| 1 |
578 |
markom |
/*
|
| 2 |
|
|
* tkText.h --
|
| 3 |
|
|
*
|
| 4 |
|
|
* Declarations shared among the files that implement text
|
| 5 |
|
|
* widgets.
|
| 6 |
|
|
*
|
| 7 |
|
|
* Copyright (c) 1992-1994 The Regents of the University of California.
|
| 8 |
|
|
* Copyright (c) 1994-1995 Sun Microsystems, Inc.
|
| 9 |
|
|
*
|
| 10 |
|
|
* See the file "license.terms" for information on usage and redistribution
|
| 11 |
|
|
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
| 12 |
|
|
*
|
| 13 |
|
|
* RCS: @(#) $Id: tkText.h,v 1.1.1.1 2002-01-16 10:25:53 markom Exp $
|
| 14 |
|
|
*/
|
| 15 |
|
|
|
| 16 |
|
|
#ifndef _TKTEXT
|
| 17 |
|
|
#define _TKTEXT
|
| 18 |
|
|
|
| 19 |
|
|
#ifndef _TK
|
| 20 |
|
|
#include "tk.h"
|
| 21 |
|
|
#endif
|
| 22 |
|
|
|
| 23 |
|
|
/*
|
| 24 |
|
|
* Opaque types for structures whose guts are only needed by a single
|
| 25 |
|
|
* file:
|
| 26 |
|
|
*/
|
| 27 |
|
|
|
| 28 |
|
|
typedef struct TkTextBTree *TkTextBTree;
|
| 29 |
|
|
|
| 30 |
|
|
/*
|
| 31 |
|
|
* The data structure below defines a single line of text (from newline
|
| 32 |
|
|
* to newline, not necessarily what appears on one line of the screen).
|
| 33 |
|
|
*/
|
| 34 |
|
|
|
| 35 |
|
|
typedef struct TkTextLine {
|
| 36 |
|
|
struct Node *parentPtr; /* Pointer to parent node containing
|
| 37 |
|
|
* line. */
|
| 38 |
|
|
struct TkTextLine *nextPtr; /* Next in linked list of lines with
|
| 39 |
|
|
* same parent node in B-tree. NULL
|
| 40 |
|
|
* means end of list. */
|
| 41 |
|
|
struct TkTextSegment *segPtr; /* First in ordered list of segments
|
| 42 |
|
|
* that make up the line. */
|
| 43 |
|
|
} TkTextLine;
|
| 44 |
|
|
|
| 45 |
|
|
/*
|
| 46 |
|
|
* -----------------------------------------------------------------------
|
| 47 |
|
|
* Segments: each line is divided into one or more segments, where each
|
| 48 |
|
|
* segment is one of several things, such as a group of characters, a
|
| 49 |
|
|
* tag toggle, a mark, or an embedded widget. Each segment starts with
|
| 50 |
|
|
* a standard header followed by a body that varies from type to type.
|
| 51 |
|
|
* -----------------------------------------------------------------------
|
| 52 |
|
|
*/
|
| 53 |
|
|
|
| 54 |
|
|
/*
|
| 55 |
|
|
* The data structure below defines the body of a segment that represents
|
| 56 |
|
|
* a tag toggle. There is one of these structures at both the beginning
|
| 57 |
|
|
* and end of each tagged range.
|
| 58 |
|
|
*/
|
| 59 |
|
|
|
| 60 |
|
|
typedef struct TkTextToggle {
|
| 61 |
|
|
struct TkTextTag *tagPtr; /* Tag that starts or ends here. */
|
| 62 |
|
|
int inNodeCounts; /* 1 means this toggle has been
|
| 63 |
|
|
* accounted for in node toggle
|
| 64 |
|
|
* counts; 0 means it hasn't, yet. */
|
| 65 |
|
|
} TkTextToggle;
|
| 66 |
|
|
|
| 67 |
|
|
/*
|
| 68 |
|
|
* The data structure below defines line segments that represent
|
| 69 |
|
|
* marks. There is one of these for each mark in the text.
|
| 70 |
|
|
*/
|
| 71 |
|
|
|
| 72 |
|
|
typedef struct TkTextMark {
|
| 73 |
|
|
struct TkText *textPtr; /* Overall information about text
|
| 74 |
|
|
* widget. */
|
| 75 |
|
|
TkTextLine *linePtr; /* Line structure that contains the
|
| 76 |
|
|
* segment. */
|
| 77 |
|
|
Tcl_HashEntry *hPtr; /* Pointer to hash table entry for mark
|
| 78 |
|
|
* (in textPtr->markTable). */
|
| 79 |
|
|
} TkTextMark;
|
| 80 |
|
|
|
| 81 |
|
|
/*
|
| 82 |
|
|
* A structure of the following type holds information for each window
|
| 83 |
|
|
* embedded in a text widget. This information is only used by the
|
| 84 |
|
|
* file tkTextWind.c
|
| 85 |
|
|
*/
|
| 86 |
|
|
|
| 87 |
|
|
typedef struct TkTextEmbWindow {
|
| 88 |
|
|
struct TkText *textPtr; /* Information about the overall text
|
| 89 |
|
|
* widget. */
|
| 90 |
|
|
TkTextLine *linePtr; /* Line structure that contains this
|
| 91 |
|
|
* window. */
|
| 92 |
|
|
Tk_Window tkwin; /* Window for this segment. NULL
|
| 93 |
|
|
* means that the window hasn't
|
| 94 |
|
|
* been created yet. */
|
| 95 |
|
|
char *create; /* Script to create window on-demand.
|
| 96 |
|
|
* NULL means no such script.
|
| 97 |
|
|
* Malloc-ed. */
|
| 98 |
|
|
int align; /* How to align window in vertical
|
| 99 |
|
|
* space. See definitions in
|
| 100 |
|
|
* tkTextWind.c. */
|
| 101 |
|
|
int padX, padY; /* Padding to leave around each side
|
| 102 |
|
|
* of window, in pixels. */
|
| 103 |
|
|
int stretch; /* Should window stretch to fill
|
| 104 |
|
|
* vertical space of line (except for
|
| 105 |
|
|
* pady)? 0 or 1. */
|
| 106 |
|
|
int chunkCount; /* Number of display chunks that
|
| 107 |
|
|
* refer to this window. */
|
| 108 |
|
|
int displayed; /* Non-zero means that the window
|
| 109 |
|
|
* has been displayed on the screen
|
| 110 |
|
|
* recently. */
|
| 111 |
|
|
} TkTextEmbWindow;
|
| 112 |
|
|
|
| 113 |
|
|
/*
|
| 114 |
|
|
* A structure of the following type holds information for each image
|
| 115 |
|
|
* embedded in a text widget. This information is only used by the
|
| 116 |
|
|
* file tkTextImage.c
|
| 117 |
|
|
*/
|
| 118 |
|
|
|
| 119 |
|
|
typedef struct TkTextEmbImage {
|
| 120 |
|
|
struct TkText *textPtr; /* Information about the overall text
|
| 121 |
|
|
* widget. */
|
| 122 |
|
|
TkTextLine *linePtr; /* Line structure that contains this
|
| 123 |
|
|
* image. */
|
| 124 |
|
|
char *imageString; /* Name of the image for this segment */
|
| 125 |
|
|
char *imageName; /* Name used by text widget to identify
|
| 126 |
|
|
* this image. May be unique-ified */
|
| 127 |
|
|
char *name; /* Name used in the hash table.
