Remove gtk_widget_get/set_has_surface

These serve no purpose anymore - widgets don't
have surfaces, unless they're a GtkNative.

demos/gtk-demo/bluroverlay.c

@@ -458,7 +458,6 @@ blur_overlay_class_init (BlurOverlayClass *klass)
 static void
 blur_overlay_init (BlurOverlay *overlay)
 {
-  gtk_widget_set_has_surface (GTK_WIDGET (overlay), FALSE);
 }
 
 GtkWidget *

demos/gtk-demo/demotaggedentry.c

@@ -41,8 +41,6 @@ demo_tagged_entry_init (DemoTaggedEntry *entry)
 {
   DemoTaggedEntryPrivate *priv = demo_tagged_entry_get_instance_private (entry);
 
-  gtk_widget_set_has_surface (GTK_WIDGET (entry), FALSE);
-
   priv->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
   gtk_widget_set_parent (priv->box, GTK_WIDGET (entry));
 
@@ -267,8 +265,6 @@ demo_tagged_entry_tag_init (DemoTaggedEntryTag *tag)
   GtkGesture *gesture;
   GtkCssProvider *provider;
 
-  gtk_widget_set_has_surface (GTK_WIDGET (tag), FALSE);
-
   tag->box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
   gtk_widget_set_parent (tag->box, GTK_WIDGET (tag));
   tag->label = gtk_label_new ("");

demos/gtk-demo/fontplane.c

@@ -209,7 +209,6 @@ gtk_font_plane_init (GtkFontPlane *plane)
 {
   GtkGesture *gesture;
 
-  gtk_widget_set_has_surface (GTK_WIDGET (plane), FALSE);
   gtk_widget_set_can_focus (GTK_WIDGET (plane), TRUE);
 
   gesture = gtk_gesture_drag_new ();

demos/gtk-demo/gtkfishbowl.c

@@ -67,8 +67,6 @@ gtk_fishbowl_init (GtkFishbowl *fishbowl)
 {
   GtkFishbowlPrivate *priv = gtk_fishbowl_get_instance_private (fishbowl);
 
-  gtk_widget_set_has_surface (GTK_WIDGET (fishbowl), FALSE);
-
   priv->update_delay = G_USEC_PER_SEC;
 }
 

demos/gtk-demo/paint.c

@@ -330,8 +330,6 @@ drawing_area_init (DrawingArea *area)
 {
   GtkGesture *gesture;
 
-  gtk_widget_set_has_surface (GTK_WIDGET (area), FALSE);
-
   gesture = gtk_gesture_stylus_new ();
   g_signal_connect (gesture, "down",
                     G_CALLBACK (stylus_gesture_down), area);

docs/reference/gtk/gtk4-sections.txt

@@ -4515,8 +4515,6 @@ gtk_widget_set_focus_on_click
 gtk_widget_set_focus_child
 gtk_widget_get_can_target
 gtk_widget_set_can_target
-gtk_widget_get_has_surface
-gtk_widget_set_has_surface
 gtk_widget_get_sensitive
 gtk_widget_is_sensitive
 gtk_widget_get_visible

gtk/gtkaccellabel.c

@@ -307,8 +307,6 @@ gtk_accel_label_init (GtkAccelLabel *accel_label)
 {
   GtkAccelLabelPrivate *priv = gtk_accel_label_get_instance_private (accel_label);
 
-  gtk_widget_set_has_surface (GTK_WIDGET (accel_label), FALSE);
-
   priv->accel_widget = NULL;
   priv->accel_closure = NULL;
   priv->accel_group = NULL;

gtk/gtkactionbar.c

@@ -278,8 +278,6 @@ gtk_action_bar_init (GtkActionBar *action_bar)
   GtkWidget *widget = GTK_WIDGET (action_bar);
   GtkActionBarPrivate *priv = gtk_action_bar_get_instance_private (action_bar);
 
-  gtk_widget_set_has_surface (widget, FALSE);
-
   priv->revealer = gtk_revealer_new ();
   gtk_widget_set_parent (priv->revealer, widget);
 

gtk/gtkappchooserbutton.c

@@ -749,7 +749,6 @@ static void
 gtk_app_chooser_button_init (GtkAppChooserButton *self)
 {
   GtkAppChooserButtonPrivate *priv = gtk_app_chooser_button_get_instance_private (self);
-  gtk_widget_set_has_surface (GTK_WIDGET (self), FALSE);
 
   priv->custom_item_names = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
   priv->store = gtk_list_store_new (NUM_COLUMNS,

gtk/gtkappchooserwidget.c

@@ -1181,8 +1181,6 @@ gtk_app_chooser_widget_init (GtkAppChooserWidget *self)
   GtkTreeModel *sort;
   GtkGesture *gesture;
 
