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author | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2016-05-12 19:29:36 +0300 |
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committer | Alberts Muktupāvels <alberts.muktupavels@gmail.com> | 2016-06-29 16:59:25 +0300 |
commit | d0712f865451fd44cd25f2862012fb64fcf24368 (patch) | |
tree | cff06fd2f60e585fd5ac65943013a1eefc7b4a44 | |
parent | ccedb2e969594f5a480e7a9ac8737b05d8898fe1 (diff) | |
download | metacity-d0712f865451fd44cd25f2862012fb64fcf24368.tar.gz |
constraints: validate fullscreen monitors before using them
https://bugzilla.gnome.org/show_bug.cgi?id=766156
-rw-r--r-- | src/core/constraints.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/core/constraints.c b/src/core/constraints.c index 167958ce..65e81f6c 100644 --- a/src/core/constraints.c +++ b/src/core/constraints.c @@ -337,6 +337,27 @@ meta_window_constrain (MetaWindow *window, g_free (info.borders); } +static gboolean +validate_fullscreen_monitors (MetaWindow *window) +{ + gint i; + + if (window->fullscreen_monitors[0] == -1) + return FALSE; + + for (i = 0; i < 4; i++) + { + gint monitor; + + monitor = window->fullscreen_monitors[i]; + + if (monitor < 0 || monitor > window->screen->n_xinerama_infos) + return FALSE; + } + + return TRUE; +} + static void setup_constraint_info (ConstraintInfo *info, MetaWindow *window, @@ -412,7 +433,7 @@ setup_constraint_info (ConstraintInfo *info, xinerama_info->number, &info->work_area_xinerama); - if (!window->fullscreen || window->fullscreen_monitors[0] == -1) + if (!window->fullscreen || !validate_fullscreen_monitors (window)) { info->entire_xinerama = xinerama_info->rect; } |