Move textedit example to manual test

Pick-to: 6.5 6.6
Change-Id: Ic3189044598be8e121c1f065e68e04a3547a87d0
Reviewed-by: Volker Hilsheimer <[email protected]>

1 files changed, 0 insertions, 904 deletions

diff --git a/examples/widgets/richtext/textedit/textedit.cpp b/examples/widgets/richtext/textedit/textedit.cpp
deleted file mode 100644
index 5f9e8d87b75..00000000000
--- a/examples/widgets/richtext/textedit/textedit.cpp
+++ /dev/null
@@ -1,904 +0,0 @@
-// Copyright (C) 2021 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "textedit.h"
-
-#include <QActionGroup>
-#include <QApplication>
-#include <QClipboard>
-#include <QColorDialog>
-#include <QComboBox>
-#include <QFontComboBox>
-#include <QFile>
-#include <QFileDialog>
-#include <QFileInfo>
-#include <QFontDatabase>
-#include <QMenu>
-#include <QMenuBar>
-#include <QTextEdit>
-#include <QStatusBar>
-#include <QToolBar>
-#include <QTextCursor>
-#include <QTextDocumentWriter>
-#include <QTextList>
-#include <QTimer>
-#include <QtDebug>
-#include <QCloseEvent>
-#include <QMessageBox>
-#include <QMimeData>
-#include <QMimeDatabase>
-#include <QStringDecoder>
-#if defined(QT_PRINTSUPPORT_LIB)
-#include <QtPrintSupport/qtprintsupportglobal.h>
-#if QT_CONFIG(printer)
-#if QT_CONFIG(printdialog)
-#include <QPrintDialog>
-#endif
-#include <QPrinter>
-#if QT_CONFIG(printpreviewdialog)
-#include <QPrintPreviewDialog>
-#endif
-#endif
-#endif
-
-#ifdef Q_OS_MAC
-const QString rsrcPath = ":/images/mac";
-#else
-const QString rsrcPath = ":/images/win";
-#endif
-
-TextEdit::TextEdit(QWidget *parent)
-    : QMainWindow(parent)
-{
-#ifdef Q_OS_MACOS
-    setUnifiedTitleAndToolBarOnMac(true);
-#endif
-    setWindowTitle(QCoreApplication::applicationName());
-
-    textEdit = new QTextEdit(this);
-    connect(textEdit, &QTextEdit::currentCharFormatChanged,
-            this, &TextEdit::currentCharFormatChanged);
-    connect(textEdit, &QTextEdit::cursorPositionChanged,
-            this, &TextEdit::cursorPositionChanged);
-    setCentralWidget(textEdit);
-
-    setToolButtonStyle(Qt::ToolButtonFollowStyle);
-    setupFileActions();
-    setupEditActions();
-    setupTextActions();
-
-    {
-        QMenu *helpMenu = menuBar()->addMenu(tr("Help"));
-        helpMenu->addAction(tr("About"), this, &TextEdit::about);
-        helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
-    }
-
-    QFont textFont("Helvetica");
-    textFont.setStyleHint(QFont::SansSerif);
-    textEdit->setFont(textFont);
-    fontChanged(textEdit->font());
-    colorChanged(textEdit->textColor());
-    alignmentChanged(textEdit->alignment());
-
-    auto *document = textEdit->document();
-    connect(document, &QTextDocument::modificationChanged,
-            actionSave, &QAction::setEnabled);
-    connect(document, &QTextDocument::modificationChanged,
-            this, &QWidget::setWindowModified);
-    connect(document, &QTextDocument::undoAvailable,
-            actionUndo, &QAction::setEnabled);
-    connect(document, &QTextDocument::redoAvailable,
-            actionRedo, &QAction::setEnabled);
-
-    setWindowModified(document->isModified());
-    actionSave->setEnabled(document->isModified());
-    actionUndo->setEnabled(document->isUndoAvailable());
-    actionRedo->setEnabled(document->isRedoAvailable());
-
-#ifndef QT_NO_CLIPBOARD
-    actionCut->setEnabled(false);
-    connect(textEdit, &QTextEdit::copyAvailable, actionCut, &QAction::setEnabled);
-    actionCopy->setEnabled(false);
-    connect(textEdit, &QTextEdit::copyAvailable, actionCopy, &QAction::setEnabled);
-
-    connect(QGuiApplication::clipboard(), &QClipboard::dataChanged,
-            this, &TextEdit::clipboardDataChanged);
-#endif
-
-    textEdit->setFocus();
-    setCurrentFileName(QString());
-
-#ifdef Q_OS_MACOS
-    // Use dark text on light background on macOS, also in dark mode.
