/*******************************************************************************

 * Copyright (c) 2007, 2010 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     Nokia Corporation - S60 implementation

 *******************************************************************************/

#ifndef SWTEDWINCUSTOMDRAWER_H

#define SWTEDWINCUSTOMDRAWER_H

class CEikEdwin;

class CLafEdwinCustomDrawBase;

/**

 * Class extending CLafEdwinCustomDrawBase so it supports custom clipping

 *

 * This class is used by CSwtEdwin, CSwtIntegerEdwin and CSwtFloatingPointEdwin

 * to implement custom clipping when drawing. When clipping is not applied,

 * edwin controls draw outside of parent controls of CSwtText and

 * CSwtContrainedText.

 */

NONSHARABLE_CLASS(CSwtEdwinCustomDrawer)

        : public CLafEdwinCustomDrawBase

{

public:

    CSwtEdwinCustomDrawer(const MLafEnv& aLafEnv,

    const MFormCustomDraw* aParentDraw, const CEikEdwin& aEdwin);

    ~CSwtEdwinCustomDrawer();

    /**

     * Sets custom clipping rectangle.

     */

    void SetClippingRect(const TRect& aRect);

// From CLafEdwinCustomDrawBase

public:

    void DrawBackground(const TParam& aParam, const TRgb& aBackground,

                        TRect& aDrawn) const;

    void DrawLineGraphics(const TParam& aParam,

                          const TLineInfo& aLineInfo) const;

    void DrawText(const TParam& aParam, const TLineInfo& aLineInfo,

                  const TCharFormat& aFormat, const TDesC& aText,

                  const TPoint& aTextOrigin, TInt aExtraPixels) const;

#ifdef RD_JAVA_S60_RELEASE_9_2

    void DrawText(const TParam& aParam, const TLineInfo& aLineInfo,

                  const TCharFormat& aFormat, const TDesC& aText,

                  const TInt aStart, const TInt aEnd, const TPoint& aTextOrigin,

                  TInt aExtraPixels) const;

#endif

    TRgb SystemColor(TUint aColorIndex, TRgb aDefaultColor) const;

private:

    /**

     * Control owning the drawer.

     */

    const CEikEdwin& iEdwin;

    /**

     * Original drawer used for actual drawing.

     * Not own.

     */

    const MFormCustomDraw* iEdWinDrawer;

    /**

     * Clipping rectangle.

     * Applied before iEdWinDrawer draws.

     */

    TRect iClippingRect;

};

#endif // SWTEDWINCUSTOMDRAWER_H