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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "mainwindow.h"
#include "editorwidget.h"
#include "previewwidget.h"
#include "../states/statecontroller.h"
#include <QCloseEvent>
#include <QFileSystemWatcher>
#include <QLayout>
#include <QMenuBar>
#include <QMessageBox>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, m_editorWidget{new EditorWidget}
, m_previewWidget{new PreviewWidget}
, m_fileWatcher{new QFileSystemWatcher}
{
setWindowIcon(QIcon(":/resources/logo.png"));
setWindowTitle(tr("QML Previewer"));
resize(1400, 800);
initUI();
initMenuBar();
setupConnections();
StateController::instance()->fileLoaded(":/resources/default.qml");
m_editorWidget->updateEditor();
}
MainWindow::~MainWindow() {}
void MainWindow::initUI()
{
QWidget *centralWidget = new QWidget;
setCentralWidget(centralWidget);
QHBoxLayout *horizontalLayout = new QHBoxLayout;
centralWidget->setLayout(horizontalLayout);
horizontalLayout->addWidget(m_editorWidget, 1);
horizontalLayout->addWidget(m_previewWidget, 1);
}
void MainWindow::initMenuBar()
{
QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
m_openAction = fileMenu->addAction(tr("&Open"));
m_saveAction = fileMenu->addAction(tr("&Save"));
m_saveAction->setEnabled(false);
m_closeAction = fileMenu->addAction(tr("&Close"));
m_closeAction->setEnabled(false);
m_reloadAction = fileMenu->addAction(tr("&Reload"));
m_reloadAction->setEnabled(false);
fileMenu->addSeparator();
m_quitAction = fileMenu->addAction(tr("&Quit"));
#if QT_CONFIG(shortcut)
m_openAction->setShortcut(QKeySequence::Open);
m_saveAction->setShortcut(QKeySequence::Save);
m_closeAction->setShortcut(QKeySequence::Close);
m_reloadAction->setShortcut(Qt::CTRL | Qt::Key_R);
m_quitAction->setShortcut(QKeySequence::Quit);
#endif
}
void MainWindow::setupConnections()
{
connect(StateController::instance(), &StateController::stateChanged, this,
&MainWindow::onAppStateChanged);
connect(m_fileWatcher, &QFileSystemWatcher::fileChanged, this, &MainWindow::onFileChanged);
connect(menuBar(), &QMenuBar::triggered, this, &MainWindow::onMenuBarTriggered);
connect(m_previewWidget, &PreviewWidget::errorPositionSelected, m_editorWidget,
&EditorWidget::moveCursorTo);
}
void MainWindow::closeEvent(QCloseEvent *event)
{
switch (StateController::instance()->currentState()) {
case StateController::NewState:
case StateController::DirtyState: {
const QMessageBox::StandardButton answer =
QMessageBox::question(this, tr("About to Close"),
tr("You have unsaved changes. "
"Are you sure you want to close without saving?"),
QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
if (answer == QMessageBox::Yes)
event->accept();
else
event->ignore();
} break;
default:
event->accept();
break;
}
}
void MainWindow::onAppStateChanged(int oldState, int newState)
{
switch (newState) {
case StateController::InitState:
if (!m_previewWidget->sourcePath().isEmpty()) {
if (const QStringList files = m_fileWatcher->files(); !files.isEmpty())
m_fileWatcher->removePaths(files);
m_previewWidget->setSourcePath(QString{});
}
m_saveAction->setEnabled(false);
m_closeAction->setEnabled(false);
m_reloadAction->setEnabled(false);
break;
case StateController::OpenState:
if (const QStringList files = m_fileWatcher->files(); !files.isEmpty())
m_fileWatcher->removePaths(files);
m_fileWatcher->addPath(StateController::instance()->filePath());
m_previewWidget->setSourcePath(StateController::instance()->filePath());
m_saveAction->setEnabled(false);
m_closeAction->setEnabled(true);
m_reloadAction->setEnabled(false);
break;
case StateController::NewState:
m_saveAction->setEnabled(true);
m_closeAction->setEnabled(false);
m_reloadAction->setEnabled(false);
break;
case StateController::DirtyState:
m_saveAction->setEnabled(true);
m_closeAction->setEnabled(false);
m_reloadAction->setEnabled(true);
break;
default:
Q_UNREACHABLE();
break;
}
}
void MainWindow::onFileChanged(const QString &path)
{
StateController* stateController = StateController::instance();
m_fileWatcher->addPath(path);
if (stateController->currentState() == StateController::DirtyState) {
const QMessageBox::StandardButton answer =
QMessageBox::question(this, tr("Reload File"),
tr("The file <i>%1</i> has been changed on disk. "
"Do you want to reload it?").arg(path),
QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
if (answer == QMessageBox::No)
return;
}
m_editorWidget->updateEditor();
m_previewWidget->setSourcePath(path);
stateController->setDirty(false);
}
void MainWindow::onMenuBarTriggered(QAction *action)
{
if (action == m_openAction)
m_editorWidget->openFile();
else if (action == m_saveAction)
m_editorWidget->saveFile();
else if (action == m_closeAction)
m_editorWidget->closeFile();
else if (action == m_reloadAction)
m_editorWidget->reloadFile();
else if (action == m_quitAction)
QCoreApplication::quit();
}
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