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prefs: Fix binding remaining grabbed after clearing all strokes

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If a binding is updated with a clear set of strokes (effectively
disabling it) we aren't signaling that the binding changed and thus
the previous strokes will continue to be grabbed.

This fixes that and tries to do a better effort at checking if the
binding changed or not.

https://bugzilla.gnome.org/show_bug.cgi?id=697000
This commit is contained in:
Rui Matos 2013-03-31 20:18:54 +02:00
parent a8eb33f6fd
commit f86032d700
1 changed files with 32 additions and 9 deletions
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41
src/core/prefs.c
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@ -1850,10 +1850,11 @@ static gboolean
update_binding (MetaKeyPref *binding,
gchar **strokes)
{
GSList *old_bindings, *a, *b;
gboolean changed;
unsigned int keysym;
unsigned int keycode;
MetaVirtualModifier mods;
gboolean changed = FALSE;
MetaKeyCombo *combo;
int i;
@ -1861,13 +1862,9 @@ update_binding (MetaKeyPref *binding,
"Binding \"%s\" has new GSettings value\n",
binding->name);
/* Okay, so, we're about to provide a new list of key combos for this
* action. Delete any pre-existing list.
*/
g_slist_foreach (binding->bindings, (GFunc) g_free, NULL);
g_slist_free (binding->bindings);
old_bindings = binding->bindings;
binding->bindings = NULL;
for (i = 0; strokes && strokes[i]; i++)
{
keysym = 0;
@ -1902,8 +1899,6 @@ update_binding (MetaKeyPref *binding,
* Changing the key in response to a modification could lead to cyclic calls. */
continue;
}
changed = TRUE;
combo = g_malloc0 (sizeof (MetaKeyCombo));
combo->keysym = keysym;
@ -1918,6 +1913,34 @@ update_binding (MetaKeyPref *binding,
binding->bindings = g_slist_reverse (binding->bindings);
a = old_bindings;
b = binding->bindings;
while (TRUE)
{
if ((!a && b) || (a && !b))
{
changed = TRUE;
break;
}
else if (!a && !b)
{
changed = FALSE;
break;
}
else if (memcmp (a->data, b->data, sizeof (MetaKeyCombo)) != 0)
{
changed = TRUE;
break;
}
else
{
a = a->next;
b = b->next;
}
}
g_slist_free_full (old_bindings, g_free);
return changed;
}