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8728 leency 1
(*
9891 akron1 2
    Copyright 2021-2023 Anton Krotov
8728 leency 3
 
4
    This file is part of CEdit.
5
 
6
    CEdit is free software: you can redistribute it and/or modify
7
    it under the terms of the GNU General Public License as published by
8
    the Free Software Foundation, either version 3 of the License, or
9
    (at your option) any later version.
10
 
11
    CEdit is distributed in the hope that it will be useful,
12
    but WITHOUT ANY WARRANTY; without even the implied warranty of
13
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
    GNU General Public License for more details.
15
 
16
    You should have received a copy of the GNU General Public License
17
    along with CEdit. If not, see .
18
*)
19
 
20
MODULE Text;
21
 
22
IMPORT
23
    List, Lines,
24
    G := Graph,
25
    U := Utils,
26
    RW, Search,
27
    E := Encodings,
28
    CB := Clipboard,
9073 leency 29
    ChangeLog, File,
8728 leency 30
    Lang := Languages;
31
 
32
 
33
CONST
34
 
9174 akron1 35
    SPACE = Lines.SPACE;
36
    TAB = Lines.TAB;
37
    TAB1 = Lines.TAB1;
8728 leency 38
    lenEOL = CB.lenEOL;
39
 
40
    mark_width = 2;
41
    pad_left = mark_width + 3;
9892 akron1 42
    pad_top = 1;
8728 leency 43
    inter = 2;
44
 
45
 
46
TYPE
47
 
9210 akron1 48
    tPoint* = RECORD
49
        X*, Y*: INTEGER
8728 leency 50
    END;
51
 
52
    pPoint = POINTER TO tPoint;
53
 
54
    tString* = ARRAY 1000 OF WCHAR;
55
 
56
    tLine = Lines.tLine;
57
 
58
    tGuard = POINTER TO RECORD (ChangeLog.tGuard)
59
        selected: BOOLEAN;
60
        cursor, select2, scroll: tPoint;
61
        CurX: INTEGER
62
    END;
63
 
64
    tText* = POINTER TO RECORD (List.tList)
65
        cursor, select, select2: pPoint;
66
        scroll: tPoint;
67
        CurX: INTEGER;
9668 akron1 68
        smallChange: INTEGER;
9671 akron1 69
        modified*, smallMove,
9674 akron1 70
        comments, guard, fasm*,
9904 akron1 71
        search, cs, whole, wordSel: BOOLEAN;
8728 leency 72
        edition*: tGuard;
73
        curLine: tLine;
74
        lang*: INTEGER;
9336 akron1 75
        enc, eol: INTEGER;
8728 leency 76
        foundList: List.tList;
77
        foundSel: INTEGER;
9050 leency 78
        searchText: tString;
9668 akron1 79
        LinesVector: Lines.tVector;
9050 leency 80
        chLog*: ChangeLog.tLog;
9210 akron1 81
        maxLength*: INTEGER;
82
        fileName*: RW.tFileName
8728 leency 83
    END;
84
 
85
    tProcedure = PROCEDURE;
86
 
87
 
88
VAR
89
 
90
    pdelete: PROCEDURE (text: tText);
91
    ShowCursor: PROCEDURE;
92
 
9671 akron1 93
    colors: RECORD
8762 leency 94
                text, back, seltext, selback, modified, saved, curline, numtext, numback: INTEGER;
9413 akron1 95
                comment, string, escape, num, delim, key1, key2, key3: INTEGER
8728 leency 96
             END;
97
    canvas: G.tCanvas;
9174 akron1 98
    drawCursor: BOOLEAN;
8728 leency 99
    padding: RECORD left, top: INTEGER END;
100
    size, textsize: tPoint;
101
    charWidth, charHeight: INTEGER;
9671 akron1 102
    autoIndents*, lineNumbers*, autoBrackets*, trimSpace*: BOOLEAN;
8728 leency 103
 
104
 
9210 akron1 105
PROCEDURE setLang* (text: tText; lang: INTEGER);
106
BEGIN
9674 akron1 107
	IF text.lang # lang THEN
108
		text.fasm := lang = Lang.langFasm;
109
		text.lang := lang
110
	END;
9210 akron1 111
    text.comments := TRUE;
112
    Lang.setCurLang(text.lang)
113
END setLang;
114
 
115
 
8728 leency 116
PROCEDURE setName* (text: tText; name: RW.tFileName);
117
VAR
118
    ext: RW.tFileName;
119
BEGIN
120
    text.fileName := name;
9210 akron1 121
    U.getFileName(name, ext, ".");
9903 akron1 122
    U.lowcase8(ext);
9210 akron1 123
    setLang(text, Lang.getLang(ext))
8728 leency 124
END setName;
125
 
126
 
127
PROCEDURE getPos* (text: tText; VAR x, y: INTEGER);
128
BEGIN
129
    x := text.cursor.X + 1;
130
    y := text.cursor.Y + 1
131
END getPos;
132
 
133
 
134
PROCEDURE getScroll* (text: tText; VAR x, y: INTEGER);
135
BEGIN
136
    x := text.scroll.X;
137
    y := text.scroll.Y
138
END getScroll;
139
 
140
 
141
PROCEDURE getTextSize* (VAR x, y: INTEGER);
142
BEGIN
143
    x := textsize.X;
144
    y := textsize.Y
145
END getTextSize;
146
 
147
 
148
PROCEDURE getTextRect* (VAR left, top, rigth, bottom: INTEGER);
149
BEGIN
150
    left := padding.left - 1;
151
    top := padding.top - 1;
152
    rigth := size.X - 1;
153
    bottom := top + size.Y - 1;
154
END getTextRect;
155
 
156
 
9671 akron1 157
PROCEDURE toggleNumbers*;
8728 leency 158
BEGIN
9671 akron1 159
    lineNumbers := ~lineNumbers
8728 leency 160
END toggleNumbers;
161
 
162
 
9671 akron1 163
PROCEDURE toggleIndents*;
164
BEGIN
165
    autoIndents := ~autoIndents
166
END toggleIndents;
167
 
168
 
169
PROCEDURE toggleBrackets*;
170
BEGIN
171
    autoBrackets := ~autoBrackets
172
END toggleBrackets;
173
 
174
 
175
PROCEDURE toggleTrimSpace*;
176
BEGIN
177
    trimSpace := ~trimSpace
178
END toggleTrimSpace;
179
 
180
 
9174 akron1 181
PROCEDURE showCursor*;
182
BEGIN
183
	drawCursor := TRUE
184
END showCursor;
185
 
186
 
187
PROCEDURE hideCursor*;
188
BEGIN
189
	drawCursor := FALSE
190
END hideCursor;
191
 
192
 
8728 leency 193
PROCEDURE getString (src: tLine; pos, cnt: INTEGER; VAR dst: ARRAY OF WCHAR): INTEGER;
194
VAR
195
    i: INTEGER;
196
BEGIN
197
    i := 0;
198
    WHILE (pos < src.length) & (cnt > 0) DO
199
        IF i < LEN(dst) - 1 THEN
9659 akron1 200
            dst[i] := Lines.getChar(src, pos);
8728 leency 201
            INC(i)
202
        END;
203
        INC(pos);
204
        DEC(cnt)
205
    END;
206
    dst[i] := 0X
207
    RETURN i
208
END getString;
209
 
210
 
211
PROCEDURE NextLine (VAR line: tLine);
212
BEGIN
213
    line := line.next(tLine)
214
END NextLine;
215
 
216
 
217
PROCEDURE PrevLine (VAR line: tLine);
218
BEGIN
219
    line := line.prev(tLine)
220
END PrevLine;
221
 
222
 
223
PROCEDURE SetColor (textColor, backColor: INTEGER);
224
BEGIN
225
    G.SetTextColor(canvas, textColor);
226
    G.SetBkColor(canvas, backColor)
227
END SetColor;
228
 
229
 
230
PROCEDURE ProcessComments (line: tLine; VAR depth, pos: INTEGER; minDepth, n: INTEGER; lang: INTEGER);
231
VAR
232
    cond: INTEGER;
233
BEGIN
234
    cond := 0;
235
    WHILE (pos <= n) & (depth > minDepth) DO
236
        Lang.comments(line, depth, cond, pos, n, lang);
237
        INC(pos)
238
    END;
239
    DEC(pos)
240
END ProcessComments;
241
 
242
 
9668 akron1 243
PROCEDURE getLine2 (text: tText; n: INTEGER): tLine;
244
VAR
245
	item: tLine;
246
BEGIN
247
	IF (0 <= n) & (n < text.count) THEN
248
		item := Lines.getVectorItem(text.LinesVector, n)
249
	ELSE
250
		item := NIL
251
	END
252
	RETURN item
253
END getLine2;
254
 
255
 
8728 leency 256
PROCEDURE Comments (text: tText);
257
VAR
9668 akron1 258
	line: tLine;
259
	i, k, cout: INTEGER;
8728 leency 260
BEGIN
9668 akron1 261
	IF text.smallChange = 1 THEN
262
		line := getLine2(text, text.cursor.Y);
263
		IF line.prev # NIL THEN
264
			line.cin := line.prev(tLine).cout
265
		ELSE
266
			line.cin := 0
267
		END;
268
		cout := line.cout;
269
		line.cout := line.cin;
270
		i := 0;
271
		ProcessComments(line, line.cout, i, -1, line.length - 1, text.lang);
272
		IF line.cout # cout THEN
273
			text.smallChange := 0;
274
			Comments(text)
275
		END
276
	ELSE
277
		Lines.destroyVector(text.LinesVector);
278
		text.LinesVector := Lines.createVector(text.count);
279
		k := 0;
280
		line := text.first(tLine);
281
		Lines.setVectorItem(text.LinesVector, k, line);
282
		INC(k);
283
		line.cin := 0;
284
		line.cout := 0;
285
		i := 0;
286
		ProcessComments(line, line.cout, i, -1, line.length - 1, text.lang);
287
		NextLine(line);
288
		WHILE line # NIL DO
289
			Lines.setVectorItem(text.LinesVector, k, line);
290
			INC(k);
291
			line.cin := line.prev(tLine).cout;
292
			line.cout := line.cin;
293
			i := 0;
294
			ProcessComments(line, line.cout, i, -1, line.length - 1, text.lang);
295
			NextLine(line)
296
		END
297
	END;
298
	text.smallChange := 0;
299
	text.comments := FALSE
8728 leency 300
END Comments;
301
 
302
 
9674 akron1 303
PROCEDURE leadingSpaces (line: tLine): INTEGER;
304
VAR
305
    i: INTEGER;
306
BEGIN
307
    i := 0;
308
    WHILE Lines.isSpace(Lines.getChar(line, i)) DO
309
        INC(i)
310
    END
311
    RETURN i
312
END leadingSpaces;
313
 
314
 
8728 leency 315
PROCEDURE parse (text: tText; line: tLine; y: INTEGER; backColor: INTEGER; lang: INTEGER);
316
VAR
317
    c: WCHAR;
318
    i, n, k: INTEGER;
319
    cond, depth: INTEGER;
320
    color: INTEGER;
321
    hex: BOOLEAN;
322
    isDgt: PROCEDURE (c: WCHAR): BOOLEAN;
323
 
324
 
325
    PROCEDURE PrintLex (text: tText; line: tLine; lexStart, lexEnd: INTEGER; y: INTEGER; color, backColor: INTEGER);
326
    VAR
327
        lexLen: INTEGER;
328
    BEGIN
329
        SetColor(color, backColor);
330
        lexLen := MAX(MIN(line.length - lexStart, lexEnd - lexStart + 1), 0);
9193 akron1 331
        G.TextOut(canvas, padding.left + (lexStart - text.scroll.X) * charWidth, y, Lines.getPChar(line, lexStart), lexLen, color)
8728 leency 332
    END PrintLex;
333
 
334
 
9193 akron1 335
    PROCEDURE PrintComment (text: tText; line: tLine; VAR depth, i: INTEGER; w, y: INTEGER; backColor: INTEGER);
8728 leency 336
    VAR
337
        lexStart: INTEGER;
338
        color: INTEGER;
339
    BEGIN
340
        IF (text.lang = Lang.langLua) & ~ODD(depth) THEN
341
            color := colors.string
342
        ELSIF (text.lang = Lang.langIni) & (depth = 1) THEN
343
            color := colors.key2
344
        ELSIF (text.lang = Lang.langPascal) & (depth = 3) THEN
345
            color := colors.key3
346
        ELSE
347
            color := colors.comment
348
        END;
9193 akron1 349
        lexStart := MAX(i - w, 0);
8728 leency 350
        ProcessComments(line, depth, i, 0, line.length - 1, text.lang);
351
        PrintLex(text, line, lexStart, i, y, color, backColor)
352
    END PrintComment;
353
 
354
 
9903 akron1 355
    PROCEDURE upper (c: WCHAR): WCHAR;
8728 leency 356
    BEGIN
9903 akron1 357
        IF U.upper(c) THEN END
8728 leency 358
        RETURN c
9903 akron1 359
    END upper;
8728 leency 360
 
361
 
362
    PROCEDURE UL (c: WCHAR): BOOLEAN;
9903 akron1 363
        RETURN (upper(c) = "U") OR (upper(c) = "L")
8728 leency 364
    END UL;
365
 
366
 
367
    PROCEDURE FL (c: WCHAR): BOOLEAN;
9903 akron1 368
        RETURN (upper(c) = "F") OR (upper(c) = "L")
8728 leency 369
    END FL;
370
 
371
 
372
    PROCEDURE ident (text: tText; VAR i: INTEGER; first, y: INTEGER; line: tLine; backColor: INTEGER; cs: BOOLEAN);
373
    VAR
374
        c: WCHAR;
375
        lexLen: INTEGER;
376
        s: ARRAY 32 OF WCHAR;
377
        color: INTEGER;
378
    BEGIN
9659 akron1 379
        c := Lines.getChar(line, i);
8728 leency 380
        WHILE U.isLetter(c) OR (c = "_") OR U.isDigit(c) DO
381
            INC(i);
9659 akron1 382
            c := Lines.getChar(line, i);
8728 leency 383
        END;
384
        DEC(i);
385
        lexLen := getString(line, first, i - first + 1, s);
386
        IF ~cs THEN
9903 akron1 387
            U.lowcase(s)
8728 leency 388
        END;
389
        IF Lang.isKey(s, text.lang, 1) THEN
390
            color := colors.key1
391
        ELSIF Lang.isKey(s, text.lang, 2) THEN
392
            color := colors.key2
393
        ELSIF Lang.isKey(s, text.lang, 3) THEN
394
            color := colors.key3
395
        ELSE
396
            color := colors.text
397
        END;
398
        IF color # colors.text THEN
399
            PrintLex(text, line, first, i, y, color, backColor)
400
        END
401
    END ident;
402
 
