/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** 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, Nokia gives you certain ** additional rights. These rights are described in the Nokia Qt LGPL ** Exception version 1.0, 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. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at qt-sales@nokia.com. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include "mainwindow.h" #include "tabletcanvas.h" //! [0] MainWindow::MainWindow(TabletCanvas *canvas) { myCanvas = canvas; createActions(); createMenus(); myCanvas->setColor(Qt::red); myCanvas->setLineWidthType(TabletCanvas::LineWidthPressure); myCanvas->setAlphaChannelType(TabletCanvas::NoAlpha); myCanvas->setColorSaturationType(TabletCanvas::NoSaturation); setWindowTitle(tr("Tablet Example")); setCentralWidget(myCanvas); } //! [0] //! [1] void MainWindow::brushColorAct() { QColor color = QColorDialog::getColor(myCanvas->color()); if (color.isValid()) myCanvas->setColor(color); } //! [1] //! [2] void MainWindow::alphaActionTriggered(QAction *action) { if (action == alphaChannelPressureAction) { myCanvas->setAlphaChannelType(TabletCanvas::AlphaPressure); } else if (action == alphaChannelTiltAction) { myCanvas->setAlphaChannelType(TabletCanvas::AlphaTilt); } else { myCanvas->setAlphaChannelType(TabletCanvas::NoAlpha); } } //! [2] //! [3] void MainWindow::lineWidthActionTriggered(QAction *action) { if (action == lineWidthPressureAction) { myCanvas->setLineWidthType(TabletCanvas::LineWidthPressure); } else if (action == lineWidthTiltAction) { myCanvas->setLineWidthType(TabletCanvas::LineWidthTilt); } else { myCanvas->setLineWidthType(TabletCanvas::NoLineWidth); } } //! [3] //! [4] void MainWindow::saturationActionTriggered(QAction *action) { if (action == colorSaturationVTiltAction) { myCanvas->setColorSaturationType(TabletCanvas::SaturationVTilt); } else if (action == colorSaturationHTiltAction) { myCanvas->setColorSaturationType(TabletCanvas::SaturationHTilt); } else if (action == colorSaturationPressureAction) { myCanvas->setColorSaturationType(TabletCanvas::SaturationPressure); } else { myCanvas->setColorSaturationType(TabletCanvas::NoSaturation); } } //! [4] //! [5] void MainWindow::saveAct() { QString path = QDir::currentPath() + "/untitled.png"; QString fileName = QFileDialog::getSaveFileName(this, tr("Save Picture"), path); if (!myCanvas->saveImage(fileName)) QMessageBox::information(this, "Error Saving Picture", "Could not save the image"); } //! [5] //! [6] void MainWindow::loadAct() { QString fileName = QFileDialog::getOpenFileName(this, tr("Open Picture"), QDir::currentPath()); if (!myCanvas->loadImage(fileName)) QMessageBox::information(this, "Error Opening Picture", "Could not open picture"); } //! [6] //! [7] void MainWindow::aboutAct() { QMessageBox::about(this, tr("About Tablet Example"), tr("This example shows use of a Wacom tablet in Qt")); } //! [7] //! [8] void MainWindow::createActions() { //! [8] brushColorAction = new QAction(tr("&Brush Color..."), this); brushColorAction->setShortcut(tr("Ctrl+C")); connect(brushColorAction, SIGNAL(triggered()), this, SLOT(brushColorAct())); //! [9] alphaChannelPressureAction = new QAction(tr("&Pressure"), this); alphaChannelPressureAction->setCheckable(true); alphaChannelTiltAction = new QAction(tr("&Tilt"), this); alphaChannelTiltAction->setCheckable(true); noAlphaChannelAction = new QAction(tr("No Alpha Channel"), this); noAlphaChannelAction->setCheckable(true); noAlphaChannelAction->setChecked(true); alphaChannelGroup = new