QGraphicsView with the ability to pan and zoom. More...

#include <PanAndZoomView.h>

Inheritance diagram for SimShell::Gui::PanAndZoomView:

Collaboration diagram for SimShell::Gui::PanAndZoomView:

Public Member Functions
	PanAndZoomView (double zoomMin=0.07, double zoomMax=100.0, QWidget *parent=nullptr)
	Constructor. More...

virtual	~PanAndZoomView ()
	Destructor.

virtual void	enterEvent (QEvent *event)
	Overriding enterEvent to grab focus when the view is entered. More...

virtual void	keyPressEvent (QKeyEvent *event)
	Overriding keyPressEvent to detect when control key is pressed. More...

virtual void	keyReleaseEvent (QKeyEvent *event)
	Overriding releasePressEvent to detect when control key is released. More...

void	ResetZoom ()
	Resets the view to the normal zoom level.

void	ScaleView (double factor)
	Scales the view, bounded by the minimum and maximum zooming factor. More...

double	Scaling ()
	Gets the current scaling of the view (assuming the view was only scaled with ScaleView() and the horizontal and vertical scaling are the same) More...

virtual void	wheelEvent (QWheelEvent *event)
	Overriding wheelEvent to scroll the view when control key is held down. More...

Detailed Description

QGraphicsView with the ability to pan and zoom.

Definition at line 30 of file PanAndZoomView.h.

Constructor & Destructor Documentation

SimShell::Gui::PanAndZoomView::PanAndZoomView	(	double	zoomMin = `0.07`,
		double	zoomMax = `100.0`,
		QWidget *	parent = `nullptr`
	)

Constructor.

Parameters

zoomMin	The minimum zooming factor
zoomMax	The maximum zooming factor
parent	The widget's parent

Definition at line 32 of file PanAndZoomView.cpp.

Member Function Documentation

void SimShell::Gui::PanAndZoomView::enterEvent ( QEvent * event )

virtual

Overriding enterEvent to grab focus when the view is entered.

Parameters

event The key event

Definition at line 74 of file PanAndZoomView.cpp.

void SimShell::Gui::PanAndZoomView::keyPressEvent ( QKeyEvent * event )

virtual

Overriding keyPressEvent to detect when control key is pressed.

Parameters

event The key event

Definition at line 57 of file PanAndZoomView.cpp.

void SimShell::Gui::PanAndZoomView::keyReleaseEvent ( QKeyEvent * event )

virtual

Overriding releasePressEvent to detect when control key is released.

Parameters

event The key event

Definition at line 65 of file PanAndZoomView.cpp.

void SimShell::Gui::PanAndZoomView::ScaleView ( double factor )

Scales the view, bounded by the minimum and maximum zooming factor.

Parameters

factor The scaling factor

Definition at line 43 of file PanAndZoomView.cpp.

Referenced by wheelEvent().

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double SimShell::Gui::PanAndZoomView::Scaling ( )

Gets the current scaling of the view (assuming the view was only scaled with ScaleView() and the horizontal and vertical scaling are the same)

Parameters

double The scaling factor of the view

Definition at line 87 of file PanAndZoomView.cpp.

Referenced by SimPT_Editor::TissueGraphicsView::GenerateRegularPattern(), and SimPT_Editor::TissueGraphicsView::GenerateVoronoiPattern().

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void SimShell::Gui::PanAndZoomView::wheelEvent ( QWheelEvent * event )

virtual

Overriding wheelEvent to scroll the view when control key is held down.

Parameters

event

Definition at line 92 of file PanAndZoomView.cpp.

References ScaleView().

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

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation