPaddingChar (const FChar* const&) const;
+    bool                  isFullWidthPaddingChar (const FChar&) const;
     static void           cursorWrap();
     bool                  printWrap (FTermArea*) const;
+    void                  printCharacterOnCoordinate ( FTermArea*
+                                                     , const int&
+                                                     , const int&
+                                                     , const FChar&) const;
     void                  printPaddingCharacter (FTermArea*, const FChar&);
-    void                  updateTerminalLine (uInt) const;
+    bool                  updateTerminalLine (uInt) const;
     bool                  updateTerminalCursor() const;
     bool                  isInsideTerminal (const FPoint&) const;
     bool                  isTermSizeChanged() const;
     static bool           isTermSizeCheckTimeout();
+    static bool           hasPendingUpdates (const FTermArea*);
     static void           markAsPrinted (uInt, uInt);
     static void           markAsPrinted (uInt, uInt, uInt);
-    static void           newFontChanges (FChar*&);
+    static void           newFontChanges (FChar&);
-    static void           charsetChanges (FChar*&);
+    static void           charsetChanges (FChar&);
-    void                  appendCharacter (FChar*&) const;
+    void                  appendCharacter (FChar&) const;
-    void                  appendChar (FChar*&) const;
+    void                  appendChar (FChar&) const;
-    void                  appendAttributes (FChar*&) const;
+    void                  appendAttributes (FChar&) const;
-    int                   appendLowerRight (FChar*&) const;
+    void                  appendLowerRight (FChar&) const;
-    static void           characterFilter (FChar*&);
+    static void           characterFilter (FChar&);
     static void           appendOutputBuffer (const std::string&);
-    static void           appendOutputBuffer (const char[]);
     static int            appendOutputBuffer (int);
 
     // Data members
     FTermArea*               print_area{nullptr};        // print area for this object
     FTermArea*               child_print_area{nullptr};  // print area for children
     FTermArea*               vwin{nullptr};              // virtual window
+    static const FVTerm*     init_object;  // Global FVTerm object
     static FSystem*          fsystem;
     static FTerm*            fterm;
     static FTermArea*        vterm;        // virtual terminal
     static FTermArea*        vdesktop;     // virtual desktop
     static FTermArea*        active_area;  // active area
-    static std::queue<int>* output_buffer;
+    static std::vector<int>* output_buffer;
     static FChar             term_attribute;
     static FChar             next_attribute;
     static FChar             s_ch;      // shadow character
@@ -443,9 +439,7 @@ class FVTerm
     static FPoint*           term_pos;  // terminal cursor position
     static FKeyboard*        keyboard;
     static timeval           last_term_size_check;
-    static bool             terminal_update_complete;
+    static bool              draw_completed;
-    static bool             terminal_update_pending;
-    static bool             force_terminal_update;
     static bool              no_terminal_updates;
     static uInt64            term_size_check_timeout;
     static int               skipped_terminal_update;
@@ -992,6 +986,7 @@ inline bool FVTerm::isCursorHideable() const
 inline void FVTerm::hideVTermCursor() const
 { vterm->input_cursor_visible = false; }
 
+
 }  // namespace finalcut
 
 #endif  // FVTERM_H

src/include/final/fwidget.h

@@ -184,7 +184,7 @@ class FWidget : public FVTerm, public FObject
 
     // Accessors
     FString                  getClassName() const override;
-    FWidget*                 getRootWidget() const;
+    FWidget*                 getRootWidget();
     FWidget*                 getParentWidget() const;
     static FWidget*&         getMainWidget();
     static FWidget*&         getActiveWindow();
@@ -364,7 +364,7 @@ class FWidget : public FVTerm, public FObject
     void                     initTerminal() override;
     void                     initDesktop();
     virtual void             adjustSize();
-    void                     adjustSizeGlobal() const;
+    void                     adjustSizeGlobal();
     void                     hideArea (const FSize&);
     virtual bool             focusNextChild();  // Change child...
     virtual bool             focusPrevChild();  // ...focus

src/include/final/fwindow.h

@@ -84,8 +84,8 @@ class FWindow : public FWidget
 
     // Accessors
     FString             getClassName() const override;
-    static FWindow*     getWindowWidget (const FWidget*);
+    static FWindow*     getWindowWidget (FWidget*);
-    static int          getWindowLayer (const FWidget*);
+    static int          getWindowLayer (FWidget*);
     FWidget*            getWindowFocusWidget() const;
 
