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module/xwindow: de-registering events from active window may fail

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De-registering events from the previous active window may fail (when
the previous window has been destroyed).

Catch this early, and only log a debug message. This avoids having a
normal occurrence polluting the output with error messages.
This commit is contained in:
Daniel Eklöf 2019-01-20 12:04:29 +01:00
parent d86c9914e5
commit 4f5e22e231
1 changed files with 9 additions and 1 deletions
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10
modules/xwindow.c
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@ -39,10 +39,18 @@ static void
update_active_window(struct private *m)
{
if (m->active_win != 0) {
xcb_change_window_attributes(
xcb_void_cookie_t c = xcb_change_window_attributes_checked(
m->conn, m->active_win, XCB_CW_EVENT_MASK,
(const uint32_t []){XCB_EVENT_MASK_NO_EVENT});
xcb_generic_error_t *e = xcb_request_check(m->conn, c);
if (e != NULL) {
LOG_DBG(
"failed to de-register events on previous active window: %s",
xcb_error(e));
free(e);
}
m->active_win = 0;
}