uiButton.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.

*/

//
// uiButton.cpp
// Dependent: -
//
// UI Push button
//
#include "stdafx.h"
#include "GUI.h"

uiButton::uiButton(void)
{
    pReceiver = NULL;
    m_bImageButton = false;

    //Toggle flags
    togglePersistent(M_FALSE);
    toggleRepetitive(M_FALSE);

    m_bImageButton = false;
}

uiButton::~uiButton(void)
{
}

void uiButton::create(laPoint3 pos, laPoint3 size)
{
    //get textures
    texbtn_n = _pSkin->parameter("TX_BUTTON").texture();
    texbtn_p = _pSkin->parameter("TX_BUTTONP").texture();
    texbtn = texbtn_n;

    //Create label flags
    uiLabel::create(pos, size);
}

void uiButton::kill() {
    uiLabel::kill();
}

//Draw button outline
//
void uiButton::_drawButton()
{
    laRenderer* r = ::laSystemIntegrator::getRenderer();
    double dEdgeWidth = (texbtn.w)*0.25;

    r->vquadsMakeXYRect(0,
        _ptPos, laPoint3(dEdgeWidth, _ptSize.y()),
        laPoint2(), laPoint2(0.25, 1));

    r->vquadsMakeXYRect(1,
        _ptPos + laPoint3(dEdgeWidth, 0), _ptSize - laPoint3(2*dEdgeWidth, 0),
        laPoint2(0.25, 0), laPoint2(0.26, 1));

    r->vquadsMakeXYRect(2,
        _ptPos + laPoint3(_ptSize.x()-dEdgeWidth, 0), laPoint3(dEdgeWidth, _ptSize.y()),
        laPoint2(0.25, 0), laPoint2(-0.25, 1));

    texbtn.use();
    r->vquadsDraw(3);
}

void uiButton::draw()
{
    laRenderer* r = ::laSystemIntegrator::getRenderer();

    //Cast shadow
    r->transPush();
    r->transTranslate( laPoint3(3,3) );
    r->styleSet( _pSkin->parameter("CL_SHADOW").color() );
    _drawButton();
    r->transPop();

    //Draw button
    laColor col =  _pSkin->parameter("CL_BUTTON").color();
    if(!isEnabled()) { col[0]*= 0.8; col[1]*= 0.8; col[2]*= 0.8; }
    r->styleSet( col );

    if(texbtn.id() == texbtn_p.id())
    {
        //pressed
        r->transPush();
        r->transTranslate( laPoint3(1,1) );
        _drawButton();
        uiLabel::draw();
        r->transPop();
    }
    else
    {
        //unpressed
        _drawButton();
        uiLabel::draw();
    }

    //Draw image, if any
    if(m_bImageButton)
    {
        r->vquadsMakeXYRect(0,
            _ptPos + laPoint3(16, 7 ), _ptSize + laPoint3( -2*16, -2*7 ),
            laPoint2(0,0), laPoint2(1, 1));

        r->styleSet(laColor(255));
        m_uImg.use();
        r->vquadsDrawSingle();
    }
}


void uiButton::reply()
{
    //Continuously send messages to the receiver
    if( _bRepetitiveInformer && (texbtn.id() == texbtn_p.id()))
    {
        if(pReceiver!=NULL) pReceiver->onCommand(getID(), 0);
        else _pParent->onCommand(getID(), 0);
    }

    uiLabel::reply();

}

void uiButton::onDown(unsigned nButton)
{
    //If pressed
    if(texbtn.id() == texbtn_p.id())
    {
        //revert to unpressed state
        texbtn = texbtn_n;
    }
    else
    {
        //press
        texbtn = texbtn_p;

        //Notify the receiver
        if(_bPersistent)
        {
            if(pReceiver!=NULL) pReceiver->onCommand(getID(), 0);
            else _pParent->onCommand(getID(), 0);
        }
    }
}

void uiButton::onUp(unsigned nButton)
{
    //if not persistent
    if(!_bPersistent)
    {
        //revert to unpressed state
        texbtn = texbtn_n;

        //Notify the receiver
        if(pReceiver!=NULL) pReceiver->onCommand(getID(), 0);
        else _pParent->onCommand(getID(), 0);
    }
}

void uiButton::onMouseOut()
{
    //If not persistent
    if(!_bPersistent)
    {
        //revert to unpressed state
        texbtn = texbtn_n;
    }
}