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Editeur d'elements : il est desormais possible de deplacer les parties selectionnees avec les fleches du clavier.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@794 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2009-11-22 18:50:30 +00:00
parent 25d90e4f7d
commit e45fc6e21d
2 changed files with 61 additions and 1 deletions
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53
sources/editor/elementscene.cpp
View File

@@ -375,6 +375,59 @@ void ElementScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *e) {
} else QGraphicsScene::mouseReleaseEvent(e);
}
/**
Gere les enfoncements de touches du clavier
@param e QKeyEvent decrivant l'evenement clavier
*/
void ElementScene::keyPressEvent(QKeyEvent *e) {
bool is_read_only = element_editor && element_editor -> isReadOnly();
if (!is_read_only) {
const qreal movement_length = 1.0;
QPointF movement;
switch(e -> key()) {
case Qt::Key_Left: movement = QPointF(-movement_length, 0.0); break;
case Qt::Key_Right: movement = QPointF(+movement_length, 0.0); break;
case Qt::Key_Up: movement = QPointF(0.0, -movement_length); break;
case Qt::Key_Down: movement = QPointF(0.0, +movement_length); break;
}
if (!movement.isNull() && !focusItem()) {
qDebug() << "keyPressEvent: let's move by " << movement;
if (!moving_parts_) {
moving_parts_ = true;
fsi_pos = movement;
} else {
fsi_pos += movement;
}
foreach(QGraphicsItem *qgi, selectedItems()) {
qgi -> setPos(qgi -> pos() + movement);
}
}
}
QGraphicsScene::keyPressEvent(e);
}
/**
Gere les relachements de touches du clavier
@param e QKeyEvent decrivant l'evenement clavier
*/
void ElementScene::keyReleaseEvent(QKeyEvent *e) {
bool is_read_only = element_editor && element_editor -> isReadOnly();
if (!is_read_only) {
// detecte le relachement d'une touche de direction ( = deplacement de parties)
if (
(e -> key() == Qt::Key_Left || e -> key() == Qt::Key_Right ||\
e -> key() == Qt::Key_Up || e -> key() == Qt::Key_Down) &&\
moving_parts_ && !e -> isAutoRepeat()
) {
// cree un objet d'annulation pour le mouvement qui vient de se finir
undo_stack.push(new MovePartsCommand(fsi_pos, this, selectedItems()));
fsi_pos = QPointF();
moving_parts_ = false;
}
}
QGraphicsScene::keyReleaseEvent(e);
}
/**
Dessine l'arriere-plan de l'editeur, cad la grille.
@param p Le QPainter a utiliser pour dessiner

9
sources/editor/elementscene.h
View File

@@ -68,7 +68,12 @@ class ElementScene : public QGraphicsScene {
QGIManager qgi_manager;
/// Pile des actions annulables
QUndoStack undo_stack;
/// Position du premier item selectionne (utilise pour annuler les deplacements)
/**
fsi_pos (first selected item pos) : Position du premier item
selectionne : utilise pour annuler les deplacements a la souris ;
egalement utilise pour gerer les deplacements avec les fleches du
clavier.
*/
QPointF fsi_pos;
QPointF moving_press_pos;
bool moving_parts_;
@@ -135,6 +140,8 @@ class ElementScene : public QGraphicsScene {
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *);
virtual void mousePressEvent(QGraphicsSceneMouseEvent *);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *);
virtual void keyPressEvent(QKeyEvent *);
virtual void keyReleaseEvent(QKeyEvent *);
virtual void drawBackground(QPainter *, const QRectF &);
virtual void drawForeground(QPainter *, const QRectF &);
virtual void endCurrentBehavior(const QGraphicsSceneMouseEvent *);