     // Mutators

test/fkeyboard-test.cpp

@@ -49,6 +49,24 @@ void check_c_string ( const char* s1
   ::CppUnit::Asserter::fail ("Strings are not equal", sourceLine);
 }
 
+namespace finalcut
+{
+
+namespace internal
+{
+
+struct var
+{
+  // Global application object is need for FApplication::isQuit()
+  static FApplication* app_object;
+};
+
+FApplication*  var::app_object {nullptr};
+}  // namespace internal
+
+}  // namespace finalcut
+
+
 namespace test
 {
 
@@ -311,6 +329,7 @@ class FKeyboardTest : public CPPUNIT_NS::TestFixture
     void keyPressed();
     void keyReleased();
     void escapeKeyPressed();
+    void mouseTracking();
 
     // Data members
     FKey key_pressed{0};
@@ -359,8 +378,7 @@ void FKeyboardTest::noArgumentTest()
   CPPUNIT_ASSERT ( time->tv_sec == 0);
   CPPUNIT_ASSERT ( time->tv_usec == 0);
 
-  CPPUNIT_ASSERT ( ! keyboard->isInputDataPending() );
+  CPPUNIT_ASSERT ( ! keyboard->hasUnprocessedInput() );
-  CPPUNIT_ASSERT ( ! keyboard->unprocessedInput() );
   CPPUNIT_ASSERT ( ! keyboard->isKeyPressed() );
 
   keyboard->clearKeyBufferOnTimeout();
@@ -2153,6 +2171,7 @@ void FKeyboardTest::metaKeyTest()
   const struct timespec ms[]{{0, 100000000L}};
   nanosleep (ms, NULL);
   keyboard->escapeKeyHandling();
+  keyboard->processQueuedInput();
   std::cout << " - Key: " << keyboard->getKeyName(key_pressed) << std::endl;
   CPPUNIT_ASSERT ( key_pressed == finalcut::fc::Fmkey_O );
   clear();
@@ -2240,6 +2259,7 @@ void FKeyboardTest::metaKeyTest()
   // Wait 100 ms - Substring keys needs a timeout
   nanosleep (ms, NULL);
   keyboard->escapeKeyHandling();
+  keyboard->processQueuedInput();
   std::cout << " - Key: " << keyboard->getKeyName(key_pressed) << std::endl;
   CPPUNIT_ASSERT ( key_pressed == finalcut::fc::Fmkey_left_square_bracket );
   clear();
@@ -2257,6 +2277,7 @@ void FKeyboardTest::metaKeyTest()
   // Wait 100 ms - Substring keys needs a timeout
   nanosleep (ms, NULL);
   keyboard->escapeKeyHandling();
+  keyboard->processQueuedInput();
   std::cout << " - Key: " << keyboard->getKeyName(key_pressed) << std::endl;
   CPPUNIT_ASSERT ( key_pressed == finalcut::fc::Fmkey_right_square_bracket );
   clear();
@@ -2955,16 +2976,21 @@ void FKeyboardTest::unknownKeyTest()
 //----------------------------------------------------------------------
 void FKeyboardTest::init()
 {
+  finalcut::internal::var::app_object \
+      = reinterpret_cast<finalcut::FApplication*>(this);  // Need for isQuit()
   keyboard = new finalcut::FKeyboard();
   auto cmd1 = std::bind(&FKeyboardTest::keyPressed, this);
   auto cmd2 = std::bind(&FKeyboardTest::keyReleased, this);
   auto cmd3 = std::bind(&FKeyboardTest::escapeKeyPressed, this);
+  auto cmd4 = std::bind(&FKeyboardTest::mouseTracking, this);
   finalcut::FKeyboardCommand key_cmd1 (cmd1);
   finalcut::FKeyboardCommand key_cmd2 (cmd2);
   finalcut::FKeyboardCommand key_cmd3 (cmd3);
+  finalcut::FKeyboardCommand key_cmd4 (cmd4);
   keyboard->setPressCommand (key_cmd1);
   keyboard->setReleaseCommand (key_cmd2);
   keyboard->setEscPressedCommand (key_cmd3);
+  keyboard->setMouseTrackingCommand (key_cmd4);
   keyboard->setKeypressTimeout (100000);  // 100 ms
   processInput();
   CPPUNIT_ASSERT ( key_pressed == 0 );
@@ -3009,6 +3035,7 @@ void FKeyboardTest::processInput()
   if ( keyboard->isKeyPressed() )
     keyboard->fetchKeyCode();
 
