TextAction.c

Bug Summary

File:	TextAction.c
Location:	line 2233, column 3
Description:	Value stored to 'right' is never read

Annotated Source Code

1	/*
2
3	Copyright 1989, 1994, 1998 The Open Group
4
5	Permission to use, copy, modify, distribute, and sell this software and its
6	documentation for any purpose is hereby granted without fee, provided that
7	the above copyright notice appear in all copies and that both that
8	copyright notice and this permission notice appear in supporting
9	documentation.
10
11	The above copyright notice and this permission notice shall be included in
12	all copies or substantial portions of the Software.
13
14	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17	OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18	AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19	CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21	Except as contained in this notice, the name of The Open Group shall not be
22	used in advertising or otherwise to promote the sale, use or other dealings
23	in this Software without prior written authorization from The Open Group.
24
25	*/
26
27	#ifdef HAVE_CONFIG_H1
28	#include <config.h>
29	#endif
30	#include <stdio.h>
31	#include <stdlib.h>
32	#include <X11/Xos.h> /* for select() and struct timeval */
33	#include <ctype.h>
34	#include <X11/IntrinsicP.h>
35	#include <X11/StringDefs.h>
36	#include <X11/Xatom.h>
37	#include <X11/Xfuncs.h>
38	#include <X11/Xutil.h>
39	#include <X11/Xmu/Atoms.h>
40	#include <X11/Xmu/Misc.h>
41	#include <X11/Xmu/StdSel.h>
42	#include <X11/Xaw/MultiSinkP.h>
43	#include <X11/Xaw/MultiSrcP.h>
44	#include <X11/Xaw/TextP.h>
45	#include <X11/Xaw/TextSrcP.h>
46	#include <X11/Xaw/XawImP.h>
47	#include "Private.h"
48	#include "XawI18n.h"
49
50	#define SrcScanXawTextSourceScan XawTextSourceScan
51	#define FindDistXawTextSinkFindDistance XawTextSinkFindDistance
52	#define FindPosXawTextSinkFindPosition XawTextSinkFindPosition
53	#define MULT(w)(w->text.mult == 0 ? 4 : w->text.mult == 32767 ? -4 : w ->text.mult) (w->text.mult == 0 ? 4 : \
54	w->text.mult == 32767 ? -4 : w->text.mult)
55
56	#define KILL_RING_APPEND2 2
57	#define KILL_RING_BEGIN3 3
58	#define KILL_RING_YANK100 100
59	#define KILL_RING_YANK_DONE98 98
60
61	#define XawTextActionMaxHexChars100 100
62
63	/*
64	* Prototypes
65	*/
66	static void _DeleteOrKill(TextWidget, XawTextPosition, XawTextPosition, Boolint);
67	static void _SelectionReceived(Widget, XtPointer, Atom, Atom, XtPointer,
68	unsigned long, int);
69	static void _LoseSelection(Widget, Atom, char, int);
70	static void AutoFill(TextWidget);
71	static Boolean ConvertSelection(Widget, Atom, Atom, Atom, XtPointer,
72	unsigned long, int);
73	static void DeleteOrKill(TextWidget, XEvent*, XawTextScanDirection,
74	XawTextScanType, Boolint, Boolint);
75	static void EndAction(TextWidget);
76	#ifndef OLDXAW
77	static Boolint BlankLine(Widget, XawTextPosition, int*);
78	static int DoFormatText(TextWidget, XawTextPosition, Boolint, int,
79	XawTextBlock, XawTextPosition, int, Boolint);
80	static int FormatText(TextWidget, XawTextPosition, Boolint,
81	XawTextPosition*, int);
82	static Boolint GetBlockBoundaries(TextWidget, XawTextPosition, XawTextPosition);
83	#endif
84	static int FormRegion(TextWidget, XawTextPosition, XawTextPosition,
85	XawTextPosition*, int);
86	static void GetSelection(Widget, Time, String*, Cardinal);
87	static char IfHexConvertHexElseReturnParam(char, int*);
88	static void InsertNewCRs(TextWidget, XawTextPosition, XawTextPosition,
89	XawTextPosition*, int);
90	static int InsertNewLineAndBackupInternal(TextWidget);
91	static int LocalInsertNewLine(TextWidget, XEvent*);
92	static void LoseSelection(Widget, Atom*);
93	static void ParameterError(Widget, String);
94	static Boolint MatchSelection(Atom, XawTextSelection*);
95	static void ModifySelection(TextWidget, XEvent*, XawTextSelectionMode,
96	XawTextSelectionAction, String, Cardinal);
97	static void Move(TextWidget, XEvent*, XawTextScanDirection, XawTextScanType,
98	Boolint);
99	static void NotePosition(TextWidget, XEvent*);
100	static void StartAction(TextWidget, XEvent*);
101	static XawTextPosition StripOutOldCRs(TextWidget, XawTextPosition,
102	XawTextPosition, XawTextPosition*, int);
103	#ifndef OLDXAW
104	static Boolint StripSpaces(TextWidget, XawTextPosition, XawTextPosition,
105	XawTextPosition, int, XawTextBlock);
106	static Boolint Tabify(TextWidget, XawTextPosition, XawTextPosition,
107	XawTextPosition, int, XawTextBlock);
108	static Boolint Untabify(TextWidget, XawTextPosition, XawTextPosition,
109	XawTextPosition, int, XawTextBlock);
110	#endif
111
112	/*
113	* Actions
114	*/
115	static void CapitalizeWord(Widget, XEvent, String, Cardinal*);
116	static void DisplayCaret(Widget, XEvent, String, Cardinal*);
117	static void Delete(Widget, XEvent, String, Cardinal*);
118	static void DeleteBackwardChar(Widget, XEvent, String, Cardinal*);
119	static void DeleteBackwardWord(Widget, XEvent, String, Cardinal*);
120	static void DeleteCurrentSelection(Widget, XEvent, String, Cardinal*);
121	static void DeleteForwardChar(Widget, XEvent, String, Cardinal*);
122	static void DeleteForwardWord(Widget, XEvent, String, Cardinal*);
123	static void DowncaseWord(Widget, XEvent, String, Cardinal*);
124	static void ExtendAdjust(Widget, XEvent, String, Cardinal*);
125	static void ExtendEnd(Widget, XEvent, String, Cardinal*);
126	static void ExtendStart(Widget, XEvent, String, Cardinal*);
127	static void FormParagraph(Widget, XEvent, String, Cardinal*);
128	#ifndef OLDXAW
129	static void Indent(Widget, XEvent, String, Cardinal*);
130	#endif
131	static void InsertChar(Widget, XEvent, String, Cardinal*);
132	static void InsertNewLine(Widget, XEvent, String, Cardinal*);
133	static void InsertNewLineAndBackup(Widget, XEvent, String, Cardinal*);
134	static void InsertNewLineAndIndent(Widget, XEvent, String, Cardinal*);
135	static void InsertSelection(Widget, XEvent, String, Cardinal*);
136	static void InsertString(Widget, XEvent, String, Cardinal*);
137	#ifndef OLDXAW
138	static void KeyboardReset(Widget, XEvent, String, Cardinal*);
139	#endif
140	static void KillBackwardWord(Widget, XEvent, String, Cardinal*);
141	static void KillCurrentSelection(Widget, XEvent, String, Cardinal*);
142	static void KillForwardWord(Widget, XEvent, String, Cardinal*);
143	#ifndef OLDXAW
144	static void KillRingYank(Widget, XEvent, String, Cardinal*);
145	#endif
146	static void KillToEndOfLine(Widget, XEvent, String, Cardinal*);
147	static void KillToEndOfParagraph(Widget, XEvent, String, Cardinal*);
148	static void MoveBackwardChar(Widget, XEvent, String, Cardinal*);
149	static void MoveBackwardWord(Widget, XEvent, String, Cardinal*);
150	static void MoveBackwardParagraph(Widget, XEvent, String, Cardinal*);
151	static void MoveBeginningOfFile(Widget, XEvent, String, Cardinal*);
152	static void MoveEndOfFile(Widget, XEvent, String, Cardinal*);
153	static void MoveForwardChar(Widget, XEvent, String, Cardinal*);
154	static void MoveForwardWord(Widget, XEvent, String, Cardinal*);
155	static void MoveForwardParagraph(Widget, XEvent, String, Cardinal*);
156	static void MoveNextLine(Widget, XEvent, String, Cardinal*);
157	static void MoveNextPage(Widget, XEvent, String, Cardinal*);
158	static void MovePage(TextWidget, XEvent*, XawTextScanDirection);
159	static void MovePreviousLine(Widget, XEvent, String, Cardinal*);
160	static void MovePreviousPage(Widget, XEvent, String, Cardinal*);
161	static void MoveLine(TextWidget, XEvent*, XawTextScanDirection);
162	static void MoveToLineEnd(Widget, XEvent, String, Cardinal*);
163	static void MoveToLineStart(Widget, XEvent, String, Cardinal*);
