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/* 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 Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "ephy-event-box.h"
static void ephy_event_box_class_init (EphyEventBoxClass *klass);
static void ephy_event_box_init (EphyEventBox *event_box);
static void ephy_event_box_realize (GtkWidget *widget);
static void ephy_event_box_unrealize (GtkWidget *widget);
static void ephy_event_box_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void ephy_event_box_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void ephy_event_box_map (GtkWidget *widget);
static void ephy_event_box_unmap (GtkWidget *widget);
static GtkBinClass *parent_class = NULL;
GType
ephy_event_box_get_type (void)
{
static GType event_box_type = 0;
if (!event_box_type)
{
static const GTypeInfo event_box_info =
{
sizeof (EphyEventBoxClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) ephy_event_box_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (EphyEventBox),
0, /* n_preallocs */
(GInstanceInitFunc) ephy_event_box_init,
};
event_box_type = g_type_register_static (GTK_TYPE_BIN, "EphyEventBox",
&event_box_info, 0);
}
return event_box_type;
}
static void
ephy_event_box_class_init (EphyEventBoxClass *class)
{
GtkWidgetClass *widget_class;
parent_class = g_type_class_peek_parent (class);
widget_class = (GtkWidgetClass*) class;
widget_class->realize = ephy_event_box_realize;
widget_class->unrealize = ephy_event_box_unrealize;
widget_class->map = ephy_event_box_map;
widget_class->unmap = ephy_event_box_unmap;
widget_class->size_request = ephy_event_box_size_request;
widget_class->size_allocate = ephy_event_box_size_allocate;
}
static void
ephy_event_box_init (EphyEventBox *event_box)
{
GTK_WIDGET_SET_FLAGS (event_box, GTK_NO_WINDOW);
}
GtkWidget*
ephy_event_box_new (void)
{
return g_object_new (EPHY_TYPE_EVENT_BOX, NULL);
}
static void
ephy_event_box_map (GtkWidget *widget)
{
EphyEventBox *event_box;
event_box = EPHY_EVENT_BOX (widget);
(* GTK_WIDGET_CLASS (parent_class)->map) (widget);
gdk_window_show (event_box->input_window);
}
static void
ephy_event_box_unmap (GtkWidget *widget)
{
EphyEventBox *event_box;
event_box = EPHY_EVENT_BOX (widget);
gdk_window_hide (event_box->input_window);
(* GTK_WIDGET_CLASS (parent_class)->unmap) (widget);
}
static void
ephy_event_box_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
EphyEventBox *event_box;
gint attributes_mask;
gint border_width;
(* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
event_box = EPHY_EVENT_BOX (widget);
border_width = GTK_CONTAINER (widget)->border_width;
attributes.x = widget->allocation.x + border_width;
attributes.y = widget->allocation.y + border_width;
attributes.width = widget->allocation.width - 2*border_width;
attributes.height = widget->allocation.height - 2*border_width;
attributes.window_type = GDK_WINDOW_CHILD;
/*attributes.override_redirect = TRUE;*/
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget)
| GDK_BUTTON_MOTION_MASK
| GDK_BUTTON_PRESS_MASK
| GDK_BUTTON_RELEASE_MASK
| GDK_ENTER_NOTIFY_MASK
| GDK_LEAVE_NOTIFY_MASK;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
event_box->input_window = gdk_window_new (widget->window,
&attributes, attributes_mask);
gdk_window_set_user_data (event_box->input_window, widget);
}
static void
ephy_event_box_unrealize (GtkWidget *widget)
{
EphyEventBox *event_box;
(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
event_box = EPHY_EVENT_BOX (widget);
gdk_window_set_user_data (event_box->input_window, NULL);
gdk_window_destroy (event_box->input_window);
event_box->input_window = NULL;
}
static void
ephy_event_box_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkBin *bin = GTK_BIN (widget);
requisition->width = GTK_CONTAINER (widget)->border_width * 2;
requisition->height = GTK_CONTAINER (widget)->border_width * 2;
if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
{
GtkRequisition child_requisition;
gtk_widget_size_request (bin->child, &child_requisition);
requisition->width += child_requisition.width;
requisition->height += child_requisition.height;
}
}
static void
ephy_event_box_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkBin *bin;
GtkAllocation child_allocation;
EphyEventBox *event_box;
widget->allocation = *allocation;
bin = GTK_BIN (widget);
child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
if (GTK_WIDGET_REALIZED (widget))
{
event_box = EPHY_EVENT_BOX (widget);
gdk_window_move_resize (event_box->input_window,
child_allocation.x,
child_allocation.y,
child_allocation.width,
child_allocation.height);
}
if (bin->child)
gtk_widget_size_allocate (bin->child, &child_allocation);
}
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