kotschak/qelectrotech-source-mirror
0
0
Fork 0
mirror of https://github.com/qelectrotech/qelectrotech-source-mirror.git synced 2025-12-19 23:20:52 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Optimisation du deplacement des elements

Browse Source 
git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@122 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavierqet
2007-09-15 22:14:23 +00:00
parent 55c79617e1
commit 271775c8a4
5 changed files with 102 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
element.cpp
View File

@@ -1,5 +1,6 @@
#include "element.h"
#include "diagram.h"
#include "conducer.h"
#include "elementtextitem.h"
#include <QtDebug>
@@ -103,21 +104,6 @@ QPixmap Element::pixmap() {
return(apercu);
}
/**
Gere les changements d'etat de l'element
@param change type du changement d'etat
@param value valeur du changement d'etat
@return la valeur du changement d'etat
*/
QVariant Element::itemChange(GraphicsItemChange change, const QVariant &value) {
if (change == QGraphicsItem::ItemPositionHasChanged) {
foreach(QGraphicsItem *qgi, children()) {
if (Terminal *p = qgraphicsitem_cast<Terminal *>(qgi)) p -> updateConducer(value.toPointF());
}
}
return(QGraphicsItem::itemChange(change, value));
}
/**
Permet de specifier l'orientation de l'element
@param o la nouvelle orientation de l'objet
@@ -187,7 +173,7 @@ void Element::drawSelection(QPainter *painter, const QStyleOptionGraphicsItem *)
t.setStyle(Qt::DashDotLine);
painter -> setPen(t);
// Le dessin se fait a partir du rectangle delimitant
painter -> drawRoundRect(boundingRect(), 10, 10);
painter -> drawRoundRect(boundingRect().adjusted(1, 1, -1, -1), 10, 10);
painter -> restore();
}
@@ -236,7 +222,7 @@ void Element::setPos(qreal x, qreal y) {
}
/**
Gere les mouvements de souris lies a l'element, notamment
Gere les mouvements de souris lies a l'element
*/
void Element::mouseMoveEvent(QGraphicsSceneMouseEvent *e) {
if (e -> buttons() & Qt::LeftButton) {
@@ -244,22 +230,41 @@ void Element::mouseMoveEvent(QGraphicsSceneMouseEvent *e) {
setPos(mapToParent(e -> pos()) - matrix().map(e -> buttonDownPos(Qt::LeftButton)));
QPointF diff = pos() - oldPos;
// Recupere la liste des elements selectionnes
QList<QGraphicsItem *> selectedItems;
if (scene()) {
selectedItems = scene() -> selectedItems();
} else if (QGraphicsItem *parent = parentItem()) {
while (parent && parent -> isSelected()) selectedItems << parent;
// inutile de deplacer les autres elements s'il n'y a pas eu de mouvement concret
if (diff.isNull()) return;
// recupere le schema parent
if (!scene()) return;
Diagram *diagram = qobject_cast<Diagram *>(scene());
if (!diagram) return;
// deplace les elements selectionnes
foreach(Element *element, diagram -> elementsToMove()) {
if (element == this) continue;
element -> setPos(element -> pos() + diff);
};
// deplace certains conducteurs
foreach(Conducer *conducer, diagram -> conducersToMove()) {
conducer -> setPos(conducer -> pos() + diff);
}
// Deplace tous les elements selectionnes
foreach (QGraphicsItem *item, selectedItems) {
if (!item -> parentItem() || !item -> parentItem() -> isSelected())
if (item != this && qgraphicsitem_cast<Element *>(item)) item -> setPos(item -> pos() + diff);
// recalcule les autres conducteurs
const QHash<Conducer *, Terminal *> &conducers_modify = diagram -> conducersToUpdate();
foreach(Conducer *conducer, conducers_modify.keys()) {
conducer -> updateWithNewPos(QRectF(), conducers_modify[conducer], conducers_modify[conducer] -> scenePos());
}
} else e -> ignore();
}
void Element::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
if (scene()) {
Diagram *diagram = qobject_cast<Diagram *>(scene());
if (diagram) diagram -> invalidateMovedElements();
}
QGraphicsItem::mouseReleaseEvent(e);
}
/**
Permet de savoir si un element XML (QDomElement) represente bien un element
@param e Le QDomElement a valide