williamr@2: /*
williamr@2: * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: * All rights reserved.
williamr@2: * This component and the accompanying materials are made available
williamr@2: * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: * which accompanies this distribution, and is available
williamr@2: * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: *
williamr@2: * Initial Contributors:
williamr@2: * Nokia Corporation - initial contribution.
williamr@2: *
williamr@2: * Contributors:
williamr@2: *
williamr@2: * Description: Slider editor class
williamr@2: *
williamr@2: */
williamr@2:
williamr@2:
williamr@2: #ifndef __AKNSLIDER_H__
williamr@2: #define __AKNSLIDER_H__
williamr@2:
williamr@2: // INCLUDES
williamr@2: #include <eikbctrl.h>
williamr@2: #include <eiklabel.h>
williamr@2: #include <eikimage.h>
williamr@2: #include <avkon.hrh> // For TAknOrientation
williamr@2:
williamr@2: // CONSTANTS
williamr@2:
williamr@2: // The following is max. length of the entire formatted value text including
williamr@2: // number, special characters and supplied text.
williamr@2: const TInt KValueLabelTextMaxLength = 30;
williamr@2:
williamr@2: // Forward declarations
williamr@2: class CGulIcon;
williamr@2: class MAknsSkinInstance;
williamr@2: class CAknSliderExtension;
williamr@2: class CAknSliderData;
williamr@2: struct TAknSliderGfx;
williamr@2:
williamr@2: // CLASS DECLARATION
williamr@2: class CAknSlider : public CEikBorderedControl
williamr@2: {
williamr@2: public: // Enumerations
williamr@2: /**
williamr@2: * Elements that currently support custom graphics.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: enum TSliderGfxElements
williamr@2: {
williamr@2: /**
williamr@2: * Left cap component of the slider, without filling. Left cap equals
williamr@2: * to bottom cap in vertical layout.
williamr@2: */
williamr@2: EElemEmptyLeftCap,
williamr@2:
williamr@2: /**
williamr@2: * Right cap component of the slider, without filling. Right cap equals
williamr@2: * to top cap in vertical layout.
williamr@2: */
williamr@2: EElemEmptyRightCap,
williamr@2:
williamr@2: /**
williamr@2: * Line component of the slider, without filling.
williamr@2: */
williamr@2: EElemEmptyLine,
williamr@2:
williamr@2: /**
williamr@2: * Line component of the slider, with filling.
williamr@2: */
williamr@2: EElemFilledLine,
williamr@2:
williamr@2: /**
williamr@2: * Left cap component of the slider, with filling.
williamr@2: */
williamr@2: EElemFilledLeftCap,
williamr@2:
williamr@2: /**
williamr@2: * Right cap component of the slider, with filling.
williamr@2: */
williamr@2: EElemFilledRightCap,
williamr@2:
williamr@2: /**
williamr@2: * Marker component of the slider.
williamr@2: */
williamr@2: EElemMarker,
williamr@2:
williamr@2: /**
williamr@2: * Tick mark component of the slider. Small evenly spaced lines,
williamr@2: * placed vertically in relation to slider itself.
williamr@2: */
williamr@2: EElemTickMark,
williamr@2:
williamr@2: /**
williamr@2: * Marker component of the slider when dragged
williamr@2: */
williamr@2: EElemMarkerSelected
williamr@2: };
williamr@2:
williamr@2: /**
williamr@2: * Supported slider position indicators.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: enum
williamr@2: {
williamr@2: /**
williamr@2: * Flag for enabling/disabling line filling. With line filling different
williamr@2: * graphics will be used for the the slider line's left and right sides
williamr@2: * (the current marker position as pivot). The left side is considered
williamr@2: * filled line and the right side empty line.
williamr@2: *
williamr@2: * When line filling is enabled the graphics element @c EElemFilledLine
williamr@2: * is used for the left side and @c EElemEmptyLine for the right. If
williamr@2: * line filling is disabled @c EElemEmptyLine is used for the whole
williamr@2: * line.
