[gtk] viewport: Use gtk_widget_set_overflow()

[Benjamin Otte <otte src gnome org>]

commit 8ef417dad11ab43e88fb73429d5abf3ddf59da37
Author: Benjamin Otte <otte redhat com>
Date:   Fri Feb 8 18:05:40 2019 +0100

    viewport: Use gtk_widget_set_overflow()

 gtk/gtkviewport.c | 40 +---------------------------------------
 1 file changed, 1 insertion(+), 39 deletions(-)
---
diff --git a/gtk/gtkviewport.c b/gtk/gtkviewport.c
index d1f33c46fa..8a8f7e032a 100644
--- a/gtk/gtkviewport.c
+++ b/gtk/gtkviewport.c
@@ -31,7 +31,6 @@
 #include "gtkmarshalers.h"
 #include "gtkprivate.h"
 #include "gtkscrollable.h"
-#include "gtksnapshot.h"
 #include "gtktypebuiltins.h"
 #include "gtkwidgetprivate.h"
 
@@ -94,8 +93,6 @@ static void gtk_viewport_get_property             (GObject         *object,
                                                   GValue          *value,
                                                   GParamSpec      *pspec);
 static void gtk_viewport_destroy                  (GtkWidget        *widget);
-static void gtk_viewport_snapshot                 (GtkWidget        *widget,
-                                                  GtkSnapshot      *snapshot);
 static void gtk_viewport_size_allocate            (GtkWidget        *widget,
                                                    int               width,
                                                    int               height,
@@ -197,25 +194,6 @@ viewport_set_adjustment_values (GtkViewport    *viewport,
                             viewport_size);
 }
 
-static GtkWidget *
-gtk_viewport_pick (GtkWidget *widget,
-                   double     x,
-                   double     y)
-{
-  if (x >= 0 && x <= gtk_widget_get_width (widget) &&
-      y >= 0 && y <= gtk_widget_get_height(widget))
-    {
-      return GTK_WIDGET_CLASS (gtk_viewport_parent_class)->pick (widget, x, y);
-    }
-  else
-    {
-      if (gtk_widget_contains (widget, x, y))
-        return widget;
-      else
-        return NULL;
-    }
-}
-
 static void
 gtk_viewport_measure (GtkWidget      *widget,
                       GtkOrientation  orientation,
@@ -251,10 +229,8 @@ gtk_viewport_class_init (GtkViewportClass *class)
   gobject_class->get_property = gtk_viewport_get_property;
 
   widget_class->destroy = gtk_viewport_destroy;
-  widget_class->snapshot = gtk_viewport_snapshot;
   widget_class->size_allocate = gtk_viewport_size_allocate;
   widget_class->measure = gtk_viewport_measure;
-  widget_class->pick = gtk_viewport_pick;
   
   gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_VIEWPORT);
 
@@ -359,6 +335,7 @@ gtk_viewport_init (GtkViewport *viewport)
   widget = GTK_WIDGET (viewport);
 
   gtk_widget_set_has_surface (widget, FALSE);
+  gtk_widget_set_overflow (widget, GTK_OVERFLOW_HIDDEN);
 
   priv->shadow_type = GTK_SHADOW_IN;
   priv->hadjustment = NULL;
@@ -506,21 +483,6 @@ gtk_viewport_get_shadow_type (GtkViewport *viewport)
   return priv->shadow_type;
 }
 
-static void
-gtk_viewport_snapshot (GtkWidget   *widget,
-                       GtkSnapshot *snapshot)
-{
-  gtk_snapshot_push_clip (snapshot,
-                          &GRAPHENE_RECT_INIT(
-                            0, 0,
-                            gtk_widget_get_width (widget),
-                            gtk_widget_get_height (widget)));
-
-  GTK_WIDGET_CLASS (gtk_viewport_parent_class)->snapshot (widget, snapshot);
-
-  gtk_snapshot_pop (snapshot);
-}
-
 static void
 gtk_viewport_size_allocate (GtkWidget *widget,
                             int        width,