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Possible fix for nested Fl_Double_Window bug on WIN32.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2908 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet 2003-01-15 00:14:46 +00:00
parent 7fe8eeafb2
commit e695187237
2 changed files with 18 additions and 4 deletions
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2
CHANGES
View File

@ -1,6 +1,8 @@
CHANGES IN FLTK 1.1.3
- Documentation updates.
- Fl_Double_Window couldn't be nested on WIN32. [SF Bug
#658219]
- Fl_Slider didn't call the callback function when the
user changed the value using the keyboard and the
"when" condition was FL_WHEN_RELEASE. [SF Bug #647072]

20
src/Fl_Double_Window.cxx
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@ -1,5 +1,5 @@
//
// "$Id: Fl_Double_Window.cxx,v 1.12.2.4.2.5 2002/01/01 15:11:30 easysw Exp $"
// "$Id: Fl_Double_Window.cxx,v 1.12.2.4.2.6 2003/01/15 00:14:46 easysw Exp $"
//
// Double-buffered window code for the Fast Light Tool Kit (FLTK).
//
@ -187,6 +187,15 @@ extern void fl_restore_clip();
void Fl_Double_Window::flush() {flush(0);}
void Fl_Double_Window::flush(int eraseoverlay) {
#ifdef WIN32
// Windows seems to have trouble doing the double-buffer thing in sub-
// windows, so only create the backbuffer stuff for top-level windows.
if (parent()) {
Fl_Window::flush();
return;
}
#endif // WIN32
make_current(); // make sure fl_gc is non-zero
Fl_X *myi = Fl_X::i(this);
if (!myi->other_xid) {
@ -196,8 +205,11 @@ void Fl_Double_Window::flush(int eraseoverlay) {
else
#endif
#ifdef __APPLE__
// the Apple OS X window manager double buffers ALL windows anyway, so there is no need to waste memory and time
// BTW: Windows2000 and later also forces doublebuffering if transparent windows are beeing used (alpha channel)
// the Apple OS X window manager double buffers ALL windows
// anyway, so there is no need to waste memory and time.
//
// BTW: Windows2000 and later also forces doublebuffering if
// transparent windows are beeing used (alpha channel)
if ( ( !QDIsPortBuffered( GetWindowPort(myi->xid) ) ) || force_doublebuffering_ )
myi->other_xid = fl_create_offscreen(w(), h());
#else
@ -296,5 +308,5 @@ Fl_Double_Window::~Fl_Double_Window() {
}
//
// End of "$Id: Fl_Double_Window.cxx,v 1.12.2.4.2.5 2002/01/01 15:11:30 easysw Exp $".
// End of "$Id: Fl_Double_Window.cxx,v 1.12.2.4.2.6 2003/01/15 00:14:46 easysw Exp $".
//