textedit.cpp Example File

richtext/textedit/textedit.cpp
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#include <QAction>
#include <QApplication>
#include <QClipboard>
#include <QColorDialog>
#include <QComboBox>
#include <QFontComboBox>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QFontDatabase>
#include <QMenu>
#include <QMenuBar>
#include <QTextCodec>
#include <QTextEdit>
#include <QStatusBar>
#include <QToolBar>
#include <QTextCursor>
#include <QTextDocumentWriter>
#include <QTextList>
#include <QtDebug>
#include <QCloseEvent>
#include <QMessageBox>
#include <QMimeData>
#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

#include "textedit.h"

#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_OSX
    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());

    connect(textEdit->document(), &QTextDocument::modificationChanged,
            actionSave, &QAction::setEnabled);
    connect(textEdit->document(), &QTextDocument::modificationChanged,
            this, &QWidget::setWindowModified);
    connect(textEdit->document(), &QTextDocument::undoAvailable,
            actionUndo, &QAction::setEnabled);
    connect(textEdit->document(), &QTextDocument::redoAvailable,
            actionRedo, &QAction::setEnabled);

    setWindowModified(textEdit->document()->isModified());
    actionSave->setEnabled(textEdit->document()->isModified());
    actionUndo->setEnabled(textEdit->document()->isUndoAvailable());
    actionRedo->setEnabled(textEdit->document()->isRedoAvailable());

#ifndef QT_NO_CLIPBOARD
    actionCut->setEnabled(false);
    actionCopy->setEnabled(false);

    connect(QApplication::clipboard(), &QClipboard::dataChanged, this, &TextEdit::clipboardDataChanged);
#endif

    textEdit->setFocus();
    setCurrentFileName(QString());
}

void TextEdit::closeEvent(QCloseEvent *e)
{
    if (maybeSave())
        e->accept();
    else
        e->ignore();
}

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, &TextEdit::fileSave);
    actionSave->setShortcut(QKeySequence::Save);
    actionSave->setEnabled(false);
    tb->addAction(actionSave);

    a = menu->addAction(tr("Save &As..."), this, &TextEdit::fileSaveAs);
    a->setPriority(QAction::LowPriority);
    menu->addSeparator();

#ifndef QT_NO_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"), this, &QWidget::close);
    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 = QApplication::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);

    // Make sure the alignLeft  is always left of the alignRight
    QActionGroup *alignGroup = new QActionGroup(this);
    connect(alignGroup, &QActionGroup::triggered, this, &TextEdit::textAlign);

    if (QApplication::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());

    menu->addSeparator();

    QPixmap pix(16, 16);
    pix.fill(Qt::black);
    actionTextColor = menu->addAction(pix, tr("&Color..."), this, &TextEdit::textColor);
    tb->addAction(actionTextColor);

    tb = addToolBar(tr("Format Actions"));
    tb->setAllowedAreas(Qt::TopToolBarArea | Qt::BottomToolBarArea);
    addToolBarBreak(Qt::TopToolBarArea);
    addToolBar(tb);

    comboStyle = new QComboBox(tb);
    tb->addWidget(comboStyle);
    comboStyle->addItem("Standard");
    comboStyle->addItem("Bullet List (Disc)");
    comboStyle->addItem("Bullet List (Circle)");
    comboStyle->addItem("Bullet List (Square)");
    comboStyle->addItem("Ordered List (Decimal)");
    comboStyle->addItem("Ordered List (Alpha lower)");
    comboStyle->addItem("Ordered List (Alpha upper)");
    comboStyle->addItem("Ordered List (Roman lower)");
    comboStyle->addItem("Ordered List (Roman upper)");

    connect(comboStyle, QOverload<int>::of(&QComboBox::activated), this, &TextEdit::textStyle);

    comboFont = new QFontComboBox(tb);
    tb->addWidget(comboFont);
    connect(comboFont, QOverload<const QString &>::of(&QComboBox::activated), this, &TextEdit::textFamily);

