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window/wayland: Don't initialize a window as showing

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With Wayland, a window is not showing until it's shown. Until this
patch, the initial state of MetaWindow, on the other hand, was that a
window is initialized as showing. This means that for a window to
actually be classified as shown (MetaWindow::hidden set to FALSE),
something would first have to hide it.

Normally, this wasn't an issue, as normally we'd first create a window,
determine it shouldn't be visible (due to missing buffer), hide it
before the next paint, then eventually show it. This doesn't work if
mutter isn't drawing any frames at the moment (e.g. the user switched
VT), as we'd miss the hiding before showing as e result of a buffer
being attached. The most visible side effect is that a window can't be
moved as the window actor remains frozen.

This commit fixes this issue by correctly classifying a newly created
Wayland window as "hidden".

Fixes: https://gitlab.gnome.org/GNOME/mutter/issues/331


(cherry picked from commit 49780245f4)
This commit is contained in:
Jonas Ådahl 2018-10-05 13:31:46 +00:00 committed by Marco Trevisan
parent 6603925f72
commit b63bbda431
1 changed files with 11 additions and 5 deletions
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16
src/core/window.c
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@ -1032,7 +1032,6 @@ _meta_window_shared_new (MetaDisplay *display,
window->tab_unminimized = FALSE; window->tab_unminimized = FALSE;
window->iconic = FALSE; window->iconic = FALSE;
window->mapped = attrs->map_state != IsUnmapped; window->mapped = attrs->map_state != IsUnmapped;
window->hidden = FALSE;
window->known_to_compositor = FALSE; window->known_to_compositor = FALSE;
window->visible_to_compositor = FALSE; window->visible_to_compositor = FALSE;
window->pending_compositor_effect = effect; window->pending_compositor_effect = effect;
@ -1071,10 +1070,17 @@ _meta_window_shared_new (MetaDisplay *display,
window->mwm_has_move_func = TRUE; window->mwm_has_move_func = TRUE;
window->mwm_has_resize_func = TRUE; window->mwm_has_resize_func = TRUE;
if (client_type == META_WINDOW_CLIENT_TYPE_X11) switch (client_type)
window->decorated = TRUE; {
else case META_WINDOW_CLIENT_TYPE_X11:
window->decorated = FALSE; window->decorated = TRUE;
window->hidden = FALSE;
break;
case META_WINDOW_CLIENT_TYPE_WAYLAND:
window->decorated = FALSE;
window->hidden = TRUE;
break;
}
window->has_close_func = TRUE; window->has_close_func = TRUE;
window->has_minimize_func = TRUE; window->has_minimize_func = TRUE;