164	static void Multiply(Widget, XEvent, String, Cardinal*);
165	static void NoOp(Widget, XEvent, String, Cardinal*);
166	#ifndef OLDXAW
167	static void Numeric(Widget, XEvent, String, Cardinal*);
168	#endif
169	static void Reconnect(Widget, XEvent, String, Cardinal*);
170	static void RedrawDisplay(Widget, XEvent, String, Cardinal*);
171	static void Scroll(TextWidget, XEvent*, XawTextScanDirection);
172	static void ScrollOneLineDown(Widget, XEvent, String, Cardinal*);
173	static void ScrollOneLineUp(Widget, XEvent, String, Cardinal*);
174	static void SelectAdjust(Widget, XEvent, String, Cardinal*);
175	static void SelectAll(Widget, XEvent, String, Cardinal*);
176	static void SelectEnd(Widget, XEvent, String, Cardinal*);
177	static void SelectSave(Widget, XEvent, String, Cardinal*);
178	static void SelectStart(Widget, XEvent, String, Cardinal*);
179	static void SelectWord(Widget, XEvent, String, Cardinal*);
180	static void SetKeyboardFocus(Widget, XEvent, String, Cardinal*);
181	static void TextEnterWindow(Widget, XEvent, String, Cardinal*);
182	static void TextFocusIn(Widget, XEvent, String, Cardinal*);
183	static void TextFocusOut(Widget, XEvent, String, Cardinal*);
184	static void TextLeaveWindow(Widget, XEvent, String, Cardinal*);
185	static void TransposeCharacters(Widget, XEvent, String, Cardinal*);
186	#ifndef OLDXAW
187	static void ToggleOverwrite(Widget, XEvent, String, Cardinal*);
188	static void Undo(Widget, XEvent, String, Cardinal*);
189	#endif
190	static void UpcaseWord(Widget, XEvent, String, Cardinal*);
191	static void DestroyFocusCallback(Widget, XtPointer, XtPointer);
192
193	/*
194	* External
195	*/
196	void _XawTextZapSelection(TextWidget, XEvent*, Boolint);
197
198	/*
199	* Defined in TextPop.c
200	*/
201	void _XawTextInsertFileAction(Widget, XEvent, String, Cardinal*);
202	void _XawTextInsertFile(Widget, XEvent, String, Cardinal*);
203	void _XawTextSearch(Widget, XEvent, String, Cardinal*);
204	void _XawTextDoSearchAction(Widget, XEvent, String, Cardinal*);
205	void _XawTextDoReplaceAction(Widget, XEvent, String, Cardinal*);
206	void _XawTextSetField(Widget, XEvent, String, Cardinal*);
207	void _XawTextPopdownSearchAction(Widget, XEvent, String, Cardinal*);
208
209	/*
210	* These are defined in Text.c
211	*/
212	void _XawTextAlterSelection(TextWidget, XawTextSelectionMode,
213	XawTextSelectionAction, String, Cardinal);
214	void _XawTextClearAndCenterDisplay(TextWidget);
215	void _XawTextExecuteUpdate(TextWidget);
216	char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition);
217	void _XawTextPrepareToUpdate(TextWidget);
218	int _XawTextReplace(TextWidget, XawTextPosition, XawTextPosition,
219	XawTextBlock*);
220	Atom _XawTextSelectionList(TextWidget, String, Cardinal);
221	void _XawTextSetSelection(TextWidget, XawTextPosition, XawTextPosition,
222	String*, Cardinal);
223	void _XawTextVScroll(TextWidget, int);
224	void XawTextScroll(TextWidget, int, int);
225	void _XawTextSetLineAndColumnNumber(TextWidget, Boolint);
226
227	#ifndef OLDXAW
228	/*
229	* Defined in TextSrc.c
230	*/
231	Boolint _XawTextSrcUndo(TextSrcObject, XawTextPosition*);
232	Boolint _XawTextSrcToggleUndo(TextSrcObject);
233	void _XawSourceSetUndoErase(TextSrcObject, int);
234	void _XawSourceSetUndoMerge(TextSrcObject, Boolint);
235	#endif /* OLDXAW */
236
237	/*
238	* Initialization
239	*/
240	#ifndef OLDXAW
241	#define MAX_KILL_RINGS1024 1024
242	XawTextKillRing *xaw_text_kill_ring;
243	static XawTextKillRing kill_ring_prev, kill_ring_null = { &kill_ring_prev, };
244	static unsigned num_kill_rings;
245	#endif
246
247	/*
248	* Implementation
249	*/
250	static void
251	ParameterError(Widget w, String param)
252	{
253	String params[2];
254	Cardinal num_params = 2;
255	params[0] = XtName(w);
256	params[1] = param;
257
258	XtAppWarningMsg(XtWidgetToApplicationContext(w),
259	"parameterError", "textAction", "XawError",
260	"Widget: %s Parameter: %s",
261	params, &num_params);
262	XBell(XtDisplay(w)(((w)->core.screen)->display), 50);
263	}
264
265	static void
266	StartAction(TextWidget ctx, XEvent *event)
267	{
268	#ifndef OLDXAW
269	Cardinal i;
270	TextSrcObject src = (TextSrcObject)ctx->text.source;
271
272	for (i = 0; i < src->textSrc.num_text; i++)
273	_XawTextPrepareToUpdate((TextWidget)src->textSrc.text[i]);
274	_XawSourceSetUndoMerge(src, False0);
275	#else
276	_XawTextPrepareToUpdate(ctx);
277	#endif
278
279	if (event != NULL((void*)0)) {
280	switch (event->type) {
281	case ButtonPress4:
282	case ButtonRelease5:
283	ctx->text.time = event->xbutton.time;
284	break;
285	case KeyPress2:
286	case KeyRelease3:
287	ctx->text.time = event->xkey.time;
288	break;
289	case MotionNotify6:
290	ctx->text.time = event->xmotion.time;
291	break;
292	case EnterNotify7:
293	case LeaveNotify8:
294	ctx->text.time = event->xcrossing.time;
295	}
296	}
297	}
298
299	static void
300	NotePosition(TextWidget ctx, XEvent *event)
301	{
302	switch (event->type) {
303	case ButtonPress4:
304	case ButtonRelease5:
305	ctx->text.ev_x = event->xbutton.x;
306	ctx->text.ev_y = event->xbutton.y;
307	break;
308	case KeyPress2:
309	case KeyRelease3: {
310	XRectangle cursor;
311	XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
312	ctx->text.ev_x = cursor.x + cursor.width / 2;
313	ctx->text.ev_y = cursor.y + cursor.height / 2;
314	} break;
315	case MotionNotify6:
316	ctx->text.ev_x = event->xmotion.x;
317	ctx->text.ev_y = event->xmotion.y;
318	break;
319	case EnterNotify7:
320	case LeaveNotify8:
321	ctx->text.ev_x = event->xcrossing.x;
322	ctx->text.ev_y = event->xcrossing.y;
323	}
324	}
325
326	static void
327	EndAction(TextWidget ctx)
328	{
329	#ifndef OLDXAW
330	Cardinal i;
331	TextSrcObject src = (TextSrcObject)ctx->text.source;
332
333	for (i = 0; i < src->textSrc.num_text; i++)
334	_XawTextExecuteUpdate((TextWidget)src->textSrc.text[i]);
335
336	ctx->text.mult = 1;
337	ctx->text.numeric = False0;
338	if (ctx->text.kill_ring) {
339	if (--ctx->text.kill_ring == KILL_RING_YANK_DONE98) {
340	if (ctx->text.kill_ring_ptr) {
341	--ctx->text.kill_ring_ptr->refcount;
342	ctx->text.kill_ring_ptr = NULL((void*)0);
343	}
344	}
345	}
346	#else
347	ctx->text.mult = 1;
348	_XawTextExecuteUpdate(ctx);
349	#endif /* OLDXAW */
350	}
351
352	struct _SelectionList {
353	String* params;
354	Cardinal count;
355	Time time;
356	int asked; /* which selection currently has been asked for:
357	0 = UTF8_STRING, 1 = COMPOUND_TEXT, 2 = STRING */
358	Atom selection; /* selection atom (normally XA_PRIMARY) */
359	};
360
361	/ARGSUSED/
362	static void
363	_SelectionReceived(Widget w, XtPointer client_data, Atom *selection,
364	Atom type, XtPointer value, unsigned long length,
365	int *format)
366	{
367	Display *d = XtDisplay(w)(((w)->core.screen)->display);
368	TextWidget ctx = (TextWidget)w;
369	XawTextBlock text;
370
371	if (type == 0 /XT_CONVERT_FAIL/ \|\| length == 0) {
372	struct _SelectionList* list = (struct _SelectionList*)client_data;
373
374	if (list != NULL((void*)0)) {
375	if (list->asked == 0) {
376	/* If we just asked for XA_UTF8_STRING and got no response,
377	we'll ask again, this time for XA_COMPOUND_TEXT. */
378	list->asked++;
379	XtGetSelectionValue(w, list->selection, XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT),
380	_SelectionReceived,
381	(XtPointer)list, list->time);
382	} else if (list->asked == 1) {
383	/* If we just asked for XA_COMPOUND_TEXT and got no response,
384	we'll ask again, this time for XA_STRING. */
385	list->asked++;
386	XtGetSelectionValue(w, list->selection, XA_STRING((Atom) 31),
387	_SelectionReceived,
388	(XtPointer)list, list->time);
389	} else {
390	/* We tried all possible text targets in this param.
391	Recurse on the tail of the params list. */
392	GetSelection(w, list->time, list->params, list->count);
393	XtFree(client_data);
394	}
395	}
396	return;
397	}
398
399	StartAction(ctx, NULL((void*)0));
400	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) {
401	XTextProperty textprop;
402	wchar_t **wlist;
403	int count;
404
405	textprop.encoding = *type;
406	textprop.value = (unsigned char *)value;
407	textprop.nitems = strlen(value);
408	textprop.format = 8;
409
410	if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
411	!= Success0
412	\|\| count < 1) {
413	XwcFreeStringList(wlist);
414
415	/* Notify the user on strerr and in the insertion :) */
416	fprintf(stderrstderr, "Xaw Text Widget: An attempt was made to insert "
417	"an illegal selection.\n");
418
419	textprop.value = (unsigned char *)" >> ILLEGAL SELECTION << ";
420	textprop.nitems = strlen((char *) textprop.value);
421	if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
422	!= Success0
423	\|\| count < 1)
424	return;
425	}
426
427	XFree(value);
428	value = (XPointer)wlist[0];
429
430	*length = wcslen(wlist[0]);
431	XtFree((XtPointer)wlist);
432	text.format = XawFmtWide;
433	}
434	text.ptr = (char*)value;
435	text.firstPos = 0;
436	text.length = *length;
437	if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) {
438	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 0);
439	EndAction(ctx);
440	return;
441	}
442
443	ctx->text.from_left = -1;
444	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert,
445	XawstPositions, XawsdRight, text.length, True1);
446
447	EndAction(ctx);
448	XtFree(client_data);
449	XFree(value); /* the selection value should be freed with XFree */
450	}
451
452	static void
453	GetSelection(Widget w, Time timev, String *params, Cardinal num_params)
454	{
455	Display *d = XtDisplay(w)(((w)->core.screen)->display);
456	TextWidget ctx = (TextWidget)w;
457	Atom selection;
458	int buffer;
459
460	selection = XInternAtom(XtDisplay(w)(((w)->core.screen)->display), *params, False0);
461	switch (selection) {
462	case XA_CUT_BUFFER0((Atom) 9): buffer = 0; break;
463	case XA_CUT_BUFFER1((Atom) 10): buffer = 1; break;
464	case XA_CUT_BUFFER2((Atom) 11): buffer = 2; break;
465	case XA_CUT_BUFFER3((Atom) 12): buffer = 3; break;
466	case XA_CUT_BUFFER4((Atom) 13): buffer = 4; break;
467	case XA_CUT_BUFFER5((Atom) 14): buffer = 5; break;
468	case XA_CUT_BUFFER6((Atom) 15): buffer = 6; break;
469	case XA_CUT_BUFFER7((Atom) 16): buffer = 7; break;
470	default: buffer = -1;
471	}
472	if (buffer >= 0) {
473	int nbytes;
474	unsigned long length;
475	int fmt8 = 8;
476	Atom type = XA_STRING((Atom) 31);
477	char *line = XFetchBuffer(XtDisplay(w)(((w)->core.screen)->display), &nbytes, buffer);
478
479	if ((length = nbytes) != 0L)
480	_SelectionReceived(w, NULL((void*)0), &selection, &type, line, &length, &fmt8);
481	else if (num_params > 1)
482	GetSelection(w, timev, params+1, num_params-1);
483	}
484	else {
485	struct _SelectionList* list;
486
487	if (--num_params) {
488	list = XtNew(struct _SelectionList)((struct _SelectionList *) XtMalloc((unsigned) sizeof(struct _SelectionList )));
489	list->params = params + 1;
490	list->count = num_params;
491	list->time = timev;
492	list->asked = 0;
493	list->selection = selection;
494	}
495	else
496	list = NULL((void*)0);
497	XtGetSelectionValue(w, selection, XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ?
498	XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING) : XA_TEXT(d)XmuInternAtom(d, _XA_TEXT),
499	_SelectionReceived, (XtPointer)list, timev);
500	}
501	}
502
503	static void
504	InsertSelection(Widget w, XEvent event, String params, Cardinal *num_params)
505	{
506	StartAction((TextWidget)w, event); /* Get Time. */
507	GetSelection(w, ((TextWidget)w)->text.time, params, *num_params);
508	EndAction((TextWidget)w);
509	}
510
511	/*
512	* Routines for Moving Around
513	*/
514	static void
515	Move(TextWidget ctx, XEvent *event, XawTextScanDirection dir,
516	XawTextScanType type, Boolint include)
517	{
518	XawTextPosition insertPos;
519	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
520
521	if (mult < 0) {
522	mult = -mult;
523	dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
524	}
525
526	insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
527	type, dir, mult, include);
528
529	StartAction(ctx, event);
530
531	if (ctx->text.s.left != ctx->text.s.right)
532	XawTextUnsetSelection((Widget)ctx);
533
534	#ifndef OLDXAW
535	ctx->text.numeric = False0;
536	#endif
537	ctx->text.mult = 1;
538	ctx->text.showposition = True1;
539	ctx->text.from_left = -1;
540	ctx->text.insertPos = insertPos;
541	EndAction(ctx);
542	}
543
544	/ARGSUSED/
545	static void
546	MoveForwardChar(Widget w, XEvent event, String p, Cardinal *n)
547	{
548	Move((TextWidget)w, event, XawsdRight, XawstPositions, True1);
549	}
550
551	/ARGSUSED/
552	static void
553	MoveBackwardChar(Widget w, XEvent event, String p, Cardinal *n)
554	{
555	Move((TextWidget)w, event, XawsdLeft, XawstPositions, True1);
556	}
557
558	static void
559	MoveForwardWord(Widget w, XEvent event, String p, Cardinal *n)
560	{
561	if (*n && (p[0][0] == 'A' \|\| p[0][0] == 'a'))
562	Move((TextWidget)w, event, XawsdRight, XawstAlphaNumeric, False0);
563	else
564	Move((TextWidget)w, event, XawsdRight, XawstWhiteSpace, False0);
565	}
566
567	static void
568	MoveBackwardWord(Widget w, XEvent event, String p, Cardinal *n)
569	{
570	if (*n && (p[0][0] == 'A' \|\| p[0][0] == 'a'))
571	Move((TextWidget)w, event, XawsdLeft, XawstAlphaNumeric, False0);
572	else
573	Move((TextWidget)w, event, XawsdLeft, XawstWhiteSpace, False0);
574	}
575
576	static void
577	MoveForwardParagraph(Widget w, XEvent event, String p, Cardinal *n)
578	{
579	TextWidget ctx = (TextWidget)w;
580	XawTextPosition position = ctx->text.insertPos;
581	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
582
583	if (mult < 0) {
584	ctx->text.mult = -mult;
585	MoveBackwardParagraph(w, event, p, n);
586	return;
587	}
588
589	while (mult--) {
590	position = SrcScanXawTextSourceScan(ctx->text.source, position,
591	XawstEOL, XawsdRight, 1, False0) - 1;
592
593	while (position == SrcScanXawTextSourceScan(ctx->text.source, position,
594	XawstEOL, XawsdRight, 1, False0))
595	if (++position > ctx->text.lastPos) {
596	mult = 0;
597	break;
598	}
599
600	position = SrcScanXawTextSourceScan(ctx->text.source, position,
601	XawstParagraph, XawsdRight, 1, True1);
602	if (position != ctx->text.lastPos)
603	position = SrcScanXawTextSourceScan(ctx->text.source, position - 1,
604	XawstEOL, XawsdLeft, 1, False0);
605	else
606	break;
607	}
608
609	if (position != ctx->text.insertPos) {
610	XawTextUnsetSelection(w);
611	StartAction(ctx, event);
612	ctx->text.showposition = True1;
613	ctx->text.from_left = -1;
614	ctx->text.insertPos = position;
615	EndAction(ctx);
616	}
617	else
618	ctx->text.mult = 1;
619	}
620
621	/ARGSUSED/
622	static void
623	MoveBackwardParagraph(Widget w, XEvent event, String p, Cardinal *n)
624	{
625	TextWidget ctx = (TextWidget)w;
626	XawTextPosition position = ctx->text.insertPos;
627	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
628
629	if (mult < 0) {
630	ctx->text.mult = -mult;
631	MoveForwardParagraph(w, event, p, n);
632	return;
633	}
634
635	while (mult--) {
636	position = SrcScanXawTextSourceScan(ctx->text.source, position,
637	XawstEOL, XawsdLeft, 1, False0) + 1;
638
639	while (position == SrcScanXawTextSourceScan(ctx->text.source, position,
640	XawstEOL, XawsdLeft, 1, False0))
641	if (--position < 0) {
642	mult = 0;
643	break;
644	}
645
646	position = SrcScanXawTextSourceScan(ctx->text.source, position,
647	XawstParagraph, XawsdLeft, 1, True1);
648	if (position > 0 && position < ctx->text.lastPos)
649	++position;
650	else
651	break;
652	}
653
654	if (position != ctx->text.insertPos) {
655	XawTextUnsetSelection(w);
656	StartAction(ctx, event);
657	ctx->text.showposition = True1;
658	ctx->text.from_left = -1;
659	ctx->text.insertPos = position;
660	EndAction(ctx);
661	}
662	else
663	ctx->text.mult = 1;
664	}
665
666	/ARGSUSED/
667	static void
668	MoveToLineEnd(Widget w, XEvent event, String p, Cardinal *n)
669	{
670	Move((TextWidget)w, event, XawsdRight, XawstEOL, False0);
671	}
672
673	/ARGSUSED/
674	static void
675	MoveToLineStart(Widget w, XEvent event, String p, Cardinal *n)
676	{
677	Move((TextWidget)w, event, XawsdLeft, XawstEOL, False0);
678	}
679
680	static void
681	MoveLine(TextWidget ctx, XEvent *event, XawTextScanDirection dir)
682	{
683	XawTextPosition cnew, next_line, ltemp;
684	int itemp, from_left;
685	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
686
687	StartAction(ctx, event);
688
689	XawTextUnsetSelection((Widget)ctx);
690
691	if (dir == XawsdLeft)
692	mult = mult == 0 ? 5 : mult + 1;
693
694	cnew = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
695	XawstEOL, XawsdLeft, 1, False0);
696
697	if (ctx->text.from_left < 0)
698	FindDistXawTextSinkFindDistance(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.insertPos,
699	&ctx->text.from_left, &ltemp, &itemp);
700
701	cnew = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL, dir,
702	mult, (dir == XawsdRight));
703
704	next_line = SrcScanXawTextSourceScan(ctx->text.source, cnew, XawstEOL, XawsdRight, 1, False0);
705
706	FindPosXawTextSinkFindPosition(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.from_left,
