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 #include "gwps.h"
  38
  39 static int statusbar_enabled = 0;
  40
  41 int viewport_get_nb_lines(struct viewport *vp)
  42 {
  43 #ifdef HAVE_LCD_BITMAP
  44     return vp->height/font_get(vp->font)->height;
  45 #else
  46     (void)vp;
  47     return 2;
  48 #endif
  49 }
  50
  51 static bool showing_bars(enum screen_type screen)
  52 {
  53     if (statusbar_enabled & VP_SB_ONSCREEN(screen))
  54 #ifdef HAVE_LCD_BITMAP
  55         return global_settings.statusbar ||
  56                (statusbar_enabled & VP_SB_IGNORE_SETTING(screen));
  57 #else
  58         return true;
  59 #endif
  60     return false;
  61 }
  62
  63 void viewport_set_defaults(struct viewport *vp, enum screen_type screen)
  64 {
  65     vp->x = 0;
  66     vp->width = screens[screen].lcdwidth;
  67
  68     vp->y = showing_bars(screen)?STATUSBAR_HEIGHT:0;
  69     vp->height = screens[screen].lcdheight - vp->y;
  70 #ifdef HAVE_LCD_BITMAP
  71     vp->drawmode = DRMODE_SOLID;
  72     vp->font = FONT_UI; /* default to UI to discourage SYSFONT use */
  73 #endif
  74
  75 #ifdef HAVE_REMOTE_LCD
  76     /* We only need this test if there is a remote LCD */
  77     if (screen == SCREEN_MAIN)
  78 #endif
  79     {
  80 #ifdef HAVE_LCD_COLOR
  81         vp->fg_pattern = global_settings.fg_color;
  82         vp->bg_pattern = global_settings.bg_color;
  83         vp->lss_pattern = global_settings.lss_color;
  84         vp->lse_pattern = global_settings.lse_color;
  85         vp->lst_pattern = global_settings.lst_color;
  86 #elif LCD_DEPTH > 1
  87         vp->fg_pattern = LCD_DEFAULT_FG;
  88         vp->bg_pattern = LCD_DEFAULT_BG;
  89 #endif
  90     }
  91
  92 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
  93     if (screen == SCREEN_REMOTE)
  94     {
  95         vp->fg_pattern = LCD_REMOTE_DEFAULT_FG;
  96         vp->bg_pattern = LCD_REMOTE_DEFAULT_BG;
  97     }
  98 #endif
  99 }
 100
 101
 102 int viewportmanager_set_statusbar(int enabled)
 103 {
 104     int old = statusbar_enabled;
 105     statusbar_enabled = enabled;
 106     if (enabled)
 107     {
 108         int i;
 109         FOR_NB_SCREENS(i)
 110         {
 111             if (showing_bars(i))
 112                 gui_statusbar_draw(&statusbars.statusbars[i], true);
 113         }
 114         add_event(GUI_EVENT_ACTIONUPDATE, false, viewportmanager_draw_statusbars);
 115     }
 116     else
 117     {
 118         remove_event(GUI_EVENT_ACTIONUPDATE, viewportmanager_draw_statusbars);
 119     }
 120     return old;
 121 }
 122
 123 void viewportmanager_draw_statusbars(void* data)
 124 {
 125     (void)data;
 126     int i;
 127
 128     FOR_NB_SCREENS(i)
 129     {
 130         if (showing_bars(i))
 131             gui_statusbar_draw(&statusbars.statusbars[i], false);
 132     }
 133 }
 134
 135 void viewportmanager_statusbar_changed(void* data)
 136 {
 137     (void)data;
 138     viewportmanager_set_statusbar(statusbar_enabled);
 139 }