Viadeo Twitter Google Bookmarks ! Facebook Digg del.icio.us MySpace Yahoo MyWeb Blinklist Netvouz Reddit Simpy StumbleUpon Bookmarks Windows Live Favorites 
Logo Documentation Qt ·  Page d'accueil  ·  Toutes les classes  ·  Toutes les fonctions  ·  Vues d'ensemble  · 

mainwindow.cpp Example File

draganddrop/puzzle/mainwindow.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2011 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 <stdlib.h>

 #include "mainwindow.h"
 #include "pieceslist.h"
 #include "puzzlewidget.h"

 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
 {
     setupMenus();
     setupWidgets();

     setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
     setWindowTitle(tr("Puzzle"));
 }

 void MainWindow::openImage(const QString &path)
 {
     QString fileName = path;

     if (fileName.isNull())
         fileName = QFileDialog::getOpenFileName(this,
             tr("Open Image"), "", "Image Files (*.png *.jpg *.bmp)");

     if (!fileName.isEmpty()) {
         QPixmap newImage;
         if (!newImage.load(fileName)) {
             QMessageBox::warning(this, tr("Open Image"),
                                   tr("The image file could not be loaded."),
                                   QMessageBox::Cancel);
             return;
         }
         puzzleImage = newImage;
         setupPuzzle();
     }
 }

 void MainWindow::setCompleted()
 {
     QMessageBox::information(this, tr("Puzzle Completed"),
         tr("Congratulations! You have completed the puzzle!\n"
            "Click OK to start again."),
         QMessageBox::Ok);

     setupPuzzle();
 }

 void MainWindow::setupPuzzle()
 {
     int size = qMin(puzzleImage.width(), puzzleImage.height());
     puzzleImage = puzzleImage.copy((puzzleImage.width() - size)/2,
         (puzzleImage.height() - size)/2, size, size).scaled(puzzleWidget->width(),
             puzzleWidget->height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);

     piecesList->clear();

     for (int y = 0; y < 5; ++y) {
         for (int x = 0; x < 5; ++x) {
             int pieceSize = puzzleWidget->pieceSize();
             QPixmap pieceImage = puzzleImage.copy(x * pieceSize, y * pieceSize, pieceSize, pieceSize);
             piecesList->addPiece(pieceImage, QPoint(x, y));
         }
     }

     qsrand(QCursor::pos().x() ^ QCursor::pos().y());

     for (int i = 0; i < piecesList->count(); ++i) {
         if (int(2.0*qrand()/(RAND_MAX+1.0)) == 1) {
             QListWidgetItem *item = piecesList->takeItem(i);
             piecesList->insertItem(0, item);
         }
     }

     puzzleWidget->clear();
 }

 void MainWindow::setupMenus()
 {
     QMenu *fileMenu = menuBar()->addMenu(tr("&File"));

     QAction *openAction = fileMenu->addAction(tr("&Open..."));
     openAction->setShortcuts(QKeySequence::Open);

     QAction *exitAction = fileMenu->addAction(tr("E&xit"));
     exitAction->setShortcuts(QKeySequence::Quit);

     QMenu *gameMenu = menuBar()->addMenu(tr("&Game"));

     QAction *restartAction = gameMenu->addAction(tr("&Restart"));

     connect(openAction, SIGNAL(triggered()), this, SLOT(openImage()));
     connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
     connect(restartAction, SIGNAL(triggered()), this, SLOT(setupPuzzle()));
 }

 void MainWindow::setupWidgets()
 {
     QFrame *frame = new QFrame;
     QHBoxLayout *frameLayout = new QHBoxLayout(frame);
 #if defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
     puzzleWidget = new PuzzleWidget(260);
 #else
     puzzleWidget = new PuzzleWidget(400);
 #endif

     piecesList = new PiecesList(puzzleWidget->pieceSize(), this);

     connect(puzzleWidget, SIGNAL(puzzleCompleted()),
             this, SLOT(setCompleted()), Qt::QueuedConnection);

     frameLayout->addWidget(piecesList);
     frameLayout->addWidget(puzzleWidget);
     setCentralWidget(frame);
 }
Cette page est une traduction d'une page de la documentation de Qt, écrite par Nokia Corporation and/or its subsidiary(-ies). Les éventuels problèmes résultant d'une mauvaise traduction ne sont pas imputables à Nokia. Qt 4.8
Copyright © 2012 Developpez LLC. Tous droits réservés Developpez LLC. Aucune reproduction, même partielle, ne peut être faite de ce site et de l'ensemble de son contenu : textes, documents et images sans l'autorisation expresse de Developpez LLC. Sinon, vous encourez selon la loi jusqu'à 3 ans de prison et jusqu'à 300 000 E de dommages et intérêts. Cette page est déposée à la SACD.
Vous avez déniché une erreur ? Un bug ? Une redirection cassée ? Ou tout autre problème, quel qu'il soit ? Ou bien vous désirez participer à ce projet de traduction ? N'hésitez pas à nous contacter ou par MP !
 
 
 
 
Partenaires

Hébergement Web