Do not draw shadows on a linux console if not all characters are available

ChangeLog

@@ -1,3 +1,7 @@
+2016-11-13  Markus Gans  <guru.mail@muenster.de>
+	* Do not draw shadows on a linux console if not 
+	  all characters are available
+
 2016-11-12  Markus Gans  <guru.mail@muenster.de>
 	* Better support for Linux terminals with 8 colors
 	* Optimized input cursor positioning for terminals without hidden cursor

src/fbutton.cpp

@@ -596,8 +596,6 @@ void FButton::draw()
   if ( isMonochron() && (is_Active || is_Focus) )
     setReverse(false);
 
-  if ( is_Flat )
-  {
   if ( margin == 1 )
   {
     setColor (getForegroundColor(), button_bg);
@@ -609,27 +607,8 @@ void FButton::draw()
     }
   }
 
-    if ( ! button_down )
+  if ( is_Flat && ! button_down )
     drawFlatBorder();
-  }
-  else if ( ! isMonochron() )
-  {
-    if ( parent_widget )
-      setColor (button_bg, parent_widget->getBackgroundColor());
-
-    for (int y=0; y < getHeight(); y++)
-    {
-      setPrintPos (1+d, 1+y);
-
-      // Cygwin terminal use IBM Codepage 850
-      if ( isCygwinTerminal() )
-        print (fc::FullBlock); // █
-      else if ( isTeraTerm() )
-        print (0xdb);
-      else
-        print (fc::RightHalfBlock); // ▐
-    }
-  }
 
   if (  ! button_down
      && ! isNewFont()

src/ffiledialog.cpp

@@ -489,7 +489,7 @@ void FFileDialog::init()
     FDialog::setText("Open file");
 
   filename = new FLineEdit(this);
-  filename->setLabelText("File&name:");
+  filename->setLabelText("File&name");
   filename->setText(filter_pattern);
   filename->setGeometry(11, 1, 28, 1);
   filename->setFocus();

src/flineedit.cpp

@@ -664,7 +664,7 @@ void FLineEdit::adjustLabel()
       break;
 
     case label_left:
-      label->setGeometry(getX()-label_length, getY(), label_length, 1);
+      label->setGeometry(getX()-label_length-1, getY(), label_length, 1);
       break;
   }
 }
@@ -742,12 +742,11 @@ void FLineEdit::draw()
 //----------------------------------------------------------------------
 void FLineEdit::drawInputField()
 {
-  bool isActiveFocus, isActive, isShadow;
+  bool isActiveFocus, isShadow;
   int x;
   FString show_text;
   int active_focus = fc::active + fc::focus;
   isActiveFocus = ((flags & active_focus) == active_focus);
-  isActive = ((flags & fc::active) != 0);
   isShadow = ((flags & fc::shadow) != 0 );
 
   updateVTerm(false);
@@ -763,44 +762,15 @@ void FLineEdit::drawInputField()
     else
       setUnderline(true);
   }
-  else if ( isActiveFocus )
-  {
-    setColor (wc.inputfield_active_focus_bg, wc.dialog_bg);
-
-    if ( isCygwinTerminal() )  // IBM Codepage 850
-      print (fc::FullBlock); // █
-    else if ( isTeraTerm() )
-        print (0xdb);
   else
-      print (fc::RightHalfBlock); // ▐
-  }
-  else if ( isActive )
   {
-    setColor (wc.inputfield_active_bg, wc.dialog_bg);
+    setColor();
-
+    print (' ');
-    if ( isCygwinTerminal() )  // IBM Codepage 850
-      print (fc::FullBlock); // █
-    else if ( isTeraTerm() )
-        print (0xdb);
-    else
-      print (fc::RightHalfBlock); // ▐
-  }
-  else // isInactive
-  {
-    setColor (wc.inputfield_inactive_bg, wc.dialog_bg);
-
-    if ( isCygwinTerminal() )  // IBM Codepage 850
-      print (fc::FullBlock); // █
-    else if ( isTeraTerm() )
-        print (0xdb);
-    else
-      print (fc::RightHalfBlock); // ▐
   }
 
   if ( isActiveFocus && getMaxColor() < 16 )
     setBold();
 
