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focus-manager: Make groups "refcounted"

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Rather than unconditionally removing a focus root in remove_group(),
decrement a counter that add_group() increments, and only actually
remove a focus root when the counter drops to 0.

https://bugzilla.gnome.org/show_bug.cgi?id=682243
This commit is contained in:
Florian Müllner 2012-09-14 17:55:42 +02:00
parent 4254fa3d38
commit 94c1d5a18c
1 changed files with 13 additions and 2 deletions
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15
src/st/st-focus-manager.c
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@ -180,10 +180,13 @@ void
st_focus_manager_add_group (StFocusManager *manager,
StWidget *root)
{
gpointer count_p = g_hash_table_lookup (manager->priv->groups, root);
int count = count_p ? GPOINTER_TO_INT (count_p) : 0;
g_signal_connect (root, "destroy",
G_CALLBACK (remove_destroyed_group),
manager);
g_hash_table_insert (manager->priv->groups, root, GINT_TO_POINTER (1));
g_hash_table_insert (manager->priv->groups, root, GINT_TO_POINTER (++count));
}
/**
@ -197,7 +200,15 @@ void
st_focus_manager_remove_group (StFocusManager *manager,
StWidget *root)
{
g_hash_table_remove (manager->priv->groups, root);
gpointer count_p = g_hash_table_lookup (manager->priv->groups, root);
int count = count_p ? GPOINTER_TO_INT (count_p) : 0;
if (count == 0)
return;
if (count == 1)
g_hash_table_remove (manager->priv->groups, root);
else
g_hash_table_insert (manager->priv->groups, root, GINT_TO_POINTER(--count));
}
/**