#include <graph_view.h>

Inheritance diagram for GraphView:

Collaboration diagram for GraphView:

Public Slots
void	zoomIn (int level=1)

void	zoomOut (int level=1)

void	onCustomContextMenu (const QPoint &point)

Signals
void	itemDoubleClicked (QGraphicsItem *item)

void	itemCtrlClicked (QGraphicsItem *item)

void	right_click_menu (const QPoint &point, std::string name)

void	item_selected_in_graph (std::string name, bool first)

Public Member Functions
	GraphView (QWidget *parent=0)

	GraphView (GraphScene scene, QWidget parent=0)

void	set_zoom_level (uint value)

void	reset_prev_marked ()

std::vector< NodeWidget * >	get_prev_marked ()

QRectF	visibleRect ()

void	fitInView (QRectF scene, Qt::AspectRatioMode aspectRatio)

Protected Member Functions
void	resizeEvent (QResizeEvent *)

void	setupView ()

void	wheelEvent (QWheelEvent *event)

void	mousePressEvent (QMouseEvent *event)

void	mouseDoubleClickEvent (QMouseEvent *event)

void	mouseMoveEvent (QMouseEvent *event)

void	mouseReleaseEvent (QMouseEvent *event)

Detailed Description

GraphView inherits QGraphicsView and is responsible for all user interaction with the graph. GraphView updates it's GraphScene according to the user interactions.

See Also: http://qt-project.org/doc/qt-4.8/qgraphicsview.html

Constructor & Destructor Documentation

GraphView::GraphView ( QWidget * parent = 0 )

Constructor for the GraphView

Parameters

parent Parent widget for the GraphView, default is null

GraphView::GraphView	(	GraphScene *	scene,
		QWidget *	parent = `0`
	)

Constructor for the GraphView

Parameters

scene	The GraphScene used by the GraphView
parent	parent widget for the GraphView, default is null

Member Function Documentation

std::vector< NodeWidget * > GraphView::get_prev_marked ( )

A method for accessing all previously marked nodes.

Returns: A vector of all the previously marked nodes

void GraphView::item_selected_in_graph	(	std::string	name,
		bool	first
	)

signal

Signal used for notifying MainWindow that a certain item (or several) was selected in the graph. This signal will be emitted several times if several items

Parameters

name	The name of the item
first	True if this is the first item, otherwise false

void GraphView::itemCtrlClicked ( QGraphicsItem * item )

signal

Signal for notifying MainWindow that a single click occurred for a certain item

Parameters

item	The item that was single clicked

void GraphView::itemDoubleClicked ( QGraphicsItem * item )

signal

Signal for notifying MainWindow that a double click occurred for a certain item

Parameters

item	The item that was double clicked

void GraphView::mouseDoubleClickEvent ( QMouseEvent * event )

protected

This method handles mouse double click events

Parameters

event The mouse click event that was triggered

void GraphView::mouseMoveEvent ( QMouseEvent * event )

protected

Mouse move event, used to handle rubber band actions

void GraphView::mousePressEvent ( QMouseEvent * event )

protected

This method handles mouse single click events

Parameters

event The mouse click event that was triggered

void GraphView::mouseReleaseEvent ( QMouseEvent * event )

protected

Mouse release event, use to handle rubber band actions for zoom

void GraphView::onCustomContextMenu ( const QPoint & point )

slot

Slot used for telling the MainWindow to create a right click menu on the point where the right click occurred

Parameters

point The point where the right click event occurred

void GraphView::reset_prev_marked ( )

Resets the previously marked node(used to back focus in the MainWindow)

void GraphView::resizeEvent ( QResizeEvent * event )

protected

Catch resize event in order to be able to resize the graph when it happens.

void GraphView::right_click_menu	(	const QPoint &	point,
		std::string	name
	)

signal

Signal for notifying MainWindow that it should create a right click menu at a specific point and, if the click occurred above an item, name of an item

Parameters

point	The point where the right click occurred
name	The name of the item that was below the right click

void GraphView::set_zoom_level ( uint value )

Method for setting the zoom slider value to a specific value value The zoom level, a value between 1 and 100

void GraphView::setupView ( )

protected

This method sets up some basic parameters for the view.

QRectF GraphView::visibleRect ( )

Gets the visible portion of the scene as a QRectF in scene coordinates.

void GraphView::wheelEvent ( QWheelEvent * event )

protected

This method handles wheel events to allow zooming

Parameters

event The mouse wheel event that was triggered

void GraphView::zoomIn ( int level = 1 )

slot

Slot used for zoom in events

Parameters

level The level to zoom in, defaults to 1

void GraphView::zoomOut ( int level = 1 )

slot

Slot used for zoom out events

Parameters

level The level to zoom out, defaults to 1

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

src/gui/graph_view.h
src/gui/graph_view.cc

Public Slots

Signals

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation