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 = 0;
  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     {
  54 #ifdef HAVE_LCD_BITMAP
  55         bool ignore = statusbar_enabled & VP_SB_IGNORE_SETTING(screen);
  56         return ignore || (statusbar_position(screen));
  57 #else
  58         return true;
  59 #endif
  60     }
  61     return false;
  62 }
  63
  64 void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
  65 {
  66     vp->x = 0;
  67     vp->width = screens[screen].lcdwidth;
  68
  69 #ifdef HAVE_LCD_BITMAP
  70     vp->drawmode = DRMODE_SOLID;
  71     vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
  72
  73     vp->height = screens[screen].lcdheight;
  74     if (statusbar_position(screen) != STATUSBAR_BOTTOM && showing_bars(screen))
  75         vp->y = STATUSBAR_HEIGHT;
  76     else
  77         vp->y = 0;
  78 #else
  79     vp->y = 0;
  80 #endif
  81     vp->height = screens[screen].lcdheight - (showing_bars(screen)?STATUSBAR_HEIGHT:0);
  82
  83 #ifdef HAVE_REMOTE_LCD
  84     /* We only need this test if there is a remote LCD */
  85     if (screen == SCREEN_MAIN)
  86 #endif
  87     {
  88 #ifdef HAVE_LCD_COLOR
  89         vp->fg_pattern = global_settings.fg_color;
  90         vp->bg_pattern = global_settings.bg_color;
  91         vp->lss_pattern = global_settings.lss_color;
  92         vp->lse_pattern = global_settings.lse_color;
  93         vp->lst_pattern = global_settings.lst_color;
  94 #elif LCD_DEPTH > 1
  95         vp->fg_pattern = LCD_DEFAULT_FG;
  96         vp->bg_pattern = LCD_DEFAULT_BG;
  97 #endif
  98     }
  99
 100 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 101     if (screen == SCREEN_REMOTE)
 102     {
 103         vp->fg_pattern = LCD_REMOTE_DEFAULT_FG;
 104         vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
 105     }
 106 #endif
 107 }
 108
 109
 110 int viewportmanager_set_statusbar(int enabled)
 111 {
 112     int old = statusbar_enabled;
 113     statusbar_enabled = enabled;
 114     if (enabled)
 115     {
 116         int i;
 117         FOR_NB_SCREENS(i)
 118         {
 119             if (showing_bars(i))
 120                 gui_statusbar_draw(&statusbars.statusbars[i], true);
 121         }
 122         add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_draw_statusbars);
 123     }
 124     else
 125     {
 126         remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_draw_statusbars);
 127     }
 128     return old;
 129 }
 130
 131 void viewportmanager_draw_statusbars(void* data)
 132 {
 133     int i;
 134
 135     FOR_NB_SCREENS(i)
 136     {
 137         if (showing_bars(i))
 138             gui_statusbar_draw(&statusbars.statusbars[i], (bool)data);
 139     }
 140 }
 141
 142 void viewportmanager_statusbar_changed(void* data)
 143 {
 144     (void)data;
 145     statusbar_enabled = 0;
 146     if (global_settings.statusbar != STATUSBAR_OFF)
 147         statusbar_enabled = VP_SB_ONSCREEN(SCREEN_MAIN);
 148 #ifdef HAVE_REMOTE_LCD
 149     if (global_settings.remote_statusbar != STATUSBAR_OFF)
 150         statusbar_enabled |= VP_SB_ONSCREEN(SCREEN_REMOTE);
 151 #endif
 152     viewportmanager_set_statusbar(statusbar_enabled);
 153 }