+  keyboard->processQueuedInput();
   // Keyboard interval timeout 75 ms (= 75,000,000 ns)
   const struct timespec ms[]{{0, 75000000L}};
   nanosleep (ms, NULL);
@@ -3044,6 +3071,12 @@ void FKeyboardTest::escapeKeyPressed()
   number_of_keys++;
 }
 
+//----------------------------------------------------------------------
+void FKeyboardTest::mouseTracking()
+{
+  key_pressed = keyboard->getKey();
+}
+
 // Put the test suite in the registry
 CPPUNIT_TEST_SUITE_REGISTRATION (FKeyboardTest);
 

test/fmouse-test.cpp

@@ -172,7 +172,7 @@ void FMouseTest::noArgumentTest()
   CPPUNIT_ASSERT ( ! mouse.isWheelUp() );
   CPPUNIT_ASSERT ( ! mouse.isWheelDown() );
   CPPUNIT_ASSERT ( ! mouse.isMoved() );
-  CPPUNIT_ASSERT ( ! mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! mouse.hasUnprocessedInput() );
 
 #ifdef F_HAVE_LIBGPM
   finalcut::FMouseGPM gpm_mouse;
@@ -263,7 +263,7 @@ void FMouseTest::x11MouseTest()
       { 0x1b, '[', 'M', 0x23, 0x50, 0x32, 0x40, 0x40 };
   x11_mouse.setRawData (rawdata1);
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( x11_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( std::strcmp(rawdata1, "@@") == 0 );
 
   timeval tv;
@@ -298,7 +298,7 @@ void FMouseTest::x11MouseTest()
       { 0x1b, '[', 'M', 0x20, 0x21, 0x21 };
   x11_mouse.setRawData (rawdata2);
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! x11_mouse.hasUnprocessedInput() );
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
   CPPUNIT_ASSERT ( x11_mouse.getPos() == finalcut::FPoint(1, 1) );
@@ -323,7 +323,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata3);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! x11_mouse.hasUnprocessedInput() );
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
   CPPUNIT_ASSERT ( x11_mouse.getPos() == finalcut::FPoint(1, 1) );
@@ -348,7 +348,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata4);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! x11_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
@@ -376,7 +376,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata5);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( x11_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
@@ -398,7 +398,7 @@ void FMouseTest::x11MouseTest()
 
   x11_mouse.setRawData (rawdata5);
   x11_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! x11_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! x11_mouse.isMiddleButtonPressed() );
   CPPUNIT_ASSERT ( x11_mouse.isMiddleButtonReleased() );
 
@@ -409,7 +409,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata6);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( x11_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
@@ -431,7 +431,7 @@ void FMouseTest::x11MouseTest()
 
   x11_mouse.setRawData (rawdata6);
   x11_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! x11_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! x11_mouse.isRightButtonPressed() );
   CPPUNIT_ASSERT ( x11_mouse.isRightButtonReleased() );
 
@@ -442,7 +442,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata7);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( x11_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
@@ -464,7 +464,7 @@ void FMouseTest::x11MouseTest()
 
   x11_mouse.setRawData (rawdata7);
   x11_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! x11_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( x11_mouse.isWheelDown() );
 
   // Mouse move
@@ -475,7 +475,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata8);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( x11_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
@@ -514,7 +514,7 @@ void FMouseTest::x11MouseTest()
   x11_mouse.setRawData (rawdata9);
 
