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/***********************************************************************
	filename: 	CEGUIButtonBase.h
	created:	13/4/2004
	author:		Paul D Turner
	
	purpose:	Interface to base class for ButtonBase widget
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUIButtonBase_h_
#define _CEGUIButtonBase_h_

#include "CEGUIBase.h"
#include "CEGUIWindow.h"


#if defined(_MSC_VER)
#	pragma warning(push)
#	pragma warning(disable : 4251)
#endif


// Start of CEGUI namespace section
namespace CEGUI
{

/*!
\brief
	Base class for all the 'button' type widgets (push button, radio button, check-box, etc)
*/
class CEGUIEXPORT ButtonBase : public Window
{
public:
	/*************************************************************************
		Accessor type functions
	*************************************************************************/
	/*!
	\brief
		return true if user is hovering over this widget (or it's pushed and user is not over it for highlight)

	\return
		true if the user is hovering or if the button is pushed and the mouse is not over the button.  Otherwise return false.
	*/
	bool	isHovering(void) const			{return d_hovering;}


	/*!
	\brief
		Return true if the button widget is in the pushed state.

	\return
		true if the button-type widget is pushed, false if the widget is not pushed.
	*/
	bool	isPushed(void) const			{return d_pushed;}


	/*************************************************************************
		Construction and Destruction
	*************************************************************************/
	/*!
	\brief
		Constructor for ButtonBase objects
	*/
	ButtonBase(const String& type, const String& name);


	/*!
	\brief
		Destructor for ButtonBase objects
	*/
	virtual ~ButtonBase(void);


protected:
	/*************************************************************************
		Overridden event handlers
	*************************************************************************/
	virtual void	onMouseMove(MouseEventArgs& e);
	virtual void	onMouseButtonDown(MouseEventArgs& e);
	virtual void	onMouseButtonUp(MouseEventArgs& e);
	virtual void	onCaptureLost(WindowEventArgs& e);
	virtual void	onMouseLeaves(MouseEventArgs& e);


	/*************************************************************************
		Implementation Functions
	*************************************************************************/
	/*!
	\brief
		Update the internal state of the widget with the mouse at the given position.

	\param mouse_pos
		Point object describing, in screen pixel co-ordinates, the location of the mouse cursor.

	\return
		Nothing
	*/
	void	updateInternalState(const Point& mouse_pos);


	/*!
	\brief
		Return whether this window was inherited from the given class name at some point in the inheritance hierarchy.

	\param class_name
		The class name that is to be checked.

	\return
		true if this window was inherited from \a class_name. false if not.
	*/
	virtual bool	testClassName_impl(const String& class_name) const
	{
		if (class_name=="ButtonBase")	return true;
		return Window::testClassName_impl(class_name);
	}


	/*************************************************************************
		Implementation Data
	*************************************************************************/
	bool	d_pushed;			//!< true when widget is pushed
	bool	d_hovering;			//!< true when the button is in 'hover' state and requires the hover rendering.
};

} // End of  CEGUI namespace section

#if defined(_MSC_VER)
#	pragma warning(pop)
#endif

#endif	// end of guard _CEGUIButtonBase_h_
CEGUIButtonBase.h
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