apps/gui/statusbar-skinned.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 Thomas Martitz
  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 "config.h"
  23
  24 #include "system.h"
  25 #include "settings.h"
  26 #include "appevents.h"
  27 #include "screens.h"
  28 #include "screen_access.h"
  29 #include "skin_engine/skin_engine.h"
  30 #include "skin_engine/wps_internals.h"
  31 #include "viewport.h"
  32 #include "statusbar.h"
  33 #include "statusbar-skinned.h"
  34 #include "debug.h"
  35 #include "font.h"
  36 #include "icon.h"
  37
  38
  39 /* currently only one wps_state is needed */
  40 extern struct wps_state     wps_state; /* from wps.c */
  41 static struct gui_wps       sb_skin[NB_SCREENS]      = {{ .data = NULL }};
  42 static struct wps_data      sb_skin_data[NB_SCREENS] = {{ .wps_loaded = 0 }};
  43 static struct wps_sync_data sb_skin_sync_data        = { .do_full_update = false };
  44
  45 /* initial setup of wps_data  */
  46 static int update_delay = DEFAULT_UPDATE_DELAY;
  47
  48 bool sb_set_title_text(char* title, enum themable_icons icon, enum screen_type screen)
  49 {
  50     int i;
  51     bool retval = false;
  52     for(i=0; i<sb_skin_data[screen].num_tokens; i++)
  53     {
  54         if (sb_skin_data[screen].tokens[i].type == WPS_TOKEN_LIST_TITLE_TEXT)
  55         {
  56             sb_skin_data[screen].tokens[i].value.data = title;
  57             retval = true;
  58         }
  59         else if (sb_skin_data[screen].tokens[i].type == WPS_TOKEN_LIST_TITLE_ICON)
  60         {
  61             /* Icon_NOICON == -1 which the skin engine wants at position 1, so + 2 */
  62             sb_skin_data[screen].tokens[i].value.i = icon+2;
  63         }
  64     }
  65     return retval;
  66 }
  67
  68
  69 void sb_skin_data_load(enum screen_type screen, const char *buf, bool isfile)
  70 {
  71     struct wps_data *data = sb_skin[screen].data;
  72
  73     int success;
  74     success = buf && skin_data_load(screen, data, buf, isfile);
  75
  76     if (success)
  77     {  /* hide the sb's default viewport because it has nasty effect with stuff
  78         * not part of the statusbar,
  79         * hence .sbs's without any other vps are unsupported*/
  80         struct skin_viewport *vp = find_viewport(VP_DEFAULT_LABEL, data);
  81         struct skin_token_list *next_vp = data->viewports->next;
  82
  83         if (!next_vp)
  84         {    /* no second viewport, let parsing fail */
  85             success = false;
  86         }
  87         /* hide this viewport, forever */
  88         vp->hidden_flags = VP_NEVER_VISIBLE;
  89         sb_set_info_vp(screen, VP_INFO_LABEL|VP_DEFAULT_LABEL);
  90     }
  91
  92     if (!success && isfile)
  93         sb_create_from_settings(screen);
  94 }
  95 static char infovp_label[NB_SCREENS];
  96 static char oldinfovp_label[NB_SCREENS];
  97 void sb_set_info_vp(enum screen_type screen, char label)
  98 {
  99     infovp_label[screen] = label;
 100 }
 101
 102 struct viewport *sb_skin_get_info_vp(enum screen_type screen)
 103 {
 104     if (oldinfovp_label[screen] != infovp_label[screen])
 105     {
 106         /* UI viewport changed, so force a redraw */
 107         oldinfovp_label[screen] = infovp_label[screen];
 108         viewportmanager_theme_enable(screen, false, NULL);
 109         viewportmanager_theme_undo(screen, true);
 110     }
 111     return &find_viewport(infovp_label[screen], sb_skin[screen].data)->vp;
 112 }
 113
 114 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
 115 char* sb_get_backdrop(enum screen_type screen)
 116 {
 117     return sb_skin[screen].data->backdrop;
 118 }
 119
 120 bool sb_set_backdrop(enum screen_type screen, char* filename)
 121 {
 122     if (!filename)
 123     {
 124         sb_skin[screen].data->backdrop = NULL;
 125         return true;
 126     }
 127     else if (!sb_skin[screen].data->backdrop)
 128     {
 129         /* need to make room on the buffer */
 130         size_t buf_size;
 131 #if defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1)
 132         if (screen == SCREEN_REMOTE)
 133             buf_size = REMOTE_LCD_BACKDROP_BYTES;
 134         else
 135 #endif
 136             buf_size = LCD_BACKDROP_BYTES;
 137         sb_skin[screen].data->backdrop = skin_buffer_alloc(buf_size);
 138         if (!sb_skin[screen].data->backdrop)
 139             return false;
 140     }
 141
 142     if (!screens[screen].backdrop_load(filename, sb_skin[screen].data->backdrop))
 143         sb_skin[screen].data->backdrop = NULL;
 144     return sb_skin[screen].data->backdrop != NULL;
 145 }
 146
 147 #endif
 148 void sb_skin_update(enum screen_type screen, bool force)
 149 {
 150     static long next_update[NB_SCREENS] = {0};
 151     int i = screen;
 152     if (TIME_AFTER(current_tick, next_update[i]) || force)
 153     {
 154 #if defined(HAVE_LCD_ENABLE) || defined(HAVE_LCD_SLEEP)
 155         /* currently, all remotes are readable without backlight
 156          * so still update those */
 157         if (lcd_active() || (i != SCREEN_MAIN))
 158 #endif
 159             skin_update(&sb_skin[i], force?
