forked from AuroraMiddleware/gtk
112 lines
4.3 KiB
C
112 lines
4.3 KiB
C
/* 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/*
|
|
* 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/.
|
|
*/
|
|
|
|
#ifndef __GTK_DRAWING_AREA_H__
|
|
#define __GTK_DRAWING_AREA_H__
|
|
|
|
|
|
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
|
|
#error "Only <gtk/gtk.h> can be included directly."
|
|
#endif
|
|
|
|
#include <gtk/gtkwidget.h>
|
|
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GTK_TYPE_DRAWING_AREA (gtk_drawing_area_get_type ())
|
|
#define GTK_DRAWING_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_DRAWING_AREA, GtkDrawingArea))
|
|
#define GTK_DRAWING_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_DRAWING_AREA, GtkDrawingAreaClass))
|
|
#define GTK_IS_DRAWING_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_DRAWING_AREA))
|
|
#define GTK_IS_DRAWING_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_DRAWING_AREA))
|
|
#define GTK_DRAWING_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_DRAWING_AREA, GtkDrawingAreaClass))
|
|
|
|
typedef struct _GtkDrawingArea GtkDrawingArea;
|
|
typedef struct _GtkDrawingAreaClass GtkDrawingAreaClass;
|
|
|
|
/**
|
|
* GtkDrawingAreaDrawFunc:
|
|
* @drawing_area: the #GtkDrawingArea to redraw
|
|
* @cr: the context to draw to
|
|
* @width: the actual width of the contents. This value will be at least
|
|
* as wide as GtkDrawingArea:width.
|
|
* @height: the actual height of the contents. This value will be at least
|
|
* as wide as GtkDrawingArea:height.
|
|
* @user_data: (closure): user data
|
|
*
|
|
* Whenever @drawing_area needs to redraw, this function will be called.
|
|
*
|
|
* This function should exclusively redraw the contents of the drawing area
|
|
* and must not call any widget functions that cause changes.
|
|
*
|
|
* Since: 3.90
|
|
*/
|
|
typedef void (* GtkDrawingAreaDrawFunc) (GtkDrawingArea *drawing_area,
|
|
cairo_t *cr,
|
|
int width,
|
|
int height,
|
|
gpointer user_data);
|
|
|
|
struct _GtkDrawingArea
|
|
{
|
|
GtkWidget widget;
|
|
};
|
|
|
|
struct _GtkDrawingAreaClass
|
|
{
|
|
GtkWidgetClass parent_class;
|
|
|
|
/* Padding for future expansion */
|
|
void (*_gtk_reserved1) (void);
|
|
void (*_gtk_reserved2) (void);
|
|
void (*_gtk_reserved3) (void);
|
|
void (*_gtk_reserved4) (void);
|
|
};
|
|
|
|
|
|
GDK_AVAILABLE_IN_ALL
|
|
GType gtk_drawing_area_get_type (void) G_GNUC_CONST;
|
|
GDK_AVAILABLE_IN_ALL
|
|
GtkWidget* gtk_drawing_area_new (void);
|
|
|
|
GDK_AVAILABLE_IN_3_90
|
|
void gtk_drawing_area_set_content_width (GtkDrawingArea *self,
|
|
int width);
|
|
GDK_AVAILABLE_IN_3_90
|
|
int gtk_drawing_area_get_content_width (GtkDrawingArea *self);
|
|
GDK_AVAILABLE_IN_3_90
|
|
void gtk_drawing_area_set_content_height (GtkDrawingArea *self,
|
|
int height);
|
|
GDK_AVAILABLE_IN_3_90
|
|
int gtk_drawing_area_get_content_height (GtkDrawingArea *self);
|
|
GDK_AVAILABLE_IN_3_90
|
|
void gtk_drawing_area_set_draw_func (GtkDrawingArea *self,
|
|
GtkDrawingAreaDrawFunc draw_func,
|
|
gpointer user_data,
|
|
GDestroyNotify destroy);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GTK_DRAWING_AREA_H__ */
|