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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 "gtkitem.h"
#include "gtkmarshalers.h"
#include "gtksignal.h"
enum {
SELECT,
DESELECT,
TOGGLE,
LAST_SIGNAL
};
static void gtk_item_class_init (GtkItemClass *klass);
static void gtk_item_init (GtkItem *item);
static void gtk_item_realize (GtkWidget *widget);
static gint gtk_item_enter (GtkWidget *widget,
GdkEventCrossing *event);
static gint gtk_item_leave (GtkWidget *widget,
GdkEventCrossing *event);
static guint item_signals[LAST_SIGNAL] = { 0 };
GtkType
gtk_item_get_type (void)
{
static GtkType item_type = 0;
if (!item_type)
{
static const GtkTypeInfo item_info =
{
"GtkItem",
sizeof (GtkItem),
sizeof (GtkItemClass),
(GtkClassInitFunc) gtk_item_class_init,
(GtkObjectInitFunc) gtk_item_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
item_type = gtk_type_unique (GTK_TYPE_BIN, &item_info);
}
return item_type;
}
static void
gtk_item_class_init (GtkItemClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass*) class;
widget_class = (GtkWidgetClass*) class;
widget_class->realize = gtk_item_realize;
widget_class->enter_notify_event = gtk_item_enter;
widget_class->leave_notify_event = gtk_item_leave;
class->select = NULL;
class->deselect = NULL;
class->toggle = NULL;
item_signals[SELECT] =
gtk_signal_new ("select",
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkItemClass, select),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
item_signals[DESELECT] =
gtk_signal_new ("deselect",
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkItemClass, deselect),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
item_signals[TOGGLE] =
gtk_signal_new ("toggle",
GTK_RUN_FIRST,
GTK_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (GtkItemClass, toggle),
_gtk_marshal_VOID__VOID,
GTK_TYPE_NONE, 0);
widget_class->activate_signal = item_signals[TOGGLE];
}
static void
gtk_item_init (GtkItem *item)
{
GTK_WIDGET_UNSET_FLAGS (item, GTK_NO_WINDOW);
}
void
gtk_item_select (GtkItem *item)
{
gtk_signal_emit (GTK_OBJECT (item), item_signals[SELECT]);
}
void
gtk_item_deselect (GtkItem *item)
{
gtk_signal_emit (GTK_OBJECT (item), item_signals[DESELECT]);
}
void
gtk_item_toggle (GtkItem *item)
{
gtk_signal_emit (GTK_OBJECT (item), item_signals[TOGGLE]);
}
static void
gtk_item_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (GTK_IS_ITEM (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.window_type = GDK_WINDOW_CHILD;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = (gtk_widget_get_events (widget) |
GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_POINTER_MOTION_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, widget);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
gdk_window_set_back_pixmap (widget->window, NULL, TRUE);
}
static gint
gtk_item_enter (GtkWidget *widget,
GdkEventCrossing *event)
{
g_return_val_if_fail (GTK_IS_ITEM (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
return gtk_widget_event (widget->parent, (GdkEvent*) event);
}
static gint
gtk_item_leave (GtkWidget *widget,
GdkEventCrossing *event)
{
g_return_val_if_fail (GTK_IS_ITEM (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
return gtk_widget_event (widget->parent, (GdkEvent*) event);
}
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