qdialogbuttonbox.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 QDIALOGBUTTONBOX_H
#define QDIALOGBUTTONBOX_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qwidget.h>
 
QT_REQUIRE_CONFIG(dialogbuttonbox);
 
QT_BEGIN_NAMESPACE
 
 
class QAbstractButton;
class QPushButton;
class QDialogButtonBoxPrivate;
 
class Q_WIDGETS_EXPORT QDialogButtonBox : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
    Q_PROPERTY(StandardButtons standardButtons READ standardButtons WRITE setStandardButtons)
    Q_PROPERTY(bool centerButtons READ centerButtons WRITE setCenterButtons)
 
public:
    enum ButtonRole {
        // keep this in sync with QMessageBox::ButtonRole and QPlatformDialogHelper::ButtonRole
        InvalidRole = -1,
        AcceptRole,
        RejectRole,
        DestructiveRole,
        ActionRole,
        HelpRole,
        YesRole,
        NoRole,
        ResetRole,
        ApplyRole,
 
        NRoles
    };
 
    enum StandardButton {
        // keep this in sync with QMessageBox::StandardButton and QPlatformDialogHelper::StandardButton
        NoButton           = 0x00000000,
        Ok                 = 0x00000400,
        Save               = 0x00000800,
        SaveAll            = 0x00001000,
        Open               = 0x00002000,
        Yes                = 0x00004000,
        YesToAll           = 0x00008000,
        No                 = 0x00010000,
        NoToAll            = 0x00020000,
        Abort              = 0x00040000,
        Retry              = 0x00080000,
        Ignore             = 0x00100000,
        Close              = 0x00200000,
        Cancel             = 0x00400000,
        Discard            = 0x00800000,
        Help               = 0x01000000,
        Apply              = 0x02000000,
        Reset              = 0x04000000,
        RestoreDefaults    = 0x08000000,
 
#ifndef Q_MOC_RUN
        FirstButton        = Ok,
        LastButton         = RestoreDefaults
#endif
    };
 
    Q_DECLARE_FLAGS(StandardButtons, StandardButton)
    Q_FLAG(StandardButtons)
 
    enum ButtonLayout {
        // keep this in sync with QPlatformDialogHelper::ButtonLayout
        WinLayout,
        MacLayout,
        KdeLayout,
        GnomeLayout,
        AndroidLayout
    };
 
    QDialogButtonBox(QWidget *parent = nullptr);
    QDialogButtonBox(Qt::Orientation orientation, QWidget *parent = nullptr);
    explicit QDialogButtonBox(StandardButtons buttons, QWidget *parent = nullptr);
    QDialogButtonBox(StandardButtons buttons, Qt::Orientation orientation,
                     QWidget *parent = nullptr);
    ~QDialogButtonBox();
 
    void setOrientation(Qt::Orientation orientation);
    Qt::Orientation orientation() const;
 
    void addButton(QAbstractButton *button, ButtonRole role);
    QPushButton *addButton(const QString &text, ButtonRole role);
    QPushButton *addButton(StandardButton button);
    void removeButton(QAbstractButton *button);
    void clear();
 
    QList<QAbstractButton *> buttons() const;
    ButtonRole buttonRole(QAbstractButton *button) const;
 
    void setStandardButtons(StandardButtons buttons);
    StandardButtons standardButtons() const;
    StandardButton standardButton(QAbstractButton *button) const;
    QPushButton *button(StandardButton which) const;
 
    void setCenterButtons(bool center);
    bool centerButtons() const;
 
    bool eventFilter(QObject *object, QEvent *event) override;
 
Q_SIGNALS:
    void clicked(QAbstractButton *button);
    void accepted();
    void helpRequested();
    void rejected();
 
protected:
    void changeEvent(QEvent *event) override;
    bool event(QEvent *event) override;
 
private:
    Q_DISABLE_COPY(QDialogButtonBox)
    Q_DECLARE_PRIVATE(QDialogButtonBox)
};
 
Q_DECLARE_OPERATORS_FOR_FLAGS(QDialogButtonBox::StandardButtons)
 
QT_END_NAMESPACE
 
#endif // QDIALOGBUTTONBOX_H