ElementView Class Reference

#include <elementview.h>

Inherits QGraphicsView.

Collaboration diagram for ElementView:

Public Slots
void	setVisualisationMode ()
void	setSelectionMode ()
void	zoomIn ()
void	zoomOut ()
void	zoomInSlowly ()
void	zoomOutSlowly ()
void	zoomFit ()
void	zoomReset ()
void	adjustSceneRect ()
	ElementView::adjustSceneRect Adjust the scenRect, so that he include all primitives of element plus the viewport of the scene with a margin of 1/3 of herself.
void	resetSceneRect ()
	ElementView::resetSceneRect reset le sceneRect (zone du schéma visualisée par l'ElementView) afin que celui-ci inclut uniquement les primitives de l'élément dessiné.
void	cut ()
void	copy ()
void	paste ()
void	pasteInArea ()

Signals
void	modeChanged ()
	Signal emitted after the mode changed.

Public Member Functions
	ElementView (ElementScene *, QWidget *=nullptr)
	~ElementView () override
	Destructeur.
ElementScene *	scene () const
void	setScene (ElementScene *)
QRectF	viewedSceneRect () const

Protected Member Functions
void	mousePressEvent (QMouseEvent *) override
void	mouseMoveEvent (QMouseEvent *) override
	ElementView::mouseMoveEvent Manage the event move mouse.
void	mouseReleaseEvent (QMouseEvent *) override
	ElementView::mouseReleaseEvent Manage event release click mouse.
bool	gestureEvent (QGestureEvent *event)
	ElementView::gestureEvent.
bool	event (QEvent *event) override
void	wheelEvent (QWheelEvent *) override
	ElementView::wheelEvent.
void	drawBackground (QPainter *, const QRectF &) override

Private Slots
void	getPasteArea (const QRectF &)
ElementContent	pasteAreaDefined (const QRectF &)
ElementContent	paste (const QPointF &)
ElementContent	paste (const QDomDocument &, const QPointF &)
ElementContent	pasteWithOffset (const QDomDocument &)

Private Member Functions
	ElementView (const ElementView &)
QRectF	applyMovement (const QRectF &, const QPointF &)
	ElementView::applyMovement Applique le decalage offset dans le sens movement au rectangle start.
void	scaleClamped (qreal factor)
bool	gestures () const
	ElementView::gestures.

Private Attributes
ElementScene *	m_scene
QString	to_paste_in_area_
int	offset_paste_count_
QPointF	start_top_left_corner_
QPointF	reference_view_

Static Private Attributes
static constexpr qreal	m_min_zoom = 0.1
static constexpr qreal	m_max_zoom = 200.0

Friends
class	PastePartsCommand

Detailed Description

This class provides a widget to render an ElementScene instance, i.e. the edition class for electrical elements.

Constructor & Destructor Documentation

ElementView() [1/2]

ElementView::ElementView	(	ElementScene *	scene,
		QWidget *	parent = nullptr )

Constructeur

Parameters

scene	ElementScene visualisee par cette ElementView
parent	QWidget parent de cette ElementView

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~ElementView()

ElementView::~ElementView ( )

override

Destructeur.

ElementView() [2/2]

ElementView::ElementView ( const ElementView & )

private

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Member Function Documentation

adjustSceneRect

void ElementView::adjustSceneRect ( )

slot

ElementView::adjustSceneRect Adjust the scenRect, so that he include all primitives of element plus the viewport of the scene with a margin of 1/3 of herself.

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applyMovement()

QRectF ElementView::applyMovement ( const QRectF & start, const QPointF & offset )

private

ElementView::applyMovement Applique le decalage offset dans le sens movement au rectangle start.

Parameters

start	: rectangle a decaler
offset	: Decalage a appliquer

Returns

copy

void ElementView::copy ( )

slot

Gere le fait de copier la selection = l'exporter en XML dans le presse-papier.

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cut

void ElementView::cut ( )

slot

Gere le fait de couper la selection = l'exporter en XML dans le presse-papier puis la supprimer.

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drawBackground()

void ElementView::drawBackground ( QPainter * p, const QRectF & r )

overrideprotected

Dessine l'arriere-plan de l'editeur, cad la grille. Draws the editor background, i.e. the grid.

Parameters

p	Le QPainter a utiliser pour dessiner
r	Le rectangle de la zone a dessiner

event()

bool ElementView::event ( QEvent * e )

overrideprotected

Gere les evenements de la ElementView

Parameters

e

Evenement

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gestureEvent()

bool ElementView::gestureEvent ( QGestureEvent * event )

protected

ElementView::gestureEvent.

Utilise le pincement du trackpad pour zoomer Use trackpad pinch to zoom

Parameters

event

Returns

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gestures()

bool ElementView::gestures ( ) const

private

ElementView::gestures.

Returns

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getPasteArea

void ElementView::getPasteArea ( const QRectF & to_paste )

privateslot

Parameters

to_paste

Rectangle englobant les parties a coller

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modeChanged

void ElementView::modeChanged ( )

signal

Signal emitted after the mode changed.

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mouseMoveEvent()

void ElementView::mouseMoveEvent ( QMouseEvent * e )

overrideprotected

ElementView::mouseMoveEvent Manage the event move mouse.

mousePressEvent()

void ElementView::mousePressEvent ( QMouseEvent * e )

overrideprotected

Gere les clics sur la vue - permet de coller lorsaue l'on enfonce le bouton du milieu de la souris.