|
| 128 |
|
|
* used by "image names" to identify
|
| 129 |
|
|
* this instance of the image */
|
| 130 |
|
|
Tk_Image image; /* Image for this segment. NULL
|
| 131 |
|
|
* means that the image hasn't
|
| 132 |
|
|
* been created yet. */
|
| 133 |
|
|
int align; /* How to align image in vertical
|
| 134 |
|
|
* space. See definitions in
|
| 135 |
|
|
* tkTextImage.c. */
|
| 136 |
|
|
int padX, padY; /* Padding to leave around each side
|
| 137 |
|
|
* of image, in pixels. */
|
| 138 |
|
|
int chunkCount; /* Number of display chunks that
|
| 139 |
|
|
* refer to this image. */
|
| 140 |
|
|
} TkTextEmbImage;
|
| 141 |
|
|
|
| 142 |
|
|
/*
|
| 143 |
|
|
* The data structure below defines line segments.
|
| 144 |
|
|
*/
|
| 145 |
|
|
|
| 146 |
|
|
typedef struct TkTextSegment {
|
| 147 |
|
|
struct Tk_SegType *typePtr; /* Pointer to record describing
|
| 148 |
|
|
* segment's type. */
|
| 149 |
|
|
struct TkTextSegment *nextPtr; /* Next in list of segments for this
|
| 150 |
|
|
* line, or NULL for end of list. */
|
| 151 |
|
|
int size; /* Size of this segment (# of bytes
|
| 152 |
|
|
* of index space it occupies). */
|
| 153 |
|
|
union {
|
| 154 |
|
|
char chars[4]; /* Characters that make up character
|
| 155 |
|
|
* info. Actual length varies to
|
| 156 |
|
|
* hold as many characters as needed.*/
|
| 157 |
|
|
TkTextToggle toggle; /* Information about tag toggle. */
|
| 158 |
|
|
TkTextMark mark; /* Information about mark. */
|
| 159 |
|
|
TkTextEmbWindow ew; /* Information about embedded
|
| 160 |
|
|
* window. */
|
| 161 |
|
|
TkTextEmbImage ei; /* Information about embedded
|
| 162 |
|
|
* image. */
|
| 163 |
|
|
} body;
|
| 164 |
|
|
} TkTextSegment;
|
| 165 |
|
|
|
| 166 |
|
|
/*
|
| 167 |
|
|
* Data structures of the type defined below are used during the
|
| 168 |
|
|
* execution of Tcl commands to keep track of various interesting
|
| 169 |
|
|
* places in a text. An index is only valid up until the next
|
| 170 |
|
|
* modification to the character structure of the b-tree so they
|
| 171 |
|
|
* can't be retained across Tcl commands. However, mods to marks
|
| 172 |
|
|
* or tags don't invalidate indices.
|
| 173 |
|
|
*/
|
| 174 |
|
|
|
| 175 |
|
|
typedef struct TkTextIndex {
|
| 176 |
|
|
TkTextBTree tree; /* Tree containing desired position. */
|
| 177 |
|
|
TkTextLine *linePtr; /* Pointer to line containing position
|
| 178 |
|
|
* of interest. */
|
| 179 |
|
|
int charIndex; /* Index within line of desired
|
| 180 |
|
|
* character (0 means first one). */
|
| 181 |
|
|
} TkTextIndex;
|
| 182 |
|
|
|
| 183 |
|
|
/*
|
| 184 |
|
|
* Types for procedure pointers stored in TkTextDispChunk strutures:
|
| 185 |
|
|
*/
|
| 186 |
|
|
|
| 187 |
|
|
typedef struct TkTextDispChunk TkTextDispChunk;
|
| 188 |
|
|
|
| 189 |
|
|
typedef void Tk_ChunkDisplayProc _ANSI_ARGS_((
|
| 190 |
|
|
TkTextDispChunk *chunkPtr, int x, int y,
|
| 191 |
|
|
int height, int baseline, Display *display,
|
| 192 |
|
|
Drawable dst, int screenY));
|
| 193 |
|
|
typedef void Tk_ChunkUndisplayProc _ANSI_ARGS_((
|
| 194 |
|
|
struct TkText *textPtr,
|
| 195 |
|
|
TkTextDispChunk *chunkPtr));
|
| 196 |
|
|
typedef int Tk_ChunkMeasureProc _ANSI_ARGS_((
|
| 197 |
|
|
TkTextDispChunk *chunkPtr, int x));
|
| 198 |
|
|
typedef void Tk_ChunkBboxProc _ANSI_ARGS_((
|
| 199 |
|
|
TkTextDispChunk *chunkPtr, int index, int y,
|
| 200 |
|
|
int lineHeight, int baseline, int *xPtr,
|
| 201 |
|
|
int *yPtr, int *widthPtr, int *heightPtr));
|
| 202 |
|
|
|
| 203 |
|
|
/*
|
| 204 |
|
|
* The structure below represents a chunk of stuff that is displayed
|
| 205 |
|
|
* together on the screen. This structure is allocated and freed by
|
| 206 |
|
|
* generic display code but most of its fields are filled in by
|
| 207 |
|
|
* segment-type-specific code.
|
| 208 |
|
|
*/
|
| 209 |
|
|
|
| 210 |
|
|
struct TkTextDispChunk {
|
| 211 |
|
|
/*
|
| 212 |
|
|
* The fields below are set by the type-independent code before
|
| 213 |
|
|
* calling the segment-type-specific layoutProc. They should not
|
| 214 |
|
|
* be modified by segment-type-specific code.
|
| 215 |
|
|
*/
|
| 216 |
|
|
|
| 217 |
|
|
int x; /* X position of chunk, in pixels.
|
| 218 |
|
|
* This position is measured from the
|
| 219 |
|
|
* left edge of the logical line,
|
| 220 |
|
|
* not from the left edge of the
|
| 221 |
|
|
* window (i.e. it doesn't change
|
| 222 |
|
|
* under horizontal scrolling). */
|
| 223 |
|
|
struct TkTextDispChunk *nextPtr; /* Next chunk in the display line
|
| 224 |
|
|
* or NULL for the end of the list. */
|
| 225 |
|
|
struct TextStyle *stylePtr; /* Display information, known only
|
| 226 |
|
|
* to tkTextDisp.c. */
|
| 227 |
|
|
|
| 228 |
|
|
/*
|
| 229 |
|
|
* The fields below are set by the layoutProc that creates the
|
| 230 |
|
|
* chunk.
|
| 231 |
|
|
*/
|
| 232 |
|
|
|
| 233 |
|
|
Tk_ChunkDisplayProc *displayProc; /* Procedure to invoke to draw this
|
| 234 |
|
|
* chunk on the display or an
|
| 235 |
|
|
* off-screen pixmap. */
|
| 236 |
|
|
Tk_ChunkUndisplayProc *undisplayProc;
|
| 237 |
|
|
/* Procedure to invoke when segment
|
| 238 |
|
|
* ceases to be displayed on screen
|
| 239 |
|
|
* anymore. */
|
| 240 |
|
|
Tk_ChunkMeasureProc *measureProc; /* Procedure to find character under
|
| 241 |
|
|
* a given x-location. */
|
| 242 |
|
|
Tk_ChunkBboxProc *bboxProc; /* Procedure to find bounding box
|
| 243 |
|
|
* of character in chunk. */
|
| 244 |
|
|
int numChars; /* Number of characters that will be
|
| 245 |
|
|
* displayed in the chunk. */
|
| 246 |
|
|
int minAscent; /* Minimum space above the baseline
|
| 247 |
|
|
* needed by this chunk. */
|
| 248 |
|
|
int minDescent; /* Minimum space below the baseline
|
| 249 |
|
|
* needed by this chunk. */
|
| 250 |
|
|
int minHeight; /* Minimum total line height needed
|
| 251 |
|
|
* by this chunk. */
|
| 252 |
|
|
int width; /* Width of this chunk, in pixels.
