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