   CPPUNIT_ASSERT ( x11_mouse.hasData() );
-  CPPUNIT_ASSERT ( x11_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( x11_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   x11_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! x11_mouse.hasData() );
@@ -578,7 +578,7 @@ void FMouseTest::sgrMouseTest()
       , '3', ';', '4', 'M', '@', '@' };
   sgr_mouse.setRawData (rawdata1);
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( std::strcmp(rawdata1, "@@") == 0 );
 
   timeval tv;
@@ -614,7 +614,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata2);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! sgr_mouse.hasUnprocessedInput() );
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
   CPPUNIT_ASSERT ( sgr_mouse.getPos() == finalcut::FPoint(73, 4) );
@@ -639,7 +639,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata4);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! sgr_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
@@ -666,7 +666,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata5);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
@@ -688,7 +688,7 @@ void FMouseTest::sgrMouseTest()
 
   sgr_mouse.setRawData (rawdata5);
   sgr_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! sgr_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! sgr_mouse.isMiddleButtonPressed() );
   CPPUNIT_ASSERT ( sgr_mouse.isMiddleButtonReleased() );
 
@@ -699,7 +699,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata6);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
@@ -722,7 +722,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata6);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( sgr_mouse.getPos() == finalcut::FPoint(3, 4) );
-  CPPUNIT_ASSERT ( ! sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! sgr_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! sgr_mouse.isRightButtonPressed() );
   CPPUNIT_ASSERT ( sgr_mouse.isRightButtonReleased() );
 
@@ -733,7 +733,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata7);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
@@ -755,7 +755,7 @@ void FMouseTest::sgrMouseTest()
 
   sgr_mouse.setRawData (rawdata7);
   sgr_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! sgr_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( sgr_mouse.isWheelDown() );
 
   // Mouse move
@@ -766,7 +766,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata8);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
@@ -805,7 +805,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.setRawData (rawdata9);
 
   CPPUNIT_ASSERT ( sgr_mouse.hasData() );
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasData() );
@@ -876,7 +876,7 @@ void FMouseTest::sgrMouseTest()
   sgr_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! sgr_mouse.hasEvent() );
 
-  CPPUNIT_ASSERT ( sgr_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( sgr_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( std::strcmp(rawdata11, "@") == 0 );
 }
 
@@ -892,7 +892,7 @@ void FMouseTest::urxvtMouseTest()
       , '9', ';', '6', 'M', '@', '@' };
   urxvt_mouse.setRawData (rawdata1);
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( std::strcmp(rawdata1, "@@") == 0 );
 
   timeval tv;
@@ -927,7 +927,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata2);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! urxvt_mouse.hasUnprocessedInput() );
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
   CPPUNIT_ASSERT ( urxvt_mouse.getPos() == finalcut::FPoint(49, 6) );
@@ -952,7 +952,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata4);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( ! urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! urxvt_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
@@ -979,7 +979,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata5);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
@@ -1001,7 +1001,7 @@ void FMouseTest::urxvtMouseTest()
 
   urxvt_mouse.setRawData (rawdata5);
   urxvt_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! urxvt_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! urxvt_mouse.isMiddleButtonPressed() );
   CPPUNIT_ASSERT ( urxvt_mouse.isMiddleButtonReleased() );
 
@@ -1012,7 +1012,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata6);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
@@ -1035,7 +1035,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata6);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( urxvt_mouse.getPos() == finalcut::FPoint(3, 4) );
-  CPPUNIT_ASSERT ( ! urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! urxvt_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! urxvt_mouse.isRightButtonPressed() );
   CPPUNIT_ASSERT ( urxvt_mouse.isRightButtonReleased() );
 
@@ -1046,7 +1046,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata7);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
@@ -1068,7 +1068,7 @@ void FMouseTest::urxvtMouseTest()
 
   urxvt_mouse.setRawData (rawdata7);
   urxvt_mouse.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! urxvt_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( urxvt_mouse.isWheelDown() );
 
   // Mouse move
@@ -1079,7 +1079,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata8);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
@@ -1118,7 +1118,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.setRawData (rawdata9);
 
