GtkAdjustment *vadjustment;
GtkShadowType shadow_type;
- GdkWindow *bin_window;
-
/* GtkScrollablePolicy needs to be checked when
* driving the scrollable adjustment values */
guint hscroll_policy : 1;
GValue *value,
GParamSpec *pspec);
static void gtk_viewport_destroy (GtkWidget *widget);
-static void gtk_viewport_realize (GtkWidget *widget);
-static void gtk_viewport_unrealize (GtkWidget *widget);
static void gtk_viewport_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot);
-static void gtk_viewport_add (GtkContainer *container,
- GtkWidget *widget);
static void gtk_viewport_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_viewport_adjustment_value_changed (GtkAdjustment *adjustment,
{
GObjectClass *gobject_class;
GtkWidgetClass *widget_class;
- GtkContainerClass *container_class;
gobject_class = G_OBJECT_CLASS (class);
widget_class = (GtkWidgetClass*) class;
- container_class = (GtkContainerClass*) class;
gobject_class->set_property = gtk_viewport_set_property;
gobject_class->get_property = gtk_viewport_get_property;
widget_class->destroy = gtk_viewport_destroy;
- widget_class->realize = gtk_viewport_realize;
- widget_class->unrealize = gtk_viewport_unrealize;
widget_class->snapshot = gtk_viewport_snapshot;
widget_class->size_allocate = gtk_viewport_size_allocate;
widget_class->measure = gtk_viewport_measure;
gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_VIEWPORT);
- container_class->add = gtk_viewport_add;
-
/* GtkScrollable implementation */
g_object_class_override_property (gobject_class, PROP_HADJUSTMENT, "hadjustment");
g_object_class_override_property (gobject_class, PROP_VADJUSTMENT, "vadjustment");
gtk_widget_set_redraw_on_allocate (widget, FALSE);
priv->shadow_type = GTK_SHADOW_IN;
- priv->bin_window = NULL;
priv->hadjustment = NULL;
priv->vadjustment = NULL;
return viewport->priv->shadow_type;
}
-static void
-gtk_viewport_realize (GtkWidget *widget)
-{
- GtkViewport *viewport = GTK_VIEWPORT (widget);
- GtkViewportPrivate *priv = viewport->priv;
- GtkBin *bin = GTK_BIN (widget);
- GtkAdjustment *hadjustment = priv->hadjustment;
- GtkAdjustment *vadjustment = priv->vadjustment;
- GtkAllocation view_allocation;
- GtkWidget *child;
-
- GTK_WIDGET_CLASS (gtk_viewport_parent_class)->realize (widget);
-
- gtk_widget_get_content_allocation (widget, &view_allocation);
-
- priv->bin_window = gdk_window_new_child (gtk_widget_get_window (widget),
- GDK_ALL_EVENTS_MASK,
- &(GdkRectangle) {
- view_allocation.x - gtk_adjustment_get_value (hadjustment),
- view_allocation.y - gtk_adjustment_get_value (vadjustment),
- gtk_adjustment_get_upper (hadjustment),
- gtk_adjustment_get_upper (vadjustment)});
- gtk_widget_register_window (widget, priv->bin_window);
-
- child = gtk_bin_get_child (bin);
- if (child)
- gtk_widget_set_parent_window (child, priv->bin_window);
-
- gdk_window_show (priv->bin_window);
-}
-
-static void
-gtk_viewport_unrealize (GtkWidget *widget)
-{
- GtkViewport *viewport = GTK_VIEWPORT (widget);
- GtkViewportPrivate *priv = viewport->priv;
-
- gtk_widget_unregister_window (widget, priv->bin_window);
- gdk_window_destroy (priv->bin_window);
- priv->bin_window = NULL;
-
- GTK_WIDGET_CLASS (gtk_viewport_parent_class)->unrealize (widget);
-}
-
static void
gtk_viewport_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
gtk_snapshot_pop (snapshot);
}
-static void
-gtk_viewport_add (GtkContainer *container,
- GtkWidget *child)
-{
- GtkBin *bin = GTK_BIN (container);
- GtkViewport *viewport = GTK_VIEWPORT (bin);
- GtkViewportPrivate *priv = viewport->priv;
-
- g_return_if_fail (gtk_bin_get_child (bin) == NULL);
-
- gtk_widget_set_parent_window (child, priv->bin_window);
-
- GTK_CONTAINER_CLASS (gtk_viewport_parent_class)->add (container, child);
-}
-
static void
gtk_viewport_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkViewport *viewport = GTK_VIEWPORT (widget);
GtkViewportPrivate *priv = viewport->priv;
- GtkAllocation clip = *allocation, widget_allocation;
+ GtkAllocation clip = *allocation;
GtkAdjustment *hadjustment = priv->hadjustment;
GtkAdjustment *vadjustment = priv->vadjustment;
GtkWidget *child;
- /* If our size changed, and we have a shadow, queue a redraw on widget->window to
- * redraw the shadow correctly.