-    QPalette pal = textEdit->palette();
-    pal.setColor(QPalette::Base, QColor(Qt::white));
-    pal.setColor(QPalette::Text, QColor(Qt::black));
-    textEdit->setPalette(pal);
-#endif
-}
-
-//! [closeevent]
-void TextEdit::closeEvent(QCloseEvent *e)
-{
-    if (closeAccepted) {
-        e->accept();
-        return;
-    }
-
-    e->ignore();
-    maybeSave(SaveContinuation::Close);
-}
-//! [closeevent]
-
-void TextEdit::setupFileActions()
-{
-    QToolBar *tb = addToolBar(tr("File Actions"));
-    QMenu *menu = menuBar()->addMenu(tr("&File"));
-
-    const QIcon newIcon = QIcon::fromTheme("document-new", QIcon(rsrcPath + "/filenew.png"));
-    QAction *a = menu->addAction(newIcon,  tr("&New"), this, &TextEdit::fileNew);
-    tb->addAction(a);
-    a->setPriority(QAction::LowPriority);
-    a->setShortcut(QKeySequence::New);
-
-    const QIcon openIcon = QIcon::fromTheme("document-open", QIcon(rsrcPath + "/fileopen.png"));
-    a = menu->addAction(openIcon, tr("&Open..."), this, &TextEdit::fileOpen);
-    a->setShortcut(QKeySequence::Open);
-    tb->addAction(a);
-
-    menu->addSeparator();
-
-    const QIcon saveIcon = QIcon::fromTheme("document-save", QIcon(rsrcPath + "/filesave.png"));
-    actionSave = menu->addAction(saveIcon, tr("&Save"), this,
-                                 [this]() { fileSave(SaveContinuation::None); });
-    actionSave->setShortcut(QKeySequence::Save);
-    actionSave->setEnabled(false);
-    tb->addAction(actionSave);
-
-    a = menu->addAction(tr("Save &As..."), this, [this]() { fileSaveAs(SaveContinuation::None); });
-    a->setPriority(QAction::LowPriority);
-    menu->addSeparator();
-
-#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
-    const QIcon printIcon = QIcon::fromTheme("document-print", QIcon(rsrcPath + "/fileprint.png"));
-    a = menu->addAction(printIcon, tr("&Print..."), this, &TextEdit::filePrint);
-    a->setPriority(QAction::LowPriority);
-    a->setShortcut(QKeySequence::Print);
-    tb->addAction(a);
-
-    const QIcon filePrintIcon = QIcon::fromTheme("fileprint", QIcon(rsrcPath + "/fileprint.png"));
-    menu->addAction(filePrintIcon, tr("Print Preview..."), this, &TextEdit::filePrintPreview);
-
-    const QIcon exportPdfIcon = QIcon::fromTheme("exportpdf", QIcon(rsrcPath + "/exportpdf.png"));
-    a = menu->addAction(exportPdfIcon, tr("&Export PDF..."), this, &TextEdit::filePrintPdf);
-    a->setPriority(QAction::LowPriority);
-    a->setShortcut(Qt::CTRL | Qt::Key_D);
-    tb->addAction(a);
-
-    menu->addSeparator();
-#endif
-
-    a = menu->addAction(tr("&Quit"), qApp, &QCoreApplication::quit);
-    a->setShortcut(Qt::CTRL | Qt::Key_Q);
-}
-
-void TextEdit::setupEditActions()
-{
-    QToolBar *tb = addToolBar(tr("Edit Actions"));
-    QMenu *menu = menuBar()->addMenu(tr("&Edit"));
-
-    const QIcon undoIcon = QIcon::fromTheme("edit-undo", QIcon(rsrcPath + "/editundo.png"));
-    actionUndo = menu->addAction(undoIcon, tr("&Undo"), textEdit, &QTextEdit::undo);
-    actionUndo->setShortcut(QKeySequence::Undo);
-    tb->addAction(actionUndo);
-
-    const QIcon redoIcon = QIcon::fromTheme("edit-redo", QIcon(rsrcPath + "/editredo.png"));
-    actionRedo = menu->addAction(redoIcon, tr("&Redo"), textEdit, &QTextEdit::redo);
-    actionRedo->setPriority(QAction::LowPriority);
-    actionRedo->setShortcut(QKeySequence::Redo);
-    tb->addAction(actionRedo);
-    menu->addSeparator();
-
-#ifndef QT_NO_CLIPBOARD
-    const QIcon cutIcon = QIcon::fromTheme("edit-cut", QIcon(rsrcPath + "/editcut.png"));
-    actionCut = menu->addAction(cutIcon, tr("Cu&t"), textEdit, &QTextEdit::cut);
-    actionCut->setPriority(QAction::LowPriority);
-    actionCut->setShortcut(QKeySequence::Cut);
-    tb->addAction(actionCut);
-
-    const QIcon copyIcon = QIcon::fromTheme("edit-copy", QIcon(rsrcPath + "/editcopy.png"));
-    actionCopy = menu->addAction(copyIcon, tr("&Copy"), textEdit, &QTextEdit::copy);
-    actionCopy->setPriority(QAction::LowPriority);
-    actionCopy->setShortcut(QKeySequence::Copy);
-    tb->addAction(actionCopy);
-
-    const QIcon pasteIcon = QIcon::fromTheme("edit-paste", QIcon(rsrcPath + "/editpaste.png"));
-    actionPaste = menu->addAction(pasteIcon, tr("&Paste"), textEdit, &QTextEdit::paste);
-    actionPaste->setPriority(QAction::LowPriority);
-    actionPaste->setShortcut(QKeySequence::Paste);
