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check if the window exists before trying to focus it

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This commit is contained in:
Dana Jansens 2003-01-23 03:44:18 +00:00
parent 6266b9e0c1
commit bb5a07b3e1
1 changed files with 8 additions and 0 deletions
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8
src/client.cc
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@ -1196,6 +1196,14 @@ bool Client::focus() const
if (_focused) return true;
// do a check to see if the window has already been unmapped or destroyed
XEvent ev;
if (XCheckTypedWindowEvent(**otk::display, _window, UnmapNotify, &ev) ||
XCheckTypedWindowEvent(**otk::display, _window, DestroyNotify, &ev)) {
XPutBackEvent(**otk::display, &ev);
return false;
}
if (_can_focus)
XSetInputFocus(**otk::display, _window,
RevertToNone, CurrentTime);