    comboSize = new QComboBox(tb);
    comboSize->setObjectName("comboSize");
    tb->addWidget(comboSize);
    comboSize->setEditable(true);

    const QList<int> standardSizes = QFontDatabase::standardSizes();
    foreach (int size, standardSizes)
        comboSize->addItem(QString::number(size));
    comboSize->setCurrentIndex(standardSizes.indexOf(QApplication::font().pointSize()));

    connect(comboSize, QOverload<const QString &>::of(&QComboBox::activated), 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();
    QTextCodec *codec = Qt::codecForHtml(data);
    QString str = codec->toUnicode(data);
    if (Qt::mightBeRichText(str)) {
        textEdit->setHtml(str);
    } else {
        str = QString::fromLocal8Bit(data);
        textEdit->setPlainText(str);
    }

    setCurrentFileName(f);
    return true;
}

bool TextEdit::maybeSave()
{
    if (!textEdit->document()->isModified())
        return true;

    const QMessageBox::StandardButton ret =
        QMessageBox::warning(this, QCoreApplication::applicationName(),
                             tr("The document has been modified.\n"
                                "Do you want to save your changes?"),
                             QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
    if (ret == QMessageBox::Save)
        return fileSave();
    else if (ret == QMessageBox::Cancel)
        return false;
    return true;
}

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()
{
    if (maybeSave()) {
        textEdit->clear();
        setCurrentFileName(QString());
    }
}

void TextEdit::fileOpen()
{
    QFileDialog fileDialog(this, tr("Open File..."));
    fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
    fileDialog.setFileMode(QFileDialog::ExistingFile);
    fileDialog.setMimeTypeFilters(QStringList() << "text/html" << "text/plain");
    if (fileDialog.exec() != QDialog::Accepted)
        return;
    const QString fn = fileDialog.selectedFiles().first();
    if (load(fn))
        statusBar()->showMessage(tr("Opened \"%1\"").arg(QDir::toNativeSeparators(fn)));
    else
        statusBar()->showMessage(tr("Could not open \"%1\"").arg(QDir::toNativeSeparators(fn)));
}

bool TextEdit::fileSave()
{
    if (fileName.isEmpty())
        return fileSaveAs();
    if (fileName.startsWith(QStringLiteral(":/")))
        return fileSaveAs();

    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)));
    }
    return success;
}

bool TextEdit::fileSaveAs()
{
    QFileDialog fileDialog(this, tr("Save as..."));
    fileDialog.setAcceptMode(QFileDialog::AcceptSave);
    QStringList mimeTypes;
    mimeTypes << "application/vnd.oasis.opendocument.text" << "text/html" << "text/plain";
    fileDialog.setMimeTypeFilters(mimeTypes);
    fileDialog.setDefaultSuffix("odt");
    if (fileDialog.exec() != QDialog::Accepted)
        return false;
    const QString fn = fileDialog.selectedFiles().first();
    setCurrentFileName(fn);
    return fileSave();
}

void TextEdit::filePrint()
{
#if QT_CONFIG(printdialog)
    QPrinter printer(QPrinter::HighResolution);
    QPrintDialog *dlg = new QPrintDialog(&printer, this);
    if (textEdit->textCursor().hasSelection())
        dlg->addEnabledOption(QAbstractPrintDialog::PrintSelection);
    dlg->setWindowTitle(tr("Print Document"));
    if (dlg->exec() == QDialog::Accepted)
        textEdit->print(&printer);
    delete dlg;
#endif
}

void TextEdit::filePrintPreview()
{
#if QT_CONFIG(printpreviewdialog)
    QPrinter printer(QPrinter::HighResolution);
    QPrintPreviewDialog preview(&printer, this);
    connect(&preview, &QPrintPreviewDialog::paintRequested, this, &TextEdit::printPreview);
    preview.exec();
#endif
}