Parameters

e	QMouseEvent decrivant l'evenement souris

mouseReleaseEvent()

void ElementView::mouseReleaseEvent ( QMouseEvent * e )

overrideprotected

ElementView::mouseReleaseEvent Manage event release click mouse.

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paste [1/3]

void ElementView::paste ( )

slot

Gere le fait de coller le contenu du presse-papier = l'importer dans l'element. Cette methode examine le contenu du presse-papier. Si celui-ci semble avoir ete copie depuis cet element, il est colle a cote de sa zone d'origine ; s'il est recolle, il sera colle un cran a cote de la zone deja recollee, etc. Sinon, cette methode demande a l'utilisateur de definir la zone ou le collage devra s'effectuer.

See also

pasteAreaDefined(const QRectF &)

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paste [2/3]

ElementContent ElementView::paste ( const QDomDocument & xml_document, const QPointF & pos )

privateslot

Colle le document XML xml_document a la position pos

Parameters

xml_document	Document XML a coller
pos	Coin superieur gauche du rectangle cible

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paste [3/3]

ElementContent ElementView::paste ( const QPointF & position )

privateslot

Gere le fait de coller le contenu du presse-papier = l'importer dans l'element. Cette methode examine le contenu du presse-papier. Si celui-ci est exploitable, elle le colle a la position passee en parametre.

See also

pasteAreaDefined(const QRectF &)

Parameters

position

Point de collage

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pasteAreaDefined

ElementContent ElementView::pasteAreaDefined ( const QRectF & target_rect )

privateslot

Slot appele lorsque la scene annonce avoir defini une zone de collage

Parameters

target_rect

Rectangle cible pour le collage

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pasteInArea

void ElementView::pasteInArea ( )

slot

Colle le contenu du presse-papier en demandant systematiquement a l'utilisateur de choisir une zone de collage

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pasteWithOffset

ElementContent ElementView::pasteWithOffset ( const QDomDocument & xml_document )

privateslot

Paste the XML document "xml_document" at position pos Colle le document XML xml_document a la position pos

Parameters

xml_document

Document XML a coller

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resetSceneRect

void ElementView::resetSceneRect ( )

slot

ElementView::resetSceneRect reset le sceneRect (zone du schéma visualisée par l'ElementView) afin que celui-ci inclut uniquement les primitives de l'élément dessiné.

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scaleClamped()

void ElementView::scaleClamped ( qreal factor )

private

Applique un facteur d'echelle a la vue en bornant l'echelle resultante entre m_min_zoom et m_max_zoom. Sans cette borne, un zoom repete (molette) finit par faire deborder la transformation de la vue et fait planter l'editeur (issue #798).

Parameters

factor

facteur d'echelle a appliquer

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scene()

ElementScene * ElementView::scene

(

)

const

Returns

l'ElementScene visualisee par cette ElementView

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setScene()

void ElementView::setScene

(

ElementScene *

s

)

Definit l'ElementScene visualisee par cette ElementView

Parameters

s	l'ElementScene visualisee par cette ElementView

setSelectionMode

void ElementView::setSelectionMode ( )

slot

Set the Diagram in Selection mode

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setVisualisationMode

void ElementView::setVisualisationMode ( )

slot

Set the Diagram in visualisation mode

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viewedSceneRect()

QRectF ElementView::viewedSceneRect

(

)

const

Returns

le rectangle de l'element visualise par cet ElementView

wheelEvent()

void ElementView::wheelEvent ( QWheelEvent * e )

overrideprotected

ElementView::wheelEvent.

Parameters

e

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zoomFit

void ElementView::zoomFit ( )

slot

Agrandit ou rectrecit le schema de facon a ce que tous les elements du schema soient visibles a l'ecran. S'il n'y a aucun element sur le schema, le zoom est reinitialise

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zoomIn

void ElementView::zoomIn ( )

slot

Agrandit le schema (+33% = inverse des -25 % de zoomMoins())

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zoomInSlowly

void ElementView::zoomInSlowly ( )

slot

Agrandit le schema avec le trackpad

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zoomOut

void ElementView::zoomOut ( )

slot

Retrecit le schema (-25% = inverse des +33 % de zoomPlus())

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zoomOutSlowly

void ElementView::zoomOutSlowly ( )

slot

Retrecit le schema avec le trackpad

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zoomReset

void ElementView::zoomReset ( )

slot

Reinitialise le zoom

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Friends And Related Symbol Documentation

PastePartsCommand

friend class PastePartsCommand

friend

Member Data Documentation

m_max_zoom

qreal ElementView::m_max_zoom = 200.0

staticconstexprprivate

m_min_zoom

qreal ElementView::m_min_zoom = 0.1

staticconstexprprivate

Lowest and highest allowed value of the view transform scale (m11). Prevents the wheel-zoom from driving the transform to overflow, which crashes the editor (bugtracker / GitHub issue #798).

m_scene

ElementScene* ElementView::m_scene

private

offset_paste_count_

int ElementView::offset_paste_count_

private

reference_view_

QPointF ElementView::reference_view_

private

start_top_left_corner_

QPointF ElementView::start_top_left_corner_

private

to_paste_in_area_

QString ElementView::to_paste_in_area_

private

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

• sources/editor/elementview.h
• sources/editor/elementview.cpp