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/* -*- 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/.
*
*/
#ifndef INCLUDED_VCL_INC_WIDGETDRAWINTERFACE_HXX
#define INCLUDED_VCL_INC_WIDGETDRAWINTERFACE_HXX
#include <vcl/dllapi.h>
#include <vcl/salnativewidgets.hxx>
#include <vcl/settings.hxx>
namespace vcl
{
class VCL_PLUGIN_PUBLIC WidgetDrawInterface
{
public:
virtual ~WidgetDrawInterface() COVERITY_NOEXCEPT_FALSE {}
/**
* Query the platform layer for native control support.
*
* @param [in] eType The widget type.
* @param [in] ePart The part of the widget.
* @return true if the platform supports native drawing of the widget type defined by part.
*/
virtual inline bool isNativeControlSupported(ControlType eType, ControlPart ePart);
/**
* Query if a position is inside the native widget part.
*
* Mainly used for scrollbars.
*
* @param [in] eType The widget type.
* @param [in] ePart The part of the widget.
* @param [in] rBoundingControlRegion The bounding Rectangle of
the complete control in VCL frame coordinates.
* @param [in] aPos The position to check the hit.
* @param [out] rIsInside true, if \a aPos was inside the native widget.
* @return true, if the query was successful.
*/
virtual inline bool hitTestNativeControl(ControlType eType, ControlPart ePart,
const tools::Rectangle& rBoundingControlRegion,
const Point& aPos, bool& rIsInside);
/**
* Draw the requested control.
*
* @param [in] eType The widget type.
* @param [in] ePart The part of the widget.
* @param [in] rBoundingControlRegion The bounding rectangle of
* the complete control in VCL frame coordinates.
* @param [in] eState The general state of the control (enabled, focused, etc.).
* @param [in] aValue Addition control specific information.
* @param [in] aCaption A caption or title string (like button text etc.).
* @param [in] rBackgroundColor Background color for the control (may be COL_AUTO)
* @return true, if the control could be drawn.
*/
virtual inline bool drawNativeControl(ControlType eType, ControlPart ePart,
const tools::Rectangle& rBoundingControlRegion,
ControlState eState, const ImplControlValue& aValue,
const OUString& aCaptions, const Color& rBackgroundColor);
/**
* Get the native control regions for the control part.
*
* If the return value is true, \a rNativeBoundingRegion contains
* the true bounding region covered by the control including any
* adornment, while \a rNativeContentRegion contains the area
* within the control that can be safely drawn into without drawing over
* the borders of the control.
*
* @param [in] eType Type of the widget.
* @param [in] ePart Specification of the widget's part if it consists of more than one.
* @param [in] rBoundingControlRegion The bounding region of the control in VCL frame coordinates.
* @param [in] eState The general state of the control (enabled, focused, etc.).
* @param [in] aValue Addition control specific information.
* @param [in] aCaption A caption or title string (like button text etc.).
* @param [out] rNativeBoundingRegion The region covered by the control including any adornment.
* @param [out] rNativeContentRegion The region within the control that can be safely drawn into.
* @return true, if the regions are filled.
*/
virtual inline bool getNativeControlRegion(ControlType eType, ControlPart ePart,
const tools::Rectangle& rBoundingControlRegion,
ControlState eState, const ImplControlValue& aValue,
const OUString& aCaption,
tools::Rectangle& rNativeBoundingRegion,
tools::Rectangle& rNativeContentRegion);
virtual inline bool updateSettings(AllSettings& rSettings);
};
bool WidgetDrawInterface::isNativeControlSupported(ControlType, ControlPart) { return false; }
bool WidgetDrawInterface::hitTestNativeControl(ControlType, ControlPart, const tools::Rectangle&,
const Point&, bool&)
{
return false;
}
bool WidgetDrawInterface::drawNativeControl(ControlType, ControlPart, const tools::Rectangle&,
ControlState, const ImplControlValue&, const OUString&,
const Color& /*rBackgroundColor*/)
{
return false;
}
bool WidgetDrawInterface::getNativeControlRegion(ControlType, ControlPart, const tools::Rectangle&,
ControlState, const ImplControlValue&,
const OUString&, tools::Rectangle&,
tools::Rectangle&)
{
return false;
}
bool WidgetDrawInterface::updateSettings(AllSettings&) { return false; }
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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