RGraphicsViewQt

Class in GUI Module
Header: #include <src/gui/RGraphicsViewQt.h>
Inherits: QWidget

Description

QWidget based 2d graphics view.

This graphics view displays a rectangular area of a RGraphicsSceneQt.

Scriptable: This class is available in script environments.

\generateScriptShell

Public Functions

	RGraphicsViewQt(QWidget *parent=NULL, bool showFocus=true)
virtual	~RGraphicsViewQt()
void	disableGestures()
virtual int	getHeight() const
RGraphicsViewImage *	getImageView() const
virtual QRect	getRect() const
virtual bool	getSignalsBlocked() const
virtual int	getWidth() const
virtual void	removeFocus()
void	setFocusFrameWidget(QFrame *w)
void	setImageView(RGraphicsViewImage *v)
virtual void	setSignalsBlocked(bool on)
virtual void	simulateMouseMoveEvent()
virtual QSize	sizeHint() const

Protected Functions

virtual void	dragEnterEvent(QDragEnterEvent *event)
virtual void	dropEvent(QDropEvent *event)
bool	event(QEvent *e) Handle terminate events and gestures.
virtual void	focusInEvent(QFocusEvent *event) Called when this view gets the focus.
virtual bool	focusNextPrevChild(bool next) Tab / Shift+Tab with focus in the graphics view: moves the keyboard focus to the first / last widget of the options tool bar if there is one (RMainWindowQt::handleTabKey).
virtual void	focusOutEvent(QFocusEvent *event) Called when this view lost the focus.
bool	gestureEvent(QGestureEvent *event) Handle gesture events.
virtual void	keyPressEvent(QKeyEvent *event)
virtual void	keyReleaseEvent(QKeyEvent *event)
virtual void	mouseDoubleClickEvent(QMouseEvent *event)
virtual void	mouseMoveEvent(QMouseEvent *event) Relays the Qt mouse event to the scene.
virtual void	mousePressEvent(QMouseEvent *event)
virtual void	mouseReleaseEvent(QMouseEvent *event)
virtual void	paintEvent(QPaintEvent *) Repaints the view.
virtual void	resizeEvent(QResizeEvent *event)
virtual void	tabletEvent(QTabletEvent *event)
virtual void	wheelEvent(QWheelEvent *event)

Private Attributes

QFrame *	focusFrameWidget
bool	gesturesEnabled
bool	gotMouseButtonPress
RGraphicsViewImage *	imageView
Qt::MouseButtons	lastButtonState remember last mouse button state for wacom bug workaround
QElapsedTimer	mouseClickTimer
RVector	mousePressModelPosition
RVector	mousePressScreenPosition
bool	showFocus

Private Slots

void	imageViewDeleted()

Signals

void	dragEnter(QDragEnterEvent *event)
void	drop(QDropEvent *event)

Member Documentation

RGraphicsViewQt

RGraphicsViewQt::RGraphicsViewQt(QWidget *parent=NULL, bool showFocus=true)

~RGraphicsViewQt

virtual RGraphicsViewQt::~RGraphicsViewQt()

virtual

disableGestures

void RGraphicsViewQt::disableGestures()

inline

getHeight

virtual int RGraphicsViewQt::getHeight() const

virtual const

getImageView

RGraphicsViewImage * RGraphicsViewQt::getImageView() const

inline const

getRect

virtual QRect RGraphicsViewQt::getRect() const

virtual const

getSignalsBlocked

virtual bool RGraphicsViewQt::getSignalsBlocked() const

virtual const

getWidth

virtual int RGraphicsViewQt::getWidth() const

virtual const

removeFocus

virtual void RGraphicsViewQt::removeFocus()

virtual

setFocusFrameWidget

void RGraphicsViewQt::setFocusFrameWidget(QFrame *w)

setImageView

void RGraphicsViewQt::setImageView(RGraphicsViewImage *v)

setSignalsBlocked

virtual void RGraphicsViewQt::setSignalsBlocked(bool on)

virtual

simulateMouseMoveEvent

virtual void RGraphicsViewQt::simulateMouseMoveEvent()

virtual

sizeHint

virtual QSize RGraphicsViewQt::sizeHint() const

virtual const

dragEnterEvent

virtual void RGraphicsViewQt::dragEnterEvent(QDragEnterEvent *event)

virtual protected

dropEvent

virtual void RGraphicsViewQt::dropEvent(QDropEvent *event)

virtual protected

event

bool RGraphicsViewQt::event(QEvent *e)

protected

Handle terminate events and gestures.

