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QWidget Class Reference

Common super class for all widgets. Here is also the basic implementation of event passing and dragging. More...

#include <QWidget.h>

Inheritance diagram for QWidget:

[legend]Collaboration diagram for QWidget:


Public Methods
virtual void	add (QWidget *widget)
	adds given widget to the children
virtual void	remove (QWidget *widget)
	removes given widget from the children
virtual void	freeWidget (QWidget *widget)
	sends request for freeing a widget to parent
void	clearFocusPath ()
	clears the focus path by setting it to 0 recursively
bool	getFocused ()
	returns true if widget has keyboard focus
void	free ()
	frees the widget and all resources. This method must be used insted of explicit delete
bool	event (QEvent *e)
	primary event receiver method. Returns true, if event was handled. In this case the event won't be passed to next child
virtual void	redraw ()
	post request for redisplay
bool	eventToChildren (QEvent *e)
	sends the event to each child. Returns true if event was handled
bool	eventToChildrenReversed (QEvent *e)
	sends the event to each child in reversed order. Returns true if event was handled
virtual void	bringToFront (QWidget *widget)
	brings the given widget to the front. Must be a child widget
bool	isInFront (QWidget *widget)
	Returns true if a given widget is in front.
bool	handleKeyboardEvent (QEvent *e)
	handles the keyboard event
bool	handleMouseEvent (QEvent *e)
	handles the mouse event for this widget
void	handleDragging (QEvent *e)
	handles the dragging
void	doFocus (QEvent *e)
	tries to set focus to the current widget
virtual void	requestFocus (QWidget Sender, QWidget FocusedWidget)
	called if Sender wants to announce new focused control
void	changeContext ()
	changes the global drawing context
void	restoreContext ()
	restores the global drawing context
void	freeChildren ()
	calls delete for every child widget
virtual void	draw (QEvent *e)
	draws itself with OpenGL. Here is the OpenGL drawing code
virtual void	layout ()
	layout the children widgets. This method is called every time the size is changed. Have to be overwritten for respond on size changes
virtual bool	canDrag (QEvent *e)
	have to return true if widget should be dragged with mouse. This method is overwritten in sub classes. If returns true, widget will be dragged
virtual bool	processEvent (QEvent *e)
	processing mouse/keyboard events which are in widgets region. Mouse coordinates are relative to Owner
virtual bool	processMouseOwner (QEvent *e)
	processing mouse events which are in Owner widget region. Mouse coordinates are relative to Owner
virtual void	childrenChanged ()
	called if a child is added/removed
virtual bool	canFocus (QEvent *e)
	defines whether control can have keyboard focus. Should return true if Widget wants to get keyboard focus
virtual void	Init ()
	initialization code
virtual void	CleanUp ()
	clean up code
virtual int	getWidth ()
	getter method for Width
virtual void	setWidth (int newValue)
	setter method for Width
virtual int	getHeight ()
	getter method for Height
virtual void	setHeight (int newValue)
	setter method for Height
virtual int	getTop ()
	getter method for Top
virtual void	setTop (int newValue)
	setter method for Top
virtual int	getLeft ()
	getter method for Left
virtual void	setLeft (int newValue)
	setter method for Left
virtual int	getMinWidth ()
	getter method for MinWidth
virtual void	setMinWidth (int newValue)
	setter method for MinWidth
virtual int	getMinHeight ()
	getter method for MinHeight
virtual void	setMinHeight (int newValue)
	setter method for MinHeight
virtual int	getClientBorderLeft ()
	getter method for ClientBorderLeft
virtual void	setClientBorderLeft (int newValue)
	setter method for ClientBorderLeft
virtual int	getClientBorderRight ()
	getter method for ClientBorderRight
virtual void	setClientBorderRight (int newValue)
	setter method for ClientBorderRight
virtual int	getClientBorderTop ()
	getter method for ClientBorderTop
virtual void	setClientBorderTop (int newValue)
	setter method for ClientBorderTop
virtual int	getClientBorderBottom ()
	getter method for ClientBorderBottom
virtual void	setClientBorderBottom (int newValue)
	setter method for ClientBorderBottom
virtual bool	getEnabled ()
	getter method for Enabled
virtual void	setEnabled (bool newValue)
	setter method for Enabled
virtual bool	getVisible ()
	getter method for Visible
virtual void	setVisible (bool newValue)
	setter method for Visible
virtual QLookAndFeel *	getLookAndFeel ()
	getter method for LookAndFeel
virtual void	setLookAndFeel (QLookAndFeel *newValue)
	setter method for LookAndFeel
virtual QWidget *	getOwner ()
	getter method for Owner
virtual void	setOwner (QWidget *newValue)
	setter method for Owner
virtual QWidget *	getFocusPath ()
	getter method for FocusPath
virtual void	setFocusPath (QWidget *newValue)
	setter method for FocusPath
void	print ()
	prints itself to the cout
	QWidget (QWidget *aOwner)
	Constructor.
virtual	~QWidget ()
	Destructor.
virtual void	add (QWidget *widget)
	adds given widget to the children
virtual void	remove (QWidget *widget)
	removes given widget from the children
virtual void	freeWidget (QWidget *widget)
	sends request for freeing a widget to parent
void	clearFocusPath ()
	clears the focus path by setting it to 0 recursively
bool	getFocused ()
	returns true if widget has keyboard focus
void	free ()
	frees the widget and all resources. This method must be used insted of explicit delete
bool	event (QEvent *e)
	primary event receiver method. Returns true, if event was handled. In this case the event won't be passed to next child
