Base class for list box items. More...

Collaboration diagram for CEGUI::TreeItem:

Public Types
typedef std::vector< TreeItem * >	LBItemList

Public Member Functions
	TreeItem (const String &text, uint item_id=0, void *item_data=0, bool disabled=false, bool auto_delete=true)
	base class constructor

virtual	~TreeItem (void)
	base class destructor

Font *	getFont (void) const
	Return a pointer to the font being used by this ListboxTextItem. More...

ColourRect	getTextColours (void) const
	Return the current colours used for text rendering. More...

void	setFont (Font *font)
	Set the font to be used by this ListboxTextItem. More...

void	setFont (const String &font_name)
	Set the font to be used by this ListboxTextItem. More...

void	setTextColours (const ColourRect &cols)
	Set the colours used for text rendering. More...

void	setTextColours (colour top_left_colour, colour top_right_colour, colour bottom_left_colour, colour bottom_right_colour)
	Set the colours used for text rendering. More...

void	setTextColours (colour col)
	Set the colours used for text rendering. More...

const String &	getText (void) const
	return the text string set for this list box item. More...

const String &	getTooltipText (void) const

uint	getID (void) const
	Return the current ID assigned to this list box item. More...

void *	getUserData (void) const
	Return the pointer to any client assigned user data attached to this lis box item. More...

bool	isSelected (void) const
	return whether this item is selected. More...

bool	isDisabled (void) const
	return whether this item is disabled. More...

bool	isAutoDeleted (void) const
	return whether this item will be automatically deleted when the list box it is attached to is destroyed, or when the item is removed from the list box. More...

const Window *	getOwnerWindow (void)
	Get the owner window for this TreeItem. More...

ColourRect	getSelectionColours (void) const
	Return the current colours used for selection highlighting. More...

const Image *	getSelectionBrushImage (void) const
	Return the current selection highlighting brush. More...

void	setText (const String &text)
	set the text string for this list box item. More...

void	setTooltipText (const String &text)

void	setID (uint item_id)
	Set the ID assigned to this list box item. More...

void	setUserData (void *item_data)
	Set the client assigned user data attached to this lis box item. More...

void	setSelected (bool setting)
	set whether this item is selected. More...

void	setDisabled (bool setting)
	set whether this item is disabled. More...

void	setAutoDeleted (bool setting)
	Set whether this item will be automatically deleted when the list box it is attached to is destroyed, or when the item is removed from the list box. More...

void	setOwnerWindow (const Window *owner)
	Set the owner window for this TreeItem. This is called by all the list box widgets when an item is added or inserted. More...

void	setSelectionColours (const ColourRect &cols)
	Set the colours used for selection highlighting. More...

void	setSelectionColours (colour top_left_colour, colour top_right_colour, colour bottom_left_colour, colour bottom_right_colour)
	Set the colours used for selection highlighting. More...

void	setSelectionColours (colour col)
	Set the colours used for selection highlighting. More...

void	setSelectionBrushImage (const Image *image)
	Set the selection highlighting brush image. More...

void	setSelectionBrushImage (const String &imageset, const String &image)
	Set the selection highlighting brush image. More...

void	setButtonLocation (Rect &buttonOffset)
	Tell the treeItem where its button is located. Calculated and set in Tree.cpp. More...

Rect &	getButtonLocation (void)

bool	getIsOpen (void)

void	toggleIsOpen (void)

TreeItem *	getTreeItemFromIndex (size_t itemIndex)

size_t	getItemCount (void) const

LBItemList &	getItemList (void)

void	addItem (TreeItem *item)

void	setIcon (const Image &theIcon)

virtual Size	getPixelSize (void) const
	Return the rendered pixel size of this list box item. More...

virtual void	draw (const Vector3 &position, float alpha, const Rect &clipper) const
	Draw the list box item in its current state. More...

virtual void	draw (RenderCache &cache, const Rect &targetRect, float zBase, float alpha, const Rect *clipper) const

virtual bool	operator< (const TreeItem &rhs) const
	Less-than operator, compares item texts.

virtual bool	operator> (const TreeItem &rhs) const
	Greater-than operator, compares item texts.

Static Public Attributes
static const colour	DefaultTextColour = 0xFFFFFFFF
	Default text colour.

static const colour	DefaultSelectionColour = 0xFF4444AA
	Default selection brush colour.

Protected Member Functions
ColourRect	getModulateAlphaColourRect (const ColourRect &cols, float alpha) const
	Return a ColourRect object describing the colours in cols after having their alpha component modulated by the value alpha.

colour	calculateModulatedAlphaColour (colour col, float alpha) const
	Return a colour value describing the colour specified by col after having its alpha component modulated by the value alpha.

Protected Attributes
String	d_itemText
	Text for this list box item. If not rendered, this is still used for list sorting.

String	d_tooltipText
	Text for the individual tooltip of this item.

uint	d_itemID
	ID code assigned by client code. This has no meaning within the GUI system.

void *	d_itemData
	Pointer to some client code data. This has no meaning within the GUI system.

bool	d_selected
	true if this item is selected. false if the item is not selected.

bool	d_disabled
	true if this item is disabled. false if the item is not disabled.

bool	d_autoDelete
	true if the system should destroy this item, false if client code will destroy the item.

