rockbox/firmware/export/button.h

/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 by Daniel Stenberg
 *
 * 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 _BUTTON_H_
#define _BUTTON_H_

#include <stdbool.h>
#include <inttypes.h>
#include "config.h"
#ifndef __PCTOOL__
#include "button-target.h"
#endif

#ifndef BUTTON_REMOTE
# define BUTTON_REMOTE 0
#endif

extern struct event_queue button_queue;

void button_init_device(void);
#ifdef HAVE_BUTTON_DATA
int button_read_device(int *);
#else
int button_read_device(void);
#endif

#ifdef HAS_BUTTON_HOLD
bool button_hold(void);
#endif
#ifdef HAS_REMOTE_BUTTON_HOLD 
bool remote_button_hold(void);
#endif

void button_init (void) INIT_ATTR;
void button_close(void);
int button_queue_count(void);
long button_get (bool block);
long button_get_w_tmo(int ticks);
intptr_t button_get_data(void);
int button_status(void);
#ifdef HAVE_BUTTON_DATA
int button_status_wdata(int *pdata);
#endif
void button_clear_queue(void);
#ifdef HAVE_LCD_BITMAP
void button_set_flip(bool flip); /* turn 180 degrees */
#endif
#ifdef HAVE_BACKLIGHT
void set_backlight_filter_keypress(bool value);
#ifdef HAVE_REMOTE_LCD
void set_remote_backlight_filter_keypress(bool value);
#endif
#endif

#ifdef HAVE_HEADPHONE_DETECTION
bool headphones_inserted(void);
#endif
#ifdef HAVE_WHEEL_POSITION
int wheel_status(void);
void wheel_send_events(bool send);
#endif

#ifdef HAVE_WHEEL_ACCELERATION
int button_apply_acceleration(const unsigned int data);
#endif

#define BUTTON_NONE         0x00000000

/* Button modifiers */
#define BUTTON_REL          0x02000000
#define BUTTON_REPEAT       0x04000000
/* Special buttons */
#define BUTTON_TOUCHSCREEN  0x08000000
#define BUTTON_MULTIMEDIA   0x10000000
#define BUTTON_REDRAW       0x20000000

#define BUTTON_MULTIMEDIA_PLAYPAUSE (BUTTON_MULTIMEDIA|0x01)
#define BUTTON_MULTIMEDIA_STOP      (BUTTON_MULTIMEDIA|0x02)
#define BUTTON_MULTIMEDIA_PREV      (BUTTON_MULTIMEDIA|0x04)
#define BUTTON_MULTIMEDIA_NEXT      (BUTTON_MULTIMEDIA|0x08)
#define BUTTON_MULTIMEDIA_REW       (BUTTON_MULTIMEDIA|0x10)
#define BUTTON_MULTIMEDIA_FFWD      (BUTTON_MULTIMEDIA|0x20)

#define BUTTON_MULTIMEDIA_ALL       (BUTTON_MULTIMEDIA_PLAYPAUSE| \
                                     BUTTON_MULTIMEDIA_STOP| \
                                     BUTTON_MULTIMEDIA_PREV| \
                                     BUTTON_MULTIMEDIA_NEXT| \
                                     BUTTON_MULTIMEDIA_REW | \
                                     BUTTON_MULTIMEDIA_FFWD)

#ifdef HAVE_TOUCHSCREEN
int touchscreen_last_touch(void);

#if (!defined(BUTTON_TOPLEFT) || !defined(BUTTON_TOPMIDDLE) \
 || !defined(BUTTON_TOPRIGHT) || !defined(BUTTON_MIDLEFT) \
 || !defined(BUTTON_CENTER) || !defined(BUTTON_MIDRIGHT) \
 || !defined(BUTTON_BOTTOMLEFT) || !defined(BUTTON_BOTTOMMIDDLE) \
 || !defined(BUTTON_BOTTOMRIGHT)) && !defined(__PCTOOL__)
#error Touchscreen button mode BUTTON_* defines not set up correctly
#endif

#include "touchscreen.h"
#endif

#ifdef HAVE_TOUCHPAD
#include "touchpad.h"
#endif

#if (defined(HAVE_TOUCHPAD) || defined(HAVE_TOUCHSCREEN)) && !defined(HAS_BUTTON_HOLD)
void button_enable_touch(bool en);
#endif

#endif /* _BUTTON_H_ */