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/*
* $XConsortium: TextP.h,v 1.42 89/11/21 15:48:03 swick Exp $
*/
/***********************************************************
Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts,
and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
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 Digital or MIT not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL 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 _XawTextP_h
#define _XawTextP_h
#include <X11/Xraw/XawInit.h>
#include <X11/Xraw/Text.h>
#include <X11/Xraw/SimpleP.h>
/****************************************************************
*
* Text widget private
*
****************************************************************/
#define MAXCUT 30000 /* Maximum number of characters that can be cut. */
#define abs(x) (((x) < 0) ? (-(x)) : (x))
#define GET_LAST_POS XawTextSourceScan(ctx->text.source, 0, \
XawstAll, XawsdRight, 1, TRUE)
#define zeroPosition ((XawTextPosition) 0)
extern XtActionsRec textActionsTable[];
extern Cardinal textActionsTableCount;
#define LF 0x0a
#define CR 0x0d
#define TAB 0x09
#define BS 0x08
#define SP 0x20
#define DEL 0x7f
#define BSLASH '\\'
/* constants that subclasses may want to know */
#define DEFAULT_TEXT_HEIGHT ((Dimension)~0)
/* displayable text management data structures */
typedef struct {
XawTextPosition position;
Position y;
Dimension textWidth;
} XawTextLineTableEntry, *XawTextLineTableEntryPtr;
typedef struct {
XawTextPosition left, right;
XawTextSelectType type;
Atom* selections;
int atom_count;
int array_size;
} XawTextSelection;
/* Line Tables are n+1 long - last position displayed is in last lt entry */
typedef struct {
XawTextPosition top; /* Top of the displayed text. */
int lines; /* How many lines in this table. */
XawTextLineTableEntry *info; /* A dynamic array, one entry per line */
} XawTextLineTable, *XawTextLineTablePtr;
typedef struct _XawTextMargin {
Position left, right, top, bottom;
} XawTextMargin;
#define VMargins(ctx) ( (ctx)->text.margin.top + (ctx)->text.margin.bottom )
#define HMargins(ctx) ( (ctx)->text.margin.left + (ctx)->text.margin.right )
#define IsPositionVisible(ctx, pos) \
(pos >= ctx->text.lt.info[0].position && \
pos < ctx->text.lt.info[ctx->text.lt.lines].position)
/*
* Search & Replace data structure.
*/
struct SearchAndReplace {
Boolean selection_changed; /* flag so that the selection cannot be
changed out from underneath query-replace.*/
Widget search_popup; /* The poppup widget that allows searches.*/
Widget label1; /* The label widgets for the search window. */
Widget label2;
Widget left_toggle; /* The left search toggle radioGroup. */
Widget right_toggle; /* The right search toggle radioGroup. */
Widget rep_label; /* The Replace label string. */
Widget rep_text; /* The Replace text field. */
Widget search_text; /* The Search text field. */
Widget rep_one; /* The Replace one button. */
Widget rep_all; /* The Replace all button. */
};
/* Private Text Definitions */
typedef int (*ActionProc)();
/* New fields for the Text widget class record */
typedef struct {int empty;} TextClassPart;
/* Full class record declaration */
typedef struct _TextClassRec {
CoreClassPart core_class;
SimpleClassPart simple_class;
TextClassPart text_class;
} TextClassRec;
extern TextClassRec textClassRec;
/* New fields for the Text widget record */
typedef struct _TextPart {
/* resources */
Widget source, sink;
XawTextPosition insertPos;
XawTextSelection s;
XawTextSelectType *sarray; /* Array to cycle for selections. */
int options; /* wordbreak, scroll, etc. */
int dialog_horiz_offset; /* position for popup dialog */
int dialog_vert_offset; /* position for popup dialog */
Boolean display_caret; /* insertion pt visible iff T */
Boolean auto_fill; /* Auto fill mode? */
XawTextScrollMode scroll_vert, scroll_horiz; /*what type of scrollbars.*/
XawTextWrapMode wrap; /* The type of wrapping. */
XawTextResizeMode resize; /* what to resize */
XawTextMargin r_margin; /* The real margins. */
/* private state */
XawTextMargin margin; /* The current margins. */
XawTextLineTable lt;
XawTextScanDirection extendDir;
XawTextSelection origSel; /* the selection being modified */
Time lasttime; /* timestamp of last processed action */
Time time; /* time of last key or button action */
Position ev_x, ev_y; /* x, y coords for key or button action */
Widget vbar, hbar; /* The scroll bars (none = NULL). */
struct SearchAndReplace * search;/* Search and replace structure. */
Widget file_insert; /* The file insert popup widget. */
XawTextPosition *updateFrom; /* Array of start positions for update. */
XawTextPosition *updateTo; /* Array of end positions for update. */
int numranges; /* How many update ranges there are. */
int maxranges; /* How many ranges we have space for */
XawTextPosition lastPos; /* Last position of source. */
GC gc;
Boolean showposition; /* True if we need to show the position. */
Boolean hasfocus; /* TRUE if we currently have input focus.*/
Boolean update_disabled; /* TRUE if display updating turned off */
Boolean single_char; /* Single character replaced. */
XawTextPosition old_insert; /* Last insertPos for batched updates */
short mult; /* Multiplier. */
/* private state, shared w/Source and Sink */
Boolean redisplay_needed; /* in SetValues */
} TextPart;
/*************************************************************
*
* Resource types private to Text widget.
*
*************************************************************/
#define XtRScrollMode "ScrollMode"
#define XtRWrapMode "WrapMode"
#define XtRResizeMode "ResizeMode"
/****************************************************************
*
* Full instance record declaration
*
****************************************************************/
typedef struct _TextRec {
CorePart core;
SimplePart simple;
TextPart text;
} TextRec;
#ifdef XAW_BC
/*************************************************************
* For Compatibility only. */
#define XtTextLineTable XawTextLineTable
#define XtTextLineTablePtr XawTextLineTablePtr
#define XtTextLineTableEntry XawTextLineTableEntry
#define XtTextLineTableEntryPtr XawTextLineTableEntryPtr
/*************************************************************/
#endif /* XAW_BC */
extern void _XawTextPrepareToUpdate Xraw_PROTO((TextWidget));
extern int _XawTextReplace Xraw_PROTO((TextWidget,
XawTextPosition,
XawTextPosition,
XawTextBlock*));
#endif /* _XawTextP_h */
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