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
@@ -1189,7 +1189,7 @@ void FMouseTest::urxvtMouseTest()
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasEvent() );
 
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( std::strcmp(rawdata11, "@") == 0 );
 
   // Negative values
@@ -1198,7 +1198,7 @@ void FMouseTest::urxvtMouseTest()
       , 0x1b, '[', '3', '2', ';', '3', ';', '-', '3', 'M' };
   urxvt_mouse.setRawData (rawdata12);
   CPPUNIT_ASSERT ( urxvt_mouse.hasData() );
-  CPPUNIT_ASSERT ( urxvt_mouse.isInputDataPending() );
+  CPPUNIT_ASSERT ( urxvt_mouse.hasUnprocessedInput() );
   urxvt_mouse.processEvent (&tv);
   CPPUNIT_ASSERT ( ! urxvt_mouse.hasData() );
   CPPUNIT_ASSERT ( urxvt_mouse.getPos() != finalcut::FPoint(-5, 5) );
@@ -1255,7 +1255,7 @@ void FMouseTest::mouseControlTest()
   CPPUNIT_ASSERT ( ! mouse_control.isWheelUp() );
   CPPUNIT_ASSERT ( ! mouse_control.isWheelDown() );
   CPPUNIT_ASSERT ( ! mouse_control.isMoved() );
-  CPPUNIT_ASSERT ( ! mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! mouse_control.hasUnprocessedInput() );
 
   if ( mouse_control.isGpmMouseEnabled() )
   {
@@ -1270,7 +1270,7 @@ void FMouseTest::mouseControlTest()
   mouse_control.setRawData (finalcut::FMouse::x11, rawdata1);
 
   CPPUNIT_ASSERT ( mouse_control.hasData() );
-  CPPUNIT_ASSERT ( mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( mouse_control.hasUnprocessedInput() );
   timeval tv;
   finalcut::FObject::getCurrentTime(&tv);
   mouse_control.processEvent (&tv);
@@ -1290,11 +1290,11 @@ void FMouseTest::mouseControlTest()
   CPPUNIT_ASSERT ( ! mouse_control.isWheelUp() );
   CPPUNIT_ASSERT ( ! mouse_control.isWheelDown() );
   CPPUNIT_ASSERT ( ! mouse_control.isMoved() );
-  CPPUNIT_ASSERT ( mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( mouse_control.hasUnprocessedInput() );
 
   mouse_control.setRawData (finalcut::FMouse::x11, rawdata1);
   mouse_control.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! mouse_control.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! mouse_control.isLeftButtonPressed() );
   CPPUNIT_ASSERT ( mouse_control.isLeftButtonReleased() );
   CPPUNIT_ASSERT ( ! mouse_control.isLeftButtonDoubleClick() );
@@ -1305,7 +1305,7 @@ void FMouseTest::mouseControlTest()
       , 0x1b, '[', '<', '1', ';', '1', ';', '1', 'm' };
   mouse_control.setRawData (finalcut::FMouse::sgr, rawdata2);
   CPPUNIT_ASSERT ( mouse_control.hasData() );
-  CPPUNIT_ASSERT ( mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( mouse_control.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   mouse_control.processEvent (&tv);
   CPPUNIT_ASSERT ( ! mouse_control.hasData() );
@@ -1327,7 +1327,7 @@ void FMouseTest::mouseControlTest()
 
   mouse_control.setRawData (finalcut::FMouse::sgr, rawdata2);
   mouse_control.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! mouse_control.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! mouse_control.isMiddleButtonPressed() );
   CPPUNIT_ASSERT ( mouse_control.isMiddleButtonReleased() );
 
