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 #ifndef __PCTOOL__
  26 #include "button-target.h"
  27 #endif
  28
  29 extern struct event_queue button_queue;
  30
  31 void button_init (void);
  32 void button_close(void);
  33 int button_queue_count(void);
  34 long button_get (bool block);
  35 long button_get_w_tmo(int ticks);
  36 intptr_t button_get_data(void);
  37 int button_status(void);
  38 void button_clear_queue(void);
  39 #ifdef HAVE_LCD_BITMAP
  40 void button_set_flip(bool flip); /* turn 180 degrees */
  41 #endif
  42 #ifdef HAVE_BACKLIGHT
  43 void set_backlight_filter_keypress(bool value);
  44 #ifdef HAVE_REMOTE_LCD
  45 void set_remote_backlight_filter_keypress(bool value);
  46 #endif
  47 #endif
  48
  49 #ifdef HAVE_HEADPHONE_DETECTION
  50 bool headphones_inserted(void);
  51 #endif
  52 #ifdef HAVE_WHEEL_POSITION
  53 int wheel_status(void);
  54 void wheel_send_events(bool send);
  55 #endif
  56
  57 #ifdef HAVE_SCROLLWHEEL
  58 int button_apply_acceleration(const unsigned int data);
  59 #endif
  60
  61 #define BUTTON_NONE    0x00000000
  62
  63 /* Button modifiers */
  64 #define BUTTON_REL      0x02000000
  65 #define BUTTON_REPEAT   0x04000000
  66 #define BUTTON_TOUCHPAD 0x08000000
  67
  68 #ifdef HAVE_TOUCHPAD
  69 #if !defined(BUTTON_TOPLEFT) || !defined(BUTTON_TOPMIDDLE) \
  70  || !defined(BUTTON_TOPRIGHT) || !defined(BUTTON_MIDLEFT) \
  71  || !defined(BUTTON_CENTER) || !defined(BUTTON_MIDRIGHT) \
  72  || !defined(BUTTON_BOTTOMLEFT) || !defined(BUTTON_BOTTOMMIDDLE) \
  73  || !defined(BUTTON_BOTTOMRIGHT)
  74 #error Touchpad button mode BUTTON_* defines not set up correctly
  75 #endif
  76 enum touchpad_mode {
  77     TOUCHPAD_POINT = 0, /* touchpad returns pixel co-ords */
  78     TOUCHPAD_BUTTON,    /* touchpad returns BUTTON_* area codes
  79                            actual pixel value will still be accessable
  80                            from button_get_data */
  81 };
  82 /* maybe define the number of buttons in button-target.h ? */
  83 void touchpad_set_mode(enum touchpad_mode mode);
  84 enum touchpad_mode touchpad_get_mode(void);
  85 #endif
  86
  87 #endif /* _BUTTON_H_ */