|
| 253 |
|
|
* Initially set by chunk-specific
|
| 254 |
|
|
* code, but may be increased to
|
| 255 |
|
|
* include tab or extra space at end
|
| 256 |
|
|
* of line. */
|
| 257 |
|
|
int breakIndex; /* Index within chunk of last
|
| 258 |
|
|
* acceptable position for a line
|
| 259 |
|
|
* (break just before this character).
|
| 260 |
|
|
* <= 0 means don't break during or
|
| 261 |
|
|
* immediately after this chunk. */
|
| 262 |
|
|
ClientData clientData; /* Additional information for use
|
| 263 |
|
|
* of displayProc and undisplayProc. */
|
| 264 |
|
|
};
|
| 265 |
|
|
|
| 266 |
|
|
/*
|
| 267 |
|
|
* One data structure of the following type is used for each tag in a
|
| 268 |
|
|
* text widget. These structures are kept in textPtr->tagTable and
|
| 269 |
|
|
* referred to in other structures.
|
| 270 |
|
|
*/
|
| 271 |
|
|
|
| 272 |
|
|
typedef struct TkTextTag {
|
| 273 |
|
|
char *name; /* Name of this tag. This field is actually
|
| 274 |
|
|
* a pointer to the key from the entry in
|
| 275 |
|
|
* textPtr->tagTable, so it needn't be freed
|
| 276 |
|
|
* explicitly. */
|
| 277 |
|
|
int priority; /* Priority of this tag within widget. 0
|
| 278 |
|
|
* means lowest priority. Exactly one tag
|
| 279 |
|
|
* has each integer value between 0 and
|
| 280 |
|
|
* numTags-1. */
|
| 281 |
|
|
struct Node *tagRootPtr; /* Pointer into the B-Tree at the lowest
|
| 282 |
|
|
* node that completely dominates the ranges
|
| 283 |
|
|
* of text occupied by the tag. At this
|
| 284 |
|
|
* node there is no information about the
|
| 285 |
|
|
* tag. One or more children of the node
|
| 286 |
|
|
* do contain information about the tag. */
|
| 287 |
|
|
int toggleCount; /* Total number of tag toggles */
|
| 288 |
|
|
|
| 289 |
|
|
/*
|
| 290 |
|
|
* Information for displaying text with this tag. The information
|
| 291 |
|
|
* belows acts as an override on information specified by lower-priority
|
| 292 |
|
|
* tags. If no value is specified, then the next-lower-priority tag
|
| 293 |
|
|
* on the text determins the value. The text widget itself provides
|
| 294 |
|
|
* defaults if no tag specifies an override.
|
| 295 |
|
|
*/
|
| 296 |
|
|
|
| 297 |
|
|
Tk_3DBorder border; /* Used for drawing background. NULL means
|
| 298 |
|
|
* no value specified here. */
|
| 299 |
|
|
char *bdString; /* -borderwidth option string (malloc-ed).
|
| 300 |
|
|
* NULL means option not specified. */
|
| 301 |
|
|
int borderWidth; /* Width of 3-D border for background. */
|
| 302 |
|
|
char *reliefString; /* -relief option string (malloc-ed).
|
| 303 |
|
|
* NULL means option not specified. */
|
| 304 |
|
|
int relief; /* 3-D relief for background. */
|
| 305 |
|
|
Pixmap bgStipple; /* Stipple bitmap for background. None
|
| 306 |
|
|
* means no value specified here. */
|
| 307 |
|
|
XColor *fgColor; /* Foreground color for text. NULL means
|
| 308 |
|
|
* no value specified here. */
|
| 309 |
|
|
Tk_Font tkfont; /* Font for displaying text. NULL means
|
| 310 |
|
|
* no value specified here. */
|
| 311 |
|
|
Pixmap fgStipple; /* Stipple bitmap for text and other
|
| 312 |
|
|
* foreground stuff. None means no value
|
| 313 |
|
|
* specified here.*/
|
| 314 |
|
|
char *justifyString; /* -justify option string (malloc-ed).
|
| 315 |
|
|
* NULL means option not specified. */
|
| 316 |
|
|
Tk_Justify justify; /* How to justify text: TK_JUSTIFY_LEFT,
|
| 317 |
|
|
* TK_JUSTIFY_RIGHT, or TK_JUSTIFY_CENTER.
|
| 318 |
|
|
* Only valid if justifyString is non-NULL. */
|
| 319 |
|
|
char *lMargin1String; /* -lmargin1 option string (malloc-ed).
|
| 320 |
|
|
* NULL means option not specified. */
|
| 321 |
|
|
int lMargin1; /* Left margin for first display line of
|
| 322 |
|
|
* each text line, in pixels. Only valid
|
| 323 |
|
|
* if lMargin1String is non-NULL. */
|
| 324 |
|
|
char *lMargin2String; /* -lmargin2 option string (malloc-ed).
|
| 325 |
|
|
* NULL means option not specified. */
|
| 326 |
|
|
int lMargin2; /* Left margin for second and later display
|
| 327 |
|
|
* lines of each text line, in pixels. Only
|
| 328 |
|
|
* valid if lMargin2String is non-NULL. */
|
| 329 |
|
|
char *offsetString; /* -offset option string (malloc-ed).
|
| 330 |
|
|
* NULL means option not specified. */
|
| 331 |
|
|
int offset; /* Vertical offset of text's baseline from
|
| 332 |
|
|
* baseline of line. Used for superscripts
|
| 333 |
|
|
* and subscripts. Only valid if
|
| 334 |
|
|
* offsetString is non-NULL. */
|
| 335 |
|
|
char *overstrikeString; /* -overstrike option string (malloc-ed).
|
| 336 |
|
|
* NULL means option not specified. */
|
| 337 |
|
|
int overstrike; /* Non-zero means draw horizontal line through
|
| 338 |
|
|
* middle of text. Only valid if
|
| 339 |
|
|
* overstrikeString is non-NULL. */
|
| 340 |
|
|
char *rMarginString; /* -rmargin option string (malloc-ed).
|
| 341 |
|
|
* NULL means option not specified. */
|
| 342 |
|
|
int rMargin; /* Right margin for text, in pixels. Only
|
| 343 |
|
|
* valid if rMarginString is non-NULL. */
|
| 344 |
|
|
char *spacing1String; /* -spacing1 option string (malloc-ed).
|
| 345 |
|
|
* NULL means option not specified. */
|
| 346 |
|
|
int spacing1; /* Extra spacing above first display
|
| 347 |
|
|
* line for text line. Only valid if
|
| 348 |
|
|
* spacing1String is non-NULL. */
|
| 349 |
|
|
char *spacing2String; /* -spacing2 option string (malloc-ed).
