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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
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, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef __UNIQUE__STRET_H__
#define __UNIQUE__STRET_H__
#include <directfb.h>
#include <unique/types.h>
/*
* A 'StReT' is a Stack Region Tree.
*/
typedef enum {
SRF_NONE = 0x00000000,
SRF_INPUT = 0x00000001,
SRF_OUTPUT = 0x00000002,
SRF_ACTIVE = 0x00000004,
SRF_OPAQUE = 0x00000010,
SRF_SHAPED = 0x00000020,
SRF_ALL = 0x00000037
} StretRegionFlags;
typedef struct {
DFBResult (*GetInput)( StretRegion *region,
void *region_data,
unsigned long arg,
int index,
int x,
int y,
UniqueInputChannel **ret_channel );
void (*Update) ( StretRegion *region,
void *region_data,
void *update_data,
unsigned long arg,
int x,
int y,
const DFBRegion *updates,
int num );
} StretRegionClass;
typedef int StretRegionClassID;
#define SRCID_UNKNOWN -1
#define SRCID_DEFAULT 0
DFBResult stret_class_register ( const StretRegionClass *clazz,
StretRegionClassID *ret_id );
DFBResult stret_class_unregister( StretRegionClassID id );
DFBResult stret_region_create ( StretRegionClassID class_id,
void *data,
unsigned long arg,
StretRegionFlags flags,
int levels,
int x,
int y,
int width,
int height,
StretRegion *parent,
int level,
FusionSHMPoolShared *pool,
StretRegion **ret_region );
DFBResult stret_region_destroy ( StretRegion *region );
DFBResult stret_region_enable ( StretRegion *region,
StretRegionFlags flags );
DFBResult stret_region_disable ( StretRegion *region,
StretRegionFlags flags );
DFBResult stret_region_move ( StretRegion *region,
int dx,
int dy );
DFBResult stret_region_resize ( StretRegion *region,
int width,
int height );
DFBResult stret_region_restack ( StretRegion *region,
int index );
void stret_region_get_abs ( StretRegion *region,
DFBRegion *ret_bounds );
void stret_region_get_size ( StretRegion *region,
DFBDimension *ret_size );
DFBResult stret_region_get_input( StretRegion *region,
int index,
int x,
int y,
UniqueInputChannel **ret_channel );
DFBResult stret_region_visible ( StretRegion *region,
const DFBRegion *base,
bool children,
DFBRegion *ret_regions,
int max_num,
int *ret_num );
DFBResult stret_region_update ( StretRegion *region,
const DFBRegion *update,
void *update_data );
StretRegion *stret_region_at ( StretRegion *region,
int x,
int y,
StretRegionFlags flags,
StretRegionClassID class_id );
void *stret_region_data ( const StretRegion *region );
#endif
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