diff -r 57d4cdd99204 -r edfc90759b9f imageeditor/inc/VerticalSlider.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/imageeditor/inc/VerticalSlider.h Fri Jan 29 13:53:17 2010 +0200 @@ -0,0 +1,232 @@ +/* +* Copyright (c) 2010 Ixonos Plc. +* All rights reserved. +* This component 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 the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - Initial contribution +* +* Contributors: +* Ixonos Plc +* +* Description: +* +*/ + + + +#ifndef __VERTICALSLIDER_H__ +#define __VERTICALSLIDER_H__ + +#include + +class CFbsBitmap; + +/*! + @class CVerticalSlider + @discussion Simple control which draws a vertical slider + */ + +class CVerticalSlider : public CCoeControl + { + public: + + /*! + @function NewL + @discussion Create a CVerticalSlider object, which will draw itself to aRect + @param aRect the rectangle this view will be drawn to + @return a pointer to the created instance of CVerticalSlider + */ + IMPORT_C static CVerticalSlider* NewL(const TRect& aRect, const CCoeControl& aControl); + + /*! + @function NewLC + @discussion Create a CVerticalSlider object, which will draw itself to aRect + @param aRect the rectangle this view will be drawn to + @return a pointer to the created instance of CVerticalSlider + */ + IMPORT_C static CVerticalSlider* NewLC(const TRect& aRect, const CCoeControl& aControl); + + /*! + @function ~CVerticalSlider + @discussion Destroy the object and release all memory objects + */ + IMPORT_C ~CVerticalSlider(); + + + public: + // new functions + + /*! + @function SetMinimum + @param aValue the new minimum value + @discussion Sets the minimum value of the slider + */ + IMPORT_C void SetMinimum(TInt aValue); + + /*! + @function SetMaximum + @param aValue the new maximum value + @discussion Sets the maximum value of the slider + */ + IMPORT_C void SetMaximum(TInt aValue); + + /*! + @function SetStepL + @param aValue the new step value + @discussion Sets the step of the slider + */ + IMPORT_C void SetStep(TUint aValue); + + /*! + @function SetStepAmount + @param aValue the new step amount + @discussion Sets the number of steps in the slider + */ + IMPORT_C void SetStepAmount(TUint8 aValue); + + /*! + @function SetPosition + @discussion Sets the position of the slider. Panics if the position is out of bounds. + */ + IMPORT_C void SetPosition(TInt aValue); + + /*! + @function Minimum + @discussion Gets the minimum value of the slider + @return minimum value + */ + IMPORT_C TInt Minimum() const; + + /*! + @function Maximum + @discussion Gets the maximum value of the slider + @return maximum value + */ + IMPORT_C TInt Maximum() const; + + /*! + @function Step + @discussion Gets the step of the slider + @return current step + */ + IMPORT_C TInt Step() const; + + /*! + @function Position + @discussion Gets the position of the slider + @return current position + */ + IMPORT_C TInt Position() const; + + /*! + @function Increment + @discussion Increments the slider + */ + IMPORT_C void Increment(); + + /*! + @function Decrement + @discussion Decrements the slider + */ + IMPORT_C void Decrement(); + + private: + + /*! + @fuction ConstructL + @discussion Perform the second phase construction of a CVerticalSlider object + @param aRect Frame rectangle for container. + */ + void ConstructL(const TRect& aRect, const CCoeControl& aControl); + + /*! + @function CVerticalSlider + @discussion Constructs this object + */ + CVerticalSlider(); + + /*! + @function LoadBitmapL + @discussion Loads one bitmap and its mask + */ + void LoadBitmapL( + CFbsBitmap*& aBitmap, + CFbsBitmap*& aMask, + TInt aBitmapIndex, + TInt aMaskIndex + ) const; + + /*! + @function SetBitmapSize + @discussion Set size of the bitmaps to reflect the current screen resolution + */ + void SetBitmapSize() const; + + + public: // from CoeControl + /*! + @function CountComponentControls + @return Number of component controls + */ + IMPORT_C TInt CountComponentControls() const; + + /*! + @function ComponentControl. + @param aIndex index of the component control + @return Pointer to component control + */ + IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const; + + /*! + @function Draw + @discussion Draw this CVerticalSlider to the screen + @param aRect the rectangle of this view that needs updating + */ + IMPORT_C void Draw(const TRect& aRect) const; + + /*! + @function MinimumSize + @discussion Gets the minimum size of this component + @return a minimum size of the control + */ + IMPORT_C TSize MinimumSize(); + + private: + + /// minimum value of the slider + TInt iMinimumValue; + + /// maximum value of the slider + TInt iMaximumValue; + + /// step value + TUint iStep; + + /// number of steps + TUint8 iNumberOfSteps; + + /// current position + TInt iPosition; + + /// bitmap holding the slider background + CFbsBitmap* iSliderBg; + + /// mask for the slider background + CFbsBitmap* iSliderBgMask; + + /// bitmap holding the slider tab that moves + CFbsBitmap* iSliderTab; + + /// mask for the slider tab + CFbsBitmap* iSliderTabMask; + }; + +#endif // __VERTICALSLIDER_H__ + +// End of File + +