-    tb->addAction(actionPaste);
-    if (const QMimeData *md = QGuiApplication::clipboard()->mimeData())
-        actionPaste->setEnabled(md->hasText());
-#endif
-}
-
-void TextEdit::setupTextActions()
-{
-    QToolBar *tb = addToolBar(tr("Format Actions"));
-    QMenu *menu = menuBar()->addMenu(tr("F&ormat"));
-
-    const QIcon boldIcon = QIcon::fromTheme("format-text-bold", QIcon(rsrcPath + "/textbold.png"));
-    actionTextBold = menu->addAction(boldIcon, tr("&Bold"), this, &TextEdit::textBold);
-    actionTextBold->setShortcut(Qt::CTRL | Qt::Key_B);
-    actionTextBold->setPriority(QAction::LowPriority);
-    QFont bold;
-    bold.setBold(true);
-    actionTextBold->setFont(bold);
-    tb->addAction(actionTextBold);
-    actionTextBold->setCheckable(true);
-
-    const QIcon italicIcon = QIcon::fromTheme("format-text-italic", QIcon(rsrcPath + "/textitalic.png"));
-    actionTextItalic = menu->addAction(italicIcon, tr("&Italic"), this, &TextEdit::textItalic);
-    actionTextItalic->setPriority(QAction::LowPriority);
-    actionTextItalic->setShortcut(Qt::CTRL | Qt::Key_I);
-    QFont italic;
-    italic.setItalic(true);
-    actionTextItalic->setFont(italic);
-    tb->addAction(actionTextItalic);
-    actionTextItalic->setCheckable(true);
-
-    const QIcon underlineIcon = QIcon::fromTheme("format-text-underline", QIcon(rsrcPath + "/textunder.png"));
-    actionTextUnderline = menu->addAction(underlineIcon, tr("&Underline"), this, &TextEdit::textUnderline);
-    actionTextUnderline->setShortcut(Qt::CTRL | Qt::Key_U);
-    actionTextUnderline->setPriority(QAction::LowPriority);
-    QFont underline;
-    underline.setUnderline(true);
-    actionTextUnderline->setFont(underline);
-    tb->addAction(actionTextUnderline);
-    actionTextUnderline->setCheckable(true);
-
-    menu->addSeparator();
-
-    const QIcon leftIcon = QIcon::fromTheme("format-justify-left", QIcon(rsrcPath + "/textleft.png"));
-    actionAlignLeft = new QAction(leftIcon, tr("&Left"), this);
-    actionAlignLeft->setShortcut(Qt::CTRL | Qt::Key_L);
-    actionAlignLeft->setCheckable(true);
-    actionAlignLeft->setPriority(QAction::LowPriority);
-    const QIcon centerIcon = QIcon::fromTheme("format-justify-center", QIcon(rsrcPath + "/textcenter.png"));
-    actionAlignCenter = new QAction(centerIcon, tr("C&enter"), this);
-    actionAlignCenter->setShortcut(Qt::CTRL | Qt::Key_E);
-    actionAlignCenter->setCheckable(true);
-    actionAlignCenter->setPriority(QAction::LowPriority);
-    const QIcon rightIcon = QIcon::fromTheme("format-justify-right", QIcon(rsrcPath + "/textright.png"));
-    actionAlignRight = new QAction(rightIcon, tr("&Right"), this);
-    actionAlignRight->setShortcut(Qt::CTRL | Qt::Key_R);
-    actionAlignRight->setCheckable(true);
-    actionAlignRight->setPriority(QAction::LowPriority);
-    const QIcon fillIcon = QIcon::fromTheme("format-justify-fill", QIcon(rsrcPath + "/textjustify.png"));
-    actionAlignJustify = new QAction(fillIcon, tr("&Justify"), this);
-    actionAlignJustify->setShortcut(Qt::CTRL | Qt::Key_J);
-    actionAlignJustify->setCheckable(true);
-    actionAlignJustify->setPriority(QAction::LowPriority);
-    const QIcon indentMoreIcon = QIcon::fromTheme("format-indent-more", QIcon(rsrcPath + "/format-indent-more.png"));
-    actionIndentMore = menu->addAction(indentMoreIcon, tr("&Indent"), this, &TextEdit::indent);
-    actionIndentMore->setShortcut(Qt::CTRL | Qt::Key_BracketRight);
-    actionIndentMore->setPriority(QAction::LowPriority);
-    const QIcon indentLessIcon = QIcon::fromTheme("format-indent-less", QIcon(rsrcPath + "/format-indent-less.png"));
-    actionIndentLess = menu->addAction(indentLessIcon, tr("&Unindent"), this, &TextEdit::unindent);
-    actionIndentLess->setShortcut(Qt::CTRL | Qt::Key_BracketLeft);
-    actionIndentLess->setPriority(QAction::LowPriority);
-
-    // Make sure the alignLeft is always left of the alignRight
-    QActionGroup *alignGroup = new QActionGroup(this);
-    connect(alignGroup, &QActionGroup::triggered, this, &TextEdit::textAlign);
-
-    if (QGuiApplication::isLeftToRight()) {
-        alignGroup->addAction(actionAlignLeft);
-        alignGroup->addAction(actionAlignCenter);
-        alignGroup->addAction(actionAlignRight);
-    } else {
-        alignGroup->addAction(actionAlignRight);
-        alignGroup->addAction(actionAlignCenter);
