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