[evolution] Bug 763723 - Do not propagate mouse events to parent of EAttachmentBar

[Milan Crha <mcrha src gnome org>]

commit 9e29cd1ec4ce566dcacd436087fd468df6dfd74e
Author: Milan Crha <mcrha redhat com>
Date:   Fri Apr 1 11:09:43 2016 +0200

    Bug 763723 - Do not propagate mouse events to parent of EAttachmentBar

 e-util/e-attachment-bar.c |   39 +++++++++++++++++++++++++++++++++++++++
 1 files changed, 39 insertions(+), 0 deletions(-)
---
diff --git a/e-util/e-attachment-bar.c b/e-util/e-attachment-bar.c
index 8b850e5..8cebf96 100644
--- a/e-util/e-attachment-bar.c
+++ b/e-util/e-attachment-bar.c
@@ -482,10 +482,44 @@ attachment_bar_update_actions (EAttachmentView *view)
        e_attachment_view_update_actions (view);
 }
 
+static gboolean
+attachment_bar_button_press_event (GtkWidget *widget,
+                                  GdkEventButton *event)
+{
+       /* Chain up to parent's button_press_event() method. */
+       GTK_WIDGET_CLASS (e_attachment_bar_parent_class)->button_press_event (widget, event);
+
+       /* Never propagate the event to the parent */
+       return TRUE;
+}
+
+static gboolean
+attachment_bar_button_release_event (GtkWidget *widget,
+                                    GdkEventButton *event)
+{
+       /* Chain up to parent's button_release_event() method. */
+       GTK_WIDGET_CLASS (e_attachment_bar_parent_class)->button_release_event (widget, event);
+
+       /* Never propagate the event to the parent */
+       return TRUE;
+}
+
+static gboolean
+attachment_bar_motion_notify_event (GtkWidget *widget,
+                                   GdkEventMotion *event)
+{
+       /* Chain up to parent's motion_notify_event() method. */
+       GTK_WIDGET_CLASS (e_attachment_bar_parent_class)->motion_notify_event (widget, event);
+
+       /* Never propagate the event to the parent */
+       return TRUE;
+}
+
 static void
 e_attachment_bar_class_init (EAttachmentBarClass *class)
 {
        GObjectClass *object_class;
+       GtkWidgetClass *widget_class;
 
        g_type_class_add_private (class, sizeof (EAttachmentBarPrivate));
 
@@ -495,6 +529,11 @@ e_attachment_bar_class_init (EAttachmentBarClass *class)
        object_class->dispose = attachment_bar_dispose;
        object_class->constructed = attachment_bar_constructed;
 
+       widget_class = GTK_WIDGET_CLASS (class);
+       widget_class->button_press_event = attachment_bar_button_press_event;
+       widget_class->button_release_event = attachment_bar_button_release_event;
+       widget_class->motion_notify_event = attachment_bar_motion_notify_event;
+
        g_object_class_install_property (
                object_class,
                PROP_ACTIVE_VIEW,