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 <stdio.h>
  23 #include "config.h"
  24 #include <lcd.h>
  25 #include <lcd-remote.h>
  26 #include <scroll_engine.h>
  27 #include <font.h>
  28 #include <button.h>
  29 #include <settings.h>
  30 #include <kernel.h>
  31 #include <icons.h>
  32
  33 #include "backlight.h"
  34 #include "screen_access.h"
  35 #include "backdrop.h"
  36
  37 /* some helper functions to calculate metrics on the fly */
  38 static int screen_helper_getcharwidth(void)
  39 {
  40 #ifdef HAVE_LCD_BITMAP
  41     return font_get(lcd_getfont())->maxwidth;
  42 #else
  43     return 1;
  44 #endif
  45 }
  46
  47 static int screen_helper_getcharheight(void)
  48 {
  49 #ifdef HAVE_LCD_BITMAP
  50     return font_get(lcd_getfont())->height;
  51 #else
  52     return 1;
  53 #endif
  54 }
  55
  56 static int screen_helper_getnblines(void)
  57 {
  58     int height=screens[0].lcdheight;
  59 #ifdef HAVE_LCD_BITMAP
  60     if(global_settings.statusbar != STATUSBAR_OFF)
  61         height -= STATUSBAR_HEIGHT;
  62 #ifdef HAVE_BUTTONBAR
  63     if(global_settings.buttonbar && screens[0].has_buttonbar)
  64         height -= BUTTONBAR_HEIGHT;
  65 #endif
  66 #endif
  67     return height / screens[0].getcharheight();
  68 }
  69
  70 void screen_helper_setfont(int font)
  71 {
  72     (void)font;
  73 #ifdef HAVE_LCD_BITMAP
  74     if (font == FONT_UI)
  75         font = global_status.font_id[SCREEN_MAIN];
  76     lcd_setfont(font);
  77 #endif
  78 }
  79
  80 #ifdef HAVE_LCD_BITMAP
  81 static int screen_helper_getuifont(void)
  82 {
  83     return global_status.font_id[SCREEN_MAIN];
  84 }
  85
  86 static void screen_helper_setuifont(int font)
  87 {
  88     global_status.font_id[SCREEN_MAIN] = font;
  89 }
  90 #endif
  91
  92 #if NB_SCREENS == 2
  93 static int screen_helper_remote_getcharwidth(void)
  94 {
  95 #ifdef HAVE_LCD_BITMAP
  96     return font_get(lcd_remote_getfont())->maxwidth;
  97 #else
  98     return 1;
  99 #endif
 100 }
 101
 102 static int screen_helper_remote_getcharheight(void)
 103 {
 104 #ifdef HAVE_LCD_BITMAP
 105     return font_get(lcd_remote_getfont())->height;
 106 #else
 107     return 1;
 108 #endif
 109 }
 110
 111 static int screen_helper_remote_getnblines(void)
 112 {
 113     int height=screens[1].lcdheight;
 114 #ifdef HAVE_LCD_BITMAP
 115     if(global_settings.statusbar != STATUSBAR_OFF)
 116         height -= STATUSBAR_HEIGHT;
 117 #ifdef HAVE_BUTTONBAR
 118     if(global_settings.buttonbar && screens[1].has_buttonbar)
 119         height -= BUTTONBAR_HEIGHT;
 120 #endif
 121 #endif
 122     return height / screens[1].getcharheight();
 123 }
 124
 125 void screen_helper_remote_setfont(int font)
 126 {
 127     if (font == FONT_UI)
 128         font = global_status.font_id[SCREEN_REMOTE];
 129     lcd_remote_setfont(font);
 130 }
 131
 132 static int screen_helper_remote_getuifont(void)
 133 {
 134 #ifdef HAVE_LCD_BITMAP
 135     return global_status.font_id[SCREEN_REMOTE];
 136 #else
 137     return FONT_SYSFIXED;
 138 #endif
 139 }
 140
 141 static void screen_helper_remote_setuifont(int font)
 142 {
 143 #ifdef HAVE_LCD_BITMAP
 144     global_status.font_id[SCREEN_REMOTE] = font;
 145 #endif
 146 }
 147
 148 #endif
 149
 150 struct screen screens[NB_SCREENS] =
 151 {
 152     {
 153         .screen_type=SCREEN_MAIN,
 154         .lcdwidth=LCD_WIDTH,
 155         .lcdheight=LCD_HEIGHT,
 156         .depth=LCD_DEPTH,
 157         .getnblines=&screen_helper_getnblines,
 158 #if defined(HAVE_LCD_COLOR)
 159         .is_color=true,
 160 #else
 161         .is_color=false,
 162 #endif
 163 #ifdef HAVE_LCD_BITMAP
 164         .pixel_format=LCD_PIXELFORMAT,
 165 #endif
 166         .getcharwidth=screen_helper_getcharwidth,
 167         .getcharheight=screen_helper_getcharheight,
 168 #if (CONFIG_LED == LED_VIRTUAL)
 169         .has_disk_led=false,
 170 #elif defined(HAVE_REMOTE_LCD)
 171         .has_disk_led=true,
 172 #endif
 173         .set_viewport=&lcd_set_viewport,
 174         .getwidth=&lcd_getwidth,
 175         .getheight=&lcd_getheight,
 176         .getstringsize=&lcd_getstringsize,
 177 #ifdef HAVE_LCD_BITMAP
 178         .setfont=screen_helper_setfont,
 179         .getuifont=screen_helper_getuifont,
