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xwindow: check that window exists before setting opacity 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2009-09-30 15:59:02 +02:00
parent 4717feb02b
commit d5e3a25bbc
1 changed files with 9 additions and 6 deletions
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3
xwindow.c
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@ -183,6 +183,8 @@ xwindow_get_opacity_from_reply(xcb_get_property_reply_t *prop_r)
void
xwindow_set_opacity(xcb_window_t win, double opacity)
{
if(win)
{
if(opacity >= 0 && opacity <= 1)
{
uint32_t real_opacity = opacity * 0xffffffff;
@ -191,6 +193,7 @@ xwindow_set_opacity(xcb_window_t win, double opacity)
}
else
xcb_delete_property(globalconf.connection, win, _NET_WM_WINDOW_OPACITY);
}
}
/** Send WM_TAKE_FOCUS client message to window