* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#include "config.h"
#include "gtkbin.h"
+#include "gtkintl.h"
+#include "gtkalias.h"
+static void gtk_bin_add (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_bin_remove (GtkContainer *container,
+ GtkWidget *widget);
+static void gtk_bin_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static GType gtk_bin_child_type (GtkContainer *container);
-static void gtk_bin_class_init (GtkBinClass *klass);
-static void gtk_bin_init (GtkBin *bin);
-static void gtk_bin_map (GtkWidget *widget);
-static void gtk_bin_unmap (GtkWidget *widget);
-static gint gtk_bin_expose (GtkWidget *widget,
- GdkEventExpose *event);
-static void gtk_bin_add (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_bin_remove (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_bin_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data);
-static GtkType gtk_bin_child_type (GtkContainer*container);
-
-static GtkContainerClass *parent_class = NULL;
-
-
-GtkType
-gtk_bin_get_type (void)
-{
- static guint bin_type = 0;
-
- if (!bin_type)
- {
- static const GtkTypeInfo bin_info =
- {
- "GtkBin",
- sizeof (GtkBin),
- sizeof (GtkBinClass),
- (GtkClassInitFunc) gtk_bin_class_init,
- (GtkObjectInitFunc) gtk_bin_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- bin_type = gtk_type_unique (GTK_TYPE_CONTAINER, &bin_info);
- }
-
- return bin_type;
-}
+G_DEFINE_ABSTRACT_TYPE (GtkBin, gtk_bin, GTK_TYPE_CONTAINER)
static void
gtk_bin_class_init (GtkBinClass *class)
{
- GtkObjectClass *object_class;
- GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
- object_class = (GtkObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
container_class = (GtkContainerClass*) class;
- parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
-
- widget_class->map = gtk_bin_map;
- widget_class->unmap = gtk_bin_unmap;
- widget_class->expose_event = gtk_bin_expose;
-
container_class->add = gtk_bin_add;
container_class->remove = gtk_bin_remove;
container_class->forall = gtk_bin_forall;
}
-static GtkType
+static GType
gtk_bin_child_type (GtkContainer *container)
{
if (!GTK_BIN (container)->child)
return GTK_TYPE_WIDGET;
else
- return GTK_TYPE_NONE;
+ return G_TYPE_NONE;
}
-static void
-gtk_bin_map (GtkWidget *widget)
-{
- GtkBin *bin;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_BIN (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
- bin = GTK_BIN (widget);
-
- if (bin->child &&
- GTK_WIDGET_VISIBLE (bin->child) &&
- !GTK_WIDGET_MAPPED (bin->child))
- gtk_widget_map (bin->child);
-
- if (!GTK_WIDGET_NO_WINDOW (widget))
- gdk_window_show (widget->window);
-}
-
-static void
-gtk_bin_unmap (GtkWidget *widget)
-{
- GtkBin *bin;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_BIN (widget));
-
- GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
- bin = GTK_BIN (widget);
-
- if (!GTK_WIDGET_NO_WINDOW (widget))
- gdk_window_hide (widget->window);
-
- if (bin->child && GTK_WIDGET_MAPPED (bin->child))
- gtk_widget_unmap (bin->child);
-}
-
-static gint
-gtk_bin_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- GtkBin *bin;
- GdkEventExpose child_event;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_BIN (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
-
- if (GTK_WIDGET_DRAWABLE (widget))
- {
- bin = GTK_BIN (widget);
-
- child_event = *event;
- if (bin->child && GTK_WIDGET_DRAWABLE (bin->child) &&
- GTK_WIDGET_NO_WINDOW (bin->child) &&
- gtk_widget_intersect (bin->child, &event->area, &child_event.area))
- gtk_widget_event (bin->child, (GdkEvent*) &child_event);
- }
-
- return FALSE;
-}
-
-
static void
gtk_bin_add (GtkContainer *container,
GtkWidget *child)
{
- GtkBin *bin;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_BIN (container));
- g_return_if_fail (child != NULL);
- g_return_if_fail (GTK_IS_WIDGET (child));
-
- bin = GTK_BIN (container);
+ GtkBin *bin = GTK_BIN (container);
if (bin->child != NULL)
{
g_warning ("Attempting to add a widget with type %s to a %s, "
"but as a GtkBin subclass a %s can only contain one widget at a time; "
"it already contains a widget of type %s",
- g_type_name (G_TYPE_FROM_INSTANCE (child)),
- g_type_name (G_TYPE_FROM_INSTANCE (bin)),
- g_type_name (G_TYPE_FROM_INSTANCE (bin)),
- g_type_name (G_TYPE_FROM_INSTANCE (bin->child)));
+ g_type_name (G_OBJECT_TYPE (child)),
+ g_type_name (G_OBJECT_TYPE (bin)),
+ g_type_name (G_OBJECT_TYPE (bin)),
+ g_type_name (G_OBJECT_TYPE (bin->child)));
return;
}
gtk_widget_set_parent (child, GTK_WIDGET (bin));
bin->child = child;
-
- if (GTK_WIDGET_REALIZED (child->parent))
- gtk_widget_realize (child);
-
- if (GTK_WIDGET_VISIBLE (child->parent) && GTK_WIDGET_VISIBLE (child))
- {
- if (GTK_WIDGET_MAPPED (child->parent))
- gtk_widget_map (child);
-
- gtk_widget_queue_resize (child);
- }
}
static void
gtk_bin_remove (GtkContainer *container,
GtkWidget *child)
{
- GtkBin *bin;
+ GtkBin *bin = GTK_BIN (container);
gboolean widget_was_visible;
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_BIN (container));
- g_return_if_fail (child != NULL);
- g_return_if_fail (GTK_IS_WIDGET (child));
-
- bin = GTK_BIN (container);
g_return_if_fail (bin->child == child);
widget_was_visible = GTK_WIDGET_VISIBLE (child);
GtkCallback callback,
gpointer callback_data)
{
- GtkBin *bin;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_BIN (container));
- g_return_if_fail (callback != NULL);
-
- bin = GTK_BIN (container);
+ GtkBin *bin = GTK_BIN (container);
if (bin->child)
(* callback) (bin->child, callback_data);
}
+
+/**
+ * gtk_bin_get_child:
+ * @bin: a #GtkBin
+ *
+ * Gets the child of the #GtkBin, or %NULL if the bin contains
+ * no child widget. The returned widget does not have a reference
+ * added, so you do not need to unref it.
+ *
+ * Return value: pointer to child of the #GtkBin
+ **/
+GtkWidget*
+gtk_bin_get_child (GtkBin *bin)
+{
+ g_return_val_if_fail (GTK_IS_BIN (bin), NULL);
+
+ return bin->child;
+}
+
+#define __GTK_BIN_C__
+#include "gtkaliasdef.c"
projects / ~andy / gtk / blobdiff