 180         .setuifont=screen_helper_setuifont,
 181         .mono_bitmap=&lcd_mono_bitmap,
 182         .mono_bitmap_part=&lcd_mono_bitmap_part,
 183         .set_drawmode=&lcd_set_drawmode,
 184         .bitmap=(screen_bitmap_func*)&lcd_bitmap,
 185         .bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 186 #if LCD_DEPTH <= 2
 187         /* No transparency yet for grayscale and mono lcd */
 188         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap,
 189         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 190 #else
 191         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap_transparent,
 192         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_transparent_part,
 193 #endif
 194         .bmp = &lcd_bmp,
 195         .bmp_part = &lcd_bmp_part,
 196 #if LCD_DEPTH > 1
 197 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
 198         .color_to_native=&lcd_color_to_native,
 199 #endif
 200         .get_background=&lcd_get_background,
 201         .get_foreground=&lcd_get_foreground,
 202         .set_background=&lcd_set_background,
 203         .set_foreground=&lcd_set_foreground,
 204 #ifdef HAVE_LCD_COLOR
 205         .set_selector_start=&lcd_set_selector_start,
 206         .set_selector_end=&lcd_set_selector_end,
 207         .set_selector_text=&lcd_set_selector_text,
 208 #endif
 209 #endif /* LCD_DEPTH > 1 */
 210         .update_rect=&lcd_update_rect,
 211         .update_viewport_rect=&lcd_update_viewport_rect,
 212         .fillrect=&lcd_fillrect,
 213         .drawrect=&lcd_drawrect,
 214         .draw_border_viewport=&lcd_draw_border_viewport,
 215         .fill_viewport=&lcd_fill_viewport,
 216         .drawpixel=&lcd_drawpixel,
 217         .drawline=&lcd_drawline,
 218         .vline=&lcd_vline,
 219         .hline=&lcd_hline,
 220         .scroll_step=&lcd_scroll_step,
 221         .puts_style_offset=&lcd_puts_style_offset,
 222         .puts_style_xyoffset=&lcd_puts_style_xyoffset,
 223         .puts_scroll_style=&lcd_puts_scroll_style,
 224         .puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
 225         .puts_scroll_style_xyoffset=&lcd_puts_scroll_style_xyoffset,
 226 #endif /* HAVE_LCD_BITMAP */
 227
 228 #ifdef HAVE_LCD_CHARCELLS
 229         .double_height=&lcd_double_height,
 230         .putchar=&lcd_putc,
 231         .get_locked_pattern=&lcd_get_locked_pattern,
 232         .define_pattern=&lcd_define_pattern,
 233         .unlock_pattern=&lcd_unlock_pattern,
 234         .icon=&lcd_icon,
 235 #endif /* HAVE_LCD_CHARCELLS */
 236
 237         .putsxy=&lcd_putsxy,
 238         .puts=&lcd_puts,
 239         .putsf=&lcd_putsf,
 240         .puts_offset=&lcd_puts_offset,
 241         .puts_scroll=&lcd_puts_scroll,
 242         .puts_scroll_offset=&lcd_puts_scroll_offset,
 243         .scroll_speed=&lcd_scroll_speed,
 244         .scroll_delay=&lcd_scroll_delay,
 245         .stop_scroll=&lcd_stop_scroll,
 246         .clear_display=&lcd_clear_display,
 247         .clear_viewport=&lcd_clear_viewport,
 248         .scroll_stop=&lcd_scroll_stop,
 249         .scroll_stop_line=&lcd_scroll_stop_line,
 250         .update=&lcd_update,
 251         .update_viewport=&lcd_update_viewport,
 252         .backlight_on=&backlight_on,
 253         .backlight_off=&backlight_off,
 254         .is_backlight_on=&is_backlight_on,
 255         .backlight_set_timeout=&backlight_set_timeout,
 256 #if LCD_DEPTH > 1
 257         .backdrop_load=&backdrop_load,
 258         .backdrop_show=&backdrop_show,
 259 #endif
 260 #ifdef HAVE_BUTTONBAR
 261         .has_buttonbar=false,
 262 #endif
 263     },
 264 #if NB_SCREENS == 2
 265     {
 266         .screen_type=SCREEN_REMOTE,
 267         .lcdwidth=LCD_REMOTE_WIDTH,
 268         .lcdheight=LCD_REMOTE_HEIGHT,
 269         .depth=LCD_REMOTE_DEPTH,
 270         .getnblines=&screen_helper_remote_getnblines,
 271         .is_color=false,/* No color remotes yet */
 272         .pixel_format=LCD_REMOTE_PIXELFORMAT,
 273         .getcharwidth=screen_helper_remote_getcharwidth,
 274         .getcharheight=screen_helper_remote_getcharheight,
 275         .has_disk_led=false,
 276         .set_viewport=&lcd_remote_set_viewport,
 277         .getwidth=&lcd_remote_getwidth,
