Opengl_Window should not take the keyboard focus by force as soon the
mouse enters its area (this messes up the processing of other windows
shortcuts). Instead, it should only force the focus when it gets a
mouse click. This is much nicer.

Fltk/Colorbar_Window.cpp

-// $Id: Colorbar_Window.cpp,v 1.46 2004-12-31 04:04:50 geuzaine Exp $
+// $Id: Colorbar_Window.cpp,v 1.47 2004-12-31 06:01:35 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -352,13 +352,15 @@ int Colorbar_Window::handle(int event)
 
   switch (event) {
 
+  case FL_FOCUS: // accept focus events when asked
+  case FL_UNFOCUS:
+    return 1;
+
   case FL_ENTER:
-    take_focus();       //force keyboard focus on the ColorbarWindow    
+    take_focus(); // force keyboard focus as soon as the mouse enters
     return 1;
 
   case FL_LEAVE:
-  case FL_FOCUS:
-  case FL_UNFOCUS:
     return 1;
 
   case FL_SHORTCUT:

Fltk/Opengl_Window.cpp

-// $Id: Opengl_Window.cpp,v 1.43 2004-12-24 03:25:37 geuzaine Exp $
+// $Id: Opengl_Window.cpp,v 1.44 2004-12-31 06:01:35 geuzaine Exp $
 //
 // Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
 //
@@ -132,16 +132,7 @@ int Opengl_Window::handle(int event)
 
   switch (event) {
 
-  case FL_ENTER:
-    take_focus();       //force keyboard focus on the Opengl_Window
-    return 1;
-
-  case FL_LEAVE:
-    return 1;
-
-  case FL_FOCUS:
-    return 1;
-
+  case FL_FOCUS: // accept the focus when I'm asked if I want it
   case FL_UNFOCUS:
     return 1;
 
@@ -154,6 +145,7 @@ int Opengl_Window::handle(int event)
     return Fl_Gl_Window::handle(event);
 
   case FL_PUSH:
+    take_focus(); // force keyboard focus when we click in the window
     FirstClick = 1;
     ibut = Fl::event_button();
     xpos = Fl::event_x();
@@ -295,7 +287,6 @@ int Opengl_Window::handle(int event)
     ypos += ymov;
     return 1;
 
-
   case FL_MOVE:
     xmov = Fl::event_x() - xpos;
     ymov = Fl::event_y() - ypos;