apps/gui/viewport.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2008 by Jonathan Gordon
  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 <stdlib.h>
  23 #include "config.h"
  24 #include "lcd.h"
  25 #include "lcd-remote.h"
  26 #include "font.h"
  27 #include "sprintf.h"
  28 #include "string.h"
  29 #include "settings.h"
  30 #include "kernel.h"
  31 #include "system.h"
  32 #include "misc.h"
  33 #include "viewport.h"
  34 #include "statusbar.h"
  35 #include "screen_access.h"
  36 #include "appevents.h"
  37
  38 static int statusbar_enabled = VP_SB_ALLSCREENS;
  39
  40 int viewport_get_nb_lines(struct viewport *vp)
  41 {
  42 #ifdef HAVE_LCD_BITMAP
  43     return vp->height/font_get(vp->font)->height;
  44 #else
  45     (void)vp;
  46     return 2;
  47 #endif
  48 }
  49
  50 static bool showing_bars(enum screen_type screen)
  51 {
  52     if (statusbar_enabled & VP_SB_ONSCREEN(screen))
  53 #ifdef HAVE_LCD_BITMAP
  54         return global_settings.statusbar ||
  55                (statusbar_enabled & VP_SB_IGNORE_SETTING(screen));
  56 #else
  57         return true;
  58 #endif
  59     return false;
  60 }
  61
  62 void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
  63 {
  64     vp->x = 0;
  65     vp->width = screens[screen].lcdwidth;
  66
  67     vp->y = showing_bars(screen)?STATUSBAR_HEIGHT:0;
  68     vp->height = screens[screen].lcdheight - vp->y;
  69 #ifdef HAVE_LCD_BITMAP
  70     vp->drawmode = DRMODE_SOLID;
  71     vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
  72 #endif
  73
  74 #ifdef HAVE_REMOTE_LCD
  75     /* We only need this test if there is a remote LCD */
  76     if (screen == SCREEN_MAIN)
  77 #endif
  78     {
  79 #ifdef HAVE_LCD_COLOR
  80         vp->fg_pattern = global_settings.fg_color;
  81         vp->bg_pattern = global_settings.bg_color;
  82         vp->lss_pattern = global_settings.lss_color;
  83         vp->lse_pattern = global_settings.lse_color;
  84         vp->lst_pattern = global_settings.lst_color;
  85 #elif LCD_DEPTH > 1
  86         vp->fg_pattern = LCD_DEFAULT_FG;
  87         vp->bg_pattern = LCD_DEFAULT_BG;
  88 #endif
  89     }
  90
  91 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
  92     if (screen == SCREEN_REMOTE)
  93     {
  94         vp->fg_pattern = LCD_REMOTE_DEFAULT_FG;
  95         vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
  96     }
  97 #endif
  98 }
  99
 100
 101 int viewportmanager_set_statusbar(int enabled)
 102 {
 103     int old = statusbar_enabled;
 104     if (enabled)
 105     {
 106         int i;
 107         FOR_NB_SCREENS(i)
 108         {
 109             if (showing_bars(i))
 110                 gui_statusbar_draw(&statusbars.statusbars[i], true);
 111         }
 112         add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_draw_statusbars);
 113     }
 114     else
 115     {
 116         remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_draw_statusbars);
 117     }
 118     statusbar_enabled = enabled;
 119     return old;
 120 }
 121
 122 void viewportmanager_draw_statusbars(void* data)
 123 {
 124     (void)data;
 125     int i;
 126     FOR_NB_SCREENS(i)
 127     {
 128         if (showing_bars(i))
 129             gui_statusbar_draw(&statusbars.statusbars[i], false);
 130     }
 131 }
 132
 133 void viewportmanager_statusbar_changed(void* data)
 134 {
 135     (void)data;
 136     viewportmanager_set_statusbar(statusbar_enabled);
 137 }