GraphicView Class Reference

The GraphicView class provides a widget for displaying the contents of every graphic item.

#include <graphic_view.h>

Collaboration diagram for GraphicView:

[legend]List of all members.

Public Types
	Invalid = 0
	Arrow
	Move
	Zoom
	Text
	Image
	Line
	Polygon
	Rectangle
	Ellipse
enum	ToolBtn {   Invalid = 0, Arrow, Move, Zoom,   Text, Image, Line, Polygon,   Rectangle, Ellipse }
Public Slots
void	addGraphic (QGraphicsItem *)
void	setSize (const QSize &)
void	addScene (const QString &title=tr("untitled scene"), double time=0)
void	deleteScene ()
void	renameScene ()
void	setSceneTime ()
void	paintNextScene ()
void	paint ()
void	setTool (QAction *)
void	zoomIn ()
void	zoomOut ()
void	clear ()
void	save ()
void	saveAs ()
void	load ()
void	selectScene (int)
void	updateScene (const QList< QRectF > &)
void	remove ()
void	copy ()
void	cut ()
void	paste ()
Signals
void	updateSceneTime (double)
void	updateProperty (ModuleInterface *)
void	fileStatusChanged (const QString &)
void	sendPasteStatus (bool)
void	sendEditStatus (bool)
Public Member Functions
	GraphicView (QWidget *parent=0)
	~GraphicView ()
QTabBar *	sceneBar ()
Protected Member Functions
void	mouseMoveEvent (QMouseEvent *)
void	mousePressEvent (QMouseEvent *)
void	dragMoveEvent (QDragMoveEvent *)
void	dropEvent (QDropEvent *)
void	drawBackground (QPainter *, const QRectF &)
Private Attributes
QMenu	m_editMenu
QTabBar	m_sceneBar
QString	m_filename
QList< GraphicScene * >	m_scenes
int	m_paintSceneIndex
int	m_toolBtn
QGraphicsItem *	m_tmpGraphic
QList< QGraphicsItem * >	m_pasteContainer
LCDPaintDevice	m_lcdDev

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Member Enumeration Documentation

enum GraphicView::ToolBtn

Enumerator:

Invalid
Arrow
Move
Zoom
Text
Image
Line
Polygon
Rectangle
Ellipse

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Constructor & Destructor Documentation

GraphicView::GraphicView

(

QWidget *

parent = 0

)

GraphicView::~GraphicView

(

)

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Member Function Documentation

void GraphicView::addGraphic

(

QGraphicsItem *

item

)

[slot]

add a graphic item to the current scene

Parameters:

item

is the element that will be added

void GraphicView::addScene	(	const QString &	title = tr("untitled scene"),
		double	time = 0
	)			[slot]

add a new scene

Parameters:

title

is the title of the scene; displayed on the scene bar

void GraphicView::clear

(

)

[slot]

clears *all* scenes with his contents

void GraphicView::copy

(

)

[slot]

copy and stores all currently selected items on the scene

void GraphicView::cut

(

)

[slot]

cut all currently selected items on the scene

See also:

copy and remove

void GraphicView::deleteScene

(

)

[slot]

delete the current scene that is selected via the scene bar

void GraphicView::dragMoveEvent

(

QDragMoveEvent *

event

)

[protected]

checks if a drag object have the correct mime data

void GraphicView::drawBackground	(	QPainter *	painter,
		const QRectF &	rect
	)			[protected]

draws the background of the scene and the graphic view

void GraphicView::dropEvent

(

QDropEvent *

event

)

[protected]

loads and adds the dropped plugin into the current scene

void GraphicView::fileStatusChanged

(

const QString &

)

[signal]

emits every time when a file was loaded or saved

void GraphicView::load

(

)

[slot]

load a project xml file into the program

void GraphicView::mouseMoveEvent

(

QMouseEvent *

mouseEvent

)

[protected]

updates the position while creating a line, rectangle or ellipse

void GraphicView::mousePressEvent

(

QMouseEvent *

mouseEvent

)

[protected]

creates a graphic item that depends on which tool button was pressed

void GraphicView::paint

(

)

[slot]

paint all graphic items on the scene that is selected by paintNextScene(). Invoked also by TimerThread::updateItem() to update every graphic item PluginInterface::timer() method.

See also:

LCDPaintDevice, paintNextScene and TimerThread

void GraphicView::paintNextScene

(

)

[slot]

paint the next scene updated invoked by TimerThread::updateScene()

See also:

TimerThread

void GraphicView::paste

(

)

[slot]

paste all stored items on the scene

void GraphicView::remove

(

)

[slot]

removes all currently selected items on the scene

void GraphicView::renameScene

(

)

[slot]

rename with a popup input dialog the current scene that is selected via the scene bar

void GraphicView::save

(

)

[slot]

save all scenes and additional information of this project to a xml file

See also:

XMLWrite

void GraphicView::saveAs

(

)

[slot]

popup a file dialog where the user can choices the save location of the project xml file

See also:

save

QTabBar * GraphicView::sceneBar

(

)

void GraphicView::selectScene

(

int

nr

)

[slot]

set a scene via the scene bar

Parameters:

nr

is the scene that will be selected

void GraphicView::sendEditStatus

(

bool

)

[signal]

void GraphicView::sendPasteStatus

(

bool

)

[signal]

void GraphicView::setSceneTime

(

)

[slot]

change scene time to the next scene in minutes

void GraphicView::setSize

(

const QSize &

size

)

[slot]

set the scene size for each available scene

Parameters:

size

is the new size of the scene

void GraphicView::setTool

(

QAction *

toolBtn

)

[slot]

set the selected tool button

Parameters:

toolBtn

is the selected button

void GraphicView::updateProperty

(

ModuleInterface *

)

[signal]

emits every time if a item was changed

void GraphicView::updateScene

(

const QList< QRectF > &

rects

)

[slot]

overloaded scene event to clear the device and update visual property information

Parameters:

rects

is a list of areas that are modified therefore they have to be updated

See also:

PropertyModel::createPropertySheet() and ControllerInterface::clear()

void GraphicView::updateSceneTime

(

double

)

[signal]

emits every time when the paint scene was changed

void GraphicView::zoomIn

(

)

[slot]

void GraphicView::zoomOut

(

)

[slot]

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Member Data Documentation

QMenu GraphicView::m_editMenu [private]

QString GraphicView::m_filename [private]

filename of the current xml file

LCDPaintDevice GraphicView::m_lcdDev [private]

give access to a lcd device for painting the scene content

int GraphicView::m_paintSceneIndex [private]

current paint scene index that will be paint on the device

QList<QGraphicsItem *> GraphicView::m_pasteContainer [private]

stores temporary slected items for cut, copy and paste actions

QTabBar GraphicView::m_sceneBar [private]

with a scene bar you can add, remove or rename a scene

QList<GraphicScene*> GraphicView::m_scenes [private]

contains all created scenes

QGraphicsItem* GraphicView::m_tmpGraphic [private]

int GraphicView::m_toolBtn [private]

stores the tool button id that is currently selected

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

• graphic_view.h
• graphic_view.cpp

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