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events.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 The ScummVM project
 *
 * 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/engines/lure/events.cpp $
 * $Id: events.cpp 22639 2006-05-25 22:51:42Z eriktorbjorn $
 *
 */

#include "graphics/cursorman.h"

#include "lure/events.h"
#include "lure/system.h"
#include "lure/res.h"

namespace Lure {

static Mouse *int_mouse = NULL;

Mouse &Mouse::getReference() { 
      return *int_mouse; 
}

Mouse::Mouse() {
      int_mouse = this;

      _lButton = false; 
      _rButton = false;
      _cursorNum = 0;
      _x = 0;
      _y = 0;
      setCursorNum(0);
}

Mouse::~Mouse() {
}

void Mouse::handleEvent(OSystem::Event event) {
      _x = (int16) event.mouse.x;
      _y = (int16) event.mouse.y;

      switch (event.type) {
      case OSystem::EVENT_LBUTTONDOWN:
            _lButton = true;
            break;
      case OSystem::EVENT_LBUTTONUP:
            _lButton = false;
            break;
      case OSystem::EVENT_RBUTTONDOWN:
            _rButton = true;
            break;
      case OSystem::EVENT_RBUTTONUP:
            _rButton = false;
            break;
      default:
            break;
      }
}


void Mouse::cursorOn() {
      CursorMan.showMouse(true);
}

void Mouse::cursorOff() {
      CursorMan.showMouse(false);
}

void Mouse::setCursorNum(uint8 cursorNum) {
      int hotspotX = 7, hotspotY = 7;
      if ((cursorNum == CURSOR_ARROW) || (cursorNum == CURSOR_MENUBAR)) {
            hotspotX = 0; 
            hotspotY = 0;
      }

      setCursorNum(cursorNum, hotspotX, hotspotY);
}

void Mouse::setCursorNum(uint8 cursorNum, int hotspotX, int hotspotY) {
      Resources &res = Resources::getReference();

      _cursorNum = cursorNum;
      byte *cursorAddr = res.getCursor(cursorNum);
      CursorMan.replaceCursor(cursorAddr, CURSOR_WIDTH, CURSOR_HEIGHT, hotspotX, hotspotY, 0);
}

void Mouse::setPosition(int newX, int newY) {
      System::getReference().warpMouse(newX, newY);
}

void Mouse::waitForRelease() {
      OSystem &system = System::getReference();
      Events &e = Events::getReference();

      do {
            e.pollEvent();
            system.delayMillis(20);
      } while (!e.quitFlag && (lButton() || rButton()));
}

/*--------------------------------------------------------------------------*/

static Events *int_events = NULL;

Events::Events() {
      int_events = this;
      quitFlag = false;
}

Events &Events::getReference() {
      return *int_events;
}


bool Events::pollEvent() {
      if (!System::getReference().pollEvent(_event)) return false;

      // Handle keypress
      switch (_event.type) {
      case OSystem::EVENT_QUIT:
            quitFlag = true;
            break;

      case OSystem::EVENT_LBUTTONDOWN:
      case OSystem::EVENT_LBUTTONUP:
      case OSystem::EVENT_RBUTTONDOWN:
      case OSystem::EVENT_RBUTTONUP:
      case OSystem::EVENT_MOUSEMOVE:
      case OSystem::EVENT_WHEELUP:
      case OSystem::EVENT_WHEELDOWN:
            Mouse::getReference().handleEvent(_event);
            break;

      default:
            break;
      }

      return true;
}

void Events::waitForPress() {
      OSystem &system = System::getReference();
      bool keyButton = false;
      while (!keyButton) {
            if (pollEvent()) {
                  if (_event.type == OSystem::EVENT_QUIT) return;
                  else if (_event.type == OSystem::EVENT_KEYDOWN) keyButton = true;
                  else if ((_event.type == OSystem::EVENT_LBUTTONDOWN) ||
                        (_event.type == OSystem::EVENT_RBUTTONDOWN)) {
                        keyButton = true;
                        Mouse::getReference().waitForRelease();                     
                  }
            }
            system.delayMillis(20);
      }
}

} // end of namespace Lure

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