-        alignGroup->addAction(actionAlignLeft);
-    }
-    alignGroup->addAction(actionAlignJustify);
-
-    tb->addActions(alignGroup->actions());
-    menu->addActions(alignGroup->actions());
-    tb->addAction(actionIndentMore);
-    tb->addAction(actionIndentLess);
-    menu->addAction(actionIndentMore);
-    menu->addAction(actionIndentLess);
-
-    menu->addSeparator();
-
-    QPixmap pix(16, 16);
-    pix.fill(Qt::black);
-    actionTextColor = menu->addAction(pix, tr("&Color..."), this, &TextEdit::textColor);
-    tb->addAction(actionTextColor);
-
-    const QIcon underlineColorIcon(rsrcPath + "/textundercolor.png");
-    actionUnderlineColor = menu->addAction(underlineColorIcon, tr("Underline color..."), this, &TextEdit::underlineColor);
-    tb->addAction(actionUnderlineColor);
-
-    menu->addSeparator();
-
-    const QIcon checkboxIcon = QIcon::fromTheme("status-checkbox-checked", QIcon(rsrcPath + "/checkbox-checked.png"));
-    actionToggleCheckState = menu->addAction(checkboxIcon, tr("Chec&ked"), this, &TextEdit::setChecked);
-    actionToggleCheckState->setShortcut(Qt::CTRL | Qt::Key_K);
-    actionToggleCheckState->setCheckable(true);
-    actionToggleCheckState->setPriority(QAction::LowPriority);
-    tb->addAction(actionToggleCheckState);
-
-    tb = addToolBar(tr("Format Actions"));
-    tb->setAllowedAreas(Qt::TopToolBarArea | Qt::BottomToolBarArea);
-    addToolBarBreak(Qt::TopToolBarArea);
-    addToolBar(tb);
-
-    comboStyle = new QComboBox(tb);
-    tb->addWidget(comboStyle);
-    comboStyle->addItems({"Standard",
-                          "Bullet List (Disc)",
-                          "Bullet List (Circle)",
-                          "Bullet List (Square)",
-                          "Task List (Unchecked)",
-                          "Task List (Checked)",
-                          "Ordered List (Decimal)",
-                          "Ordered List (Alpha lower)",
-                          "Ordered List (Alpha upper)",
-                          "Ordered List (Roman lower)",
-                          "Ordered List (Roman upper)",
-                          "Heading 1",
-                          "Heading 2",
-                          "Heading 3",
-                          "Heading 4",
-                          "Heading 5",
-                          "Heading 6"}),
-
-    connect(comboStyle, &QComboBox::activated, this, &TextEdit::textStyle);
-
-    comboFont = new QFontComboBox(tb);
-    tb->addWidget(comboFont);
-    connect(comboFont, &QComboBox::textActivated, this, &TextEdit::textFamily);
-
-    comboSize = new QComboBox(tb);
-    comboSize->setObjectName("comboSize");
-    tb->addWidget(comboSize);
-    comboSize->setEditable(true);
-
-    const QList<int> standardSizes = QFontDatabase::standardSizes();
-    for (int size : standardSizes)
-        comboSize->addItem(QString::number(size));
-    comboSize->setCurrentIndex(standardSizes.indexOf(QApplication::font().pointSize()));
-
-    connect(comboSize, &QComboBox::textActivated, this, &TextEdit::textSize);
-}
-
-bool TextEdit::load(const QString &f)
-{
-    if (!QFile::exists(f))
-        return false;
-    QFile file(f);
-    if (!file.open(QFile::ReadOnly))
-        return false;
-
-    QByteArray data = file.readAll();
-    QMimeDatabase db;
-    const QString &mimeTypeName = db.mimeTypeForFileNameAndData(f, data).name();
-    if (mimeTypeName == u"text/html") {
-        auto encoding = QStringDecoder::encodingForHtml(data);
-        QString str = QStringDecoder(encoding ? *encoding : QStringDecoder::Utf8)(data);
-        QUrl fileUrl = f.startsWith(u':') ? QUrl(f) : QUrl::fromLocalFile(f);
-        textEdit->document()->setBaseUrl(fileUrl.adjusted(QUrl::RemoveFilename));
-        textEdit->setHtml(str);
-#if QT_CONFIG(textmarkdownreader)
-    } else if (mimeTypeName == u"text/markdown") {
-        textEdit->setMarkdown(QString::fromUtf8(data));
-#endif
-    } else {
-        textEdit->setPlainText(QString::fromUtf8(data));
-    }
-
-    setCurrentFileName(f);
-    return true;
-}
-
-void TextEdit::maybeSave(SaveContinuation continuation)
-{
-    if (!textEdit->document()->isModified()) {
-        // Execute continuation as soon as control has returned to the event loop so  that existing
-        // dialogs do not get in the way of closing the window.
