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Diffstat (limited to 'libgnomecanvas/gnome-canvas-widget.h')
| -rw-r--r-- | libgnomecanvas/gnome-canvas-widget.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/libgnomecanvas/gnome-canvas-widget.h b/libgnomecanvas/gnome-canvas-widget.h new file mode 100644 index 0000000000..f7517c3832 --- /dev/null +++ b/libgnomecanvas/gnome-canvas-widget.h @@ -0,0 +1,103 @@ +/* + * 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 double RW X coordinate of anchor point + * y double RW Y coordinate of anchor point + * width double RW Width of widget (see below) + * height double 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 */ + + double x, y; /* Position at anchor */ + double width, height; /* Dimensions of widget */ + GtkAnchorType anchor; /* Anchor side for widget */ + + int cx, cy; /* Top-left canvas coordinates for widget */ + int cwidth, cheight; /* Size of widget in pixels */ + + guint destroy_id; /* Signal connection id for destruction of child widget */ + + 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 |