apps/screen_access.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Kevin Ferrare
  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
  22 #include <lcd.h>
  23 #include <lcd-remote.h>
  24 #include <scroll_engine.h>
  25 #include "backlight.h"
  26 #include <font.h>
  27 #include <button.h>
  28 #include <sprintf.h>
  29 #include <settings.h>
  30 #include <kernel.h>
  31 #include <icons.h>
  32
  33 #include "screen_access.h"
  34 #include "backdrop.h"
  35
  36 /* some helper functions to calculate metrics on the fly */
  37 static int screen_helper_getcharwidth(void)
  38 {
  39 #ifdef HAVE_LCD_BITMAP
  40     return font_get(lcd_getfont())->maxwidth;
  41 #else
  42     return 1;
  43 #endif
  44 }
  45
  46 static int screen_helper_getcharheight(void)
  47 {
  48 #ifdef HAVE_LCD_BITMAP
  49     return font_get(lcd_getfont())->height;
  50 #else
  51     return 1;
  52 #endif
  53 }
  54
  55 static int screen_helper_getnblines(void)
  56 {
  57     int height=screens[0].lcdheight;
  58 #ifdef HAVE_LCD_BITMAP
  59     if(global_settings.statusbar)
  60         height -= STATUSBAR_HEIGHT;
  61 #ifdef HAVE_BUTTONBAR
  62     if(global_settings.buttonbar && screens[0].has_buttonbar)
  63         height -= BUTTONBAR_HEIGHT;
  64 #endif
  65 #endif
  66     return height / screens[0].getcharheight();
  67 }
  68
  69 #if NB_SCREENS == 2
  70 static int screen_helper_remote_getcharwidth(void)
  71 {
  72 #ifdef HAVE_LCD_BITMAP
  73     return font_get(lcd_remote_getfont())->maxwidth;
  74 #else
  75     return 1;
  76 #endif
  77 }
  78
  79 static int screen_helper_remote_getcharheight(void)
  80 {
  81 #ifdef HAVE_LCD_BITMAP
  82     return font_get(lcd_remote_getfont())->height;
  83 #else
  84     return 1;
  85 #endif
  86 }
  87
  88 static int screen_helper_remote_getnblines(void)
  89 {
  90     int height=screens[1].lcdheight;
  91 #ifdef HAVE_LCD_BITMAP
  92     if(global_settings.statusbar)
  93         height -= STATUSBAR_HEIGHT;
  94 #ifdef HAVE_BUTTONBAR
  95     if(global_settings.buttonbar && screens[0].has_buttonbar)
  96         height -= BUTTONBAR_HEIGHT;
  97 #endif
  98 #endif
  99     return height / screens[1].getcharheight();
 100 }
 101 #endif
 102
 103 struct screen screens[NB_SCREENS] =
 104 {
 105     {
 106         .screen_type=SCREEN_MAIN,
 107         .lcdwidth=LCD_WIDTH,
 108         .lcdheight=LCD_HEIGHT,
 109         .depth=LCD_DEPTH,
 110         .getnblines=&screen_helper_getnblines,
 111 #if defined(HAVE_LCD_COLOR)
 112         .is_color=true,
 113 #else
 114         .is_color=false,
 115 #endif
 116 #ifdef HAVE_LCD_BITMAP
 117         .pixel_format=LCD_PIXELFORMAT,
 118 #endif
 119         .getcharwidth=screen_helper_getcharwidth,
 120         .getcharheight=screen_helper_getcharheight,
 121 #if (CONFIG_LED == LED_VIRTUAL)
 122         .has_disk_led=false,
 123 #elif defined(HAVE_REMOTE_LCD)
 124         .has_disk_led=true,
 125 #endif
 126         .set_viewport=&lcd_set_viewport,
 127         .getwidth=&lcd_getwidth,
 128         .getheight=&lcd_getheight,
 129         .getstringsize=&lcd_getstringsize,
 130 #ifdef HAVE_LCD_BITMAP
 131         .setfont=&lcd_setfont,
 132         .getfont=&lcd_getfont,
 133         .mono_bitmap=&lcd_mono_bitmap,
 134         .mono_bitmap_part=&lcd_mono_bitmap_part,
 135         .set_drawmode=&lcd_set_drawmode,
 136         .bitmap=(screen_bitmap_func*)&lcd_bitmap,
 137         .bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 138 #if LCD_DEPTH <= 2
 139         /* No transparency yet for grayscale and mono lcd */
 140         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap,
