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50
51#include "mainwindow.h"
52#include "pieceslist.h"
53#include "puzzlewidget.h"
54
55#include <QtWidgets>
56#include <stdlib.h>
57
58MainWindow::MainWindow(QWidget *parent)
59 : QMainWindow(parent)
60{
61 setupMenus();
62 setupWidgets();
63
64 setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
65 setWindowTitle(tr("Puzzle"));
66}
67
68void MainWindow::openImage()
69{
70 const QString directory =
71 QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).value(0, QDir::homePath());
72 QFileDialog dialog(this, tr("Open Image"), directory);
73 dialog.setAcceptMode(QFileDialog::AcceptOpen);
74 dialog.setFileMode(QFileDialog::ExistingFile);
75 QStringList mimeTypeFilters;
76 for (const QByteArray &mimeTypeName : QImageReader::supportedMimeTypes())
77 mimeTypeFilters.append(mimeTypeName);
78 mimeTypeFilters.sort();
79 dialog.setMimeTypeFilters(mimeTypeFilters);
80 dialog.selectMimeTypeFilter("image/jpeg");
81 if (dialog.exec() == QDialog::Accepted)
82 loadImage(dialog.selectedFiles().constFirst());
83}
84
85void MainWindow::loadImage(const QString &fileName)
86{
87 QPixmap newImage;
88 if (!newImage.load(fileName)) {
89 QMessageBox::warning(this, tr("Open Image"),
90 tr("The image file could not be loaded."),
91 QMessageBox::Close);
92 return;
93 }
94 puzzleImage = newImage;
95 setupPuzzle();
96}
97
98void MainWindow::setCompleted()
99{
100 QMessageBox::information(this, tr("Puzzle Completed"),
101 tr("Congratulations! You have completed the puzzle!\n"
102 "Click OK to start again."),
103 QMessageBox::Ok);
104
105 setupPuzzle();
106}
107
108void MainWindow::setupPuzzle()
109{
110 int size = qMin(puzzleImage.width(), puzzleImage.height());
111 puzzleImage = puzzleImage.copy((puzzleImage.width() - size) / 2,
112 (puzzleImage.height() - size) / 2, size, size).scaled(puzzleWidget->width(),
113 puzzleWidget->height(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
114
115 piecesList->clear();
116
117 for (int y = 0; y < 5; ++y) {
118 for (int x = 0; x < 5; ++x) {
119 int pieceSize = puzzleWidget->pieceSize();
120 QPixmap pieceImage = puzzleImage.copy(x * pieceSize, y * pieceSize, pieceSize, pieceSize);
121 piecesList->addPiece(pieceImage, QPoint(x, y));
122 }
123 }
124
125 for (int i = 0; i < piecesList->count(); ++i) {
126 if (QRandomGenerator::global()->bounded(2) == 1) {
127 QListWidgetItem *item = piecesList->takeItem(i);
128 piecesList->insertItem(0, item);
129 }
130 }
131
132 puzzleWidget->clear();
133}
134
135void MainWindow::setupMenus()
136{
137 QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
138
139 QAction *openAction = fileMenu->addAction(tr("&Open..."), this, &MainWindow::openImage);
140 openAction->setShortcuts(QKeySequence::Open);
141
142 QAction *exitAction = fileMenu->addAction(tr("E&xit"), qApp, &QCoreApplication::quit);
143 exitAction->setShortcuts(QKeySequence::Quit);
144
145 QMenu *gameMenu = menuBar()->addMenu(tr("&Game"));
146
147 gameMenu->addAction(tr("&Restart"), this, &MainWindow::setupPuzzle);
148}
149
150void MainWindow::setupWidgets()
151{
152 QFrame *frame = new QFrame;
153 QHBoxLayout *frameLayout = new QHBoxLayout(frame);
154 puzzleWidget = new PuzzleWidget(400);
155
156 piecesList = new PiecesList(puzzleWidget->pieceSize(), this);
157
158
159 connect(puzzleWidget, &PuzzleWidget::puzzleCompleted,
160 this, &MainWindow::setCompleted, Qt::QueuedConnection);
161
162 frameLayout->addWidget(piecesList);
163 frameLayout->addWidget(puzzleWidget);
164 setCentralWidget(frame);
165}
166