[AdgLDim] Avoid arrange() on the same data
[adg.git] / adg / adg-widget.h
blob3bcc7f104938003b9b63961b5daac40027be3974
1 /* ADG - Automatic Drawing Generation
2 * Copyright (C) 2007,2008,2009 Nicola Fontana <ntd at entidi.it>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
21 #ifndef __ADG_WIDGET_H__
22 #define __ADG_WIDGET_H__
24 #include <gtk/gtk.h>
25 #include <adg/adg-canvas.h>
28 G_BEGIN_DECLS
30 #define ADG_TYPE_WIDGET (adg_widget_get_type())
31 #define ADG_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_WIDGET, AdgWidget))
32 #define ADG_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), ADG_TYPE_WIDGET, AdgWidgetClass))
33 #define ADG_IS_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_WIDGET))
34 #define ADG_IS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), ADG_TYPE_WIDGET))
35 #define ADG_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), ADG_TYPE_WIDGET, AdgWidgetClass))
37 typedef struct _AdgWidget AdgWidget;
38 typedef struct _AdgWidgetClass AdgWidgetClass;
40 struct _AdgWidget {
41 /*< private >*/
42 GtkDrawingArea parent;
43 gpointer data;
46 struct _AdgWidgetClass {
47 /*< private >*/
48 GtkDrawingAreaClass parent_class;
49 /*< public >*/
50 /* Virtual Table */
51 void (*canvas_changed) (AdgWidget *widget);
55 GType adg_widget_get_type (void) G_GNUC_CONST;
57 GtkWidget * adg_widget_new (AdgCanvas *canvas);
59 AdgCanvas * adg_widget_get_canvas (AdgWidget *widget);
60 void adg_widget_set_canvas (AdgWidget *widget,
61 AdgCanvas *canvas);
62 gdouble adg_widget_get_factor (AdgWidget *widget);
63 void adg_widget_set_factor (AdgWidget *widget,
64 gdouble factor);
66 G_END_DECLS
69 #endif /* __ADG_WIDGET_H__ */