diff options
Diffstat (limited to 'tests/manual/widgets/qgraphicsview/rubberband/rubberbandtest.cpp')
-rw-r--r-- | tests/manual/widgets/qgraphicsview/rubberband/rubberbandtest.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/tests/manual/widgets/qgraphicsview/rubberband/rubberbandtest.cpp b/tests/manual/widgets/qgraphicsview/rubberband/rubberbandtest.cpp new file mode 100644 index 0000000000..d8c2de6398 --- /dev/null +++ b/tests/manual/widgets/qgraphicsview/rubberband/rubberbandtest.cpp @@ -0,0 +1,99 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Thorbjørn Lund Martsum - tmartsum[at]gmail.com +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtWidgets> + +class MyGraphicsItem : public QGraphicsRectItem +{ +public: + MyGraphicsItem() : QGraphicsRectItem() + { + setFlags(QGraphicsItem::ItemIsSelectable); + } + + void paint(QPainter *painter, const QStyleOptionGraphicsItem * /* option*/, QWidget * /*widget*/) + { + if (isSelected()) + painter->fillRect(rect(), QColor(255, 0, 0)); + else + painter->fillRect(rect(), QColor(0, 255, 0)); + } +}; + +class MyGraphicsView : public QGraphicsView +{ + +public: + MyGraphicsView() : QGraphicsView() + { + setDragMode(QGraphicsView::RubberBandDrag); + } +protected: + void mouseMoveEvent(QMouseEvent *event) + { + int rightmostInView = viewport()->mapToGlobal(viewport()->geometry().topRight()).x(); + int xglobal = event->globalX(); + if (xglobal > rightmostInView) + horizontalScrollBar()->setValue(horizontalScrollBar()->value() + 10); + QGraphicsView::mouseMoveEvent(event); + } +}; + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + MyGraphicsView v; + + QGraphicsScene s(0.0, 0.0, 10000.0, 100.0); + v.setScene(&s); + v.setInteractive(true); + v.setRubberBandSelectionMode(Qt::IntersectsItemBoundingRect); + s.addRect( (qreal) 0.0, 0.0, 1000.0, 50.0, QPen(),QBrush(QColor(0,0,255))); + + for (int u = 0; u < 100; ++u) { + MyGraphicsItem *item = new MyGraphicsItem(); + item->setRect(QRectF(u * 100, 50.0, 50.0, 20.0)); + s.addItem(item); + } + v.show(); + app.exec(); + return 0; +} |