diff options
| -rw-r--r-- | CHANGES | 1 | ||||
| -rw-r--r-- | src/Fl_win32.cxx | 7 |
2 files changed, 7 insertions, 1 deletions
@@ -2,6 +2,7 @@ CHANGES IN FLTK 1.1.7 - Documentation fixes (STR #648, STR #692, STR #730, STR #744, STR #745, STR #942) + - WIN32: Internal WM_PAINT message now ignored (STR #831) - Added Windows support for Fl_Window::xclass() (STR #848) - Floating point input field allows characters from current locale (STR #903) diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx index 723f76297..c135d3256 100644 --- a/src/Fl_win32.cxx +++ b/src/Fl_win32.cxx @@ -601,14 +601,19 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lPar Fl_Region R; Fl_X *i = Fl_X::i(window); i->wait_for_expose = 0; + char redraw_whole_window = false; if (!i->region && window->damage()) { // Redraw the whole window... i->region = CreateRectRgn(0, 0, window->w(), window->h()); + redraw_whole_window = true; } // We need to merge WIN32's damage into FLTK's damage. R = CreateRectRgn(0,0,0,0); - GetUpdateRgn(hWnd,R,0); + int r = GetUpdateRgn(hWnd,R,0); + if (r==NULLREGION && !redraw_whole_window) { + break; + } if (i->region) { // Also tell WIN32 that we are drawing someplace else as well... |