/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef _SV_HELP_HXX
#define _SV_HELP_HXX

#include <tools/string.hxx>
#include <vcl/sv.h>
#include <vcl/dllapi.h>

class Point;
class Rectangle;
class Window;

// --------------
// - Help-Types -
// --------------

#define QUICKHELP_LEFT		        ((sal_uInt16)0x0001)
#define QUICKHELP_CENTER	        ((sal_uInt16)0x0002)
#define QUICKHELP_RIGHT 	        ((sal_uInt16)0x0004)
#define QUICKHELP_TOP		        ((sal_uInt16)0x0008)
#define QUICKHELP_VCENTER	        ((sal_uInt16)0x0010)
#define QUICKHELP_BOTTOM	        ((sal_uInt16)0x0020)
#define QUICKHELP_NOAUTOPOS         (QUICKHELP_LEFT | QUICKHELP_CENTER | QUICKHELP_RIGHT | QUICKHELP_TOP | QUICKHELP_VCENTER | QUICKHELP_BOTTOM)
#define QUICKHELP_CTRLTEXT	        ((sal_uInt16)0x0040)
/// force the existent tip window to be re-positioned, even if the previous incarnation has the same text. Applies to ShowBallon and ShowQuickHelp.
#define QUICKHELP_FORCE_REPOSITION  ((sal_uInt16)0x0080)
/// no delay when opening the quick help. Applies to ShowBallon and ShowQuickHelp
#define QUICKHELP_NO_DELAY          ((sal_uInt16)0x0100)
/// force balloon-style in ShowTip
#define QUICKHELP_TIP_STYLE_BALLOON ((sal_uInt16)0x0200)
#define QUICKHELP_NOEVADEPOINTER    ((sal_uInt16)0x4000)
#define QUICKHELP_BIDI_RTL	        ((sal_uInt16)0x8000)

// By changes you must also change: rsc/vclrsc.hxx
#define OOO_HELP_INDEX			".help:index"
#define OOO_HELP_HELPONHELP 	".help:helponhelp"

// --------
// - Help -
// --------

class VCL_DLLPUBLIC Help
{
private:
	String				maHelpFile;

public:
						Help();
	virtual				~Help();

	void				SetHelpFile( const String& rFileName ) { maHelpFile = rFileName; }
	const String&		GetHelpFile() const { return maHelpFile; }

	virtual sal_Bool	Start( const XubString& rHelpId, const Window* pWindow );
	virtual sal_Bool	SearchKeyword( const XubString& rKeyWord );
	virtual void		OpenHelpAgent( const rtl::OString& rHelpId );
	virtual XubString   GetHelpText( const String& aHelpURL, const Window* pWindow );

	static void 		EnableContextHelp();
	static void 		DisableContextHelp();
	static sal_Bool 	IsContextHelpEnabled();
	static sal_Bool 	StartContextHelp();

	static void 		EnableExtHelp();
	static void 		DisableExtHelp();
	static sal_Bool 	IsExtHelpEnabled();
	static sal_Bool 	StartExtHelp();
	static sal_Bool 	EndExtHelp();
	static sal_Bool 	IsExtHelpActive();

	static void 		EnableBalloonHelp();
	static void 		DisableBalloonHelp();
	static sal_Bool 	IsBalloonHelpEnabled();
	static sal_Bool 	ShowBalloon( Window* pParent,
									 const Point& rScreenPos,
									 const XubString& rHelpText );
	static sal_Bool     ShowBalloon( Window* pParent,
									 const Point& rScreenPos,
									 const Rectangle&,
									 const XubString& rHelpText );

	static void 		EnableQuickHelp();
	static void 		DisableQuickHelp();
	static sal_Bool 	IsQuickHelpEnabled();
	static sal_Bool 	ShowQuickHelp( Window* pParent,
									   const Rectangle& rScreenRect,
									   const XubString& rHelpText,
									   const XubString& rLongHelpText,
									   sal_uInt16 nStyle = 0 );
	static sal_Bool 	ShowQuickHelp( Window* pParent,
									   const Rectangle& rScreenRect,
									   const XubString& rHelpText,
									   sal_uInt16 nStyle = 0 )
							{ return Help::ShowQuickHelp( pParent, rScreenRect, rHelpText, XubString(), nStyle ); }

    static void         HideBalloonAndQuickHelp();

	static sal_uLong	ShowTip( Window* pParent,
								 const Rectangle& rScreenRect,
								 const XubString& rText, sal_uInt16 nStyle = 0 );
    static void         UpdateTip( sal_uLong nId,
                                   Window* pParent,
								   const Rectangle& rScreenRect,
								   const XubString& rText );
	static void 		HideTip( sal_uLong nId );
};

#endif	// _SV_HELP_HXX