uisimulator/common/lcd-common.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 by Robert E. Hak <rhak@ramapo.edu>
  11  *
  12  * Windows Copyright (C) 2002 by Felix Arends
  13  * X11 Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License
  17  * as published by the Free Software Foundation; either version 2
  18  * of the License, or (at your option) any later version.
  19  *
  20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21  * KIND, either express or implied.
  22  *
  23  ****************************************************************************/
  24
  25 #include <stdbool.h>
  26 #include "config.h"
  27 #include "system.h"
  28 #include "lcd.h"
  29
  30 #ifdef HAVE_LCD_ENABLE
  31 static bool lcd_enabled = false;
  32 #endif
  33 #ifdef HAVE_LCD_SLEEP
  34 static bool lcd_sleeping = true;
  35 #endif
  36
  37 void lcd_set_flip(bool yesno)
  38 {
  39     (void)yesno;
  40 }
  41
  42 void lcd_set_invert_display(bool invert)
  43 {
  44     (void)invert;
  45 }
  46
  47 int lcd_default_contrast(void)
  48 {
  49     return 28;
  50 }
  51
  52 #ifdef HAVE_REMOTE_LCD
  53 void lcd_remote_set_contrast(int val)
  54 {
  55     (void)val;
  56 }
  57 void lcd_remote_backlight_on(int val)
  58 {
  59     (void)val;
  60 }
  61 void lcd_remote_backlight_off(int val)
  62 {
  63     (void)val;
  64 }
  65
  66 void lcd_remote_set_flip(bool yesno)
  67 {
  68     (void)yesno;
  69 }
  70
  71 void lcd_remote_set_invert_display(bool invert)
  72 {
  73     (void)invert;
  74 }
  75 #endif
  76
  77 #ifdef HAVE_LCD_SLEEP
  78 void lcd_sleep(void)
  79 {
  80     lcd_sleeping = true;
  81 }
  82
  83 void lcd_awake(void)
  84 {
  85     if (lcd_sleeping)
  86     {
  87         send_event(LCD_EVENT_ACTIVATION, NULL);
  88         lcd_sleeping = false;
  89     }
  90 }
  91 #endif
  92 #ifdef HAVE_LCD_ENABLE
  93 void lcd_enable(bool on)
  94 {
  95     if (on && !lcd_enabled)
  96     {
  97 #ifdef HAVE_LCD_SLEEP
  98         /* lcd_awake will handle the activation call */
  99         lcd_awake();
 100 #else
 101         send_event(LCD_EVENT_ACTIVATION, NULL);
 102 #endif
 103     }
 104     lcd_enabled = on;
 105 }
 106 #endif
 107
 108 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 109 bool lcd_active(void)
 110 {
 111     bool retval = false;
 112 #ifdef HAVE_LCD_ENABLE
 113     retval = lcd_enabled;
 114 #endif
 115 #ifdef HAVE_LCD_SLEEP
 116     if (!retval)
 117         retval = !lcd_sleeping;
 118 #endif
 119     return retval;
 120 }
 121 #endif