|
| 350 |
|
|
* NULL means option not specified. */
|
| 351 |
|
|
int spacing2; /* Extra spacing between display
|
| 352 |
|
|
* lines for the same text line. Only valid
|
| 353 |
|
|
* if spacing2String is non-NULL. */
|
| 354 |
|
|
char *spacing3String; /* -spacing2 option string (malloc-ed).
|
| 355 |
|
|
* NULL means option not specified. */
|
| 356 |
|
|
int spacing3; /* Extra spacing below last display
|
| 357 |
|
|
* line for text line. Only valid if
|
| 358 |
|
|
* spacing3String is non-NULL. */
|
| 359 |
|
|
char *tabString; /* -tabs option string (malloc-ed).
|
| 360 |
|
|
* NULL means option not specified. */
|
| 361 |
|
|
struct TkTextTabArray *tabArrayPtr;
|
| 362 |
|
|
/* Info about tabs for tag (malloc-ed)
|
| 363 |
|
|
* or NULL. Corresponds to tabString. */
|
| 364 |
|
|
char *underlineString; /* -underline option string (malloc-ed).
|
| 365 |
|
|
* NULL means option not specified. */
|
| 366 |
|
|
int underline; /* Non-zero means draw underline underneath
|
| 367 |
|
|
* text. Only valid if underlineString is
|
| 368 |
|
|
* non-NULL. */
|
| 369 |
|
|
Tk_Uid wrapMode; /* How to handle wrap-around for this tag.
|
| 370 |
|
|
* Must be tkTextCharUid, tkTextNoneUid,
|
| 371 |
|
|
* tkTextWordUid, or NULL to use wrapMode
|
| 372 |
|
|
* for whole widget. */
|
| 373 |
|
|
int affectsDisplay; /* Non-zero means that this tag affects the
|
| 374 |
|
|
* way information is displayed on the screen
|
| 375 |
|
|
* (so need to redisplay if tag changes). */
|
| 376 |
|
|
} TkTextTag;
|
| 377 |
|
|
|
| 378 |
|
|
#define TK_TAG_AFFECTS_DISPLAY 0x1
|
| 379 |
|
|
#define TK_TAG_UNDERLINE 0x2
|
| 380 |
|
|
#define TK_TAG_JUSTIFY 0x4
|
| 381 |
|
|
#define TK_TAG_OFFSET 0x10
|
| 382 |
|
|
|
| 383 |
|
|
/*
|
| 384 |
|
|
* The data structure below is used for searching a B-tree for transitions
|
| 385 |
|
|
* on a single tag (or for all tag transitions). No code outside of
|
| 386 |
|
|
* tkTextBTree.c should ever modify any of the fields in these structures,
|
| 387 |
|
|
* but it's OK to use them for read-only information.
|
| 388 |
|
|
*/
|
| 389 |
|
|
|
| 390 |
|
|
typedef struct TkTextSearch {
|
| 391 |
|
|
TkTextIndex curIndex; /* Position of last tag transition
|
| 392 |
|
|
* returned by TkBTreeNextTag, or
|
| 393 |
|
|
* index of start of segment
|
| 394 |
|
|
* containing starting position for
|
| 395 |
|
|
* search if TkBTreeNextTag hasn't
|
| 396 |
|
|
* been called yet, or same as
|
| 397 |
|
|
* stopIndex if search is over. */
|
| 398 |
|
|
TkTextSegment *segPtr; /* Actual tag segment returned by last
|
| 399 |
|
|
* call to TkBTreeNextTag, or NULL if
|
| 400 |
|
|
* TkBTreeNextTag hasn't returned
|
| 401 |
|
|
* anything yet. */
|
| 402 |
|
|
TkTextSegment *nextPtr; /* Where to resume search in next
|
| 403 |
|
|
* call to TkBTreeNextTag. */
|
| 404 |
|
|
TkTextSegment *lastPtr; /* Stop search before just before
|
| 405 |
|
|
* considering this segment. */
|
| 406 |
|
|
TkTextTag *tagPtr; /* Tag to search for (or tag found, if
|
| 407 |
|
|
* allTags is non-zero). */
|
| 408 |
|
|
int linesLeft; /* Lines left to search (including
|
| 409 |
|
|
* curIndex and stopIndex). When
|
| 410 |
|
|
* this becomes <= 0 the search is
|
| 411 |
|
|
* over. */
|
| 412 |
|
|
int allTags; /* Non-zero means ignore tag check:
|
| 413 |
|
|
* search for transitions on all
|
| 414 |
|
|
* tags. */
|
| 415 |
|
|
} TkTextSearch;
|
| 416 |
|
|
|
| 417 |
|
|
/*
|
| 418 |
|
|
* The following data structure describes a single tab stop.
|
| 419 |
|
|
*/
|
| 420 |
|
|
|
| 421 |
|
|
typedef enum {LEFT, RIGHT, CENTER, NUMERIC} TkTextTabAlign;
|
| 422 |
|
|
|
| 423 |
|
|
typedef struct TkTextTab {
|
| 424 |
|
|
int location; /* Offset in pixels of this tab stop
|
| 425 |
|
|
* from the left margin (lmargin2) of
|
| 426 |
|
|
* the text. */
|
| 427 |
|
|
TkTextTabAlign alignment; /* Where the tab stop appears relative
|
| 428 |
|
|
* to the text. */
|
| 429 |
|
|
} TkTextTab;
|
| 430 |
|
|
|
| 431 |
|
|
typedef struct TkTextTabArray {
|
| 432 |
|
|
int numTabs; /* Number of tab stops. */
|
| 433 |
|
|
TkTextTab tabs[1]; /* Array of tabs. The actual size
|
| 434 |
|
|
* will be numTabs. THIS FIELD MUST
|
| 435 |
|
|
* BE THE LAST IN THE STRUCTURE. */
|
| 436 |
|
|
} TkTextTabArray;
|
| 437 |
|
|
|
| 438 |
|
|
/*
|
| 439 |
|
|
* A data structure of the following type is kept for each text widget that
|
| 440 |
|
|
* currently exists for this process:
|
| 441 |
|
|
*/
|
| 442 |
|
|
|
| 443 |
|
|
typedef struct TkText {
|
| 444 |
|
|
Tk_Window tkwin; /* Window that embodies the text. NULL
|
| 445 |
|
|
* means that the window has been destroyed
|
| 446 |
|
|
* but the data structures haven't yet been
|
| 447 |
|
|
* cleaned up.*/
|
| 448 |
|
|
Display *display; /* Display for widget. Needed, among other
|
| 449 |
|
|
* things, to allow resources to be freed
|
| 450 |
|
|
* even after tkwin has gone away. */
|
| 451 |
|
|
Tcl_Interp *interp; /* Interpreter associated with widget. Used
|
| 452 |
|
|
* to delete widget command. */
|
| 453 |
|
|
Tcl_Command widgetCmd; /* Token for text's widget command. */
|
| 454 |
|
|
TkTextBTree tree; /* B-tree representation of text and tags for
|
| 455 |
|
|
* widget. */
|
| 456 |
|
|
Tcl_HashTable tagTable; /* Hash table that maps from tag names to
|
| 457 |
|
|
* pointers to TkTextTag structures. */
|
| 458 |
|
|
int numTags; /* Number of tags currently defined for
|
| 459 |
|
|
* widget; needed to keep track of
|
| 460 |
|
|
* priorities. */
|
| 461 |
|
|
Tcl_HashTable markTable; /* Hash table that maps from mark names to
|
| 462 |
|
|
* pointers to mark segments. */
|
| 463 |
|
|
Tcl_HashTable windowTable; /* Hash table that maps from window names
|
| 464 |
|
|
* to pointers to window segments. If a
|
| 465 |
|
|
* window segment doesn't yet have an
|
| 466 |
|
|
* associated window, there is no entry for
|
| 467 |
|
|
* it here. */
|
| 468 |
|
|
Tcl_HashTable imageTable; /* Hash table that maps from image names
|
| 469 |
|
|
* to pointers to image segments. If an
|
| 470 |
|
|
* image segment doesn't yet have an
|
| 471 |
|
|
* associated image, there is no entry for
|
| 472 |
|
|
* it here. */
|
| 473 |
|
|
Tk_Uid state; /* Normal or disabled. Text is read-only
|
| 474 |
|
|
* when disabled. */
|
| 475 |
|
|
|
| 476 |
|
|
/*
|
| 477 |
|
|
* Default information for displaying (may be overridden by tags
|
| 478 |
|
|
* applied to ranges of characters).
