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EXAMPLES
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STATEVIE.H
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1980-01-05
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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.
*/
// $Header: stateviews.h,v 1.9 89/10/09 14:49:56 linton Exp $
// declares classes StateView and StateView's subclasses.
#ifndef stateviews_h
#define stateviews_h
#include <InterViews/interactor.h>
// Declare imported types.
class Graphic;
class State;
// A StateView attaches itself to a State and displays some of the
// State's information.
class StateView : public Interactor {
public:
StateView(State*, const char*);
~StateView();
protected:
void Reconfig();
void Redraw(Coord, Coord, Coord, Coord);
void Resize();
State* state; // stores subject whose attribute view displays
char* label; // stores view's text label
Coord label_x, label_y; // stores position at which to display label
};
// A BrushView displays the current brush.
class BrushView : public StateView {
public:
BrushView(State*);
~BrushView();
void Update();
protected:
void Reconfig();
void Redraw(Coord, Coord, Coord, Coord);
void Resize();
Graphic* brushindic; // displays line to demonstrate brush's effect
};
// A DrawingNameView displays the drawing's name.
class DrawingNameView : public StateView {
public:
DrawingNameView(State*);
void Update();
protected:
void Reconfig();
void Resize();
const char* GetDrawingName(State*);
};
// A FontView displays the current font.
class FontView : public StateView {
public:
FontView(State*);
~FontView();
void Update();
protected:
void Reconfig();
void Redraw(Coord, Coord, Coord, Coord);
const char* GetPrintFontAndSize(State*);
Painter* background; // draws background behind label
};
// A GriddingView displays the current status of the grid's gridding.
class GriddingView : public StateView {
public:
GriddingView(State*);
void Update();
protected:
const char* GetGridding(State*);
};
// A MagnifView displays the current magnification.
class MagnifView : public StateView {
public:
MagnifView(State*, Interactor*);
void Update();
protected:
void Resize();
const char* GetMagnif(State*);
};
// A ModifStatusView displays the current modification status.
class ModifStatusView : public StateView {
public:
ModifStatusView(State*);
void Update();
protected:
const char* GetModifStatus(State*);
};
// A PatternView displays the current pattern.
class PatternView : public StateView {
public:
PatternView(State*);
~PatternView();
void Update();
protected:
void Reconfig();
void Redraw(Coord, Coord, Coord, Coord);
Painter* patindic; // fills rect to demonstrate pat's effect
};
#endif