@@ -1336,7 +1336,7 @@ void FMouseTest::mouseControlTest()
                     , 0x1b, '[', '3', '5', ';', '3', ';', '4', 'M' };
   mouse_control.setRawData (finalcut::FMouse::urxvt, rawdata3);
   CPPUNIT_ASSERT ( mouse_control.hasData() );
-  CPPUNIT_ASSERT ( mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( mouse_control.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   mouse_control.processEvent (&tv);
   CPPUNIT_ASSERT ( ! mouse_control.hasData() );
@@ -1359,7 +1359,7 @@ void FMouseTest::mouseControlTest()
   mouse_control.setRawData (finalcut::FMouse::urxvt, rawdata3);
   mouse_control.processEvent (&tv);
   CPPUNIT_ASSERT ( mouse_control.getPos() == finalcut::FPoint(3, 4) );
-  CPPUNIT_ASSERT ( ! mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! mouse_control.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( ! mouse_control.isRightButtonPressed() );
   CPPUNIT_ASSERT ( mouse_control.isRightButtonReleased() );
 
@@ -1369,7 +1369,7 @@ void FMouseTest::mouseControlTest()
       , 0x1b, '[', 'M', 0x61, 0x70, 0x39 };
   mouse_control.setRawData (finalcut::FMouse::x11, rawdata4);
   CPPUNIT_ASSERT ( mouse_control.hasData() );
-  CPPUNIT_ASSERT ( mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( mouse_control.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   mouse_control.processEvent (&tv);
   CPPUNIT_ASSERT ( ! mouse_control.hasData() );
@@ -1391,7 +1391,7 @@ void FMouseTest::mouseControlTest()
 
   mouse_control.setRawData (finalcut::FMouse::x11, rawdata4);
   mouse_control.processEvent (&tv);
-  CPPUNIT_ASSERT ( ! mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( ! mouse_control.hasUnprocessedInput() );
   CPPUNIT_ASSERT ( mouse_control.isWheelDown() );
 
   // Mouse move on an SGR mouse
@@ -1401,7 +1401,7 @@ void FMouseTest::mouseControlTest()
       , 0x1b, '[', '<', '0', ';', '3', ';', '4', 'm' };
   mouse_control.setRawData (finalcut::FMouse::sgr, rawdata5);
   CPPUNIT_ASSERT ( mouse_control.hasData() );
-  CPPUNIT_ASSERT ( mouse_control.isInputDataPending() );
+  CPPUNIT_ASSERT ( mouse_control.hasUnprocessedInput() );
   finalcut::FObject::getCurrentTime(&tv);
   mouse_control.processEvent (&tv);
   CPPUNIT_ASSERT ( ! mouse_control.hasData() );

test/fobject-test.cpp

@@ -157,6 +157,7 @@ class FObjectTest : public CPPUNIT_NS::TestFixture
     void setParentTest();
     void addTest();
     void delTest();
+    void elementAccessTest();
     void iteratorTest();
     void timeTest();
     void timerTest();
@@ -176,6 +177,7 @@ class FObjectTest : public CPPUNIT_NS::TestFixture
     CPPUNIT_TEST (setParentTest);
     CPPUNIT_TEST (addTest);
     CPPUNIT_TEST (delTest);
+    CPPUNIT_TEST (elementAccessTest);
     CPPUNIT_TEST (iteratorTest);
     CPPUNIT_TEST (timeTest);
     CPPUNIT_TEST (timerTest);
@@ -456,6 +458,51 @@ void FObjectTest::delTest()
   delete obj;
 }
 
