[gthumb/gthumb-3-4] grid view: fixed dragging action not started

[Paolo Bacchilega <paobac src gnome org>]

commit 2efe0a4c1e7dcd805ff88bf460797d6e3436224a
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Sep 11 09:53:09 2016 +0200

    grid view: fixed dragging action not started

 gthumb/gth-grid-view.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/gthumb/gth-grid-view.c b/gthumb/gth-grid-view.c
index 16e6a39..855b552 100644
--- a/gthumb/gth-grid-view.c
+++ b/gthumb/gth-grid-view.c
@@ -3160,6 +3160,10 @@ gth_grid_view_motion_notify (GtkWidget      *widget,
                        /**/
 
                        self->priv->drag_started = TRUE;
+                       self->priv->select_pending = FALSE;
+                       self->priv->activate_pending = FALSE;
+                       self->priv->selecting = FALSE;
+
                        context = gtk_drag_begin_with_coordinates (widget,
                                                                   self->priv->drag_target_list,
                                                                   self->priv->drag_actions,
@@ -3224,6 +3228,15 @@ gth_grid_view_motion_notify (GtkWidget      *widget,
 
 
 static void
+gth_grid_view_drag_end (GtkWidget      *widget,
+                       GdkDragContext *context,
+                       gpointer        user_data)
+{
+       _gth_grid_view_stop_dragging (GTH_GRID_VIEW (widget));
+}
+
+
+static void
 select_range_with_keyboard (GthGridView *self,
                            int          next_focused_item)
 {
@@ -3706,6 +3719,7 @@ gth_grid_view_class_init (GthGridViewClass *grid_view_class)
        widget_class->button_press_event = gth_grid_view_button_press;
        widget_class->button_release_event = gth_grid_view_button_release;
        widget_class->motion_notify_event = gth_grid_view_motion_notify;
+       widget_class->drag_end = gth_grid_view_drag_end;
 
        grid_view_class->select_all = gth_grid_view_select_all;
        grid_view_class->unselect_all = gth_grid_view_unselect_all;