- */
- gtk_widget_get_allocation (widget, &widget_allocation);
- if (gtk_widget_get_mapped (widget) &&
- priv->shadow_type != GTK_SHADOW_NONE &&
- (widget_allocation.width != allocation->width ||
- widget_allocation.height != allocation->height))
- gdk_window_invalidate_rect (gtk_widget_get_window (widget), NULL, FALSE);
-
g_object_freeze_notify (G_OBJECT (hadjustment));
g_object_freeze_notify (G_OBJECT (vadjustment));
viewport_set_adjustment_values (viewport, GTK_ORIENTATION_HORIZONTAL);
viewport_set_adjustment_values (viewport, GTK_ORIENTATION_VERTICAL);
- if (gtk_widget_get_realized (widget))
- {
- gdk_window_move_resize (priv->bin_window,
- allocation->x - gtk_adjustment_get_value (hadjustment),
- allocation->y - gtk_adjustment_get_value (vadjustment),
- gtk_adjustment_get_upper (hadjustment),
- gtk_adjustment_get_upper (vadjustment));
- }
-
child = gtk_bin_get_child (GTK_BIN (widget));
if (child && gtk_widget_get_visible (child))
{
GtkAllocation child_allocation;
- child_allocation.x = 0;
- child_allocation.y = 0;
+ child_allocation.x = allocation->x - gtk_adjustment_get_value (hadjustment);
+ child_allocation.y = allocation->y - gtk_adjustment_get_value (vadjustment);
child_allocation.width = gtk_adjustment_get_upper (hadjustment);
child_allocation.height = gtk_adjustment_get_upper (vadjustment);
static void
gtk_viewport_adjustment_value_changed (GtkAdjustment *adjustment,
- gpointer data)
+ gpointer data)
{
- GtkViewport *viewport = GTK_VIEWPORT (data);
- GtkViewportPrivate *priv = viewport->priv;
- GtkBin *bin = GTK_BIN (data);
- GtkWidget *child;
-
- child = gtk_bin_get_child (bin);
- if (child && gtk_widget_get_visible (child) &&
- gtk_widget_get_realized (GTK_WIDGET (viewport)))
- {
- GtkAdjustment *hadjustment = priv->hadjustment;
- GtkAdjustment *vadjustment = priv->vadjustment;
- GtkAllocation allocation;
- gint old_x, old_y;
- gint new_x, new_y;
-
- gtk_widget_get_content_allocation (GTK_WIDGET (viewport), &allocation);
- gdk_window_get_position (priv->bin_window, &old_x, &old_y);
- new_x = - gtk_adjustment_get_value (hadjustment);
- new_y = - gtk_adjustment_get_value (vadjustment);
-
- if (new_x != old_x || new_y != old_y)
- gdk_window_move (priv->bin_window, allocation.x + new_x, allocation.y + new_y);
- }
+ gtk_widget_queue_allocate (GTK_WIDGET (data));
}