virtual void	redraw ()
	post request for redisplay
bool	eventToChildren (QEvent *e)
	sends the event to each child. Returns true if event was handled
bool	eventToChildrenReversed (QEvent *e)
	sends the event to each child in reversed order. Returns true if event was handled
virtual void	bringToFront (QWidget *widget)
	brings the given widget to the front. Must be a child widget
bool	isInFront (QWidget *widget)
	Returns true if a given widget is in front.
bool	handleKeyboardEvent (QEvent *e)
	handles the keyboard event
bool	handleMouseEvent (QEvent *e)
	handles the mouse event for this widget
void	handleDragging (QEvent *e)
	handles the dragging
void	doFocus (QEvent *e)
	tries to set focus to the current widget
virtual void	requestFocus (QWidget Sender, QWidget FocusedWidget)
	called if Sender wants to announce new focused control
void	changeContext ()
	changes the global drawing context
void	restoreContext ()
	restores the global drawing context
void	freeChildren ()
	calls delete for every child widget
virtual void	draw (QEvent *e)
	draws itself with OpenGL. Here is the OpenGL drawing code
virtual void	layout ()
	layout the children widgets. This method is called every time the size is changed. Have to be overwritten for respond on size changes
virtual bool	canDrag (QEvent *e)
	have to return true if widget should be dragged with mouse. This method is overwritten in sub classes. If returns true, widget will be dragged
virtual bool	processEvent (QEvent *e)
	processing mouse/keyboard events which are in widgets region. Mouse coordinates are relative to Owner
virtual bool	processMouseOwner (QEvent *e)
	processing mouse events which are in Owner widget region. Mouse coordinates are relative to Owner
virtual void	childrenChanged ()
	called if a child is added/removed
virtual bool	canFocus (QEvent *e)
	defines whether control can have keyboard focus. Should return true if Widget wants to get keyboard focus
virtual void	Init ()
	initialization code
virtual void	CleanUp ()
	clean up code
virtual int	getWidth ()
	getter method for Width
virtual void	setWidth (int newValue)
	setter method for Width
virtual int	getHeight ()
	getter method for Height
virtual void	setHeight (int newValue)
	setter method for Height
virtual int	getTop ()
	getter method for Top
virtual void	setTop (int newValue)
	setter method for Top
virtual int	getLeft ()
	getter method for Left
virtual void	setLeft (int newValue)
	setter method for Left
virtual int	getMinWidth ()
	getter method for MinWidth
virtual void	setMinWidth (int newValue)
	setter method for MinWidth
virtual int	getMinHeight ()
	getter method for MinHeight
virtual void	setMinHeight (int newValue)
	setter method for MinHeight
virtual int	getClientBorderLeft ()
	getter method for ClientBorderLeft
virtual void	setClientBorderLeft (int newValue)
	setter method for ClientBorderLeft
virtual int	getClientBorderRight ()
	getter method for ClientBorderRight
virtual void	setClientBorderRight (int newValue)
	setter method for ClientBorderRight
virtual int	getClientBorderTop ()
	getter method for ClientBorderTop
virtual void	setClientBorderTop (int newValue)
	setter method for ClientBorderTop
virtual int	getClientBorderBottom ()
	getter method for ClientBorderBottom
virtual void	setClientBorderBottom (int newValue)
	setter method for ClientBorderBottom
virtual bool	getEnabled ()
	getter method for Enabled
virtual void	setEnabled (bool newValue)
	setter method for Enabled
virtual bool	getVisible ()
	getter method for Visible
virtual void	setVisible (bool newValue)
	setter method for Visible
virtual QLookAndFeel *	getLookAndFeel ()
	getter method for LookAndFeel
virtual void	setLookAndFeel (QLookAndFeel *newValue)
	setter method for LookAndFeel
virtual QWidget *	getOwner ()
	getter method for Owner
virtual void	setOwner (QWidget *newValue)
	setter method for Owner
virtual QWidget *	getFocusPath ()
	getter method for FocusPath
virtual void	setFocusPath (QWidget *newValue)
	setter method for FocusPath
void	print ()
	prints itself to the cout
	QWidget (QWidget *aOwner)
	Constructor.
virtual	~QWidget ()
	Destructor.
Data Fields
void(*	onClick )(QWidget , QEvent )
	event handler for mouse click
void(*	onMouseDown )(QWidget , QEvent )
	event handler for mouse down
void(*	onMouseUp )(QWidget , QEvent )
	event handler for mouse up
void(*	onMouseMove )(QWidget , QEvent )
	event handler for mouse up
void(*	onKey )(QWidget , QEvent )
	event handler for keyboard
void(*	onCustomDraw )(QWidget , QEvent )
	event handler for custom drawings
void(*	onResize )(QWidget *)
	event handler for handling the changes of position and size
Protected Attributes
int	Width
	width of widget
int	Height
	height of widget
int	Top
	top offset
int	Left
	left offset
int	MinWidth
	minimum width of widget
int	MinHeight
	minimum height of widget
int	ClientBorderLeft
	left border to client region
int	ClientBorderRight
	right border to client region
int	ClientBorderTop
	top border to client region
int	ClientBorderBottom
	botom border to client region
bool	Enabled
	enabled status
bool	Visible
	visible status
bool	Dragging
	dragging status
QLookAndFeel *	LookAndFeel
	Look and Feel.
QWidget *	Owner
	Owner of this widget.
QWidget *	FocusPath
	Defines the child widget to which keyboard events should be passed.
list< QWidget * >	Children
	list of children widgets
QLookAndFeel *	LookAndFeel
	Look and Feel.
QWidget *	Owner
	Owner of this widget.
QWidget *	FocusPath
	Defines the child widget to which keyboard events should be passed.
list< QWidget * >	Children
	list of children widgets
Private Attributes
int	DragStartX
	dragging position x
int	DragStartY
	dragging position y