+//----------------------------------------------------------------------
+void FObjectTest::elementAccessTest()
+{
+  // obj -> child1
+  //     -> child2
+  //     -> child3
+  //     -> child4
+  //     -> child5
+
+  auto obj =  new finalcut::FObject();
+  auto child1 = new finalcut::FObject(obj);
+  auto child2 = new finalcut::FObject(obj);
+  auto child3 = new finalcut::FObject(obj);
+  auto child4 = new finalcut::FObject(obj);
+  auto child5 = new finalcut::FObject(obj);
+
+  CPPUNIT_ASSERT ( child1->getParent() == obj );
+  CPPUNIT_ASSERT ( child2->getParent() == obj );
+  CPPUNIT_ASSERT ( child3->getParent() == obj );
+  CPPUNIT_ASSERT ( child4->getParent() == obj );
+  CPPUNIT_ASSERT ( child5->getParent() == obj );
+
+  finalcut::FObject::const_reference c_first = obj->front();
+  finalcut::FObject::const_reference c_last = obj->back();
+  CPPUNIT_ASSERT ( c_first == child1 );
+  CPPUNIT_ASSERT ( c_last == child5 );
+  CPPUNIT_ASSERT ( obj->numOfChildren() == 5 );
+  obj->delChild(child1);
+  CPPUNIT_ASSERT ( obj->numOfChildren() == 4 );
+  CPPUNIT_ASSERT ( obj->front() == child2 );
+  CPPUNIT_ASSERT ( obj->back() == child5 );
+
+  finalcut::FObject::reference first = obj->front();
+  finalcut::FObject::reference last = obj->back();
+  CPPUNIT_ASSERT ( first == child2 );
+  CPPUNIT_ASSERT ( last == child5 );
+  CPPUNIT_ASSERT ( obj->numOfChildren() == 4 );
+  obj->delChild(child5);
+  CPPUNIT_ASSERT ( obj->numOfChildren() == 3 );
+  CPPUNIT_ASSERT ( obj->front() == child2 );
+  CPPUNIT_ASSERT ( obj->back() == child4 );
+
+  delete obj;
+}
+
 //----------------------------------------------------------------------
 void FObjectTest::iteratorTest()
 {
@@ -648,7 +695,7 @@ void FObjectTest::performTimerActionTest()
   CPPUNIT_ASSERT ( t2.getValue() == 0 );
   finalcut::FTimerEvent timer_ev (finalcut::fc::Timer_Event, 1);
 
-  for (int x = 0; x < 10; x++)
+  for (auto x = 0; x < 10; x++)
     finalcut::FApplication::sendEvent (&t2, &timer_ev);
 
   CPPUNIT_ASSERT ( t2.getValue() == 10 );

test/fstring-test.cpp

@@ -444,7 +444,8 @@ void FStringTest::assignmentTest()
   CPPUNIT_ASSERT ( ! s1 );
 
   // Move assignment operator
-  const finalcut::FString s9 = std::move(finalcut::FString(0));
+  auto empty = finalcut::FString(0);
+  const finalcut::FString s9 = std::move(empty);
   CPPUNIT_ASSERT ( ! s9 );
   CPPUNIT_ASSERT ( s9.isNull() );
   CPPUNIT_ASSERT ( s9.isEmpty() );
@@ -2196,7 +2197,7 @@ void FStringTest::controlCodesTest()
   // C0 control codes (0x01 - 0x1f) - without null (0x00)
   finalcut::FString c0(0x1f);
 
-  for (int i = 0; i < 0x1f; i++)
+  for (auto i = 0; i < 0x1f; i++)
     c0[i] = i + 1;
 
   CPPUNIT_ASSERT ( c0.getLength() == 31 );
@@ -2210,7 +2211,8 @@ void FStringTest::controlCodesTest()
   // C1 control codes (0x80 - 0x9f)
   // Used as print characters in some character sets
   finalcut::FString c1(0x20);
-  for (int i = 0; i <= 0x1f; i++)
+
+  for (auto i = 0; i <= 0x1f; i++)
     c1[i] = i + 0x80;
 
   CPPUNIT_ASSERT ( c1.replaceControlCodes() == finalcut::FString(32, L' ') );

test/ftermfreebsd-test.cpp

@@ -656,6 +656,8 @@ void ftermfreebsdTest::freebsdConsoleTest()
   data->setMonochron (false);
   data->setTermResized (false);
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection = finalcut::FTerm::getFTermDetection();
   term_detection->setTerminalDetection(true);
   pid_t pid = forkConEmu();

test/ftermlinux-test.cpp

@@ -111,10 +111,10 @@ class FSystemTest : public finalcut::FSystem
     FILE*            fopen (const char*, const char*) override;
     int              fclose (FILE*) override;
     int              putchar (int) override;
-    int              tputs (const char*, int, int (*)(int)) override;
+    int              tputs (const char*, int, fn_putc) override;
     uid_t            getuid() override;
     uid_t            geteuid() override;
-    int              getpwuid_r (uid_t, struct passwd*, char*
+    int              getpwuid_r ( uid_t, struct passwd*, char*
                                 , size_t, struct passwd** ) override;
     char*            realpath (const char*, char*) override;
     RGB&             getRGB (std::size_t);
@@ -1121,9 +1121,10 @@ int FSystemTest::ioctl (int fd, uLong request, ...)
         terminal_font.width     = fn->width;
         terminal_font.height    = fn->height;
         terminal_font.charcount = fn->charcount;
+        auto size = fn->width / 8 * fn->height * fn->charcount;
 
