263 lines
6.4 KiB
C
263 lines
6.4 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
#include "gtkbin.h"
|
|
|
|
|
|
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 void gtk_bin_draw (GtkWidget *widget,
|
|
GdkRectangle *area);
|
|
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_foreach (GtkContainer *container,
|
|
GtkCallback callback,
|
|
gpointer callback_data);
|
|
|
|
|
|
static GtkContainerClass *parent_class = NULL;
|
|
|
|
|
|
guint
|
|
gtk_bin_get_type ()
|
|
{
|
|
static guint bin_type = 0;
|
|
|
|
if (!bin_type)
|
|
{
|
|
GtkTypeInfo bin_info =
|
|
{
|
|
"GtkBin",
|
|
sizeof (GtkBin),
|
|
sizeof (GtkBinClass),
|
|
(GtkClassInitFunc) gtk_bin_class_init,
|
|
(GtkObjectInitFunc) gtk_bin_init,
|
|
(GtkArgSetFunc) NULL,
|
|
(GtkArgGetFunc) NULL,
|
|
};
|
|
|
|
bin_type = gtk_type_unique (gtk_container_get_type (), &bin_info);
|
|
}
|
|
|
|
return bin_type;
|
|
}
|
|
|
|
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_container_get_type ());
|
|
|
|
widget_class->map = gtk_bin_map;
|
|
widget_class->unmap = gtk_bin_unmap;
|
|
widget_class->draw = gtk_bin_draw;
|
|
widget_class->expose_event = gtk_bin_expose;
|
|
|
|
container_class->add = gtk_bin_add;
|
|
container_class->remove = gtk_bin_remove;
|
|
container_class->foreach = gtk_bin_foreach;
|
|
}
|
|
|
|
static void
|
|
gtk_bin_init (GtkBin *bin)
|
|
{
|
|
GTK_WIDGET_SET_FLAGS (bin, GTK_NO_WINDOW);
|
|
|
|
bin->child = NULL;
|
|
}
|
|
|
|
|
|
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 (!GTK_WIDGET_NO_WINDOW (widget))
|
|
gdk_window_show (widget->window);
|
|
else
|
|
gtk_widget_queue_draw (widget);
|
|
|
|
if (bin->child &&
|
|
GTK_WIDGET_VISIBLE (bin->child) &&
|
|
!GTK_WIDGET_MAPPED (bin->child))
|
|
gtk_widget_map (bin->child);
|
|
}
|
|
|
|
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_clear_area (widget->window,
|
|
widget->allocation.x,
|
|
widget->allocation.y,
|
|
widget->allocation.width,
|
|
widget->allocation.height);
|
|
else
|
|
gdk_window_hide (widget->window);
|
|
|
|
if (bin->child &&
|
|
GTK_WIDGET_VISIBLE (bin->child) &&
|
|
GTK_WIDGET_MAPPED (bin->child))
|
|
gtk_widget_unmap (bin->child);
|
|
}
|
|
|
|
static void
|
|
gtk_bin_draw (GtkWidget *widget,
|
|
GdkRectangle *area)
|
|
{
|
|
GtkBin *bin;
|
|
GdkRectangle child_area;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_BIN (widget));
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
|
|
{
|
|
bin = GTK_BIN (widget);
|
|
|
|
if (bin->child &&
|
|
gtk_widget_intersect (bin->child, area, &child_area))
|
|
gtk_widget_draw (bin->child, &child_area);
|
|
}
|
|
}
|
|
|
|
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_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 *widget)
|
|
{
|
|
GtkBin *bin;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_BIN (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
bin = GTK_BIN (container);
|
|
|
|
if (!bin->child)
|
|
{
|
|
gtk_widget_set_parent (widget, GTK_WIDGET (container));
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget->parent))
|
|
{
|
|
if (GTK_WIDGET_REALIZED (widget->parent) &&
|
|
!GTK_WIDGET_REALIZED (widget))
|
|
gtk_widget_realize (widget);
|
|
|
|
if (GTK_WIDGET_MAPPED (widget->parent) &&
|
|
!GTK_WIDGET_MAPPED (widget))
|
|
gtk_widget_map (widget);
|
|
}
|
|
|
|
bin->child = widget;
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
|
|
gtk_widget_queue_resize (widget);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_bin_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkBin *bin;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_BIN (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
bin = GTK_BIN (container);
|
|
|
|
if (bin->child == widget)
|
|
{
|
|
gtk_widget_unparent (widget);
|
|
bin->child = NULL;
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_bin_foreach (GtkContainer *container,
|
|
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);
|
|
|
|
if (bin->child)
|
|
(* callback) (bin->child, callback_data);
|
|
}
|