Initial import of statemachine branch from the old kinetic repository

1 files changed, 106 insertions, 0 deletions

diff --git a/examples/animation/padnavigator-ng/roundrectitem.cpp b/examples/animation/padnavigator-ng/roundrectitem.cpp
new file mode 100644
index 0000000..e498538
--- /dev/null
+++ b/examples/animation/padnavigator-ng/roundrectitem.cpp
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+#include "roundrectitem.h"
+
+#include <QtGui/QtGui>
+
+RoundRectItem::RoundRectItem(const QRectF &rect, const QBrush &brush, QWidget *embeddedWidget)
+    : QGraphicsWidget(),
+      brush(brush),
+      proxyWidget(0),
+      m_rect(rect)
+{
+    if (embeddedWidget) {
+        proxyWidget = new QGraphicsProxyWidget(this);
+        proxyWidget->setFocusPolicy(Qt::StrongFocus);
+        proxyWidget->setWidget(embeddedWidget);
+    }
+}
+
+void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+{
+    const bool widgetHidden = parentItem() == 0 || qAbs(static_cast<QGraphicsWidget*>(parentItem())->yRotation()) < 90;
+    
+    if (proxyWidget) {
+        if (widgetHidden) {
+            proxyWidget->hide();
+        } else {
+            if (!proxyWidget->isVisible()) {
+                proxyWidget->setGeometry(boundingRect().adjusted(25, 25, -25, -25));
+                proxyWidget->show();
+                proxyWidget->setFocus();
+            }
+            painter->setBrush(brush);
+            painter->setPen(QPen(Qt::black, 1));
+            painter->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+            painter->drawRoundRect(m_rect);
+        }
+    } else if (widgetHidden) {
+        painter->setPen(Qt::NoPen);
+        painter->setBrush(QColor(0, 0, 0, 64));
+        painter->drawRoundRect(m_rect.translated(2, 2));
+
+        QLinearGradient gradient(m_rect.topLeft(), m_rect.bottomRight());
+        const QColor col = brush.color();
+        gradient.setColorAt(0, col);
+        gradient.setColorAt(1, col.dark(200));
+        painter->setBrush(gradient);
+        painter->setPen(QPen(Qt::black, 1));
+        painter->drawRoundRect(m_rect);
+        if (!pix.isNull()) {
+            painter->scale(qreal(1.95), qreal(1.95));
+            painter->drawPixmap(-pix.width() / 2, -pix.height() / 2, pix);
+        }
+    }
+
+}
+
+QRectF RoundRectItem::boundingRect() const
+{
+    qreal penW = qreal(.5);
+    qreal shadowW = 2;
+    return m_rect.adjusted(-penW, -penW, penW + shadowW, penW + shadowW);
+}
+
+void RoundRectItem::setPixmap(const QPixmap &pixmap)
+{
+    pix = pixmap;
+    if (scene() && isVisible())
+        update();
+}
+
+void RoundRectItem::keyPressEvent(QKeyEvent *event)
+{
+    if (event->isAutoRepeat() || event->key() != Qt::Key_Return) {
+        QGraphicsWidget::keyPressEvent(event);
+        return;
+    }
+
+    if (!proxyWidget) {
+       setXScale(qreal(.9));
+       setYScale(qreal(.9));
+    }
+    emit activated();
+}
+
+void RoundRectItem::keyReleaseEvent(QKeyEvent *event)
+{
+    if (event->isAutoRepeat() || event->key() != Qt::Key_Return) {
+        QGraphicsWidget::keyReleaseEvent(event);
+        return;
+    }
+
+    if (!proxyWidget) {
+        setXScale(1);
+        setYScale(1);
+    }
+}