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be_base.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2006 The ScummVM project
 * Copyright (C) 2002-2006 Chris Apers - PalmOS Backend
 *
 * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/backends/platform/PalmOS/Src/be_base.cpp $
 * $Id: be_base.cpp 24417 2006-10-21 18:36:35Z chrilith $
 *
 */

#include "be_base.h"
#include "common/config-file.h"
#include "common/config-manager.h"

OSystem_PalmBase::OSystem_PalmBase() {
      _overlayVisible = false;

      _current_shake_pos = 0;
      _new_shake_pos = 0;

      _paletteDirtyStart = 0;
      _paletteDirtyEnd = 0;

      _gfxLoaded = false;
      _modeChanged = false;
      _setMode = GFX_NORMAL;
      _mode = _setMode;
      _redawOSD = false;
      _setPalette = true;
      
      _offScreenH = NULL;
      _screenH = NULL;
      _offScreenP = NULL;
      _screenP = NULL;
      _screenPitch = gVars->screenPitch;
      
      _lastEvent = nilEvent;
      _lastKey = kKeyNone;
      _lastKeyModifier = kModifierNone;
      _lastKeyRepeat = 100;
      _useNumPad = false;
      _showBatLow = false;
      _batCheckTicks = SysTicksPerSecond() * 15;
      _batCheckLast = TimGetTicks();
      
      _mouseDataP = NULL;
      _mouseVisible = false;
      _mouseDrawn = false;
      MemSet(&_keyMouse, sizeof(_keyMouse), 0);
      MemSet(&_mouseCurState, sizeof(_mouseCurState), 0);
      MemSet(&_mouseOldState, sizeof(_mouseOldState), 0);
      MemSet(&_timer, sizeof(TimerType), 0);
      MemSet(&_sound, sizeof(SoundType), 0);
      
      _keyMouseRepeat = 0;
      _keyMouseDelay = (gVars->arrowKeys) ? computeMsecs(125) : computeMsecs(25);
}

void OSystem_PalmBase::initBackend() {
      if (gVars->autoSave != -1)
            ConfMan.setInt("autosave_period", gVars->autoSave);

      _keyMouse.bitUp         = keyBitPageUp;
      _keyMouse.bitDown = keyBitPageDown;
      _keyMouse.bitLeft = keyBitHard1;
      _keyMouse.bitRight      = keyBitHard2;
      _keyMouse.bitButLeft= keyBitHard3;
      _keyMouse.hasMore = false;

      int_initBackend();
      _keyMouseMask = (_keyMouse.bitUp | _keyMouse.bitDown | _keyMouse.bitLeft | _keyMouse.bitRight | _keyMouse.bitButLeft);
}

uint32 OSystem_PalmBase::getMillis() {
      return TimGetTicks() * 1000 / SysTicksPerSecond();
}

void OSystem_PalmBase::delayMillis(uint msecs) {
      Int32 delay = computeMsecs(msecs);

      if (delay > 0)
            SysTaskDelay(delay);
}

void OSystem_PalmBase::setTimerCallback(TimerProc callback, int timer) {
      if (callback != NULL) {
            _timer.duration = timer;
            _timer.nextExpiry = getMillis() + timer;
            _timer.callback = callback;
            _timer.active = true;         
      } else {
            _timer.active = false;
      }
}

void OSystem_PalmBase::quit() {
      int_quit();
      clearSoundCallback();
      unload_gfx_mode();
      exit(0);
}

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