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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <QtWidgets>
#include "MainWindow.h"
MainWindow::MainWindow() {
this->createActions();
this->createStatusBar();
this->createDockWindows();
this->setWindowTitle("MDB Viz");
this->readSettings();
this->setUnifiedTitleAndToolBarOnMac(true);
}
void MainWindow::openFile() {
QString fileName = QFileDialog::getOpenFileName(this);
if (!fileName.isEmpty()) {
this->loadFile(fileName);
}
}
void MainWindow::setupOpListWidget() {
fOpListWidget->clear();
QTreeWidgetItem* item = nullptr;
SkTDArray<QTreeWidgetItem*> parents;
for (int i = 0; i < fModel.numOps(); i++) {
item = new QTreeWidgetItem();
item->setText(0, QString::number(i));
item->setData(0, Qt::UserRole, i);
item->setText(1, fModel.getOpName(i));
if (fModel.isHierarchyPop(i)) {
parents.pop();
}
if (parents.isEmpty()) {
fOpListWidget->addTopLevelItem(item);
} else {
parents.top()->addChild(item);
}
if (fModel.isHierarchyPush(i)) {
*parents.push() = item;
}
}
fOpListWidget->setCurrentItem(item);
fOpListWidget->expandToDepth(100);
}
void MainWindow::presentCurrentRenderState() {
fImage = QImage((uchar*)fModel.getPixels(), fModel.width(), fModel.height(),
QImage::Format_RGBA8888);
fImageLabel->setPixmap(QPixmap::fromImage(fImage));
}
void MainWindow::loadFile(const QString &fileName) {
QFile file(fileName);
if (!file.open(QFile::ReadOnly | QFile::Text)) {
QMessageBox::warning(this, tr("MDB Viz"),
tr("Cannot read file %1:\n%2.")
.arg(QDir::toNativeSeparators(fileName), file.errorString()));
return;
}
QTextStream in(&file);
#ifndef QT_NO_CURSOR
QApplication::setOverrideCursor(Qt::WaitCursor);
#endif
std::string str = file.fileName().toLocal8Bit().constData();
Model::ErrorCode err = fModel.load(str.c_str());
if (Model::ErrorCode::kOK != err) {
this->statusBar()->showMessage(Model::ErrorString(err));
return;
}
this->setupOpListWidget();
this->presentCurrentRenderState();
#ifndef QT_NO_CURSOR
QApplication::restoreOverrideCursor();
#endif
}
void MainWindow::about() {
QMessageBox::about(this, "About MDB Viz", "Visualize MDB");
}
void MainWindow::createActions() {
// File menu
QMenu* fileMenu = this->menuBar()->addMenu(tr("&File"));
QToolBar* fileToolBar = this->addToolBar(tr("File"));
const QIcon openIcon = QIcon::fromTheme("document-open", QIcon(":/images/open.png"));
QAction* openAct = new QAction(openIcon, tr("&Open..."), this);
openAct->setShortcuts(QKeySequence::Open);
openAct->setStatusTip(tr("Open an existing file"));
connect(openAct, &QAction::triggered, this, &MainWindow::openFile);
fileMenu->addAction(openAct);
fileToolBar->addAction(openAct);
fileMenu->addSeparator();
const QIcon exitIcon = QIcon::fromTheme("application-exit");
QAction *exitAct = fileMenu->addAction(exitIcon, tr("E&xit"), this, &QWidget::close);
exitAct->setShortcuts(QKeySequence::Quit);
exitAct->setStatusTip(tr("Exit the application"));
// View menu
fViewMenu = this->menuBar()->addMenu(tr("&View"));
// Help menu
this->menuBar()->addSeparator();
QMenu* helpMenu = this->menuBar()->addMenu(tr("&Help"));
QAction *aboutAct = helpMenu->addAction(tr("&About"), this, &MainWindow::about);
aboutAct->setStatusTip(tr("Show the application's About box"));
}
void MainWindow::onCurrentItemChanged(QTreeWidgetItem* cur, QTreeWidgetItem* /* prev */) {
int currentRow = cur->data(0, Qt::UserRole).toInt();
fModel.setCurOp(currentRow);
this->presentCurrentRenderState();
}
void MainWindow::createStatusBar() {
this->statusBar()->showMessage(tr("Ready"));
}
void MainWindow::createDockWindows() {
// Op List Window
{
QDockWidget* opListDock = new QDockWidget("Ops", this);
opListDock->setAllowedAreas(Qt::LeftDockWidgetArea);
fOpListWidget = new QTreeWidget(opListDock);
QTreeWidgetItem* headerItem = new QTreeWidgetItem;
headerItem->setText(0, "Index");
headerItem->setText(1, "Op Name");
fOpListWidget->setHeaderItem(headerItem);
fOpListWidget->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
fOpListWidget->header()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
opListDock->setWidget(fOpListWidget);
this->addDockWidget(Qt::LeftDockWidgetArea, opListDock);
fViewMenu->addAction(opListDock->toggleViewAction());
connect(fOpListWidget, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),
this, SLOT(onCurrentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)));
}
// Main canvas Window
{
QDockWidget* mainCanvasDock = new QDockWidget("Main Canvas", this);
mainCanvasDock->setAllowedAreas(Qt::RightDockWidgetArea);
fImageLabel = new QLabel(mainCanvasDock);
fImage = QImage(1024, 1024, QImage::Format_RGBA8888);
fImage.fill(0);
fImageLabel->setPixmap(QPixmap::fromImage(fImage));
mainCanvasDock->setWidget(fImageLabel);
this->addDockWidget(Qt::RightDockWidgetArea, mainCanvasDock);
fViewMenu->addAction(mainCanvasDock->toggleViewAction());
}
}
void MainWindow::readSettings() {
QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName());
const QByteArray geometry = settings.value("geometry", QByteArray()).toByteArray();
if (geometry.isEmpty()) {
const QRect availableGeometry = QApplication::desktop()->availableGeometry(this);
resize(availableGeometry.width() / 3, availableGeometry.height() / 2);
move((availableGeometry.width() - width()) / 2,
(availableGeometry.height() - height()) / 2);
} else {
this->restoreGeometry(geometry);
}
}
void MainWindow::writeSettings() {
QSettings settings(QCoreApplication::organizationName(), QCoreApplication::applicationName());
settings.setValue("geometry", this->saveGeometry());
}
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