uiContainer.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.

*/

//
// uiContainer.cpp
// Dependent: -
//
// UI Moveable windows, capable of containing controls
//
#include "stdafx.h"
#include "GUI.h"

uiContainer* uiContainer::_pDrag = NULL;

// Internal construction method,
// called by create() and load()
void uiContainer::init()
{
    //Textures
    tbg       = _pSkin->parameter("TX_WNDBG").texture();
    tborder_h = _pSkin->parameter("TX_WNDBR_H").texture();
    tborder_v = _pSkin->parameter("TX_WNDBR_V").texture();
    tangle    = _pSkin->parameter("TX_WNDAN").texture();

    col = _pSkin->parameter("CL_CONTAINER").color();
    ptShadowOffset[0] = _pSkin->parameter("SHADOW_OFFSETX").dval();
    ptShadowOffset[1] = _pSkin->parameter("SHADOW_OFFSETX").dval();

    // TODO: ASSERT the window is created only once,
    // the way it is now caption is added several times for some windows
    //
    //Caption
    //if(_vControls.size() == 0 )
    {
    caption.create( laPoint3( -((double)tangle.w), -((double)tangle.h) ), laPoint3(getSize().x(), tangle.h) );
    caption.show();
    caption.size( _pSkin->parameter("SZ_CAPTION").dval() );
    caption.font( _pSkin->parameter("FN_CAPTION").font() );
    insert(&caption);

    /*caption_hr.create( laPoint3( -((double)tangle.w)+10, 0) , laPoint3(getSize().x()-20, 1) );
    caption_hr.show();
    insert(&caption_hr);*/
    }

    //Deafault flags
    toggleBorders(M_TRUE);
    toggleMoveable(M_TRUE);
}

uiContainer::uiContainer(void)
{
    //m_nCnt = 0;
    _bDisplayBorders = M_TRUE;
    _nDragButton = 0;
}

uiContainer::uiContainer(char* strFile)
{
    //m_nCnt = 0;
    _bDisplayBorders = M_TRUE;
    _nDragButton = 0;

    load(strFile);
}

uiContainer::~uiContainer(void)
{
}

void uiContainer::create(laPoint3 pos, laPoint3 size)
{
    //Create window
    uiWindow::create(pos, size);

    //Initialize
    init();
    caption.setText("Untitled Container");
}

//Load from .cui file
void uiContainer::load(class laFileParser *fp)
{
    char strFile[128];
    fp->readText(strFile, M_FALSE);
    uiContainer::load(strFile);
}

void uiContainer::load(char* strFile)
{
    laFileParser fp(strFile);
    char str[128] = "";

    //Read caption
    fp.readText(str);

    //Load window
    uiWindow::load(&fp);

    //Initialize
    init();
    caption.setText(str);
    loadAlignment(&fp, this);

    //Load controlls
    while(1)
    {
        uiWindow* pc;
        fp.readSectionSeparator(str);

        if(!strcmp(str, "label"))           pc = new uiLabel();
        else if(!strcmp(str, "button"))     pc = new uiButton();
        else if(!strcmp(str, "checkbox"))   { pc = new uiButton(); ((uiButton*)pc)->togglePersistent(M_TRUE); }
        else if(!strcmp(str, "edit"))       pc = new uiEdit();
        else if(!strcmp(str, "radio"))      pc = new uiRadio();
        else if(!strcmp(str, "progress"))   pc = new uiProgress();
        else if(!strcmp(str, "slider"))     pc = new uiSlider();
        else if(!strcmp(str, "dialog"))     pc = new uiContainer();
        else if(!strcmp(str, "hr"))         pc = new uiHR();
        else if(!strcmp(str, "END"))    return;
        else throw laError("uiContainer::load: Unknow control type '%s'", str);

        pc->load(&fp);
        pc->setID(_vControls.size());
        pc->show();
        insert(pc);

        loadAlignment(&fp, pc);
    }
}

void uiContainer::loadAlignment(laFileParser *fp, uiWindow* pw)
{
    char str[64];
    fp->readText(str, M_FALSE);
    unsigned h, v;

    if( strstr(str, "left") ) h = M_AL;
    else if( strstr(str, "right") ) h = M_AR;
    else if( strstr(str, "center") ) h = M_AC;

    if( strstr(str, "top") ) v = M_AT;
    else if( strstr(str, "bottom") ) v = M_AB;
    else if( strstr(str, "middle") ) v = M_AM;

    pw->move(pw->getPos(), h, v);
}


void uiContainer::kill()
{
    uiWindow::kill();
}

unsigned uiContainer::insert(uiWindow* pWnd)
{
    _vControls.push_back(pWnd);
    pWnd->_pParent = this;

    return _vControls.size()-1;
}

uiWindow* uiContainer::get(unsigned id)
{
    ASSERT(id < _vControls.size(), "Invalid control %d (max %d)", id, _vControls.size()-1);
    return _vControls[id];
}

uiWindow*  uiContainer::remove(unsigned id)
{
    ASSERT(M_FALSE, "Not implemented");
    //uiWindow*p = get(id);
    //m_arControls[id] = NULL;
    return NULL; //p;
}

void uiContainer::reply()
{
    if(!isEnabled())return;

    caption.move( laPoint3( 0/*-((double)tangle.w)*/, -((double)tangle.h ) ), M_AC, M_AT);