-        QTimer::singleShot(0, [this, continuation]() { fileSaveComplete(continuation); });
-        return;
-    }
-
-    QMessageBox *msgBox =
-            new QMessageBox(QMessageBox::Icon::Warning, QCoreApplication::applicationName(),
-                            tr("The document has been modified.\n"
-                               "Do you want to save your changes?"),
-                            QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, this);
-
-    connect(msgBox, &QMessageBox::finished, [=](int result) {
-        if (result == QMessageBox::Save) {
-            fileSave(continuation);
-            return;
-        }
-        fileSaveComplete(result == QMessageBox::Discard ? continuation : SaveContinuation::None);
-    });
-
-    msgBox->setAttribute(Qt::WA_DeleteOnClose);
-    msgBox->open();
-}
-
-void TextEdit::setCurrentFileName(const QString &fileName)
-{
-    this->fileName = fileName;
-    textEdit->document()->setModified(false);
-
-    QString shownName;
-    if (fileName.isEmpty())
-        shownName = "untitled.txt";
-    else
-        shownName = QFileInfo(fileName).fileName();
-
-    setWindowTitle(tr("%1[*] - %2").arg(shownName, QCoreApplication::applicationName()));
-    setWindowModified(false);
-}
-
-void TextEdit::fileNew()
-{
-    maybeSave(SaveContinuation::Clear);
-}
-
-void TextEdit::fileOpen()
-{
-    QFileDialog *fileDialog = new QFileDialog(this, tr("Open File..."));
-    fileDialog->setAcceptMode(QFileDialog::AcceptOpen);
-    fileDialog->setFileMode(QFileDialog::ExistingFile);
-    fileDialog->setMimeTypeFilters({
-#if QT_CONFIG(texthtmlparser)
-                                   "text/html",
-#endif
-#if QT_CONFIG(textmarkdownreader)
-
-                                   "text/markdown",
-#endif
-                                   "text/plain"});
-
-    connect(fileDialog, &QFileDialog::fileSelected, [=](const QString &file) {
-        statusBar()->showMessage(
-                load(file) ? tr(R"(Opened "%1")").arg(QDir::toNativeSeparators(file))
-                           : tr(R"(Could not open "%1")").arg(QDir::toNativeSeparators(file)));
-    });
-    fileDialog->setAttribute(Qt::WA_DeleteOnClose);
-    fileDialog->open();
-}
-
-void TextEdit::fileSave(SaveContinuation continuation)
-{
-    if (fileName.isEmpty() || fileName.startsWith(u":/"))
-        return fileSaveAs(continuation);
-
-    QTextDocumentWriter writer(fileName);
-    bool success = writer.write(textEdit->document());
-    if (success) {
-        textEdit->document()->setModified(false);
-        statusBar()->showMessage(tr("Wrote \"%1\"").arg(QDir::toNativeSeparators(fileName)));
-    } else {
-        statusBar()->showMessage(tr("Could not write to file \"%1\"")
-                                 .arg(QDir::toNativeSeparators(fileName)));
-    }
-    fileSaveComplete(success ? continuation : SaveContinuation::None);
-}
-
-void TextEdit::fileSaveAs(SaveContinuation continuation)
-{
-    QFileDialog *fileDialog = new QFileDialog(this, tr("Save as..."));
-    fileDialog->setAcceptMode(QFileDialog::AcceptSave);
-    QStringList mimeTypes{"text/plain",
-#if QT_CONFIG(textodfwriter)
-                          "application/vnd.oasis.opendocument.text",
-#endif
-#if QT_CONFIG(textmarkdownwriter)
-                           "text/markdown",
-#endif
-                           "text/html"};
-    fileDialog->setMimeTypeFilters(mimeTypes);
-#if QT_CONFIG(textodfwriter)
-    fileDialog->setDefaultSuffix("odt");
-#endif
-    connect(fileDialog, &QFileDialog::finished, [this, continuation, fileDialog](int result) {
-        if (result != QDialog::Accepted)
-            return;
-        setCurrentFileName(fileDialog->selectedFiles().constFirst());
-        fileSave(continuation);
-    });
-    fileDialog->setAttribute(Qt::WA_DeleteOnClose);
-    fileDialog->open();
-}
-
-void TextEdit::fileSaveComplete(SaveContinuation continuation)
-{
-    switch (continuation) {
