Add the windows example to show the window behavior

.gitignore

@@ -29,6 +29,7 @@ test/string-operations
 test/hello
 test/watch
 test/menu
+test/windows
 test/term-attributes
 test/input-dialog
 test/mandelbrot

ChangeLog

@@ -2,7 +2,7 @@
 	* Resetting the local window widget focus at 
 	  the end of the lifetime of a widget.
 	* Fix method setPos in the class FRect
-	* Add the windows example to show window behavior
+	* Add the windows example to show the window behavior
 
 2016-07-30  Markus Gans  <guru.mail@muenster.de>
 	* Delete all callbacks from a widget with delCallbacks()

test/Makefile.am

@@ -16,6 +16,7 @@ noinst_PROGRAMS = \
 	term-attributes \
 	keyboard \
 	timer \
+	windows \
 	menu \
 	ui
 
@@ -29,6 +30,6 @@ watch_SOURCES = watch.cpp
 term_attributes_SOURCES = term-attributes.cpp
 keyboard_SOURCES = keyboard.cpp
 timer_SOURCES = timer.cpp
+windows_SOURCES = windows.cpp
 menu_SOURCES = menu.cpp
 ui_SOURCES = ui.cpp
-

test/Makefile.in

@@ -85,7 +85,8 @@ host_triplet = @host@
 noinst_PROGRAMS = hello$(EXEEXT) dialog$(EXEEXT) input-dialog$(EXEEXT) \
 	string-operations$(EXEEXT) mandelbrot$(EXEEXT) \
 	calculator$(EXEEXT) watch$(EXEEXT) term-attributes$(EXEEXT) \
-	keyboard$(EXEEXT) timer$(EXEEXT) menu$(EXEEXT) ui$(EXEEXT)
+	keyboard$(EXEEXT) timer$(EXEEXT) windows$(EXEEXT) \
+	menu$(EXEEXT) ui$(EXEEXT)
 subdir = test
 DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
 	$(top_srcdir)/depcomp
@@ -141,6 +142,9 @@ ui_LDADD = $(LDADD)
 am_watch_OBJECTS = watch.$(OBJEXT)
 watch_OBJECTS = $(am_watch_OBJECTS)
 watch_LDADD = $(LDADD)
+am_windows_OBJECTS = windows.$(OBJEXT)
+windows_OBJECTS = $(am_windows_OBJECTS)
+windows_LDADD = $(LDADD)
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
 am__v_P_0 = false
@@ -179,12 +183,14 @@ SOURCES = $(calculator_SOURCES) $(dialog_SOURCES) $(hello_SOURCES) \
 	$(input_dialog_SOURCES) $(keyboard_SOURCES) \
 	$(mandelbrot_SOURCES) $(menu_SOURCES) \
 	$(string_operations_SOURCES) $(term_attributes_SOURCES) \
-	$(timer_SOURCES) $(ui_SOURCES) $(watch_SOURCES)
+	$(timer_SOURCES) $(ui_SOURCES) $(watch_SOURCES) \
+	$(windows_SOURCES)
 DIST_SOURCES = $(calculator_SOURCES) $(dialog_SOURCES) \
 	$(hello_SOURCES) $(input_dialog_SOURCES) $(keyboard_SOURCES) \
 	$(mandelbrot_SOURCES) $(menu_SOURCES) \
 	$(string_operations_SOURCES) $(term_attributes_SOURCES) \
-	$(timer_SOURCES) $(ui_SOURCES) $(watch_SOURCES)
+	$(timer_SOURCES) $(ui_SOURCES) $(watch_SOURCES) \
+	$(windows_SOURCES)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
@@ -343,6 +349,7 @@ watch_SOURCES = watch.cpp
 term_attributes_SOURCES = term-attributes.cpp
 keyboard_SOURCES = keyboard.cpp
 timer_SOURCES = timer.cpp
+windows_SOURCES = windows.cpp
 menu_SOURCES = menu.cpp
 ui_SOURCES = ui.cpp
 all: all-am
@@ -437,6 +444,10 @@ watch$(EXEEXT): $(watch_OBJECTS) $(watch_DEPENDENCIES) $(EXTRA_watch_DEPENDENCIE
 	@rm -f watch$(EXEEXT)
 	$(AM_V_CXXLD)$(CXXLINK) $(watch_OBJECTS) $(watch_LDADD) $(LIBS)
 
