--- a/examples/multitouch/fingerpaint/mainwindow.cpp Fri Sep 17 08:34:18 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -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]