rockbox/apps/plugins/lib/pluginlib_touchscreen.h
2009-08-02 07:05:30 +00:00

117 lines
3.7 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
* Copyright (C) 2009 by Karl Kurbjun
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef _PLUGIN_LIB_TOUCHSCREEN_H_
#define _PLUGIN_LIB_TOUCHSCREEN_H_
#include "plugin.h"
#ifdef HAVE_TOUCHSCREEN
/*******************************************************************************
* Touchbutton
******************************************************************************/
struct touchbutton {
/* Each button has it's own viewport to define colors, drawstyle, location*/
struct viewport vp;
bool repeat; /* requires the area be held for the action */
int action; /* action this button will return */
bool invisible; /* Is this an invisible button? */
char *title; /* Specify a title */
fb_data *pixmap; /* Currently unused, but will allow for a graphic */
};
/* Get: tests for a button press and returns action. */
int touchbutton_get(struct touchbutton *data, int button, int num_buttons);
/* Draw: Draws all visible buttons */
void touchbutton_draw(struct touchbutton *data, int num_buttons);
/*******************************************************************************
* Touch mapping
******************************************************************************/
struct ts_mapping
{
int tl_x; /* top left */
int tl_y;
int width;
int height;
};
struct ts_mappings
{
struct ts_mapping *mappings;
int amount;
};
unsigned int touchscreen_map(struct ts_mappings *map, int x, int y);
struct ts_raster
{
int tl_x; /* top left */
int tl_y;
int width;
int height;
int raster_width;
int raster_height;
};
struct ts_raster_result
{
int x;
int y;
};
unsigned int touchscreen_map_raster(struct ts_raster *map, int x, int y, struct ts_raster_result *result);
struct ts_raster_button_mapping
{
struct ts_raster *raster;
bool drag_drop_enable; /* ... */
bool double_click_enable; /* ... */
bool click_enable; /* ... */
bool move_progress_enable; /* ... */
bool two_d_movement_enable; /* ... */
struct ts_raster_result two_d_from; /* ... */
int _prev_x; /* Internal: DO NOT MODIFY! */
int _prev_y; /* Internal: DO NOT MODIFY! */
int _prev_btn_state; /* Internal: DO NOT MODIFY! */
};
struct ts_raster_button_result
{
enum{
TS_ACTION_NONE,
TS_ACTION_MOVE,
TS_ACTION_CLICK,
TS_ACTION_DOUBLE_CLICK,
TS_ACTION_DRAG_DROP,
TS_ACTION_TWO_D_MOVEMENT
} action;
struct ts_raster_result from;
struct ts_raster_result to;
};
struct ts_raster_button_result touchscreen_raster_map_button(struct ts_raster_button_mapping *map, int x, int y, int button);
#endif /* HAVE_TOUCHSCREEN */
#endif /* _PLUGIN_LIB_TOUCHSCREEN_H_ */