403
 
404
    PROCEDURE String (text: tText; line: tLine; VAR i: INTEGER; y: INTEGER; backColor: INTEGER);
405
    VAR
9413 akron1 406
        k, j, Start, End: INTEGER;
407
        c: WCHAR;
8728 leency 408
    BEGIN
409
        k := i;
9413 akron1 410
        Lang.SkipString(line, i, line.length - 1, text.lang);
411
        PrintLex(text, line, k, i, y, colors.string, backColor);
412
        IF text.lang IN Lang.escLang THEN
413
	        Start := k + 1;
414
	        End := i - 1;
415
	        k := Start;
416
	        WHILE k <= End DO
9659 akron1 417
	        	c := Lines.getChar(line, k);
9413 akron1 418
	        	IF c = "\" THEN
419
	        		j := k;
420
	        		Lang.SkipEsc(line, k, line.length - 1, text.lang);
421
	        		PrintLex(text, line, j, k, y, colors.escape, backColor)
422
	        	END;
423
	        	INC(k)
424
	        END
425
        END
8728 leency 426
    END String;
427
 
428
 
429
BEGIN
430
    depth := line.cin;
431
    n := line.length - 1;
432
    i := 0;
433
    IF (depth > 0) & (n >= 0) THEN
9193 akron1 434
        PrintComment(text, line, depth, i, 2, y, backColor)
8728 leency 435
    END;
436
    cond := 0;
437
    WHILE i <= n DO
9659 akron1 438
        c := Lines.getChar(line, i);
8728 leency 439
 
440
        IF lang = Lang.langFasm THEN
441
 
442
            IF c = ";" THEN
443
                PrintLex(text, line, i, n, y, colors.comment, backColor);
444
                i := n
445
            ELSIF (c = "'") OR (c = '"') THEN
446
                String(text, line, i, y, backColor)
447
            ELSIF (U.isLetter(c) OR (c = "_")) THEN
9050 leency 448
                ident(text, i, i, y, line, backColor, Lang.isCS(lang))
8728 leency 449
            ELSIF U.isDigit(c) THEN
450
                hex := FALSE;
451
                k := i;
452
                INC(i);
9659 akron1 453
                c := Lines.getChar(line, i);
9903 akron1 454
                IF (upper(c) = "X") & (Lines.getChar(line, i - 1) = "0") THEN
8728 leency 455
                    INC(i);
456
                    hex := TRUE
457
                END;
458
 
9903 akron1 459
                WHILE U.isHex(upper(Lines.getChar(line, i))) DO
8728 leency 460
                    INC(i)
461
                END;
462
 
9903 akron1 463
                IF (upper(Lines.getChar(line, i)) = "H") & ~hex THEN
8728 leency 464
                    INC(i)
465
                END;
466
 
467
                DEC(i);
468
                PrintLex(text, line, k, i, y, colors.num, backColor)
469
            END
470
 
9174 akron1 471
        ELSIF (lang = Lang.langC) OR (lang = Lang.langJSON) THEN
8728 leency 472
 
9210 akron1 473
	        IF depth = 0 THEN
474
	            IF c = "/" THEN
475
	                IF cond = 0 THEN
476
	                    cond := 1
477
	                ELSE
478
	                    PrintLex(text, line, i - 1, n, y, colors.comment, backColor);
479
	                    cond := 0;
480
	                    i := n
481
	                END
482
	            ELSIF (c = "*") & (cond = 1) THEN
483
	                depth := 1;
484
	                INC(i);
485
	                PrintComment(text, line, depth, i, 2, y, backColor);
486
	                cond := 0
487
	            ELSIF U.isLetter(c) OR (c = "_") OR (c = "'") OR (c = '"') THEN
488
	            	k := i;
489
	            	IF (c = "'") OR (c = '"') THEN
490
	            		String(text, line, i, y, backColor);
491
	            	ELSE
9659 akron1 492
	            		ident(text, i, i - ORD((lang = Lang.langC) & (i > 0) & (Lines.getChar(line, i - 1) = "#")), y, line, backColor, Lang.isCS(lang))
9210 akron1 493
	            	END;
494
	                IF lang = Lang.langJSON THEN
9659 akron1 495
		                WHILE Lines.isSpace(Lines.getChar(line, i + 1)) DO
9210 akron1 496
		                	INC(i)
497
		                END;
9659 akron1 498
		                IF Lines.getChar(line, i + 1) = ":" THEN
9210 akron1 499
		                	PrintLex(text, line, k, i, y, colors.key1, backColor)
500
		                END
9174 akron1 501
	                END;
9210 akron1 502
	                cond := 0
503
	            ELSIF U.isDigit(c) THEN
504
	                k := i;
505
	                INC(i);
9659 akron1 506
	                c := Lines.getChar(line, i);
9210 akron1 507
	                IF c = "." THEN
508
	                    DEC(i);
9659 akron1 509
	                    c := Lines.getChar(line, i)
9210 akron1 510
	                END;
9903 akron1 511
	                IF (upper(c) = "X") & (Lines.getChar(line, i - 1) = "0") THEN
9210 akron1 512
	                    REPEAT
513
	                        INC(i);
9659 akron1 514
	                        c := Lines.getChar(line, i)
9903 akron1 515
	                    UNTIL ~U.isHex(upper(c));
9210 akron1 516
	                    IF UL(c) THEN
517
	                        INC(i)
518
	                    END
519
	                ELSIF UL(c) THEN
520
	                    INC(i)
521
	                ELSIF U.isDigit(c) THEN
522
	                    REPEAT
523
	                        INC(i)
9659 akron1 524
	                    UNTIL ~U.isDigit(Lines.getChar(line, i));
525
	                    c := Lines.getChar(line, i);
9210 akron1 526
	                    IF UL(c) THEN
527
	                        INC(i)
528
	                    ELSIF c = "." THEN
529
	                        INC(i);
9659 akron1 530
	                        WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 531
	                            INC(i)
532
	                        END;
9659 akron1 533
	                        c := Lines.getChar(line, i);
9903 akron1 534
	                        IF upper(c) = "E" THEN
9210 akron1 535
	                            INC(i);
9659 akron1 536
	                            c := Lines.getChar(line, i);
9210 akron1 537
	                            IF (c = "+") OR (c = "-") THEN
538
	                                INC(i)
539
	                            END;
9659 akron1 540
	                            IF U.isDigit(Lines.getChar(line, i)) THEN
541
	                                WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 542
	                                    INC(i)
543
	                                END;
9659 akron1 544
	                                c := Lines.getChar(line, i);
9210 akron1 545
	                                IF FL(c) THEN
546
	                                    INC(i)
547
	                                END
548
	                            END
549
	                        ELSIF FL(c) THEN
550
	                            INC(i)
551
	                        END
552
	                    END
553
	                END;
554
	                DEC(i);
555
	                PrintLex(text, line, k, i, y, colors.num, backColor);
556
	                cond := 0
557
	            ELSE
558
	                cond := 0
559
	            END
560
	        ELSIF depth = 1 THEN
561
	            IF c = "*" THEN
562
	                cond := 1
563
	            ELSIF (c = "/") & (cond = 1) THEN
564
	                cond := 0;
565
	                depth := 0
566
	            ELSE
567
	                cond := 0
568
	            END
569
	        END
8728 leency 570
 
571
        ELSIF lang = Lang.langOberon THEN
572
 
9210 akron1 573
	        IF (depth = 0) & (c = "/") THEN
574
	            IF cond = 3 THEN
575
	                PrintLex(text, line, i - 1, n, y, colors.comment, backColor);
576
	                cond := 0;
577
	                i := n
578
	            ELSE
579
	                cond := 3
580
	            END
581
	        ELSIF (depth = 0) & ((c = "'") OR (c = '"')) THEN
582
	            String(text, line, i, y, backColor);
583
	            cond := 0
584
	        ELSIF (depth = 0) & U.isDigit(c) THEN
585
	            color := colors.num;
586
	            k := i;
587
	            INC(i);
9659 akron1 588
	            WHILE U.isHex(Lines.getChar(line, i)) DO
9210 akron1 589
	                INC(i)
590
	            END;
591
	            IF i <= n THEN
9659 akron1 592
	                IF Lines.getChar(line, i) = "." THEN
9210 akron1 593
	                    INC(i);
9659 akron1 594
	                    IF Lines.getChar(line, i) = "." THEN
9210 akron1 595
	                        DEC(i)
596
	                    END;
9659 akron1 597
	                    WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 598
	                        INC(i)
599
	                    END;
9659 akron1 600
	                    IF Lines.getChar(line, i) = "E" THEN
9210 akron1 601
	                        INC(i);
9659 akron1 602
	                        IF (Lines.getChar(line, i) = "+") OR (Lines.getChar(line, i) = "-") THEN
9210 akron1 603
	                            INC(i)
604
	                        END;
9659 akron1 605
	                        WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 606
	                            INC(i)
607
	                        END
608
	                    END
9659 akron1 609
	                ELSIF Lines.getChar(line, i) = "H" THEN
9210 akron1 610
	                    INC(i)
9659 akron1 611
	                ELSIF Lines.getChar(line, i) = "X" THEN
9210 akron1 612
	                    color := colors.string;
613
	                    INC(i)
614
	                END
615
	            END;
616
	            DEC(i);
617
	            PrintLex(text, line, k, i, y, color, backColor);
618
	            cond := 0
619
	        ELSIF (depth = 0) & (U.isLetter(c) OR (c = "_")) THEN
620
	            ident(text, i, i, y, line, backColor, Lang.isCS(lang));
621
	            cond := 0
622
	        ELSIF c = "(" THEN
623
	            cond := 1
624
	        ELSIF c = "*" THEN
625
	            IF cond = 1 THEN
626
	                INC(depth);
627
	                INC(i);
628
	                PrintComment(text, line, depth, i, 2, y, backColor);
629
	                cond := 0
630
	            ELSE
631
	                cond := 2
632
	            END
633
	        ELSIF c = ")" THEN
634
	            IF cond = 2 THEN
635
	                IF depth > 0 THEN
636
	                    DEC(depth)
637
	                END
638
	            END;
639
	            cond := 0
640
	        ELSE
641
	            cond := 0
642
	        END
8728 leency 643
 
644
        ELSIF lang = Lang.langLua THEN
645
 
9210 akron1 646
	        IF depth = 0 THEN
647
	            IF c = "-" THEN
648
	                IF cond = 1 THEN
649
	                    IF Lang.LuaLong(line, i + 1) >= 0 THEN
650
	                        depth := Lang.LuaLong(line, i + 1)*2 + 1;
651
	                        INC(i);
652
	                        PrintComment(text, line, depth, i, 2, y, backColor)
653
	                    ELSE
654
	                        PrintLex(text, line, i - 1, n, y, colors.comment, backColor);
655
	                        i := n
656
	                    END;
657
	                    cond := 0
658
	                ELSE
659
	                    cond := 1
660
	                END
661
	            ELSIF c = "[" THEN
662
	                cond := 0;
663
	                k := Lang.LuaLong(line, i);
664
	                IF k >= 0 THEN
665
	                    depth := (k + 1)*2;
666
	                    INC(i, 2);
667
	                    PrintComment(text, line, depth, i, 2, y, backColor);
668
	                    cond := 0
669
	                END
670
	            ELSIF (c = "'") OR (c = '"') THEN
671
	                String(text, line, i, y, backColor);
672
	                cond := 0
673
	            ELSIF U.isDigit(c) THEN
674
	                k := i;
9903 akron1 675
	                IF (c = "0") & (upper(Lines.getChar(line, i + 1)) = "X") THEN
9210 akron1 676
	                    isDgt := U.isHex;
677
	                    hex := TRUE;
678
	                    INC(i, 2)
679
	                ELSE
680
	                    isDgt := U.isDigit;
681
	                    hex := FALSE
682
	                END;
9903 akron1 683
	                WHILE isDgt(upper(Lines.getChar(line, i))) DO
9210 akron1 684
	                    INC(i)
685
	                END;
9659 akron1 686
	                IF Lines.getChar(line, i) = "." THEN
9210 akron1 687
	                    INC(i);
9659 akron1 688
	                    IF Lines.getChar(line, i) = "." THEN
9210 akron1 689
	                        DEC(i)
690
	                    END;
9903 akron1 691
	                    WHILE isDgt(upper(Lines.getChar(line, i))) DO
9210 akron1 692
	                        INC(i)
693
	                    END
694
	                END;
9903 akron1 695
	                IF (upper(Lines.getChar(line, i)) = "E") OR hex & (upper(Lines.getChar(line, i)) = "P") THEN
9210 akron1 696
	                    INC(i);
9659 akron1 697
	                    IF (Lines.getChar(line, i) = "-") OR (Lines.getChar(line, i) = "+") THEN
9210 akron1 698
	                        INC(i)
699
	                    END;
9903 akron1 700
	                    WHILE isDgt(upper(Lines.getChar(line, i))) DO
9210 akron1 701
	                        INC(i)
702
	                    END
703
	                END;
704
	                DEC(i);
705
	                PrintLex(text, line, k, i, y, colors.num, backColor);
706
	                cond := 0
707
	            ELSIF U.isLetter(c) OR (c = "_") THEN
708
	                ident(text, i, i, y, line, backColor, Lang.isCS(lang));
709
	                cond := 0
710
	            ELSE
711
	                cond := 0
712
	            END
8728 leency 713
 
9210 akron1 714
	        ELSIF depth > 0 THEN
715
	            IF (cond = 0) & (c = "]") THEN
716
	                cond := 1
717
	            ELSIF (cond >= 1) & (c = "=") THEN
718
	                INC(cond)
719
	            ELSIF (cond >= 1) & (c = "]") & (cond * 2 - depth MOD 2 = depth) THEN
720
	                depth := 0;
721
	                cond := 0
722
	            ELSE
723
	                cond := 0
724
	            END
725
	        END
8728 leency 726
 
