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Add an unrealize function to GtkLabel

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We need to drpo the primary clipboard when the label
is getting unrealized while holding it. This fixes
a crash in the accessibility-dump test.
This commit is contained in:
Matthias Clasen 2017-12-26 23:32:49 -05:00
parent ed6992867e
commit 06ad134876
1 changed files with 17 additions and 0 deletions
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17
gtk/gtklabel.c
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@ -414,6 +414,7 @@ static gboolean gtk_label_focus (GtkWidget *widget,
GtkDirectionType direction); GtkDirectionType direction);
static void gtk_label_realize (GtkWidget *widget); static void gtk_label_realize (GtkWidget *widget);
static void gtk_label_unrealize (GtkWidget *widget);
static void gtk_label_unmap (GtkWidget *widget); static void gtk_label_unmap (GtkWidget *widget);
static void gtk_label_motion (GtkEventControllerMotion *controller, static void gtk_label_motion (GtkEventControllerMotion *controller,
@ -599,6 +600,7 @@ gtk_label_class_init (GtkLabelClass *class)
widget_class->query_tooltip = gtk_label_query_tooltip; widget_class->query_tooltip = gtk_label_query_tooltip;
widget_class->snapshot = gtk_label_snapshot; widget_class->snapshot = gtk_label_snapshot;
widget_class->realize = gtk_label_realize; widget_class->realize = gtk_label_realize;
widget_class->unrealize = gtk_label_unrealize;
widget_class->unmap = gtk_label_unmap; widget_class->unmap = gtk_label_unmap;
widget_class->hierarchy_changed = gtk_label_hierarchy_changed; widget_class->hierarchy_changed = gtk_label_hierarchy_changed;
widget_class->display_changed = gtk_label_display_changed; widget_class->display_changed = gtk_label_display_changed;
@ -4147,6 +4149,21 @@ gtk_label_realize (GtkWidget *widget)
gtk_label_set_selectable_hint (label); gtk_label_set_selectable_hint (label);
} }
static void
gtk_label_unrealize (GtkWidget *widget)
{
GtkLabel *label = GTK_LABEL (widget);
GtkLabelPrivate *priv = gtk_label_get_instance_private (label);
GdkClipboard *clipboard;
clipboard = gtk_widget_get_primary_clipboard (widget);
if (priv->select_info &&
gdk_clipboard_get_content (clipboard) == priv->select_info->provider)
gdk_clipboard_set_content (clipboard, NULL);
GTK_WIDGET_CLASS (gtk_label_parent_class)->unrealize (widget);
}
static void static void
gtk_label_unmap (GtkWidget *widget) gtk_label_unmap (GtkWidget *widget)
{ {