Detailed Description

Common super class for all widgets. Here is also the basic implementation of event passing and dragging.

Definition at line 20 of file QWidget.h.

Constructor & Destructor Documentation

QWidget::QWidget ( QWidget * aOwner )

Constructor.

Definition at line 607 of file QWidget.cpp.
References getClientBorderTop().

QWidget::~QWidget ( ) [virtual]

Destructor.

Definition at line 641 of file QWidget.cpp.

QWidget::QWidget ( QWidget * aOwner )

Constructor.

virtual QWidget::~QWidget ( ) [virtual]

Destructor.

Member Function Documentation

virtual void QWidget::add ( QWidget * widget ) [virtual]

adds given widget to the children

void QWidget::add ( QWidget * widget ) [virtual]

adds given widget to the children

Definition at line 14 of file QWidget.cpp.
References Children, and childrenChanged().

virtual void QWidget::bringToFront ( QWidget * widget ) [virtual]

brings the given widget to the front. Must be a child widget

Reimplemented in QToolBar, and QToolBar.

void QWidget::bringToFront ( QWidget * widget ) [virtual]

brings the given widget to the front. Must be a child widget

Reimplemented in QToolBar, and QToolBar.
Definition at line 143 of file QWidget.cpp.
References Children.
Referenced by doFocus().

virtual bool QWidget::canDrag ( QEvent * e ) [virtual]

have to return true if widget should be dragged with mouse. This method is overwritten in sub classes. If returns true, widget will be dragged

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

bool QWidget::canDrag ( QEvent * e ) [virtual]

have to return true if widget should be dragged with mouse. This method is overwritten in sub classes. If returns true, widget will be dragged

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 349 of file QWidget.cpp.
Referenced by handleMouseEvent().

virtual bool QWidget::canFocus ( QEvent * e ) [virtual]

defines whether control can have keyboard focus. Should return true if Widget wants to get keyboard focus

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

bool QWidget::canFocus ( QEvent * e ) [virtual]

defines whether control can have keyboard focus. Should return true if Widget wants to get keyboard focus

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 372 of file QWidget.cpp.
Referenced by doFocus().

void QWidget::changeContext ( )

changes the global drawing context

void QWidget::changeContext ( )

changes the global drawing context

Definition at line 314 of file QWidget.cpp.
References Left, and Top.
Referenced by event().

virtual void QWidget::childrenChanged ( ) [virtual]

called if a child is added/removed

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

void QWidget::childrenChanged ( ) [virtual]

called if a child is added/removed

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 367 of file QWidget.cpp.
Referenced by add(), and remove().

virtual void QWidget::CleanUp ( ) [virtual]

clean up code

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

void QWidget::CleanUp ( ) [virtual]

clean up code

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 384 of file QWidget.cpp.

void QWidget::clearFocusPath ( )

clears the focus path by setting it to 0 recursively

void QWidget::clearFocusPath ( )

clears the focus path by setting it to 0 recursively

Definition at line 35 of file QWidget.cpp.
References FocusPath.
Referenced by requestFocus(), and QScreen::requestFocus().

void QWidget::doFocus ( QEvent * e )

tries to set focus to the current widget

void QWidget::doFocus ( QEvent * e )

tries to set focus to the current widget

Definition at line 293 of file QWidget.cpp.
References bringToFront(), canFocus(), Owner, and requestFocus().
Referenced by handleMouseEvent().