-    case SaveContinuation::Clear:
-        textEdit->clear();
-        setCurrentFileName({});
-        return;
-    case SaveContinuation::Close:
-        closeAccepted = true;
-        close();
-        return;
-    case SaveContinuation::None:
-        // NOOP as promised
-        return;
-    }
-}
-
-void TextEdit::filePrint()
-{
-#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog)
-    auto printer = std::make_shared<QPrinter>(QPrinter::HighResolution);
-    QPrintDialog *dlg = new QPrintDialog(printer.get(), this);
-    if (textEdit->textCursor().hasSelection())
-        dlg->setOption(QAbstractPrintDialog::PrintSelection);
-    dlg->setWindowTitle(tr("Print Document"));
-    dlg->setAttribute(Qt::WA_DeleteOnClose);
-    connect(dlg, qOverload<QPrinter *>(&QPrintDialog::accepted),
-            [this](QPrinter *printer) { textEdit->print(printer); });
-    connect(dlg, &QPrintDialog::finished, [printer]() mutable { printer.reset(); });
-    dlg->open();
-#endif
-}
-
-void TextEdit::filePrintPreview()
-{
-#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printpreviewdialog)
-    auto printer = std::make_shared<QPrinter>(QPrinter::HighResolution);
-    QPrintPreviewDialog *preview = new QPrintPreviewDialog(printer.get(), this);
-    preview->setAttribute(Qt::WA_DeleteOnClose);
-    connect(preview, &QPrintPreviewDialog::paintRequested, textEdit, &QTextEdit::print);
-    connect(preview, &QPrintPreviewDialog::finished, [printer]() mutable { printer.reset(); });
-    preview->open();
-#endif
-}
-
-void TextEdit::filePrintPdf()
-{
-#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
-    QFileDialog *fileDialog = new QFileDialog(this, tr("Export PDF"));
-    fileDialog->setAcceptMode(QFileDialog::AcceptSave);
-    fileDialog->setMimeTypeFilters(QStringList("application/pdf"));
-    fileDialog->setDefaultSuffix("pdf");
-    fileDialog->setAttribute(Qt::WA_DeleteOnClose);
-    connect(fileDialog, &QFileDialog::fileSelected, [this](const QString &file) {
-        QPrinter printer(QPrinter::HighResolution);
-        printer.setOutputFormat(QPrinter::PdfFormat);
-        printer.setOutputFileName(file);
-        textEdit->document()->print(&printer);
-        statusBar()->showMessage(tr("Exported \"%1\"").arg(QDir::toNativeSeparators(file)));
-    });
-
-    fileDialog->open();
-#endif
-}
-
-void TextEdit::textBold()
-{
-    QTextCharFormat fmt;
-    fmt.setFontWeight(actionTextBold->isChecked() ? QFont::Bold : QFont::Normal);
-    mergeFormatOnWordOrSelection(fmt);
-}
-
-void TextEdit::textUnderline()
-{
-    QTextCharFormat fmt;
-    fmt.setFontUnderline(actionTextUnderline->isChecked());
-    mergeFormatOnWordOrSelection(fmt);
-}
-
-void TextEdit::textItalic()
-{
-    QTextCharFormat fmt;
-    fmt.setFontItalic(actionTextItalic->isChecked());
-    mergeFormatOnWordOrSelection(fmt);
-}
-
-void TextEdit::textFamily(const QString &f)
-{
-    QTextCharFormat fmt;
-    fmt.setFontFamilies({f});
-    mergeFormatOnWordOrSelection(fmt);
-}
-
-void TextEdit::textSize(const QString &p)
-{
-    qreal pointSize = p.toFloat();
-    if (pointSize > 0) {
-        QTextCharFormat fmt;
-        fmt.setFontPointSize(pointSize);
-        mergeFormatOnWordOrSelection(fmt);
-    }
-}
-
-void TextEdit::textStyle(int styleIndex)
-{
-    QTextCursor cursor = textEdit->textCursor();
-    QTextListFormat::Style style = QTextListFormat::ListStyleUndefined;
-    QTextBlockFormat::MarkerType marker = QTextBlockFormat::MarkerType::NoMarker;
-
-    switch (styleIndex) {
-    case 1:
-        style = QTextListFormat::ListDisc;
-        break;
-    case 2:
-        style = QTextListFormat::ListCircle;
-        break;
-    case 3:
-        style = QTextListFormat::ListSquare;
-        break;
-    case 4:
-        if (cursor.currentList())
-            style = cursor.currentList()->format().style();
-        else
-            style = QTextListFormat::ListDisc;
-        marker = QTextBlockFormat::MarkerType::Unchecked;
