5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
265 lines
8.1 KiB
C++
265 lines
8.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "view.h"
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#include <QtGui>
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#ifdef Q_WS_WIN
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#define CALLGRIND_START_INSTRUMENTATION {}
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#define CALLGRIND_STOP_INSTRUMENTATION {}
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#else
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#include "valgrind/callgrind.h"
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#endif
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#ifndef QT_NO_OPENGL
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#include <QtOpenGL>
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#endif
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#include <qmath.h>
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class CountView : public QGraphicsView
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{
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protected:
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void paintEvent(QPaintEvent *event)
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{
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static int n = 0;
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if (n)
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CALLGRIND_START_INSTRUMENTATION
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QGraphicsView::paintEvent(event);
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if (n)
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CALLGRIND_STOP_INSTRUMENTATION
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if (++n == 500)
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qApp->quit();
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}
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};
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View::View(const QString &name, QWidget *parent)
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: QFrame(parent)
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{
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setFrameStyle(Sunken | StyledPanel);
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graphicsView = new CountView;
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graphicsView->setRenderHint(QPainter::Antialiasing, false);
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graphicsView->setDragMode(QGraphicsView::RubberBandDrag);
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graphicsView->setViewportUpdateMode(QGraphicsView::SmartViewportUpdate);
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int size = style()->pixelMetric(QStyle::PM_ToolBarIconSize);
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QSize iconSize(size, size);
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QToolButton *zoomInIcon = new QToolButton;
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zoomInIcon->setAutoRepeat(true);
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zoomInIcon->setAutoRepeatInterval(33);
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zoomInIcon->setAutoRepeatDelay(0);
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zoomInIcon->setIcon(QPixmap(":/zoomin.png"));
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zoomInIcon->setIconSize(iconSize);
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QToolButton *zoomOutIcon = new QToolButton;
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zoomOutIcon->setAutoRepeat(true);
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zoomOutIcon->setAutoRepeatInterval(33);
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zoomOutIcon->setAutoRepeatDelay(0);
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zoomOutIcon->setIcon(QPixmap(":/zoomout.png"));
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zoomOutIcon->setIconSize(iconSize);
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zoomSlider = new QSlider;
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zoomSlider->setMinimum(0);
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zoomSlider->setMaximum(500);
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zoomSlider->setValue(250);
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zoomSlider->setTickPosition(QSlider::TicksRight);
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// Zoom slider layout
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QVBoxLayout *zoomSliderLayout = new QVBoxLayout;
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zoomSliderLayout->addWidget(zoomInIcon);
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zoomSliderLayout->addWidget(zoomSlider);
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zoomSliderLayout->addWidget(zoomOutIcon);
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QToolButton *rotateLeftIcon = new QToolButton;
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rotateLeftIcon->setIcon(QPixmap(":/rotateleft.png"));
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rotateLeftIcon->setIconSize(iconSize);
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QToolButton *rotateRightIcon = new QToolButton;
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rotateRightIcon->setIcon(QPixmap(":/rotateright.png"));
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rotateRightIcon->setIconSize(iconSize);
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rotateSlider = new QSlider;
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rotateSlider->setOrientation(Qt::Horizontal);
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rotateSlider->setMinimum(-360);
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rotateSlider->setMaximum(360);
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rotateSlider->setValue(0);
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rotateSlider->setTickPosition(QSlider::TicksBelow);
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// Rotate slider layout
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QHBoxLayout *rotateSliderLayout = new QHBoxLayout;
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rotateSliderLayout->addWidget(rotateLeftIcon);
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rotateSliderLayout->addWidget(rotateSlider);
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rotateSliderLayout->addWidget(rotateRightIcon);
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resetButton = new QToolButton;
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resetButton->setText(tr("0"));
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resetButton->setEnabled(false);
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// Label layout
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QHBoxLayout *labelLayout = new QHBoxLayout;
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label = new QLabel(name);
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antialiasButton = new QToolButton;
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antialiasButton->setText(tr("Antialiasing"));
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antialiasButton->setCheckable(true);
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antialiasButton->setChecked(false);
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openGlButton = new QToolButton;
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openGlButton->setText(tr("OpenGL"));
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openGlButton->setCheckable(true);
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#ifndef QT_NO_OPENGL
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openGlButton->setEnabled(QGLFormat::hasOpenGL());
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#else
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openGlButton->setEnabled(false);
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#endif