focusInEvent

virtual void RGraphicsViewQt::focusInEvent(QFocusEvent *event)

virtual protected

Called when this view gets the focus.

Highlights the view to show to the user that events go to this view.

focusNextPrevChild

virtual bool RGraphicsViewQt::focusNextPrevChild(bool next)

virtual protected

Tab / Shift+Tab with focus in the graphics view: moves the keyboard focus to the first / last widget of the options tool bar if there is one (RMainWindowQt::handleTabKey).

Otherwise, the focus continues to the next / previous widget of the main window. Without this, the focus would get stuck in the graphics view, since QMdiArea only cycles through its sub windows (keyboard / screen reader navigation).

focusOutEvent

virtual void RGraphicsViewQt::focusOutEvent(QFocusEvent *event)

virtual protected

Called when this view lost the focus.

Resets the focus highlighting.

gestureEvent

bool RGraphicsViewQt::gestureEvent(QGestureEvent *event)

protected

Handle gesture events.

keyPressEvent

virtual void RGraphicsViewQt::keyPressEvent(QKeyEvent *event)

virtual protected

keyReleaseEvent

virtual void RGraphicsViewQt::keyReleaseEvent(QKeyEvent *event)

virtual protected

mouseDoubleClickEvent

virtual void RGraphicsViewQt::mouseDoubleClickEvent(QMouseEvent *event)

virtual protected

mouseMoveEvent

virtual void RGraphicsViewQt::mouseMoveEvent(QMouseEvent *event)

virtual protected

Relays the Qt mouse event to the scene.

mousePressEvent

virtual void RGraphicsViewQt::mousePressEvent(QMouseEvent *event)

virtual protected

mouseReleaseEvent

virtual void RGraphicsViewQt::mouseReleaseEvent(QMouseEvent *event)

virtual protected

paintEvent

virtual void RGraphicsViewQt::paintEvent(QPaintEvent *)

virtual protected

Repaints the view.

If the view has been invalidated before, the view is redrawn from scratch. Otherwise, only a cached buffer is drawn (very fast).

See also: invalidate

resizeEvent

virtual void RGraphicsViewQt::resizeEvent(QResizeEvent *event)

virtual protected

tabletEvent

virtual void RGraphicsViewQt::tabletEvent(QTabletEvent *event)

virtual protected

wheelEvent

virtual void RGraphicsViewQt::wheelEvent(QWheelEvent *event)

virtual protected

focusFrameWidget

QFrame* RGraphicsViewQt::focusFrameWidget

private

gesturesEnabled

bool RGraphicsViewQt::gesturesEnabled

private

gotMouseButtonPress

bool RGraphicsViewQt::gotMouseButtonPress

private

imageView

RGraphicsViewImage* RGraphicsViewQt::imageView

private

lastButtonState

Qt::MouseButtons RGraphicsViewQt::lastButtonState

private

remember last mouse button state for wacom bug workaround

mouseClickTimer

QElapsedTimer RGraphicsViewQt::mouseClickTimer

private

mousePressModelPosition

RVector RGraphicsViewQt::mousePressModelPosition

private

mousePressScreenPosition

RVector RGraphicsViewQt::mousePressScreenPosition

private

showFocus

bool RGraphicsViewQt::showFocus

private

imageViewDeleted

void RGraphicsViewQt::imageViewDeleted()

private

dragEnter

void RGraphicsViewQt::dragEnter(QDragEnterEvent *event)

drop

void RGraphicsViewQt::drop(QDropEvent *event)