/usr/include/IV-2_6/InterViews/perspective.h is in ivtools-dev 1.2.11a1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University
* Copyright (c) 1991 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Stanford and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Stanford and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, 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 iv2_6_perspective_h
#define iv2_6_perspective_h
#include <InterViews/boolean.h>
#include <InterViews/coord.h>
#include <InterViews/resource.h>
#include <IV-2_6/_enter.h>
class Interactor;
class ViewList;
//: indicates portion of total view shown (iv-2.6).
// A Perspective describes what portion of the total view
// an Interactor shows.
// <p><a href=../man3.1/Perspective.html>man page</a>
class Perspective : public Resource {
public:
IntCoord x0, y0; /* origin of view */
int width, height; /* total size of view */
IntCoord 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(IntCoord ix0, IntCoord iy0, int iwidth, int iheight);
void Attach(Interactor*);
void Detach(Interactor*);
void Update();
boolean operator ==(Perspective&);
boolean operator !=(Perspective&);
Perspective& operator =(Perspective&);
protected:
ViewList* views; /* interactors that access the perspective */
};
#include <IV-2_6/_leave.h>
#endif
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