QxGraph_CanvasView Class Reference

#include <QxGraph_CanvasView.h>

Inheritance diagram for QxGraph_CanvasView:

Public Types
enum	OperationType {   NOTHING, PANVIEW, ZOOMVIEW, PANGLOBAL,   WINDOWFIT, FITALLVIEW, RESETVIEW }
Public Slots
void	onTimeout ()
Signals
void	viewOperationDone ()
Public Member Functions
	QxGraph_CanvasView (QxGraph_Canvas *theCanvas, QxGraph_ViewWindow *theViewWindow)
virtual	~QxGraph_CanvasView ()
QxGraph_ViewWindow *	getViewWindow () const
void	activateFitAll ()
void	activateFitRect ()
void	activateZoom ()
void	activatePanning ()
void	activateGlobalPanning ()
void	activateReset ()
void	itemRemoved (QCanvasItem *)
void	setSelectedItem (QxGraph_ActiveItem *theItem)
QxGraph_ActiveItem *	getSelectedItem () const
Protected Member Functions
void	contentsMousePressEvent (QMouseEvent *theEvent)
void	contentsMouseMoveEvent (QMouseEvent *theEvent)
void	contentsMouseReleaseEvent (QMouseEvent *theEvent)
void	contentsMouseDoubleClickEvent (QMouseEvent *theEvent)
bool	isSelectedItemInCanvas ()
Private Attributes
QCanvasItem *	myCurrentItem
QPoint	myPoint
QPoint	myGlobalPoint
bool	myMovingDone
QPoint	myCenter
OperationType	myOperation
QCursor	myCursor
QCanvasRectangle *	mySelectedRect
QTimer *	myTimer
int	myDX
int	myDY
QxGraph_ActiveItem *	myHilightedItem
QxGraph_ActiveItem *	mySelectedItem

---

Member Enumeration Documentation

enum QxGraph_CanvasView::OperationType

Enumerator:

NOTHING
PANVIEW
ZOOMVIEW
PANGLOBAL
WINDOWFIT
FITALLVIEW
RESETVIEW

---

Constructor & Destructor Documentation

QxGraph_CanvasView::QxGraph_CanvasView	(	QxGraph_Canvas *	theCanvas,
		QxGraph_ViewWindow *	theViewWindow
	)

Constructor

References myCursor, myOperation, mySelectedRect, myTimer, NOTHING, and onTimeout().

QxGraph_CanvasView::~QxGraph_CanvasView

(

)

[virtual]

Destructor

---

Member Function Documentation

QxGraph_ViewWindow * QxGraph_CanvasView::getViewWindow

(

)

const

void QxGraph_CanvasView::activateFitAll

(

)

References GRAPH_MARGIN, test_table.l, QxGraph_ActiveItem.setTMatrix(), and viewOperationDone().

void QxGraph_CanvasView::activateFitRect

(

)

References myCursor, myOperation, and WINDOWFIT.

void QxGraph_CanvasView::activateZoom

(

)

References imageZoomCursor, myCursor, myOperation, and ZOOMVIEW.

void QxGraph_CanvasView::activatePanning

(

)

References myCursor, myOperation, and PANVIEW.

void QxGraph_CanvasView::activateGlobalPanning

(

)

References imageCrossCursor, myCursor, myOperation, and PANGLOBAL.

void QxGraph_CanvasView::activateReset

(

)

References QxGraph_ActiveItem.setTMatrix(), and viewOperationDone().

void QxGraph_CanvasView::itemRemoved

(

QCanvasItem *

theItem

)

This method is called by QxGraph_Canvas when item is removed. QxGraph_CanvasView updates its own data accordingly

References myCurrentItem, myHilightedItem, and mySelectedItem.

void QxGraph_CanvasView::setSelectedItem

(

QxGraph_ActiveItem *

theItem

)

References mySelectedItem.

QxGraph_ActiveItem * QxGraph_CanvasView::getSelectedItem

(

)

const

References mySelectedItem.

void QxGraph_CanvasView.viewOperationDone

(

)

[signal]

void QxGraph_CanvasView::onTimeout

(

)

[slot]

References myCurrentItem, myDX, myDY, and myPoint.

void QxGraph_CanvasView::contentsMousePressEvent

(

QMouseEvent *

theEvent

)

[protected]

References QxGraph_ActiveItem.beforeMoving(), QxGraph_ActiveItem.beforeResizing(), imageZoomCursor, QxGraph_ActiveItem.isMoveable(), QxGraph_ActiveItem.isResizable(), myCenter, myCurrentItem, myCursor, myGlobalPoint, myOperation, myPoint, PANGLOBAL, PANVIEW, WINDOWFIT, and ZOOMVIEW.

void QxGraph_CanvasView::contentsMouseMoveEvent

(

QMouseEvent *

theEvent

)

[protected]

References QxGraph_ActiveItem.hilight(), QxGraph_ActiveItem.isResizable(), QxGraph_ActiveItem.isResizing(), QxGraph_ToolTip.maybeTip(), myCenter, myCurrentItem, myDX, myDY, myGlobalPoint, myHilightedItem, myMovingDone, myOperation, myPoint, mySelectedRect, myTimer, PANVIEW, QxGraph_ActiveItem.resize(), QxGraph_ActiveItem.setTMatrix(), WINDOWFIT, and ZOOMVIEW.

void QxGraph_CanvasView::contentsMouseReleaseEvent

(

QMouseEvent *

theEvent

)

[protected]

References QxGraph_ActiveItem.afterMoving(), QxGraph_ActiveItem.afterResizing(), QxGraph_ActiveItem.arePartsOfOtherItem(), QxGraph_ViewWindow.contextPopupEvent(), getViewWindow(), QxGraph_ActiveItem.hilight(), QxGraph_ActiveItem.isMoveable(), QxGraph_ActiveItem.isResizing(), isSelectedItemInCanvas(), myCurrentItem, myCursor, myHilightedItem, myMovingDone, myOperation, myPoint, mySelectedItem, mySelectedRect, myTimer, NOTHING, PANGLOBAL, PANVIEW, QxGraph_ActiveItem.select(), QxGraph_ActiveItem.setTMatrix(), QxGraph_ActiveItem.showPopup(), viewOperationDone(), WINDOWFIT, and ZOOMVIEW.

void QxGraph_CanvasView::contentsMouseDoubleClickEvent

(

QMouseEvent *

theEvent

)

[protected]

bool QxGraph_CanvasView::isSelectedItemInCanvas

(

)

[protected]

References mySelectedItem.

---

Field Documentation

QCanvasItem* QxGraph_CanvasView.myCurrentItem [private]

QPoint QxGraph_CanvasView.myPoint [private]

QPoint QxGraph_CanvasView.myGlobalPoint [private]

bool QxGraph_CanvasView.myMovingDone [private]

QPoint QxGraph_CanvasView.myCenter [private]

OperationType QxGraph_CanvasView.myOperation [private]

QCursor QxGraph_CanvasView.myCursor [private]

QCanvasRectangle* QxGraph_CanvasView.mySelectedRect [private]

QTimer* QxGraph_CanvasView.myTimer [private]

int QxGraph_CanvasView.myDX [private]

int QxGraph_CanvasView.myDY [private]

QxGraph_ActiveItem* QxGraph_CanvasView.myHilightedItem [private]

QxGraph_ActiveItem* QxGraph_CanvasView.mySelectedItem [private]