1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation
* All rights reserved.
*
* This file is part of the Gnome Library.
*
* The Gnome 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.
*
* The Gnome 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 the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
@NOTATION@
*/
/* Widget item type for GnomeCanvas widget
*
* GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
* copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
*
*
* Author: Federico Mena <federico@nuclecu.unam.mx>
*/
#ifndef GNOME_CANVAS_WIDGET_H
#define GNOME_CANVAS_WIDGET_H
#include <libgnomecanvas/gnome-canvas.h>
G_BEGIN_DECLS
/* Widget item for canvas. The widget is positioned with respect to an anchor point.
* The following object arguments are available:
*
* name type read/write description
* ------------------------------------------------------------------------------------------
* widget GtkWidget* RW Pointer to the widget
* x gdouble RW X coordinate of anchor point
* y gdouble RW Y coordinate of anchor point
* width gdouble RW Width of widget (see below)
* height gdouble RW Height of widget (see below)
* anchor GtkAnchorType RW Anchor side for widget
* size_pixels boolean RW Specifies whether the widget size
* is specified in pixels or canvas units.
* If it is in pixels, then the widget will not
* be scaled when the canvas zoom factor changes.
* Otherwise, it will be scaled.
*/
#define GNOME_TYPE_CANVAS_WIDGET (gnome_canvas_widget_get_type ())
#define GNOME_CANVAS_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GNOME_TYPE_CANVAS_WIDGET, GnomeCanvasWidget))
#define GNOME_CANVAS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_WIDGET, GnomeCanvasWidgetClass))
#define GNOME_IS_CANVAS_WIDGET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GNOME_TYPE_CANVAS_WIDGET))
#define GNOME_IS_CANVAS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_WIDGET))
#define GNOME_CANVAS_WIDGET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GNOME_TYPE_CANVAS_WIDGET, GnomeCanvasWidgetClass))
typedef struct _GnomeCanvasWidget GnomeCanvasWidget;
typedef struct _GnomeCanvasWidgetClass GnomeCanvasWidgetClass;
struct _GnomeCanvasWidget {
GnomeCanvasItem item;
GtkWidget *widget; /* The child widget */
gdouble x, y; /* Position at anchor */
gdouble width, height; /* Dimensions of widget */
GtkAnchorType anchor; /* Anchor side for widget */
gint cx, cy; /* Top-left canvas coordinates for widget */
gint cwidth, cheight; /* Size of widget in pixels */
guint size_pixels : 1; /* Is size specified in (unchanging) pixels or units (get scaled)? */
guint in_destroy : 1; /* Is child widget being destroyed? */
};
struct _GnomeCanvasWidgetClass {
GnomeCanvasItemClass parent_class;
};
/* Standard Gtk function */
GType gnome_canvas_widget_get_type (void) G_GNUC_CONST;
G_END_DECLS
#endif
|
