firmware/export/button.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Daniel Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef _BUTTON_H_
  22 #define _BUTTON_H_
  23
  24 #include <stdbool.h>
  25 #include <inttypes.h>
  26 #include "config.h"
  27 #ifndef __PCTOOL__
  28 #include "button-target.h"
  29 #endif
  30
  31 extern struct event_queue button_queue;
  32
  33 void button_init (void);
  34 void button_close(void);
  35 int button_queue_count(void);
  36 long button_get (bool block);
  37 long button_get_w_tmo(int ticks);
  38 intptr_t button_get_data(void);
  39 int button_status(void);
  40 void button_clear_queue(void);
  41 #ifdef HAVE_LCD_BITMAP
  42 void button_set_flip(bool flip); /* turn 180 degrees */
  43 #endif
  44 #ifdef HAVE_BACKLIGHT
  45 void set_backlight_filter_keypress(bool value);
  46 #ifdef HAVE_REMOTE_LCD
  47 void set_remote_backlight_filter_keypress(bool value);
  48 #endif
  49 #endif
  50
  51 #ifdef HAVE_HEADPHONE_DETECTION
  52 bool headphones_inserted(void);
  53 #endif
  54 #ifdef HAVE_WHEEL_POSITION
  55 int wheel_status(void);
  56 void wheel_send_events(bool send);
  57 #endif
  58
  59 #ifdef HAVE_SCROLLWHEEL
  60 int button_apply_acceleration(const unsigned int data);
  61 #endif
  62
  63 #define BUTTON_NONE    0x00000000
  64
  65 /* Button modifiers */
  66 #define BUTTON_REL      0x02000000
  67 #define BUTTON_REPEAT   0x04000000
  68 #define BUTTON_TOUCHPAD 0x08000000
  69
  70 #ifdef HAVE_TOUCHPAD
  71 #if !defined(BUTTON_TOPLEFT) || !defined(BUTTON_TOPMIDDLE) \
  72  || !defined(BUTTON_TOPRIGHT) || !defined(BUTTON_MIDLEFT) \
  73  || !defined(BUTTON_CENTER) || !defined(BUTTON_MIDRIGHT) \
  74  || !defined(BUTTON_BOTTOMLEFT) || !defined(BUTTON_BOTTOMMIDDLE) \
  75  || !defined(BUTTON_BOTTOMRIGHT)
  76 #error Touchpad button mode BUTTON_* defines not set up correctly
  77 #endif
  78 enum touchpad_mode {
  79     TOUCHPAD_POINT = 0, /* touchpad returns pixel co-ords */
  80     TOUCHPAD_BUTTON,    /* touchpad returns BUTTON_* area codes
  81                            actual pixel value will still be accessable
  82                            from button_get_data */
  83 };
  84 /* maybe define the number of buttons in button-target.h ? */
  85 void touchpad_set_mode(enum touchpad_mode mode);
  86 enum touchpad_mode touchpad_get_mode(void);
  87 #endif
  88
  89 #endif /* _BUTTON_H_ */