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INTERVIE
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TEXTDISP.H
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C/C++ Source or Header
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1980-01-03
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3KB
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111 lines
/*
* 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.
*/
/*
* TextDisplay - basic text displaying
*/
#ifndef textdisplay_h
#define textdisplay_h
#include <InterViews/defs.h>
enum CaretStyleOptions {
NoCaret, DefaultCaret, BarCaret, UnderscoreCaret, OutlineCaret
};
class Painter;
class Canvas;
class TextDisplay {
public:
TextDisplay(boolean autosized = false);
~TextDisplay();
void Draw(Painter*, Canvas*);
void LineHeight(Coord height);
void TabWidth(Coord width);
void Scroll(int line, Coord x, Coord y);
void Resize(Coord xmin, Coord ymin, Coord xmax, Coord ymax);
void Bounds(Coord& xmin, Coord& ymin, Coord& xmax, Coord& ymax);
void Redraw(Coord l, Coord b, Coord r, Coord t);
void InsertLinesAfter(int line, int count = 1);
void InsertLinesBefore(int line, int count = 1);
void DeleteLinesAfter(int line, int count = 1);
void DeleteLinesBefore(int line, int count = 1);
void InsertText(int line, int index, const char*, int count);
void DeleteText(int line, int index, int count);
void ReplaceText(int line, const char*, int count);
void Style(int line1, int index1, int line2, int index2, int style);
void AddStyle(int line1, int index1, int line2, int index2, int style);
void RemoveStyle(int line1, int index1, int line2, int index2, int style);
void Caret(int line, int index);
void CaretStyle(int);
int LineNumber(Coord y);
int LineIndex(int line, Coord x, boolean between = true);
Coord Width();
Coord Height();
Coord Base(int line);
Coord Top(int line);
Coord Left(int line, int index);
Coord Right(int line, int index);
private:
friend class TextLine;
void Size(int, int);
TextLine* Line(int, boolean);
int Index(int);
void HideCaret();
void ShowCaret();
Painter* painter;
Canvas* canvas;
boolean autosized;
Coord xmin, xmax;
Coord ymin, ymax;
Coord x0, y0;
Coord width;
int lineheight;
int tabwidth;
TextLine** lines;
int maxlines;
int firstline;
int lastline;
int topline;
int bottomline;
int widestline;
int caretline;
int caretindex;
int caretstyle;
};
#endif