Matrix item class. More...

#include <ilviews/gadgets/matrix.h>

Inheritance diagram for IlvGadgetMatrixItem:

Public Member Functions
	IlvGadgetMatrixItem (IlvGadget *gadget)
	Constructor. More...

virtual IlvAbstractMatrixItem *	copy () const
	Copies this object. More...

virtual void	draw (const IlvMatrix , IlUShort, IlUShort, IlvPort , const IlvRect &, const IlvRect *) const
	Is called to draw the matrix item. More...

IlUShort	focusColumn ()
	Returns the index of the column containing the matrix item. More...

IlUShort	focusRow ()
	Returns the index of the row containing the matrix item. More...

IlvGadget *	getGadget () const
	Returns a pointer to the gadget stored in this matrix item. More...

virtual const char *	getLabel () const
	Returns the label that identifies this matrix item. More...

IlBoolean	hasFocus () const
	Indicates whether the gadget in the matrix item has the focus. More...

IlBoolean	isInteractive () const
	Indicates whether the gadget stored in this matrix item is active. More...

virtual void	minimumSize (const IlvMatrix *, IlvDim &w, IlvDim &h) const
	Returns the preferred size of the item. More...

void	setGadget (IlvGadget *gadget)
	Sets the gadget stored in this matrix item. More...

void	setInteractive (IlBoolean val)
	Specifies whether the gadget stored in this matrix item should be active. More...

virtual void	setLabel (const char *, IlBoolean copy=IlTrue)
	Sets the label of the matrix item. More...

virtual void	write (IlvOutputFile &) const
	Writes an object description to a file. More...

Public Member Functions inherited from IlvGraphicMatrixItem
	IlvGraphicMatrixItem (IlvGraphic *graphic)
	Constructor. More...

IlvGraphic *	getGraphic () const
	Returns a pointer to the graphic object stored in this matrix item. More...

virtual IlBoolean	handleSelectionDrawing () const
	Indicates whether the selection drawing is handled by the matrix item. More...

virtual void	setBackground (IlvColor *)
	Sets the background color of this matrix item. More...

virtual void	setFont (IlvFont *)
	Sets the font of this matrix item. More...

virtual void	setForeground (IlvColor *)
	Sets the foreground color of this matrix item. More...

void	setGraphic (IlvGraphic *graphic)
	Sets the graphic object stored in this matrix item. More...

virtual void	setPalette (IlvPalette *)
	Sets the palette of this matrix item. More...

Public Member Functions inherited from IlvAbstractMatrixItem
void	drawLabel (const char label, const IlvMatrix matrix, IlUShort col, IlUShort row, IlvPort dst, const IlvRect &bbox, const IlvRect clip=0) const
	Is called to draw the label of the matrix item. More...

Additional Inherited Members
Static Public Member Functions inherited from IlvAbstractMatrixItem
static IlvAbstractMatrixItem *	readItem (IlvInputFile &file, IlvDisplay *display)
	Reads an object description from a file. More...

Detailed Description

Matrix item class.

Library: ilvadvgdt

Use this class to define a matrix item as a gadget. Gadgets stored in a matrix item are active.

See also: IlvGadget, IlvMatrix.

Accessors

Accessors provide a scriptable and uniform way to inspect and modify an object by using its base class methods IlvValueInterface::queryValue(), IlvValueInterface::queryValues(), IlvValueInterface::changeValue(), IlvValueInterface::changeValues(). This class inherits the accessors of its superclass IlvGraphicMatrixItem and adds the following ones:

Name	Type	Equivalent methods
`graphic`	Object	`getGadget()`, `setGadget()`
`interactive`	Boolean	`isInteractive()`, `setInteractive()`
`hasFocus`	Boolean	`hasFocus()`
`focusRow`	UInt	`focusRow()`
`focusColumn`	UInt	`focusColumn()`

Constructor & Destructor Documentation

§ IlvGadgetMatrixItem()

IlvGadgetMatrixItem::IlvGadgetMatrixItem ( IlvGadget * gadget )

Constructor.

Initializes a new instance of the class IlvGadgetMatrixItem.

Parameters

gadget The gadget encapsulated by this matrix item.

Member Function Documentation

§ copy()

virtual IlvAbstractMatrixItem* IlvGadgetMatrixItem::copy ( ) const

virtual

Copies this object.

Allocates and returns a copy of this object.

Returns: A copy of the object.

See also: IlvPredefinedMatrixItemIOMembers().

Reimplemented from IlvGraphicMatrixItem.

§ draw()

virtual void IlvGadgetMatrixItem::draw	(	const IlvMatrix *	matrix,
		IlUShort	col,
		IlUShort	row,
		IlvPort *	dst,
		const IlvRect &	bbox,
		const IlvRect *	clip
	)		const

virtual

Is called to draw the matrix item.

The default implementation of the method calls IlvAbstractMatrixItem::drawLabel.

