uiEdit.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.

*/

//
// uiEdit.h
// Dependent: -
//
// UI Editbox
//
#include "stdafx.h"
#include "GUI.h"

uiEdit* uiEdit::pactive = NULL;

uiEdit::uiEdit():uiLabel()
{
}

uiEdit::~uiEdit()
{
}

void uiEdit::create(laPoint3 pos, laPoint3 size)
{
    //Textures
    caret = _pSkin->parameter("TX_CARET").texture();
    texbtn = _pSkin->parameter("TX_EDIT").texture();

    //Create label
    uiLabel::create(pos, size);
    pactive = this;
    align(M_AL, M_AM);
    _bCustomColor = M_TRUE;

    //Setup timers
    //_ttBlink.setElapse(0.5);
    //_ttBlink.setHold(0.5);
    //_ttBlink.setCycling(M_TRUE);
    _ttBlink.parameters(0.5, 0.5, M_TRUE);
    _ttBlink.enable(M_TRUE);
    _ttBlink.reset();

    //_ttType.setElapse(0.1);
    //_ttType.setHold(0.1);
    //_ttType.setCycling(M_FALSE);
    _ttType.parameters(0.1, 0.1, M_FALSE);
    _ttType.enable(M_FALSE);
    _ttType.reset();
}

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

void uiEdit::draw()
{
    laRenderer* pr = ::laSystemIntegrator::getRenderer();

    double dLWidth = (texbtn.w)/4.0;

    //Draw outlne
    //
    pr->vquadsMakeXYRect(0,
        _ptPos, laPoint3(dLWidth, _ptSize.y()),
        laPoint2(), laPoint2(1/4.0, 1));

    pr->vquadsMakeXYRect(1,
        _ptPos + laPoint3(dLWidth, 0),
        _ptSize - laPoint3(2*dLWidth, 0),
        laPoint2(0.25, 0), laPoint2(0.8-0.25, 1));

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

    pr->styleSet( _pSkin->parameter("CL_CONTAINER").color() );
    texbtn.use();
    pr->vquadsDraw(3);

    //Draw label and carret
    //
    pr->transPush();
    pr->transTranslate( laPoint3( dLWidth, 0) );
    _rgbCustom = _pSkin->parameter("CL_EDIT_TXT").color();

    if( (pactive == this) && (_ttBlink.isElapsed()) )
    {
        strcat(_strText, "|");
        uiLabel::draw();
        _strText[strlen(_strText)-1] = '\0';
    }
    else uiLabel::draw();

    pr->transPop();
}

void uiEdit::reply()
{
    laTimer* t = laSystemIntegrator::getEnvironment()->getTimer();
    _ttBlink.animate(*t);
    _ttType.animate(*t);

    //Default to uiLabel::reply() if not active
    if(pactive!=this)
    {
        uiLabel::reply();
        return;
    }

    //Check typing timer
    if( _ttType.isEnabled())
    {
        if(_ttType.isElapsed())
        {
            //Reset and continue
            _ttType.reset();
            _ttType.enable(M_FALSE);
        }
        else
        {
            //Timer not elapsed yet; default to uiLabel::reply()
            uiLabel::reply();
            return;
        }
    }

    //Read pressed key
    char c = in::ascii();

    if(in::key(KEY_BACK)) //handle backspaces
    {
        unsigned l = strlen(_strText);
        if(l>0) _strText[l-1]='\0';
    }
    else if(c!=0)   //handle alpha-numeric keys
    {
        //check if text fits in the edit area
        laFont *f = _pSkin->parameter("FN_DEFAULT").font();
        if( f->lenght(_strText) >= getSize().x()-2*16)
        {
            uiLabel::reply();
            return;
        }

        //append character
        unsigned l = strlen(_strText);
        _strText[l] = c;
        _strText[l+1] = 0;
    }

    //Enable timing (wait some time before next key is processed)
    _ttType.enable(M_TRUE);

    //Default action
    uiLabel::reply();
}

void uiEdit::onClick(unsigned nButton)
{
    pactive = this;
}