Rect	d_buttonLocation

const Window *	d_owner
	Pointer to the window that owns this item.

ColourRect	d_selectCols
	Colours used for selection highlighting.

const Image *	d_selectBrush
	Image used for rendering selection.

ColourRect	d_textCols
	Colours used for rendering the text.

Font *	d_font
	Font used for rendering text.

Image *	d_iconImage
	Icon to be displayed with this treeItem.

LBItemList	d_listItems
	list of items in this item's tree branch.

bool	d_isOpen
	true if the this item's tree branch is opened

Detailed Description

Base class for list box items.

Member Function Documentation

void CEGUI::TreeItem::draw	(	const Vector3 &	position,
		float	alpha,
		const Rect &	clipper
	)		const

virtual

Draw the list box item in its current state.

Parameters

position	Vecor3 object describing the upper-left corner of area that should be rendered in to for the draw operation.
alpha	Alpha value to be used when rendering the item (between 0.0f and 1.0f).
clipper	Rect object describing the clipping rectangle for the draw operation.

Returns: Nothing.

References d_itemText, d_selectBrush, d_selectCols, d_selected, d_textCols, CEGUI::Image::draw(), CEGUI::Font::drawText(), CEGUI::Font::getBaseline(), getFont(), CEGUI::Font::getLineSpacing(), and getModulateAlphaColourRect().

Font * CEGUI::TreeItem::getFont ( void ) const

Return a pointer to the font being used by this ListboxTextItem.

This method will try a number of places to find a font to be used. If no font can be found, NULL is returned.

Returns: Font to be used for rendering this item

References d_font, d_owner, CEGUI::System::getDefaultFont(), CEGUI::Window::getFont(), and CEGUI::System::getSingleton().

Referenced by draw(), getPixelSize(), and setFont().

uint CEGUI::TreeItem::getID ( void ) const

inline

Return the current ID assigned to this list box item.

Note that the system does not make use of this value, client code can assign any meaning it wishes to the ID.

Returns: ID code currently assigned to this list box item

const Window* CEGUI::TreeItem::getOwnerWindow ( void )

inline

Get the owner window for this TreeItem.

The owner of a TreeItem is typically set by the list box widgets when an item is added or inserted.

Returns: Ponter to the window that is considered the owner of this TreeItem.

Size CEGUI::TreeItem::getPixelSize ( void ) const

virtual

Return the rendered pixel size of this list box item.

Returns: Size object describing the size of the list box item in pixels.

References d_itemText, getFont(), CEGUI::Font::getLineSpacing(), and CEGUI::Font::getTextExtent().

Referenced by CEGUI::Tree::ensureItemIsVisible().

const Image* CEGUI::TreeItem::getSelectionBrushImage ( void ) const

inline

Return the current selection highlighting brush.

Returns: Pointer to the Image object currently used for selection highlighting.

ColourRect CEGUI::TreeItem::getSelectionColours ( void ) const

inline

Return the current colours used for selection highlighting.

Returns: ColourRect object describing the currently set colours

const String& CEGUI::TreeItem::getText ( void ) const

inline

return the text string set for this list box item.

Note that even if the item does not render text, the text string can still be useful, since it is used for sorting list box items.

Returns: String object containing the current text for the list box item.

Referenced by operator<(), and operator>().

ColourRect CEGUI::TreeItem::getTextColours ( void ) const

inline

Return the current colours used for text rendering.

Returns: ColourRect object describing the currently set colours

void* CEGUI::TreeItem::getUserData ( void ) const

inline

Return the pointer to any client assigned user data attached to this lis box item.

Note that the system does not make use of this data, client code can assign any meaning it wishes to the attached data.

Returns: Pointer to the currently assigned user data.

bool CEGUI::TreeItem::isAutoDeleted ( void ) const

inline

return whether this item will be automatically deleted when the list box it is attached to is destroyed, or when the item is removed from the list box.

Returns: true if the item object will be deleted by the system when the list box it is attached to is destroyed, or when the item is removed from the list. false if client code must destroy the item after it is removed from the list.

Referenced by CEGUI::Tree::removeItem().

bool CEGUI::TreeItem::isDisabled ( void ) const

inline

return whether this item is disabled.

Returns: true if the item is disabled, false if the item is enabled.

bool CEGUI::TreeItem::isSelected ( void ) const

inline

return whether this item is selected.

Returns: true if the item is selected, false if the item is not selected.

Referenced by CEGUI::Tree::onMouseButtonDown().

void CEGUI::TreeItem::setAutoDeleted ( bool setting )

inline

Set whether this item will be automatically deleted when the list box it is attached to is destroyed, or when the item is removed from the list box.

Parameters

setting true if the item object should be deleted by the system when the list box it is attached to is destroyed, or when the item is removed from the list. false if client code will destroy the item after it is removed from the list.

Returns: Nothing.

void CEGUI::TreeItem::setButtonLocation ( Rect & buttonOffset )

inline

Tell the treeItem where its button is located. Calculated and set in Tree.cpp.