-        break;
-    case 5:
-        if (cursor.currentList())
-            style = cursor.currentList()->format().style();
-        else
-            style = QTextListFormat::ListDisc;
-        marker = QTextBlockFormat::MarkerType::Checked;
-        break;
-    case 6:
-        style = QTextListFormat::ListDecimal;
-        break;
-    case 7:
-        style = QTextListFormat::ListLowerAlpha;
-        break;
-    case 8:
-        style = QTextListFormat::ListUpperAlpha;
-        break;
-    case 9:
-        style = QTextListFormat::ListLowerRoman;
-        break;
-    case 10:
-        style = QTextListFormat::ListUpperRoman;
-        break;
-    default:
-        break;
-    }
-
-    cursor.beginEditBlock();
-
-    QTextBlockFormat blockFmt = cursor.blockFormat();
-
-    if (style == QTextListFormat::ListStyleUndefined) {
-        blockFmt.setObjectIndex(-1);
-        int headingLevel = styleIndex >= 11 ? styleIndex - 11 + 1 : 0; // H1 to H6, or Standard
-        blockFmt.setHeadingLevel(headingLevel);
-        cursor.setBlockFormat(blockFmt);
-
-        int sizeAdjustment = headingLevel ? 4 - headingLevel : 0; // H1 to H6: +3 to -2
-        QTextCharFormat fmt;
-        fmt.setFontWeight(headingLevel ? QFont::Bold : QFont::Normal);
-        fmt.setProperty(QTextFormat::FontSizeAdjustment, sizeAdjustment);
-        cursor.select(QTextCursor::LineUnderCursor);
-        cursor.mergeCharFormat(fmt);
-        textEdit->mergeCurrentCharFormat(fmt);
-    } else {
-        blockFmt.setMarker(marker);
-        cursor.setBlockFormat(blockFmt);
-        QTextListFormat listFmt;
-        if (cursor.currentList()) {
-            listFmt = cursor.currentList()->format();
-        } else {
-            listFmt.setIndent(blockFmt.indent() + 1);
-            blockFmt.setIndent(0);
-            cursor.setBlockFormat(blockFmt);
-        }
-        listFmt.setStyle(style);
-        cursor.createList(listFmt);
-    }
-
-    cursor.endEditBlock();
-}
-
-void TextEdit::textColor()
-{
-    QColorDialog *dlg = new QColorDialog(this);
-    dlg->setCurrentColor(textEdit->textColor());
-    connect(dlg, &QColorDialog::colorSelected, [this](const QColor &color) {
-        if (!color.isValid())
-            return;
-        QTextCharFormat fmt;
-        fmt.setForeground(color);
-        mergeFormatOnWordOrSelection(fmt);
-        colorChanged(color);
-    });
-    dlg->setAttribute(Qt::WA_DeleteOnClose);
-    dlg->open();
-}
-
-void TextEdit::underlineColor()
-{
-    QColorDialog *dlg = new QColorDialog(this);
-    dlg->setCurrentColor(textEdit->textColor());
-    connect(dlg, &QColorDialog::colorSelected, [this](const QColor &color) {
-        if (!color.isValid())
-            return;
-        QTextCharFormat fmt;
-        fmt.setUnderlineColor(color);
-        mergeFormatOnWordOrSelection(fmt);
-        colorChanged(color);
-    });
-    dlg->setAttribute(Qt::WA_DeleteOnClose);
-    dlg->open();
-}
-
-void TextEdit::textAlign(QAction *a)
-{
-    if (a == actionAlignLeft)
-        textEdit->setAlignment(Qt::AlignLeft | Qt::AlignAbsolute);
-    else if (a == actionAlignCenter)
-        textEdit->setAlignment(Qt::AlignHCenter);
-    else if (a == actionAlignRight)
-        textEdit->setAlignment(Qt::AlignRight | Qt::AlignAbsolute);
-    else if (a == actionAlignJustify)
-        textEdit->setAlignment(Qt::AlignJustify);
-}
-
-void TextEdit::setChecked(bool checked)
-{
-    textStyle(checked ? 5 : 4);
-}
-
-void TextEdit::indent()
-{
-    modifyIndentation(1);
-}
-
-void TextEdit::unindent()
-{
-    modifyIndentation(-1);
-}
-
-void TextEdit::modifyIndentation(int amount)
-{
-    QTextCursor cursor = textEdit->textCursor();
-    cursor.beginEditBlock();
-    if (cursor.currentList()) {
-        QTextListFormat listFmt = cursor.currentList()->format();
-        // See whether the line above is the list we want to move this item into,
-        // or whether we need a new list.