-  setColor();
   show_text = text.mid(uInt(1+text_offset), uInt(getWidth()-2));
 
   if ( isUTF8_linux_terminal() )

src/fprogressbar.cpp

@@ -185,53 +185,9 @@ void FProgressbar::drawPercentage()
 //----------------------------------------------------------------------
 void FProgressbar::drawBar()
 {
-  int i = 1;
+  int i = 0;
   float length = float(bar_length * percentage) / 100;
   setPrintPos (1,1);
-
-  if ( isMonochron() )
-  {
-    if ( round(length) >= 1)
-    {
-      setReverse(false);
-      print (' ');
-      setReverse(true);
-    }
-    else
-      print (fc::MediumShade);  // ▒
-  }
-  else if ( getMaxColor() < 16 )
-  {
-    setColor ( wc.progressbar_bg
-             , wc.progressbar_fg );
-
-    if ( round(length) >= 1)
-      print (' ');
-    else
-      print (fc::MediumShade);
-  }
-
-  if ( getParentWidget() )
-  {
-    if ( round(length) >= 1)
-      setColor ( wc.progressbar_fg
-               , getParentWidget()->getBackgroundColor() );
-    else
-      setColor ( wc.progressbar_bg
-               , getParentWidget()->getBackgroundColor() );
-  }
-
-  if ( ! isMonochron() &&  getMaxColor() >= 16 )
-  {
-    // Cygwin terminal use IBM Codepage 850
-    if ( isCygwinTerminal() )
-      print (fc::FullBlock); // █
-    else if ( isTeraTerm() )
-        print (0xdb);
-    else
-      print (fc::RightHalfBlock); // ▐
-  }
-
   setColor ( wc.progressbar_bg
            , wc.progressbar_fg );
 
@@ -244,7 +200,7 @@ void FProgressbar::drawBar()
   if ( isMonochron() )
     setReverse(true);
 
-  if ( trunc(length) >= 1 && trunc(length) < bar_length )
+  if ( percentage > 0.0f && trunc(length) < bar_length )
   {
     if (  round(length) > trunc(length)
        || isCygwinTerminal()

src/fstatusbar.cpp

@@ -687,9 +687,15 @@ void FStatusBar::drawKeys()
           if ( isMonochron() )
             setReverse(false);
 
+          if ( no_half_block_character )
+            print (' ');
+          else
+          {
             setColor (wc.statusbar_active_fg, wc.statusbar_active_bg);
-          x++;
             print (fc::LeftHalfBlock);  // ▐
+          }
+
+          x++;
 
           if ( isMonochron() )
             setReverse(true);

src/fterm.cpp

@@ -58,6 +58,8 @@ bool     FTerm::vt100_console;
 bool     FTerm::ascii_console;
 bool     FTerm::NewFont;
 bool     FTerm::VGAFont;
+bool     FTerm::no_shadow_character;
+bool     FTerm::no_half_block_character;
 bool     FTerm::cursor_optimisation;
 bool     FTerm::xterm_default_colors;
 termios  FTerm::term_init;
@@ -1482,6 +1484,8 @@ int FTerm::UTF8decode(char* utf8)
 //----------------------------------------------------------------------
 void FTerm::init_consoleCharMap()
 {
+  uInt c1, c2, c3, c4, c5;
+
   if ( NewFont || VGAFont )
     return;
 