williamr@2: */
williamr@2: EPosFilling = 0x01,
williamr@2: /**
williamr@2: * Flag for enabling/disabling line marker (the knob). While disabled
williamr@2: * marker is not visible, the marker area will still be used for touch
williamr@2: * input.
williamr@2: */
williamr@2: EPosMarker = 0x02
williamr@2: };
williamr@2:
williamr@2: /**
williamr@2: * Event for slider thumb/marker dragging.
williamr@2: *
williamr@2: * @since 5.0
williamr@2: */
williamr@2: enum
williamr@2: {
williamr@2: /**
williamr@2: * Slider thumb/marker drag start
williamr@2: */
williamr@2: EDragMarkerStart = 1000,
williamr@2: /**
williamr@2: * Slider thumb/marker drag end
williamr@2: */
williamr@2: EDragMarkerEnd
williamr@2: };
williamr@2:
williamr@2: public:
williamr@2: /**
williamr@2: * Default Constructor.
williamr@2: */
williamr@2: IMPORT_C CAknSlider();
williamr@2:
williamr@2: /**
williamr@2: * Destructor.
williamr@2: */
williamr@2: IMPORT_C ~CAknSlider();
williamr@2:
williamr@2: /**
williamr@2: * Sets the value of the slider control and also updates the iValueLabel
williamr@2: * text. There are the following constraints on the value:
williamr@2: * it must be within the current range,
williamr@2: * it must be at a value that is minimum + N * stepsize.
williamr@2: * If these are not both true, then the method will Panic
williamr@2: *
williamr@2: * @param aValue Sets the value of the slider.
williamr@2: */
williamr@2: IMPORT_C void SetValueL( TInt aValue );
williamr@2:
williamr@2: /**
williamr@2: * Returns the value of the slider control
williamr@2: *
williamr@2: * @return Slider value.
williamr@2: */
williamr@2: IMPORT_C TInt Value() const;
williamr@2:
williamr@2: /**
williamr@2: * Sets the range of the slider control. Maximum value must be greater than
williamr@2: * the minimum value, or the method will Panic.
williamr@2: *
williamr@2: * @param aMinimumValue The minimum value of the slider control
williamr@2: * @param aMaximumValue The maximum value of the slider control
williamr@2: */
williamr@2: IMPORT_C void SetRange( TInt aMinimumValue, TInt aMaximumValue );
williamr@2:
williamr@2: /**
williamr@2: * Gets the range of the slider control. Maximum value must be greater than
williamr@2: * the minimum value, or the method will Panic.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: * @param aMinimumValue The minimum value of the slider control
williamr@2: * @param aMaximumValue The maximum value of the slider control
williamr@2: */
williamr@2: IMPORT_C void GetRange( TInt& aMinimumValue, TInt& aMaximumValue );
williamr@2:
williamr@2: /**
williamr@2: * Sets the step size. The step size must divide evenly into the Range. This
williamr@2: * routine should be called after SetRange if either is called.
williamr@2: *
williamr@2: * @param aStepSize The value of the step size
williamr@2: */
williamr@2: IMPORT_C void SetStepSize( TInt aStepSize );
williamr@2:
williamr@2: /**
williamr@2: * Sets the text to the minimum label.
williamr@2: *
williamr@2: * @param aText The text passed is set to the minimum label
williamr@2: */
williamr@2: IMPORT_C void SetMinimumTextL( const TDesC& aText );
williamr@2:
williamr@2: /**
williamr@2: * Sets the text to the maximum label.
williamr@2: *
williamr@2: * @param aText The text passed is set to the maximum label
williamr@2: */
williamr@2: IMPORT_C void SetMaximumTextL( const TDesC& aText );
williamr@2:
williamr@2: /**
williamr@2: * Sets the value of decimal places. The legal range is 0 - 9 inclusive.