Parameters

matrix	The matrix to which the item belongs.
col	The column where the matrix item is located.
row	The row where the matrix item is located.
dst	The destination drawing port.
bbox	The bounding box of the matrix item.
clip	The clipping area.

See also: IlvAbstractMatrix::drawItem, drawLabel().

Reimplemented from IlvGraphicMatrixItem.

§ focusColumn()

IlUShort IlvGadgetMatrixItem::focusColumn ( )

Returns the index of the column containing the matrix item.

This method must be called only when the item has the focus.

Returns: The index of the column containing the matrix item when this item has the focus.

See also: focusRow(), IlvMatrix::setFocus(IlUShort, IlUShort).

§ focusRow()

IlUShort IlvGadgetMatrixItem::focusRow ( )

Returns the index of the row containing the matrix item.

This method must be called only when the item has the focus.

Returns: The index of the row containing the matrix item when this item has the focus.

See also: focusColumn(), IlvMatrix::setFocus(IlUShort, IlUShort).

§ getGadget()

IlvGadget* IlvGadgetMatrixItem::getGadget ( ) const

Returns a pointer to the gadget stored in this matrix item.

Returns: A pointer to the gadget stored in this matrix item.

§ getLabel()

virtual const char* IlvGadgetMatrixItem::getLabel ( ) const

virtual

Returns the label that identifies this matrix item.

Returns: The label that identifies this matrix item. The returned string must not be deleted or modified.

See also: setLabel().

Reimplemented from IlvGraphicMatrixItem.

§ hasFocus()

IlBoolean IlvGadgetMatrixItem::hasFocus ( ) const

Indicates whether the gadget in the matrix item has the focus.

Returns: IlTrue if the gadget has the focus and IlFalse otherwise. When a gadget has the focus, it receives all the keyboard events.

See also: IlvMatrix::setFocus(IlUShort, IlUShort).

§ isInteractive()

IlBoolean IlvGadgetMatrixItem::isInteractive ( ) const

Indicates whether the gadget stored in this matrix item is active.

Returns: IlTrue if the gadget stored in this matrix item is active. When a gadget is active, events are sent to its handleEvent() method.

See also: setInteractive().

§ minimumSize()

virtual void IlvGadgetMatrixItem::minimumSize	(	const IlvMatrix *	matrix,
		IlvDim &	width,
		IlvDim &	height
	)		const

virtual

Returns the preferred size of the item.

The preferred size is the size that the item must have for its content to be entirely visible. Uses width and height to return the preferred size of this item when stored in matrix. This method is called by the member functions IlvMatrix::getColumnFittingSize and IlvMatrix::getRowFittingSize.

Parameters

matrix	The matrix to which the item belongs.
width	The returned preferred width of the item.
height	The returned preferred height of the item.

See also: IlvMatrix::getColumnFittingSize(), IlvMatrix::getRowFittingSize().

Reimplemented from IlvGraphicMatrixItem.

§ setGadget()

void IlvGadgetMatrixItem::setGadget ( IlvGadget * gadget )

Sets the gadget stored in this matrix item.

The old gadget that was stored in this matrix item is deleted.

Parameters

gadget The new gadget.

See also: getGadget().

§ setInteractive()

void IlvGadgetMatrixItem::setInteractive ( IlBoolean val )

Specifies whether the gadget stored in this matrix item should be active.

This method has the same function as IlvGadget::setActive(). Though in this situation the information is directly managed by the IlvGadgetMatrixItem instance.

Parameters

val	Specifies whether the gadget stored in this matrix item should be active (`IlTrue`) or not (`IlFalse`).

See also: isInteractive(), IlvGadget::isActive().

§ setLabel()

virtual void IlvGadgetMatrixItem::setLabel	(	const char *	label,
		IlBoolean	copy = `IlTrue`
	)

virtual

Sets the label of the matrix item.

Parameters

label	The label of the matrix item.
copy	Specifies whether a label should be copied. If the value is `IlFalse`, then you must allocate some memory for the label because in any case the label characters are deleted from the memory by the `IlvAbstractMatrixItem`.

See also: getLabel().

Reimplemented from IlvGraphicMatrixItem.

§ write()

virtual void IlvGadgetMatrixItem::write ( IlvOutputFile & file ) const

virtual

Writes an object description to a file.

Writes out, in a file, the object description. This description contains all the information necessary to create an exact copy of this object by means of the member function readItem().

Parameters

file	The name of the file to be written to.

See also: DeclareMatrixItemInfoRO(), DeclareMatrixItemInfo(), IlvPredefinedMatrixItemIOMembers().

Reimplemented from IlvGraphicMatrixItem.

Public Member Functions

Additional Inherited Members

Detailed Description

Accessors

Constructor & Destructor Documentation

§ IlvGadgetMatrixItem()

Member Function Documentation

§ copy()

§ draw()

§ focusColumn()

§ focusRow()

§ getGadget()

§ getLabel()

§ hasFocus()

§ isInteractive()

§ minimumSize()

§ setGadget()

§ setInteractive()

§ setLabel()

§ write()