@@ -1504,6 +1508,26 @@ void FTerm::init_consoleCharMap()
         character[i][fc::PC] = character[i][fc::ASCII];
     }
   }
+
+  c1 = fc::UpperHalfBlock;
+  c2 = fc::LowerHalfBlock;
+  c3 = fc::FullBlock;
+
+  if (  charEncode(c1, fc::PC) == charEncode(c1, fc::ASCII)
+     || charEncode(c2, fc::PC) == charEncode(c2, fc::ASCII)
+     || charEncode(c3, fc::PC) == charEncode(c3, fc::ASCII) )
+  {
+     no_shadow_character = true;
+  }
+
+  c4 = fc::RightHalfBlock;
+  c5 = fc::LeftHalfBlock;
+
+  if (  charEncode(c4, fc::PC) == charEncode(c4, fc::ASCII)
+     || charEncode(c5, fc::PC) == charEncode(c5, fc::ASCII) )
+  {
+     no_half_block_character = true;
+  }
 }
 
 //----------------------------------------------------------------------
@@ -2956,9 +2980,10 @@ void FTerm::init()
   vt100_console           = \
   NewFont                 = \
   VGAFont                 = \
+  no_shadow_character     = \
+  no_half_block_character = \
   ascii_console           = \
   mouse_support           = \
-
   force_vt100             = \
   tera_terminal           = \
   kterm_terminal          = \

src/fterm.h

@@ -250,6 +250,8 @@ class FTerm
    static int          stdout_no;
    static bool         NewFont;
    static bool         VGAFont;
+   static bool         no_shadow_character;
+   static bool         no_half_block_character;
    static bool         cursor_optimisation;
    static bool         xterm_default_colors;
    static fc::encoding Encoding;

src/fwidget.cpp

@@ -1092,13 +1092,15 @@ void FWidget::show()
   if ( ! visible )
     return;
 
-  // Important: Do not use setNewFont() or setVGAFont() after
-  //            the console character mapping has been initialized
   if ( getMainWidget() == this )
   {
+    // Important: Do not use setNewFont() or setVGAFont() after
+    //            the console character mapping has been initialized
     init_consoleCharMap();
+
     // set xterm underline cursor
     setXTermCursorStyle(fc::blinking_underline);
+
     // set xterm color settings to defaults
     setXTermDefaults();
   }
@@ -1326,6 +1328,10 @@ void FWidget::drawShadow()
   {
     // non-transparent shadow
     int block;
+
+    if ( no_shadow_character )
+      return;
+
     setPrintPos (x2+1, y1);
 
     if ( isWindowWidget() )
@@ -1336,7 +1342,6 @@ void FWidget::drawShadow()
     else if ( FWidget* p = getParentWidget() )
       setColor (wc.shadow_fg, p->getBackgroundColor());
 
-
     if ( isTeraTerm() )
     {
       block = 0xdb; // █

test/input-dialog.cpp

@@ -58,12 +58,12 @@ int main (int argc, char* argv[])
   FLineEdit* st_field    = new FLineEdit(&dgl);
   FLineEdit* c_field     = new FLineEdit(&dgl);
 
-  name_field->setLabelText(L"&Name:");
+  name_field->setLabelText(L"&Name");
-  email_field->setLabelText(L"&Email:");
+  email_field->setLabelText(L"&Email");
-  org_field->setLabelText(L"Or&ganization:");
+  org_field->setLabelText(L"Or&ganization");
-  city_field->setLabelText(L"&City:");
+  city_field->setLabelText(L"&City");
-  st_field->setLabelText(L"&State:");
+  st_field->setLabelText(L"&State");
-  c_field->setLabelText(L"&Country:");
+  c_field->setLabelText(L"&Country");
 
   name_field->setGeometry(15, 1, 19, 1);
   email_field->setGeometry(15, 3, 19, 1);

test/ui.cpp

@@ -467,7 +467,7 @@ MyDialog::MyDialog (FWidget* parent)
   myLineEdit = new FLineEdit (this);
   myLineEdit->setGeometry(22, 1, 10, 1);
   myLineEdit->setText (FString("EnTry").toLower());
-  myLineEdit->setLabelText (L"&Input:");
+  myLineEdit->setLabelText (L"&Input");
   myLineEdit->setStatusbarMessage ("Press Enter to set the title");
 
   // Buttons