    //Pass control to children
    for(unsigned id=0; id<_vControls.size(); id++)
    {
        if( (_vControls[id]->isVisible()) && (_vControls[id]->isEnabled()))
                _vControls[id]->reply();
    }

    //Drag window
    if(_pDrag==this)
    {
        laPoint3 pos = getPos();
        laPoint3 change = getRelativePointerPos() - _ptDragOffset;

        _ptPos = pos + change;
    }

    //Reply myslef
    uiWindow::reply();
}

void uiContainer::drawBorders()
{
    //Get renderer
    laRenderer* r = ::laSystemIntegrator::getRenderer();

    //Metrics
    double nBW = tangle.w;  //Border width
    double nBH = tangle.h;  //Border height
    laPoint3 sz(tangle.w, tangle.h);

    // draw edges
    //
    r->vquadsMakeXYRect( 0, _ptPos, sz,
        laPoint2(0,0.97), laPoint2(0.97, -0.97));

    r->vquadsMakeXYRect( 1, _ptPos + laPoint3(0, _ptSize.y()-nBH), sz,
        laPoint2(), laPoint2(0.97, 0.97));

    r->vquadsMakeXYRect( 2, _ptPos + laPoint3(_ptSize.x()-nBW, 0), sz,
        laPoint2(0.97, 0.97), laPoint2(-0.97, -0.97));

    r->vquadsMakeXYRect( 3, _ptPos + _ptSize - sz, sz,
        laPoint2(0.97, 0), laPoint2(-0.97, 0.97));

    tangle.use();
    r->vquadsDraw(4);


    // draw borders
    //
    r->vquadsMakeXYRect(0, _ptPos + laPoint3(nBW, 0),
        laPoint3(_ptSize.x()-2*nBW, nBH),
        laPoint2(0,0.97), laPoint2(0.97, -0.97));

    r->vquadsMakeXYRect(1, _ptPos + laPoint3(nBW, _ptSize.y()-nBH),
        laPoint3(_ptSize.x()-2*nBW, nBH),
        laPoint2(0,0), laPoint2(0.97, 0.97));

    tborder_h.use();
    r->vquadsDraw(2);

    r->vquadsMakeXYRect(0, _ptPos + laPoint3(0, nBH),
        laPoint3(nBW, _ptSize.y()-2*nBH),
        laPoint2(0,0), laPoint2(0.97, 0.97));

    r->vquadsMakeXYRect(1, _ptPos + laPoint3(_ptSize.x()-nBW, nBH),
        laPoint3(nBW, _ptSize.y()-2*nBH),
        laPoint2(0.97,0), laPoint2(-0.97, 0.97));

    tborder_v.use();
    r->vquadsDraw(2);

    // draw background
    //
    r->vquadsMakeXYRect(0, _ptPos + sz, _ptSize - 2 * sz,
        laPoint2(), _ptSize/256.0);

    tbg.use();
    r->vquadsDrawSingle();
}

void uiContainer::draw()
{
    //Get renderer
    laRenderer* r = ::laSystemIntegrator::getRenderer();

    // Draw borders
    if(_bDisplayBorders)
    {
        //drop shadow
        r->styleSet( _pSkin->parameter("CL_SHADOW").color() );
        r->transPush();
            r->transTranslate( ptShadowOffset );
            drawBorders();
        r->transPop();

        //borders
        r->styleSet( col );
        drawBorders();
    }

    // Relative translation
    r->transPush();
    r->transTranslate( _ptPos + getDecorationSize() );

    // Draw children in relative coords
    for(unsigned id=0; id<_vControls.size(); id++)
    {
        //if( _vControls[id] )
            if( _vControls[id]->isVisible() )
                _vControls[id]->draw();
    }

    // Remove translation
    r->transPop();
}

// Handle the movse movement event; Drag the window container
// if dragging is enabled
void uiContainer::onMouseMove(laPoint3 ptRelativePos)
{
    laInputManager* pci =  laSystemIntegrator::getInput();

    if( _bMoveable && (pci->mouseButton(_nDragButton)) && (!_pDrag) )
    {
        _pDrag = this;
        _ptDragOffset = ptRelativePos;

    }
    uiWindow::onMouseMove(ptRelativePos);
}

void uiContainer::onUp(unsigned nButton)
{
    if( (_pDrag == this) && (nButton==_nDragButton) ) _pDrag = NULL;
    uiWindow::onUp(nButton);
}