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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQUICKCOMBOBOX_P_H
#define QQUICKCOMBOBOX_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtQuickTemplates2/private/qquickcontrol_p.h>

QT_BEGIN_NAMESPACE

class QQuickPopup;
class QQmlInstanceModel;
class QQuickComboBoxPrivate;

class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickComboBox : public QQuickControl
{
    Q_OBJECT
    Q_PROPERTY(int count READ count NOTIFY countChanged FINAL)
    Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged FINAL)
    Q_PROPERTY(QQmlInstanceModel *delegateModel READ delegateModel NOTIFY delegateModelChanged FINAL)
    Q_PROPERTY(bool pressed READ isPressed WRITE setPressed NOTIFY pressedChanged FINAL)
    Q_PROPERTY(int highlightedIndex READ highlightedIndex NOTIFY highlightedIndexChanged FINAL)
    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged FINAL)
    Q_PROPERTY(QString currentText READ currentText NOTIFY currentTextChanged FINAL)
    Q_PROPERTY(QString displayText READ displayText WRITE setDisplayText RESET resetDisplayText NOTIFY displayTextChanged FINAL)
    Q_PROPERTY(QString textRole READ textRole WRITE setTextRole NOTIFY textRoleChanged FINAL)
    Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged FINAL)
    Q_PROPERTY(QQuickItem *indicator READ indicator WRITE setIndicator NOTIFY indicatorChanged FINAL)
    Q_PROPERTY(QQuickPopup *popup READ popup WRITE setPopup NOTIFY popupChanged FINAL)

public:
    explicit QQuickComboBox(QQuickItem *parent = nullptr);
    ~QQuickComboBox();

    int count() const;

    QVariant model() const;
    void setModel(const QVariant &model);
    QQmlInstanceModel *delegateModel() const;

    bool isPressed() const;
    void setPressed(bool pressed);

    int highlightedIndex() const;

    int currentIndex() const;
    void setCurrentIndex(int index);

    QString currentText() const;

    QString displayText() const;
    void setDisplayText(const QString &text);
    void resetDisplayText();

    QString textRole() const;
    void setTextRole(const QString &role);

    QQmlComponent *delegate() const;
    void setDelegate(QQmlComponent *delegate);

    QQuickItem *indicator() const;
    void setIndicator(QQuickItem *indicator);

    QQuickPopup *popup() const;
    void setPopup(QQuickPopup *popup);

    Q_INVOKABLE QString textAt(int index) const;
    Q_INVOKABLE int find(const QString &text, Qt::MatchFlags flags = Qt::MatchExactly) const;

public Q_SLOTS:
    void incrementCurrentIndex();
    void decrementCurrentIndex();

Q_SIGNALS:
    void countChanged();
    void modelChanged();
    void delegateModelChanged();
    void pressedChanged();
    void highlightedIndexChanged();
    void currentIndexChanged();
    void currentTextChanged();
    void displayTextChanged();
    void textRoleChanged();
    void delegateChanged();
    void indicatorChanged();
    void popupChanged();

    void activated(int index);
    void highlighted(int index);

protected:
    void focusOutEvent(QFocusEvent *event) override;
    void keyPressEvent(QKeyEvent *event) override;
    void keyReleaseEvent(QKeyEvent *event) override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    void mouseUngrabEvent() override;
    void wheelEvent(QWheelEvent *event) override;

    void componentComplete() override;

    QFont defaultFont() const override;

private:
    Q_DISABLE_COPY(QQuickComboBox)
    Q_DECLARE_PRIVATE(QQuickComboBox)
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickComboBox)

#endif // QQUICKCOMBOBOX_P_H