727
        ELSIF lang = Lang.langPascal THEN
728
 
9210 akron1 729
	        IF depth = 0 THEN
730
	            IF c = "(" THEN
731
	                cond := 1
732
	            ELSIF (c = "*") & (cond = 1) THEN
733
	                depth := 2;
734
	                INC(i);
735
	                PrintComment(text, line, depth, i, 2, y, backColor);
736
	                cond := 0
737
	            ELSIF c = "/" THEN
738
	                IF cond = 2 THEN
739
	                    PrintLex(text, line, i - 1, n, y, colors.comment, backColor);
740
	                    cond := 0;
741
	                    i := n
742
	                ELSE
743
	                    cond := 2
744
	                END
745
	            ELSIF c = "'" THEN
746
	                String(text, line, i, y, backColor);
747
	                cond := 0
748
	            ELSIF c = "{" THEN
9659 akron1 749
	                IF Lines.getChar(line, i + 1) = "$" THEN
9210 akron1 750
	                    depth := 3
751
	                ELSE
752
	                    depth := 1
753
	                END;
754
	                INC(i);
755
	                PrintComment(text, line, depth, i, 1, y, backColor);
756
	                cond := 0
757
	            ELSIF c = "#" THEN
758
	                k := i;
759
	                INC(i);
9659 akron1 760
	                WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 761
	                    INC(i)
762
	                END;
763
	                DEC(i);
764
	                PrintLex(text, line, k, i, y, colors.string, backColor);
765
	                cond := 0
766
	            ELSIF c = "$" THEN
9659 akron1 767
	                IF (i > 0 ) & (Lines.getChar(line, i - 1) = "#") THEN
9210 akron1 768
	                    color := colors.string
769
	                ELSE
770
	                    color := colors.num
771
	                END;
772
	                k := i;
773
	                INC(i);
9903 akron1 774
	                WHILE U.isHex(upper(Lines.getChar(line, i))) DO
9210 akron1 775
	                    INC(i)
776
	                END;
777
	                DEC(i);
778
	                PrintLex(text, line, k, i, y, color, backColor);
779
	                cond := 0
780
	            ELSIF U.isDigit(c) THEN
781
	                k := i;
9659 akron1 782
	                WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 783
	                    INC(i)
784
	                END;
9659 akron1 785
	                IF Lines.getChar(line, i) = "." THEN
9210 akron1 786
	                    INC(i);
9659 akron1 787
	                    IF Lines.getChar(line, i) = "." THEN
9210 akron1 788
	                        DEC(i)
789
	                    END;
9659 akron1 790
	                    WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 791
	                        INC(i)
792
	                    END;
9903 akron1 793
	                    IF upper(Lines.getChar(line, i)) = "E" THEN
9210 akron1 794
	                        INC(i);
9659 akron1 795
	                        IF (Lines.getChar(line, i) = "-") OR (Lines.getChar(line, i) = "+") THEN
9210 akron1 796
	                            INC(i)
797
	                        END;
9659 akron1 798
	                        WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 799
	                            INC(i)
800
	                        END
801
	                    END
802
	                END;
803
	                DEC(i);
804
	                PrintLex(text, line, k, i, y, colors.num, backColor);
805
	                cond := 0
806
	            ELSIF (U.isLetter(c) OR (c = "_")) THEN
807
	                ident(text, i, i, y, line, backColor, Lang.isCS(lang));
808
	                cond := 0
809
	            ELSE
810
	                cond := 0
811
	            END
812
	        ELSIF depth IN {1, 3} THEN
813
	            IF c = "}" THEN
814
	                depth := 0
815
	            END
816
	        ELSIF depth = 2 THEN
817
	            IF c = "*" THEN
818
	                cond := 1
819
	            ELSIF (c = ")") & (cond = 1) THEN
820
	                depth := 0;
821
	                cond := 0
822
	            ELSE
823
	                cond := 0
824
	            END
825
	        END
8728 leency 826
 
827
        ELSIF lang = Lang.langIni THEN
828
 
9210 akron1 829
	        IF depth = 0 THEN
9674 akron1 830
	            IF ((c = ";") OR (c = "#")) & (leadingSpaces(line) = i) THEN
9210 akron1 831
	                PrintLex(text, line, i, n, y, colors.comment, backColor);
832
	                i := n
833
	            ELSIF c = '"' THEN
834
	                String(text, line, i, y, backColor)
835
	            ELSIF c = "[" THEN
836
	                depth := 1;
837
	                INC(i);
838
	                PrintComment(text, line, depth, i, 1, y, backColor)
839
	            ELSIF U.isDigit(c) THEN
840
	                k := i;
9659 akron1 841
	                WHILE U.isDigit(Lines.getChar(line, i)) DO
9210 akron1 842
	                    INC(i)
843
	                END;
844
	                DEC(i);
845
	                PrintLex(text, line, k, i, y, colors.num, backColor)
846
	            ELSIF (U.isLetter(c) OR (c = "_")) THEN
847
	                ident(text, i, i, y, line, backColor, Lang.isCS(lang))
848
	            END
849
	        ELSIF depth = 1 THEN
850
	            IF c = "]" THEN
851
	                depth := 0
852
	            END
853
	        END
8728 leency 854
 
855
        END;
856
        INC(i)
857
    END
858
END parse;
859
 
860
 
9599 akron1 861
PROCEDURE plain (text: tText): CB.tBuffer;
8728 leency 862
VAR
863
    buf: CB.tBuffer;
864
    size: INTEGER;
865
    line: tLine;
866
BEGIN
867
    size := 0;
868
    line := text.first(tLine);
869
    WHILE line # NIL DO
870
        line.pos := size;
871
        INC(size, line.length);
872
        NextLine(line);
873
        IF line # NIL THEN
874
            INC(size, CB.lenEOL)
875
        END
876
    END;
9599 akron1 877
    buf := CB.create(size + 2);
8728 leency 878
    line := text.first(tLine);
879
    WHILE line # NIL DO
880
        CB.append(buf, line, 0, line.length - 1);
881
        NextLine(line);
882
        IF line # NIL THEN
883
            CB.eol(buf)
884
        END
885
    END;
9599 akron1 886
    CB.appends(buf, 0X, 0, 0);
887
    CB.appends(buf, 0X, 0, 0)
8728 leency 888
    RETURN buf
889
END plain;
890
 
891
 
892
PROCEDURE search* (text: tText; s: ARRAY OF WCHAR; cs, whole: BOOLEAN): BOOLEAN;
893
VAR
9599 akron1 894
	pos: List.tItem;
895
	res: BOOLEAN;
896
	plainText, idxData: Search.tBuffer;
8728 leency 897
BEGIN
9599 akron1 898
	res := TRUE;
899
	plainText := NIL;
900
	idxData := NIL;
901
	WHILE text.foundList.count # 0 DO
902
		pos := List.pop(text.foundList);
903
		DISPOSE(pos)
904
	END;
905
	text.whole := whole;
906
	text.cs := cs;
907
	text.searchText := s;
908
	IF ~cs THEN
9903 akron1 909
		U.lowcase(text.searchText)
9599 akron1 910
	END;
911
	IF text.searchText # "" THEN
912
		plainText := plain(text);
9902 akron1 913
		idxData := Search.index(plainText, cs);
914
		Search.find(plainText, text.searchText, whole, text.foundList);
9599 akron1 915
		res := text.foundList.count > 0
9902 akron1 916
	ELSE
917
		Search.close
9599 akron1 918
	END;
919
	CB.destroy(plainText);
920
	CB.destroy(idxData);
921
	text.search := FALSE;
922
	text.foundSel := 0
923
	RETURN res
8728 leency 924
END search;
925
 
926
 
927
PROCEDURE modify (text: tText);
928
BEGIN
929
    text.modified := TRUE;
930
    text.comments := TRUE;
931
    text.search := TRUE;
9904 akron1 932
    text.guard := TRUE;
933
    text.wordSel := TRUE
8728 leency 934
END modify;
935
 
936
 
9336 akron1 937
PROCEDURE setEnc* (text: tText; enc: INTEGER);
938
BEGIN
939
	IF text.enc # enc THEN
940
		ChangeLog.changeInt(text.enc, enc);
941
		text.enc := enc;
942
		modify(text)
943
	END
944
END setEnc;
945
 
946
 
947
PROCEDURE setEol* (text: tText; eol: INTEGER);
948
BEGIN
949
	IF text.eol # eol THEN
950
		ChangeLog.changeInt(text.eol, eol);
951
		text.eol := eol;
952
		modify(text)
953
	END
954
END setEol;
955
 
956
 
957
PROCEDURE getEnc* (text: tText): INTEGER;
958
	RETURN text.enc
959
END getEnc;
960
 
961
 
962
PROCEDURE getEol* (text: tText): INTEGER;
963
	RETURN text.eol
964
END getEol;
965
 
966
 
8728 leency 967
PROCEDURE DelLine (text: tText; line: tLine);
968
BEGIN
969
    List._delete(text, line);
970
    Lines.destroy(line);
971
    modify(text)
972
END DelLine;
973
 
974
 
975
PROCEDURE setSelect (text: tText);
976
BEGIN
977
    IF text.select = text.cursor THEN
978
        text.select2^ := text.cursor^;
979
        text.select := text.select2
980
    END
981
END setSelect;
982
 
983
 
984
PROCEDURE resetSelect* (text: tText);
985
BEGIN
986
    text.select := text.cursor
987
END resetSelect;
988
 
989
 
990
PROCEDURE getLine (text: tText; n: INTEGER): tLine;
991
VAR
9668 akron1 992
	item: List.tItem;
8728 leency 993
BEGIN
9668 akron1 994
	item := List.getItem(text, n)
995
	RETURN item(tLine)
8728 leency 996
END getLine;
997
 
998
 
999
PROCEDURE SetPos* (text: tText; x, y: INTEGER);
1000
VAR
9174 akron1 1001
    deltaY, n, L, R: INTEGER;
8728 leency 1002
    cursor: pPoint;
9174 akron1 1003
    c: WCHAR;
8728 leency 1004
   (* trimLength: INTEGER; *)
1005
BEGIN
1006
    cursor := text.cursor;
1007
    y := MIN(MAX(y, 0), text.count - 1);
1008
    deltaY := y - cursor.Y;
1009
    IF deltaY # 0 THEN
1010
        cursor.Y := y;
1011
(*        trimLength := Lines.trimLength(text.curLine);
1012
        IF text.curLine.length # trimLength THEN
1013
            Lines.setChar(text.curLine, trimLength, 0X);
1014
            text.curLine.length := trimLength
1015
        END;*)
1016
        IF deltaY = 1 THEN
1017
            NextLine(text.curLine)
1018
        ELSIF deltaY = -1 THEN
1019
            PrevLine(text.curLine)
1020
        ELSE
1021
            text.curLine := getLine(text, y)
1022
        END
1023
    END;
1024
    cursor.X := MIN(MAX(x, 0), text.curLine.length);
9659 akron1 1025
    c := Lines.getChar(text.curLine, cursor.X);
9174 akron1 1026
    IF c = TAB1 THEN
1027
        n := cursor.X;
9659 akron1 1028
        WHILE Lines.getChar(text.curLine, n) = TAB1 DO
9174 akron1 1029
            INC(n)
1030
        END;
1031
        R := n - cursor.X;
1032
        n := cursor.X;
9659 akron1 1033
        WHILE Lines.getChar(text.curLine, n) # TAB DO
9174 akron1 1034
            DEC(n)
1035
        END;
1036
        L := cursor.X - n;
1037
        IF L < R THEN
1038
            DEC(cursor.X, L)
1039
        ELSE
1040
            INC(cursor.X, R)
1041
        END
1042
    END;
8728 leency 1043
    IF text.scroll.Y > cursor.Y THEN
1044
        text.scroll.Y := cursor.Y
1045
    ELSIF text.scroll.Y + textsize.Y <= cursor.Y THEN
1046
        text.scroll.Y := cursor.Y - textsize.Y + 1
1047
    END;
1048
    IF text.scroll.X > cursor.X THEN
1049
        text.scroll.X := cursor.X
1050
    ELSIF text.scroll.X + textsize.X <= cursor.X THEN
1051
        text.scroll.X := cursor.X - textsize.X + 1
1052
    END;
1053
    IF (text.select.Y = cursor.Y) & (text.select.X > text.curLine.length) THEN
1054
        text.select.X := text.curLine.length
1055
    END;
1056
    setSelect(text);
1057
    text.foundSel := 0;
1058
    ShowCursor;
9904 akron1 1059
    text.CurX := -1;
1060
    text.wordSel := TRUE
8728 leency 1061
END SetPos;
1062
 
1063
 
1064
PROCEDURE getSelect (text: tText; VAR selBeg, selEnd: tPoint);
1065
BEGIN
1066
    selBeg := text.cursor^;
1067
    selEnd := text.select^;
1068
    IF (selBeg.Y > selEnd.Y) OR (selBeg.Y = selEnd.Y) & (selBeg.X > selEnd.X) THEN
1069
        selBeg := text.select^;
1070
        selEnd := text.cursor^
1071
    END
1072
END getSelect;
1073
 
1074
 
1075
PROCEDURE selected* (text: tText): BOOLEAN;
1076
    RETURN (text.cursor.X # text.select.X) OR (text.cursor.Y # text.select.Y)
1077
END selected;
1078
 
1079
 
1080
PROCEDURE delSelect (text: tText);
1081
VAR
1082
    selBeg, selEnd: tPoint;
1083
    line, last, cur: tLine;
1084
BEGIN
1085
    getSelect(text, selBeg, selEnd);
1086
    IF (selBeg.Y = selEnd.Y) & (selBeg.X < selEnd.X) THEN
1087
        line := text.curLine;
1088
        Lines.delCharN(line, selBeg.X, selEnd.X - selBeg.X);
1089
        Lines.modify(line);
1090
        text.cursor^ := selBeg;
1091
        resetSelect(text);
1092
        SetPos(text, text.cursor.X, text.cursor.Y);
1093
        modify(text)
1094
    ELSIF selBeg.Y < selEnd.Y THEN
1095
        SetPos(text, selBeg.X, selBeg.Y);
1096
        line := text.curLine;
1097
        Lines.delCharN(line, selBeg.X, line.length - selBeg.X);
1098
        last := getLine(text, selEnd.Y);
1099
        Lines.delCharN(last, 0, selEnd.X);
1100
        cur := line.next(tLine);
1101
        WHILE cur # last DO
1102
            DelLine(text, cur);
1103
            cur := line.next(tLine)
1104
        END;
1105
        resetSelect(text);
1106
        SetPos(text, text.cursor.X, text.cursor.Y);
1107
        pdelete(text);
1108
        modify(text)
1109
    END;
1110
    resetSelect(text)
1111
END delSelect;
1112
 