+windows$(EXEEXT): $(windows_OBJECTS) $(windows_DEPENDENCIES) $(EXTRA_windows_DEPENDENCIES) 
+	@rm -f windows$(EXEEXT)
+	$(AM_V_CXXLD)$(CXXLINK) $(windows_OBJECTS) $(windows_LDADD) $(LIBS)
+
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
 
@@ -455,6 +466,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/timer.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ui.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/watch.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/windows.Po@am__quote@
 
 .cpp.o:
 @am__fastdepCXX_TRUE@	$(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<

test/windows.cpp

@@ -0,0 +1,431 @@
+// File: windows.cpp
+
+#include "fapp.h"
+#include "fdialog.h"
+#include "fdialoglistmenu.h"
+#include "flabel.h"
+#include "fmenubar.h"
+#include "fmenu.h"
+#include "fmessagebox.h"
+#include "fstatusbar.h"
+#include "fstring.h"
+
+
+//----------------------------------------------------------------------
+// class Window
+//----------------------------------------------------------------------
+
+#pragma pack(push)
+#pragma pack(1)
+
+class Window : public FDialog
+{
+ private:
+   typedef struct
+   {
+     bool is_open;
+     FString* title;
+     FDialog* dgl;
+   }
+   win_data;
+   std::vector<win_data*> windows;
+
+ private:
+   Window (const Window&);    // Disabled copy constructor
+   Window& operator = (const Window&); // and operator '='
+   void activateWindow (FDialog*);
+   void onClose (FCloseEvent*);
+   void cb_createWindows (FWidget*, void*);
+   void cb_closeWindows (FWidget*, void*);
+   void cb_next (FWidget*, void*);
+   void cb_previous (FWidget*, void*);
+   void cb_exitApp (FWidget*, void*);
+   void cb_destroyWindow (FWidget*, void*);
+   void adjustSize();
+
+ public:
+   explicit Window (FWidget* = 0);  // constructor
+  ~Window();  // destructor
+};
+#pragma pack(pop)
+
+//----------------------------------------------------------------------
+Window::Window (FWidget* parent)
+  : FDialog(parent)
+  , windows()
+{
+  // menu bar
+  FMenuBar* Menubar = new FMenuBar (this);
+
+  // menu bar item
+  FMenu* File = new FMenu ("&File", Menubar);
+  File->setStatusbarMessage ("File management commands");
+
+  // dialog list menu item
+  FString drop_down_symbol = wchar_t(fc::BlackDownPointingTriangle);
+  FDialogListMenu* DglList = new FDialogListMenu (drop_down_symbol, Menubar);
+  DglList->setStatusbarMessage ("List of all the active dialogs");
+
+  // "File" menu item
+  FMenuItem* New = new FMenuItem ("&New", File);
+  New->setStatusbarMessage ("Create the windows");
+
+  FMenuItem* Close = new FMenuItem ("&Close", File);
+  Close->setStatusbarMessage ("Close the windows");
+
+  FMenuItem* Line1 = new FMenuItem (File);
+  Line1->setSeparator();
+
+  FMenuItem* Next = new FMenuItem ("Ne&xt window", File);
+  Next->addAccelerator (fc::Fmkey_npage); // Meta/Alt + PgDn
+  Next->setStatusbarMessage ("Switch to the next window");
+
+  FMenuItem* Previous = new FMenuItem ("&Previous window", File);
+  Previous->addAccelerator (fc::Fmkey_ppage); // Meta/Alt + PgUp
+  Previous->setStatusbarMessage ("Switch to the previous window");
+
+  FMenuItem* Line2 = new FMenuItem (File);
+  Line2->setSeparator();
+
+  FMenuItem* Quit = new FMenuItem ("&Quit", File);
+  Quit->addAccelerator (fc::Fmkey_x); // Meta/Alt + X
+  Quit->setStatusbarMessage ("Exit the program");
+
+  // Statusbar at the bottom
+  FStatusBar* statusbar = new FStatusBar (this);
+  statusbar->setMessage("Status bar message");
+
+  // Buttons
+  FButton* CreateButton = new FButton (this);
+  CreateButton->setGeometry(2, 2, 9, 1);
+  CreateButton->setText (L"&Create");
+  CreateButton->setShadow();
+
+  FButton* CloseButton = new FButton (this);
+  CloseButton->setGeometry(15, 2, 9, 1);
+  CloseButton->setText (L"C&lose");
