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scale: Don't leave css nodes behind

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We create and destroy gadgets inside the scale hierarchy here,
and if we don't explicitly remove their CSS nodes from the parent,
they stick around.
This commit is contained in:
Matthias Clasen 2016-03-01 15:57:36 -05:00
parent 5889d2520f
commit 577783a19d
1 changed files with 8 additions and 0 deletions
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8
gtk/gtkscale.c
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@ -1869,8 +1869,12 @@ gtk_scale_mark_free (gpointer data)
{
GtkScaleMark *mark = data;
if (mark->label_gadget)
gtk_css_node_set_parent (gtk_css_gadget_get_node (mark->label_gadget), NULL);
g_clear_object (&mark->label_gadget);
gtk_css_node_set_parent (gtk_css_gadget_get_node (mark->indicator_gadget), NULL);
g_object_unref (mark->indicator_gadget);
gtk_css_node_set_parent (gtk_css_gadget_get_node (mark->gadget), NULL);
g_object_unref (mark->gadget);
g_free (mark->markup);
g_free (mark);
@ -1896,7 +1900,11 @@ gtk_scale_clear_marks (GtkScale *scale)
g_slist_free_full (priv->marks, gtk_scale_mark_free);
priv->marks = NULL;
if (priv->top_marks_gadget)
gtk_css_node_set_parent (gtk_css_gadget_get_node (priv->top_marks_gadget), NULL);
g_clear_object (&priv->top_marks_gadget);
if (priv->bottom_marks_gadget)
gtk_css_node_set_parent (gtk_css_gadget_get_node (priv->bottom_marks_gadget), NULL);
g_clear_object (&priv->bottom_marks_gadget);
_gtk_range_set_stop_values (GTK_RANGE (scale), NULL, 0);