1113
 
1114
PROCEDURE delete (text: tText);
1115
VAR
9174 akron1 1116
    i, n: INTEGER;
8728 leency 1117
    nextLine, curLine: tLine;
1118
BEGIN
1119
    IF selected(text) THEN
1120
        delSelect(text)
1121
    ELSE
1122
        i := text.cursor.X;
1123
        curLine := text.curLine;
1124
        IF i < curLine.length THEN
9174 akron1 1125
            n := i;
1126
            INC(i);
9659 akron1 1127
            IF Lines.getChar(curLine, i - 1) = TAB THEN
1128
                WHILE Lines.getChar(curLine, i) = TAB1 DO
9174 akron1 1129
                    INC(i)
1130
                END
1131
            END;
1132
            Lines.delCharN(curLine, n, i - n);
8728 leency 1133
            Lines.modify(curLine);
1134
            modify(text)
1135
        ELSE
1136
            nextLine := curLine.next(tLine);
1137
            IF nextLine # NIL THEN
9174 akron1 1138
                Lines.insert2(curLine, i, nextLine);
1139
                DelLine(text, nextLine);
8728 leency 1140
                Lines.modify(curLine);
9174 akron1 1141
                modify(text)
8728 leency 1142
            END
1143
        END
1144
    END;
1145
    setSelect(text)
1146
END delete;
1147
 
1148
 
9174 akron1 1149
PROCEDURE move (text: tText; d: INTEGER);
1150
VAR
1151
    pos: INTEGER;
1152
BEGIN
1153
    pos := text.cursor.X + d;
9659 akron1 1154
    WHILE Lines.getChar(text.curLine, pos) = TAB1 DO
9174 akron1 1155
        INC(pos, d)
1156
    END;
1157
    SetPos(text, pos, text.cursor.Y)
1158
END move;
1159
 
1160
 
8728 leency 1161
PROCEDURE BkSpace (text: tText);
1162
VAR
9174 akron1 1163
    i, k, n: INTEGER;
1164
    curLine, line, line2: tLine;
8728 leency 1165
BEGIN
1166
    IF selected(text) THEN
1167
        delSelect(text)
1168
    ELSE
1169
        resetSelect(text);
1170
        curLine := text.curLine;
9174 akron1 1171
        IF text.cursor.X > 0 THEN
9668 akron1 1172
        	INC(text.smallChange);
9174 akron1 1173
            i := text.cursor.X;
9671 akron1 1174
            IF autoIndents THEN
1175
	            n := leadingSpaces(curLine)
1176
            ELSE
1177
    	        n := 0
1178
            END;
9175 akron1 1179
            modify(text);
8728 leency 1180
            IF n < i THEN
9174 akron1 1181
                move(text, -1);
1182
                delete(text)
8728 leency 1183
            ELSE
1184
                n := i;
1185
                line := curLine.prev(tLine);
9174 akron1 1186
                line2 := line;
8728 leency 1187
                k := n;
1188
                WHILE (line # NIL) & (k >= n) DO
1189
                    IF Lines.trimLength(line) # 0 THEN
9174 akron1 1190
                        k := leadingSpaces(line);
1191
                        line2 := line;
8728 leency 1192
                    END;
1193
                    PrevLine(line)
1194
                END;
1195
                IF k >= n THEN
1196
                    k := 0
1197
                END;
9174 akron1 1198
                n := k;
1199
                Lines.delCharN(curLine, 0, i);
1200
                Lines.insert3(curLine, 0, k);
1201
                WHILE k > 0 DO
9659 akron1 1202
                    Lines.setChar(curLine, k - 1, Lines.getChar(line2, k - 1));
9174 akron1 1203
                    DEC(k)
1204
                END;
8728 leency 1205
                Lines.modify(curLine);
9174 akron1 1206
                SetPos(text, n, text.cursor.Y)
1207
            END
8728 leency 1208
        ELSE
1209
            PrevLine(curLine);
1210
            IF curLine # NIL THEN
1211
                SetPos(text, curLine.length, text.cursor.Y - 1);
1212
                delete(text)
1213
            END
1214
        END
1215
    END;
1216
    setSelect(text)
1217
END BkSpace;
1218
 
1219
 
1220
PROCEDURE enter (text: tText);
1221
VAR
1222
    n: INTEGER;
9174 akron1 1223
    curLine, newLine, line, line2: tLine;
8728 leency 1224
BEGIN
1225
    delSelect(text);
1226
    newLine := Lines.create(FALSE);
1227
    modify(text);
1228
    curLine := text.curLine;
1229
    IF text.cursor.X < curLine.length THEN
9174 akron1 1230
        Lines.wrap(curLine, newLine, text.cursor.X);
1231
        Lines.modify(curLine)
8728 leency 1232
    END;
1233
    List._insert(text, curLine, newLine);
1234
    SetPos(text, 0, text.cursor.Y + 1);
1235
    line := text.curLine.prev(tLine);
1236
    n := -1;
9671 akron1 1237
    WHILE (line # NIL) & (n = -1) & autoIndents DO
8728 leency 1238
        IF (*line.length*)Lines.trimLength(line) # 0 THEN
9174 akron1 1239
            n := leadingSpaces(line);
1240
            line2 := line
8728 leency 1241
        END;
1242
        PrevLine(line)
1243
    END;
1244
    IF n = -1 THEN
1245
        n := 0
1246
    END;
1247
    Lines.insert3(text.curLine, 0, n);
1248
    SetPos(text, n, text.cursor.Y);
1249
    resetSelect(text);
1250
    WHILE n > 0 DO
9659 akron1 1251
        Lines.setChar(text.curLine, n - 1, Lines.getChar(line2, n - 1));
8728 leency 1252
        DEC(n)
9174 akron1 1253
    END;
9835 akron1 1254
    Lines.modify(newLine);
1255
    SetPos(text, text.cursor.X, text.cursor.Y)
8728 leency 1256
END enter;
1257
 
1258
 
9174 akron1 1259
PROCEDURE incIndent (line: tLine);
1260
VAR
1261
	c: WCHAR;
1262
	i: INTEGER;
1263
BEGIN
1264
	Lines.modify(line);
1265
	Lines.insert3(line, 0, Lines.tab);
1266
	IF Lines.tabs THEN
1267
		c := TAB1
1268
	ELSE
1269
		c := SPACE
1270
	END;
1271
	i := Lines.tab - 1;
1272
	WHILE i >= 0 DO
1273
		Lines.setChar(line, i, c);
1274
		DEC(i)
1275
	END;
1276
	IF Lines.tabs THEN
1277
		Lines.setChar(line, 0, TAB)
1278
	END
1279
END incIndent;
1280
 
1281
 
1282
PROCEDURE decIndent (line: tLine): BOOLEAN;
1283
VAR
1284
	n: INTEGER;
1285
BEGIN
1286
	n := leadingSpaces(line);
1287
	IF n > 0 THEN
1288
		Lines.delCharN(line, 0, MIN(Lines.tab, n));
1289
		Lines.modify(line)
1290
	END
1291
	RETURN n > 0
1292
END decIndent;
1293
 
1294
 
1295
PROCEDURE Indent* (text: tText; incr: BOOLEAN);
1296
VAR
1297
    i: INTEGER;
1298
    line: tLine;
1299
    selBeg, selEnd: tPoint;
1300
    modified: BOOLEAN;
1301
BEGIN
1302
	getSelect(text, selBeg, selEnd);
1303
	i := selEnd.Y - selBeg.Y + 1;
9668 akron1 1304
	line := getLine2(text, selBeg.Y);
9174 akron1 1305
	modified := incr;
1306
	WHILE i > 0 DO
1307
		IF incr THEN
1308
			incIndent(line)
1309
		ELSE
1310
    		modified := decIndent(line) OR modified
1311
		END;
1312
		NextLine(line);
1313
		DEC(i)
1314
	END;
9668 akron1 1315
	line := getLine2(text, selEnd.Y);
9174 akron1 1316
	text.select^ := selBeg;
1317
	text.select.X := 0;
1318
	SetPos(text, line.length, selEnd.Y);
1319
	IF modified THEN
9668 akron1 1320
		INC(text.smallChange);
9174 akron1 1321
   		modify(text)
1322
	END
1323
END Indent;
1324
 
1325
 
8728 leency 1326
PROCEDURE input* (text: tText; code: INTEGER);
1327
VAR
1328
    curLine: tLine;
1329
 
9174 akron1 1330
 
8728 leency 1331
    PROCEDURE tab (text: tText);
1332
    VAR
1333
        i, x: INTEGER;
1334
        curLine: tLine;
9174 akron1 1335
        c: WCHAR;
8728 leency 1336
    BEGIN
9174 akron1 1337
		delSelect(text);
1338
		curLine := text.curLine;
1339
		x := text.cursor.X;
1340
		i := Lines.tab - x MOD Lines.tab;
1341
		Lines.insert3(curLine, x, i);
1342
		SetPos(text, x + i, text.cursor.Y);
1343
		IF Lines.tabs THEN
1344
			c := TAB1
1345
		ELSE
1346
			c := SPACE
1347
		END;
1348
		WHILE i > 0 DO
1349
			Lines.setChar(curLine, x + i - 1, c);
1350
			DEC(i)
1351
		END;
1352
		IF Lines.tabs THEN
1353
			Lines.setChar(curLine, x + i, TAB)
1354
		END;
1355
		Lines.modify(curLine);
1356
		modify(text)
8728 leency 1357
    END tab;
1358
 
9174 akron1 1359
 
8728 leency 1360
BEGIN
1361
    IF (code >= ORD(SPACE)) & (code # 127) THEN
9668 akron1 1362
    	IF ~selected(text) THEN
1363
    		INC(text.smallChange)
1364
    	END;
8728 leency 1365
        delSelect(text);
1366
        curLine := text.curLine;
1367
        Lines.insert(curLine, text.cursor.X, WCHR(code));
9671 akron1 1368
        IF autoBrackets THEN
1369
        	IF code = ORD("(") THEN
1370
        		code := ORD(")")
1371
        	ELSIF code = ORD("[") THEN
1372
        		code := ORD("]")
1373
        	ELSIF code = ORD("{") THEN
1374
        		code := ORD("}")
1375
        	ELSE
1376
        		code := -1
1377
        	END;
1378
        	IF code # -1 THEN
1379
        		Lines.insert(curLine, text.cursor.X + 1, WCHR(code))
1380
        	END
1381
        END;
8728 leency 1382
        Lines.modify(curLine);
1383
        modify(text);
1384
        SetPos(text, text.cursor.X + 1, text.cursor.Y)
1385
    ELSIF code = 8 THEN
9174 akron1 1386
		BkSpace(text)
1387
    ELSIF code = -8 THEN
1388
    	IF selected(text) THEN
1389
    		Indent(text, FALSE)
1390
        END
8728 leency 1391
    ELSIF code = 9 THEN
9174 akron1 1392
    	IF selected(text) THEN
1393
    		Indent(text, TRUE)
1394
    	ELSE
9668 akron1 1395
    		INC(text.smallChange);
9174 akron1 1396
	        tab(text)
1397
        END
8728 leency 1398
    ELSIF code = 13 THEN
1399
        enter(text)
1400
    END
1401
END input;
1402
 
1403
 
1404
PROCEDURE scroll* (text: tText; h, v: INTEGER);
1405
BEGIN
1406
    INC(text.scroll.X, h);
1407
    INC(text.scroll.Y, v);
9050 leency 1408
    text.scroll.X := MIN(MAX(text.scroll.X, 0), text.maxLength);
8728 leency 1409
    text.scroll.Y := MIN(MAX(text.scroll.Y, 0), text.count - 1)
1410
END scroll;
1411
 
1412
 
9180 akron1 1413
PROCEDURE save* (text: tText; name: RW.tFileName): BOOLEAN;
9073 leency 1414
CONST
1415
    tempFile = "/tmp0/1/cedit~.tmp";
8728 leency 1416
VAR
1417
    line: tLine;
1418
    file: RW.tOutput;
1419
    res: BOOLEAN;
9671 akron1 1420
    Len: INTEGER;
8728 leency 1421
BEGIN
9073 leency 1422
    ChangeLog.setGuard(text.edition);
9180 akron1 1423
    file := RW.create(tempFile, text.enc, text.eol);
8728 leency 1424
    IF file # NIL THEN
9073 leency 1425
        ChangeLog.delSaved;
8728 leency 1426
        line := text.first(tLine);
9522 akron1 1427
        WHILE line # NIL DO
9671 akron1 1428
        	IF trimSpace THEN
1429
        		Len := Lines.trimLength(line)
1430
        	ELSE
1431
        		Len := line.length
1432
        	END;
1433
            RW.putString(file, line, Len);
8728 leency 1434
            NextLine(line);
1435
            IF line # NIL THEN
9522 akron1 1436
                RW.newLine(file)
8728 leency 1437
            END
1438
        END;
9522 akron1 1439
        res := RW.close(file)
8728 leency 1440
    ELSE
1441
        res := FALSE
1442
    END;
9073 leency 1443
    IF res THEN
1444
        res := File.Copy(tempFile, name);
1445
        IF res THEN
1446
            text.modified := FALSE;
1447
            ChangeLog.save(text.edition);
9452 akron1 1448
 
1449
	        line := text.first(tLine);
1450
	        WHILE line # NIL DO
1451
	            IF line.modified THEN
1452
	                Lines.save(line)
1453
	            END;
1454
	            NextLine(line)
9522 akron1 1455
	        END
9073 leency 1456
        END
1457
    END;
9522 akron1 1458
    IF File.Delete(tempFile) THEN END;
9073 leency 1459
    IF ~res THEN
1460
        ChangeLog.delCurSaved
1461
    END
8728 leency 1462
    RETURN res
1463
END save;
1464
 
1465
 
1466
PROCEDURE redoGuard (text: tText; guard: tGuard);
1467
BEGIN
1468
    text.edition := guard;
1469
    text.cursor^ := guard.cursor;
1470
    text.select2^ := guard.select2;
1471
    text.scroll := guard.scroll;
1472
    text.CurX := guard.CurX;
1473
    IF guard.selected THEN
1474
        text.select := text.select2
1475
    ELSE
1476
        text.select := text.cursor
1477
    END;
1478
    text.curLine := getLine(text, text.cursor.Y);
1479
    text.comments := TRUE;
1480
    text.search := TRUE
1481
END redoGuard;
1482
 