virtual void QWidget::draw ( QEvent * e ) [virtual]

draws itself with OpenGL. Here is the OpenGL drawing code

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

void QWidget::draw ( QEvent * e ) [virtual]

draws itself with OpenGL. Here is the OpenGL drawing code

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 337 of file QWidget.cpp.
Referenced by event().

bool QWidget::event ( QEvent * e )

primary event receiver method. Returns true, if event was handled. In this case the event won't be passed to next child

bool QWidget::event ( QEvent * e )

primary event receiver method. Returns true, if event was handled. In this case the event won't be passed to next child

Definition at line 57 of file QWidget.cpp.
References changeContext(), draw(), Enabled, eventToChildrenReversed(), QEvent::getType(), handleKeyboardEvent(), handleMouseEvent(), onCustomDraw, restoreContext(), and Visible.
Referenced by handleKeyboardEvent(), and QScreen::sendEvent().

bool QWidget::eventToChildren ( QEvent * e )

sends the event to each child. Returns true if event was handled

bool QWidget::eventToChildren ( QEvent * e )

sends the event to each child. Returns true if event was handled

Definition at line 117 of file QWidget.cpp.
References Children.
Referenced by handleMouseEvent().

bool QWidget::eventToChildrenReversed ( QEvent * e )

sends the event to each child in reversed order. Returns true if event was handled

bool QWidget::eventToChildrenReversed ( QEvent * e )

sends the event to each child in reversed order. Returns true if event was handled

Definition at line 130 of file QWidget.cpp.
References Children.
Referenced by event().

void QWidget::free ( )

frees the widget and all resources. This method must be used insted of explicit delete

void QWidget::free ( )

frees the widget and all resources. This method must be used insted of explicit delete

Definition at line 51 of file QWidget.cpp.
References freeWidget(), and Owner.
Referenced by CloseButtonHandler().

void QWidget::freeChildren ( )

calls delete for every child widget

void QWidget::freeChildren ( )

calls delete for every child widget

Definition at line 327 of file QWidget.cpp.
References Children.

virtual void QWidget::freeWidget ( QWidget * widget ) [virtual]

sends request for freeing a widget to parent

Reimplemented in QScreen, and QScreen.

void QWidget::freeWidget ( QWidget * widget ) [virtual]

sends request for freeing a widget to parent

Reimplemented in QScreen, and QScreen.
Definition at line 29 of file QWidget.cpp.
References Owner.
Referenced by free().

virtual int QWidget::getClientBorderBottom ( ) [virtual]

getter method for ClientBorderBottom

int QWidget::getClientBorderBottom ( ) [virtual]

getter method for ClientBorderBottom

Definition at line 516 of file QWidget.cpp.
References ClientBorderBottom.
Referenced by handleDragging(), and QWindow::maximize().

virtual int QWidget::getClientBorderLeft ( ) [virtual]

getter method for ClientBorderLeft

int QWidget::getClientBorderLeft ( ) [virtual]

getter method for ClientBorderLeft

Definition at line 480 of file QWidget.cpp.
References ClientBorderLeft.
Referenced by handleDragging(), and QWindow::maximize().

virtual int QWidget::getClientBorderRight ( ) [virtual]

getter method for ClientBorderRight

int QWidget::getClientBorderRight ( ) [virtual]

getter method for ClientBorderRight

Definition at line 492 of file QWidget.cpp.
References ClientBorderRight.
Referenced by handleDragging(), and QWindow::maximize().

virtual int QWidget::getClientBorderTop ( ) [virtual]

getter method for ClientBorderTop

int QWidget::getClientBorderTop ( ) [virtual]

getter method for ClientBorderTop

Definition at line 504 of file QWidget.cpp.
References ClientBorderTop.
Referenced by handleDragging(), QWindow::maximize(), and QWidget().

virtual bool QWidget::getEnabled ( ) [virtual]

getter method for Enabled

bool QWidget::getEnabled ( ) [virtual]

getter method for Enabled

Definition at line 528 of file QWidget.cpp.
References Enabled.

bool QWidget::getFocused ( )

returns true if widget has keyboard focus

bool QWidget::getFocused ( )

returns true if widget has keyboard focus

Definition at line 45 of file QWidget.cpp.
References getFocusPath(), and Owner.
Referenced by QTextEdit::draw(), and QCaptionButton::draw().

virtual QWidget* QWidget::getFocusPath ( ) [virtual]

getter method for FocusPath

QWidget * QWidget::getFocusPath ( ) [virtual]

getter method for FocusPath

Definition at line 576 of file QWidget.cpp.
References FocusPath.
Referenced by QTextEdit::draw(), QWindow::drawFrame(), and getFocused().

