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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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52
schema.cpp
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@@ -18,6 +18,7 @@ Schema::Schema(QObject *parent) : QGraphicsScene(parent) {
poseur_de_conducteur -> setPen(t);
poseur_de_conducteur -> setLine(QLineF(QPointF(0.0, 0.0), QPointF(0.0, 0.0)));
doit_dessiner_grille = true;
translation = QPoint(0, 0);
connect(this, SIGNAL(changed(const QList<QRectF> &)), this, SLOT(slot_checkSelectionChange()));
}
@@ -332,3 +333,54 @@ void Schema::slot_checkSelectionChange() {
if (cache_selecteditems != selecteditems) emit(selectionChanged());
cache_selecteditems = selecteditems;
}
/**
Gere les mouvements de souris sur le schema et, ipso facto, les
deplacements d'elements. Cette fonction veille a ne deplacer que les
elements (les conducteurs sont remis a jour par les bornes des elements)
et tient compte de la grille.
@param mouseEvent Un QGraphicsSceneMouseEvent decrivant l'evenement
"mouvement de souris"
*/
void Schema::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) {
if (mouseEvent -> buttons() & Qt::LeftButton) {
translation += (mouseEvent -> scenePos() - mouseEvent -> lastScenePos()).toPoint();
bool doit_translater = false;
int coeffx = 0, coeffy = 0;
if (translation.x() >= GRILLE_X) {
doit_translater = true;
coeffx = translation.x() / GRILLE_X;
translation.setX(translation.x() % GRILLE_X);
} else if (translation.x() <= -GRILLE_X) {
doit_translater = true;
coeffx = translation.x() / GRILLE_X;
translation.setX(translation.x() % GRILLE_X);
}
if (translation.y() >= GRILLE_Y) {
doit_translater = true;
coeffy = translation.y() / GRILLE_Y;
translation.setY(translation.y() % GRILLE_Y);
} else if (translation.y() <= -GRILLE_Y) {
doit_translater = true;
coeffy = translation.y() / GRILLE_Y;
translation.setY(translation.y() % GRILLE_Y);
}
if (doit_translater) {
// parcourt la listes des QGraphicsItem
foreach (QGraphicsItem *qgi, selectedItems()) {
// translate uniquement les elements (pas les conducteurs)
if (Element *e = qgraphicsitem_cast<Element *>(qgi))
e -> setPos(e -> pos() + QPointF(GRILLE_X * coeffx, GRILLE_Y * coeffy));
}
}
}
}
void Schema::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) {
translation = QPoint(0, 0);
QGraphicsScene::mouseReleaseEvent(mouseEvent);
}