1483
 
1484
PROCEDURE undo* (text: tText);
1485
VAR
1486
    item: List.tItem;
1487
    guard: tGuard;
1488
BEGIN
1489
    guard := text.edition;
1490
    item := guard.prev;
1491
    WHILE (item # NIL) & ~(item IS tGuard) DO
1492
        item := item.prev
1493
    END;
1494
 
1495
    IF item # NIL THEN
1496
        guard := item(tGuard);
9073 leency 1497
        text.edition := guard
8728 leency 1498
    END;
1499
 
9050 leency 1500
    item := ChangeLog.CL.Log.first;
8728 leency 1501
    WHILE item # guard DO
1502
        ChangeLog.redo(item);
1503
        item := item.next
1504
    END;
1505
    redoGuard(text, guard);
9073 leency 1506
    ChangeLog.setGuard(guard);
9174 akron1 1507
    text.modified := ~guard.saved;
1508
    ShowCursor
8728 leency 1509
END undo;
1510
 
1511
 
1512
PROCEDURE redo* (text: tText);
1513
VAR
1514
    item: List.tItem;
1515
    guard: tGuard;
1516
BEGIN
1517
    guard := text.edition;
1518
    item := guard.next;
1519
    WHILE (item # NIL) & ~(item IS tGuard) DO
1520
        ChangeLog.redo(item);
1521
        item := item.next
1522
    END;
1523
    IF item # NIL THEN
1524
        guard := item(tGuard);
1525
        redoGuard(text, guard)
1526
    END;
9073 leency 1527
    ChangeLog.setGuard(guard);
9174 akron1 1528
    text.modified := ~guard.saved;
1529
    ShowCursor
8728 leency 1530
END redo;
1531
 
1532
 
9462 akron1 1533
PROCEDURE getSelCnt* (text: tText; VAR chars, lines: INTEGER);
1534
VAR
1535
	selBeg, selEnd: tPoint;
1536
	first, last, line: tLine;
1537
 
1538
	PROCEDURE charCnt (line: tLine; first, last: INTEGER): INTEGER;
1539
	VAR
1540
		i, res: INTEGER;
1541
	BEGIN
1542
		res := 0;
1543
		FOR i := first TO last DO
9659 akron1 1544
			IF Lines.getChar(line, i) # TAB1 THEN
9462 akron1 1545
				INC(res)
1546
			END
1547
		END
1548
		RETURN res
1549
	END charCnt;
1550
 
1551
BEGIN
1552
	IF selected(text) THEN
1553
		getSelect(text, selBeg, selEnd);
9668 akron1 1554
		first := getLine2(text, selBeg.Y);
1555
		last  := getLine2(text, selEnd.Y);
9462 akron1 1556
		lines := selEnd.Y - selBeg.Y + 1;
1557
 
1558
		IF lines > 1 THEN
1559
			chars := charCnt(first, selBeg.X, first.length - 1) + charCnt(last, 0, selEnd.X - 1) + lenEOL;
9659 akron1 1560
			line := first.next(tLine);
1561
			WHILE line # last DO
1562
				INC(chars, charCnt(line, 0, line.length - 1) + lenEOL);
1563
				NextLine(line)
1564
			END
9462 akron1 1565
		ELSE
9659 akron1 1566
			chars := charCnt(first, selBeg.X, selEnd.X - 1)
9462 akron1 1567
		END
1568
	ELSE
1569
		chars := 0;
1570
		lines := 0
1571
	END
1572
END getSelCnt;
1573
 
1574
 
8728 leency 1575
PROCEDURE copy (text: tText);
1576
VAR
1577
    selBeg, selEnd: tPoint;
1578
    first, line: tLine;
1579
    cnt, n: INTEGER;
1580
    buffer: CB.tBuffer;
1581
 
1582
 
1583
    PROCEDURE append (buffer: CB.tBuffer; line: tLine; first, last: INTEGER);
1584
    BEGIN
1585
        IF first <= last THEN
1586
            CB.append(buffer, line, first, last)
1587
        ELSE
1588
            IF U.OS = "KOS" THEN
1589
                CB.appends(buffer, SPACE, 0, 0)
1590
            END
1591
        END
1592
    END append;
1593
 
1594
 
1595
BEGIN
1596
    getSelect(text, selBeg, selEnd);
1597
 
9668 akron1 1598
    first := getLine2(text, selBeg.Y);
8728 leency 1599
    line := first;
1600
 
1601
    n := selEnd.Y - selBeg.Y;
1602
    cnt := 0;
1603
    WHILE n >= 0 DO
9457 akron1 1604
        INC(cnt, line.length + (lenEOL + ORD(U.OS = "KOS")));
8728 leency 1605
        NextLine(line);
1606
        DEC(n)
1607
    END;
1608
 
9599 akron1 1609
    buffer := CB.create(cnt + 2); (* +2 wchars EOT *)
8728 leency 1610
 
1611
    n := selEnd.Y - selBeg.Y;
1612
    line := first;
1613
    IF n = 0 THEN
9457 akron1 1614
        append(buffer, line, selBeg.X, selEnd.X - 1)
8728 leency 1615
    ELSE
1616
        append(buffer, line, selBeg.X, line.length - 1);
1617
        REPEAT
1618
            DEC(n);
1619
            CB.eol(buffer);
1620
            NextLine(line);
1621
            IF n > 0 THEN
1622
                append(buffer, line, 0, line.length - 1)
1623
            END
1624
        UNTIL n = 0;
1625
        append(buffer, line, 0, selEnd.X - 1)
1626
    END;
1627
    CB.eot(buffer);
1628
    CB.put(buffer);
1629
    CB.destroy(buffer)
1630
END copy;
1631
 
1632
 
1633
PROCEDURE paste (text: tText);
1634
VAR
1635
    line, newLine, curLine: tLine;
9174 akron1 1636
    w: INTEGER;
8728 leency 1637
    cliptext: RW.tInput;
1638
    eol: BOOLEAN;
1639
    cursor: pPoint;
9174 akron1 1640
 
1641
 
1642
    PROCEDURE lineWidth (line: tLine; pos: INTEGER): INTEGER;
1643
    VAR
1644
    	i, res: INTEGER;
1645
    	c: WCHAR;
1646
    BEGIN
1647
    	res := pos;
1648
    	i := 0;
1649
    	REPEAT
9659 akron1 1650
	    	c := Lines.getChar(line, i);
9174 akron1 1651
	    	IF c = TAB THEN
1652
	    		INC(res, Lines.tab - res MOD Lines.tab)
1653
	    	ELSIF c # TAB1 THEN
1654
	    		INC(res)
1655
	    	END;
1656
	    	INC(i)
1657
    	UNTIL c = 0X
1658
    	RETURN res - pos - 1
1659
    END lineWidth;
1660
 
1661
 
8728 leency 1662
BEGIN
1663
    line := Lines.create(TRUE);
1664
    cliptext := RW.clipboard();
1665
    delSelect(text);
1666
    cursor := text.cursor;
9174 akron1 1667
    WHILE (cliptext # NIL) & (RW.getString(cliptext, line, Lines.tabs, eol) >= 0) DO
1668
        IF line.length > 0 THEN
1669
        	w := lineWidth(line, cursor.X);
8728 leency 1670
            Lines.insert2(text.curLine, cursor.X, line);
1671
            Lines.modify(text.curLine);
1672
            modify(text);
9174 akron1 1673
            SetPos(text, cursor.X + w, cursor.Y);
8728 leency 1674
            resetSelect(text)
1675
        END;
1676
        IF eol THEN
1677
            newLine := Lines.create(FALSE);
1678
            modify(text);
1679
            curLine := text.curLine;
1680
            IF cursor.X < curLine.length THEN
9174 akron1 1681
                Lines.wrap(curLine, newLine, cursor.X);
1682
                Lines.modify(curLine)
8728 leency 1683
            END;
1684
            List._insert(text, curLine, newLine);
9174 akron1 1685
            Lines.modify(newLine);
8728 leency 1686
            SetPos(text, 0, cursor.Y + 1);
1687
            resetSelect(text)
1688
        END;
1689
        Lines.destroy(line);
1690
        line := Lines.create(TRUE)
1691
    END;
9818 akron1 1692
    SetPos(text, cursor.X, cursor.Y);
8728 leency 1693
    Lines.destroy(line);
1694
    RW.destroy(cliptext)
1695
END paste;
1696
 
1697
 
1698
PROCEDURE searchScroll (text: tText; n: INTEGER);
1699
BEGIN
1700
    IF n - text.scroll.Y > textsize.Y - 1 THEN
1701
        text.scroll.Y := MAX(n - 2 * textsize.Y DIV 3, 0)
1702
    ELSIF n < text.scroll.Y THEN
1703
        text.scroll.Y := MAX(n - textsize.Y DIV 3, 0)
1704
    END
1705
END searchScroll;
1706
 
1707
 
1708
PROCEDURE goto* (text: tText; n: INTEGER): BOOLEAN;
1709
VAR
1710
    res: BOOLEAN;
1711
BEGIN
1712
    DEC(n);
1713
    IF (0 <= n) & (n < text.count) THEN
1714
        resetSelect(text);
1715
        searchScroll(text, n);
1716
        SetPos(text, 0, n);
1717
        res := TRUE
1718
    ELSE
1719
        res := FALSE
1720
    END
1721
    RETURN res
1722
END goto;
1723
 
1724
 
9060 leency 1725
PROCEDURE toggleLabel* (text: tText);
1726
BEGIN
1727
    text.curLine.label := ~text.curLine.label
1728
END toggleLabel;
1729
 
1730
 
1731
PROCEDURE gotoLabel* (text: tText; frw: BOOLEAN);
1732
VAR
1733
    line: tLine;
1734
    n: INTEGER;
9073 leency 1735
 
1736
    PROCEDURE search (VAR line: tLine; VAR n: INTEGER; frw: BOOLEAN);
1737
    BEGIN
1738
        IF frw THEN
1739
            WHILE (line # NIL) & ~line.label DO
1740
                NextLine(line);
1741
                INC(n)
1742
            END
1743
        ELSE
1744
            WHILE (line # NIL) & ~line.label DO
1745
                PrevLine(line);
1746
                DEC(n)
1747
            END
1748
        END
1749
    END search;
1750
 
9060 leency 1751
BEGIN
1752
    n := text.cursor.Y;
1753
    line := text.curLine;
1754
    IF frw THEN
9073 leency 1755
        NextLine(line);
1756
        INC(n)
9060 leency 1757
    ELSE
9073 leency 1758
        PrevLine(line);
1759
        DEC(n)
9060 leency 1760
    END;
9073 leency 1761
    search(line, n, frw);
1762
    IF line = NIL THEN
1763
        IF frw THEN
1764
            n := 0;
1765
            line := text.first(tLine)
1766
        ELSE
1767
            n := text.count - 1;
1768
            line := text.last(tLine)
1769
        END;
1770
        search(line, n, frw)
1771
    END;
9060 leency 1772
    IF line # NIL THEN
1773
        IF goto(text, n + 1) THEN END
1774
    END
1775
END gotoLabel;
1776
 
1777
 
8728 leency 1778
PROCEDURE changeCase (text: tText; upper: BOOLEAN);
1779
VAR
1780
    i: INTEGER;
1781
    line: tLine;
9674 akron1 1782
    func: Lines.fConvert;
8728 leency 1783
BEGIN
1784
    line := text.curLine;
1785
    i := text.cursor.X - 1;
1786
 
9659 akron1 1787
    WHILE (i >= 0) & U.isLetter(Lines.getChar(line, i)) DO
8728 leency 1788
        DEC(i)
1789
    END;
1790
 
9674 akron1 1791
    IF upper THEN
9903 akron1 1792
    	func := U.upper
9674 akron1 1793
    ELSE
9903 akron1 1794
    	func := U.lower
9674 akron1 1795
    END;
1796
 
1797
    IF Lines.convert(line, i + 1, text.cursor.X - 1, func) THEN
9668 akron1 1798
    	INC(text.smallChange);
8728 leency 1799
        modify(text)
1800
    END
1801
END changeCase;
1802
 
1803
 
1804
PROCEDURE chCase* (text: tText; upper: BOOLEAN);
1805
VAR
1806
    selBeg, selEnd: tPoint;
1807
    first, line: Lines.tLine;
1808
    cnt: INTEGER;
9674 akron1 1809
    func: Lines.fConvert;
8728 leency 1810
    modified: BOOLEAN;
1811
BEGIN
1812
    modified := FALSE;
1813
    IF selected(text) THEN
1814
        getSelect(text, selBeg, selEnd);
9668 akron1 1815
        first := getLine2(text, selBeg.Y);
8728 leency 1816
        line := first;
1817
        cnt := selEnd.Y - selBeg.Y;
9674 akron1 1818
 
1819
	    IF upper THEN
9903 akron1 1820
	    	func := U.upper
9674 akron1 1821
	    ELSE
9903 akron1 1822
	    	func := U.lower
9674 akron1 1823
	    END;
1824
 
8728 leency 1825
        IF cnt = 0 THEN
9674 akron1 1826
            IF Lines.convert(line, selBeg.X, selEnd.X - 1, func) THEN
8728 leency 1827
                modified := TRUE
1828
            END
1829
        ELSE
9674 akron1 1830
            IF Lines.convert(line, selBeg.X, line.length - 1, func) THEN
8728 leency 1831
                modified := TRUE
1832
            END;
1833
            WHILE cnt > 1 DO
1834
                NextLine(line);
9674 akron1 1835
                IF Lines.convert(line, 0, line.length - 1, func) THEN
8728 leency 1836
                    modified := TRUE
1837
                END;
1838
                DEC(cnt)
1839
            END;
1840
            NextLine(line);
9674 akron1 1841
            IF Lines.convert(line, 0, selEnd.X - 1, func) THEN
8728 leency 1842
                modified := TRUE
1843
            END
1844
        END
1845
    END;
1846
    IF modified THEN
9668 akron1 1847
    	INC(text.smallChange);
8728 leency 1848
        modify(text)
1849
    END
1850
END chCase;
1851
 