-  gtk_widget_set_has_surface (GTK_WIDGET (self), FALSE);
-
   gtk_widget_init_template (GTK_WIDGET (self));
 
   /* Various parts of the GtkTreeView code need custom code to setup, mostly

gtk/gtkbin.c

@@ -98,7 +98,6 @@ gtk_bin_class_init (GtkBinClass *class)
 static void
 gtk_bin_init (GtkBin *bin)
 {
-  gtk_widget_set_has_surface (GTK_WIDGET (bin), FALSE);
 }
 
 static GType

gtk/gtkbox.c

@@ -346,8 +346,6 @@ gtk_box_init (GtkBox *box)
 {
   GtkBoxPrivate *priv = gtk_box_get_instance_private (box);
 
-  gtk_widget_set_has_surface (GTK_WIDGET (box), FALSE);
-
   priv->orientation = GTK_ORIENTATION_HORIZONTAL;
   _gtk_orientable_set_style_classes (GTK_ORIENTABLE (box));
 }

gtk/gtkbutton.c

@@ -413,7 +413,6 @@ gtk_button_init (GtkButton *button)
 
   gtk_widget_set_can_focus (GTK_WIDGET (button), TRUE);
   gtk_widget_set_receives_default (GTK_WIDGET (button), TRUE);
-  gtk_widget_set_has_surface (GTK_WIDGET (button), FALSE);
 
   priv->in_button = FALSE;
   priv->button_down = FALSE;

gtk/gtkcalendar.c

@@ -677,7 +677,6 @@ gtk_calendar_init (GtkCalendar *calendar)
 #endif
 
   gtk_widget_set_can_focus (widget, TRUE);
-  gtk_widget_set_has_surface (widget, FALSE);
 
   gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (calendar)),
                                GTK_STYLE_CLASS_VIEW);

gtk/gtkcellrendereraccel.c

@@ -788,8 +788,6 @@ gtk_cell_editable_widget_init (GtkCellEditableWidget *box)
   g_signal_connect (controller, "modifiers",
                     G_CALLBACK (key_controller_modifiers), box);
   gtk_widget_add_controller (widget, controller);
-
-  gtk_widget_set_has_surface (widget, FALSE);
 }
 
 static GtkWidget *

gtk/gtkcellview.c

@@ -445,8 +445,6 @@ gtk_cell_view_init (GtkCellView *cellview)
   GtkCellViewPrivate *priv = gtk_cell_view_get_instance_private (cellview);
 
   priv->orientation = GTK_ORIENTATION_HORIZONTAL;
-
-  gtk_widget_set_has_surface (GTK_WIDGET (cellview), FALSE);
 }
 
 static void

gtk/gtkcenterbox.c

@@ -661,8 +661,6 @@ gtk_center_box_class_init (GtkCenterBoxClass *klass)
 static void
 gtk_center_box_init (GtkCenterBox *self)
 {
-  gtk_widget_set_has_surface (GTK_WIDGET (self), FALSE);
-
   self->start_widget = NULL;
   self->center_widget = NULL;
   self->end_widget = NULL;

gtk/gtkcolorbutton.c

@@ -374,8 +374,6 @@ gtk_color_button_init (GtkColorButton *button)
   GtkStyleContext *context;
   GdkContentFormats *targets;
 
-  gtk_widget_set_has_surface (GTK_WIDGET (button), FALSE);
-
   priv->button = gtk_button_new ();
   g_signal_connect (priv->button, "clicked", G_CALLBACK (gtk_color_button_clicked), button);
   gtk_widget_set_parent (priv->button, GTK_WIDGET (button));

gtk/gtkcolorplane.c

@@ -400,7 +400,6 @@ gtk_color_plane_init (GtkColorPlane *plane)
 
   plane->priv = gtk_color_plane_get_instance_private (plane);
 
-  gtk_widget_set_has_surface (GTK_WIDGET (plane), FALSE);
   gtk_widget_set_can_focus (GTK_WIDGET (plane), TRUE);
 
   atk_obj = gtk_widget_get_accessible (GTK_WIDGET (plane));

gtk/gtkcolorswatch.c

@@ -571,7 +571,6 @@ gtk_color_swatch_init (GtkColorSwatch *swatch)
   priv->has_menu = TRUE;
 
   gtk_widget_set_can_focus (GTK_WIDGET (swatch), TRUE);
-  gtk_widget_set_has_surface (GTK_WIDGET (swatch), FALSE);
   gtk_widget_set_overflow (GTK_WIDGET (swatch), GTK_OVERFLOW_HIDDEN);
 
   gesture = gtk_gesture_long_press_new ();