-        QTextCursor above(cursor);
-        above.movePosition(QTextCursor::Up);
-        if (above.currentList() && listFmt.indent() + amount == above.currentList()->format().indent()) {
-            above.currentList()->add(cursor.block());
-        } else {
-            listFmt.setIndent(listFmt.indent() + amount);
-            cursor.createList(listFmt);
-        }
-    } else {
-        QTextBlockFormat blockFmt = cursor.blockFormat();
-        blockFmt.setIndent(blockFmt.indent() + amount);
-        cursor.setBlockFormat(blockFmt);
-    }
-    cursor.endEditBlock();
-}
-
-void TextEdit::currentCharFormatChanged(const QTextCharFormat &format)
-{
-    fontChanged(format.font());
-    colorChanged(format.foreground().color());
-}
-
-void TextEdit::cursorPositionChanged()
-{
-    alignmentChanged(textEdit->alignment());
-    QTextList *list = textEdit->textCursor().currentList();
-    if (list) {
-        switch (list->format().style()) {
-        case QTextListFormat::ListDisc:
-            comboStyle->setCurrentIndex(1);
-            break;
-        case QTextListFormat::ListCircle:
-            comboStyle->setCurrentIndex(2);
-            break;
-        case QTextListFormat::ListSquare:
-            comboStyle->setCurrentIndex(3);
-            break;
-        case QTextListFormat::ListDecimal:
-            comboStyle->setCurrentIndex(6);
-            break;
-        case QTextListFormat::ListLowerAlpha:
-            comboStyle->setCurrentIndex(7);
-            break;
-        case QTextListFormat::ListUpperAlpha:
-            comboStyle->setCurrentIndex(8);
-            break;
-        case QTextListFormat::ListLowerRoman:
-            comboStyle->setCurrentIndex(9);
-            break;
-        case QTextListFormat::ListUpperRoman:
-            comboStyle->setCurrentIndex(10);
-            break;
-        default:
-            comboStyle->setCurrentIndex(-1);
-            break;
-        }
-        switch (textEdit->textCursor().block().blockFormat().marker()) {
-        case QTextBlockFormat::MarkerType::NoMarker:
-            actionToggleCheckState->setChecked(false);
-            break;
-        case QTextBlockFormat::MarkerType::Unchecked:
-            comboStyle->setCurrentIndex(4);
-            actionToggleCheckState->setChecked(false);
-            break;
-        case QTextBlockFormat::MarkerType::Checked:
-            comboStyle->setCurrentIndex(5);
-            actionToggleCheckState->setChecked(true);
-            break;
-        }
-    } else {
-        int headingLevel = textEdit->textCursor().blockFormat().headingLevel();
-        comboStyle->setCurrentIndex(headingLevel ? headingLevel + 10 : 0);
-    }
-}
-
-void TextEdit::clipboardDataChanged()
-{
-#ifndef QT_NO_CLIPBOARD
-    if (const QMimeData *md = QGuiApplication::clipboard()->mimeData())
-        actionPaste->setEnabled(md->hasText());
-#endif
-}
-
-void TextEdit::about()
-{
-    QMessageBox *msgBox =
-            new QMessageBox(QMessageBox::Icon::Information, tr("About"),
-                            tr("This example demonstrates Qt's rich text editing facilities in "
-                               "action, providing an example document for you to experiment with."),
-                            QMessageBox::NoButton, this);
-    msgBox->setAttribute(Qt::WA_DeleteOnClose);
-    msgBox->open();
-}
-
-void TextEdit::mergeFormatOnWordOrSelection(const QTextCharFormat &format)
-{
-    QTextCursor cursor = textEdit->textCursor();
-    if (!cursor.hasSelection())
-        cursor.select(QTextCursor::WordUnderCursor);
-    cursor.mergeCharFormat(format);
-    textEdit->mergeCurrentCharFormat(format);
-}
-
-void TextEdit::fontChanged(const QFont &f)
-{
-    comboFont->setCurrentIndex(comboFont->findText(QFontInfo(f).family()));
-    comboSize->setCurrentIndex(comboSize->findText(QString::number(f.pointSize())));
-    actionTextBold->setChecked(f.bold());
-    actionTextItalic->setChecked(f.italic());
-    actionTextUnderline->setChecked(f.underline());
-}
-
-void TextEdit::colorChanged(const QColor &c)
-{
-    QPixmap pix(16, 16);
-    pix.fill(c);
-    actionTextColor->setIcon(pix);
-}
-
-void TextEdit::alignmentChanged(Qt::Alignment a)
-{
-    if (a.testFlag(Qt::AlignLeft))
-        actionAlignLeft->setChecked(true);
-    else if (a.testFlag(Qt::AlignHCenter))
-        actionAlignCenter->setChecked(true);
-    else if (a.testFlag(Qt::AlignRight))
-        actionAlignRight->setChecked(true);
-    else if (a.testFlag(Qt::AlignJustify))
-        actionAlignJustify->setChecked(true);
-}
-