[gtk+] iconview: Unset prelit item in leave-notify

[Benjamin Otte <otte src gnome org>]

commit 6b16c795babec299ed8f0ff31fb758ddaac1eafa
Author: Benjamin Otte <otte redhat com>
Date:   Tue Sep 16 04:17:01 2014 +0200

    iconview: Unset prelit item in leave-notify
    
    We don't want to keep a prelit item when the mouse cursor is elsewhere.

 gtk/gtkiconview.c |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkiconview.c b/gtk/gtkiconview.c
index bdafff7..e1462ee 100644
--- a/gtk/gtkiconview.c
+++ b/gtk/gtkiconview.c
@@ -156,6 +156,8 @@ static gboolean         gtk_icon_view_draw                      (GtkWidget
                                                                  cairo_t            *cr);
 static gboolean         gtk_icon_view_motion                    (GtkWidget          *widget,
                                                                 GdkEventMotion     *event);
+static gboolean         gtk_icon_view_leave                     (GtkWidget          *widget,
+                                                                GdkEventCrossing   *event);
 static gboolean         gtk_icon_view_button_press              (GtkWidget          *widget,
                                                                 GdkEventButton     *event);
 static gboolean         gtk_icon_view_button_release            (GtkWidget          *widget,
@@ -357,6 +359,7 @@ gtk_icon_view_class_init (GtkIconViewClass *klass)
   widget_class->size_allocate = gtk_icon_view_size_allocate;
   widget_class->draw = gtk_icon_view_draw;
   widget_class->motion_notify_event = gtk_icon_view_motion;
+  widget_class->leave_notify_event = gtk_icon_view_leave;
   widget_class->button_press_event = gtk_icon_view_button_press;
   widget_class->button_release_event = gtk_icon_view_button_release;
   widget_class->key_press_event = gtk_icon_view_key_press;
@@ -1307,6 +1310,7 @@ gtk_icon_view_realize (GtkWidget *widget)
                            GDK_SCROLL_MASK |
                            GDK_SMOOTH_SCROLL_MASK |
                            GDK_POINTER_MOTION_MASK |
+                           GDK_LEAVE_NOTIFY_MASK |
                            GDK_BUTTON_PRESS_MASK |
                            GDK_BUTTON_RELEASE_MASK |
                            GDK_KEY_PRESS_MASK |
@@ -2058,6 +2062,25 @@ gtk_icon_view_motion (GtkWidget      *widget,
   return TRUE;
 }
 
+static gboolean
+gtk_icon_view_leave (GtkWidget        *widget,
+                     GdkEventCrossing *event)
+{
+  GtkIconView *icon_view;
+  GtkIconViewPrivate *priv;
+
+  icon_view = GTK_ICON_VIEW (widget);
+  priv = icon_view->priv;
+
+  if (priv->last_prelight)
+    {
+      gtk_icon_view_queue_draw_item (icon_view, priv->last_prelight);
+      priv->last_prelight = NULL;
+    }
+
+  return FALSE;
+}
+
 static void
 gtk_icon_view_remove (GtkContainer *container,
                      GtkWidget    *widget)