--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imageeditor/inc/SingleParamControl.h	Fri Jan 29 13:53:17 2010 +0200
@@ -0,0 +1,238 @@
+/*
+* 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 SINGLEPARAMCONTROL_H
+#define SINGLEPARAMCONTROL_H
+
+//  INCLUDES
+#include <eiklabel.h>
+#include "PreviewControlBase.h"
+
+//  FORWARD DECLARATIONS
+class CCoeControl;
+class CAknView;
+class MSingleParControlObserver;
+class CPluginInfo;
+class CHorizontalSlider;
+
+#ifdef RD_TACTILE_FEEDBACK 
+class MTouchFeedback;
+#endif /* RD_TACTILE_FEEDBACK  */
+
+/*	CLASS: CSingleParamControl
+ *
+ *   CSingleParamControl represents a single parameter adjustment UI control,
+ *   that can be used by any of the plug-ins just by defining a UI type to
+ *   resource file.
+ */
+class CSingleParamControl : public CPreviewControlBase
+	{
+public:
+
+	/** @name Methods:*/
+	//@{
+
+	/** NewL factory method, pops cleanupstack
+	 *
+	 *   @param aRect - control rectangle
+	 *	 @param aParent - pointer to window owning control
+	 *   @param aActionOnButtonRelease - To indicate if rendering should happen only when
+	 *   the button1 is released, i.e. when dragging has stopped. Default value is false.
+	 *   @return - pointer to the newly created CSingleParamControl instance
+	 */
+	IMPORT_C static CSingleParamControl * NewL (
+			const TRect & aRect,
+			CCoeControl * aParent,
+			TBool aActionOnButtonRelease = EFalse
+	);
+
+	/** Default constructor
+	 *
+	 *	@param -
+	 *	@return -
+	 */
+	IMPORT_C CSingleParamControl ();
+
+	/** Second phase constructor
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual void ConstructL (
+			const TRect & aRect,
+			CCoeControl * aParent,
+			TBool aActionOnButtonRelease
+	);
+
+	/** Destructor
+	 *
+	 *	@param -
+	 *	@return -
+	 */
+	IMPORT_C virtual ~CSingleParamControl ();
+
+	/*	SetView
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual void SetView (CAknView * aView);
+
+	/*	SetSelectedUiItemL
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual void SetSelectedUiItemL (CPluginInfo * aItem);
+
+	/*	OfferKeyEventL
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual TKeyResponse OfferKeyEventL (
+			const TKeyEvent & aKeyEvent,
+			TEventCode aType
+	);
+
+	/**	HandlePointerEventL	
+	 *
+	 *	@see CCoeControl
+	 */
+	IMPORT_C virtual void HandlePointerEventL( const TPointerEvent &aPointerEvent );
+
+	/*	SetParObserver 
+	 *
+	 *   Sets the MSingleParControlObserver for the control.
+	 *
+	 *	@param aObserver - parameter observer
+	 *	@return -
+	 */
+	IMPORT_C void SetParObserver (MSingleParControlObserver * aObserver);
+
+	/*	HandlePluginCommandL
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual void HandlePluginCommandL (const TInt aCommand);
+
+	/*	GetSoftkeyIndexL
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual TInt GetSoftkeyIndexL();
+
+	/*	GetNaviPaneTextL
+	 *
+	 *	@see CImageEditorControlBase
+	 */
+	IMPORT_C virtual TPtrC GetNaviPaneTextL (
+			TBool& aLeftNaviPaneScrollButtonVisibile,
+			TBool& aRightNaviPaneScrollButtonVisible);
+
+	// these functions are for adjusting the slider
+	IMPORT_C void SetSliderMinimumAndMaximum(TInt aMin, TInt aMax);
+	IMPORT_C void SetSliderPosition(TInt aPosition);
+	IMPORT_C void SetSliderStep(TUint aStep);
+	IMPORT_C void SetSliderStepAmount(TUint8 aAmount);
+	IMPORT_C void SetIcon(CEikImage* aIcon);
+	IMPORT_C void SetCaption(const TDesC& aText);
+	IMPORT_C TInt Position() const;
+
+	// from CCoeControl
+	IMPORT_C TInt CountComponentControls() const;
+	IMPORT_C CCoeControl* ComponentControl(TInt aIndex) const;
+	IMPORT_C void SizeChanged();
+
+	//@}
+
+protected:
+
+private:
+
+	/** @name Methods:*/
+	//@{
+
+	/*	Draw
+	 *
+	 *   @see CImageEditorControlBase
+	 */
+	IMPORT_C virtual void Draw (const TRect & aRect) const;
+
+	//@}
+	/// Parameter adjustment observer
+	MSingleParControlObserver * iParObserver;
+
+	IMPORT_C void CountImageSizesAndPositions();
+	IMPORT_C void MoveSlider(TInt aSteps);
+
+protected:
+
+	/// Plug-in info
+	CPluginInfo* iItem;
+
+	/// View reference
+	CAknView* iEditorView;
+
+	/// drag flag
+	TBool iDragging;
+	
+	/// should rendering happen only when the button is released
+	TBool iActionOnButtonRelease;
+
+	/// touch area
+	TRect iTouchRect;
+
+	/// minimum value of the slider
+	TInt iMinimumValue;
+
+	/// maximum value of the slider
+	TInt iMaximumValue;
+
+	/// step value
+	TUint iStep;
+	TUint iStepInPixels;
+
+	/// number of steps
+	TUint8 iNumberOfSteps;
+
+	/// current position
+	TInt iPosition;
+
+	/// popup graphics
+	RPointerArray<CEikImage> iBorders;
+
+	/// scrollbar graphics
+	RPointerArray<CEikImage> iScrollBar;
+
+	/// caption text
+	CEikLabel* iText;
+
+	/// icon graphic, owned
+	CEikImage* iIcon;
+
+	/// use selection graphic
+	TBool iMarkerPressed;
+
+	// Feedback for screen touch:
+#ifdef RD_TACTILE_FEEDBACK 
+	MTouchFeedback* iTouchFeedBack;
+#endif /* RD_TACTILE_FEEDBACK  */
+
+	};
+
+#endif
+
+// End of File