williamr@2: *
williamr@2: * @param aDecimalPlaces The value of the decimal place
williamr@2: */
williamr@2: IMPORT_C void SetDecimalPlaces( TInt aDecimalPlaces );
williamr@2:
williamr@2: /**
williamr@2: * Returns the value of decimal place.
williamr@2: *
williamr@2: * @return the value of decimal place.
williamr@2: */
williamr@2: IMPORT_C TInt DecimalPlaces() const;
williamr@2:
williamr@2: /**
williamr@2: * Allows setting custom graphics for a certain slider element. Existing
williamr@2: * icons (custom or default) for the element are discarded. Note that some
williamr@2: * elements might not be visible until the corresponding functionality is
williamr@2: * enabled, see @c SetPositionIndicators and @c SetTicksEnabled.
williamr@2: *
williamr@2: * Slider takes care of scaling the given icons to the correct size,
williamr@2: * provided that they have been created with @c AknIconUtils or @c AknsUtils
williamr@2: * interfaces. It also handles re-scaling the icons if the slider layout
williamr@2: * changes.
williamr@2: *
williamr@2: * If the custom icons are created by using skin items (e.g. using color
williamr@2: * from skin), remember to change the icons whenever skin changes, see
williamr@2: * @c CCoeControl::HandleResourceChange. In addition, note that slider can
williamr@2: * be with horizontal or vertical layout, @see Orientation
williamr@2: *
williamr@2: * @param aElement The element ID to which the icons are assigned, one of
williamr@2: * @c TGfxElements.
williamr@2: *
williamr@2: * @param aBitmap The icon used for the element, must be non-NULL,
williamr@2: * ownership is transferred to slider.
williamr@2: *
williamr@2: * @param aMask Optional mask for the aBitmap, can be NULL, ownership
williamr@2: * is transferred to slider.
williamr@2: *
williamr@2: * @par Exceptions:
williamr@2: * Will panic with EAknPanicInvalidValue if the element ID is invalid or
williamr@2: * aBitmap is NULL.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C void SetGraphics( TInt aElement,
williamr@2: CFbsBitmap* aBitmap,
williamr@2: CFbsBitmap* aMask );
williamr@2:
williamr@2: /**
williamr@2: * Makes an element to use default graphics. Possible custom graphics for
williamr@2: * the element is discarded.
williamr@2: *
williamr@2: * @param aElement The element ID which should use default graphics, one of
williamr@2: * @c TGfxElements.
williamr@2: *
williamr@2: * @par Exceptions:
williamr@2: * Will panic with EAknPanicInvalidValue if the element index is invalid.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C void UseDefaultGraphics( TInt aElement );
williamr@2:
williamr@2: /**
williamr@2: * Queries whether some element is using default graphics.
williamr@2: *
williamr@2: * @param aElement The element ID which should use default graphics, one of
williamr@2: * @c TGfxElements.
williamr@2: *
williamr@2: * @return ETrue if default graphics is used for the element, EFalse
williamr@2: * otherwise (custom graphics used).
williamr@2: *
williamr@2: * @par Exceptions:
williamr@2: * Will panic with EAknPanicInvalidValue if the element index is invalid.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C TBool UsesDefaultGraphics( TInt aElement ) const;
williamr@2:
williamr@2: /**
williamr@2: * Configures line position indicators, which display the slider's current
williamr@2: * position. Possible indicators are defined in @c EPositionIndicator, at
williamr@2: * least one of them must be defined (to display some position information).
williamr@2: * Multiple values can be enabled by using bitwise or, e.g. @c EPosFilling |
williamr@2: * EPosMarker. The new flags will fully override the old values. The default
williamr@2: * value is @c EPosMarker.
williamr@2: *
williamr@2: * @param aFlags Bitmask containing flags from @c EPositionIndicator. At
williamr@2: * least one flag should be set.
