mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-30 07:46:51 +08:00
112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#include "mainwindow.h"
|
|
#include "xbeltree.h"
|
|
|
|
#include <QApplication>
|
|
#include <QFileDialog>
|
|
#include <QMenuBar>
|
|
#include <QMessageBox>
|
|
#include <QStatusBar>
|
|
|
|
#include <QAction>
|
|
#include <QScreen>
|
|
|
|
using namespace Qt::StringLiterals;
|
|
|
|
//! [0]
|
|
MainWindow::MainWindow()
|
|
{
|
|
xbelTree = new XbelTree;
|
|
setCentralWidget(xbelTree);
|
|
|
|
createMenus();
|
|
|
|
statusBar()->showMessage(tr("Ready"));
|
|
|
|
setWindowTitle(tr("DOM Bookmarks"));
|
|
const QSize availableSize = screen()->availableGeometry().size();
|
|
resize(availableSize.width() / 2, availableSize.height() / 3);
|
|
}
|
|
//! [0]
|
|
|
|
//! [1]
|
|
void MainWindow::open()
|
|
{
|
|
QFileDialog fileDialog(this, tr("Open Bookmark File"), QDir::currentPath());
|
|
fileDialog.setMimeTypeFilters({"application/x-xbel"_L1});
|
|
if (fileDialog.exec() != QDialog::Accepted)
|
|
return;
|
|
|
|
const QString fileName = fileDialog.selectedFiles().constFirst();
|
|
QFile file(fileName);
|
|
if (!file.open(QFile::ReadOnly | QFile::Text)) {
|
|
QMessageBox::warning(this, tr("DOM Bookmarks"),
|
|
tr("Cannot read file %1:\n%2.")
|
|
.arg(QDir::toNativeSeparators(fileName),
|
|
file.errorString()));
|
|
return;
|
|
}
|
|
|
|
if (xbelTree->read(&file))
|
|
statusBar()->showMessage(tr("File loaded"), 2000);
|
|
}
|
|
//! [1]
|
|
|
|
//! [2]
|
|
void MainWindow::saveAs()
|
|
{
|
|
QFileDialog fileDialog(this, tr("Save Bookmark File"), QDir::currentPath());
|
|
fileDialog.setAcceptMode(QFileDialog::AcceptSave);
|
|
fileDialog.setDefaultSuffix("xbel"_L1);
|
|
fileDialog.setMimeTypeFilters({"application/x-xbel"_L1});
|
|
if (fileDialog.exec() != QDialog::Accepted)
|
|
return;
|
|
|
|
const QString fileName = fileDialog.selectedFiles().constFirst();
|
|
QFile file(fileName);
|
|
if (!file.open(QFile::WriteOnly | QFile::Text)) {
|
|
QMessageBox::warning(this, tr("DOM Bookmarks"),
|
|
tr("Cannot write file %1:\n%2.")
|
|
.arg(QDir::toNativeSeparators(fileName),
|
|
file.errorString()));
|
|
return;
|
|
}
|
|
|
|
if (xbelTree->write(&file))
|
|
statusBar()->showMessage(tr("File saved"), 2000);
|
|
}
|
|
//! [2]
|
|
|
|
//! [3]
|
|
void MainWindow::about()
|
|
{
|
|
QMessageBox::about(this, tr("About DOM Bookmarks"),
|
|
tr("The <b>DOM Bookmarks</b> example demonstrates how to "
|
|
"use Qt's DOM classes to read and write XML "
|
|
"documents."));
|
|
}
|
|
//! [3]
|
|
|
|
//! [4]
|
|
void MainWindow::createMenus()
|
|
{
|
|
QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
|
|
QAction *openAct = fileMenu->addAction(tr("&Open..."), this, &MainWindow::open);
|
|
openAct->setShortcuts(QKeySequence::Open);
|
|
|
|
QAction *saveAsAct = fileMenu->addAction(tr("&Save As..."), this, &MainWindow::saveAs);
|
|
saveAsAct->setShortcuts(QKeySequence::SaveAs);
|
|
|
|
QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &QWidget::close);
|
|
exitAct->setShortcuts(QKeySequence::Quit);
|
|
|
|
menuBar()->addSeparator();
|
|
|
|
QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
|
|
helpMenu->addAction(tr("&About"), this, &MainWindow::about);
|
|
helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
|
|
}
|
|
//! [4]
|