qfontdialog.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QFONTDIALOG_H
#define QFONTDIALOG_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtGui/qwindowdefs.h>
#include <QtGui/qfont.h>
 
#include <QtWidgets/qdialog.h>
 
QT_REQUIRE_CONFIG(fontdialog);
 
QT_BEGIN_NAMESPACE
 
class QFontDialogPrivate;
 
class Q_WIDGETS_EXPORT QFontDialog : public QDialog
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QFontDialog)
    Q_PROPERTY(QFont currentFont READ currentFont WRITE setCurrentFont NOTIFY currentFontChanged)
    Q_PROPERTY(FontDialogOptions options READ options WRITE setOptions)
 
public:
    enum FontDialogOption {
        NoButtons           = 0x00000001,
        DontUseNativeDialog = 0x00000002,
        ScalableFonts       = 0x00000004,
        NonScalableFonts    = 0x00000008,
        MonospacedFonts     = 0x00000010,
        ProportionalFonts   = 0x00000020
    };
    Q_ENUM(FontDialogOption)
 
    Q_DECLARE_FLAGS(FontDialogOptions, FontDialogOption)
 
    explicit QFontDialog(QWidget *parent = nullptr);
    explicit QFontDialog(const QFont &initial, QWidget *parent = nullptr);
    ~QFontDialog();
 
    void setCurrentFont(const QFont &font);
    QFont currentFont() const;
 
    QFont selectedFont() const;
 
    void setOption(FontDialogOption option, bool on = true);
    bool testOption(FontDialogOption option) const;
    void setOptions(FontDialogOptions options);
    FontDialogOptions options() const;
 
    using QDialog::open;
    void open(QObject *receiver, const char *member);
 
    void setVisible(bool visible) override;
 
    static QFont getFont(bool *ok, QWidget *parent = nullptr);
    static QFont getFont(bool *ok, const QFont &initial, QWidget *parent = nullptr, const QString &title = QString(),
                         FontDialogOptions options = FontDialogOptions());
 
Q_SIGNALS:
    void currentFontChanged(const QFont &font);
    void fontSelected(const QFont &font);
 
protected:
    void changeEvent(QEvent *event) override;
    void done(int result) override;
    bool eventFilter(QObject *object, QEvent *event) override;
 
private:
    Q_DISABLE_COPY(QFontDialog)
 
    Q_PRIVATE_SLOT(d_func(), void _q_sizeChanged(const QString &))
    Q_PRIVATE_SLOT(d_func(), void _q_familyHighlighted(int))
    Q_PRIVATE_SLOT(d_func(), void _q_writingSystemHighlighted(int))
    Q_PRIVATE_SLOT(d_func(), void _q_styleHighlighted(int))
    Q_PRIVATE_SLOT(d_func(), void _q_sizeHighlighted(int))
    Q_PRIVATE_SLOT(d_func(), void _q_updateSample())
};
 
Q_DECLARE_OPERATORS_FOR_FLAGS(QFontDialog::FontDialogOptions)
 
QT_END_NAMESPACE
 
#endif // QFONTDIALOG_H