+  CloseButton->setShadow();
+
+  FButton* QuitButton = new FButton (this);
+  QuitButton->setGeometry(28, 2, 9, 1);
+  QuitButton->setText (L"&Quit");
+  QuitButton->setShadow();
+
+  // Add menu item callback
+  New->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_createWindows)
+  );
+
+  Close->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_closeWindows)
+  );
+
+  Next->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_next)
+  );
+
+  Previous->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_previous)
+  );
+
+  Quit->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_exitApp)
+  );
+
+  // Add button callback
+  CreateButton->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_createWindows)
+  );
+
+  CloseButton->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_closeWindows)
+  );
+
+  QuitButton->addCallback
+  (
+    "clicked",
+    _METHOD_CALLBACK (this, &Window::cb_exitApp)
+  );
+
+  for (int n=1; n <= 6; n++)
+  {
+    win_data* win_dat = new win_data;
+    win_dat->is_open = false;
+    win_dat->title = new FString();
+    win_dat->title->sprintf("Window %d", n);
+    windows.push_back(win_dat);
+  }
+}
+
+//----------------------------------------------------------------------
+Window::~Window()
+{
+  std::vector<win_data*>::iterator iter;
+  iter = windows.begin();
+
+  while ( iter != windows.end() )
+  {
+    delete (*iter)->title;
+    delete *iter;
+    iter = windows.erase(iter);
+  }
+}
+
+//----------------------------------------------------------------------
+void Window::activateWindow (FDialog* win)
+{
+  if ( win && ! win->isHiddenWindow() && ! win->isActiveWindow() )
+  {
+    bool has_raised = FWindow::raiseWindow(win);
+    win->activateDialog();
+
+    if ( has_raised )
+      win->redraw();
+
+    updateTerminal();
+  }
+}
+
+//----------------------------------------------------------------------
+void Window::onClose (FCloseEvent* ev)
+{
+  int ret = FMessageBox::info ( this, "Quit"
+                              , "Do you really want\n"
+                                "to quit the program ?"
+                              , FMessageBox::Yes
+                              , FMessageBox::No );
+  if ( ret == FMessageBox::Yes )
+  {
+    cb_closeWindows(0,0);
+    ev->accept();
+  }
+  else
+    ev->ignore();
+}
+
+//----------------------------------------------------------------------
+void Window::cb_createWindows (FWidget*, void*)
+{
+  std::vector<win_data*>::const_iterator iter, begin;
+  iter = begin = windows.begin();
+
+  while ( iter != windows.end() )
+  {
+    if ( ! (*iter)->is_open )
+    {
+      int x,y,n;
+      win_data* win_dat = *iter;
+      FDialog* win = new FDialog(this);
+      win_dat->dgl = win;
+      win_dat->is_open = true;
+      win->setText(*(win_dat)->title);
+      n = int(std::distance(begin, iter));
+      x = 5 + (n%3)*25 + int(n/3)*3;
+      y = 11 + int(n/3)*3;
+      win->setGeometry (x, y, 20, 8);
+      win->setTransparentShadow();
+      win->show();
+
+      win->addCallback
+      (
+        "destroy",
+        _METHOD_CALLBACK (this, &Window::cb_destroyWindow),
+        static_cast<FWidget::data_ptr>(win_dat)
+      );
+    }
+
+    ++iter;
+  }
+
+  activateWindow(this);
+}
+
+//----------------------------------------------------------------------
+void Window::cb_closeWindows (FWidget*, void*)
+{
+  if ( ! dialog_list || dialog_list->empty() )
+    return;
+
+  widgetList::const_iterator iter, begin;
+  iter = dialog_list->end();
+  begin = dialog_list->begin();
+  activateWindow(this);
+
+  do
+  {
+    --iter;
+
+    if ( (*iter) != this )
+      (*iter)->close();
+  }
+  while ( iter != begin );
+}
+
+//----------------------------------------------------------------------
