diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl.cxx | 3 | ||||
| -rw-r--r-- | src/Fl_x.cxx | 13 |
2 files changed, 15 insertions, 1 deletions
diff --git a/src/Fl.cxx b/src/Fl.cxx index 70e1fc7b9..ac58a33f0 100644 --- a/src/Fl.cxx +++ b/src/Fl.cxx @@ -1439,7 +1439,8 @@ void Fl_Window::hide() { # if USE_XFT fl_destroy_xft_draw(ip->xid); # endif - XDestroyWindow(fl_display, ip->xid); + // this test makes sure ip->xid has not been destroyed already + if (ip->xid) XDestroyWindow(fl_display, ip->xid); #elif defined(WIN32) // this little trickery seems to avoid the popup window stacking problem HWND p = GetForegroundWindow(); diff --git a/src/Fl_x.cxx b/src/Fl_x.cxx index b9f12826b..1da68a139 100644 --- a/src/Fl_x.cxx +++ b/src/Fl_x.cxx @@ -1070,6 +1070,19 @@ int fl_handle(const XEvent& thisevent) if (window) switch (xevent.type) { + case DestroyNotify: { // an X11 window was closed externally from the program + Fl::handle(FL_CLOSE, window); + Fl_X* X = Fl_X::i(window); + if (X) { // indicates the FLTK window was not closed + X->xid = NULL; // indicates the X11 window was already destroyed + window->hide(); + int oldx = window->x(), oldy = window->y(); + window->position(0, 0); + window->position(oldx, oldy); + window->show(); // recreate the X11 window in support of the FLTK window + } + return 1; + } case ClientMessage: { Atom message = fl_xevent->xclient.message_type; const long* data = fl_xevent->xclient.data.l; |