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Amelioration du rendu des conducteurs lors du deplacement d'elements

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@37 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavierqet
2006-11-30 18:05:02 +00:00
parent f1bfb71f1e
commit 4cb641fa2b
7 changed files with 124 additions and 19 deletions
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23
element.cpp
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@@ -98,10 +98,17 @@ QPixmap Element::pixmap() {
}
/**
@todo distinguer les bornes avec un cast dynamique
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::ItemPositionChange || change == QGraphicsItem::ItemSelectedChange) {
if (change == QGraphicsItem::ItemPositionChange) {
foreach(QGraphicsItem *qgi, children()) {
if (Borne *p = qgraphicsitem_cast<Borne *>(qgi)) p -> updateConducteur(value.toPointF());
}
} else if (change == QGraphicsItem::ItemSelectedChange) {
foreach(QGraphicsItem *qgi, children()) {
if (Borne *p = qgraphicsitem_cast<Borne *>(qgi)) p -> updateConducteur();
}
@@ -192,10 +199,6 @@ void Element::setPos(const QPointF &p) {
int p_y = qRound(p.y() / 10.0) * 10;
QGraphicsItem::setPos(p_x, p_y);
} else QGraphicsItem::setPos(p);
// actualise les bornes / conducteurs
foreach(QGraphicsItem *qgi, children()) {
if (Borne *p = qgraphicsitem_cast<Borne *>(qgi)) p -> updateConducteur();
}
}
/**
@@ -215,7 +218,7 @@ void Element::mouseMoveEvent(QGraphicsSceneMouseEvent *e) {
/*&& (flags() & ItemIsMovable)*/ // on le sait qu'il est movable
if (e -> buttons() & Qt::LeftButton) {
QPointF oldPos = pos();
setPos(mapToParent(e->pos()) - matrix().map(e->buttonDownPos(Qt::LeftButton)));
setPos(mapToParent(e -> pos()) - matrix().map(e -> buttonDownPos(Qt::LeftButton)));
QPointF diff = pos() - oldPos;
// Recupere la liste des elements selectionnes
@@ -223,13 +226,13 @@ void Element::mouseMoveEvent(QGraphicsSceneMouseEvent *e) {
if (scene()) {
selectedItems = scene() -> selectedItems();
} else if (QGraphicsItem *parent = parentItem()) {
while (parent && parent->isSelected()) selectedItems << parent;
while (parent && parent -> isSelected()) selectedItems << parent;
}
// Deplace tous les elements selectionnes
foreach (QGraphicsItem *item, selectedItems) {
if (!item->parentItem() || !item->parentItem()->isSelected())
if (item != this) item->setPos(item->pos() + diff);
if (!item -> parentItem() || !item -> parentItem() -> isSelected())
if (item != this) item -> setPos(item -> pos() + diff);
}
} else e -> ignore();
}