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/********************************************************************************
* *
* I m a g e V i e w W i d g e t *
* *
*********************************************************************************
* Copyright (C) 2000,2002 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXImageView.h,v 1.8 2002/01/18 22:42:53 jeroen Exp $ *
********************************************************************************/
#ifndef FXIMAGEVIEW_H
#define FXIMAGEVIEW_H
#ifndef FXSCROLLAREA_H
#include "FXScrollArea.h"
#endif
class FXImage;
/**
* The Image View widget display a scrollable view of an image.
*/
class FXAPI FXImageView : public FXScrollArea {
FXDECLARE(FXImageView)
protected:
FXImage *image; // Image to view
FXint grabx; // Grab point x
FXint graby; // Grab point y
protected:
FXImageView();
virtual void layout();
private:
FXImageView(const FXImageView&);
FXImageView &operator=(const FXImageView&);
public:
long onPaint(FXObject*,FXSelector,void*);
long onMotion(FXObject*,FXSelector,void*);
long onRightBtnPress(FXObject*,FXSelector,void*);
long onRightBtnRelease(FXObject*,FXSelector,void*);
public:
enum {
ID_XYZ=FXScrollArea::ID_LAST,
ID_LAST
};
public:
/// Construct a scroll window
FXImageView(FXComposite* p,FXImage* img=NULL,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
/// Create server-side resources
virtual void create();
/// Detach server-side resources
virtual void detach();
/// Image view widget can receive focus
virtual FXbool canFocus() const;
/// Return the width of the contents
virtual FXint getContentWidth();
/// Return the height of the contents
virtual FXint getContentHeight();
/// Change image
void setImage(FXImage* img);
/// Return image
FXImage* getImage() const { return image; }
/// Save list to a stream
virtual void save(FXStream& store) const;
/// Load list from a stream
virtual void load(FXStream& store);
/// Destroy
virtual ~FXImageView();
};
#endif
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