707	False0, &ctx->text.insertPos, &from_left, &itemp);
708
709	if (from_left < ctx->text.from_left) {
710	XawTextBlock block;
711
712	XawTextSourceRead(ctx->text.source, ctx->text.insertPos, &block, 1);
713	if (block.length) {
714	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) {
715	if ((wchar_t )block.ptr == _Xaw_atowc(XawTAB0x09))
716	++ctx->text.insertPos;
717	}
718	else if (block.ptr[0] == XawTAB0x09)
719	++ctx->text.insertPos;
720	}
721	}
722
723	if (ctx->text.insertPos > next_line)
724	ctx->text.insertPos = next_line;
725
726	EndAction(ctx);
727	}
728
729	static void
730	MoveNextLine(Widget w, XEvent event, String p, Cardinal *n)
731	{
732	TextWidget ctx = (TextWidget)w;
733	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
734
735	if (mult < 0) {
736	ctx->text.mult = -mult;
737	MovePreviousLine(w, event, p, n);
738	return;
739	}
740
741	if (ctx->text.insertPos < ctx->text.lastPos)
742	MoveLine(ctx, event, XawsdRight);
743	else
744	ctx->text.mult = 1;
745	}
746
747	static void
748	MovePreviousLine(Widget w, XEvent event, String p, Cardinal *n)
749	{
750	TextWidget ctx = (TextWidget)w;
751	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
752
753	if (mult < 0) {
754	ctx->text.mult = -mult;
755	MoveNextLine(w, event, p, n);
756	return;
757	}
758
759	if (ctx->text.lt.top != 0 \|\| (ctx->text.lt.lines > 1 &&
760	ctx->text.insertPos >= ctx->text.lt.info[1].position))
761	MoveLine(ctx, event, XawsdLeft);
762	else
763	ctx->text.mult = 1;
764	}
765
766	/ARGSUSED/
767	static void
768	MoveBeginningOfFile(Widget w, XEvent event, String p, Cardinal *n)
769	{
770	Move((TextWidget)w, event, XawsdLeft, XawstAll, True1);
771	}
772
773	/ARGSUSED/
774	static void
775	MoveEndOfFile(Widget w, XEvent event, String p, Cardinal *n)
776	{
777	Move((TextWidget)w, event, XawsdRight, XawstAll, True1);
778	}
779
780	static void
781	Scroll(TextWidget ctx, XEvent *event, XawTextScanDirection dir)
782	{
783	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
784
785	if (mult < 0) {
786	mult = -mult;
787	dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
788	}
789
790	if (ctx->text.lt.lines > 1
791	&& (dir == XawsdRight
792	\|\| ctx->text.lastPos >= ctx->text.lt.info[1].position)) {
793	StartAction(ctx, event);
794
795	if (dir == XawsdLeft)
796	_XawTextVScroll(ctx, mult);
797	else
798	_XawTextVScroll(ctx, -mult);
799
800	EndAction(ctx);
801	}
802	else {
803	ctx->text.mult = 1;
804	#ifndef OLDXAW
805	ctx->text.numeric = False0;
806	#endif
807	}
808	}
809
810	/ARGSUSED/
811	static void
812	ScrollOneLineUp(Widget w, XEvent event, String p, Cardinal *n)
813	{
814	Scroll((TextWidget)w, event, XawsdLeft);
815	}
816
817	/ARGSUSED/
818	static void
819	ScrollOneLineDown(Widget w, XEvent event, String p, Cardinal *n)
820	{
821	Scroll((TextWidget)w, event, XawsdRight);
822	}
823
824	static void
825	MovePage(TextWidget ctx, XEvent *event, XawTextScanDirection dir)
826	{
827	int scroll_val = 0;
828	XawTextPosition old_pos;
829
830	ctx->text.from_left = -1;
831	switch (dir) {
832	case XawsdLeft:
833	if (ctx->text.lt.top != 0)
834	scroll_val = -Max(1, ctx->text.lt.lines - 1)(((1) > (ctx->text.lt.lines - 1)) ? (1) : (ctx->text .lt.lines - 1));
835	break;
836	case XawsdRight:
837	if (!IsPositionVisible(ctx, Max(0, ctx->text.lastPos))((((0) > (ctx->text.lastPos)) ? (0) : (ctx->text.lastPos )) >= ctx->text.lt.info[0].position && (((0) > (ctx->text.lastPos)) ? (0) : (ctx->text.lastPos)) < ctx->text.lt.info[ctx->text.lt.lines].position))
838	scroll_val = Max(1, ctx->text.lt.lines - 1)(((1) > (ctx->text.lt.lines - 1)) ? (1) : (ctx->text .lt.lines - 1));
839	break;
840	}
841
842	if (scroll_val)
843	XawTextScroll(ctx, scroll_val,
844	ctx->text.left_margin - ctx->text.r_margin.left);
845
846	old_pos = ctx->text.insertPos;
847	switch (dir) {
848	case XawsdRight:
849	if (IsPositionVisible(ctx, Max(0, ctx->text.lastPos))((((0) > (ctx->text.lastPos)) ? (0) : (ctx->text.lastPos )) >= ctx->text.lt.info[0].position && (((0) > (ctx->text.lastPos)) ? (0) : (ctx->text.lastPos)) < ctx->text.lt.info[ctx->text.lt.lines].position))
850	ctx->text.insertPos = Max(0, ctx->text.lastPos)(((0) > (ctx->text.lastPos)) ? (0) : (ctx->text.lastPos ));
851	else
852	ctx->text.insertPos = ctx->text.lt.top;
853	if (ctx->text.insertPos < old_pos)
854	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, old_pos,
855	XawstEOL, XawsdLeft, 1, False0);
856	break;
857	case XawsdLeft:
858	if (IsPositionVisible(ctx, 0)(0 >= ctx->text.lt.info[0].position && 0 < ctx ->text.lt.info[ctx->text.lt.lines].position))
859	ctx->text.insertPos = 0;
860	else if (ctx->text.lt.lines)
861	ctx->text.insertPos =
862	ctx->text.lt.info[ctx->text.lt.lines - 1].position;
863	else
864	ctx->text.insertPos = ctx->text.lt.top;
865	if (ctx->text.insertPos > old_pos)
866	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, old_pos,
867	XawstEOL, XawsdLeft, 1, False0);
868	break;
869	}
870	}
871
872	static void
873	MoveNextPage(Widget w, XEvent event, String p, Cardinal *n)
874	{
875	TextWidget ctx = (TextWidget)w;
876	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
877
878	if (mult < 0) {
879	ctx->text.mult = -mult;
880	MovePreviousPage(w, event, p, n);
881	return;
882	}
883
884	if (ctx->text.insertPos < ctx->text.lastPos) {
885	XawTextUnsetSelection(w);
886	StartAction(ctx, event);
887	ctx->text.clear_to_eol = True1;
888	while (mult-- && ctx->text.insertPos < ctx->text.lastPos)
889	MovePage(ctx, event, XawsdRight);
890	EndAction(ctx);
891	}
892	else
893	ctx->text.mult = 1;
894	}
895
896	/ARGSUSED/
897	static void
898	MovePreviousPage(Widget w, XEvent event, String p, Cardinal *n)
899	{
900	TextWidget ctx = (TextWidget)w;
901	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
902
903	if (mult < 0) {
904	ctx->text.mult = -mult;
905	MoveNextPage(w, event, p, n);
906	return;
907	}
908
909	if (ctx->text.insertPos > 0) {
910	XawTextUnsetSelection(w);
911	StartAction(ctx, event);
912	ctx->text.clear_to_eol = True1;
913	while (mult-- && ctx->text.insertPos > 0)
914	MovePage(ctx, event, XawsdLeft);
915	EndAction(ctx);
916	}
917	else
918	ctx->text.mult = 1;
919	}
920
921	/*
922	* Delete Routines
923	*/
924	static Boolint
925	MatchSelection(Atom selection, XawTextSelection *s)
926	{
927	Atom *match;
928	int count;
929
930	for (count = 0, match = s->selections; count < s->atom_count;
931	match++, count++)
932	if (*match == selection)
933	return (True1);
934
935	return (False0);
936	}
937
938	#define SrcCvtSelXawTextSourceConvertSelection XawTextSourceConvertSelection
939
940	static Boolean
941	ConvertSelection(Widget w, Atom selection, Atom target, Atom *type,
942	XtPointer value, unsigned long length, int *format)
943	{
944	Display *d = XtDisplay(w)(((w)->core.screen)->display);
945	TextWidget ctx = (TextWidget)w;
946	Widget src = ctx->text.source;
947	XawTextEditType edit_mode;
948	Arg args[1];
949	XawTextSelectionSalt salt = NULL((void)0);
950	XawTextSelection *s;
951
952	if (*target == XA_TARGETS(d)XmuInternAtom(d, _XA_TARGETS)) {
953	Atom targetP, std_targets;
954	unsigned long std_length;
955
956	if (SrcCvtSelXawTextSourceConvertSelection(src, selection, target, type, value, length, format))
957	return (True1);
958
959	XtSetArg(args[0], XtNeditType,&edit_mode)((void)( (args[0]).name = (((char*)&XtStrings[185])), (args [0]).value = (XtArgVal)(&edit_mode) ));
960	XtGetValues(src, args, 1);
961
962	XmuConvertStandardSelection(w, ctx->text.time, selection,
963	target, type, (XPointer *)&std_targets,
964	&std_length, format);
965
966	*length = 7 + (edit_mode == XawtextEdit) + std_length;
967	value = XtMalloc((unsigned)sizeof(Atom)(*length));
968	targetP = (Atom*)value;
969	*targetP++ = XA_STRING((Atom) 31);
970	*targetP++ = XA_TEXT(d)XmuInternAtom(d, _XA_TEXT);
971	*targetP++ = XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING);
972	*targetP++ = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT);
973	*targetP++ = XA_LENGTH(d)XmuInternAtom(d, _XA_LENGTH);
974	*targetP++ = XA_LIST_LENGTH(d)XmuInternAtom(d, _XA_LIST_LENGTH);
975	*targetP++ = XA_CHARACTER_POSITION(d)XmuInternAtom(d, _XA_CHARACTER_POSITION);
976	if (edit_mode == XawtextEdit) {
977	*targetP++ = XA_DELETE(d)XmuInternAtom(d, _XA_DELETE);
978	}
979	memcpy((char)targetP, (char)std_targets, sizeof(Atom)*std_length);
980	XtFree((char*)std_targets);
981	*type = XA_ATOM((Atom) 4);
982	*format = 32;
983	return (True1);
984	}
985
986	if (SrcCvtSelXawTextSourceConvertSelection(src, selection, target, type, value, length, format))
987	return (True1);
988
989	for (salt = ctx->text.salt2; salt; salt = salt->next)
990	if (MatchSelection (*selection, &salt->s))
991	break;
992	if (!salt)
993	return (False0);
994	s = &salt->s;
995	if (*target == XA_STRING((Atom) 31)
996	\|\| *target == XA_TEXT(d)XmuInternAtom(d, _XA_TEXT)
997	\|\| *target == XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING)
998	\|\| *target == XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT)) {
999	if (*target == XA_TEXT(d)XmuInternAtom(d, _XA_TEXT)) {
1000	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)))
1001	*type = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT);
1002	else
1003	*type = XA_STRING((Atom) 31);
1004	}
1005	else
1006	type = target;
1007
1008	/*
1009	* If salt is True, the salt->contents stores CT string,
1010	* its length is measured in bytes.
1011	* Refer to _XawTextSaltAwaySelection()
1012	*
1013	* by Li Yuhong, Mar. 20, 1991.
1014	*/
1015	if (!salt) {
1016	value = (char )_XawTextGetSTRING(ctx, s->left, s->right);
1017	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) {
1018	XTextProperty textprop;
1019	if (XwcTextListToTextProperty(d, (wchar_t**)value, 1,
1020	XCompoundTextStyle, &textprop)
1021	< Success0) {
1022	XtFree(*value);
1023	return (False0);
1024	}
1025	XtFree(*value);
1026	*value = (XtPointer)textprop.value;
1027	*length = textprop.nitems;
1028	}
1029	else
1030	length = strlen(value);
1031	}
1032	else {
1033	value = XtMalloc((salt->length + 1) sizeof(unsigned char));
1034	strcpy (*value, salt->contents);
1035	*length = salt->length;
1036	}
1037	/* Got value,length, now in COMPOUND_TEXT format. */
1038	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) {
1039	if (*type == XA_STRING((Atom) 31)) {
1040	XTextProperty textprop;
1041	wchar_t **wlist;
1042	int count;
1043
1044	textprop.encoding = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT);
1045	textprop.value = (unsigned char )value;
1046	textprop.nitems = strlen(*value);
1047	textprop.format = 8;
1048	if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count)
1049	< Success0
1050	\|\| count < 1) {
1051	XtFree(*value);
1052	return (False0);
1053	}
1054	XtFree(*value);
1055	if (XwcTextListToTextProperty(d, wlist, 1, XStringStyle, &textprop)
1056	< Success0) {
1057	XwcFreeStringList((wchar_t**)wlist);
1058	return (False0);
1059	}
1060	*value = (XtPointer)textprop.value;
1061	*length = textprop.nitems;
1062	XwcFreeStringList((wchar_t**) wlist);
1063	}
1064	else if (*type == XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING)) {
1065	XTextProperty textprop;
1066	char **list;
1067	int count;
1068
1069	textprop.encoding = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT);
1070	textprop.value = (unsigned char )value;
1071	textprop.nitems = strlen(*value);
1072	textprop.format = 8;
1073	if (Xutf8TextPropertyToTextList(d, &textprop, &list, &count)
1074	< Success0
1075	\|\| count < 1) {
1076	XtFree(*value);
1077	return (False0);
1078	}
1079	XtFree(*value);
1080	value = list;
1081	length = strlen(list);
1082	XFree(list);
1083	}
1084	}
1085	*format = 8;
1086	return (True1);
1087	}
1088
1089	if (target == XA_LIST_LENGTH(d)XmuInternAtom(d, _XA_LIST_LENGTH) \|\| target == XA_LENGTH(d)XmuInternAtom(d, _XA_LENGTH)) {
1090	long *temp;
1091
1092	temp = (long *)XtMalloc(sizeof(long));
1093	if (*target == XA_LIST_LENGTH(d)XmuInternAtom(d, _XA_LIST_LENGTH))
1094	*temp = 1L;
1095	else /* target == XA_LENGTH(d) /
1096	*temp = (long)(s->right - s->left);
1097
1098	*value = (XPointer)temp;
1099	*type = XA_INTEGER((Atom) 19);
1100	*length = 1L;
1101	*format = 32;
1102	return (True1);
1103	}
1104
1105	if (*target == XA_CHARACTER_POSITION(d)XmuInternAtom(d, _XA_CHARACTER_POSITION)) {
1106	long *temp;
1107
1108	temp = (long ) XtMalloc(2 sizeof(long));
1109	temp[0] = (long)(s->left + 1);
1110	temp[1] = s->right;
1111	*value = (XPointer)temp;
1112	*type = XA_SPAN(d)XmuInternAtom(d, _XA_SPAN);
1113	*length = 2L;
1114	*format = 32;
1115	return (True1);
1116	}
1117
1118	if (*target == XA_DELETE(d)XmuInternAtom(d, _XA_DELETE)) {
1119	if (!salt)
1120	_XawTextZapSelection(ctx, NULL((void*)0), True1);
1121	value = NULL((void)0);
1122	*type = XA_NULL(d)XmuInternAtom(d, _XA_NULL);
1123	*length = 0;
1124	*format = 32;
1125	return (True1);
1126	}
1127
1128	if (XmuConvertStandardSelection(w, ctx->text.time, selection, target, type,
1129	(XPointer *)value, length, format))
1130	return (True1);
1131
1132	return (False0);
1133	}
1134
1135	static void
1136	LoseSelection(Widget w, Atom *selection)
1137	{
1138	_LoseSelection(w, selection, NULL((void)0), NULL((void)0));
1139	}
1140
1141	static void
1142	_LoseSelection(Widget w, Atom selection, char contents, int length)
1143	{
1144	TextWidget ctx = (TextWidget)w;
1145	Atom *atomP;
1146	int i;
1147	XawTextSelectionSalt salt, prevSalt, *nextSalt;
1148
1149	prevSalt = 0;
1150	for (salt = ctx->text.salt2; salt; salt = nextSalt) {
1151	atomP = salt->s.selections;
1152	nextSalt = salt->next;
1153	for (i = 0 ; i < salt->s.atom_count; i++, atomP++)
1154	if (selection == atomP)
1155	*atomP = (Atom)0;
1156
1157	while (salt->s.atom_count
1158	&& salt->s.selections[salt->s.atom_count-1] == 0)
1159	salt->s.atom_count--;
1160
1161	/*
1162	* Must walk the selection list in opposite order from UnsetSelection.
1163	*/
1164	atomP = salt->s.selections;
1165	for (i = 0 ; i < salt->s.atom_count; i++, atomP++)
1166	if (*atomP == (Atom)0) {
1167	*atomP = salt->s.selections[--salt->s.atom_count];
1168
1169	while (salt->s.atom_count
1170	&& salt->s.selections[salt->s.atom_count-1] == 0)
1171	salt->s.atom_count--;
1172	}
1173	if (salt->s.atom_count == 0) {
1174	#ifndef OLDXAW
1175	if (contents == NULL((void*)0)) {
1176	XawTextKillRing kill_ring = XtNew(XawTextKillRing)((XawTextKillRing ) XtMalloc((unsigned) sizeof(XawTextKillRing )));
1177
1178	kill_ring->next = xaw_text_kill_ring;
1179	kill_ring->contents = salt->contents;
1180	kill_ring->length = salt->length;
1181	kill_ring->format = XawFmt8Bit;
1182	xaw_text_kill_ring = kill_ring;
1183	kill_ring_prev.next = xaw_text_kill_ring;
1184
1185	if (++num_kill_rings > MAX_KILL_RINGS1024) {
1186	XawTextKillRing tail = NULL((void)0);
1187
1188	while (kill_ring->next) {
1189	tail = kill_ring;
1190	kill_ring = kill_ring->next;
1191	}
1192	if (kill_ring->refcount == 0) {
1193	--num_kill_rings;
1194	tail->next = NULL((void*)0);
1195	XtFree(kill_ring->contents);
1196	XtFree((char*)kill_ring);
1197	}
1198	}
1199	}
1200	else {
1201	*contents = salt->contents;
1202	*length = salt->length;
1203	}
1204	#endif
1205	if (prevSalt)
1206	prevSalt->next = nextSalt;
1207	else
1208	ctx->text.salt2 = nextSalt;
1209
1210	XtFree((char *)salt->s.selections);
1211	XtFree((char *)salt);
1212	}
1213	else
1214	prevSalt = salt;
1215	}
1216	}
1217
1218	static void
1219	_DeleteOrKill(TextWidget ctx, XawTextPosition from, XawTextPosition to,
1220	Boolint kill)
1221	{
1222	XawTextBlock text;
1223
1224	#ifndef OLDXAW
1225	if (ctx->text.kill_ring_ptr) {
1226	--ctx->text.kill_ring_ptr->refcount;
1227	ctx->text.kill_ring_ptr = NULL((void*)0);
1228	}
1229	#endif
1230	if (kill && from < to) {
1231	#ifndef OLDXAW
1232	Boolint append = False0;
1233	char ring = NULL((void)0);
1234	XawTextPosition old_from = from;
1235	#endif
1236	char *string;
1237	int size = 0, length;
1238	XawTextSelectionSalt *salt;
1239	Atom selection = XInternAtom(XtDisplay(ctx)(((ctx)->core.screen)->display), "SECONDARY", False0);
1240
1241	#ifndef OLDXAW
1242	if (ctx->text.kill_ring == KILL_RING_APPEND2) {
1243	old_from = ctx->text.salt2->s.left;
1244	append = True1;
1245	}
1246	else
1247	ctx->text.kill_ring = KILL_RING_BEGIN3;
1248
1249	if (append)
1250	_LoseSelection((Widget)ctx, &selection, &ring, &size);
1251	else
1252	#endif
1253	LoseSelection((Widget)ctx, &selection);
1254
1255	salt = (XawTextSelectionSalt*)XtMalloc(sizeof(XawTextSelectionSalt));
1256	salt->s.selections = (Atom *)XtMalloc(sizeof(Atom));
1257	salt->s.left = from;
1258	salt->s.right = to;
1259
1260	string = (char *)_XawTextGetSTRING(ctx, from, to);
1261
1262	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) {
1263	XTextProperty textprop;
1264
1265	if (XwcTextListToTextProperty(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display),
1266	(wchar_t**)(&string),
1267	1, XCompoundTextStyle,
1268	&textprop) < Success0) {
1269	XtFree(string);
1270	XtFree((char*)salt->s.selections);
1271	XtFree((char*)salt);
1272	return;
1273	}
1274	XtFree(string);
1275	string = (char *)textprop.value;
1276	length = textprop.nitems;
1277	}
1278	else
1279	length = strlen(string);
1280
1281	salt->length = length + size;
1282
1283	#ifndef OLDXAW
1284	if (!append)
1285	salt->contents = string;
1286	else {
1287	salt->contents = XtMalloc(length + size + 1);
1288	if (from >= old_from) {
1289	strncpy(salt->contents, ring, size);
1290	salt->contents[size] = '\0';
1291	strncat(salt->contents, string, length);
1292	}
1293	else {
1294	strncpy(salt->contents, string, length);
1295	salt->contents[length] = '\0';
1296	strncat(salt->contents, ring, size);
1297	}
1298	salt->contents[length + size] = '\0';
1299	XtFree(ring);
1300	XtFree(string);
1301	}
1302
1303	kill_ring_prev.contents = salt->contents;
1304	kill_ring_prev.length = salt->length;
1305	kill_ring_prev.format = XawFmt8Bit;
1306	#else
1307	salt->contents = string;
1308	#endif
1309
1310	salt->next = ctx->text.salt2;
1311	ctx->text.salt2 = salt;
1312
1313	#ifndef OLDXAW
1314	if (append)
1315	ctx->text.kill_ring = KILL_RING_BEGIN3;
1316	#endif
1317
1318	salt->s.selections[0] = selection;
1319
1320	XtOwnSelection((Widget)ctx, selection, ctx->text.time,
1321	ConvertSelection, LoseSelection, NULL((void*)0));
1322	salt->s.atom_count = 1;
1323	}
1324	text.length = 0;
1325	text.firstPos = 0;
1326
1327	text.format = _XawTextFormat(ctx);
1328	text.ptr = "";
1329
1330	if (_XawTextReplace(ctx, from, to, &text)) {
1331	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50);
1332	return;
1333	}
1334	ctx->text.from_left = -1;
1335	ctx->text.insertPos = from;
1336	ctx->text.showposition = TRUE1;
1337	}
1338
1339	static void
1340	DeleteOrKill(TextWidget ctx, XEvent *event, XawTextScanDirection dir,
1341	XawTextScanType type, Boolint include, Boolint kill)
1342	{
1343	XawTextPosition from, to;
1344	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
1345
1346	if (mult < 0) {
1347	mult = -mult;
1348	dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
1349	}
1350
1351	StartAction(ctx, event);
1352	#ifndef OLDXAW
1353	if (mult == 1)
1354	_XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1);
1355	#endif
1356	to = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
1357	type, dir, mult, include);
1358
1359	/*
1360	* If no movement actually happened, then bump the count and try again.
1361	* This causes the character position at the very beginning and end of
1362	* a boundary to act correctly
1363	*/
1364	if (to == ctx->text.insertPos)
1365	to = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
1366	type, dir, mult + 1, include);
1367
1368	if (dir == XawsdLeft) {
1369	from = to;
1370	to = ctx->text.insertPos;
1371	}
1372	else
1373	from = ctx->text.insertPos;
1374
1375	_DeleteOrKill(ctx, from, to, kill);
1376	EndAction(ctx);
1377	}
1378
1379	static void
1380	Delete(Widget w, XEvent event, String p, Cardinal *n)
1381	{
1382	TextWidget ctx = (TextWidget)w;
1383
1384	if (ctx->text.s.left != ctx->text.s.right)
1385	DeleteCurrentSelection(w, event, p, n);
1386	else
1387	DeleteBackwardChar(w, event, p, n);
1388	}
1389
1390	static void
1391	DeleteChar(Widget w, XEvent *event, XawTextScanDirection dir)
1392	{
1393	TextWidget ctx = (TextWidget)w;
1394	short mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
1395
1396	if (mul < 0) {
1397	ctx->text.mult = mul = -mul;
1398	dir = dir == XawsdLeft ? XawsdRight : XawsdLeft;
1399	}
1400	DeleteOrKill(ctx, event, dir, XawstPositions, True1, False0);
1401	#ifndef OLDXAW
1402	if (mul == 1)
1403	_XawSourceSetUndoErase((TextSrcObject)ctx->text.source,
1404	dir == XawsdLeft ? -1 : 1);
1405	#endif
1406	}
1407
1408	/ARGSUSED/
1409	static void
1410	DeleteForwardChar(Widget w, XEvent event, String p, Cardinal *n)
1411	{
1412	DeleteChar(w, event, XawsdRight);
1413	}
1414
1415	/ARGSUSED/
1416	static void
1417	DeleteBackwardChar(Widget w, XEvent event, String p, Cardinal *n)
1418	{
1419	DeleteChar(w, event, XawsdLeft);
1420	}
1421
1422	static void
1423	DeleteForwardWord(Widget w, XEvent event, String params, Cardinal *num_params)
1424	{
1425	XawTextScanType type;
1426
1427	if (num_params && (params[0] == 'A' \|\| *params[0] == 'a'))
1428	type = XawstAlphaNumeric;
1429	else
1430	type = XawstWhiteSpace;
1431
1432	DeleteOrKill((TextWidget)w, event, XawsdRight, type, False0, False0);
1433	}
1434
1435	static void
1436	DeleteBackwardWord(Widget w, XEvent event, String params, Cardinal *num_params)
1437	{
1438	XawTextScanType type;
1439
1440	if (num_params && (params[0] == 'A' \|\| *params[0] == 'a'))
1441	type = XawstAlphaNumeric;
1442	else
1443	type = XawstWhiteSpace;
1444
1445	DeleteOrKill((TextWidget)w, event, XawsdLeft, type, False0, False0);
1446	}
1447
1448	static void
1449	KillForwardWord(Widget w, XEvent event, String params, Cardinal *num_params)
1450	{
1451	XawTextScanType type;
1452
1453	if (num_params && (params[0] == 'A' \|\| *params[0] == 'a'))
1454	type = XawstAlphaNumeric;
1455	else
1456	type = XawstWhiteSpace;
1457
1458	DeleteOrKill((TextWidget)w, event, XawsdRight, type, False0, True1);
1459	}
1460
1461	static void
1462	KillBackwardWord(Widget w, XEvent event, String params, Cardinal *num_params)
1463	{
1464	XawTextScanType type;
1465
1466	if (num_params && (params[0] == 'A' \|\| *params[0] == 'a'))
1467	type = XawstAlphaNumeric;
1468	else
1469	type = XawstWhiteSpace;
1470
1471	DeleteOrKill((TextWidget) w, event, XawsdLeft, type, False0, True1);
1472	}
1473
1474	/ARGSUSED/
1475	static void
1476	KillToEndOfLine(Widget w, XEvent event, String p, Cardinal *n)
1477	{
1478	TextWidget ctx = (TextWidget)w;
1479	XawTextPosition end_of_line;
1480	XawTextScanDirection dir = XawsdRight;
1481	short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
1482
1483	if (mult < 0) {
1484	dir = XawsdLeft;
1485	mult = -mult;
1486	}
1487
1488	StartAction(ctx, event);
1489	end_of_line = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL,
1490	dir, mult, False0);
1491	if (end_of_line == ctx->text.insertPos)
1492	end_of_line = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL,
1493	dir, mult, True1);
1494
1495	if (dir == XawsdRight)
1496	_DeleteOrKill(ctx, ctx->text.insertPos, end_of_line, True1);
1497	else
1498	_DeleteOrKill(ctx, end_of_line, ctx->text.insertPos, True1);
1499	EndAction(ctx);
1500	}
1501
1502	/ARGSUSED/
1503	static void
1504	KillToEndOfParagraph(Widget w, XEvent event, String p, Cardinal *n)
1505	{
1506	DeleteOrKill((TextWidget)w, event, XawsdRight, XawstParagraph, False0, True1);
1507	}
1508
1509	void
1510	_XawTextZapSelection(TextWidget ctx, XEvent *event, Boolint kill)
1511	{
1512	StartAction(ctx, event);
1513	_DeleteOrKill(ctx, ctx->text.s.left, ctx->text.s.right, kill);
1514	EndAction(ctx);
1515	}
1516
1517	/ARGSUSED/
1518	static void
1519	KillCurrentSelection(Widget w, XEvent event, String p, Cardinal *n)
1520	{
1521	_XawTextZapSelection((TextWidget) w, event, True1);
1522	}
1523
1524	#ifndef OLDXAW
1525	/ARGSUSED/
1526	static void
1527	KillRingYank(Widget w, XEvent event, String params, Cardinal *num_params)
1528	{
1529	TextWidget ctx = (TextWidget)w;
1530	XawTextPosition insertPos = ctx->text.insertPos;
1531	Boolint first_yank = False0;
1532
1533	if (ctx->text.s.left != ctx->text.s.right)
1534	XawTextUnsetSelection((Widget)ctx);
1535
1536	StartAction(ctx, event);
1537
1538	if (ctx->text.kill_ring_ptr == NULL((void*)0)) {
1539	ctx->text.kill_ring_ptr = &kill_ring_prev;
1540	++ctx->text.kill_ring_ptr->refcount;
1541	ctx->text.s.left = ctx->text.s.right = insertPos;
1542	first_yank = True1;
1543	}
1544	if (ctx->text.kill_ring_ptr) {
1545	int mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
1546	XawTextBlock text;
1547
1548	if (!first_yank) {
1549	if (mul < 0)
1550	mul = 1;
1551	--ctx->text.kill_ring_ptr->refcount;
1552	while (mul--) {
1553	if ((ctx->text.kill_ring_ptr = ctx->text.kill_ring_ptr->next) == NULL((void*)0))
1554	ctx->text.kill_ring_ptr = &kill_ring_null;
1555	}
1556	++ctx->text.kill_ring_ptr->refcount;
1557	}
1558	text.firstPos = 0;
1559	text.length = ctx->text.kill_ring_ptr->length;
1560	text.ptr = ctx->text.kill_ring_ptr->contents;
1561	text.format = ctx->text.kill_ring_ptr->format;
1562
1563	if (_XawTextReplace(ctx, ctx->text.s.left, insertPos, &text) == XawEditDone0) {
1564	ctx->text.kill_ring = KILL_RING_YANK100;
1565	ctx->text.insertPos = ctx->text.s.left + text.length;
1566	}
1567	}
1568	else
1569	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
1570
1571	EndAction(ctx);
1572	}
1573	#endif /* OLDXAW */
1574
1575	/ARGSUSED/
1576	static void
1577	DeleteCurrentSelection(Widget w, XEvent event, String p, Cardinal *n)
1578	{
1579	_XawTextZapSelection((TextWidget)w, event, False0);
1580	}
1581
1582	#ifndef OLDXAW
1583	#define CHECK_SAVE() \
1584	if (save && !save->ptr) \
1585	save->ptr = _XawTextGetText(ctx, save->firstPos, \
1586	save->firstPos + save->length)
1587	static Boolint
1588	StripSpaces(TextWidget ctx, XawTextPosition left, XawTextPosition right,
1589	XawTextPosition pos, int num_pos, XawTextBlock save)
1590	{
1591	Boolint done, space;
1592	int i, cpos, count = 0;
1593	XawTextBlock block, text;
1594	XawTextPosition ipos, position = left, tmp = left;
1595
1596	text.firstPos = 0;
1597	text.format = XawFmt8Bit;
1598	text.ptr = " ";
1599	text.length = 1;
1600
1601	position = XawTextSourceRead(ctx->text.source, position,
1602	&block, right - left);
1603	done = False0;
1604	space = False0;
1605	/* convert tabs and returns to spaces */
1606	while (!done) {
1607	if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) {
1608	for (i = 0; i < block.length; i++)
1609	if (block.ptr[i] == '\t' \|\| block.ptr[i] == '\n') {
1610	space = True1;
1611	break;
1612	}
1613	}
1614	else {
1615	wchar_t wptr = (wchar_t)block.ptr;
1616	for (i = 0; i < block.length; i++)
1617	if (wptr[i] == _Xaw_atowc('\t') \|\| wptr[i] == _Xaw_atowc('\n')) {
1618	space = True1;
1619	break;
1620	}
1621	}
1622	if (space) {
1623	CHECK_SAVE();
1624	if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text))
1625	return (False0);
1626	space = False0;
1627	}
1628	tmp += i;
1629	position = XawTextSourceRead(ctx->text.source, tmp,
1630	&block, right - tmp);
1631	if (block.length == 0 \|\| tmp == position \|\| tmp >= right)
1632	done = True1;
1633	}
1634
1635	text.ptr = "";
1636	text.length = 0;
1637	position = tmp = left;
1638	position = XawTextSourceRead(ctx->text.source, position,
1639	&block, right - left);
1640	ipos = ctx->text.insertPos;
1641	done = False0;
1642	while (!done) {
1643	if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) {
1644	for (i = 0; i < block.length; i++)
1645	if (block.ptr[i] == ' ')
1646	++count;
1647	else if (count == 1)
1648	count = 0;
1649	else if (count)
1650	break;
1651	}
1652	else {
1653	wchar_t wptr = (wchar_t)block.ptr;
1654	for (i = 0; i < block.length; i++)
1655	if (wptr[i] == _Xaw_atowc(' '))
1656	++count;
1657	else if (count == 1)
1658	count = 0;
1659	else if (count)
1660	break;
1661	}
1662	if (--count > 0) {
1663	CHECK_SAVE();
1664	if (_XawTextReplace(ctx, tmp + i - count, tmp + i, &text))
1665	return (False0);
1666	right -= count;
1667	if (num_pos) {
1668	for (cpos = 0; cpos < num_pos; cpos++) {
1669	if (tmp + i - count < pos[cpos]) {
1670	if (tmp + i < pos[cpos])
1671	pos[cpos] -= count;
1672	else
1673	pos[cpos] = tmp + i - count;
1674	}
1675	}
1676	}
1677	else {
1678	if (tmp + i - count < ipos) {
1679	if (tmp + i < ipos)
1680	ipos -= count;
1681	else
1682	ipos = tmp + i - count;
1683	}
1684	}
1685	tmp += i - count;
1686	}
1687	else
1688	tmp += i + 1;
1689	count = 0;
1690	position = XawTextSourceRead(ctx->text.source, tmp,
1691	&block, right - tmp);
1692	if (block.length == 0 \|\| tmp == position \|\| tmp >= right)
1693	done = True1;
1694	}
1695	if (!num_pos)
1696	ctx->text.insertPos = ipos;
1697
1698	return (True1);
1699	}
1700
1701	static Boolint
1702	Tabify(TextWidget ctx, XawTextPosition left, XawTextPosition right,
1703	XawTextPosition pos, int num_pos, XawTextBlock save)
1704	{
1705	Boolint done, zero;
1706	int i, cpos, count = 0, column = 0, offset = 0;
1707	XawTextBlock text, block;
1708	XawTextPosition ipos, position = left, tmp = left;
1709	TextSinkObject sink = (TextSinkObject)ctx->text.sink;
1710	short *char_tabs = sink->text_sink.char_tabs;
1711	int tab_count = sink->text_sink.tab_count;
1712	int tab_index = 0, tab_column = 0, TAB_SIZE = DEFAULT_TAB_SIZE8;
1713
1714	text.firstPos = 0;
1715	text.ptr = "\t";
1716	text.format = XawFmt8Bit;
1717	text.length = 1;
1718
1719	position = XawTextSourceRead(ctx->text.source, position,
1720	&block, right - left);
1721	ipos = ctx->text.insertPos;
1722	done = zero = False0;
1723	if (tab_count)
1724	TAB_SIZE = *char_tabs;
1725	while (!done) {
1726	if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) {
1727	for (i = 0; i < block.length; i++) {
1728	++offset;
1729	++column;
1730	if (tab_count) {
1731	if (column > tab_column + char_tabs[tab_index]) {
1732	TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs;
1733	if (++tab_index >= tab_count) {
1734	tab_column += char_tabs[tab_count - 1];
1735	tab_index = 0;
1736	}
1737	}
1738	}
1739	if (block.ptr[i] == ' ') {
1740	if (++count > TAB_SIZE)
1741	count %= TAB_SIZE;
1742	if ((tab_count && column == tab_column + char_tabs[tab_index]) \|\|
1743	(!tab_count && column % TAB_SIZE == 0)) {
1744	if (count % (TAB_SIZE + 1) > 1)
1745	break;
1746	else
1747	count = 0;
1748	}
1749	}
1750	else {
1751	if (block.ptr[i] == '\n') {
1752	zero = True1;
1753	break;
1754	}
1755	count = 0;
1756	}
1757	}
1758	}
1759	else {
1760	wchar_t wptr = (wchar_t)block.ptr;
1761	for (i = 0; i < block.length; i++) {
1762	++offset;
1763	++column;
1764	if (tab_count) {
1765	if (column > tab_column + char_tabs[tab_index]) {
1766	TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs;
1767	if (++tab_index >= tab_count) {
1768	tab_column += char_tabs[tab_count - 1];
1769	tab_index = 0;
1770	}
1771	}
1772	}
1773	if (wptr[i] == _Xaw_atowc(' ')) {
1774	if (++count > TAB_SIZE)
1775	count %= TAB_SIZE;
1776	if ((tab_count && column == tab_column + char_tabs[tab_index]) \|\|
1777	(!tab_count && column % TAB_SIZE == 0)) {
1778	if (count % (TAB_SIZE + 1) > 1)
1779	break;
1780	else
1781	count = 0;
1782	}
1783	}
1784	else {
1785	if (wptr[i] == _Xaw_atowc('\n')) {
1786	zero = True1;
1787	break;
1788	}
1789	count = 0;
1790	}
1791	}
1792	}
1793	count %= TAB_SIZE + 1;
1794	if (!zero && count > 1 && i < block.length) {
1795	CHECK_SAVE();
1796	if (_XawTextReplace(ctx, tmp + i - count + 1, tmp + i + 1, &text))
1797	return (False0);
1798	right -= count - 1;
1799	offset -= count - 1;
1800	if (num_pos) {
1801	for (cpos = 0; cpos < num_pos; cpos++) {
1802	if (tmp + i - count + 1 < pos[cpos]) {
1803	if (tmp + i + 1 < pos[cpos])
1804	pos[cpos] -= count;
1805	else
1806	pos[cpos] = tmp + i - count + 1;
1807	++pos[cpos];
1808	}
1809	}
1810	}
1811	else {
1812	if (tmp + i - count + 1 < ipos) {
1813	if (tmp + i + 1 < ipos)
1814	ipos -= count;
1815	else
1816	ipos = tmp + i - count + 1;
1817	++ipos;
1818	}
1819	}
1820	}
1821	if (count)
1822	--count;
1823	if (zero) {
1824	count = column = 0;
1825	zero = False0;
1826	if (tab_count) {
1827	tab_column = tab_index = 0;
1828	TAB_SIZE = *char_tabs;
1829	}
1830	}
1831	else if (i < block.length)
1832	count = 0;
1833	tmp = left + offset;