williamr@2: *
williamr@2: * @par Exceptions:
williamr@2: * If none of the flags in @c EPositionIndicator is set, the code defaults
williamr@2: * silently to @c EPosMarker.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C void SetPositionIndicators( TUint32 aFlags );
williamr@2:
williamr@2:
williamr@2: /**
williamr@2: * Queries the current status of position indicators.
williamr@2: *
williamr@2: * @return Bitmask containing flags as defined in @c EPositionIndicator
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C TUint32 PositionIndicators() const;
williamr@2:
williamr@2: /**
williamr@2: * Queries the current orientation status.
williamr@2: *
williamr@2: * @return The current orientation, see @c TAknOrientation.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C TAknOrientation Orientation() const;
williamr@2:
williamr@2: /**
williamr@2: * Enables/disables the tick marks. Tick marks are disabled by default.
williamr@2: * Enabling tick marks affects only the visual appearance of slider. That is,
williamr@2: * enabling slider step handling is not changed.
williamr@2: *
williamr@2: * @param aStatus ETrue to enable tick marks, EFalse to disable.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C void SetTicksEnabled( TBool aStatus );
williamr@2:
williamr@2: /**
williamr@2: * Queries the current tick mark status.
williamr@2: *
williamr@2: * @return ETrue if tick marks are enabled, EFalse otherwise.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C TBool TicksEnabled() const;
williamr@2:
williamr@2: /**
williamr@2: * Sets the tick interval used for drawing the tick marks. Tick interval is
williamr@2: * in the slider range units (not in pixels). If interval value is set to 0,
williamr@2: * the slider step size is used as tick interval, see @c SetStepSize. The
williamr@2: * default interval value is 0.
williamr@2: *
williamr@2: * @param aInterval The value set as tick interval, always >= 0.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C void SetTickInterval( TUint aInterval );
williamr@2:
williamr@2: /**
williamr@2: * Queries the current tick interval value.
williamr@2: *
williamr@2: * @return Current tick interval, always >= 0.
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C TUint TickInterval() const;
williamr@2:
williamr@2: /**
williamr@2: * Returns slider bitmap to "list pane for setting item" (setting option
williamr@2: * item slider graphic). Ownership of the returned bitmap is transfered to
williamr@2: * the caller.
williamr@2: *
williamr@2: * @param aValue Current value
williamr@2: * @param aResourceId Slider resource that contains minimum and maximum
williamr@2: * values
williamr@2: * @return Slider bitmap. Ownership of the bitmap is transfered to the
williamr@2: * caller.
williamr@2: */
williamr@2: IMPORT_C static CFbsBitmap* CreateBitmapL( TInt aValue,
williamr@2: TInt aResourceId );
williamr@2:
williamr@2: /**
williamr@2: * Returns slider bitmap to "list pane for setting item" (setting option
williamr@2: * item slider graphic). Ownership of the returned bitmap is transfered to
williamr@2: * the caller.
williamr@2: *
williamr@2: * @param aValue Current value
williamr@2: * @param aMinimumValue Slider minimum value
williamr@2: * @param aMaximumValue Slider maximum value
williamr@2: * @return Slider bitmap. Ownership of the bitmap is transfered to the
williamr@2: * caller
williamr@2: */
williamr@2: IMPORT_C static CFbsBitmap* CreateBitmapL( TInt aValue,
williamr@2: TInt aMinimumValue,
williamr@2: TInt aMaximumValue );
williamr@2:
williamr@2: /**
williamr@2: * Returns slider icon to "list pane for setting item" (setting option item
williamr@2: * slider graphic). Ownership of the returned icon is transfered to the
williamr@2: * caller.
williamr@2: *
williamr@2: * @param aValue Current value
williamr@2: * @param aResourceId Slider resource that contains minimum and maximum
williamr@2: * values
williamr@2: * @return Slider icon. Ownership of the icon is transfered to the caller
williamr@2: */
williamr@2: IMPORT_C static CGulIcon* CreateSetStyleListBoxIconL( TInt aValue,
williamr@2: TInt aResourceId );
williamr@2:
williamr@2: /**
williamr@2: * Returns slider icon to "list pane for setting item" (setting option item
williamr@2: * slider graphic). Ownership of the returned icon is transfered to the
williamr@2: * caller.
