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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #include "mainwindow.h" |
| #include "piecesmodel.h" |
| #include "puzzlewidget.h" |
| |
| #include <QtWidgets> |
| #include <stdlib.h> |
| |
| MainWindow::MainWindow(QWidget *parent) |
| : QMainWindow(parent) |
| { |
| setupMenus(); |
| setupWidgets(); |
| model = new PiecesModel(puzzleWidget->pieceSize(), this); |
| piecesList->setModel(model); |
| |
| setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed)); |
| setWindowTitle(tr("Puzzle")); |
| } |
| |
| void MainWindow::openImage() |
| { |
| const QString directory = |
| QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).value(0, QDir::homePath()); |
| QFileDialog dialog(this, tr("Open Image"), directory); |
| dialog.setAcceptMode(QFileDialog::AcceptOpen); |
| dialog.setFileMode(QFileDialog::ExistingFile); |
| QStringList mimeTypeFilters; |
| for (const QByteArray &mimeTypeName : QImageReader::supportedMimeTypes()) |
| mimeTypeFilters.append(mimeTypeName); |
| mimeTypeFilters.sort(); |
| dialog.setMimeTypeFilters(mimeTypeFilters); |
| dialog.selectMimeTypeFilter("image/jpeg"); |
| if (dialog.exec() == QDialog::Accepted) |
| loadImage(dialog.selectedFiles().constFirst()); |
| } |
| |
| void MainWindow::loadImage(const QString &fileName) |
| { |
| QPixmap newImage; |
| if (!newImage.load(fileName)) { |
| QMessageBox::warning(this, tr("Open Image"), |
| tr("The image file could not be loaded."), |
| QMessageBox::Close); |
| 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->imageSize(), |
| puzzleWidget->imageSize(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
| |
| model->addPieces(puzzleImage); |
| puzzleWidget->clear(); |
| } |
| |
| void MainWindow::setupMenus() |
| { |
| QMenu *fileMenu = menuBar()->addMenu(tr("&File")); |
| |
| QAction *openAction = fileMenu->addAction(tr("&Open..."), this, &MainWindow::openImage); |
| openAction->setShortcuts(QKeySequence::Open); |
| |
| QAction *exitAction = fileMenu->addAction(tr("E&xit"), qApp, &QCoreApplication::quit); |
| exitAction->setShortcuts(QKeySequence::Quit); |
| |
| QMenu *gameMenu = menuBar()->addMenu(tr("&Game")); |
| |
| gameMenu->addAction(tr("&Restart"), this, &MainWindow::setupPuzzle); |
| } |
| |
| void MainWindow::setupWidgets() |
| { |
| QFrame *frame = new QFrame; |
| QHBoxLayout *frameLayout = new QHBoxLayout(frame); |
| |
| puzzleWidget = new PuzzleWidget(400); |
| |
| piecesList = new QListView; |
| piecesList->setDragEnabled(true); |
| piecesList->setViewMode(QListView::IconMode); |
| piecesList->setIconSize(QSize(puzzleWidget->pieceSize() - 20, puzzleWidget->pieceSize() - 20)); |
| piecesList->setGridSize(QSize(puzzleWidget->pieceSize(), puzzleWidget->pieceSize())); |
| piecesList->setSpacing(10); |
| piecesList->setMovement(QListView::Snap); |
| piecesList->setAcceptDrops(true); |
| piecesList->setDropIndicatorShown(true); |
| |
| PiecesModel *model = new PiecesModel(puzzleWidget->pieceSize(), this); |
| piecesList->setModel(model); |
| |
| connect(puzzleWidget, &PuzzleWidget::puzzleCompleted, |
| this, &MainWindow::setCompleted, Qt::QueuedConnection); |
| |
| frameLayout->addWidget(piecesList); |
| frameLayout->addWidget(puzzleWidget); |
| setCentralWidget(frame); |
| } |