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Windows' clipboard chain is a very fragile thing that can

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easily break if an application misbehaves and/or crashes.
So to minimise risk, don't register ourselves unless we
really need to.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10188 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Pierre Ossman
2014-06-10 14:23:46 +00:00
parent 6944612e56
commit f27bde8316
1 changed files with 16 additions and 2 deletions
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src/Fl_win32.cxx
+16 -2
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@@ -738,9 +738,20 @@ static HWND clipboard_wnd = 0;
static HWND next_clipboard_wnd = 0; static HWND next_clipboard_wnd = 0;
static bool initial_clipboard = true; static bool initial_clipboard = true;
void fl_clipboard_notify_target(HWND wnd);
void fl_clipboard_notify_change() { 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) { void fl_clipboard_notify_target(HWND wnd) {
@@ -1798,7 +1809,10 @@ Fl_X* Fl_X::make(Fl_Window* w) {
x->next = Fl_X::first; x->next = Fl_X::first;
Fl_X::first = x; 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; x->wait_for_expose = 1;
if (fl_show_iconic) {showit = 0; fl_show_iconic = 0;} if (fl_show_iconic) {showit = 0; fl_show_iconic = 0;}