uiWindow.cpp

/*

Jump'n'Run Engine
http://www.atanaslaskov.com/jnr/

BSD LICENSE
Copyright (c) 2007-2013, Atanas Laskov
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL ATANAS LASKOV BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#include "stdafx.h"
#include "GUI.h"

uiPointer* uiWindow::_pPointer = NULL;

uiWindow::uiWindow(void)
{
    _pParent = NULL;
    _bVisible = true;
    _bEnabled = true;

    m_bMouseInside = false;
    rememver_ldn = false;
    rememver_rdn = false;
    l = r = 0;
}

uiWindow::~uiWindow(void)
{
}

void uiWindow::move(laPoint3 ptNewPos, unsigned nHReference, unsigned nVReference)
{
    // Get container size
    //
    laPoint3 ptParentSz;
    if(!_pParent)
    {
        laSettings *s = laSystemIntegrator::getSettings();
        ptParentSz.x( s->graphics_resolution_w );
        ptParentSz.y( s->graphics_resolution_h );
    }
    else
    {
        ptParentSz.x( _pParent->getSize().x() - 2*_pParent->getDecorationSize().x() );
        ptParentSz.y( _pParent->getSize().y() - 2*_pParent->getDecorationSize().y() );
    }

    // Horizontal alignment
    //
    switch(nHReference)
    {
    case M_AL:
        _ptPos.x( ptNewPos.x() );
        break;
    case M_AR:
        _ptPos.x( (ptParentSz.x() - getSize().x()) - ptNewPos.x() );
        break;
    case M_AC:
        _ptPos.x( (ptParentSz.x() - getSize().x())/2.0 - ptNewPos.x() );
        break;
    }

    // Vertical alignment
    //
    switch(nVReference)
    {
    case M_AT:
        _ptPos.y( ptNewPos.y() );
        break;
    case M_AB:
        _ptPos.y( (ptParentSz.y() - getSize().y()) - ptNewPos.y() );
        break;
    case M_AM:
        _ptPos.y( (ptParentSz.y() - getSize().y())/2.0 - ptNewPos.y() );
        break;
    }
}

void uiWindow::create(laPoint3 pos, laPoint3 size)
{
    ASSERT(_pPointer, "Nil pointer");
    ASSERT(_pSkin, "Nil skin");

    _ptPos  = pos;
    _ptSize = size;
    _uID = rand();

    _ptPointerOldPos = _pPointer->_ptPos;
}

// Load from .cui file
//
void uiWindow::load(class laFileParser *fp)
{
    laPoint3 pos, sz;

    fp->readObj(&pos, M_FALSE);
    fp->readObj(&sz, M_FALSE);

    //Call the virtual method
    //i.e. the overridden version of it
    this->create(pos, sz);
}

void uiWindow::kill()
{
    _uID = 0;
}

void uiWindow::reply()
{
    ASSERT(_pPointer, "Nil pointer");

    // Get absolute window position
    laPoint3 pos = this->getAbsolutePos();

    // Mouse tracking flag
    bool bInside = false;

    // Check if mouse pointer is inside the window area
    if( (pos.x() <= _pPointer->_ptPos.x()) && (pos.y() <= _pPointer->_ptPos.y()) &&
        (pos.x()+_ptSize.x() >= _pPointer->_ptPos.x()) && (pos.y()+_ptSize.y() >= _pPointer->_ptPos.y()) )
    {
        bInside = true;
    }

    // Compare with previous cursor pos and trigger a message
    if( (bInside==true) && (m_bMouseInside==false) ) this->onMouseIn();     //mouse in
    if( (bInside==false) && (m_bMouseInside==true) ) this->onMouseOut();    //mouse out

    // Mouse move message
    if( (bInside==true) && (m_bMouseInside==true) )
    {
        _ptPointerOffest += ( _pPointer->_ptPos - _ptPointerOldPos );

        if( (_ptPointerOffest.lenght() >= CUI__WINDOW_DRAGSTEP) )
        {
            this->onMouseMove( getRelativePointerPos() );
            _ptPointerOffest = laPoint3();
        }
    }
    else
    {
        //clear offset
        _ptPointerOffest = laPoint3();
    }

    _ptPointerOldPos = _pPointer->_ptPos;

    // Update mouse in/out status
    m_bMouseInside = bInside;

    // Handle clicks
    if(m_bMouseInside)
    {
        if((in::mouse_b0())&&(!r)) this->onDown(0);
        if((in::mouse_b1())&&(!l)) this->onDown(1);

        if((!in::mouse_b0())&&(r)) this->onUp(0);
        if((!in::mouse_b1())&&(l)) this->onUp(1);

        l = in::mouse_b1();
        r = in::mouse_b0();
    }
}

//Get absolute pos
laPoint3 uiWindow::getAbsolutePos()
{
    if( !_pParent ) return getPos();
    else
    {
        laPoint3 posParent = _pParent->getAbsolutePos() + _pParent->getDecorationSize();
        return ( posParent + getPos() );
    }
}

void uiWindow::draw()
{
    /*if(m_bMouseInside)
    {
        gr_old::p2d_outline(_ptPos.x(), _ptPos.y(), _ptSize.x(), _ptSize.y(), 1,0,0);
    }
    else
    {
        gr_old::p2d_outline(_ptPos.x(), _ptPos.y(), _ptSize.x(), _ptSize.y(), 0,1,0);
    }*/
}

void uiWindow::onMouseIn()
{
    //do nothing
}

void uiWindow::onMouseOut()
{
    //do nothing
}

void uiWindow::onMouseMove(laPoint3 ptRelativePos)
{
    //do nothing
}

void uiWindow::onClick(unsigned nButton)
{
    //do nothing
}

/*void uiWindow::OnRClick()
{
    //do nothing
}*/

void uiWindow::onDown(unsigned nButton)
{
    //rememver_ldn = true;
}

void uiWindow::onUp(unsigned nButton)
{
    //if(rememver_ldn)
    //{
        this->onClick(nButton);
        //rememver_ldn = false;
    //}
}

/*void uiWindow::OnRDown()
{
    rememver_rdn = true;
}

void uiWindow::OnRUp()
{
    //if(rememver_rdn)
    //{
        this->OnRClick();
        //rememver_rdn = false;
    //}
}*/

void uiWindow::onCommand(unsigned long uID, unsigned long nCmd)
{
    //do nothing
}