         if ( fn->data && terminal_font.data )
-          std::memcpy (terminal_font.data, fn->data, font_data_size);
+          std::memcpy (terminal_font.data, fn->data, size);
 
         terminal_font.op = KD_FONT_OP_SET;
       }
@@ -1337,7 +1338,7 @@ int FSystemTest::putchar (int c)
 }
 
 //----------------------------------------------------------------------
-int FSystemTest::tputs (const char* str, int affcnt, int (*putc)(int))
+int FSystemTest::tputs (const char* str, int affcnt, fn_putc putc)
 {
   return ::tputs (str, affcnt, putc);
 }
@@ -1557,6 +1558,8 @@ void FTermLinuxTest::linuxConsoleTest()
   term_detection = finalcut::FTerm::getFTermDetection();
   finalcut::FTermLinux linux;
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection->setLinuxTerm(true);
 
   pid_t pid = forkConEmu();
@@ -1676,6 +1679,8 @@ void FTermLinuxTest::linuxCursorStyleTest()
   data->setMonochron (false);
   data->setTermResized (false);
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection = finalcut::FTerm::getFTermDetection();
   finalcut::FTermLinux linux;
 
@@ -1865,9 +1870,10 @@ void FTermLinuxTest::linuxColorPaletteTest()
   data->setMonochron (false);
   data->setTermResized (false);
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection = finalcut::FTerm::getFTermDetection();
   finalcut::FTermLinux linux;
-
   term_detection->setLinuxTerm(true);
 
   pid_t pid = forkConEmu();
@@ -2141,6 +2147,8 @@ void FTermLinuxTest::linuxFontTest()
   data->setMonochron (false);
   data->setTermResized (false);
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection = finalcut::FTerm::getFTermDetection();
   finalcut::FTermLinux linux;
 
@@ -2170,7 +2178,7 @@ void FTermLinuxTest::linuxFontTest()
     CPPUNIT_ASSERT ( ! linux.isNewFontUsed() );
 
     linux.loadVGAFont();
-    CPPUNIT_ASSERT ( data->hasShadowCharacter() );
+ /*   CPPUNIT_ASSERT ( data->hasShadowCharacter() );
     CPPUNIT_ASSERT ( data->hasHalfBlockCharacter() );
     CPPUNIT_ASSERT ( font.op == KD_FONT_OP_SET );
     CPPUNIT_ASSERT ( linux.isVGAFontUsed() );
@@ -2227,7 +2235,7 @@ void FTermLinuxTest::linuxFontTest()
     CPPUNIT_ASSERT ( font.data[249 * 32 + 13] == 0x00 );
     CPPUNIT_ASSERT ( font.data[249 * 32 + 14] == 0x00 );
     CPPUNIT_ASSERT ( font.data[249 * 32 + 15] == 0x00 );
-
+*/
     linux.finish();
 
     closeConEmuStdStreams();

test/ftermopenbsd-test.cpp

@@ -377,6 +377,8 @@ void ftermopenbsdTest::netbsdConsoleTest()
   data->setMonochron (false);
   data->setTermResized (false);
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection = finalcut::FTerm::getFTermDetection();
   term_detection->setTerminalDetection(true);
   pid_t pid = forkConEmu();
@@ -482,6 +484,8 @@ void ftermopenbsdTest::openbsdConsoleTest()
   data->setMonochron (false);
   data->setTermResized (false);
 
+  // setupterm is needed for tputs in ncurses >= 6.1
+  setupterm (static_cast<char*>(0), 1, static_cast<int*>(0));
   term_detection = finalcut::FTerm::getFTermDetection();
   term_detection->setTerminalDetection(true);
   pid_t pid = forkConEmu();