shapessplashcontainer.cpp

来自「series60 应用程序开发的源代码 series60 应用程序开发的源代码」· C++ 代码 · 共 127 行

/**
 * 
 * @brief Definition of CShapesSplashContainer
 *
 * Copyright (c) EMCC Software Ltd 2003
 * @version 1.0
 */

// INCLUDE FILES

// Class includes
#include "ShapesSplashContainer.h"

// System includes
#include <aknutils.h>        // CEikonEnv iEikonEnv and AKN_LAF_COLOR
#include <Shapes.rsg>        // R_SHAPES_DISPLAY_SHAPES, R_SHAPES_DISPLAY_INSTRUCTIONS, R_SHAPES_DISPLAY_INSTRUCTIONS2
#include <StringLoader.h>    // StringLoader

// CONSTANTS

const TInt KColorGray = 86;
const TInt KTextMaxLength = 30;

#define KText1Point TPoint(60, 30)
#define KText2Point TPoint(20, 80)
#define KText3Point TPoint(10, 130)

// ================= MEMBER FUNCTIONS =======================

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CShapesSplashContainer using the NewLC method, popping
 * the constructed object from the CleanupStack before returning it.
 * 
 * @param aRect The rectangle for this window
 * @return The newly constructed CShapesSplashContainer
 */
CShapesSplashContainer* CShapesSplashContainer::NewL(const TRect& aRect)
{
    CShapesSplashContainer* self = CShapesSplashContainer::NewLC(aRect);
    CleanupStack::Pop(self);
    return self;
}

/**
 * Symbian OS 2 phase constructor.
 * Constructs the CShapesSplashContainer using the constructor and ConstructL 
 * method, leaving the constructed object on the CleanupStack before returning it.
 * 
 * @param aRect The rectangle for this window
 * @return The newly constructed CShapesSplashContainer
 */
CShapesSplashContainer* CShapesSplashContainer::NewLC(const TRect& aRect)
{
    CShapesSplashContainer* self = new (ELeave) CShapesSplashContainer();
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
}

/**
 * C++ constructor
 */
CShapesSplashContainer::CShapesSplashContainer() 
{
}

/**
 * Symbian OS 2nd phase constructor.  Creates a Window for the control to draw to.
 * Activates the control
 *
 * @param aRect The rectangle for this window
 */ 
void CShapesSplashContainer::ConstructL(const TRect& aRect)
{
    CreateWindowL();
    SetRect(aRect);
    ActivateL();
}

/**
 * Destructor
 */
CShapesSplashContainer::~CShapesSplashContainer()
{
}

/**
 * Simple draw function for splash screen. Displays message on how to use application
 *
 * @param aRect The rectangular area to be drawn
 */
void CShapesSplashContainer::Draw(const TRect& aRect) const
{
    // Clear the graphics context.
    CWindowGc& gc = SystemGc();
    gc.Clear();
    
    // Descriptors to be displayed. Use resource architecture to obtain localized strings.
    TBuf<KTextMaxLength> text1;
    StringLoader::Load(text1, R_SHAPES_DISPLAY_SHAPES);

    TBuf<KTextMaxLength> text2;
    StringLoader::Load(text2, R_SHAPES_DISPLAY_INSTRUCTIONS);

    TBuf<KTextMaxLength> text3;
    StringLoader::Load(text3, R_SHAPES_DISPLAY_INSTRUCTIONS2);
    
    // Set background color
    TRgb colorGray = AKN_LAF_COLOR(KColorGray);
    gc.SetPenStyle(CGraphicsContext::ENullPen);
    gc.SetBrushColor(colorGray);
    gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
    gc.DrawRect(aRect);

    // Draw text.
    gc.SetPenStyle(CGraphicsContext::ESolidPen);
    const CFont* font = iEikonEnv->TitleFont();
    gc.UseFont(font);
    gc.DrawText(text1, KText1Point);
    gc.DrawText(text2, KText2Point);
    gc.DrawText(text3, KText3Point);
    gc.DiscardFont();
}

// End of File