examples/graphicsview/padnavigator/flippablepad.cpp
changeset 30 5dc02b23752f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/graphicsview/padnavigator/flippablepad.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "flippablepad.h"
+
+#include <QtGui/QtGui>
+
+//! [0]
+static QRectF boundsFromSize(const QSize &size)
+{
+    return QRectF((-size.width() / 2.0) * 150, (-size.height() / 2.0) * 150,
+                  size.width() * 150, size.height() * 150);
+}
+//! [0]
+
+//! [1]
+static QPointF posForLocation(int column, int row, const QSize &size)
+{
+    return QPointF(column * 150, row * 150)
+        - QPointF((size.width() - 1) * 75, (size.height() - 1) * 75);
+}
+//! [1]
+
+//! [2]
+FlippablePad::FlippablePad(const QSize &size, QGraphicsItem *parent)
+    : RoundRectItem(boundsFromSize(size), QColor(226, 255, 92, 64), parent)
+{
+//! [2]
+//! [3]
+    int numIcons = size.width() * size.height();
+    QList<QPixmap> pixmaps;
+    QDirIterator it(":/images", QStringList() << "*.png");
+    while (it.hasNext() && pixmaps.size() < numIcons)
+        pixmaps << it.next();
+//! [3]
+
+//! [4]
+    const QRectF iconRect(-54, -54, 108, 108);
+    const QColor iconColor(214, 240, 110, 128);
+    iconGrid.resize(size.height());
+    int n = 0;
+
+    for (int y = 0; y < size.height(); ++y) {
+        iconGrid[y].resize(size.width());
+        for (int x = 0; x < size.width(); ++x) {
+            RoundRectItem *rect = new RoundRectItem(iconRect, iconColor, this);
+            rect->setZValue(1);
+            rect->setPos(posForLocation(x, y, size));
+            rect->setPixmap(pixmaps.at(n++ % pixmaps.size()));
+            iconGrid[y][x] = rect;
+        }
+    }
+}
+//! [4]
+
+//! [5]
+RoundRectItem *FlippablePad::iconAt(int column, int row) const
+{
+    return iconGrid[row][column];
+}
+//! [5]