+void Window::cb_next (FWidget*, void*)
+{
+  if ( ! dialog_list || dialog_list->empty() )
+    return;
+
+  widgetList::const_iterator iter;
+  iter = dialog_list->begin();
+
+  while ( iter != dialog_list->end() )
+  {
+    if ( static_cast<FWindow*>(*iter)->isActiveWindow() )
+    {
+      FDialog* next;
+      widgetList::const_iterator next_element;
+      next_element = iter;
+
+      do
+      {
+        ++next_element;
+
+        if ( next_element == dialog_list->end() )
+          next_element = dialog_list->begin();
+
+        next = static_cast<FDialog*>(*next_element);
+      } while (  ! next->isEnabled()
+              || ! next->acceptFocus()
+              || ! next->isVisible()
+              || ! next->isWindow() );
+
+      activateWindow(next);
+      break;
+    }
+
+    ++iter;
+  }
+}
+
+//----------------------------------------------------------------------
+void Window::cb_previous (FWidget*, void*)
+{
+  if ( ! dialog_list || dialog_list->empty() )
+    return;
+
+  widgetList::const_iterator iter;
+  iter = dialog_list->end();
+
+  do
+  {
+    --iter;
+
+    if ( (*iter)->isDialog()
+       && static_cast<FWindow*>(*iter)->isActiveWindow() )
+    {
+      FDialog* prev;
+      widgetList::const_iterator prev_element;
+      prev_element = iter;
+
+      do
+      {
+        if ( prev_element == dialog_list->begin() )
+          prev_element = dialog_list->end();
+
+        --prev_element;
+        prev = static_cast<FDialog*>(*prev_element);
+      } while (  ! prev->isEnabled()
+              || ! prev->acceptFocus()
+              || ! prev->isVisible()
+              || ! prev->isWindow() );
+
+      activateWindow(prev);
+      break;
+    }
+  }
+  while ( iter != dialog_list->begin() );
+}
+
+//----------------------------------------------------------------------
+void Window::cb_exitApp (FWidget*, void*)
+{
+  close();
+}
+
+//----------------------------------------------------------------------
+void Window::cb_destroyWindow (FWidget*, void* data_ptr)
+{
+  win_data* win_dat = static_cast<win_data*>(data_ptr);
+  if ( win_dat )
+    win_dat->is_open = false;
+}
+
+//----------------------------------------------------------------------
+void Window::adjustSize()
+{
+  int w,h,X,Y;
+  std::vector<win_data*>::const_iterator iter, begin;
+  w = getRootWidget()->getWidth();
+  h = getRootWidget()->getHeight();
+  X = int(1 + (w - 40) / 2);
+  Y = int(1 + (h - 22) / 2);
+
+  if ( Y < 2)
+    Y = 2;
+
+  setPos (X, Y, false);
+  iter = begin = windows.begin();
+
+  while ( iter != windows.end() )
+  {
+    if ( (*iter)->is_open )
+    {
+      int x,y,dx,dy,n;
+      n  = int(std::distance(begin, iter));
+      dx = (w > 80) ? (w - 80) / 2 : 0;
+      dy = (h > 24) ? (h - 24) / 2 : 0;
+      x  = dx + 5 + (n%3)*25 + int(n/3)*3;
+      y  = dy + 11 + int(n/3)*3;
+      (*iter)->dgl->setPos (x, y, false);
+    }
+
+    ++iter;
+  }
+
+  FDialog::adjustSize();
+}
+
+//----------------------------------------------------------------------
+//                               main part
+//----------------------------------------------------------------------
+
+int main (int argc, char* argv[])
+{
+  if ( argv[1] && (  strcmp(argv[1], "--help") == 0
+                  || strcmp(argv[1], "-h") == 0 ) )
+  {
+    std::cout << "Generic options:" << std::endl
+              << "  -h, --help                  "
+              << "Display this help and exit" << std::endl;
+    FApplication::print_cmd_Options();
+    exit(EXIT_SUCCESS);
+  }
+
+  FApplication app (argc, argv);
+
+  Window main_dlg (&app);
+  main_dlg.setText ("Main window");
+  main_dlg.setGeometry (int(1+(app.getWidth()-40)/2), 2, 40, 6);
+  main_dlg.setTransparentShadow();
+
+  app.setMainWidget (&main_dlg);
+  main_dlg.show();
+
+  return app.exec();
+}