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CICA 1993 April
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CICA MS Windows - April 1993.iso
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misc
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iv26_w30
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intervie
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perspect.h
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C/C++ Source or Header
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1991-12-10
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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* A perspective describes what portion of the total view
* an interactor shows.
*/
#ifndef perspective_h
#define perspective_h
#include <InterViews/resource.h>
class Interactor;
class Perspective : public Resource {
public:
Coord x0, y0; /* origin of view */
int width, height; /* total size of view */
Coord curx, cury; /* current position */
int curwidth, curheight; /* current size */
int sx, sy, lx, ly; /* small and large scrolling increments */
Perspective();
Perspective(Perspective&);
~Perspective();
void Init(Coord ix0, Coord iy0, int iwidth, int iheight);
void Attach(class Interactor*);
void Detach(Interactor*);
void Update();
boolean operator ==(Perspective&);
boolean operator !=(Perspective&);
Perspective& operator =(Perspective&);
protected:
class ViewList* views; /* interactors that access the perspective */
};
#endif