 160                     WPS_REFRESH_ALL : WPS_REFRESH_NON_STATIC);
 161         next_update[i] = current_tick + update_delay; /* don't update too often */
 162         sb_skin[SCREEN_MAIN].sync_data->do_full_update = false;
 163     }
 164 }
 165
 166 void do_sbs_update_callback(void *param)
 167 {
 168     (void)param;
 169     /* the WPS handles changing the actual id3 data in the id3 pointers
 170      * we imported, we just want a full update */
 171     sb_skin_sync_data.do_full_update = true;
 172     /* force timeout in wps main loop, so that the update is instantly */
 173     queue_post(&button_queue, BUTTON_NONE, 0);
 174 }
 175
 176 void sb_skin_set_update_delay(int delay)
 177 {
 178     update_delay = delay;
 179 }
 180
 181 /* This creates and loads a ".sbs" based on the user settings for:
 182  *  - regular statusbar
 183  *  - colours
 184  *  - ui viewport
 185  *  - backdrop
 186  */
 187 void sb_create_from_settings(enum screen_type screen)
 188 {
 189     char buf[128], *ptr, *ptr2;
 190     int len, remaining = sizeof(buf);
 191     int bar_position = statusbar_position(screen);
 192     ptr = buf;
 193     ptr[0] = '\0';
 194
 195     /* setup the inbuilt statusbar */
 196     if (bar_position != STATUSBAR_OFF)
 197     {
 198         int y = 0, height = STATUSBAR_HEIGHT;
 199         if (bar_position == STATUSBAR_BOTTOM)
 200         {
 201             y = screens[screen].lcdheight - STATUSBAR_HEIGHT;
 202         }
 203         len = snprintf(ptr, remaining, "%%V(0,%d,-,%d,0)\n%%wi\n",
 204                        y, height);
 205         remaining -= len;
 206         ptr += len;
 207     }
 208     /* %Vi viewport, colours handled by the parser */
 209 #if NB_SCREENS > 1
 210     if (screen == SCREEN_REMOTE)
 211         ptr2 = global_settings.remote_ui_vp_config;
 212     else
 213 #endif
 214         ptr2 = global_settings.ui_vp_config;
 215
 216     if (ptr2[0] && ptr2[0] != '-') /* from ui viewport setting */
 217     {
 218         len = snprintf(ptr, remaining, "%%ax%%Vi(-,%s)\n", ptr2);
 219     }
 220     else
 221     {
 222         int y = 0, height;
 223         switch (bar_position)
 224         {
 225             case STATUSBAR_TOP:
 226                 y = STATUSBAR_HEIGHT;
 227             case STATUSBAR_BOTTOM:
 228                 height = screens[screen].lcdheight - STATUSBAR_HEIGHT;
 229                 break;
 230             default:
 231                 height = screens[screen].lcdheight;
 232         }
 233         len = snprintf(ptr, remaining, "%%ax%%Vi(-,0,%d,-,%d,1)\n",
 234                        y, height);
 235     }
 236     sb_skin_data_load(screen, buf, false);
 237 }
 238
 239 void sb_skin_init(void)
 240 {
 241     int i;
 242     FOR_NB_SCREENS(i)
 243     {
 244 #ifdef HAVE_ALBUMART
 245         sb_skin_data[i].albumart = NULL;
 246         sb_skin_data[i].playback_aa_slot = -1;
 247 #endif
 248         sb_skin[i].data = &sb_skin_data[i];
 249         sb_skin[i].display = &screens[i];
 250         /* Currently no seperate wps_state needed/possible
 251            so use the only available ( "global" ) one */
 252         sb_skin[i].state = &wps_state;
 253         sb_skin[i].sync_data = &sb_skin_sync_data;
 254     }
 255 }