1852
 
1853
PROCEDURE UpDown (text: tText; step: INTEGER);
1854
VAR
1855
    temp: INTEGER;
1856
BEGIN
1857
    IF text.CurX = -1 THEN
1858
        text.CurX := text.cursor.X
1859
    END;
1860
    temp := text.CurX;
1861
    SetPos(text, temp, text.cursor.Y + step);
1862
    text.CurX := temp
1863
END UpDown;
1864
 
1865
 
1866
PROCEDURE delLine* (text: tText);
1867
BEGIN
9668 akron1 1868
	text.smallChange := 2;
8728 leency 1869
    resetSelect(text);
1870
    IF text.curLine.length > 0 THEN
1871
        Lines.delCharN(text.curLine, 0, text.curLine.length)
1872
    END;
1873
    SetPos(text, 0, text.cursor.Y);
1874
    IF text.cursor.Y = text.count - 1 THEN
1875
        BkSpace(text)
1876
    ELSE
1877
        delete(text)
1878
    END
1879
END delLine;
1880
 
1881
 
9174 akron1 1882
PROCEDURE dupLine* (text: tText);
9010 leency 1883
VAR
1884
    newLine, curLine: tLine;
1885
BEGIN
1886
    curLine := text.curLine;
1887
    newLine := Lines.create(FALSE);
1888
    modify(text);
1889
    Lines.insert3(newLine, 0, curLine.length);
1890
    List._insert(text, curLine, newLine);
9174 akron1 1891
    Lines.move(curLine, newLine);
1892
    Lines.modify(newLine)
9010 leency 1893
END dupLine;
1894
 
1895
 
9413 akron1 1896
PROCEDURE MoveLines* (text: tText; down: BOOLEAN);
1897
VAR
9560 akron1 1898
	last, first, line: tLine;
9413 akron1 1899
	selBeg, selEnd, temp: tPoint;
9560 akron1 1900
	step: INTEGER;
9413 akron1 1901
	frw: BOOLEAN;
1902
BEGIN
1903
	getSelect(text, selBeg, selEnd);
9560 akron1 1904
	IF ((selBeg.Y > 0) & ~down OR (selEnd.Y < text.count - 1) & down) THEN
1905
		modify(text);
1906
		step := ORD(down)*2 - 1;
1907
		IF selBeg.Y # selEnd.Y THEN
1908
			frw := (text.cursor.X = selEnd.X) & (text.cursor.Y = selEnd.Y);
1909
 
9413 akron1 1910
			IF down # frw THEN
1911
				temp := text.cursor^;
1912
				SetPos(text, 0, text.select.Y);
1913
				setSelect(text);
1914
				text.select^ := temp
1915
			END;
9560 akron1 1916
 
1917
			ASSERT(selBeg.Y < selEnd.Y);
1918
 
1919
			first := getLine(text, selBeg.Y);
9413 akron1 1920
			last := getLine(text, selEnd.Y);
9560 akron1 1921
 
1922
			line := first;
1923
			Lines.modify(line);
1924
			REPEAT
1925
				NextLine(line);
1926
				Lines.modify(line)
1927
			UNTIL line = last;
1928
 
1929
			IF down THEN
1930
				text.curLine := last.prev(tLine)
1931
			ELSE
1932
				text.curLine := first.next(tLine)
1933
			END;
9413 akron1 1934
			selBeg.X := 0;
1935
			selEnd.X := last.length;
9560 akron1 1936
			IF down THEN
1937
				last := last.next(tLine);
1938
				List._delete(text, last);
1939
				List._insert(text, first.prev, last)
1940
			ELSE
1941
				first := first.prev(tLine);
1942
				List._delete(text, first);
1943
				List._insert(text, last, first)
1944
			END;
1945
			IF down THEN
1946
				temp := selBeg;
1947
				selBeg := selEnd;
1948
				selEnd := temp;
1949
			END;
1950
			SetPos(text, selBeg.X, selBeg.Y + step);
1951
			setSelect(text);
1952
			text.select.X := selEnd.X;
1953
			text.select.Y := selEnd.Y + step
9413 akron1 1954
		ELSE
9560 akron1 1955
			first := getLine(text, selBeg.Y);
1956
			Lines.modify(first);
1957
			IF down THEN
1958
				last := first.next(tLine)
1959
			ELSE
1960
				last := first.prev.prev(tLine)
1961
			END;
1962
			List._delete(text, first);
1963
			List._insert(text, last, first);
1964
			INC(text.cursor.Y, step);
1965
			INC(text.select.Y, step);
1966
			SetPos(text, text.cursor.X, text.cursor.Y)
1967
		END
9413 akron1 1968
	END
1969
END MoveLines;
1970
 
1971
 
9010 leency 1972
PROCEDURE isWordChar (c: WCHAR): BOOLEAN;
1973
    RETURN U.isLetter(c) OR U.isDigit(c) OR (c = "_")
1974
END isWordChar;
1975
 
1976
 
9197 akron1 1977
PROCEDURE getSelectedText* (text: tText; VAR s: ARRAY OF WCHAR);
1978
VAR
1979
    n: INTEGER;
1980
    selBeg, selEnd: tPoint;
1981
BEGIN
1982
	s[0] := 0X;
1983
    IF selected(text) & (text.cursor.Y = text.select.Y) THEN
1984
        getSelect(text, selBeg, selEnd);
1985
        n := getString(text.curLine, selBeg.X, selEnd.X - selBeg.X, s)
1986
    END
1987
END getSelectedText;
1988
 
1989
 
9010 leency 1990
PROCEDURE wordSel* (text: tText);
1991
VAR
1992
    n, i, x1, x2: INTEGER;
1993
    selBeg, selEnd: tPoint;
1994
    str: tString;
1995
    curLine: tLine;
1996
BEGIN
9904 akron1 1997
	IF text.wordSel THEN
1998
	    curLine := text.curLine;
1999
	    IF selected(text) & (text.cursor.Y = text.select.Y) THEN
2000
	        getSelect(text, selBeg, selEnd);
2001
	        x1 := selBeg.X;
2002
	        x2 := selEnd.X;
2003
	        n := getString(curLine, x1, x2 - x1, str);
2004
	    ELSE
2005
	        str := ""
2006
	    END;
2007
	    IF str # "" THEN
2008
	        i := 0;
2009
	        WHILE (i < n) & isWordChar(str[i]) DO
2010
	            INC(i)
2011
	        END;
2012
	        IF (i # n) OR
2013
	            ((x1 > 0) & isWordChar(Lines.getChar(curLine, x1 - 1))) OR
2014
	            ((x2 < curLine.length) & isWordChar(Lines.getChar(curLine, x2))) THEN
2015
	            str := ""
2016
	        END
2017
	    END;
2018
	    IF text.searchText # str THEN
2019
	    	text.smallMove := FALSE
2020
	    END;
2021
	    IF search(text, str, Lang.isCS(text.lang), TRUE) THEN END;
2022
	    text.wordSel := FALSE
2023
    END
9010 leency 2024
END wordSel;
2025
 
2026
 
9336 akron1 2027
PROCEDURE getWordPos (line: tLine; pos: INTEGER): INTEGER;
2028
VAR
2029
	c: WCHAR;
2030
BEGIN
9659 akron1 2031
	c := Lines.getChar(line, pos);
9336 akron1 2032
	IF isWordChar(c) THEN
9659 akron1 2033
		WHILE (pos < line.length) & isWordChar(Lines.getChar(line, pos)) DO
9336 akron1 2034
			INC(pos)
2035
		END
2036
	ELSIF Lines.isSpace(c) THEN
9659 akron1 2037
		WHILE (pos < line.length) & Lines.isSpace(Lines.getChar(line, pos)) DO
9336 akron1 2038
			INC(pos)
2039
		END
2040
	ELSE
9659 akron1 2041
		WHILE (pos < line.length) & ~Lines.isSpace(Lines.getChar(line, pos)) & ~isWordChar(Lines.getChar(line, pos)) DO
9336 akron1 2042
			INC(pos)
2043
		END
2044
	END
2045
	RETURN pos
2046
END getWordPos;
2047
 
2048
 
9073 leency 2049
PROCEDURE key* (text: tText; code: INTEGER; shift, ctrl: BOOLEAN);
9174 akron1 2050
VAR
9336 akron1 2051
	n, wPos: INTEGER;
9668 akron1 2052
	scrX, scrY: INTEGER;
2053
	resSel: BOOLEAN;
8728 leency 2054
BEGIN
9668 akron1 2055
	resSel := FALSE;
9073 leency 2056
    IF shift THEN
8728 leency 2057
        setSelect(text)
2058
    ELSE
2059
        IF (33 <= code) & (code <= 40) THEN
9413 akron1 2060
        	IF ~(((code = 38) OR (code = 40)) & ctrl) THEN
9668 akron1 2061
        		resSel := selected(text);
9413 akron1 2062
	            resetSelect(text)
2063
            END
8728 leency 2064
        END
2065
    END;
2066
 
2067
    CASE code OF
2068
    |33:
9073 leency 2069
        IF ctrl THEN
8728 leency 2070
            UpDown(text, text.scroll.Y - text.cursor.Y)
2071
        ELSE
2072
            text.scroll.Y := MAX(text.scroll.Y - textsize.Y, 0);
2073
            UpDown(text, -textsize.Y)
2074
        END
2075
    |34:
9073 leency 2076
        IF ctrl THEN
8728 leency 2077
            UpDown(text, MIN(text.scroll.Y + textsize.Y - 1, text.count - 1) - text.cursor.Y)
2078
        ELSE
2079
            text.scroll.Y := MIN(text.scroll.Y + textsize.Y, text.count - 1);
2080
            UpDown(text, textsize.Y)
2081
        END
2082
    |35:
9073 leency 2083
        IF ctrl THEN
8728 leency 2084
            SetPos(text, text.last(tLine).length, text.count - 1)
2085
        ELSE
2086
            SetPos(text, text.curLine.length, text.cursor.Y)
2087
        END
2088
    |36:
9073 leency 2089
        IF ctrl THEN
8728 leency 2090
            SetPos(text, 0, 0)
2091
        ELSE
9174 akron1 2092
        	n := leadingSpaces(text.curLine);
9659 akron1 2093
        	IF text.cursor.X <= n THEN
2094
	            n := 0
2095
        	END;
2096
        	SetPos(text, n, text.cursor.Y)
8728 leency 2097
        END
2098
    |37:
2099
        IF (text.cursor.X = 0) & (text.curLine.prev # NIL) THEN
2100
            SetPos(text, text.curLine.prev(tLine).length, text.cursor.Y - 1)
2101
        ELSE
9668 akron1 2102
        	scrX := text.scroll.X;
2103
        	scrY := text.scroll.Y;
9336 akron1 2104
        	IF ctrl THEN
2105
        		wPos := 0;
2106
        		REPEAT
2107
        			n := wPos;
2108
        			wPos := getWordPos(text.curLine, wPos)
2109
        		UNTIL wPos >= text.cursor.X;
2110
				move(text, n - text.cursor.X)
2111
        	ELSE
2112
            	move(text, -1)
9668 akron1 2113
            END;
2114
            text.smallMove := (scrX = text.scroll.X) & (scrY = text.scroll.Y) & ~resSel
8728 leency 2115
        END
2116
    |38:
9073 leency 2117
        IF ctrl THEN
9413 akron1 2118
            MoveLines(text, FALSE)
9010 leency 2119
        ELSE
2120
            UpDown(text, -1)
2121
        END
8728 leency 2122
    |39:
2123
        IF (text.cursor.X = text.curLine.length) & (text.curLine.next # NIL) THEN
2124
            SetPos(text, 0, text.cursor.Y + 1)
2125
        ELSE
9668 akron1 2126
        	scrX := text.scroll.X;
2127
        	scrY := text.scroll.Y;
9336 akron1 2128
        	IF ctrl THEN
2129
				move(text, getWordPos(text.curLine, text.cursor.X) - text.cursor.X)
2130
        	ELSE
2131
            	move(text, 1)
9668 akron1 2132
        	END;
2133
        	text.smallMove := (scrX = text.scroll.X) & (scrY = text.scroll.Y) & ~resSel
8728 leency 2134
        END
2135
    |40:
9073 leency 2136
        IF ctrl THEN
9413 akron1 2137
            MoveLines(text, TRUE)
9010 leency 2138
        ELSE
2139
            UpDown(text, 1)
2140
        END
2141
    |46:
9073 leency 2142
        IF ctrl THEN
9010 leency 2143
            delLine(text)
2144
        ELSE
9668 akron1 2145
        	IF ~selected(text) & (text.cursor.X < text.curLine.length) THEN
2146
        		INC(text.smallChange)
2147
        	END;
9174 akron1 2148
            delete(text);
2149
            ShowCursor
9010 leency 2150
        END
9659 akron1 2151
    |ORD("C"), ORD("X"):
9073 leency 2152
        IF ctrl THEN
8728 leency 2153
            IF selected(text) THEN
2154
                copy(text);
9659 akron1 2155
                IF code = ORD("X") THEN
2156
                	delSelect(text)
2157
                END
8728 leency 2158
            END
2159
        END
2160
    |ORD("V"):
9073 leency 2161
        IF ctrl THEN
8728 leency 2162
            IF CB.available() THEN
2163
                paste(text)
2164
            END
2165
        END
2166
    |ORD("A"):
9073 leency 2167
        IF ctrl THEN
8728 leency 2168
            text.select2.X := 0;
2169
            text.select2.Y := 0;
2170
            text.select := text.select2;
2171
            SetPos(text, text.last(tLine).length, text.count - 1)
2172
        END
2173
    |ORD("L"), ORD("U"):
9073 leency 2174
        IF ctrl THEN
9174 akron1 2175
        	IF selected(text) THEN
2176
            	chCase(text, code = ORD("U"))
2177
            ELSE
2178
            	changeCase(text, code = ORD("U"))
2179
            END;
2180
            ShowCursor
8728 leency 2181
        END
9010 leency 2182
    |ORD("D"):
9073 leency 2183
        IF ctrl THEN
9010 leency 2184
            dupLine(text)
2185
        END
8728 leency 2186
    ELSE
2187
    END
2188
END key;
2189
 
2190
 
2191
PROCEDURE mouse* (text: tText; x, y: INTEGER);
2192
VAR
2193
    cursorX: INTEGER;
2194
BEGIN
2195
    DEC(x, padding.left);
2196
    DEC(y, padding.top);
2197
    cursorX := (x*2) DIV charWidth;
2198
    SetPos(text, cursorX DIV 2 + cursorX MOD 2 + text.scroll.X, y DIV charHeight + text.scroll.Y)
2199
END mouse;
2200
 