virtual int QWidget::getHeight ( ) [virtual]

getter method for Height

int QWidget::getHeight ( ) [virtual]

getter method for Height

Definition at line 408 of file QWidget.cpp.
References Height.
Referenced by QWindow::drawCloseButton(), QWindow::drawMaximizeButton(), handleDragging(), QWindow::Init(), QWindow::maximize(), and QWindow::processMouseOwner().

virtual int QWidget::getLeft ( ) [virtual]

getter method for Left

int QWidget::getLeft ( ) [virtual]

getter method for Left

Definition at line 441 of file QWidget.cpp.
References Left.
Referenced by QWindow::drawFrame(), and QWindow::layout().

virtual QLookAndFeel* QWidget::getLookAndFeel ( ) [virtual]

getter method for LookAndFeel

QLookAndFeel * QWidget::getLookAndFeel ( ) [virtual]

getter method for LookAndFeel

Definition at line 552 of file QWidget.cpp.
References LookAndFeel.

virtual int QWidget::getMinHeight ( ) [virtual]

getter method for MinHeight

int QWidget::getMinHeight ( ) [virtual]

getter method for MinHeight

Definition at line 468 of file QWidget.cpp.
References MinHeight.

virtual int QWidget::getMinWidth ( ) [virtual]

getter method for MinWidth

int QWidget::getMinWidth ( ) [virtual]

getter method for MinWidth

Definition at line 456 of file QWidget.cpp.
References MinWidth.

virtual QWidget* QWidget::getOwner ( ) [virtual]

getter method for Owner

QWidget * QWidget::getOwner ( ) [virtual]

getter method for Owner

Definition at line 564 of file QWidget.cpp.
References Owner.
Referenced by CloseButtonHandler(), drawCloseButtonHandler(), drawMaximizeButtonHandler(), MaximizeButtonHandler(), myMethod1(), and QScreen::sendEvent().

virtual int QWidget::getTop ( ) [virtual]

getter method for Top

int QWidget::getTop ( ) [virtual]

getter method for Top

Definition at line 426 of file QWidget.cpp.
References Top.
Referenced by QWindow::Init().

virtual bool QWidget::getVisible ( ) [virtual]

getter method for Visible

bool QWidget::getVisible ( ) [virtual]

getter method for Visible

Definition at line 540 of file QWidget.cpp.
References Visible.

virtual int QWidget::getWidth ( ) [virtual]

getter method for Width

int QWidget::getWidth ( ) [virtual]

getter method for Width

Definition at line 390 of file QWidget.cpp.
References Width.
Referenced by QWindow::drawCloseButton(), QWindow::drawMaximizeButton(), handleDragging(), QWindow::Init(), QWindow::layout(), QWindow::maximize(), and QWindow::processMouseOwner().

void QWidget::handleDragging ( QEvent * e )

handles the dragging

void QWidget::handleDragging ( QEvent * e )

handles the dragging

Definition at line 266 of file QWidget.cpp.
References DragStartX, DragStartY, getClientBorderBottom(), getClientBorderLeft(), getClientBorderRight(), getClientBorderTop(), getHeight(), getWidth(), QEvent::getX(), QEvent::getY(), Height, Owner, setLeft(), setTop(), and Width.
Referenced by handleMouseEvent().

bool QWidget::handleKeyboardEvent ( QEvent * e )

handles the keyboard event

bool QWidget::handleKeyboardEvent ( QEvent * e )

handles the keyboard event

Definition at line 157 of file QWidget.cpp.
References event(), FocusPath, onKey, and processEvent().
Referenced by event().

bool QWidget::handleMouseEvent ( QEvent * e )

handles the mouse event for this widget

bool QWidget::handleMouseEvent ( QEvent * e )

handles the mouse event for this widget

Definition at line 166 of file QWidget.cpp.
References canDrag(), doFocus(), Dragging, DragStartX, DragStartY, eventToChildren(), QEvent::getType(), QEvent::getX(), QEvent::getY(), handleDragging(), Height, Left, onClick, onMouseDown, onMouseMove, onMouseUp, processEvent(), processMouseOwner(), QEvent::setX(), QEvent::setY(), Top, and Width.
Referenced by event().

virtual void QWidget::Init ( ) [virtual]

initialization code

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

void QWidget::Init ( ) [virtual]

initialization code

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 378 of file QWidget.cpp.
Referenced by QCheckBox::Init().

bool QWidget::isInFront ( QWidget * widget )

Returns true if a given widget is in front.

bool QWidget::isInFront ( QWidget * widget )

Returns true if a given widget is in front.

