apps/menus/time_menu.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 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 <stdbool.h>
  23 #include <stddef.h>
  24 #include <limits.h>
  25 #include "config.h"
  26 #include "string.h"
  27 #include "sprintf.h"
  28 #include "lang.h"
  29 #include "action.h"
  30 #include "settings.h"
  31 #include "powermgmt.h"
  32 #include "menu.h"
  33 #include "misc.h"
  34 #include "exported_menus.h"
  35 #include "keyboard.h"
  36 #include "talk.h"
  37 #include "version.h"
  38 #include "time.h"
  39 #include "viewport.h"
  40 #include "list.h"
  41 #include "alarm_menu.h"
  42 #include "screens.h"
  43 #include "radio.h"
  44 #include "font.h"
  45 #include "system.h"
  46
  47 static int timedate_set(void)
  48 {
  49     /* Make a local copy of the time struct */
  50     struct tm tm = *get_time();
  51     int result;
  52
  53     /* do some range checks */
  54     /* This prevents problems with time/date setting after a power loss */
  55     if (!valid_time(&tm))
  56     {
  57 /* Macros to convert a 2-digit string to a decimal constant.
  58         (YEAR), MONTH and DAY are set by the date command, which outputs
  59         DAY as 00..31 and MONTH as 01..12. The leading zero would lead to
  60         misinterpretation as an octal constant. */
  61 #define S100(x) 1 ## x
  62 #define C2DIG2DEC(x) (S100(x)-100)
  63
  64         tm.tm_hour = 0;
  65         tm.tm_min  = 0;
  66         tm.tm_sec  = 0;
  67         tm.tm_mday = C2DIG2DEC(DAY);
  68         tm.tm_mon  = C2DIG2DEC(MONTH)-1;
  69         tm.tm_wday = 1;
  70         tm.tm_year = YEAR-1900;
  71     }
  72
  73     result = (int)set_time_screen(str(LANG_SET_TIME), &tm);
  74
  75     if(tm.tm_year != -1) {
  76         set_time(&tm);
  77     }
  78     return result;
  79 }
  80
  81 MENUITEM_FUNCTION(time_set, 0, ID2P(LANG_SET_TIME),
  82                   timedate_set, NULL, NULL, Icon_NOICON);
  83 MENUITEM_SETTING(timeformat, &global_settings.timeformat, NULL);
  84
  85 /* in main_menu.c */
  86 extern const struct menu_item_ex sleep_timer_call;
  87
  88 #ifdef HAVE_RTC_ALARM
  89 MENUITEM_FUNCTION(alarm_screen_call, 0, ID2P(LANG_ALARM_MOD_ALARM_MENU),
  90                   (menu_function)alarm_screen, NULL, NULL, Icon_NOICON);
  91 #if CONFIG_TUNER || defined(HAVE_RECORDING)
  92
  93 #if CONFIG_TUNER && !defined(HAVE_RECORDING)
  94 /* This need only be shown if we dont have recording, because if we do
  95    then always show the setting item, because there will always be at least
  96    2 items */
  97 static int alarm_callback(int action,const struct menu_item_ex *this_item)
  98 {
  99     (void)this_item;
 100     switch (action)
 101     {
 102         case ACTION_REQUEST_MENUITEM:
 103             if (radio_hardware_present() == 0)
 104                 return ACTION_EXIT_MENUITEM;
 105             break;
 106     }
 107     return action;
 108 }
 109 #else
 110 #define alarm_callback NULL
 111 #endif /* CONFIG_TUNER && !HAVE_RECORDING */
 112 /* have to do this manually because the setting screen
 113    doesnt handle variable item count */
 114 static int alarm_setting(void)
 115 {
 116     struct opt_items items[ALARM_START_COUNT];
 117     int i = 0;
 118     items[i].string = str(LANG_RESUME_PLAYBACK);
 119     items[i].voice_id = LANG_RESUME_PLAYBACK;
 120     i++;
 121 #if CONFIG_TUNER
 122     if (radio_hardware_present())
 123     {
 124         items[i].string = str(LANG_FM_RADIO);
 125         items[i].voice_id = LANG_FM_RADIO;
 126         i++;
 127     }
 128 #endif
 129 #ifdef HAVE_RECORDING
 130     items[i].string = str(LANG_RECORDING);
 131     items[i].voice_id = LANG_RECORDING;
 132     i++;
 133 #endif
 134     return set_option(str(LANG_ALARM_WAKEUP_SCREEN),
 135                       &global_settings.alarm_wake_up_screen,
 136                       INT, items, i, NULL);
 137 }
 138
 139 MENUITEM_FUNCTION(alarm_wake_up_screen, 0, ID2P(LANG_ALARM_WAKEUP_SCREEN),
 140                   alarm_setting, NULL, alarm_callback, Icon_Menu_setting);
 141 #endif /* CONFIG_TUNER || defined(HAVE_RECORDING) */
 142
 143 #endif /* HAVE_RTC_ALARM */
 144 static void talk_timedate(void)
 145 {
 146     struct tm *tm = get_time();
 147     if (!global_settings.talk_menu)
 148         return;
 149     talk_id(VOICE_CURRENT_TIME, false);
 150     if (valid_time(tm))
 151     {
 152         talk_time(tm, true);