|
| 479 |
|
|
*/
|
| 480 |
|
|
|
| 481 |
|
|
Tk_3DBorder border; /* Structure used to draw 3-D border and
|
| 482 |
|
|
* default background. */
|
| 483 |
|
|
int borderWidth; /* Width of 3-D border to draw around entire
|
| 484 |
|
|
* widget. */
|
| 485 |
|
|
int padX, padY; /* Padding between text and window border. */
|
| 486 |
|
|
int relief; /* 3-d effect for border around entire
|
| 487 |
|
|
* widget: TK_RELIEF_RAISED etc. */
|
| 488 |
|
|
int highlightWidth; /* Width in pixels of highlight to draw
|
| 489 |
|
|
* around widget when it has the focus.
|
| 490 |
|
|
* <= 0 means don't draw a highlight. */
|
| 491 |
|
|
XColor *highlightBgColorPtr;
|
| 492 |
|
|
/* Color for drawing traversal highlight
|
| 493 |
|
|
* area when highlight is off. */
|
| 494 |
|
|
XColor *highlightColorPtr; /* Color for drawing traversal highlight. */
|
| 495 |
|
|
Tk_Cursor cursor; /* Current cursor for window, or None. */
|
| 496 |
|
|
XColor *fgColor; /* Default foreground color for text. */
|
| 497 |
|
|
Tk_Font tkfont; /* Default font for displaying text. */
|
| 498 |
|
|
int charWidth; /* Width of average character in default
|
| 499 |
|
|
* font. */
|
| 500 |
|
|
int spacing1; /* Default extra spacing above first display
|
| 501 |
|
|
* line for each text line. */
|
| 502 |
|
|
int spacing2; /* Default extra spacing between display lines
|
| 503 |
|
|
* for the same text line. */
|
| 504 |
|
|
int spacing3; /* Default extra spacing below last display
|
| 505 |
|
|
* line for each text line. */
|
| 506 |
|
|
char *tabOptionString; /* Value of -tabs option string (malloc'ed). */
|
| 507 |
|
|
TkTextTabArray *tabArrayPtr;
|
| 508 |
|
|
/* Information about tab stops (malloc'ed).
|
| 509 |
|
|
* NULL means perform default tabbing
|
| 510 |
|
|
* behavior. */
|
| 511 |
|
|
|
| 512 |
|
|
int tabsize; /* "-tabs" reconize only fixed placed tabs, but
|
| 513 |
|
|
* we need to have the behavior of a normal plain
|
| 514 |
|
|
* text editor (default is 8)
|
| 515 |
|
|
*/
|
| 516 |
|
|
|
| 517 |
|
|
/*
|
| 518 |
|
|
* Additional information used for displaying:
|
| 519 |
|
|
*/
|
| 520 |
|
|
|
| 521 |
|
|
Tk_Uid wrapMode; /* How to handle wrap-around. Must be
|
| 522 |
|
|
* tkTextCharUid, tkTextNoneUid, or
|
| 523 |
|
|
* tkTextWordUid. */
|
| 524 |
|
|
int width, height; /* Desired dimensions for window, measured
|
| 525 |
|
|
* in characters. */
|
| 526 |
|
|
int setGrid; /* Non-zero means pass gridding information
|
| 527 |
|
|
* to window manager. */
|
| 528 |
|
|
int prevWidth, prevHeight; /* Last known dimensions of window; used to
|
| 529 |
|
|
* detect changes in size. */
|
| 530 |
|
|
TkTextIndex topIndex; /* Identifies first character in top display
|
| 531 |
|
|
* line of window. */
|
| 532 |
|
|
struct TextDInfo *dInfoPtr; /* Information maintained by tkTextDisp.c. */
|
| 533 |
|
|
|
| 534 |
|
|
/*
|
| 535 |
|
|
* Information related to selection.
|
| 536 |
|
|
*/
|
| 537 |
|
|
|
| 538 |
|
|
TkTextTag *selTagPtr; /* Pointer to "sel" tag. Used to tell when
|
| 539 |
|
|
* a new selection has been made. */
|
| 540 |
|
|
Tk_3DBorder selBorder; /* Border and background for selected
|
| 541 |
|
|
* characters. This is a copy of information
|
| 542 |
|
|
* in *cursorTagPtr, so it shouldn't be
|
| 543 |
|
|
* explicitly freed. */
|
| 544 |
|
|
char *selBdString; /* Value of -selectborderwidth option, or NULL
|
| 545 |
|
|
* if not specified (malloc'ed). */
|
| 546 |
|
|
XColor *selFgColorPtr; /* Foreground color for selected text.
|
| 547 |
|
|
* This is a copy of information in
|
| 548 |
|
|
* *cursorTagPtr, so it shouldn't be
|
| 549 |
|
|
* explicitly freed. */
|
| 550 |
|
|
int exportSelection; /* Non-zero means tie "sel" tag to X
|
| 551 |
|
|
* selection. */
|
| 552 |
|
|
TkTextIndex selIndex; /* Used during multi-pass selection retrievals.