Definition at line 151 of file QWidget.cpp.
References Children.

virtual void QWidget::layout ( ) [virtual]

layout the children widgets. This method is called every time the size is changed. Have to be overwritten for respond on size changes

Reimplemented in MyWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, MyWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

void QWidget::layout ( ) [virtual]

layout the children widgets. This method is called every time the size is changed. Have to be overwritten for respond on size changes

Reimplemented in MyWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, MyWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 343 of file QWidget.cpp.
Referenced by setHeight(), and setWidth().

void QWidget::print ( )

prints itself to the cout

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

virtual bool QWidget::processEvent ( QEvent * e ) [virtual]

processing mouse/keyboard events which are in widgets region. Mouse coordinates are relative to Owner

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

bool QWidget::processEvent ( QEvent * e ) [virtual]

processing mouse/keyboard events which are in widgets region. Mouse coordinates are relative to Owner

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 355 of file QWidget.cpp.
Referenced by handleKeyboardEvent(), and handleMouseEvent().

virtual bool QWidget::processMouseOwner ( QEvent * e ) [virtual]

processing mouse events which are in Owner widget region. Mouse coordinates are relative to Owner

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.

bool QWidget::processMouseOwner ( QEvent * e ) [virtual]

processing mouse events which are in Owner widget region. Mouse coordinates are relative to Owner

Reimplemented in QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, QWindow, QButton, QCaptionButton, QCheckBox, QRadioButton, QScreen, QTextEdit, QToolBar, and QWindow.
Definition at line 361 of file QWidget.cpp.
Referenced by handleMouseEvent().

virtual void QWidget::redraw ( ) [virtual]

post request for redisplay

Reimplemented in QScreen, and QScreen.

void QWidget::redraw ( ) [virtual]

post request for redisplay

Reimplemented in QScreen, and QScreen.
Definition at line 111 of file QWidget.cpp.
References Owner.

virtual void QWidget::remove ( QWidget * widget ) [virtual]

removes given widget from the children

Reimplemented in QScreen, and QScreen.

void QWidget::remove ( QWidget * widget ) [virtual]

removes given widget from the children

Reimplemented in QScreen, and QScreen.
Definition at line 21 of file QWidget.cpp.
References Children, childrenChanged(), and FocusPath.
Referenced by QScreen::remove(), and QScreen::sendEvent().

virtual void QWidget::requestFocus ( QWidget * Sender,

QWidget * FocusedWidget

) [virtual]

called if Sender wants to announce new focused control

Reimplemented in QScreen, and QScreen.

void QWidget::requestFocus ( QWidget * Sender,

QWidget * FocusedWidget

) [virtual]

called if Sender wants to announce new focused control

Reimplemented in QScreen, and QScreen.
Definition at line 303 of file QWidget.cpp.
References clearFocusPath(), FocusPath, and Owner.
Referenced by doFocus().

void QWidget::restoreContext ( )

restores the global drawing context

void QWidget::restoreContext ( )

restores the global drawing context

Definition at line 321 of file QWidget.cpp.
Referenced by event().

virtual void QWidget::setClientBorderBottom ( int newValue ) [virtual]

setter method for ClientBorderBottom

void QWidget::setClientBorderBottom ( int newValue ) [virtual]

setter method for ClientBorderBottom

Definition at line 522 of file QWidget.cpp.
References ClientBorderBottom.

virtual void QWidget::setClientBorderLeft ( int newValue ) [virtual]

setter method for ClientBorderLeft

void QWidget::setClientBorderLeft ( int newValue ) [virtual]

setter method for ClientBorderLeft

Definition at line 486 of file QWidget.cpp.
References ClientBorderLeft.

virtual void QWidget::setClientBorderRight ( int newValue ) [virtual]

setter method for ClientBorderRight

void QWidget::setClientBorderRight ( int newValue ) [virtual]

setter method for ClientBorderRight

Definition at line 498 of file QWidget.cpp.
References ClientBorderRight.

virtual void QWidget::setClientBorderTop ( int newValue ) [virtual]

setter method for ClientBorderTop

void QWidget::setClientBorderTop ( int newValue ) [virtual]

setter method for ClientBorderTop

Definition at line 510 of file QWidget.cpp.
References ClientBorderTop.

virtual void QWidget::setEnabled ( bool newValue ) [virtual]

setter method for Enabled

void QWidget::setEnabled ( bool newValue ) [virtual]

setter method for Enabled

Definition at line 534 of file QWidget.cpp.
References Enabled.

virtual void QWidget::setFocusPath ( QWidget * newValue ) [virtual]

setter method for FocusPath

void QWidget::setFocusPath ( QWidget * newValue ) [virtual]

setter method for FocusPath

Definition at line 582 of file QWidget.cpp.
References FocusPath.

virtual void QWidget::setHeight ( int newValue ) [virtual]

setter method for Height

void QWidget::setHeight ( int newValue ) [virtual]

setter method for Height

Definition at line 414 of file QWidget.cpp.
References Height, layout(), MinHeight, and onResize.
Referenced by glutResize(), QWindow::Init(), QWindow::maximize(), mySubWindow(), MyWindow::MyWindow(), and QWindow::processMouseOwner().