Parameters

buttonOffset Location of the button in screenspace.

void CEGUI::TreeItem::setDisabled ( bool setting )

inline

set whether this item is disabled.

Parameters

setting true if the item is disabled, false if the item is enabled.

Returns: Nothing.

void CEGUI::TreeItem::setFont ( Font * font )

inline

Set the font to be used by this ListboxTextItem.

Parameters

font	Font to be used for rendering this item

Returns: Nothing

Referenced by setFont().

void CEGUI::TreeItem::setFont ( const String & font_name )

Set the font to be used by this ListboxTextItem.

Parameters

font_name String object containing the name of the Font to be used for rendering this item

Returns: Nothing

References getFont(), and setFont().

void CEGUI::TreeItem::setID ( uint item_id )

inline

Set the ID assigned to this list box item.

Note that the system does not make use of this value, client code can assign any meaning it wishes to the ID.

Parameters

item_id ID code to be assigned to this list box item

Returns: Nothing.

void CEGUI::TreeItem::setOwnerWindow ( const Window * owner )

inline

Set the owner window for this TreeItem. This is called by all the list box widgets when an item is added or inserted.

Parameters

owner Ponter to the window that should be considered the owner of this TreeItem.

Returns: Nothing

Referenced by CEGUI::Tree::addItem(), and CEGUI::Tree::insertItem().

void CEGUI::TreeItem::setSelected ( bool setting )

inline

set whether this item is selected.

Parameters

setting true if the item is selected, false if the item is not selected.

Returns: Nothing.

Referenced by CEGUI::Tree::onMouseButtonDown(), and CEGUI::Tree::setMultiselectEnabled().

void CEGUI::TreeItem::setSelectionBrushImage ( const Image * image )

inline

Set the selection highlighting brush image.

Parameters

image Pointer to the Image object to be used for selection highlighting.

Returns: Nothing.

Referenced by setSelectionBrushImage().

void CEGUI::TreeItem::setSelectionBrushImage	(	const String &	imageset,
		const String &	image
	)

Set the selection highlighting brush image.

Parameters

imageset	Name of the imagest containing the image to be used.
image	Name of the image to be used

Returns: Nothing.

References setSelectionBrushImage().

void CEGUI::TreeItem::setSelectionColours ( const ColourRect & cols )

inline

Set the colours used for selection highlighting.

Parameters

cols	ColourRect object describing the colours to be used.

Returns: Nothing.

void CEGUI::TreeItem::setSelectionColours	(	colour	top_left_colour,
		colour	top_right_colour,
		colour	bottom_left_colour,
		colour	bottom_right_colour
	)

Set the colours used for selection highlighting.

Parameters

top_left_colour	Colour (as ARGB value) to be applied to the top-left corner of the selection area.
top_right_colour	Colour (as ARGB value) to be applied to the top-right corner of the selection area.
bottom_left_colour	Colour (as ARGB value) to be applied to the bottom-left corner of the selection area.
bottom_right_colour	Colour (as ARGB value) to be applied to the bottom-right corner of the selection area.

Returns: Nothing.

References d_selectCols.

void CEGUI::TreeItem::setSelectionColours ( colour col )

inline

Set the colours used for selection highlighting.

Parameters

col	colour value to be used when rendering.

Returns: Nothing.

References setSelectionColours().

Referenced by setSelectionColours().

void CEGUI::TreeItem::setText ( const String & text )

inline

set the text string for this list box item.

Note that even if the item does not render text, the text string can still be useful, since it is used for sorting list box items.

Parameters

text	String object containing the text to set for the list box item.

Returns: Nothing.

void CEGUI::TreeItem::setTextColours ( const ColourRect & cols )

inline

Set the colours used for text rendering.

Parameters

cols	ColourRect object describing the colours to be used.

Returns: Nothing.

void CEGUI::TreeItem::setTextColours	(	colour	top_left_colour,
		colour	top_right_colour,
		colour	bottom_left_colour,
		colour	bottom_right_colour
	)

Set the colours used for text rendering.

Parameters

top_left_colour	Colour (as ARGB value) to be applied to the top-left corner of each text glyph rendered.
top_right_colour	Colour (as ARGB value) to be applied to the top-right corner of each text glyph rendered.
bottom_left_colour	Colour (as ARGB value) to be applied to the bottom-left corner of each text glyph rendered.
bottom_right_colour	Colour (as ARGB value) to be applied to the bottom-right corner of each text glyph rendered.

Returns: Nothing.

References d_textCols.

void CEGUI::TreeItem::setTextColours ( colour col )

inline

Set the colours used for text rendering.

Parameters

col	colour value to be used when rendering.

Returns: Nothing.

References setTextColours().

Referenced by setTextColours().

void CEGUI::TreeItem::setUserData ( void * item_data )

inline

Set the client assigned user data attached to this lis box item.

Note that the system does not make use of this data, client code can assign any meaning it wishes to the attached data.

Parameters

item_data Pointer to the user data to attach to this list item.

Returns: Nothing.

Public Types

Public Member Functions

Static Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation