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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qquickqcolordialog_p.h"
#include "qquickitem.h"

#include <private/qguiapplication_p.h>
#include <private/qqmlcontext_p.h>
#include <QWindow>
#include <QQuickWindow>
#include <QColorDialog>

QT_BEGIN_NAMESPACE

class QColorDialogHelper : public QPlatformColorDialogHelper
{
public:
    QColorDialogHelper() :
        QPlatformColorDialogHelper()
    {
        connect(&m_dialog, SIGNAL(currentColorChanged(const QColor&)), this, SIGNAL(currentColorChanged(const QColor&)));
        connect(&m_dialog, SIGNAL(colorSelected(const QColor&)), this, SIGNAL(colorSelected(const QColor&)));
        connect(&m_dialog, SIGNAL(accepted()), this, SIGNAL(accept()));
        connect(&m_dialog, SIGNAL(rejected()), this, SIGNAL(reject()));
    }

    virtual void setCurrentColor(const QColor &c) { m_dialog.setCurrentColor(c); }
    virtual QColor currentColor() const { return m_dialog.currentColor(); }

    virtual void exec() { m_dialog.exec(); }

    virtual bool show(Qt::WindowFlags f, Qt::WindowModality m, QWindow *parent) {
        m_dialog.winId();
        QWindow *window = m_dialog.windowHandle();
        Q_ASSERT(window);
        window->setTransientParent(parent);
        window->setFlags(f);
        m_dialog.setWindowModality(m);
        m_dialog.setWindowTitle(QPlatformColorDialogHelper::options()->windowTitle());
        m_dialog.setOptions((QColorDialog::ColorDialogOptions)((int)(QPlatformColorDialogHelper::options()->options())));
        m_dialog.show();
        return m_dialog.isVisible();
    }

    virtual void hide() { m_dialog.hide(); }

private:
    QColorDialog m_dialog;
};

/*!
    \qmltype QtColorDialog
    \instantiates QQuickQColorDialog
    \inqmlmodule QtQuick.PrivateWidgets 1
    \ingroup qtquick-visual
    \brief Dialog component for choosing a color.
    \since 5.1
    \internal

    QtColorDialog provides a means to instantiate and manage a QColorDialog.
    It is not recommended to be used directly; it is an implementation
    detail of \l ColorDialog in the \l QtQuick.Dialogs module.

    To use this type, you will need to import the module with the following line:
    \code
    import QtQuick.PrivateWidgets 1.0
    \endcode
*/

/*!
    \qmlsignal QtQuick::Dialogs::ColorDialog::accepted

    The \a accepted signal is emitted when the user has finished using the
    dialog. You can then inspect the \a color property to get the selection.

    Example:

    \qml
    ColorDialog {
        onAccepted: { console.log("Selected color: " + color) }
    }
    \endqml
*/

/*!
    \qmlsignal QtQuick::Dialogs::ColorDialog::rejected

    The \a rejected signal is emitted when the user has dismissed the dialog,
    either by closing the dialog window or by pressing the Cancel button.
*/

/*!
    \class QQuickQColorDialog
    \inmodule QtQuick.PrivateWidgets
    \internal

    \brief The QQuickQColorDialog class is a wrapper for a QColorDialog.

    \since 5.1
*/

/*!
    Constructs a file dialog with parent window \a parent.
*/
QQuickQColorDialog::QQuickQColorDialog(QObject *parent)
    : QQuickAbstractColorDialog(parent)
{
}

/*!
    Destroys the file dialog.
*/
QQuickQColorDialog::~QQuickQColorDialog()
{
    if (m_dlgHelper)
        m_dlgHelper->hide();
    delete m_dlgHelper;
}

QPlatformColorDialogHelper *QQuickQColorDialog::helper()
{
    QQuickItem *parentItem = qobject_cast<QQuickItem *>(parent());
    if (parentItem)
        m_parentWindow = parentItem->window();

    if (!m_dlgHelper) {
        m_dlgHelper = new QColorDialogHelper();
        connect(m_dlgHelper, SIGNAL(currentColorChanged(const QColor&)), this, SLOT(setColor(QColor)));
        connect(m_dlgHelper, SIGNAL(colorSelected(const QColor&)), this, SLOT(setColor(QColor)));
        connect(m_dlgHelper, SIGNAL(accept()), this, SLOT(accept()));
        connect(m_dlgHelper, SIGNAL(reject()), this, SLOT(reject()));
    }

    return m_dlgHelper;
}

QT_END_NAMESPACE