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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
#include <QtWidgets>
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#include <QObject>
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include "timer.h"
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/*
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General Qt implementation notes:
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* it seems like Qt doesn't offer a way to constrain the aspect ratio of a view by constraining
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the size of the window (i.e. you can use a custom layout to constrain a view, but that won't
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affect the window, so isn't useful for this project). Therefore the emulation window
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*/
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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createActions();
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// Set up the emulation timer. Bluffer's guide: the QTimer will post an
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// event to an event loop. QThread is a thread with an event loop.
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// My class, Timer, will be wired up to receive the QTimer's events.
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qTimer = std::make_unique<QTimer>(this);
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qTimer->setInterval(1);
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timerThread = std::make_unique<QThread>(this);
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timer = std::make_unique<Timer>();
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timer->moveToThread(timerThread.get());
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connect(qTimer.get(), SIGNAL(timeout()), timer.get(), SLOT(tick()));
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// Start the thread and timer.
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// TODO: not until there's actually something to display.
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timerThread->start();
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qTimer->start();
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}
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void MainWindow::createActions() {
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// Create a file menu.
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QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
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// QAction *newAct = new QAction(tr("&New"), this);
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// newAct->setShortcuts(QKeySequence::New);
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// newAct->setStatusTip(tr("Create a new file"));
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// connect(newAct, &QAction::triggered, this, &MainWindow::newFile);
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// fileMenu->addAction(newAct);
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// Add file option: 'Open..."
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QAction *openAct = new QAction(tr("&Open..."), this);
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openAct->setShortcuts(QKeySequence::Open);
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openAct->setStatusTip(tr("Open an existing file"));
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connect(openAct, &QAction::triggered, this, &MainWindow::open);
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fileMenu->addAction(openAct);
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}
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void MainWindow::open() {
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QString fileName = QFileDialog::getOpenFileName(this);
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if(!fileName.isEmpty()) {
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qDebug() << "Should open" << fileName;
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}
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}
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MainWindow::~MainWindow() {
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// Stop the timer by asking its QThread to exit and
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// waiting for it to do so.
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timerThread->exit();
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while(timerThread->isRunning());
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}
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