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printButton = new QToolButton;
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printButton->setIcon(QIcon(QPixmap(":/fileprint.png")));
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labelLayout->addWidget(label);
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labelLayout->addStretch();
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labelLayout->addWidget(antialiasButton);
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labelLayout->addWidget(openGlButton);
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labelLayout->addWidget(printButton);
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QGridLayout *topLayout = new QGridLayout;
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topLayout->addLayout(labelLayout, 0, 0);
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topLayout->addWidget(graphicsView, 1, 0);
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topLayout->addLayout(zoomSliderLayout, 1, 1);
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topLayout->addLayout(rotateSliderLayout, 2, 0);
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topLayout->addWidget(resetButton, 2, 1);
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setLayout(topLayout);
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connect(resetButton, SIGNAL(clicked()), this, SLOT(resetView()));
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connect(zoomSlider, SIGNAL(valueChanged(int)), this, SLOT(setupMatrix()));
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connect(rotateSlider, SIGNAL(valueChanged(int)), this, SLOT(setupMatrix()));
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connect(graphicsView->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setResetButtonEnabled()));
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connect(graphicsView->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setResetButtonEnabled()));
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connect(antialiasButton, SIGNAL(toggled(bool)), this, SLOT(toggleAntialiasing()));
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connect(openGlButton, SIGNAL(toggled(bool)), this, SLOT(toggleOpenGL()));
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connect(rotateLeftIcon, SIGNAL(clicked()), this, SLOT(rotateLeft()));
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connect(rotateRightIcon, SIGNAL(clicked()), this, SLOT(rotateRight()));
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connect(zoomInIcon, SIGNAL(clicked()), this, SLOT(zoomIn()));
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connect(zoomOutIcon, SIGNAL(clicked()), this, SLOT(zoomOut()));
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connect(printButton, SIGNAL(clicked()), this, SLOT(print()));
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setupMatrix();
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startTimer(0);
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}
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QGraphicsView *View::view() const
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{
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return graphicsView;
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}
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void View::resetView()
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{
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zoomSlider->setValue(250);
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rotateSlider->setValue(0);
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setupMatrix();
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graphicsView->ensureVisible(QRectF(0, 0, 0, 0));
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resetButton->setEnabled(false);
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}
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void View::setResetButtonEnabled()
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{
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resetButton->setEnabled(true);
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}
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void View::setupMatrix()
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{
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qreal scale = qPow(qreal(2), (zoomSlider->value() - 250) / qreal(50));
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QMatrix matrix;
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matrix.scale(scale, scale);
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matrix.rotate(rotateSlider->value());
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graphicsView->setMatrix(matrix);
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setResetButtonEnabled();
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}
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void View::toggleOpenGL()
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{
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#ifndef QT_NO_OPENGL
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graphicsView->setViewport(openGlButton->isChecked() ? new QGLWidget(QGLFormat(QGL::SampleBuffers)) : new QWidget);
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#endif
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}
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void View::toggleAntialiasing()
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{
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graphicsView->setRenderHint(QPainter::Antialiasing, antialiasButton->isChecked());
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}
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void View::print()
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{
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#ifndef QT_NO_PRINTER
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QPrinter printer;
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QPrintDialog dialog(&printer, this);
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if (dialog.exec() == QDialog::Accepted) {
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QPainter painter(&printer);
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graphicsView->render(&painter);
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}
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#endif
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}
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void View::zoomIn()
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{
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zoomSlider->setValue(zoomSlider->value() + 1);
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}
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void View::zoomOut()
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{
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zoomSlider->setValue(zoomSlider->value() - 1);
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}
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void View::rotateLeft()
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{
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rotateSlider->setValue(rotateSlider->value() - 10);
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}
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void View::rotateRight()
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{
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rotateSlider->setValue(rotateSlider->value() + 10);
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}
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void View::timerEvent(QTimerEvent *)
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{
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graphicsView->horizontalScrollBar()->setValue(graphicsView->horizontalScrollBar()->value() + 1);
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}
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