diff options
author | David Boddie <david.boddie@nokia.com> | 2011-04-27 19:16:41 +0200 |
---|---|---|
committer | David Boddie <david.boddie@nokia.com> | 2011-05-23 14:24:07 +0200 |
commit | 0748751c9f097d9d866605306bbdd4b96e2a5c4e (patch) | |
tree | 1838365e6ad6592a26e193289d2136cb89319972 /examples/graphicsview/elasticnodes/graphwidget.cpp | |
parent | 5feefb0c039dae04290d1fca7c2f24276b6f7582 (diff) |
Squashed commit of the changes from the mobile-examples repository
(4.7-generated-declarative branch).
Diffstat (limited to 'examples/graphicsview/elasticnodes/graphwidget.cpp')
-rw-r--r-- | examples/graphicsview/elasticnodes/graphwidget.cpp | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/examples/graphicsview/elasticnodes/graphwidget.cpp b/examples/graphicsview/elasticnodes/graphwidget.cpp index c875b6551d..f6bf05de31 100644 --- a/examples/graphicsview/elasticnodes/graphwidget.cpp +++ b/examples/graphicsview/elasticnodes/graphwidget.cpp @@ -132,17 +132,14 @@ void GraphWidget::keyPressEvent(QKeyEvent *event) centerNode->moveBy(20, 0); break; case Qt::Key_Plus: - scaleView(qreal(1.2)); + zoomIn(); break; case Qt::Key_Minus: - scaleView(1 / qreal(1.2)); + zoomOut(); break; case Qt::Key_Space: case Qt::Key_Enter: - foreach (QGraphicsItem *item, scene()->items()) { - if (qgraphicsitem_cast<Node *>(item)) - item->setPos(-150 + qrand() % 300, -150 + qrand() % 300); - } + shuffle(); break; default: QGraphicsView::keyPressEvent(event); @@ -206,6 +203,7 @@ void GraphWidget::drawBackground(QPainter *painter, const QRectF &rect) painter->setBrush(Qt::NoBrush); painter->drawRect(sceneRect); +#if !defined(Q_OS_SYMBIAN) && !defined(Q_WS_MAEMO_5) // Text QRectF textRect(sceneRect.left() + 4, sceneRect.top() + 4, sceneRect.width() - 4, sceneRect.height() - 4); @@ -220,6 +218,7 @@ void GraphWidget::drawBackground(QPainter *painter, const QRectF &rect) painter->drawText(textRect.translated(2, 2), message); painter->setPen(Qt::black); painter->drawText(textRect, message); +#endif } //! [6] @@ -233,3 +232,21 @@ void GraphWidget::scaleView(qreal scaleFactor) scale(scaleFactor, scaleFactor); } //! [7] + +void GraphWidget::shuffle() +{ + foreach (QGraphicsItem *item, scene()->items()) { + if (qgraphicsitem_cast<Node *>(item)) + item->setPos(-150 + qrand() % 300, -150 + qrand() % 300); + } +} + +void GraphWidget::zoomIn() +{ + scaleView(qreal(1.2)); +} + +void GraphWidget::zoomOut() +{ + scaleView(1 / qreal(1.2)); +} |