libreoffice/vcl/inc/qt5/Qt5Graphics_Controls.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#pragma once

#include <vclpluginapi.h>
#include <WidgetDrawInterface.hxx>

#include <memory>

#include <QtGui/QImage>
#include <QtGui/QPainter>
#include <QtGui/QRegion>
#include <QtWidgets/QPushButton>
#include <QtWidgets/QStyle>
#include <QtWidgets/QStyleOption>

class Qt5Graphics_Controls final : public vcl::WidgetDrawInterface
{
    std::unique_ptr<QImage> m_image;
    QRect m_lastPopupRect;

public:
    Qt5Graphics_Controls();

    QImage* getImage() { return m_image.get(); }

    bool isNativeControlSupported(ControlType nType, ControlPart nPart) override;
    bool hitTestNativeControl(ControlType nType, ControlPart nPart,
                              const tools::Rectangle& rControlRegion, const Point& aPos,
                              bool& rIsInside) override;
    bool drawNativeControl(ControlType nType, ControlPart nPart,
                           const tools::Rectangle& rControlRegion, ControlState nState,
                           const ImplControlValue& aValue, const OUString& aCaption) override;
    bool getNativeControlRegion(ControlType nType, ControlPart nPart,
                                const tools::Rectangle& rControlRegion, ControlState nState,
                                const ImplControlValue& aValue, const OUString& aCaption,
                                tools::Rectangle& rNativeBoundingRegion,
                                tools::Rectangle& rNativeContentRegion) override;

private:
    static int pixelMetric(QStyle::PixelMetric metric, const QStyleOption* option = nullptr);
    static QSize sizeFromContents(QStyle::ContentsType type, const QStyleOption* option,
                                  const QSize& contentsSize);
    static QRect subControlRect(QStyle::ComplexControl control, const QStyleOptionComplex* option,
                                QStyle::SubControl subControl);

    static void draw(QStyle::ControlElement element, QStyleOption* option, QImage* image,
                     QStyle::State const state = QStyle::State_None, QRect rect = QRect());
    static void draw(QStyle::PrimitiveElement element, QStyleOption* option, QImage* image,
                     QStyle::State const state = QStyle::State_None, QRect rect = QRect());
    static void draw(QStyle::ComplexControl element, QStyleOptionComplex* option, QImage* image,
                     QStyle::State const state = QStyle::State_None);
    static void drawFrame(QStyle::PrimitiveElement element, QImage* image,
                          QStyle::State const& state, bool bClip = true,
                          QStyle::PixelMetric eLineMetric = QStyle::PM_DefaultFrameWidth);

    static void fillQStyleOptionTab(const ImplControlValue& value, QStyleOptionTab& sot);
    static void fullQStyleOptionTabWidgetFrame(QStyleOptionTabWidgetFrame& option);
};

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