|
| 553 |
|
|
* This index identifies the next character
|
| 554 |
|
|
* to be returned from the selection. */
|
| 555 |
|
|
int abortSelections; /* Set to 1 whenever the text is modified
|
| 556 |
|
|
* in a way that interferes with selection
|
| 557 |
|
|
* retrieval: used to abort incremental
|
| 558 |
|
|
* selection retrievals. */
|
| 559 |
|
|
int selOffset; /* Offset in selection corresponding to
|
| 560 |
|
|
* selLine and selCh. -1 means neither
|
| 561 |
|
|
* this information nor selIndex is of any
|
| 562 |
|
|
* use. */
|
| 563 |
|
|
|
| 564 |
|
|
/*
|
| 565 |
|
|
* Information related to insertion cursor:
|
| 566 |
|
|
*/
|
| 567 |
|
|
|
| 568 |
|
|
TkTextSegment *insertMarkPtr;
|
| 569 |
|
|
/* Points to segment for "insert" mark. */
|
| 570 |
|
|
Tk_3DBorder insertBorder; /* Used to draw vertical bar for insertion
|
| 571 |
|
|
* cursor. */
|
| 572 |
|
|
int insertWidth; /* Total width of insert cursor. */
|
| 573 |
|
|
int insertBorderWidth; /* Width of 3-D border around insert cursor. */
|
| 574 |
|
|
int insertOnTime; /* Number of milliseconds cursor should spend
|
| 575 |
|
|
* in "on" state for each blink. */
|
| 576 |
|
|
int insertOffTime; /* Number of milliseconds cursor should spend
|
| 577 |
|
|
* in "off" state for each blink. */
|
| 578 |
|
|
Tcl_TimerToken insertBlinkHandler;
|
| 579 |
|
|
/* Timer handler used to blink cursor on and
|
| 580 |
|
|
* off. */
|
| 581 |
|
|
|
| 582 |
|
|
/*
|
| 583 |
|
|
* Information used for event bindings associated with tags:
|
| 584 |
|
|
*/
|
| 585 |
|
|
|
| 586 |
|
|
Tk_BindingTable bindingTable;
|
| 587 |
|
|
/* Table of all bindings currently defined
|
| 588 |
|
|
* for this widget. NULL means that no
|
| 589 |
|
|
* bindings exist, so the table hasn't been
|
| 590 |
|
|
* created. Each "object" used for this
|
| 591 |
|
|
* table is the address of a tag. */
|
| 592 |
|
|
TkTextSegment *currentMarkPtr;
|
| 593 |
|
|
/* Pointer to segment for "current" mark,
|
| 594 |
|
|
* or NULL if none. */
|
| 595 |
|
|
XEvent pickEvent; /* The event from which the current character
|
| 596 |
|
|
* was chosen. Must be saved so that we
|
| 597 |
|
|
* can repick after modifications to the
|
| 598 |
|
|
* text. */
|
| 599 |
|
|
int numCurTags; /* Number of tags associated with character
|
| 600 |
|
|
* at current mark. */
|
| 601 |
|
|
TkTextTag **curTagArrayPtr; /* Pointer to array of tags for current
|
| 602 |
|
|
* mark, or NULL if none. */
|
| 603 |
|
|
|
| 604 |
|
|
/*
|
| 605 |
|
|
* Miscellaneous additional information:
|
| 606 |
|
|
*/
|
| 607 |
|
|
|
| 608 |
|
|
char *takeFocus; /* Value of -takeFocus option; not used in
|
| 609 |
|
|
* the C code, but used by keyboard traversal
|
| 610 |
|
|
* scripts. Malloc'ed, but may be NULL. */
|
| 611 |
|
|
char *xScrollCmd; /* Prefix of command to issue to update
|
| 612 |
|
|
* horizontal scrollbar when view changes. */
|
| 613 |
|
|
char *yScrollCmd; /* Prefix of command to issue to update
|
| 614 |
|
|
* vertical scrollbar when view changes. */
|
| 615 |
|
|
/* KHAMIS */
|
| 616 |
|
|
char *SyncCmd; /* Used to synchronize more than editor with the
|
| 617 |
|
|
* same file*/
|
| 618 |
|
|
|
| 619 |
|
|
int flags; /* Miscellaneous flags; see below for
|
| 620 |
|
|
* definitions. */
|
| 621 |
|
|
} TkText;
|
| 622 |
|
|
|
| 623 |
|
|
/*
|
| 624 |
|
|
* Flag values for TkText records:
|
| 625 |
|
|
*
|
| 626 |
|
|
* GOT_SELECTION: Non-zero means we've already claimed the
|
| 627 |
|
|
* selection.
|
| 628 |
|
|
* INSERT_ON: Non-zero means insertion cursor should be
|
| 629 |
|
|
* displayed on screen.
|
| 630 |
|
|
* GOT_FOCUS: Non-zero means this window has the input
|
| 631 |
|
|
* focus.
|
| 632 |
|
|
* BUTTON_DOWN: 1 means that a mouse button is currently
|
| 633 |
|
|
* down; this is used to implement grabs
|
| 634 |
|
|
* for the duration of button presses.
|
| 635 |
|
|
* UPDATE_SCROLLBARS: Non-zero means scrollbar(s) should be updated
|
| 636 |
|
|
* during next redisplay operation.
|
| 637 |
|
|
*/
|
| 638 |
|
|
|
| 639 |
|
|
#define GOT_SELECTION 1
|
| 640 |
|
|
#define INSERT_ON 2
|
| 641 |
|
|
#define GOT_FOCUS 4
|
| 642 |
|
|
#define BUTTON_DOWN 8
|
| 643 |
|
|
#define UPDATE_SCROLLBARS 0x10
|
| 644 |
|
|
#define NEED_REPICK 0x20
|
| 645 |
|
|
|
| 646 |
|
|
/*
|
| 647 |
|
|
* Records of the following type define segment types in terms of
|
| 648 |
|
|
* a collection of procedures that may be called to manipulate
|
| 649 |
|
|
* segments of that type.
|
| 650 |
|
|
*/
|
| 651 |
|
|
|
| 652 |
|
|
typedef TkTextSegment * Tk_SegSplitProc _ANSI_ARGS_((
|
| 653 |
|
|
struct TkTextSegment *segPtr, int index));
|
| 654 |
|
|
typedef int Tk_SegDeleteProc _ANSI_ARGS_((
|
| 655 |
|
|
struct TkTextSegment *segPtr,
|
| 656 |
|
|
TkTextLine *linePtr, int treeGone));
|
| 657 |
|
|
typedef TkTextSegment * Tk_SegCleanupProc _ANSI_ARGS_((
|
| 658 |
|
|
struct TkTextSegment *segPtr, TkTextLine *linePtr));
|
| 659 |
|
|
typedef void Tk_SegLineChangeProc _ANSI_ARGS_((
|
| 660 |
|
|
struct TkTextSegment *segPtr, TkTextLine *linePtr));
|
| 661 |
|
|
typedef int Tk_SegLayoutProc _ANSI_ARGS_((struct TkText *textPtr,
|
| 662 |
|
|
struct TkTextIndex *indexPtr, TkTextSegment *segPtr,
|
| 663 |
|
|
int offset, int maxX, int maxChars,
|
| 664 |
|
|
int noCharsYet, Tk_Uid wrapMode,
|
| 665 |
|
|
struct TkTextDispChunk *chunkPtr));
|
| 666 |
|
|
typedef void Tk_SegCheckProc _ANSI_ARGS_((TkTextSegment *segPtr,
|
| 667 |
|
|
TkTextLine *linePtr));
|
| 668 |
|
|
|
| 669 |
|
|
typedef struct Tk_SegType {
|
| 670 |
|
|
char *name; /* Name of this kind of segment. */
|
| 671 |
|
|
int leftGravity; /* If a segment has zero size (e.g. a
|
| 672 |
|
|
* mark or tag toggle), does it
|
| 673 |
|
|
* attach to character to its left
|
| 674 |
|
|
* or right? 1 means left, 0 means
|
| 675 |
|
|
* right. */
|
| 676 |
|
|
Tk_SegSplitProc *splitProc; /* Procedure to split large segment
|
| 677 |
|
|
* into two smaller ones. */
|
| 678 |
|
|
Tk_SegDeleteProc *deleteProc; /* Procedure to call to delete
|
| 679 |
|
|
* segment. */
|
| 680 |
|
|
Tk_SegCleanupProc *cleanupProc; /* After any change to a line, this
|
| 681 |
|
|
* procedure is invoked for all
|
| 682 |
|
|
* segments left in the line to
|
| 683 |
|
|
* perform any cleanup they wish
|
| 684 |
|
|
* (e.g. joining neighboring
|
| 685 |
|
|
* segments). */
|
| 686 |
|
|
Tk_SegLineChangeProc *lineChangeProc;
|
| 687 |
|
|
/* Invoked when a segment is about
|
| 688 |
|
|
* to be moved from its current line
|
| 689 |
|
|
* to an earlier line because of
|
| 690 |
|
|
* a deletion. The linePtr is that
|
| 691 |
|
|
* for the segment's old line.