QActionGroup(this); alphaChannelGroup->addAction(alphaChannelPressureAction); alphaChannelGroup->addAction(alphaChannelTiltAction); alphaChannelGroup->addAction(noAlphaChannelAction); connect(alphaChannelGroup, SIGNAL(triggered(QAction *)), this, SLOT(alphaActionTriggered(QAction *))); //! [9] colorSaturationVTiltAction = new QAction(tr("&Vertical Tilt"), this); colorSaturationVTiltAction->setCheckable(true); colorSaturationHTiltAction = new QAction(tr("&Horizontal Tilt"), this); colorSaturationHTiltAction->setCheckable(true); colorSaturationPressureAction = new QAction(tr("&Pressure"), this); colorSaturationPressureAction->setCheckable(true); noColorSaturationAction = new QAction(tr("&No Color Saturation"), this); noColorSaturationAction->setCheckable(true); noColorSaturationAction->setChecked(true); colorSaturationGroup = new QActionGroup(this); colorSaturationGroup->addAction(colorSaturationVTiltAction); colorSaturationGroup->addAction(colorSaturationHTiltAction); colorSaturationGroup->addAction(colorSaturationPressureAction); colorSaturationGroup->addAction(noColorSaturationAction); connect(colorSaturationGroup, SIGNAL(triggered(QAction *)), this, SLOT(saturationActionTriggered(QAction *))); lineWidthPressureAction = new QAction(tr("&Pressure"), this); lineWidthPressureAction->setCheckable(true); lineWidthPressureAction->setChecked(true); lineWidthTiltAction = new QAction(tr("&Tilt"), this); lineWidthTiltAction->setCheckable(true); lineWidthFixedAction = new QAction(tr("&Fixed"), this); lineWidthFixedAction->setCheckable(true); lineWidthGroup = new QActionGroup(this); lineWidthGroup->addAction(lineWidthPressureAction); lineWidthGroup->addAction(lineWidthTiltAction); lineWidthGroup->addAction(lineWidthFixedAction); connect(lineWidthGroup, SIGNAL(triggered(QAction *)), this, SLOT(lineWidthActionTriggered(QAction *))); exitAction = new QAction(tr("E&xit"), this); exitAction->setShortcut(tr("Ctrl+X")); connect(exitAction, SIGNAL(triggered()), this, SLOT(close())); loadAction = new QAction(tr("&Open..."), this); loadAction->setShortcut(tr("Ctrl+O")); connect(loadAction, SIGNAL(triggered()), this, SLOT(loadAct())); saveAction = new QAction(tr("&Save As..."), this); saveAction->setShortcut(tr("Ctrl+S")); connect(saveAction, SIGNAL(triggered()), this, SLOT(saveAct())); aboutAction = new QAction(tr("A&bout"), this); aboutAction->setShortcut(tr("Ctrl+B")); connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutAct())); aboutQtAction = new QAction(tr("About &Qt"), this); aboutQtAction->setShortcut(tr("Ctrl+Q")); connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt())); //! [10] } //! [10] //! [11] void MainWindow::createMenus() { fileMenu = menuBar()->addMenu(tr("&File")); fileMenu->addAction(loadAction); fileMenu->addAction(saveAction); fileMenu->addSeparator(); fileMenu->addAction(exitAction); brushMenu = menuBar()->addMenu(tr("&Brush")); brushMenu->addAction(brushColorAction); tabletMenu = menuBar()->addMenu(tr("&Tablet")); lineWidthMenu = tabletMenu->addMenu(tr("&Line Width")); lineWidthMenu->addAction(lineWidthPressureAction); lineWidthMenu->addAction(lineWidthTiltAction); lineWidthMenu->addAction(lineWidthFixedAction); alphaChannelMenu = tabletMenu->addMenu(tr("&Alpha Channel")); alphaChannelMenu->addAction(alphaChannelPressureAction); alphaChannelMenu->addAction(alphaChannelTiltAction); alphaChannelMenu->addAction(noAlphaChannelAction); colorSaturationMenu = tabletMenu->addMenu(tr("&Color Saturation")); colorSaturationMenu->addAction(colorSaturationVTiltAction); colorSaturationMenu->addAction(colorSaturationHTiltAction); colorSaturationMenu->addAction(noColorSaturationAction); helpMenu = menuBar()->addMenu("&Help"); helpMenu->addAction(aboutAction); helpMenu->addAction(aboutQtAction); } //! [11]