2201
 
2202
PROCEDURE selectWord* (text: tText);
2203
VAR
2204
    cursorX, x1, x2: INTEGER;
2205
    line: tLine;
2206
BEGIN
2207
    resetSelect(text);
2208
    cursorX := text.cursor.X;
2209
    line := text.curLine;
2210
    x1 := cursorX - 1;
9659 akron1 2211
    IF (cursorX < line.length) & isWordChar(Lines.getChar(line, cursorX)) THEN
8728 leency 2212
        x2 := cursorX;
9659 akron1 2213
        WHILE (x2 < line.length) & isWordChar(Lines.getChar(line, x2)) DO
8728 leency 2214
            INC(x2)
2215
        END
2216
    ELSE
9659 akron1 2217
        WHILE (x1 >= 0) & ~isWordChar(Lines.getChar(line, x1)) DO
8728 leency 2218
            DEC(x1)
2219
        END;
2220
        x2 := x1 + 1
2221
    END;
9659 akron1 2222
    WHILE (x1 >= 0) & isWordChar(Lines.getChar(line, x1)) DO
8728 leency 2223
        DEC(x1)
2224
    END;
2225
    INC(x1);
2226
    IF x1 < x2 THEN
2227
        SetPos(text, x1, text.cursor.Y);
2228
        setSelect(text);
2229
        SetPos(text, x2, text.cursor.Y)
2230
    END
2231
END selectWord;
2232
 
2233
 
9668 akron1 2234
PROCEDURE cursor* (text: tText);
8728 leency 2235
VAR
9295 akron1 2236
    x, y1, y2, scrollX, scrollY: INTEGER;
8728 leency 2237
    cursor: pPoint;
2238
BEGIN
9668 akron1 2239
	IF drawCursor THEN
2240
	    cursor := text.cursor;
2241
	    scrollX := text.scroll.X;
2242
	    scrollY := text.scroll.Y;
9892 akron1 2243
	    IF ~((scrollY > cursor.Y) OR (scrollY + textsize.Y + 1 <= cursor.Y) OR
9668 akron1 2244
	       (scrollX > cursor.X) OR (scrollX + textsize.X <= cursor.X)) THEN
2245
	        x := (cursor.X - scrollX)*charWidth + padding.left;
2246
	        y1 := (cursor.Y - scrollY)*charHeight + padding.top + (inter DIV 2 + 1);
2247
	        y2 := y1 + charHeight - (inter + 2);
2248
	        G.notVLine(canvas, x, y1, y2);
2249
	        G.notVLine(canvas, x - 1, y1, y2)
2250
	    END
8728 leency 2251
    END
2252
END cursor;
2253
 
2254
 
2255
PROCEDURE drawSelect (text: tText; line: tLine; selBeg, selEnd, y: INTEGER);
2256
VAR
2257
    Len, pos, x, firstCharIdx: INTEGER;
2258
BEGIN
2259
    firstCharIdx := MAX(text.scroll.X, selBeg);
2260
    Len := MAX(MIN(line.length - firstCharIdx, selEnd - firstCharIdx), 0);
2261
    Len := MIN(Len, textsize.X - pos + 1);
2262
    SetColor(colors.seltext, colors.selback);
2263
    pos := MAX((selBeg - text.scroll.X), 0);
2264
    x := pos*charWidth + padding.left;
2265
    G.SetColor(canvas, colors.selback);
9891 akron1 2266
    G.FillRect(canvas, x - 1, y - inter DIV 2, x + Len*charWidth, y - inter DIV 2 + charHeight);
9193 akron1 2267
    G.TextOut(canvas, pos*charWidth + padding.left, y, Lines.getPChar(line, firstCharIdx), Len, colors.seltext)
8728 leency 2268
END drawSelect;
2269
 
2270
 
2271
PROCEDURE mark (line: tLine; y: INTEGER);
2272
VAR
2273
    color, i: INTEGER;
2274
BEGIN
2275
    IF line.modified THEN
2276
        color := colors.modified
2277
    ELSIF line.saved THEN
2278
        color := colors.saved
2279
    ELSE
2280
        color := colors.back
2281
    END;
2282
    G.SetColor(canvas, color);
2283
 
2284
    FOR i := 3 TO mark_width + 2 DO
2285
        G.VLine(canvas, padding.left - i, y, y + charHeight)
2286
    END
2287
END mark;
2288
 
2289
 
2290
PROCEDURE setPadding (left, top: INTEGER);
2291
BEGIN
2292
    padding.left := left;
2293
    padding.top := top;
2294
    textsize.X := (size.X - padding.left) DIV charWidth;
2295
    textsize.Y := (size.Y - padding.top) DIV charHeight;
2296
END setPadding;
2297
 
2298
 
2299
PROCEDURE draw* (text: tText);
2300
VAR
9903 akron1 2301
    y, n, cnt, i, x, pos: INTEGER;
8728 leency 2302
    line, firstLine, lastLine: tLine;
2303
    selBeg, selEnd: tPoint;
2304
    s: ARRAY 12 OF WCHAR;
2305
    backColor, numWidth, xNum, wNum: INTEGER;
9903 akron1 2306
    guard: tGuard;
8728 leency 2307
    p: Search.tPos;
2308
BEGIN
9668 akron1 2309
    IF text.comments THEN
8728 leency 2310
        Comments(text)
2311
    END;
9668 akron1 2312
    IF text.search & search(text, text.searchText, text.cs, text.whole) THEN END;
8728 leency 2313
    IF text.guard THEN
2314
        NEW(guard);
9050 leency 2315
        List.append(ChangeLog.CL.Log, guard);
9073 leency 2316
        guard.saved := ChangeLog.isFirstGuard(guard);
8728 leency 2317
        text.edition := guard;
9073 leency 2318
        text.guard := FALSE
8728 leency 2319
    ELSE
2320
        guard := text.edition
2321
    END;
2322
 
2323
    guard.cursor := text.cursor^;
2324
    guard.select2 := text.select2^;
2325
    guard.scroll := text.scroll;
2326
    guard.CurX := text.CurX;
2327
    guard.selected := text.select = text.select2;
2328
 
2329
    G.SetColor(canvas, colors.back);
9668 akron1 2330
    IF ~text.smallMove THEN
2331
    	G.clear(canvas)
2332
    END;
9060 leency 2333
    wNum := charWidth;
9671 akron1 2334
    IF lineNumbers THEN
8728 leency 2335
        numWidth := U.lg10(text.count) + 2;
2336
        xNum := numWidth*wNum - wNum DIV 2;
2337
        setPadding(numWidth*wNum + pad_left, padding.top);
2338
    ELSE
9060 leency 2339
        setPadding(pad_left + wNum*2, padding.top)
8728 leency 2340
    END;
2341
    getSelect(text, selBeg, selEnd);
2342
    y := padding.top + inter DIV 2;
2343
    n := text.scroll.Y;
9668 akron1 2344
    firstLine := getLine2(text, n);
9892 akron1 2345
 
9668 akron1 2346
    IF text.smallMove THEN
2347
    	line := text.curLine;
9892 akron1 2348
    	cnt := textsize.Y;
9668 akron1 2349
    	y := y + charHeight*(text.cursor.Y - text.scroll.Y);
2350
    	G.SetColor(canvas, colors.back);
2351
    	G.FillRect(canvas, padding.left - 2, y - inter DIV 2, size.X - 1, y - inter DIV 2 + charHeight);
2352
    	n := text.cursor.Y
2353
    ELSE
2354
	    line := firstLine;
2355
    	cnt := 0
2356
    END;
2357
 
9892 akron1 2358
    WHILE (line # NIL) & (cnt <= textsize.Y) DO
8728 leency 2359
        backColor := colors.back;
2360
        IF (line = text.curLine) & ~selected(text) THEN
2361
            G.SetColor(canvas, colors.curline);
2362
            G.FillRect(canvas, padding.left - 2, y - inter DIV 2, size.X - 1, y - inter DIV 2 + charHeight);
2363
            backColor := colors.curline
2364
        END;
2365
        SetColor(colors.text, backColor);
9668 akron1 2366
		IF (selBeg.Y < n) & (n < selEnd.Y) THEN
2367
			drawSelect(text, line, 0, line.length, y)
2368
		ELSE
2369
			G.TextOut(canvas, padding.left, y, Lines.getPChar(line, text.scroll.X), MIN(MAX(line.length - text.scroll.X, 0), textsize.X + 1), colors.delim);
2370
			IF text.lang # Lang.langText THEN
2371
				parse(text, line, y, backColor, text.lang)
2372
			END
2373
		END;
2374
		IF (selBeg.Y = n) & (selEnd.Y = n) & (selBeg.X # selEnd.X) THEN
8728 leency 2375
            drawSelect(text, line, selBeg.X, selEnd.X, y)
2376
        ELSIF (selBeg.Y = n) & (selEnd.Y # n) THEN
2377
            drawSelect(text, line, selBeg.X, line.length, y)
2378
        ELSIF (selBeg.Y # n) & (selEnd.Y = n) THEN
2379
            drawSelect(text, line, 0, selEnd.X, y)
2380
        END;
9668 akron1 2381
        mark(line, y - inter DIV 2);
8728 leency 2382
        NextLine(line);
2383
        INC(y, charHeight);
2384
        INC(n);
2385
        INC(cnt)
2386
    END;
9668 akron1 2387
 
9060 leency 2388
    G.SetColor(canvas, colors.numback);
2389
    G.FillRect(canvas, 0, 0, padding.left - pad_left (*+ 1*), size.Y - 1);
2390
    line := firstLine;
2391
    SetColor(colors.numtext, colors.numback);
2392
    y := padding.top + inter DIV 2;
9892 akron1 2393
    n := MIN(text.scroll.Y + textsize.Y + 1, text.count);
9060 leency 2394
    FOR i := text.scroll.Y + 1 TO n DO
9671 akron1 2395
        IF lineNumbers THEN
9060 leency 2396
            IF (i MOD 10 = 0) OR (i - 1 = text.cursor.Y) OR line.label THEN
8728 leency 2397
                U.int2str(i, s);
9060 leency 2398
                G.TextOut2(canvas, (numWidth - U.lg10(i) - 1)*wNum - wNum DIV 2, y, s, LENGTH(s))
8728 leency 2399
            ELSE
2400
                G.SetColor(canvas, colors.numtext);
9208 akron1 2401
                G.HLine(canvas, y - inter DIV 2 + charHeight DIV 2, xNum - wNum DIV (1 + ORD(i MOD 5 # 0)), xNum)
9060 leency 2402
            END
2403
        END;
2404
        IF line.label THEN
2405
            FOR x := wNum DIV 2 TO (padding.left - pad_left) - wNum DIV 2 DO
9892 akron1 2406
                G.notVLine(canvas, x, y, y + charHeight - (inter + 1));
2407
                G.xorVLine(canvas, x, y, y + charHeight - (inter + 1))
9060 leency 2408
            END
2409
        END;
2410
        NextLine(line);
2411
        INC(y, charHeight)
8728 leency 2412
    END;
2413
 
2414
    IF text.searchText # "" THEN
9668 akron1 2415
    	IF text.smallMove THEN
2416
    		firstLine := text.curLine;
2417
    		lastLine := firstLine
2418
    	ELSE
9892 akron1 2419
    	    lastLine := getLine2(text, MIN(text.scroll.Y + textsize.Y + 1, text.count) - 1)
8728 leency 2420
        END;
9903 akron1 2421
 
2422
        i := 0;
8728 leency 2423
        p := text.foundList.first(Search.tPos);
9903 akron1 2424
        pos := Search.next(p, i);
2425
        WHILE pos # -1 DO
9668 akron1 2426
        	y := padding.top + inter DIV 2;
2427
        	IF text.smallMove THEN
2428
        		y := y + charHeight*(text.cursor.Y - text.scroll.Y)
2429
            END;
9903 akron1 2430
            IF (firstLine.pos <= pos) & (pos <= lastLine.pos + lastLine.length) THEN
8728 leency 2431
                line := firstLine;
9903 akron1 2432
                WHILE (line.pos <= pos) & (line # lastLine) DO
8728 leency 2433
                    NextLine(line);
2434
                    INC(y, charHeight)
2435
                END;
9903 akron1 2436
                IF (line # lastLine) & (line # firstLine) OR (line = lastLine) & (line.pos > pos) THEN
8728 leency 2437
                    PrevLine(line);
2438
                    DEC(y, charHeight)
2439
                END;
9903 akron1 2440
                x := (pos - line.pos - text.scroll.X)*charWidth + padding.left;
8728 leency 2441
                n := LENGTH(text.searchText)*charWidth;
2442
                WHILE n > 0 DO
2443
                    IF x >= padding.left THEN
2444
                        G.notVLine(canvas, x, y, y + charHeight - inter)
2445
                    END;
2446
                    INC(x);
2447
                    DEC(n)
9668 akron1 2448
                END
8728 leency 2449
            END;
9903 akron1 2450
            pos := Search.next(p, i)
8728 leency 2451
        END
2452
    END;
2453
 
9668 akron1 2454
    text.smallMove := FALSE;
2455
 
8728 leency 2456
    IF text.foundSel > 0 THEN
2457
        x := (text.cursor.X - text.scroll.X)*charWidth + padding.left;
2458
        y := (text.cursor.Y - text.scroll.Y)*charHeight + padding.top + inter DIV 2;
2459
        n := text.foundSel*charWidth;
2460
        WHILE n > 0 DO
2461
            IF x >= padding.left THEN
2462
                G.xorVLine(canvas, x, y, y + charHeight - inter)
2463
            END;
2464
            INC(x);
2465
            DEC(n)
2466
        END
2467
    END;
9668 akron1 2468
	cursor(text)
8728 leency 2469
END draw;
2470
 
2471
 
9050 leency 2472
PROCEDURE switch* (text: tText);
2473
BEGIN
9902 akron1 2474
    ChangeLog.setLog(text.chLog);
9194 akron1 2475
    Lines.setMaxLength(text.maxLength);
2476
    Lang.setCurLang(text.lang)
9050 leency 2477
END switch;
2478
 