 278         .getheight=&lcd_remote_getheight,
 279         .getstringsize=&lcd_remote_getstringsize,
 280 #if 1 /* all remote LCDs are bitmapped so far */
 281         .setfont=screen_helper_remote_setfont,
 282         .getuifont=screen_helper_remote_getuifont,
 283         .setuifont=screen_helper_remote_setuifont,
 284         .mono_bitmap=&lcd_remote_mono_bitmap,
 285         .mono_bitmap_part=&lcd_remote_mono_bitmap_part,
 286         .bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 287         .bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 288         .set_drawmode=&lcd_remote_set_drawmode,
 289 #if LCD_REMOTE_DEPTH <= 2
 290         /* No transparency yet for grayscale and mono lcd */
 291         .transparent_bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 292         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 293         /* No colour remotes yet */
 294 #endif
 295         .bmp = &lcd_remote_bmp,
 296         .bmp_part = &lcd_remote_bmp_part,
 297 #if LCD_REMOTE_DEPTH > 1
 298 #if defined(HAVE_LCD_COLOR)
 299         .color_to_native=&lcd_remote_color_to_native,
 300 #endif
 301         .get_background=&lcd_remote_get_background,
 302         .get_foreground=&lcd_remote_get_foreground,
 303         .set_background=&lcd_remote_set_background,
 304         .set_foreground=&lcd_remote_set_foreground,
 305 #endif /* LCD_REMOTE_DEPTH > 1 */
 306         .update_rect=&lcd_remote_update_rect,
 307         .update_viewport_rect=&lcd_remote_update_viewport_rect,
 308         .fillrect=&lcd_remote_fillrect,
 309         .drawrect=&lcd_remote_drawrect,
 310         .draw_border_viewport=&lcd_remote_draw_border_viewport,
 311         .fill_viewport=&lcd_remote_fill_viewport,
 312         .drawpixel=&lcd_remote_drawpixel,
 313         .drawline=&lcd_remote_drawline,
 314         .vline=&lcd_remote_vline,
 315         .hline=&lcd_remote_hline,
 316         .scroll_step=&lcd_remote_scroll_step,
 317         .puts_style_offset=&lcd_remote_puts_style_offset,
 318         .puts_style_xyoffset=&lcd_remote_puts_style_xyoffset,
 319         .puts_scroll_style=&lcd_remote_puts_scroll_style,
 320         .puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
 321         .puts_scroll_style_xyoffset=&lcd_remote_puts_scroll_style_xyoffset,
 322 #endif /* 1 */
 323
 324 #if 0 /* no charcell remote LCDs so far */
 325         .double_height=&lcd_remote_double_height,
 326         .putc=&lcd_remote_putc,
 327         .get_locked_pattern=&lcd_remote_get_locked_pattern,
 328         .define_pattern=&lcd_remote_define_pattern,
 329         .icon=&lcd_remote_icon,
 330 #endif /* 0 */
 331         .putsxy=&lcd_remote_putsxy,
 332         .puts=&lcd_remote_puts,
 333         .putsf=&lcd_remote_putsf,
 334         .puts_offset=&lcd_remote_puts_offset,
 335         .puts_scroll=&lcd_remote_puts_scroll,
 336         .puts_scroll_offset=&lcd_remote_puts_scroll_offset,
 337         .scroll_speed=&lcd_remote_scroll_speed,
 338         .scroll_delay=&lcd_remote_scroll_delay,
 339         .stop_scroll=&lcd_remote_stop_scroll,
 340         .clear_display=&lcd_remote_clear_display,
 341         .clear_viewport=&lcd_remote_clear_viewport,
 342         .scroll_stop=&lcd_remote_scroll_stop,
 343         .scroll_stop_line=&lcd_remote_scroll_stop_line,
 344         .update=&lcd_remote_update,
 345         .update_viewport=&lcd_remote_update_viewport,
 346         .backlight_on=&remote_backlight_on,
 347         .backlight_off=&remote_backlight_off,
 348         .is_backlight_on=&is_remote_backlight_on,
 349         .backlight_set_timeout=&remote_backlight_set_timeout,
 350
 351 #if LCD_DEPTH > 1
 352         .backdrop_load=&remote_backdrop_load,
 353         .backdrop_show=&remote_backdrop_show,
 354 #endif
 355 #ifdef HAVE_BUTTONBAR
 356         .has_buttonbar=false,
 357 #endif
 358     }
 359 #endif /* HAVE_REMOTE_LCD */
 360 };
 361
 362 #ifdef HAVE_LCD_BITMAP
 363 void screen_clear_area(struct screen * display, int xstart, int ystart,
 364                        int width, int height)
 365 {
 366     display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 367     display->fillrect(xstart, ystart, width, height);
 368     display->set_drawmode(DRMODE_SOLID);
 369 }
 370 #endif