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Diffstat (limited to 'examples/multitouch/fingerpaint/mainwindow.cpp')
| -rw-r--r-- | examples/multitouch/fingerpaint/mainwindow.cpp | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/examples/multitouch/fingerpaint/mainwindow.cpp b/examples/multitouch/fingerpaint/mainwindow.cpp deleted file mode 100644 index ec42da3..0000000 --- a/examples/multitouch/fingerpaint/mainwindow.cpp +++ /dev/null @@ -1,217 +0,0 @@ -/**************************************************************************** -** -** 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 <QtGui> - -#include "mainwindow.h" -#include "scribblearea.h" - -//! [0] -MainWindow::MainWindow() -{ - scribbleArea = new ScribbleArea; - setCentralWidget(scribbleArea); - - createActions(); - createMenus(); - - setWindowTitle(tr("Finger Paint")); - resize(500, 500); -} -//! [0] - -//! [1] -void MainWindow::closeEvent(QCloseEvent *event) -//! [1] //! [2] -{ - if (maybeSave()) { - event->accept(); - } else { - event->ignore(); - } -} -//! [2] - -//! [3] -void MainWindow::open() -//! [3] //! [4] -{ - if (maybeSave()) { - QString fileName = QFileDialog::getOpenFileName(this, - tr("Open File"), QDir::currentPath()); - if (!fileName.isEmpty()) - scribbleArea->openImage(fileName); - } -} -//! [4] - -//! [5] -void MainWindow::save() -//! [5] //! [6] -{ - QAction *action = qobject_cast<QAction *>(sender()); - QByteArray fileFormat = action->data().toByteArray(); - saveFile(fileFormat); -} -//! [6] - -//! [11] -void MainWindow::about() -//! [11] //! [12] -{ - QMessageBox::about(this, tr("About Scribble"), - tr("<p>The <b>Scribble</b> example shows how to use QMainWindow as the " - "base widget for an application, and how to reimplement some of " - "QWidget's event handlers to receive the events generated for " - "the application's widgets:</p><p> We reimplement the mouse event " - "handlers to facilitate drawing, the paint event handler to " - "update the application and the resize event handler to optimize " - "the application's appearance. In addition we reimplement the " - "close event handler to intercept the close events before " - "terminating the application.</p><p> The example also demonstrates " - "how to use QPainter to draw an image in real time, as well as " - "to repaint widgets.</p>")); -} -//! [12] - -//! [13] -void MainWindow::createActions() -//! [13] //! [14] -{ - openAct = new QAction(tr("&Open..."), this); - openAct->setShortcut(tr("Ctrl+O")); - connect(openAct, SIGNAL(triggered()), this, SLOT(open())); - - foreach (QByteArray format, QImageWriter::supportedImageFormats()) { - QString text = tr("%1...").arg(QString(format).toUpper()); - - QAction *action = new QAction(text, this); - action->setData(format); - connect(action, SIGNAL(triggered()), this, SLOT(save())); - saveAsActs.append(action); - } - - printAct = new QAction(tr("&Print..."), this); - connect(printAct, SIGNAL(triggered()), scribbleArea, SLOT(print())); - - exitAct = new QAction(tr("E&xit"), this); - exitAct->setShortcut(tr("Ctrl+Q")); - connect(exitAct, SIGNAL(triggered()), this, SLOT(close())); - - clearScreenAct = new QAction(tr("&Clear Screen"), this); - clearScreenAct->setShortcut(tr("Ctrl+L")); - connect(clearScreenAct, SIGNAL(triggered()), - scribbleArea, SLOT(clearImage())); - - aboutAct = new QAction(tr("&About"), this); - connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); - - aboutQtAct = new QAction(tr("About &Qt"), this); - connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); -} -//! [14] - -//! [15] -void MainWindow::createMenus() -//! [15] //! [16] -{ - saveAsMenu = new QMenu(tr("&Save As"), this); - foreach (QAction *action, saveAsActs) - saveAsMenu->addAction(action); - - fileMenu = new QMenu(tr("&File"), this); - fileMenu->addAction(openAct); - fileMenu->addMenu(saveAsMenu); - fileMenu->addAction(printAct); - fileMenu->addSeparator(); - fileMenu->addAction(exitAct); - - optionMenu = new QMenu(tr("&Options"), this); - optionMenu->addAction(clearScreenAct); - - helpMenu = new QMenu(tr("&Help"), this); - helpMenu->addAction(aboutAct); - helpMenu->addAction(aboutQtAct); - - menuBar()->addMenu(fileMenu); - menuBar()->addMenu(optionMenu); - menuBar()->addMenu(helpMenu); -} -//! [16] - -//! [17] -bool MainWindow::maybeSave() -//! [17] //! [18] -{ - if (scribbleArea->isModified()) { - QMessageBox::StandardButton ret; - ret = QMessageBox::warning(this, tr("Scribble"), - tr("The image has been modified.\n" - "Do you want to save your changes?"), - QMessageBox::Save | QMessageBox::Discard - | QMessageBox::Cancel); - if (ret == QMessageBox::Save) { - return saveFile("png"); - } else if (ret == QMessageBox::Cancel) { - return false; - } - } - return true; -} -//! [18] - -//! [19] -bool MainWindow::saveFile(const QByteArray &fileFormat) -//! [19] //! [20] -{ - QString initialPath = QDir::currentPath() + "/untitled." + fileFormat; - - QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), - initialPath, - tr("%1 Files (*.%2);;All Files (*)") - .arg(QString(fileFormat.toUpper())) - .arg(QString(fileFormat))); - if (fileName.isEmpty()) { - return false; - } else { - return scribbleArea->saveImage(fileName, fileFormat); - } -} -//! [20] |