virtual void QWidget::setLeft ( int newValue ) [virtual]

setter method for Left

void QWidget::setLeft ( int newValue ) [virtual]

setter method for Left

Definition at line 447 of file QWidget.cpp.
References Left.
Referenced by handleDragging(), QWindow::layout(), QWindow::maximize(), and MyWindow::MyWindow().

virtual void QWidget::setLookAndFeel ( QLookAndFeel * newValue ) [virtual]

setter method for LookAndFeel

void QWidget::setLookAndFeel ( QLookAndFeel * newValue ) [virtual]

setter method for LookAndFeel

Definition at line 558 of file QWidget.cpp.
References LookAndFeel.

virtual void QWidget::setMinHeight ( int newValue ) [virtual]

setter method for MinHeight

void QWidget::setMinHeight ( int newValue ) [virtual]

setter method for MinHeight

Definition at line 474 of file QWidget.cpp.
References MinHeight.

virtual void QWidget::setMinWidth ( int newValue ) [virtual]

setter method for MinWidth

void QWidget::setMinWidth ( int newValue ) [virtual]

setter method for MinWidth

Definition at line 462 of file QWidget.cpp.
References MinWidth.

virtual void QWidget::setOwner ( QWidget * newValue ) [virtual]

setter method for Owner

void QWidget::setOwner ( QWidget * newValue ) [virtual]

setter method for Owner

Definition at line 570 of file QWidget.cpp.
References Owner.

virtual void QWidget::setTop ( int newValue ) [virtual]

setter method for Top

void QWidget::setTop ( int newValue ) [virtual]

setter method for Top

Definition at line 432 of file QWidget.cpp.
References Top.
Referenced by handleDragging(), QWindow::Init(), QWindow::maximize(), and MyWindow::MyWindow().

virtual void QWidget::setVisible ( bool newValue ) [virtual]

setter method for Visible

void QWidget::setVisible ( bool newValue ) [virtual]

setter method for Visible

Definition at line 546 of file QWidget.cpp.
References Visible.

virtual void QWidget::setWidth ( int newValue ) [virtual]

setter method for Width

void QWidget::setWidth ( int newValue ) [virtual]

setter method for Width

Definition at line 396 of file QWidget.cpp.
References layout(), MinWidth, onResize, and Width.
Referenced by glutResize(), QWindow::Init(), main(), QWindow::maximize(), mySubWindow(), MyWindow::MyWindow(), QWindow::processMouseOwner(), and QCheckBox::setCaption().

Field Documentation

list<QWidget*> QWidget::Children [protected]

list of children widgets

Definition at line 80 of file QWidget.h.

list<QWidget*> QWidget::Children [protected]

list of children widgets

Definition at line 79 of file QWidget.h.
Referenced by add(), bringToFront(), eventToChildren(), eventToChildrenReversed(), freeChildren(), isInFront(), QToolBar::layout(), and remove().

int QWidget::ClientBorderBottom [protected]

botom border to client region

Definition at line 59 of file QWidget.h.
Referenced by getClientBorderBottom(), QWindow::Init(), and setClientBorderBottom().

int QWidget::ClientBorderLeft [protected]

left border to client region

Definition at line 50 of file QWidget.h.
Referenced by getClientBorderLeft(), QWindow::Init(), and setClientBorderLeft().

int QWidget::ClientBorderRight [protected]

right border to client region

Definition at line 53 of file QWidget.h.
Referenced by getClientBorderRight(), QWindow::Init(), and setClientBorderRight().

int QWidget::ClientBorderTop [protected]

top border to client region

Definition at line 56 of file QWidget.h.
Referenced by getClientBorderTop(), QWindow::Init(), and setClientBorderTop().

bool QWidget::Dragging [protected]

dragging status

Definition at line 68 of file QWidget.h.
Referenced by handleMouseEvent().

int QWidget::DragStartX [private]

dragging position x

Definition at line 25 of file QWidget.h.
Referenced by handleDragging(), and handleMouseEvent().

int QWidget::DragStartY [private]

dragging position y

Definition at line 28 of file QWidget.h.
Referenced by handleDragging(), and handleMouseEvent().

bool QWidget::Enabled [protected]

enabled status

Definition at line 62 of file QWidget.h.
Referenced by event(), getEnabled(), and setEnabled().

QWidget* QWidget::FocusPath [protected]

Defines the child widget to which keyboard events should be passed.

Definition at line 77 of file QWidget.h.

QWidget* QWidget::FocusPath [protected]

Defines the child widget to which keyboard events should be passed.