williamr@2: *
williamr@2: * @param aValue Current value
williamr@2: * @param aMinimumValue Slider minimum value
williamr@2: * @param aMaximumValue Slider maximum value
williamr@2: * @return Slider bitmap. Ownership of the icon is transfered to the caller
williamr@2: */
williamr@2: IMPORT_C static CGulIcon* CreateSetStyleListBoxIconL( TInt aValue,
williamr@2: TInt aMinimumValue,
williamr@2: TInt aMaximumValue );
williamr@2: /**
williamr@2: * Call CCoeControl::EnableDragEvents()
williamr@2: *
williamr@2: * @since 3.2
williamr@2: */
williamr@2: IMPORT_C void EnableDrag();
williamr@2:
williamr@2: public:
williamr@2: /**
williamr@2: * From CCoeControl, returns the size of the control. And yes, this method
williamr@2: * is non-const.
williamr@2: *
williamr@2: * @return size of the control
williamr@2: */
williamr@2: TSize MinimumSize();
williamr@2:
williamr@2: /**
williamr@2: * From CCoeControl, Handles key event.
williamr@2: *
williamr@2: * @param aKeyEvent The key event.
williamr@2: * @param aType The type of the event.
williamr@2: * @return Indicates whether the key event was used by this control or not
williamr@2: */
williamr@2: TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,
williamr@2: TEventCode aType );
williamr@2:
williamr@2: /**
williamr@2: * From CCoeControl, essential for Dialog/Form construction.
williamr@2: *
williamr@2: * @param aReader which reads the values specified in the resource file
williamr@2: */
williamr@2: IMPORT_C void ConstructFromResourceL( TResourceReader& aReader );
williamr@2:
williamr@2: /**
williamr@2: * This function is used for constructing the control.
williamr@2: *
williamr@2: * @param aParent Pointer to the parent control.
williamr@2: * @paran aValue Current value of the slider control.
williamr@2: * @param aReader which reads the values specified in the resource file.
williamr@2: */
williamr@2: IMPORT_C void ConstructFromResourceL( CCoeControl* aParent,
williamr@2: TInt aValue,
williamr@2: TResourceReader& aReader );
williamr@2:
williamr@2: /**
williamr@2: * This function toggles between edit and view modes
williamr@2: *
williamr@2: * @param aType Specifies the mode.
williamr@2: */
williamr@2: IMPORT_C void HandleResourceChange( TInt aType );
williamr@2:
williamr@2: /**
williamr@2: * This function will be called when focus changed.
williamr@2: *
williamr@2: * @param aDrawNow if the control needs to call DrawNow().
williamr@2: */
williamr@2: IMPORT_C virtual void FocusChanged(TDrawNow aDrawNow);
williamr@2:
williamr@2: public:
williamr@2: /**
williamr@2: * This function is used specifically in the forms. (For Forms/Dialogs to
williamr@2: * use with LAF) Returns the number of lines on the control.
williamr@2: *
williamr@2: * @return Number of lines
williamr@2: */
williamr@2: IMPORT_C TInt NumberOfLines() const;
williamr@2:
williamr@2: /**
williamr@2: * This routine can be used to combine the resource for a Slider with a
williamr@2: * value to get the same value text that you would get if you had the
williamr@2: * instantiated control
williamr@2: *
williamr@2: * @param aValue The value to format
williamr@2: * @param aResourceId AKN_SLIDER resource id
williamr@2: *
williamr@2: * @return Transfer of ownership of descriptor containing the value text
williamr@2: */
williamr@2: IMPORT_C static HBufC* CreateValueTextInHBufCL( TInt aValue,
williamr@2: TInt aResourceId );
williamr@2:
williamr@2: void SuppressDrawing( TBool aSuppress );
williamr@2:
williamr@2: protected:
williamr@2: /**
williamr@2: * From CCoeControl, Called by framework when the view size is changed.
