[gtk+/multitouch: 43/48] scrolledwindow: Add GdkDevice parameter to ::press-and-hold handler

[Carlos Garnacho <carlosg src gnome org>]

commit aabe9be4ffca041b720061aa6e72ab45fda08119
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Nov 1 12:42:15 2011 +0100

    scrolledwindow: Add GdkDevice parameter to ::press-and-hold handler

 gtk/gtkscrolledwindow.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index a55536b..410ba83 100644
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -231,6 +231,7 @@ static gboolean gtk_scrolled_window_scroll_event       (GtkWidget         *widge
 static gboolean gtk_scrolled_window_button_press_event (GtkWidget         *widget,
                                                         GdkEvent          *event);
 static gboolean gtk_scrolled_window_press_and_hold      (GtkWidget        *widget,
+                                                         GdkDevice        *device,
                                                          GtkPressAndHoldAction action,
                                                          gint              x,
                                                          gint              y);
@@ -2818,6 +2819,7 @@ gtk_scrolled_window_start_deceleration (GtkScrolledWindow *scrolled_window,
 
 static gboolean
 gtk_scrolled_window_press_and_hold (GtkWidget             *widget,
+                                    GdkDevice             *device,
                                     GtkPressAndHoldAction  action,
                                     gint                   x,
                                     gint                   y)
@@ -2833,8 +2835,11 @@ gtk_scrolled_window_press_and_hold (GtkWidget             *widget,
       /* Cancel the scrolling and send the button press
        * event to the child widget
        */
+      if (!priv->button_press_event ||
+	  device != gdk_event_get_device (priv->button_press_event))
+        return FALSE;
 
-      gdk_device_ungrab (gdk_event_get_device (priv->button_press_event), GDK_CURRENT_TIME);
+      gdk_device_ungrab (device, GDK_CURRENT_TIME);
 
       if (priv->motion_notify_id > 0)
         {