 141         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 142 #else
 143         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap_transparent,
 144         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_transparent_part,
 145 #endif
 146 #if LCD_DEPTH > 1
 147 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
 148         .color_to_native=&lcd_color_to_native,
 149 #endif
 150         .get_background=&lcd_get_background,
 151         .get_foreground=&lcd_get_foreground,
 152         .set_background=&lcd_set_background,
 153         .set_foreground=&lcd_set_foreground,
 154 #ifdef HAVE_LCD_COLOR
 155         .set_selector_start=&lcd_set_selector_start,
 156         .set_selector_end=&lcd_set_selector_end,
 157         .set_selector_text=&lcd_set_selector_text,
 158 #endif
 159 #endif /* LCD_DEPTH > 1 */
 160         .update_rect=&lcd_update_rect,
 161         .update_viewport_rect=&lcd_update_viewport_rect,
 162         .fillrect=&lcd_fillrect,
 163         .drawrect=&lcd_drawrect,
 164         .drawpixel=&lcd_drawpixel,
 165         .drawline=&lcd_drawline,
 166         .vline=&lcd_vline,
 167         .hline=&lcd_hline,
 168         .scroll_step=&lcd_scroll_step,
 169         .puts_style_offset=&lcd_puts_style_offset,
 170         .puts_scroll_style=&lcd_puts_scroll_style,
 171         .puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
 172 #endif /* HAVE_LCD_BITMAP */
 173
 174 #ifdef HAVE_LCD_CHARCELLS
 175         .double_height=&lcd_double_height,
 176         .putc=&lcd_putc,
 177         .get_locked_pattern=&lcd_get_locked_pattern,
 178         .define_pattern=&lcd_define_pattern,
 179         .unlock_pattern=&lcd_unlock_pattern,
 180         .icon=&lcd_icon,
 181 #endif /* HAVE_LCD_CHARCELLS */
 182
 183         .putsxy=&lcd_putsxy,
 184         .puts=&lcd_puts,
 185         .puts_offset=&lcd_puts_offset,
 186         .puts_scroll=&lcd_puts_scroll,
 187         .puts_scroll_offset=&lcd_puts_scroll_offset,
 188         .scroll_speed=&lcd_scroll_speed,
 189         .scroll_delay=&lcd_scroll_delay,
 190         .stop_scroll=&lcd_stop_scroll,
 191         .clear_display=&lcd_clear_display,
 192         .clear_viewport=&lcd_clear_viewport,
 193         .scroll_stop=&lcd_scroll_stop,
 194         .scroll_stop_line=&lcd_scroll_stop_line,
 195         .update=&lcd_update,
 196         .update_viewport=&lcd_update_viewport,
 197         .backlight_on=&backlight_on,
 198         .backlight_off=&backlight_off,
 199         .is_backlight_on=&is_backlight_on,
 200         .backlight_set_timeout=&backlight_set_timeout,
 201         .backdrop_load=&backdrop_load,
 202         .backdrop_unload=&backdrop_unload,
 203         .backdrop_show=&backdrop_show,
 204 #ifdef HAVE_BUTTONBAR
 205         .has_buttonbar=false,
 206 #endif
 207     },
 208 #if NB_SCREENS == 2
 209     {
 210         .screen_type=SCREEN_REMOTE,
 211         .lcdwidth=LCD_REMOTE_WIDTH,
 212         .lcdheight=LCD_REMOTE_HEIGHT,
 213         .depth=LCD_REMOTE_DEPTH,
 214         .getnblines=&screen_helper_remote_getnblines,
 215         .is_color=false,/* No color remotes yet */
 216         .pixel_format=LCD_REMOTE_PIXELFORMAT,
 217         .getcharwidth=screen_helper_remote_getcharwidth,
 218         .getcharheight=screen_helper_remote_getcharheight,
 219         .has_disk_led=false,
 220         .set_viewport=&lcd_remote_set_viewport,
 221         .getwidth=&lcd_remote_getwidth,
 222         .getheight=&lcd_remote_getheight,
 223         .getstringsize=&lcd_remote_getstringsize,
 224 #if 1 /* all remote LCDs are bitmapped so far */
