mirror of
https://github.com/crystalidea/qt6windows7.git
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101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
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// Copyright (C) 2019 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include "widget.h"
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#include "ui_widget.h"
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#include <QScrollBar>
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#include <QFile>
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#include <QDir>
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#include <QTemporaryFile>
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#ifndef QT_NO_DESKTOPSERVICES
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#include <QDesktopServices>
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#endif
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#ifndef QT_NO_PRINTER
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#include <QPrinter>
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#include <QPrintDialog>
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#include <QPrintPreviewDialog>
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#endif
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// This manual test allows checking the QTextTable border logic (QTBUG-36152)
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Widget::Widget(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::Widget)
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{
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ui->setupUi(this);
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resize(1400, 800);
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connect(ui->docComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &Widget::onDocumentSelected);
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connect(ui->printButton, &QPushButton::clicked, this, &Widget::onPrint);
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connect(ui->previewButton, &QPushButton::clicked, this, &Widget::onPreview);
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connect(ui->openBrowserButton, &QPushButton::clicked, this, &Widget::onOpenBrowser);
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connect(ui->sourceEdit, &QTextEdit::textChanged, this,
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[this]() {
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// make this a world class HTML IDE
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auto pos = ui->htmlEdit->verticalScrollBar()->value();
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ui->htmlEdit->setHtml(ui->sourceEdit->toPlainText());
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ui->htmlEdit->verticalScrollBar()->setValue(pos);
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});
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ui->docComboBox->addItem(tr("Table Border Test"), ":/table-border-test.html");
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ui->docComboBox->addItem(tr("Table Border Header Test"), ":/table-border-test-header.html");
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ui->docComboBox->setCurrentIndex(0);
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}
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Widget::~Widget()
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{
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delete ui;
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}
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void Widget::onDocumentSelected()
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{
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QString url = ui->docComboBox->itemData(ui->docComboBox->currentIndex()).toString();
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QFile f(url);
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if (f.open(QFile::ReadOnly)) {
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ui->sourceEdit->setPlainText(QString::fromUtf8(f.readAll()));
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// preview HTML is set via textChanged signal
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}
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}
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void Widget::onPrint()
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{
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#ifndef QT_NO_PRINTER
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QPrinter printer(QPrinter::HighResolution);
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QPrintDialog dlg(&printer, this);
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if (ui->htmlEdit->textCursor().hasSelection())
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dlg.setOption(QAbstractPrintDialog::PrintSelection, true);
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dlg.setWindowTitle(tr("Print Document"));
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if (dlg.exec() == QDialog::Accepted) {
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ui->htmlEdit->print(&printer);
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}
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#endif
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}
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void Widget::onPreview()
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{
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#ifndef QT_NO_PRINTER
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QPrinter printer(QPrinter::HighResolution);
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QPrintPreviewDialog preview(&printer, this);
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connect(&preview, &QPrintPreviewDialog::paintRequested, ui->htmlEdit, &QTextEdit::print);
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preview.exec();
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#endif
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}
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void Widget::onOpenBrowser()
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{
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// write the current html to a temp file and open the system browser
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#ifndef QT_NO_DESKTOPSERVICES
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auto tf = new QTemporaryFile(QDir::tempPath() + "/XXXXXX.html", this);
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if (tf->open()) {
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tf->write(ui->sourceEdit->toPlainText().toUtf8());
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tf->close();
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QDesktopServices::openUrl(QUrl::fromLocalFile(tf->fileName()));
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}
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#endif
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}
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