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GtkStyleContext: don't use disconnect_by_func()

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disconnect_by_func() is slow, and this becomes particularly evident
when disposing a number of widgets (and their associated style
context) at once, such as when using a language binding which
uses a GC.

https://bugzilla.gnome.org/show_bug.cgi?id=723183
This commit is contained in:
Giovanni Campagna 2014-01-28 19:47:05 +01:00
parent 71b17b4756
commit 8e19b76543
1 changed files with 12 additions and 13 deletions
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25
gtk/gtkstylecontext.c
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@ -355,8 +355,8 @@ struct _GtkStyleContextPrivate
{
GdkScreen *screen;
guint cascade_changed_id;
GtkStyleCascade *cascade;
GtkStyleContext *parent;
GSList *children;
GtkWidget *widget;
@ -684,21 +684,20 @@ gtk_style_context_set_cascade (GtkStyleContext *context,
if (priv->cascade == cascade)
return;
if (priv->cascade)
{
g_signal_handler_disconnect (priv->cascade, priv->cascade_changed_id);
priv->cascade_changed_id = 0;
g_object_unref (priv->cascade);
}
if (cascade)
{
g_object_ref (cascade);
g_signal_connect (cascade,
"-gtk-private-changed",
G_CALLBACK (gtk_style_context_cascade_changed),
context);
}
if (priv->cascade)
{
g_signal_handlers_disconnect_by_func (priv->cascade,
gtk_style_context_cascade_changed,
context);
g_object_unref (priv->cascade);
priv->cascade_changed_id = g_signal_connect (cascade,
"-gtk-private-changed",
G_CALLBACK (gtk_style_context_cascade_changed),
context);
}
priv->cascade = cascade;