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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #ifndef _BUTTON_H_
  20 #define _BUTTON_H_
  21
  22 #include <stdbool.h>
  23 #include <inttypes.h>
  24 #include "config.h"
  25 #include "button-target.h"
  26
  27 extern struct event_queue button_queue;
  28
  29 void button_init (void);
  30 int button_queue_count(void);
  31 long button_get (bool block);
  32 long button_get_w_tmo(int ticks);
  33 intptr_t button_get_data(void);
  34 int button_status(void);
  35 void button_clear_queue(void);
  36 #ifdef HAVE_LCD_BITMAP
  37 void button_set_flip(bool flip); /* turn 180 degrees */
  38 #endif
  39 #ifdef HAVE_BACKLIGHT
  40 void set_backlight_filter_keypress(bool value);
  41 #ifdef HAVE_REMOTE_LCD
  42 void set_remote_backlight_filter_keypress(bool value);
  43 #endif
  44 #endif
  45
  46 #ifdef HAVE_HEADPHONE_DETECTION
  47 bool headphones_inserted(void);
  48 #endif
  49 #ifdef HAVE_WHEEL_POSITION
  50 int wheel_status(void);
  51 void wheel_send_events(bool send);
  52 #endif
  53
  54 #ifdef HAVE_SCROLLWHEEL
  55 int button_apply_acceleration(unsigned int data, unsigned int factor);
  56 #endif
  57
  58 #define BUTTON_NONE    0x00000000
  59
  60 /* Button modifiers */
  61 #define BUTTON_REL      0x02000000
  62 #define BUTTON_REPEAT   0x04000000
  63 #define BUTTON_TOUCHPAD 0x08000000
  64
  65 #endif /* _BUTTON_H_ */