casa::QtLayeredLayout Class Reference

Subclass of QLayout to have multiple widgets layered on top of each other. More...

#include <QtLayeredLayout.h>

List of all members.

Public Member Functions
	QtLayeredLayout ()
	Non-Static //.
	QtLayeredLayout (QWidget *parent)
	Constructor which takes a parent (cannot be null).
	~QtLayeredLayout ()
	Destructor.
QRect	geometry () const
	QLayoutItem Methods //.
bool	isEmpty () const
	Implements QLayoutItem::isEmpty().
void	setGeometry (const QRect &r)
	Implements QLayoutItem::setGeometry().
QSize	sizeHint () const
	Implements QLayoutItem::sizeHint().
virtual bool	eventFilter (QObject *watched, QEvent *event)
	QObject Methods //.
void	addItem (QLayoutItem *item)
	QLayout Methods //.
int	count () const
	Implements QLayout::count().
Qt::Orientations	expandingDirections () const
	Overrides QLayout::expandingDirections().
int	indexOf (QWidget *widget) const
	Overrides QLayout::indexOf().
QLayoutItem *	itemAt (int index) const
	Implements QLayout::itemAt().
QSize	maximumSize () const
	Overrides QLayout::maximumSize().
QSize	minimumSize () const
	Overrides QLayout::minimumSize().
QLayoutItem *	takeAt (int index)
	Implements QLayout::takeAt().
void	insertItem (int index, QLayoutItem *item)
	QtLayeredLayout Methods //.
void	insertWidget (int index, QWidget *widget)
Static Public Member Functions
static bool	propagateEventType (QEvent::Type type)
	Static //.
Private Member Functions
void	installOrRemoveSelf (QLayoutItem *item, bool install)
	Installs or removes this layout as an event filter on the given item.
void	redoParentStack ()
	Redoes the sibling widget stack in the parent, if applicable.
int	layeredIndexOf (QWidget *widget) const
	Returns the layered index of the given widget, using recursive parameters.
Static Private Member Functions
static int	layeredIndexOf (QWidget *widget, QLayoutItem *item)
Private Attributes
QList< QLayoutItem * >	itsItems_
QRect	itsGeometry_
	Last set geometry.
bool	itsPropagateEvents_
	Flag to propagate events or not.

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Detailed Description

Subclass of QLayout to have multiple widgets layered on top of each other.

Since the top widget will be the only one who receives certain types of Qt events, the layout can also propagate events to lower children if desired. NOTE: EVENT PROPAGATION IS NOT CURRENTLY WORKING.

Definition at line 44 of file QtLayeredLayout.h.

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Constructor & Destructor Documentation

casa::QtLayeredLayout::QtLayeredLayout

(

)

Non-Static //.

Constructor which takes no parent.

casa::QtLayeredLayout::QtLayeredLayout

(

QWidget *

parent

)

Constructor which takes a parent (cannot be null).

casa::QtLayeredLayout::~QtLayeredLayout

(

)

Destructor.

---

Member Function Documentation

void casa::QtLayeredLayout::addItem

(

QLayoutItem *

item

)

QLayout Methods //.

Implements QLayout::addItem(). Does not add duplicates.

int casa::QtLayeredLayout::count

(

)

const

Implements QLayout::count().

virtual bool casa::QtLayeredLayout::eventFilter	(	QObject *	watched,
		QEvent *	event
	)		[virtual]

QObject Methods //.

Overrides QObject::eventFilter() to propagate events as needed.

Qt::Orientations casa::QtLayeredLayout::expandingDirections

(

)

const

Overrides QLayout::expandingDirections().

QRect casa::QtLayeredLayout::geometry

(

)

const

QLayoutItem Methods //.

Implements QLayoutItem::geometry(). Returns the last geometry set using setGeometry().

int casa::QtLayeredLayout::indexOf

(

QWidget *

widget

)

const

Overrides QLayout::indexOf().

void casa::QtLayeredLayout::insertItem	(	int	index,
		QLayoutItem *	item
	)

QtLayeredLayout Methods //.

Inserts the given item at the given index. If index is outside the bounds of the item list, the item is inserted at the end. Null or duplicate items are not inserted.

void casa::QtLayeredLayout::insertWidget	(	int	index,
		QWidget *	widget
	)

void casa::QtLayeredLayout::installOrRemoveSelf	(	QLayoutItem *	item,
		bool	install
	)		[private]

Installs or removes this layout as an event filter on the given item.

bool casa::QtLayeredLayout::isEmpty

(

)

const

Implements QLayoutItem::isEmpty().

QLayoutItem* casa::QtLayeredLayout::itemAt

(

int

index

)

const

Implements QLayout::itemAt().

int casa::QtLayeredLayout::layeredIndexOf

(

QWidget *

widget

)

const [private]

Returns the layered index of the given widget, using recursive parameters.

static int casa::QtLayeredLayout::layeredIndexOf	(	QWidget *	widget,
		QLayoutItem *	item
	)		[static, private]

QSize casa::QtLayeredLayout::maximumSize

(

)

const

Overrides QLayout::maximumSize().

Returns the smallest valid maximum size for its items.

QSize casa::QtLayeredLayout::minimumSize

(

)

const

Overrides QLayout::minimumSize().

Returns the largest valid minimum size for its items.

static bool casa::QtLayeredLayout::propagateEventType

(

QEvent::Type

type

)

[static]

Static //.

Returns true if the given event type is propagate-able, false otherwise.

void casa::QtLayeredLayout::redoParentStack

(

)

[private]

Redoes the sibling widget stack in the parent, if applicable.

void casa::QtLayeredLayout::setGeometry

(

const QRect &

r

)

Implements QLayoutItem::setGeometry().

Sets the geometry of all children to the given.

QSize casa::QtLayeredLayout::sizeHint

(

)

const

Implements QLayoutItem::sizeHint().

Returns minimumSizeHint().

QLayoutItem* casa::QtLayeredLayout::takeAt

(

int

index

)

Implements QLayout::takeAt().

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Member Data Documentation

QRect casa::QtLayeredLayout::itsGeometry_ [private]

Last set geometry.

Definition at line 131 of file QtLayeredLayout.h.

QList<QLayoutItem*> casa::QtLayeredLayout::itsItems_ [private]

Items.

Definition at line 128 of file QtLayeredLayout.h.

bool casa::QtLayeredLayout::itsPropagateEvents_ [private]

Flag to propagate events or not.

Definition at line 134 of file QtLayeredLayout.h.

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The documentation for this class was generated from the following file:

• code/casaqt/QtUtilities/QtLayeredLayout.h