williamr@2: */
williamr@2: void SizeChanged();
williamr@2:
williamr@2: /**
williamr@2: * From CCoeControl, Drawing function which draws the control
williamr@2: *
williamr@2: * @param aRect Specified area to be drawn
williamr@2: */
williamr@2: void Draw( const TRect& aRect ) const;
williamr@2:
williamr@2: /**
williamr@2: * From CCoeControl, Returns number of components.
williamr@2: *
williamr@2: * @return Number of component controls
williamr@2: */
williamr@2: IMPORT_C virtual TInt CountComponentControls() const;
williamr@2:
williamr@2: /**
williamr@2: * From CCoeControl, Returns pointer to particular component
williamr@2: *
williamr@2: * @param aIndex Index whose control's pointer has to returned.
williamr@2: * @return Pointer to component control
williamr@2: */
williamr@2: IMPORT_C virtual CCoeControl* ComponentControl( TInt aIndex ) const;
williamr@2:
williamr@2: public:
williamr@2: /**
williamr@2: * From CCoeControl. Handles pointer event
williamr@2: *
williamr@2: * @param aPointerEvent Pointer event to be handled
williamr@2: */
williamr@2: IMPORT_C void HandlePointerEventL( const TPointerEvent& aPointerEvent );
williamr@2: TInt StepSize() const;
williamr@2:
williamr@2: private:
williamr@2: /**
williamr@2: * From CAknControl
williamr@2: */
williamr@2: IMPORT_C void* ExtensionInterface( TUid aInterface );
williamr@2:
williamr@2: protected:
williamr@2: /**
williamr@2: * Sets the text to the value label
williamr@2: */
williamr@2: IMPORT_C void SetValueTextL();
williamr@2:
williamr@2: public:
williamr@2:
williamr@2: /**
williamr@2: * Report event for thumb/marker dragging via HandleControlEventL
williamr@2: *
williamr@2: * @since 5.0
williamr@2: */
williamr@2: void ReportMarkerDragEvent( TBool aEnable );
williamr@2:
williamr@2: private:
williamr@2: /**
williamr@2: * This function creates the bitmaps and labels. Also it sets the
williamr@2: * container window for the labels.
williamr@2: */
williamr@2: void ConstructL();
williamr@2:
williamr@2: void InitializeBitmapsL();
williamr@2:
williamr@2: /**
williamr@2: * static routine for setting the value text.
williamr@2: * @param valueBuf Buffer to hold the result. Must be big enough to hold
williamr@2: * value label as formatted from the resources and value provided, though
williamr@2: * it is protected from overflow. Contained text will be truncated to
williamr@2: * KValueLabelTextMaxLength
williamr@2: * @param aValue Slider value to format
williamr@2: * @param aResourceData resource Id to read from
williamr@2: */
williamr@2: static void DoSetValueTextL( TDes& valueBuf, TInt aValue,
williamr@2: const CAknSliderData& aResourceData );
williamr@2:
williamr@2: /**
williamr@2: * This method is used to trap all the accesses to the internal data. It
williamr@2: * panics with EAknPanicObjectNotFullyConstructed if iData is not
williamr@2: * constructed, that is, if 2nd stage construction has not taken place (or
williamr@2: * has failed).
williamr@2: */
williamr@2: CAknSliderData* SliderData() const;
williamr@2:
williamr@2: /**
williamr@2: * This class is a utility to protect StringLoader::Format from being
williamr@2: * called without a formatting token.
williamr@2: *
williamr@2: * StringLoader is used in current implementation. See StringLoader::Format
williamr@2: * for the semantics of the parameters.
