A colleague has been investigating this further and has managed to reproduce and identify the issue. It has to do with the cleanup of clipboard notifications, which is done incorrectly.
So the "good" news is that it only affects those that run multiple viewers at the same time. One at a time should not cause any issues. Fixing this requires modifications of FLTK. I've attached a patch for those interested. Rgds -- Pierre Ossman Software Development Cendio AB http://cendio.com Teknikringen 8 http://twitter.com/ThinLinc 583 30 Linköping http://facebook.com/ThinLinc Phone: +46-13-214600 http://plus.google.com/+CendioThinLinc A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?
Index: src/Fl_win32.cxx
===================================================================
--- src/Fl_win32.cxx (revision 10093)
+++ src/Fl_win32.cxx (revision 10094)
@@ -903,7 +907,6 @@
case WM_CLOSE: // user clicked close box
Fl::handle(FL_CLOSE, window);
- PostQuitMessage(0);
return 0;
case WM_SYNCPAINT :
@@ -1244,12 +1244,11 @@
return 0;
case WM_CHANGECBCHAIN:
- if ((hWnd == clipboard_wnd) &&
- (next_clipboard_wnd == (HWND)wParam)) {
+ if ((hWnd == clipboard_wnd) && (next_clipboard_wnd == (HWND)wParam))
next_clipboard_wnd = (HWND)lParam;
- return 0;
- }
- break;
+ else if (next_clipboard_wnd)
+ SendMessage(next_clipboard_wnd, WM_CHANGECBCHAIN, wParam, lParam);
+ return 0;
case WM_DRAWCLIPBOARD:
// When the clipboard moves between two FLTK windows,
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