|
| 692 |
|
|
* CleanupProc will be invoked after
|
| 693 |
|
|
* the deletion is finished. */
|
| 694 |
|
|
Tk_SegLayoutProc *layoutProc; /* Returns size information when
|
| 695 |
|
|
* figuring out what to display in
|
| 696 |
|
|
* window. */
|
| 697 |
|
|
Tk_SegCheckProc *checkProc; /* Called during consistency checks
|
| 698 |
|
|
* to check internal consistency of
|
| 699 |
|
|
* segment. */
|
| 700 |
|
|
} Tk_SegType;
|
| 701 |
|
|
|
| 702 |
|
|
/*
|
| 703 |
|
|
* The constant below is used to specify a line when what is really
|
| 704 |
|
|
* wanted is the entire text. For now, just use a very big number.
|
| 705 |
|
|
*/
|
| 706 |
|
|
|
| 707 |
|
|
#define TK_END_OF_TEXT 1000000
|
| 708 |
|
|
|
| 709 |
|
|
/*
|
| 710 |
|
|
* The following definition specifies the maximum number of characters
|
| 711 |
|
|
* needed in a string to hold a position specifier.
|
| 712 |
|
|
*/
|
| 713 |
|
|
|
| 714 |
|
|
#define TK_POS_CHARS 30
|
| 715 |
|
|
|
| 716 |
|
|
/*
|
| 717 |
|
|
* Declarations for variables shared among the text-related files:
|
| 718 |
|
|
*/
|
| 719 |
|
|
|
| 720 |
|
|
extern int tkBTreeDebug;
|
| 721 |
|
|
extern int tkTextDebug;
|
| 722 |
|
|
extern Tk_SegType tkTextCharType;
|
| 723 |
|
|
extern Tk_Uid tkTextCharUid;
|
| 724 |
|
|
extern Tk_Uid tkTextDisabledUid;
|
| 725 |
|
|
extern Tk_SegType tkTextLeftMarkType;
|
| 726 |
|
|
extern Tk_Uid tkTextNoneUid;
|
| 727 |
|
|
extern Tk_Uid tkTextNormalUid;
|
| 728 |
|
|
extern Tk_SegType tkTextRightMarkType;
|
| 729 |
|
|
extern Tk_SegType tkTextToggleOnType;
|
| 730 |
|
|
extern Tk_SegType tkTextToggleOffType;
|
| 731 |
|
|
extern Tk_Uid tkTextWordUid;
|
| 732 |
|
|
|
| 733 |
|
|
/*
|
| 734 |
|
|
* Declarations for procedures that are used by the text-related files
|
| 735 |
|
|
* but shouldn't be used anywhere else in Tk (or by Tk clients):
|
| 736 |
|
|
*/
|
| 737 |
|
|
|
| 738 |
|
|
extern int TkBTreeCharTagged _ANSI_ARGS_((TkTextIndex *indexPtr,
|
| 739 |
|
|
TkTextTag *tagPtr));
|
| 740 |
|
|
extern void TkBTreeCheck _ANSI_ARGS_((TkTextBTree tree));
|
| 741 |
|
|
extern int TkBTreeCharsInLine _ANSI_ARGS_((TkTextLine *linePtr));
|
| 742 |
|
|
extern TkTextBTree TkBTreeCreate _ANSI_ARGS_((TkText *textPtr));
|
| 743 |
|
|
extern void TkBTreeDestroy _ANSI_ARGS_((TkTextBTree tree));
|
| 744 |
|
|
extern void TkBTreeDeleteChars _ANSI_ARGS_((TkTextIndex *index1Ptr,
|
| 745 |
|
|
TkTextIndex *index2Ptr));
|
| 746 |
|
|
extern TkTextLine * TkBTreeFindLine _ANSI_ARGS_((TkTextBTree tree,
|
| 747 |
|
|
int line));
|
| 748 |
|
|
extern TkTextTag ** TkBTreeGetTags _ANSI_ARGS_((TkTextIndex *indexPtr,
|
| 749 |
|
|
int *numTagsPtr));
|
| 750 |
|
|
extern void TkBTreeInsertChars _ANSI_ARGS_((TkTextIndex *indexPtr,
|
| 751 |
|
|
char *string));
|
| 752 |
|
|
extern int TkBTreeLineIndex _ANSI_ARGS_((TkTextLine *linePtr));
|
| 753 |
|
|
extern void TkBTreeLinkSegment _ANSI_ARGS_((TkTextSegment *segPtr,
|
| 754 |
|
|
TkTextIndex *indexPtr));
|
| 755 |
|
|
extern TkTextLine * TkBTreeNextLine _ANSI_ARGS_((TkTextLine *linePtr));
|
| 756 |
|
|
extern int TkBTreeNextTag _ANSI_ARGS_((TkTextSearch *searchPtr));
|
| 757 |
|
|
extern int TkBTreeNumLines _ANSI_ARGS_((TkTextBTree tree));
|
| 758 |
|
|
extern TkTextLine * TkBTreePreviousLine _ANSI_ARGS_((TkTextLine *linePtr));
|
| 759 |
|
|
extern int TkBTreePrevTag _ANSI_ARGS_((TkTextSearch *searchPtr));
|
| 760 |
|
|
extern void TkBTreeStartSearch _ANSI_ARGS_((TkTextIndex *index1Ptr,
|
| 761 |
|
|
TkTextIndex *index2Ptr, TkTextTag *tagPtr,
|
| 762 |
|
|
TkTextSearch *searchPtr));
|
| 763 |
|
|
extern void TkBTreeStartSearchBack _ANSI_ARGS_((TkTextIndex *index1Ptr,
|
| 764 |
|
|
TkTextIndex *index2Ptr, TkTextTag *tagPtr,
|
| 765 |
|
|
TkTextSearch *searchPtr));
|
| 766 |
|
|
extern void TkBTreeTag _ANSI_ARGS_((TkTextIndex *index1Ptr,
|
| 767 |
|
|
TkTextIndex *index2Ptr, TkTextTag *tagPtr,
|
| 768 |
|
|
int add));
|
| 769 |
|
|
extern void TkBTreeUnlinkSegment _ANSI_ARGS_((TkTextBTree tree,
|
| 770 |
|
|
TkTextSegment *segPtr, TkTextLine *linePtr));
|
| 771 |
|
|
extern void TkTextBindProc _ANSI_ARGS_((ClientData clientData,
|
| 772 |
|
|
XEvent *eventPtr));
|
| 773 |
|
|
extern void TkTextChanged _ANSI_ARGS_((TkText *textPtr,
|
| 774 |
|
|
TkTextIndex *index1Ptr, TkTextIndex *index2Ptr));
|
| 775 |
|
|
extern int TkTextCharBbox _ANSI_ARGS_((TkText *textPtr,
|
| 776 |
|
|
TkTextIndex *indexPtr, int *xPtr, int *yPtr,
|
| 777 |
|
|
int *widthPtr, int *heightPtr));
|
| 778 |
|
|
extern int TkTextCharLayoutProc _ANSI_ARGS_((TkText *textPtr,
|
| 779 |
|
|
TkTextIndex *indexPtr, TkTextSegment *segPtr,
|
| 780 |
|
|
int offset, int maxX, int maxChars, int noBreakYet,
|
| 781 |
|
