/usr/include/IVGlyph/scrollable.h is in ivtools-dev 1.2.11a1-11.
This file is owned by root:root, with mode 0o644.
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* Copyright (c) 1995-1996 Vectaport Inc.
*
* 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 names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
*
*/
#ifndef scrollable_h
#define scrollable_h
#include <InterViews/adjust.h>
#include <InterViews/patch.h>
#include <stdio.h>
class TransformSetter;
class Page;
class Scrollable : public Patch, public Adjustable {
public:
Scrollable(Glyph* g, Page* pg, Coord w, Coord h);
virtual ~Scrollable();
virtual void draw(Canvas*, const Allocation&) const;
virtual void pick(Canvas*, const Allocation&, int depth, Hit&);
virtual void reallocate();
virtual void request(Requisition&) const;
virtual void allocate(Canvas*, const Allocation&, Extension&);
virtual Coord lower(DimensionName) const;
virtual Coord upper(DimensionName) const;
virtual Coord length(DimensionName) const;
virtual Coord cur_lower(DimensionName) const;
virtual Coord cur_upper(DimensionName) const;
virtual Coord cur_length(DimensionName) const;
virtual void scroll_to(DimensionName, Coord lower);
virtual void scale_to(DimensionName, float fraction_visible);
virtual void zoom_to(float magnification);
virtual float scale();
virtual void scroll_scr(Coord cnew) { scroll_incr_ = cnew; }
virtual void page_scr(Coord cnew) { page_incr_ = cnew; }
virtual void scroll_forward(DimensionName d) {
Coord newpos;
if (d == Dimension_X) {
newpos = dx_ + scroll_incr_;
} else {
newpos = dy_ + scroll_incr_;
};
scroll_to(d, newpos);
}
virtual void scroll_backward(DimensionName d) {
Coord newpos;
if (d == Dimension_X) {
newpos = dx_ - scroll_incr_;
} else {
newpos = dy_ - scroll_incr_;
};
scroll_to(d, newpos);
}
virtual void page_forward(DimensionName d) {
Coord newpos;
if (d == Dimension_X) {
newpos = dx_ + page_incr_;
} else {
newpos = dy_ + page_incr_;
};
scroll_to(d, newpos);
}
virtual void page_backward(DimensionName d) {
Coord newpos;
if (d == Dimension_X) {
newpos = dx_ - page_incr_;
} else {
newpos = dy_ - page_incr_;
};
scroll_to(d, newpos);
}
Coord width_, height_;
Coord scale_;
Coord dx_, dy_;
Coord scroll_incr_;
Coord page_incr_;
Requisition requisition_;
TransformSetter* xform_;
Page* page_;
};
#endif
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