 225         .setfont=&lcd_remote_setfont,
 226         .getfont=&lcd_remote_getfont,
 227         .mono_bitmap=&lcd_remote_mono_bitmap,
 228         .mono_bitmap_part=&lcd_remote_mono_bitmap_part,
 229         .bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 230         .bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 231         .set_drawmode=&lcd_remote_set_drawmode,
 232 #if LCD_REMOTE_DEPTH <= 2
 233         /* No transparency yet for grayscale and mono lcd */
 234         .transparent_bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 235         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 236         /* No colour remotes yet */
 237 #endif
 238 #if LCD_REMOTE_DEPTH > 1
 239 #if defined(HAVE_LCD_COLOR)
 240         .color_to_native=&lcd_remote_color_to_native,
 241 #endif
 242         .get_background=&lcd_remote_get_background,
 243         .get_foreground=&lcd_remote_get_foreground,
 244         .set_background=&lcd_remote_set_background,
 245         .set_foreground=&lcd_remote_set_foreground,
 246 #endif /* LCD_REMOTE_DEPTH > 1 */
 247         .update_rect=&lcd_remote_update_rect,
 248         .update_viewport_rect=&lcd_remote_update_viewport_rect,
 249         .fillrect=&lcd_remote_fillrect,
 250         .drawrect=&lcd_remote_drawrect,
 251         .drawpixel=&lcd_remote_drawpixel,
 252         .drawline=&lcd_remote_drawline,
 253         .vline=&lcd_remote_vline,
 254         .hline=&lcd_remote_hline,
 255         .scroll_step=&lcd_remote_scroll_step,
 256         .puts_style_offset=&lcd_remote_puts_style_offset,
 257         .puts_scroll_style=&lcd_remote_puts_scroll_style,
 258         .puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
 259 #endif /* 1 */
 260
 261 #if 0 /* no charcell remote LCDs so far */
 262         .double_height=&lcd_remote_double_height,
 263         .putc=&lcd_remote_putc,
 264         .get_locked_pattern=&lcd_remote_get_locked_pattern,
 265         .define_pattern=&lcd_remote_define_pattern,
 266         .icon=&lcd_remote_icon,
 267 #endif /* 0 */
 268         .putsxy=&lcd_remote_putsxy,
 269         .puts=&lcd_remote_puts,
 270         .puts_offset=&lcd_remote_puts_offset,
 271         .puts_scroll=&lcd_remote_puts_scroll,
 272         .puts_scroll_offset=&lcd_remote_puts_scroll_offset,
 273         .scroll_speed=&lcd_remote_scroll_speed,
 274         .scroll_delay=&lcd_remote_scroll_delay,
 275         .stop_scroll=&lcd_remote_stop_scroll,
 276         .clear_display=&lcd_remote_clear_display,
 277         .clear_viewport=&lcd_remote_clear_viewport,
 278         .scroll_stop=&lcd_remote_scroll_stop,
 279         .scroll_stop_line=&lcd_remote_scroll_stop_line,
 280         .update=&lcd_remote_update,
 281         .update_viewport=&lcd_remote_update_viewport,
 282         .backlight_on=&remote_backlight_on,
 283         .backlight_off=&remote_backlight_off,
 284         .is_backlight_on=&is_remote_backlight_on,
 285         .backlight_set_timeout=&remote_backlight_set_timeout,
 286         .backdrop_load=&remote_backdrop_load,
 287         .backdrop_unload=&remote_backdrop_unload,
 288         .backdrop_show=&remote_backdrop_show,
 289     }
 290 #endif /* HAVE_REMOTE_LCD */
 291 };
 292
 293 #ifdef HAVE_LCD_BITMAP
 294 void screen_clear_area(struct screen * display, int xstart, int ystart,
 295                        int width, int height)
 296 {
 297     display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 298     display->fillrect(xstart, ystart, width, height);
 299     display->set_drawmode(DRMODE_SOLID);
 300 }
 301 #endif