diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx index e00a92e41..ba8915b10 100644 --- a/src/Fl_win32.cxx +++ b/src/Fl_win32.cxx @@ -738,9 +738,20 @@ static HWND clipboard_wnd = 0; static HWND next_clipboard_wnd = 0; static bool initial_clipboard = true; +void fl_clipboard_notify_target(HWND wnd); void fl_clipboard_notify_change() { - // No need to do anything here... + // untarget clipboard monitor if no handlers are registered + if (clipboard_wnd != NULL && fl_clipboard_notify_empty()) + { + fl_clipboard_notify_untarget(clipboard_wnd); + return; + } + + // if there are clipboard notify handlers but no window targeted + // target first window if available + if (clipboard_wnd == NULL && Fl::first_window()) + fl_clipboard_notify_target(fl_xid(Fl::first_window())); } void fl_clipboard_notify_target(HWND wnd) { @@ -1798,7 +1809,10 @@ Fl_X* Fl_X::make(Fl_Window* w) { x->next = Fl_X::first; Fl_X::first = x; - fl_clipboard_notify_target(x->xid); + // Setup clipboard monitor target if there are registered handlers and + // no window is targeted. + if (!fl_clipboard_notify_empty() && clipboard_wnd == NULL) + fl_clipboard_notify_target(x->xid); x->wait_for_expose = 1; if (fl_show_iconic) {showit = 0; fl_show_iconic = 0;}