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/*
* This file is part of the XForms library package.
*
* XForms 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 2.1, or
* (at your option) any later version.
*
* XForms 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 XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/********************** crop here for forms.h **********************/
/**
* \file canvas.h
*
* Header for FL_CANVAS
*
*/
#ifndef FL_CANVAS_H_
#define FL_CANVAS_H_
typedef enum {
FL_NORMAL_CANVAS,
FL_SCROLLED_CANVAS
} FL_CANVAS_TYPE;
typedef int ( * FL_HANDLE_CANVAS )( FL_OBJECT *,
Window,
int,
int,
XEvent *,
void * );
typedef int ( * FL_MODIFY_CANVAS_PROP )( FL_OBJECT * );
/******************** Default *********************/
#define FL_CANVAS_BOXTYPE FL_DOWN_BOX /* really the decoration frame */
#define FL_CANVAS_ALIGN FL_ALIGN_TOP
/************ Interfaces ************************/
FL_EXPORT FL_OBJECT * fl_create_generic_canvas( int canvas_class,
int type,
FL_Coord x,
FL_Coord y,
FL_Coord w,
FL_Coord h,
const char * label );
FL_EXPORT FL_OBJECT * fl_add_canvas( int type,
FL_Coord x,
FL_Coord y,
FL_Coord w,
FL_Coord h,
const char * label );
FL_EXPORT FL_OBJECT * fl_create_canvas( int type,
FL_Coord x,
FL_Coord y,
FL_Coord w,
FL_Coord h,
const char * label );
/* backward compatibility */
#define fl_set_canvas_decoration fl_set_object_boxtype
FL_EXPORT void fl_set_canvas_colormap( FL_OBJECT * ob,
Colormap colormap );
FL_EXPORT void fl_set_canvas_visual( FL_OBJECT * obj,
Visual * vi );
FL_EXPORT void fl_set_canvas_depth( FL_OBJECT * obj,
int depth );
FL_EXPORT void fl_set_canvas_attributes( FL_OBJECT * ob,
unsigned int mask,
XSetWindowAttributes * xswa );
FL_EXPORT FL_HANDLE_CANVAS fl_add_canvas_handler( FL_OBJECT * ob,
int ev,
FL_HANDLE_CANVAS h,
void * udata );
FL_EXPORT Window fl_get_canvas_id( FL_OBJECT * ob );
FL_EXPORT Colormap fl_get_canvas_colormap( FL_OBJECT * ob );
FL_EXPORT int fl_get_canvas_depth( FL_OBJECT * obj );
FL_EXPORT void fl_remove_canvas_handler( FL_OBJECT * ob,
int ev,
FL_HANDLE_CANVAS h );
FL_EXPORT void fl_hide_canvas( FL_OBJECT * ob );
FL_EXPORT void fl_share_canvas_colormap( FL_OBJECT * ob,
Colormap colormap );
FL_EXPORT void fl_clear_canvas( FL_OBJECT * ob );
FL_EXPORT void fl_modify_canvas_prop( FL_OBJECT * obj,
FL_MODIFY_CANVAS_PROP init,
FL_MODIFY_CANVAS_PROP activate,
FL_MODIFY_CANVAS_PROP cleanup );
FL_EXPORT void fl_canvas_yield_to_shortcut( FL_OBJECT * ob,
int yes );
/* This is an attempt to maintain some sort of backwards compatibility
* with old code whilst also getting rid of the old, system-specific
* hack. */
#ifdef AUTOINCLUDE_GLCANVAS_H
#include <glcanvas.h>
#endif
#endif /* ! defined FL_CANVAS_H */
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