GPC_MouseDevice.cpp

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/*
 * $Id: GPC_MouseDevice.cpp 35170 2011-02-25 13:35:11Z jesterking $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include "GPC_MouseDevice.h"

GPC_MouseDevice::GPC_MouseDevice()
{

}
GPC_MouseDevice::~GPC_MouseDevice()
{

}

bool GPC_MouseDevice::IsPressed(SCA_IInputDevice::KX_EnumInputs inputcode)
{
        const SCA_InputEvent & inevent =  m_eventStatusTables[m_currentTable][inputcode];
        bool pressed = (inevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED || 
                inevent.m_status == SCA_InputEvent::KX_ACTIVE);
        return pressed;
}


void GPC_MouseDevice::NextFrame()
{
        SCA_IInputDevice::NextFrame();
        
        // Convert just pressed events into regular (active) events
        int previousTable = 1-m_currentTable;
        for (int mouseevent= KX_BEGINMOUSE; mouseevent< KX_ENDMOUSEBUTTONS; mouseevent++) {
                SCA_InputEvent& oldevent = m_eventStatusTables[previousTable][mouseevent];
                if (oldevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED ||
                        oldevent.m_status == SCA_InputEvent::KX_ACTIVE) {
                        m_eventStatusTables[m_currentTable][mouseevent] = oldevent;
                        m_eventStatusTables[m_currentTable][mouseevent].m_status = SCA_InputEvent::KX_ACTIVE;
                }
        }
        for (int mousemove= KX_ENDMOUSEBUTTONS; mousemove< KX_ENDMOUSE; mousemove++) {
                SCA_InputEvent& oldevent = m_eventStatusTables[previousTable][mousemove];
                m_eventStatusTables[m_currentTable][mousemove] = oldevent;
                if (oldevent.m_status == SCA_InputEvent::KX_JUSTACTIVATED ||
                        oldevent.m_status == SCA_InputEvent::KX_ACTIVE) {       
                        m_eventStatusTables[m_currentTable][mousemove].m_status = SCA_InputEvent::KX_JUSTRELEASED;
                }
                else {
                        if (oldevent.m_status == SCA_InputEvent::KX_JUSTRELEASED) {
                                m_eventStatusTables[m_currentTable][mousemove].m_status = SCA_InputEvent::KX_NO_INPUTSTATUS ;
                        }
                }
        }
}


bool GPC_MouseDevice::ConvertButtonEvent(TButtonId button, bool isDown)
{
        bool result = false;

        switch (button)
        {
        case buttonLeft:
                result = ConvertEvent(KX_LEFTMOUSE, isDown);
                break;
        case buttonMiddle:
                result = ConvertEvent(KX_MIDDLEMOUSE, isDown);
                break;
        case buttonRight:
                result = ConvertEvent(KX_RIGHTMOUSE, isDown);
                break;
        case buttonWheelUp:
                result = ConvertEvent(KX_WHEELUPMOUSE, isDown);
                break;
        case buttonWheelDown:
                result = ConvertEvent(KX_WHEELDOWNMOUSE, isDown);
                break;
        default:
                // Should not happen!
                break;
        }

        return result;
}

bool GPC_MouseDevice::ConvertButtonEvent(TButtonId button, bool isDown, int x, int y)
{
        // First update state tables for cursor move.
        bool result = ConvertMoveEvent(x, y);

        // Now update for button state.
        if (result) {
                result = ConvertButtonEvent(button, isDown);
        }

        return result;
}

bool GPC_MouseDevice::ConvertMoveEvent(int x, int y)
{
        bool result;

        // Convert to local coordinates?
        result = ConvertEvent(KX_MOUSEX, x);
        if (result) {
                result = ConvertEvent(KX_MOUSEY, y);
        }

        return result;
}


bool GPC_MouseDevice::ConvertEvent(KX_EnumInputs kxevent, int eventval)
{
        bool result = true;
        
        // Only process it, if it's a mouse event
        if (kxevent > KX_BEGINMOUSE && kxevent < KX_ENDMOUSE) {
                int previousTable = 1-m_currentTable;

                if (eventval > 0) {
                        m_eventStatusTables[m_currentTable][kxevent].m_eventval = eventval;

                        switch (m_eventStatusTables[previousTable][kxevent].m_status)
                        {
                        case SCA_InputEvent::KX_ACTIVE:
                        case SCA_InputEvent::KX_JUSTACTIVATED:
                                {
                                        m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_ACTIVE;
                                        break;
                                }
                        case SCA_InputEvent::KX_JUSTRELEASED:
                                {
                                        if ( kxevent > KX_BEGINMOUSEBUTTONS && kxevent < KX_ENDMOUSEBUTTONS)
                                        {
                                                m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTACTIVATED;
                                        } else
                                        {
                                                m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_ACTIVE;
                                                
                                        }
                                        break;
                                }
                        default:
                                {
                                        m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTACTIVATED;
                                }
                        }
                        
                } 
                else {
                        switch (m_eventStatusTables[previousTable][kxevent].m_status)
                        {
                        case SCA_InputEvent::KX_JUSTACTIVATED:
                        case SCA_InputEvent::KX_ACTIVE:
                                {
                                        m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_JUSTRELEASED;
                                        break;
                                }
                        default:
                                {
                                        m_eventStatusTables[m_currentTable][kxevent].m_status = SCA_InputEvent::KX_NO_INPUTSTATUS;
                                }
                        }
                }
        }
        else {
                result = false;
        }
        return result;
}