void TextEdit::printPreview(QPrinter *printer)
{
#ifdef QT_NO_PRINTER
    Q_UNUSED(printer);
#else
    textEdit->print(printer);
#endif
}

void TextEdit::filePrintPdf()
{
#ifndef QT_NO_PRINTER
    QFileDialog fileDialog(this, tr("Export PDF"));
    fileDialog.setAcceptMode(QFileDialog::AcceptSave);
    fileDialog.setMimeTypeFilters(QStringList("application/pdf"));
    fileDialog.setDefaultSuffix("pdf");
    if (fileDialog.exec() != QDialog::Accepted)
        return;
    QString fileName = fileDialog.selectedFiles().first();
    QPrinter printer(QPrinter::HighResolution);
    printer.setOutputFormat(QPrinter::PdfFormat);
    printer.setOutputFileName(fileName);
    textEdit->document()->print(&printer);
    statusBar()->showMessage(tr("Exported \"%1\"")
                             .arg(QDir::toNativeSeparators(fileName)));
#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.setFontFamily(f);
    mergeFormatOnWordOrSelection(fmt);
}

void TextEdit::textSize(const QString &p)
{
    qreal pointSize = p.toFloat();
    if (p.toFloat() > 0) {
        QTextCharFormat fmt;
        fmt.setFontPointSize(pointSize);
        mergeFormatOnWordOrSelection(fmt);
    }
}

void TextEdit::textStyle(int styleIndex)
{
    QTextCursor cursor = textEdit->textCursor();

    if (styleIndex != 0) {
        QTextListFormat::Style style = QTextListFormat::ListDisc;

        switch (styleIndex) {
            default:
            case 1:
                style = QTextListFormat::ListDisc;
                break;
            case 2:
                style = QTextListFormat::ListCircle;
                break;
            case 3:
                style = QTextListFormat::ListSquare;
                break;
            case 4:
                style = QTextListFormat::ListDecimal;
                break;
            case 5:
                style = QTextListFormat::ListLowerAlpha;
                break;
            case 6:
                style = QTextListFormat::ListUpperAlpha;
                break;
            case 7:
                style = QTextListFormat::ListLowerRoman;
                break;
            case 8:
                style = QTextListFormat::ListUpperRoman;
                break;
        }

        cursor.beginEditBlock();

        QTextBlockFormat blockFmt = cursor.blockFormat();

        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();
    } else {
        // ####
        QTextBlockFormat bfmt;
        bfmt.setObjectIndex(-1);
        cursor.mergeBlockFormat(bfmt);
    }
}

void TextEdit::textColor()
{
    QColor col = QColorDialog::getColor(textEdit->textColor(), this);
    if (!col.isValid())
        return;
    QTextCharFormat fmt;
    fmt.setForeground(col);
    mergeFormatOnWordOrSelection(fmt);
    colorChanged(col);
}

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::currentCharFormatChanged(const QTextCharFormat &format)
{
    fontChanged(format.font());
    colorChanged(format.foreground().color());
}

void TextEdit::cursorPositionChanged()
{
    alignmentChanged(textEdit->alignment());
}

void TextEdit::clipboardDataChanged()
{
#ifndef QT_NO_CLIPBOARD
    if (const QMimeData *md = QApplication::clipboard()->mimeData())
        actionPaste->setEnabled(md->hasText());
#endif
}

void TextEdit::about()
{
    QMessageBox::about(this, tr("About"), tr("This example demonstrates Qt's "
        "rich text editing facilities in action, providing an example "
        "document for you to experiment with."));
}

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 & Qt::AlignLeft)
        actionAlignLeft->setChecked(true);
    else if (a & Qt::AlignHCenter)
        actionAlignCenter->setChecked(true);
    else if (a & Qt::AlignRight)
        actionAlignRight->setChecked(true);
    else if (a & Qt::AlignJustify)
        actionAlignJustify->setChecked(true);
}

© 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.