2479
 
8728 leency 2480
PROCEDURE create (fileName: RW.tFileName): tText;
2481
VAR
2482
    text: tText;
2483
BEGIN
2484
    NEW(text);
9050 leency 2485
    text.maxLength := 64;
2486
    text.chLog := ChangeLog.create(text.maxLength);
8728 leency 2487
    NEW(text.cursor);
2488
    NEW(text.select2);
2489
    text.cursor.X := 0;
2490
    text.cursor.Y := 0;
2491
    resetSelect(text);
2492
    text.scroll.X := 0;
2493
    text.scroll.Y := 0;
2494
    setPadding(padding.left, padding.top);
2495
    text.curLine := NIL;
2496
    text.modified := FALSE;
9668 akron1 2497
    text.smallMove := FALSE;
8728 leency 2498
    text.comments := TRUE;
2499
    text.search := TRUE;
2500
    text.cs := FALSE;
2501
    text.whole := FALSE;
2502
    text.guard := TRUE;
9904 akron1 2503
    text.wordSel := FALSE;
8728 leency 2504
    text.edition := NIL;
2505
    text.foundList := List.create(NIL);
2506
    text.searchText := "";
2507
    text.foundSel := 0;
2508
    text.CurX := -1;
9668 akron1 2509
    text.smallChange := 0;
9193 akron1 2510
    text.lang := Lang.langText;
9668 akron1 2511
    text.LinesVector := NIL;
9193 akron1 2512
    Lang.setCurLang(Lang.langText);
8728 leency 2513
    setName(text, fileName);
2514
    ASSERT(text = List.create(text))
2515
    RETURN text
2516
END create;
2517
 
2518
 
2519
PROCEDURE setColors* (text, back, seltext, selback, modified, saved, curline, numtext, numback,
9413 akron1 2520
                        comment, string, escape, num, delim, key1, key2, key3: INTEGER);
8728 leency 2521
BEGIN
2522
    colors.text := text;
2523
    colors.back := back;
2524
    colors.seltext := seltext;
2525
    colors.selback := selback;
2526
    colors.modified := modified;
2527
    colors.saved := saved;
2528
    colors.curline := curline;
2529
    colors.numtext := numtext;
2530
    colors.numback := numback;
2531
    colors.comment := comment;
2532
    colors.string  := string;
9413 akron1 2533
    colors.escape  := escape;
8728 leency 2534
    colors.num := num;
2535
    colors.delim := delim;
2536
    colors.key1 := key1;
2537
    colors.key2 := key2;
2538
    colors.key3 := key3;
2539
END setColors;
2540
 
2541
 
9659 akron1 2542
PROCEDURE setCanvas* (_canvas: G.tCanvas);
8728 leency 2543
BEGIN
9659 akron1 2544
    canvas := _canvas;
2545
    charWidth := _canvas.font.width;
2546
    charHeight := _canvas.font.height + inter
8728 leency 2547
END setCanvas;
2548
 
2549
 
2550
PROCEDURE resize* (width, height: INTEGER);
2551
BEGIN
2552
    size.X := width;
2553
    size.Y := height;
2554
    setPadding(padding.left, padding.top)
2555
END resize;
2556
 
2557
 
2558
PROCEDURE destroy* (VAR text: tText);
2559
BEGIN
2560
    IF search(text, "", FALSE, FALSE) THEN END;
9448 akron1 2561
    ChangeLog.destroy(text.chLog);
9668 akron1 2562
    Lines.destroyVector(text.LinesVector);
8728 leency 2563
    DISPOSE(text.foundList);
2564
    DISPOSE(text.cursor);
2565
    DISPOSE(text.select2);
2566
    DISPOSE(text)
2567
END destroy;
2568
 
2569
 
9674 akron1 2570
PROCEDURE open* (name: RW.tFileName; ptr, size: INTEGER; VAR errno: INTEGER): tText;
8728 leency 2571
VAR
2572
    text: tText;
2573
    file: RW.tInput;
9180 akron1 2574
    n, enc, eol: INTEGER;
2575
    _eol: BOOLEAN;
8728 leency 2576
    line: tLine;
2577
BEGIN
2578
    errno := 0;
9522 akron1 2579
    text := create(name);
2580
    IF text # NIL THEN
9674 akron1 2581
    	IF ptr = 0 THEN
2582
    		file := RW.loadFromFile(name, enc, eol)
2583
    	ELSE
2584
    		file := RW.loadFromMem(ptr, size, enc, eol)
2585
    	END;
9522 akron1 2586
    	IF file = NIL THEN
2587
    		destroy(text)
2588
    	END
2589
    ELSE
2590
    	file := NIL
2591
    END;
8728 leency 2592
    IF file # NIL THEN
9336 akron1 2593
        ChangeLog.changeInt(text.enc, enc);
2594
        ChangeLog.changeInt(text.eol, eol);
8728 leency 2595
        text.enc := enc;
9180 akron1 2596
        text.eol := eol;
2597
        line := Lines.create(FALSE);
2598
        List._append(text, line);
8728 leency 2599
        REPEAT
9180 akron1 2600
            n := RW.getString(file, line, Lines.tabs, _eol);
2601
            IF _eol THEN
2602
            	line := Lines.create(FALSE);
2603
            	List._append(text, line)
8728 leency 2604
            END
9180 akron1 2605
        UNTIL ~_eol;
8728 leency 2606
        RW.destroy(file);
9180 akron1 2607
        text.curLine := text.first(tLine);
2608
        SetPos(text, 0, 0);
9668 akron1 2609
        resetSelect(text);
2610
        Comments(text)
8728 leency 2611
    ELSE
2612
        errno := 1
2613
    END
2614
    RETURN text
2615
END open;
2616
 
2617
 
2618
PROCEDURE findNext* (text: tText; prev: BOOLEAN): BOOLEAN;
2619
VAR
2620
    cursorPos, x, y, X, Y, Len: INTEGER;
2621
    line: tLine;
2622
    res: BOOLEAN;
9903 akron1 2623
    pos, i, pos0: INTEGER;
2624
    p: Search.tPos;
8728 leency 2625
BEGIN
2626
    X := text.cursor.X;
2627
    Y := text.cursor.Y;
2628
    text.cursor.X := MIN(text.cursor.X, text.curLine.length);
2629
    cursorPos := text.curLine.pos + text.cursor.X - ORD(prev) - ORD(~prev & (text.foundSel = 0));
9903 akron1 2630
    pos0 := -1;
2631
    i := 0;
8728 leency 2632
    p := text.foundList.first(Search.tPos);
9903 akron1 2633
    pos := Search.next(p, i);
2634
    WHILE (pos # -1) & (pos <= cursorPos) DO
2635
    	pos0 := pos;
2636
    	pos := Search.next(p, i)
8728 leency 2637
    END;
2638
    IF prev THEN
9903 akron1 2639
    	pos := pos0
8728 leency 2640
    END;
9903 akron1 2641
    res := pos # -1;
8728 leency 2642
    IF res THEN
2643
        y := 0;
2644
        line := text.first(tLine);
9903 akron1 2645
        WHILE (line.pos <= pos) & (line.next # NIL) DO
8728 leency 2646
            NextLine(line);
2647
            INC(y)
2648
        END;
9903 akron1 2649
        IF (line.next # NIL) OR (line.pos > pos) THEN
8728 leency 2650
            PrevLine(line);
2651
            DEC(y)
2652
        END;
2653
        resetSelect(text);
2654
        searchScroll(text, y);
9903 akron1 2655
        x := pos - line.pos;
8728 leency 2656
        Len := LENGTH(text.searchText);
2657
        IF x + Len > text.scroll.X + textsize.X THEN
2658
            text.scroll.X := MAX(x + Len - textsize.X + 3, 0)
2659
        ELSIF x < text.scroll.X THEN
2660
            text.scroll.X := MAX(x - 3, 0)
2661
        END;
2662
        SetPos(text, x, y);
2663
        text.foundSel := Len
2664
    ELSE
2665
        SetPos(text, X, Y)
2666
    END
2667
    RETURN res
2668
END findNext;
2669
 
2670
 
2671
PROCEDURE replace* (text: tText; s: ARRAY OF WCHAR; n: INTEGER);
2672
VAR
2673
    line: tLine;
2674
    sLen, i: INTEGER;
2675
BEGIN
2676
    IF text.foundSel > 0 THEN
2677
        line := text.curLine;
2678
        sLen := LENGTH(s);
2679
        i := text.cursor.X;
2680
        IF sLen > n THEN
2681
            Lines.insert3(line, i, sLen - n)
9560 akron1 2682
        ELSIF n > sLen THEN
2683
            Lines.delCharN(line, i, n - sLen)
2684
        ELSE (* n = sLen *)
2685
        	Lines.copy(line)
8728 leency 2686
        END;
2687
        SetPos(text, i + sLen, text.cursor.Y);
9560 akron1 2688
	    WHILE sLen > 0 DO
2689
	        DEC(sLen);
2690
	        Lines.setChar(line, i + sLen, s[sLen])
2691
	    END;
8728 leency 2692
        resetSelect(text);
2693
        Lines.modify(line);
2694
        modify(text)
2695
    END
2696
END replace;
2697
 
2698
 
2699
PROCEDURE replaceAll* (text: tText; s: ARRAY OF WCHAR; n: INTEGER): INTEGER;
2700
VAR
9903 akron1 2701
    line: tLine;
2702
    y, k, d, pos, y0, i, c: INTEGER;
8728 leency 2703
    p: Search.tPos;
2704
BEGIN
2705
    resetSelect(text);
2706
    SetPos(text, 0, 0);
2707
    line := text.first(tLine);
2708
    y := 0;
2709
    y0 := -1;
2710
    k := 0;
2711
    d := LENGTH(s) - n;
9903 akron1 2712
    c := 0;
2713
    i := 0;
8728 leency 2714
    p := text.foundList.first(Search.tPos);
9903 akron1 2715
    pos := Search.next(p, i);
2716
    WHILE pos # -1 DO
8728 leency 2717
        WHILE (line.pos <= pos) & (line.next # NIL) DO
2718
            NextLine(line);
2719
            INC(y)
2720
        END;
2721
        IF (line.next # NIL) OR (line.pos > pos) THEN
2722
            PrevLine(line);
2723
            DEC(y)
2724
        END;
2725
        IF y = y0 THEN
2726
            INC(k, d)
2727
        ELSE
2728
            k := 0;
2729
            y0 := y
2730
        END;
2731
        SetPos(text, pos - line.pos + k, y);
2732
        text.foundSel := n;
2733
        replace(text, s, n);
9903 akron1 2734
        INC(c);
2735
        pos := Search.next(p, i)
8728 leency 2736
    END
9903 akron1 2737
    RETURN c
8728 leency 2738
END replaceAll;
2739
 
2740
 
9674 akron1 2741
PROCEDURE conv (VAR c: WCHAR; cp: E.CP; enc: INTEGER): BOOLEAN;
2742
VAR
2743
	code: INTEGER;
2744
	res: BOOLEAN;
2745
BEGIN
2746
	res := FALSE;
2747
	IF (c # 0X) & (c # Lines.NUL) & (c # Lines.TAB1) THEN
2748
		code := E.UNI[ORD(c), enc];
2749
		IF (0 <= code) & (code <= 255) THEN
2750
			code := cp[code]
2751
		ELSE
2752
			code := ORD(c)
2753
		END;
9708 akron1 2754
		IF code # ORD(c) THEN
2755
			c := WCHR(code);
2756
			res := TRUE
2757
		END
9674 akron1 2758
	END
2759
	RETURN res
2760
END conv;
2761
 
2762
 
2763
PROCEDURE conv1251to866 (VAR c: WCHAR): BOOLEAN;
9708 akron1 2764
	RETURN conv(c, E.cp866, E.CP1251)
9674 akron1 2765
END conv1251to866;
2766
 
2767
 
2768
PROCEDURE conv866to1251 (VAR c: WCHAR): BOOLEAN;
2769
	RETURN conv(c, E.cp1251, E.CP866)
2770
END conv866to1251;
2771
 
2772
 
9708 akron1 2773
PROCEDURE convert* (text: tText; (*cp: E.CP;*) enc: INTEGER);
9674 akron1 2774
VAR
2775
	line: tLine;
2776
	func: Lines.fConvert;
2777
	modified: BOOLEAN;
2778
BEGIN
2779
	modified := FALSE;
2780
	line := text.first(tLine);
2781
	IF enc = E.CP866 THEN
2782
		func := conv866to1251
9708 akron1 2783
	ELSIF enc = E.CP1251 THEN
9674 akron1 2784
		func := conv1251to866
2785
	ELSE
2786
		line := NIL
2787
	END;
2788
 
2789
	WHILE line # NIL DO
2790
		IF Lines.convert(line, 0, line.length - 1, func) THEN
2791
			modified := TRUE
2792
		END;
2793
		NextLine(line)
2794
	END;
2795
 
2796
	IF modified THEN
2797
		modify(text)
2798
	END
2799
END convert;
2800
 
2801
 
8728 leency 2802
PROCEDURE New* (): tText;
2803
VAR
2804
    text: tText;
2805
BEGIN
2806
    text := create("");
2807
    List._append(text, Lines.create(FALSE));
2808
    text.curLine := text.first(tLine);
9336 akron1 2809
    ChangeLog.changeInt(text.enc, E.CP866);
9659 akron1 2810
    ChangeLog.changeInt(text.eol, E.EOL_CRLF);
8728 leency 2811
    text.enc := E.CP866;
9659 akron1 2812
    text.eol := E.EOL_CRLF;
8728 leency 2813
    SetPos(text, 0, 0);
2814
    resetSelect(text)
2815
    RETURN text
2816
END New;
2817
 
2818
 
9731 akron1 2819
PROCEDURE empty* (text: tText): BOOLEAN;
2820
	RETURN (text.count = 1) & (text.curLine.length = 0)
2821
END empty;
2822
 
2823
 
9671 akron1 2824
PROCEDURE init* (pShowCursor: tProcedure; _lineNumbers, _autoIndents, _autoBrackets, _trimSpace: BOOLEAN);
8728 leency 2825
BEGIN
9174 akron1 2826
    ShowCursor := pShowCursor;
8728 leency 2827
    pdelete := delete;
2828
    drawCursor := TRUE;
9671 akron1 2829
    lineNumbers := _lineNumbers;
2830
    autoIndents := _autoIndents;
2831
    autoBrackets := _autoBrackets;
2832
    trimSpace := _trimSpace;
8728 leency 2833
    padding.left := pad_left;
2834
    padding.top := pad_top;
2835
END init;
2836
 
2837
 
2838
END Text.