/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/


#include <vcl/floatwin.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/image.hxx>

// -----------
// - Defines -
// -----------

#define WHEELMODE_NONE		0x00000000UL
#define WHEELMODE_VH		0x00000001UL
#define WHEELMODE_V			0x00000002UL
#define WHEELMODE_H			0x00000004UL
#define WHEELMODE_SCROLL_VH	0x00000008UL
#define WHEELMODE_SCROLL_V	0x00000010UL
#define WHEELMODE_SCROLL_H	0x00000020UL

// -------------------
// - ImplWheelWindow -
// -------------------

class Timer;

class ImplWheelWindow : public FloatingWindow
{
private:

	ImageList			maImgList;
	Bitmap				maWheelBmp;
	CommandScrollData	maCommandScrollData;
	Point				maLastMousePos;
	Point				maCenter;
	Timer*				mpTimer;
	sal_uLong				mnRepaintTime;
	sal_uLong				mnTimeout;
	sal_uLong				mnWheelMode;
	sal_uLong				mnMaxWidth;
	sal_uLong				mnActWidth;
	sal_uLong				mnActDist;
	long				mnActDeltaX;
	long				mnActDeltaY;
					
	void				ImplCreateImageList();
	void				ImplSetRegion( const Bitmap& rRegionBmp );
    using Window::ImplGetMousePointer;
	PointerStyle		ImplGetMousePointer( long nDistX, long nDistY );
	void				ImplDrawWheel();
	void				ImplRecalcScrollValues();
						
						DECL_LINK( ImplScrollHdl, Timer* pTimer );
						
protected:				
						
	virtual void		Paint( const Rectangle& rRect );
	virtual void		MouseMove( const MouseEvent& rMEvt );
	virtual void		MouseButtonUp( const MouseEvent& rMEvt );
						
public:					
						
						ImplWheelWindow( Window* pParent );
						~ImplWheelWindow();

    void                ImplStop();
	void				ImplSetWheelMode( sal_uLong nWheelMode );
	sal_uLong				ImplGetWheelMode() const { return mnWheelMode; }
};