Definition at line 76 of file QWidget.h.
Referenced by clearFocusPath(), getFocusPath(), handleKeyboardEvent(), remove(), QScreen::remove(), requestFocus(), QScreen::requestFocus(), and setFocusPath().

int QWidget::Height [protected]

height of widget

Definition at line 35 of file QWidget.h.
Referenced by QToolBar::draw(), QTextEdit::draw(), QScreen::draw(), QCaptionButton::draw(), QWindow::drawFrame(), getHeight(), handleDragging(), handleMouseEvent(), QToolBar::Init(), QTextEdit::Init(), QCaptionButton::Init(), QToolBar::layout(), QCheckBox::layout(), QWindow::maximize(), QWindow::processEvent(), QButton::processMouseOwner(), and setHeight().

int QWidget::Left [protected]

left offset

Definition at line 41 of file QWidget.h.
Referenced by QToolBar::canDrag(), changeContext(), QWindow::drawFrame(), getLeft(), handleMouseEvent(), QWindow::maximize(), QWindow::processEvent(), QWindow::processMouseOwner(), QButton::processMouseOwner(), and setLeft().

QLookAndFeel* QWidget::LookAndFeel [protected]

Look and Feel.

Definition at line 71 of file QWidget.h.

QLookAndFeel* QWidget::LookAndFeel [protected]

Look and Feel.

Definition at line 70 of file QWidget.h.
Referenced by QScreen::CleanUp(), QToolBar::draw(), QTextEdit::draw(), QScreen::draw(), QRadioButton::draw(), QCheckBox::draw(), QCaptionButton::draw(), QWindow::drawCloseButton(), QWindow::drawCoordInfos(), QWindow::drawFrame(), QWindow::drawMaximizeButton(), getLookAndFeel(), QTextEdit::Init(), QScreen::Init(), QCheckBox::Init(), QCaptionButton::Init(), and setLookAndFeel().

int QWidget::MinHeight [protected]

minimum height of widget

Definition at line 47 of file QWidget.h.
Referenced by getMinHeight(), QWindow::Init(), setHeight(), and setMinHeight().

int QWidget::MinWidth [protected]

minimum width of widget

Definition at line 44 of file QWidget.h.
Referenced by getMinWidth(), QWindow::Init(), setMinWidth(), and setWidth().

void(* QWidget::onClick)(QWidget *, QEvent *)

event handler for mouse click

Referenced by handleMouseEvent(), QWindow::Init(), and MyWindow::MyWindow().

void(* QWidget::onCustomDraw)(QWidget *, QEvent *)

event handler for custom drawings

Referenced by event(), and QWindow::Init().

void(* QWidget::onKey)(QWidget *, QEvent *)

event handler for keyboard

Referenced by handleKeyboardEvent().

void(* QWidget::onMouseDown)(QWidget *, QEvent *)

event handler for mouse down

Referenced by handleMouseEvent().

void(* QWidget::onMouseMove)(QWidget *, QEvent *)

event handler for mouse up

Referenced by handleMouseEvent().

void(* QWidget::onMouseUp)(QWidget *, QEvent *)

event handler for mouse up

Referenced by handleMouseEvent().

void(* QWidget::onResize)(QWidget *)

event handler for handling the changes of position and size

Referenced by setHeight(), and setWidth().

QWidget* QWidget::Owner [protected]

Owner of this widget.

Definition at line 74 of file QWidget.h.

QWidget* QWidget::Owner [protected]

Owner of this widget.

Definition at line 73 of file QWidget.h.
Referenced by doFocus(), QTextEdit::draw(), QWindow::drawFrame(), free(), freeWidget(), getFocused(), getOwner(), handleDragging(), QWindow::maximize(), MyWindow::MyWindow(), QWindow::processMouseOwner(), redraw(), requestFocus(), and setOwner().

int QWidget::Top [protected]

top offset

Definition at line 38 of file QWidget.h.
Referenced by QWindow::canDrag(), changeContext(), QWindow::drawFrame(), getTop(), handleMouseEvent(), QWindow::maximize(), QWindow::processEvent(), QWindow::processMouseOwner(), QButton::processMouseOwner(), and setTop().

bool QWidget::Visible [protected]

visible status

Definition at line 65 of file QWidget.h.
Referenced by event(), getVisible(), and setVisible().

int QWidget::Width [protected]

width of widget

Definition at line 32 of file QWidget.h.
Referenced by QToolBar::draw(), QTextEdit::draw(), QScreen::draw(), QCaptionButton::draw(), QWindow::drawFrame(), getWidth(), handleDragging(), handleMouseEvent(), QToolBar::Init(), QTextEdit::Init(), QWindow::layout(), QToolBar::layout(), QWindow::maximize(), QWindow::processEvent(), QButton::processMouseOwner(), QTextEdit::setText(), setWidth(), and QCaptionButton::updateCaptionPosition().

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

/cygdrive/d/Eigene Dateien/!DProcs/code_gen/QWidget.h
/cygdrive/d/Eigene Dateien/!DProcs/code_gen/src/QWidget.h
/cygdrive/d/Eigene Dateien/!DProcs/code_gen/QWidget.cpp
/cygdrive/d/Eigene Dateien/!DProcs/code_gen/src/QWidget.cpp

Generated on Thu Mar 18 18:34:34 2004 for miniQT by

1.2.18

QWidget Class Reference

Public Methods

Data Fields

Protected Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation