Logo Search packages:      
Sourcecode: ncmpcpp version File versions

clock.cpp

/***************************************************************************
 *   Copyright (C) 2008-2009 by Andrzej Rybczak                            *
 *   electricityispower@gmail.com                                          *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
 ***************************************************************************/

/// NOTICE: Major part of this code is ported from ncmpc's clock screen

#include "clock.h"

#ifdef ENABLE_CLOCK

#include <cstring>

#include "global.h"
#include "playlist.h"
#include "settings.h"
#include "status.h"

using namespace Global;

Clock *myClock = new Clock;

short Clock::disp[11] =
{
      075557, 011111, 071747, 071717,
      055711, 074717, 074757, 071111,
      075757, 075717, 002020
};

long Clock::older[6], Clock::next[6], Clock::newer[6], Clock::mask;

size_t Clock::Width;
const size_t Clock::Height = 8;

void Clock::Init()
{
      Width = Config.clock_display_seconds ? 60 : 40;
      
      w = new Window((COLS-Width)/2, (LINES-Height)/2, Width, Height-1, "", Config.main_color, Border(Config.main_color));
      w->SetTimeout(ncmpcpp_window_timeout);
}

void Clock::Resize()
{
      if (Width <= size_t(COLS) && Height <= MainHeight)
      {
            w->MoveTo((COLS-Width)/2, (LINES-Height)/2);
            if (myScreen == this)
            {
                  if (myPlaylist->hasToBeResized)
                        myPlaylist->Resize();
                  myPlaylist->Main()->Hide();
                  w->Display();
            }
      }
}

void Clock::SwitchTo()
{
      if (Width > size_t(COLS) || Height > MainHeight)
      {
            ShowMessage("Screen is too small to display clock!");
            return;
      }
      if (myScreen == this)
            return;
      
      if (hasToBeResized)
            Resize();
      
      myScreen = this;
      myPlaylist->Main()->Hide();
      RedrawHeader = 1;
      Prepare();
      // clearing screen apparently fixes the problem with last digits being misrendered
      w->Clear();
      w->Display();
}

std::string Clock::Title()
{
      return "Clock";
}

void Clock::Update()
{
      if (Width > size_t(COLS) || Height > MainHeight)
            myPlaylist->SwitchTo();
      
      time_t rawtime;
      time(&rawtime);
      tm *time = localtime(&rawtime);
      
      mask = 0;
      Set(time->tm_sec % 10, 0);
      Set(time->tm_sec / 10, 4);
      Set(time->tm_min % 10, 10);
      Set(time->tm_min / 10, 14);
      Set(time->tm_hour % 10, 20);
      Set(time->tm_hour / 10, 24);
      Set(10, 7);
      Set(10, 17);
      
      char buf[64];
      strftime(buf, 64, "%x", time);
      attron(COLOR_PAIR(Config.main_color));
      mvprintw(w->GetStartY()+w->GetHeight(), w->GetStartX()+(w->GetWidth()-strlen(buf))/2, "%s", buf);
      attroff(COLOR_PAIR(Config.main_color));
      refresh();
      
      for (int k = 0; k < 6; k++)
      {
            newer[k] = (newer[k] & ~mask) | (next[k] & mask);
            next[k] = 0;
            for (int s = 1; s >= 0; s--)
            {
                  w->Reverse(s);
                  for (int i = 0; i < 6; i++)
                  {
                        long a = (newer[i] ^ older[i]) & (s ? newer : older)[i];
                        if (a != 0)
                        {
                              long t = 1 << 26;
                              for (int j = 0; t; t >>= 1, j++)
                              {
                                    if (a & t)
                                    {
                                          if (!(a & (t << 1)))
                                          {
                                                w->GotoXY(2*j+2, i);
                                          }
                                          if (Config.clock_display_seconds || j < 18)
                                                *w << "  ";
                                    }
                              }
                        }
                        if (!s)
                        {
                              older[i] = newer[i];
                        }
                  }
            }
      }
}

void Clock::Prepare()
{
      for (int i = 0; i < 5; i++)
            older[i] = newer[i] = next[i] = 0;
}

void Clock::Set(int t, int n)
{
      int m = 7 << n;
      for (int i = 0; i < 5; i++)
      {
            next[i] |= ((disp[t] >> ((4 - i) * 3)) & 07) << n;
            mask |= (next[i] ^ older[i]) & m;
      }
      if (mask & m)
            mask |= m;
}

#endif // ENABLE_CLOCK


Generated by  Doxygen 1.6.0   Back to index