 153         talk_date(get_time(), true);
 154     }
 155     else
 156     {
 157         talk_id(LANG_UNKNOWN, true);
 158     }
 159 }
 160
 161 static void draw_timedate(struct viewport *vp, struct screen *display)
 162 {
 163     struct tm *tm = get_time();
 164     int line;
 165     char time[16], date[16];
 166     const char *t = time, *d = date;
 167     if (vp->height == 0)
 168         return;
 169     display->set_viewport(vp);
 170     display->clear_viewport();
 171     if (viewport_get_nb_lines(vp) >= 4)
 172         line = 1;
 173     else
 174         line = 0;
 175
 176     if (valid_time(tm))
 177     {
 178         snprintf(time, sizeof(time), "%02d:%02d:%02d%s",
 179                 global_settings.timeformat == 0 ? tm->tm_hour :
 180                         ((tm->tm_hour + 11) % 12) + 1,
 181                             tm->tm_min,
 182                             tm->tm_sec,
 183                         global_settings.timeformat == 0 ? "" :
 184                                 tm->tm_hour>11 ? " P" : " A");
 185         snprintf(date, sizeof(date), "%s %d %d",
 186                 str(LANG_MONTH_JANUARY + tm->tm_mon),
 187                     tm->tm_mday,
 188                     tm->tm_year+1900);
 189     }
 190     else
 191     {
 192         t = "--:--:--";
 193         d = str(LANG_UNKNOWN);
 194     }
 195
 196     display->puts(0, line++, t);
 197     display->puts(0, line, d);
 198
 199     display->update_viewport();
 200     display->set_viewport(NULL);
 201 }
 202
 203
 204 static struct viewport clock[NB_SCREENS], menu[NB_SCREENS];
 205 static bool menu_was_pressed;
 206 static int time_menu_callback(int action,
 207                        const struct menu_item_ex *this_item)
 208 {
 209     (void)this_item;
 210     int i;
 211     static int last_redraw = 0;
 212     bool redraw = false;
 213
 214     if (TIME_BEFORE(last_redraw+HZ/2, current_tick))
 215         redraw = true;
 216     switch (action)
 217     {
 218         case ACTION_REDRAW:
 219             redraw = true;
 220             break;
 221         case ACTION_STD_CONTEXT:
 222             talk_timedate();
 223             action = ACTION_NONE;
 224             break;
 225         /* need to tell do_menu() to return, but then get time_screen()
 226            to return 0! ACTION_STD_MENU will return GO_TO_PREVIOUS from here
 227            so check do_menu()'s return val and menu_was_pressed */
 228         case ACTION_STD_MENU:
 229             menu_was_pressed = true;
 230             break;
 231     }
 232     if (redraw)
 233     {
 234         last_redraw = current_tick;
 235         FOR_NB_SCREENS(i)
 236             draw_timedate(&clock[i], &screens[i]);
 237     }
 238     return action;
 239 }
 240
 241
 242 MAKE_MENU(time_menu, ID2P(LANG_TIME_MENU), time_menu_callback, Icon_NOICON,
 243           &time_set, &sleep_timer_call,
 244 #ifdef HAVE_RTC_ALARM
 245           &alarm_screen_call,
 246 #if defined(HAVE_RECORDING) || CONFIG_TUNER
 247           &alarm_wake_up_screen,
 248 #endif
 249 #endif
 250           &timeformat);
 251
 252 int time_screen(void* ignored)
 253 {
 254     (void)ignored;
 255     int i, nb_lines, font_h, ret;
 256     menu_was_pressed = false;
 257
 258     FOR_NB_SCREENS(i)
 259     {
 260         viewport_set_defaults(&clock[i], i);
 261 #ifdef HAVE_BUTTONBAR
 262         if (global_settings.buttonbar)
 263         {
 264             clock[i].height -= BUTTONBAR_HEIGHT;
 265         }
 266 #endif
 267         nb_lines = viewport_get_nb_lines(&clock[i]);
 268
 269         menu[i] = clock[i];
 270         /* force time to be drawn centered */
 271         clock[i].flags |= VP_FLAG_ALIGN_CENTER;
 272
 273         font_h = font_get(clock[i].font)->height;
 274         nb_lines -= 2; /* at least 2 lines for menu */
 275         if (nb_lines > 4)
 276             nb_lines = 4;
 277         if (nb_lines >= 2)
 278             clock[i].height = nb_lines*font_h;
 279         else /* disable the clock drawing */
 280             clock[i].height = 0;
 281         menu[i].y += clock[i].height;
 282         menu[i].height -= clock[i].height;
 283         draw_timedate(&clock[i], &screens[i]);
 284     }
 285
 286     ret = do_menu(&time_menu, NULL, menu, false);
 287     /* see comments above in the button callback */
 288     if (!menu_was_pressed && ret == GO_TO_PREVIOUS)
 289         return 0;
 290     return ret;
 291 }