[gtk+] Revert "gtkwidget: Ensure unrealization during event dispatching cancels gestures"

[Carlos Garnacho <carlosg src gnome org>]

commit f860afc92edb85ad60b17071fdf7e83fc947743c
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Sep 18 12:59:00 2015 +0200

    Revert "gtkwidget: Ensure unrealization during event dispatching cancels gestures"
    
    This reverts commit 13873d2c507783042df55ad2c48f37a346121fd0.

 gtk/gtkwidget.c |   34 ++--------------------------------
 1 files changed, 2 insertions(+), 32 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index ebfc1ff..ffd6b99 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -7356,22 +7356,6 @@ cancel_event_sequence_on_hierarchy (GtkWidget        *widget,
     }
 }
 
-static void
-event_check_cancel_sequence_on_hierarchy (GtkWidget *widget,
-                                          GdkEvent  *event)
-{
-  GdkDevice *source_device;
-
-  source_device = gdk_event_get_source_device (event);
-
-  if (source_device &&
-      gdk_device_get_source (source_device) != GDK_SOURCE_KEYBOARD &&
-      event->type != GDK_ENTER_NOTIFY && event->type != GDK_LEAVE_NOTIFY)
-    cancel_event_sequence_on_hierarchy (widget,
-                                        gtk_get_event_widget (event),
-                                        gdk_event_get_event_sequence (event));
-}
-
 gboolean
 _gtk_widget_captured_event (GtkWidget *widget,
                             GdkEvent  *event)
@@ -7402,15 +7386,7 @@ _gtk_widget_captured_event (GtkWidget *widget,
   g_object_ref (widget);
 
   return_val |= handler (widget, event);
-
-  if (!WIDGET_REALIZED_FOR_EVENT (widget, event))
-    {
-      /* We stop event propagation, but still we must ensure the sequence is
-       * cancelled across the widget hierarchy.
-       */
-      event_check_cancel_sequence_on_hierarchy (widget, event);
-      return_val = TRUE;
-    }
+  return_val |= !WIDGET_REALIZED_FOR_EVENT (widget, event);
 
   /* The widget that was originally to receive the event
    * handles motion hints, but the capturing widget might
@@ -7725,13 +7701,7 @@ gtk_widget_event_internal (GtkWidget *widget,
   if (WIDGET_REALIZED_FOR_EVENT (widget, event))
     g_signal_emit (widget, widget_signals[EVENT_AFTER], 0, event);
   else
-    {
-      /* We stop event propagation, but still we must ensure the sequence is
-       * cancelled across the widget hierarchy.
-       */
-      event_check_cancel_sequence_on_hierarchy (widget, event);
-      return_val = TRUE;
-    }
+    return_val = TRUE;
 
   g_object_unref (widget);