CATAppButton.cpp

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//---------------------------------------------------------------------------
/// \file CATAppButton.cpp
/// \brief Specialized pushbutton for launching apps
/// \ingroup CATGUI
/// 
/// Copyright (c) 2003-2008 by Michael Ellison.
/// See COPYING.txt for the \ref gaslicense License (MIT License).
///
// $Author: mikeellison $
// $Date: 2008-01-30 06:11:10 -0600 (Wed, 30 Jan 2008) $
// $Revision:   $
// $NoKeywords: $
//---------------------------------------------------------------------------
#include "CATAppButton.h"
#include "CATWindow.h"
#include "CATOSFuncs.h"
//---------------------------------------------------------------------------
/// CATAppButton constructor (inherited from CATControl->CATXMLObject)
/// \param element - Type name ("Button")
/// \param rootDir - root directory of skin
//---------------------------------------------------------------------------
CATAppButton::CATAppButton(  const CATString&             element, 
                             const CATString&             rootDir)
: CATButton(element, rootDir)
{
    fIconImage = 0;    
    fBorder = 0;
}



//---------------------------------------------------------------------------
/// CATAppButton destructor
//---------------------------------------------------------------------------
CATAppButton::~CATAppButton()
{
    if (fIconImage)
    {
#ifdef _WIN32
        DeleteObject(fIconImage);  
#endif
    }
}


/// ParseAttributes() parses the known attributes for an object.
CATResult CATAppButton::ParseAttributes()
{
    CATResult result = CATButton::ParseAttributes();
    fAppPath = GetAttribute(L"AppPath");
    
    bool found = false;
    if (!fAppPath.IsEmpty())
    {
        CATResult tmpResult = OSLoadIconImage(fAppPath,&fIconImage,fAppName);
        
        this->fHintText = GetAttribute(L"HintText");

        if (CATSUCCEEDED(tmpResult))
        {
            fHintText << fAppName;
            found = true;
        }
    }

    fBorder = GetAttribute(L"Border",fBorder);

    CATString uninstId = GetAttribute(L"UninstallId");
    CATString appFile  = GetAttribute(L"AppFile");

    if ( (!appFile.IsEmpty()) && (!uninstId.IsEmpty()))
    {
        fAppPath = GetInstallLoc(uninstId);        
        if (fAppPath.GetWChar(fAppPath.Length()-1) != '\\')
            fAppPath << L"\\";

        fAppPath << appFile;
        
        CATResult tmpResult = OSLoadIconImage(fAppPath,&fIconImage,fAppName);
        
        this->fHintText = GetAttribute(L"HintText");

        if (CATSUCCEEDED(tmpResult))
        {
            this->AddAttribute(L"AppPath",fAppPath);
            fHintText << fAppName;
            found = true;
        }
    }

    if (!found)
    {
        CATString regPath = GetAttribute(L"RegPath");

        if (!appFile.IsEmpty() && (!regPath.IsEmpty()))
        {
            fAppPath = GetSoftwareReg(regPath);
            if (fAppPath.GetWChar(fAppPath.Length()-1) != '\\')
                fAppPath << L"\\";

            fAppPath << appFile;
            
            CATResult tmpResult = OSLoadIconImage(fAppPath,&fIconImage,fAppName);
            
            this->fHintText = GetAttribute(L"HintText");

            if (CATSUCCEEDED(tmpResult))
            {
                this->AddAttribute(L"AppPath",fAppPath);
                fHintText << fAppName;
                found = true;
            }
        }
    }

    if (!found)
        this->SetEnabled(false);

    return CAT_SUCCESS;
}

/// Draw() draws the control into the parent's image
/// \param image - parent image to draw into
/// \param dirtyRect - portion of control (in window coordinates)
///        that requires redrawing.
void CATAppButton::Draw(CATImage* image, const CATRect& dirtyRect)
{
    CATButton::Draw(image,dirtyRect);
}

void CATAppButton::PostDraw(CATDRAWCONTEXT drawContext, const CATRect& dirtyRect)
{
    if ((this->IsVisible() == false) || (!fIconImage))
    {
        return;
    }

    CATRect drawRect = fRect;

    this->GetWindow()->WidgetToWindow(this,drawRect);    

    drawRect.left   += fBorder;
    drawRect.right  -= fBorder;
    drawRect.bottom -= fBorder;
    drawRect.top    += fBorder;

    if (fPressed)
    {
        drawRect.left += fTextOffsetPressed.x;
        drawRect.top  += fTextOffsetPressed.y;
    }
    else
    {
        drawRect.right  -= fTextOffsetPressed.x;
        drawRect.bottom -= fTextOffsetPressed.y;
    }

    ::DrawIconEx(drawContext,
                 drawRect.left,
                 drawRect.top,
                 fIconImage,
                 drawRect.Width(), 
                 drawRect.Height(),
                 0,
                 NULL,
                 DI_NORMAL);

    CATButton::PostDraw(drawContext,dirtyRect);
}

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