williamr@2: *
williamr@2: * The other thing to note is that the output for descriptor must be able
williamr@2: * to accept up to KValueLabelTextMaxLength characters.
williamr@2: *
williamr@2: * @param aOutput Output of format operation
williamr@2: * @param aFormat Formatting descriptor.
williamr@2: * @param aValue Descriptor to substitute for the %U token potentially
williamr@2: * present in the formatting descriptor.
williamr@2: */
williamr@2: static void FormatWithOrWithoutTokenL( TDes& aOutput,
williamr@2: const TDesC& aFormat,
williamr@2: const TDesC& aValue );
williamr@2:
williamr@2: // layout methods
williamr@2: void FormSliderLayout1();
williamr@2: void FormSliderLayout2();
williamr@2: void FormSliderLayout3();
williamr@2: void SettingsItemSliderLayout();
williamr@2: void VerticalSliderLayout();
williamr@2: void HorizontalSliderLayout();
williamr@2: void MIDPFormSliderLayout();
williamr@2:
williamr@2: void SetLabelColor();
williamr@2:
williamr@2:
williamr@2: void CreateDecoratorImageFromResourceL( TInt aImageResourceId );
williamr@2:
williamr@2: // Internal access methods
williamr@2: TInt Layout() const;
williamr@2: TInt MaximumValue() const;
williamr@2: TInt MinimumValue() const;
williamr@2: TInt Range() const;
williamr@2:
williamr@2: // Starts a timer for feedback effect visualization.
williamr@2: void StartTimerL();
williamr@2:
williamr@2: // Callback for feedback effect.
williamr@2: static TInt IndicationDrawCallbackL( TAny* aThis );
williamr@2:
williamr@2: // Implementation of the feedback effect.
williamr@2: void SmallDirectionIndicationL();
williamr@2:
williamr@2: void DrawHorizontalTickMarks( CWindowGc& aGc ) const;
williamr@2: void DrawVerticalTickMarks( CWindowGc& aGc ) const;
williamr@2:
williamr@2: void TranslateValueL( TInt aDelta, TBool aFeedback = EFalse );
williamr@2:
williamr@2: void GetMarkerRect( TRect& aRect ) const;
williamr@2: TSize MarkerSize() const;
williamr@2: TPoint MarkerPos() const;
williamr@2:
williamr@2: void DrawHorizontal( TBool aDrawMarker ) const;
williamr@2: void DrawVertical( TBool aDrawMarker ) const;
williamr@2:
williamr@2: void DrawHorizontalLine( CWindowGc& aGc ) const;
williamr@2: void DrawVerticalLine( CWindowGc& aGc ) const;
williamr@2:
williamr@2: void FetchGfx( TAknSliderGfx& aGfx, TInt aElement, const TSize& aSize ) const;
williamr@2:
williamr@2: // calculate the correct value according to the input point
williamr@2: TInt CalcAlignedValue( const TPoint& aPoint );
williamr@2:
williamr@2: private:
williamr@2: CEikImage* iImage;
williamr@2: CEikLabel* iValueLabel;
williamr@2: CEikLabel* iMinLabel;
williamr@2: CEikLabel* iMaxLabel;
williamr@2: CFbsBitmap* iMarkerBmp;
williamr@2: CFbsBitmap* iMarkerMaskBmp;
williamr@2: TRect iMarkerArea;
williamr@2: TRect iLineRect;
williamr@2: TInt iValue;
williamr@2: TBool iEditable;
williamr@2: TRgb iColor;
williamr@2:
williamr@2: // Not used, kept for binary compatibility. Another pointer with same name
williamr@2: // in iData is really used
williamr@2: HBufC* iSingularText;
williamr@2:
williamr@2: CAknSliderData* iData;
williamr@2: CAknSliderExtension* iExt;
williamr@2:
williamr@2: TInt iSpare[4];
williamr@2: };
williamr@2:
williamr@2: #endif // __AKNSLIDER_H__
williamr@2:
williamr@2: // End of File