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shell: Don't try to switch to a NULL shell surface.

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Fixes the crash from alt+tab when there's a fullscreen surface.
This commit is contained in:
Rafael Antognolli 2013-12-05 19:01:21 -02:00 committed by Kristian Høgsberg
parent db59f9a53f
commit 5031cbe7b4
1 changed files with 3 additions and 10 deletions
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13
desktop-shell/shell.c
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@ -5172,10 +5172,9 @@ switcher_next(struct switcher *switcher)
wl_list_for_each(view, &ws->layer.view_list, layer_link) {
shsurf = get_shell_surface(view->surface);
switch (shsurf->type) {
case SHELL_SURFACE_TOPLEVEL:
if (shsurf->parent)
break;
if (shsurf &&
shsurf->type == SHELL_SURFACE_TOPLEVEL &&
shsurf->parent == NULL) {
if (first == NULL)
first = view->surface;
if (prev == switcher->current)
@ -5184,12 +5183,6 @@ switcher_next(struct switcher *switcher)
view->alpha = 0.25;
weston_view_geometry_dirty(view);
weston_surface_damage(view->surface);
break;
case SHELL_SURFACE_POPUP:
case SHELL_SURFACE_XWAYLAND:
case SHELL_SURFACE_NONE:
default:
break;
}
if (is_black_surface(view->surface, NULL)) {