|
Tk_Uid wrapMode, TkTextDispChunk *chunkPtr));
|
| 782 |
|
|
extern void TkTextCreateDInfo _ANSI_ARGS_((TkText *textPtr));
|
| 783 |
|
|
extern int TkTextDLineInfo _ANSI_ARGS_((TkText *textPtr,
|
| 784 |
|
|
TkTextIndex *indexPtr, int *xPtr, int *yPtr,
|
| 785 |
|
|
int *widthPtr, int *heightPtr, int *basePtr));
|
| 786 |
|
|
extern TkTextTag * TkTextCreateTag _ANSI_ARGS_((TkText *textPtr,
|
| 787 |
|
|
char *tagName));
|
| 788 |
|
|
extern void TkTextFreeDInfo _ANSI_ARGS_((TkText *textPtr));
|
| 789 |
|
|
extern void TkTextFreeTag _ANSI_ARGS_((TkText *textPtr,
|
| 790 |
|
|
TkTextTag *tagPtr));
|
| 791 |
|
|
extern int TkTextGetIndex _ANSI_ARGS_((Tcl_Interp *interp,
|
| 792 |
|
|
TkText *textPtr, char *string,
|
| 793 |
|
|
TkTextIndex *indexPtr));
|
| 794 |
|
|
extern TkTextTabArray * TkTextGetTabs _ANSI_ARGS_((Tcl_Interp *interp,
|
| 795 |
|
|
Tk_Window tkwin, char *string));
|
| 796 |
|
|
extern void TkTextIndexBackChars _ANSI_ARGS_((TkTextIndex *srcPtr,
|
| 797 |
|
|
int count, TkTextIndex *dstPtr));
|
| 798 |
|
|
extern int TkTextIndexCmp _ANSI_ARGS_((TkTextIndex *index1Ptr,
|
| 799 |
|
|
TkTextIndex *index2Ptr));
|
| 800 |
|
|
extern void TkTextIndexForwChars _ANSI_ARGS_((TkTextIndex *srcPtr,
|
| 801 |
|
|
int count, TkTextIndex *dstPtr));
|
| 802 |
|
|
extern TkTextSegment * TkTextIndexToSeg _ANSI_ARGS_((TkTextIndex *indexPtr,
|
| 803 |
|
|
int *offsetPtr));
|
| 804 |
|
|
extern void TkTextInsertDisplayProc _ANSI_ARGS_((
|
| 805 |
|
|
TkTextDispChunk *chunkPtr, int x, int y, int height,
|
| 806 |
|
|
int baseline, Display *display, Drawable dst,
|
| 807 |
|
|
int screenY));
|
| 808 |
|
|
extern void TkTextLostSelection _ANSI_ARGS_((
|
| 809 |
|
|
ClientData clientData));
|
| 810 |
|
|
extern TkTextIndex * TkTextMakeIndex _ANSI_ARGS_((TkTextBTree tree,
|
| 811 |
|
|
int lineIndex, int charIndex,
|
| 812 |
|
|
TkTextIndex *indexPtr));
|
| 813 |
|
|
extern int TkTextMarkCmd _ANSI_ARGS_((TkText *textPtr,
|
| 814 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 815 |
|
|
extern int TkTextMarkNameToIndex _ANSI_ARGS_((TkText *textPtr,
|
| 816 |
|
|
char *name, TkTextIndex *indexPtr));
|
| 817 |
|
|
extern void TkTextMarkSegToIndex _ANSI_ARGS_((TkText *textPtr,
|
| 818 |
|
|
TkTextSegment *markPtr, TkTextIndex *indexPtr));
|
| 819 |
|
|
extern void TkTextEventuallyRepick _ANSI_ARGS_((TkText *textPtr));
|
| 820 |
|
|
extern void TkTextPickCurrent _ANSI_ARGS_((TkText *textPtr,
|
| 821 |
|
|
XEvent *eventPtr));
|
| 822 |
|
|
extern void TkTextPixelIndex _ANSI_ARGS_((TkText *textPtr,
|
| 823 |
|
|
int x, int y, TkTextIndex *indexPtr));
|
| 824 |
|
|
extern void TkTextPrintIndex _ANSI_ARGS_((TkTextIndex *indexPtr,
|
| 825 |
|
|
char *string));
|
| 826 |
|
|
extern void TkTextRedrawRegion _ANSI_ARGS_((TkText *textPtr,
|
| 827 |
|
|
int x, int y, int width, int height));
|
| 828 |
|
|
extern void TkTextRedrawTag _ANSI_ARGS_((TkText *textPtr,
|
| 829 |
|
|
TkTextIndex *index1Ptr, TkTextIndex *index2Ptr,
|
| 830 |
|
|
TkTextTag *tagPtr, int withTag));
|
| 831 |
|
|
extern void TkTextRelayoutWindow _ANSI_ARGS_((TkText *textPtr));
|
| 832 |
|
|
extern int TkTextScanCmd _ANSI_ARGS_((TkText *textPtr,
|
| 833 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 834 |
|
|
extern int TkTextSeeCmd _ANSI_ARGS_((TkText *textPtr,
|
| 835 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 836 |
|
|
extern int TkTextSegToOffset _ANSI_ARGS_((TkTextSegment *segPtr,
|
| 837 |
|
|
TkTextLine *linePtr));
|
| 838 |
|
|
extern TkTextSegment * TkTextSetMark _ANSI_ARGS_((TkText *textPtr, char *name,
|
| 839 |
|
|
TkTextIndex *indexPtr));
|
| 840 |
|
|
extern void TkTextSetYView _ANSI_ARGS_((TkText *textPtr,
|
| 841 |
|
|
TkTextIndex *indexPtr, int pickPlace));
|
| 842 |
|
|
extern int TkTextTagCmd _ANSI_ARGS_((TkText *textPtr,
|
| 843 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 844 |
|
|
extern int TkTextImageCmd _ANSI_ARGS_((TkText *textPtr,
|
| 845 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 846 |
|
|
extern int TkTextImageIndex _ANSI_ARGS_((TkText *textPtr,
|
| 847 |
|
|
char *name, TkTextIndex *indexPtr));
|
| 848 |
|
|
extern int TkTextWindowCmd _ANSI_ARGS_((TkText *textPtr,
|
| 849 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 850 |
|
|
extern int TkTextWindowIndex _ANSI_ARGS_((TkText *textPtr,
|
| 851 |
|
|
char *name, TkTextIndex *indexPtr));
|
| 852 |
|
|
extern int TkTextXviewCmd _ANSI_ARGS_((TkText *textPtr,
|
| 853 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 854 |
|
|
extern int TkTextYviewCmd _ANSI_ARGS_((TkText *textPtr,
|
| 855 |
|
|
Tcl_Interp *interp, int argc, char **argv));
|
| 856 |
|
|
|
| 857 |
|
|
#endif /* _TKTEXT */
|
