--- a/examples/effects/blurpicker/blurpicker.cpp Tue Jan 26 12:42:25 2010 +0200
+++ b/examples/effects/blurpicker/blurpicker.cpp Tue Feb 02 00:43:10 2010 +0200
@@ -49,24 +49,29 @@
#define M_PI 3.14159265358979323846
#endif
-BlurPicker::BlurPicker(QWidget *parent): QGraphicsView(parent), m_index(0.0)
+BlurPicker::BlurPicker(QWidget *parent): QGraphicsView(parent), m_index(0.0), m_animation(this, "index")
{
setBackgroundBrush(QPixmap(":/images/background.jpg"));
- setScene(&m_scene);
+ setScene(new QGraphicsScene(this));
setupScene();
- updateIconPositions();
+ setIndex(0);
- connect(&m_timeLine, SIGNAL(valueChanged(qreal)), SLOT(updateIconPositions()));
- m_timeLine.setDuration(400);
+ m_animation.setDuration(400);
+ m_animation.setEasingCurve(QEasingCurve::InOutSine);
setRenderHint(QPainter::Antialiasing, true);
setFrameStyle(QFrame::NoFrame);
}
-void BlurPicker::updateIconPositions()
+qreal BlurPicker::index() const
{
- m_index = m_timeLine.currentFrame() / 1000.0;
+ return m_index;
+}
+
+void BlurPicker::setIndex(qreal index)
+{
+ m_index = index;
qreal baseline = 0;
for (int i = 0; i < m_icons.count(); ++i) {
@@ -82,12 +87,12 @@
static_cast<BlurEffect *>(icon->graphicsEffect())->setBaseLine(baseline);
}
- m_scene.update();
+ scene()->update();
}
void BlurPicker::setupScene()
{
- m_scene.setSceneRect(-200, -120, 400, 240);
+ scene()->setSceneRect(-200, -120, 400, 240);
QStringList names;
names << ":/images/accessories-calculator.png";
@@ -101,32 +106,34 @@
for (int i = 0; i < names.count(); i++) {
QPixmap pixmap(names[i]);
- QGraphicsPixmapItem *icon = m_scene.addPixmap(pixmap);
+ QGraphicsPixmapItem *icon = scene()->addPixmap(pixmap);
icon->setZValue(1);
icon->setGraphicsEffect(new BlurEffect(icon));
m_icons << icon;
}
- QGraphicsPixmapItem *bg = m_scene.addPixmap(QPixmap(":/images/background.jpg"));
+ QGraphicsPixmapItem *bg = scene()->addPixmap(QPixmap(":/images/background.jpg"));
bg->setZValue(0);
bg->setPos(-200, -150);
}
void BlurPicker::keyPressEvent(QKeyEvent *event)
{
- if (event->key() == Qt::Key_Left) {
- if (m_timeLine.state() == QTimeLine::NotRunning) {
- m_timeLine.setFrameRange(m_index * 1000, m_index * 1000 - 1000);
- m_timeLine.start();
- event->accept();
- }
+ int delta = 0;
+ switch (event->key())
+ {
+ case Qt::Key_Left:
+ delta = -1;
+ break;
+ case Qt::Key_Right:
+ delta = 1;
+ break;
+ default:
+ break;
}
-
- if (event->key() == Qt::Key_Right) {
- if (m_timeLine.state() == QTimeLine::NotRunning) {
- m_timeLine.setFrameRange(m_index * 1000, m_index * 1000 + 1000);
- m_timeLine.start();
+ if (m_animation.state() == QAbstractAnimation::Stopped && delta) {
+ m_animation.setEndValue(m_index + delta);
+ m_animation.start();
event->accept();
- }
}
}