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win: put window into UNMAPPED state before mapping

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Make sure before the mapping operation begins, the window is always in
UNUNMAPPED state. This makes it easier to reason about things, such as
resource availability, etc.

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui
2019-03-17 03:27:29 +00:00
parent fed6ac5b09
commit aa742146f1
1 changed files with 6 additions and 0 deletions
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6
src/win.c
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@ -1623,11 +1623,17 @@ void map_win(session_t *ps, win *w) {
log_debug("Mapping (%#010x \"%s\")", w->id, w->name);
assert(w->state != WSTATE_DESTROYING);
if (w->state != WSTATE_UNMAPPED && w->state != WSTATE_UNMAPPING) {
log_warn("Mapping an already mapped window");
return;
}
if (w->state == WSTATE_UNMAPPING) {
win_skip_fading(ps, &w);
assert(w);
}
// We stopped processing window size change when we were unmapped, refresh the
// size of the window
xcb_get_geometry_cookie_t gcookie = xcb_get_geometry(ps->c, w->id);