1834	position = XawTextSourceRead(ctx->text.source, tmp,
1835	&block, right - tmp);
1836	if (tmp == position \|\| tmp >= right)
1837	done = True1;
1838	}
1839	if (!num_pos)
1840	ctx->text.insertPos = ipos;
1841
1842	return (True1);
1843	}
1844
1845	static Boolint
1846	Untabify(TextWidget ctx, XawTextPosition left, XawTextPosition right,
1847	XawTextPosition pos, int num_pos, XawTextBlock save)
1848	{
1849	Boolint done, zero;
1850	int i, cpos, count = 0, diff = 0;
1851	XawTextBlock block, text;
1852	XawTextPosition ipos, position = left, tmp = left;
1853	TextSinkObject sink = (TextSinkObject)ctx->text.sink;
1854	short *char_tabs = sink->text_sink.char_tabs;
1855	int tab_count = sink->text_sink.tab_count;
1856	int tab_index = 0, tab_column = 0, tab_base = 0;
1857	static char *tabs = " ";
1858
1859	text.firstPos = 0;
1860	text.format = XawFmt8Bit;
1861	text.ptr = tabs;
1862
1863	position = XawTextSourceRead(ctx->text.source, position,
1864	&block, right - left);
1865	ipos = ctx->text.insertPos;
1866	done = False0;
1867	zero = False0;
1868	while (!done) {
1869	if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)))
1870	for (i = 0; i < block.length; i++) {
1871	if (block.ptr[i] != '\t') {
1872	++count;
1873	if (block.ptr[i] == '\n') {
1874	zero = True1;
1875	break;
1876	}
1877	}
1878	else
1879	break;
1880	}
1881	else {
1882	wchar_t wptr = (wchar_t)block.ptr;
1883	for (i = 0; i < block.length; i++)
1884	if (wptr[i] != _Xaw_atowc('\t')) {
1885	++count;
1886	if (wptr[i] != _Xaw_atowc('\n')) {
1887	zero = True1;
1888	break;
1889	}
1890	}
1891	else
1892	break;
1893	}
1894	if (!zero && i < block.length) {
1895	if (tab_count) {
1896	while (tab_base + tab_column <= count) {
1897	for (; tab_index < tab_count; ++tab_index)
1898	if (tab_base + char_tabs[tab_index] > count) {
1899	tab_column = char_tabs[tab_index];
1900	break;
1901	}
1902	if (tab_index >= tab_count) {
1903	tab_base += char_tabs[tab_count - 1];
1904	tab_column = tab_index = 0;
1905	}
1906	}
1907	text.length = (tab_base + tab_column) - count;
1908	if (text.length > 8) {
1909	int j;
1910
1911	text.ptr = XtMalloc(text.length);
1912	for (j = 0; j < text.length; j++)
1913	text.ptr[j] = ' ';
1914	}
1915	else
1916	text.ptr = tabs;
1917	}
1918	else
1919	text.length = DEFAULT_TAB_SIZE8 - (count % DEFAULT_TAB_SIZE8);
1920	CHECK_SAVE();
1921	if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text)) {
1922	if (tab_count && text.length > 8)
1923	XtFree(text.ptr);
1924	return (False0);
1925	}
1926	if (tab_count && text.length > 8)
1927	XtFree(text.ptr);
1928	count += text.length;
1929	right += text.length - 1;
1930	if (num_pos) {
1931	for (cpos = 0; cpos < num_pos; cpos++) {
1932	if (tmp + i < pos[cpos]) {
1933	if (tmp + i + 1 < pos[cpos])
1934	--pos[cpos];
1935	else
1936	pos[cpos] = tmp + i;
1937	pos[cpos] += text.length;
1938	}
1939	}
1940	}
1941	else {
1942	if (tmp + i < ipos) {
1943	if (tmp + i + 1 < ipos)
1944	--ipos;
1945	else
1946	ipos = tmp + i;
1947	ipos += text.length;
1948	}
1949	}
1950	}
1951	tmp = left + count + diff;
1952	if (zero) {
1953	diff += count;
1954	count = 0;
1955	zero = False0;
1956	if (tab_count)
1957	tab_base = tab_column = tab_index = 0;
1958	}
1959	position = XawTextSourceRead(ctx->text.source, tmp,
1960	&block, right - tmp);
1961	if (tmp == position \|\| tmp >= right)
1962	done = True1;
1963	}
1964	if (!num_pos)
1965	ctx->text.insertPos = ipos;
1966
1967	return (True1);
1968	}
1969
1970	static int
1971	FormatText(TextWidget ctx, XawTextPosition left, Boolint force,
1972	XawTextPosition *pos, int num_pos)
1973	{
1974	char ptr = NULL((void)0);
1975	Boolint freepos = False0, undo, paragraph = pos != NULL((void*)0);
1976	int i, result;
1977	XawTextBlock block, *text;
1978	XawTextPosition end = ctx->text.lastPos, buf[32];
1979	TextSrcObject src = (TextSrcObject)ctx->text.source;
1980	XawTextPosition right = SrcScanXawTextSourceScan(ctx->text.source, left, XawstEOL,
1981	XawsdRight, 1, False0);
1982
1983	undo = src->textSrc.enable_undo && src->textSrc.undo_state == False0;
1984	if (undo) {
1985	if (!pos) {
1986	num_pos = src->textSrc.num_text;
1987	pos = XawStackAlloc(sizeof(XawTextPosition) * num_pos, buf)((sizeof(XawTextPosition) * num_pos) <= sizeof(buf) ? (XtPointer )(buf) : XtMalloc((unsigned)(sizeof(XawTextPosition) * num_pos )));
1988	for (i = 0; i < num_pos; i++)
1989	pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos;
1990	freepos = True1;
1991	}
1992	else
1993	freepos = False0;
1994	src->textSrc.undo_state = True1;
1995	block.ptr = NULL((void*)0);
1996	block.firstPos = left;
1997	block.length = right - left;
1998	text = &block;
1999	}
2000	else
2001	text = NULL((void*)0);
2002
2003	result = DoFormatText(ctx, left, force, 1, text, pos, num_pos, paragraph);
2004	if (undo && result == XawEditDone0 && block.ptr) {
2005	char lbuf, rbuf;
2006	unsigned llen, rlen, size;
2007
2008	ptr = lbuf = block.ptr;
2009	llen = block.length;
2010	rlen = llen + (ctx->text.lastPos - end);
2011
2012	block.firstPos = 0;
2013	block.format = _XawTextFormat(ctx);
2014
2015	rbuf = _XawTextGetText(ctx, left, left + rlen);
2016
2017	size = XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? sizeof(wchar_t) : sizeof(char);
2018	if (llen != rlen \|\| memcmp(lbuf, rbuf, llen * size)) {
2019	block.ptr = lbuf;
2020	block.length = llen;
2021	_XawTextReplace(ctx, left, left + rlen, &block);
2022
2023	src->textSrc.undo_state = False0;
2024	block.ptr = rbuf;
2025	block.length = rlen;
2026	_XawTextReplace(ctx, left, left + llen, &block);
2027	}
2028	else
2029	src->textSrc.undo_state = False0;
2030	XtFree(rbuf);
2031	}
2032	if (undo) {
2033	src->textSrc.undo_state = False0;
2034	if (freepos) {
2035	for (i = 0; i < num_pos; i++) {
2036	TextWidget tw = (TextWidget)src->textSrc.text[i];
2037	tw->text.insertPos = XawMin(XawMax(0, pos[i]), tw->text.lastPos)((((0) > (pos[i]) ? (0) : (pos[i]))) < (tw->text.lastPos ) ? (((0) > (pos[i]) ? (0) : (pos[i]))) : (tw->text.lastPos ));
2038	}
2039	XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0);
2040	}
2041	if (ptr)
2042	XtFree(ptr);
2043	}
2044
2045	return (result);
2046	}
2047
2048	static int
2049	DoFormatText(TextWidget ctx, XawTextPosition left, Boolint force, int level,
2050	XawTextBlock save, XawTextPosition pos, int num_pos,
2051	Boolint paragraph)
2052	{
2053	XawTextPosition right = SrcScanXawTextSourceScan(ctx->text.source, left, XawstEOL,
2054	XawsdRight, 1, False0);
2055	XawTextPosition position, tmp, ipos;
2056	XawTextBlock block, text;
2057	char buf[128];
2058	wchar_t *wptr;
2059	int i, count, cpos;
2060	Boolint done, force2 = force, recurse = False0;
2061
2062	position = XawTextSourceRead(ctx->text.source, left, &block, right - left);
2063	if (block.length == 0 \|\| left >= right \|\|
2064	(level == 1 && ((XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) &&
2065	block.ptr[0] != ' ' &&
2066	block.ptr[0] != '\t' &&
2067	!isalnum((unsigned char)block.ptr)((__ctype_b_loc ())[(int) (((unsigned char*)block.ptr))] & (unsigned short int) _ISalnum)) \|\|
2068	(XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) &&
2069	_Xaw_atowc(XawSP0x20) != (wchar_t)block.ptr &&
2070	_Xaw_atowc(XawTAB0x09) != (wchar_t)block.ptr &&
2071	!iswalnum((wchar_t)block.ptr)))))
2072	return (XawEditDone0);
2073
2074	if (level == 1 && !paragraph) {
2075	tmp = ctx->text.lastPos;
2076	if (Untabify(ctx, left, right, pos, num_pos, save) == False0)
2077	return (XawEditError1);
2078	right += ctx->text.lastPos - tmp;
2079	position = XawTextSourceRead(ctx->text.source, left, &block,
2080	right - left);
2081	}
2082
2083	text.firstPos = 0;
2084	text.format = XawFmt8Bit;
2085
2086	ipos = ctx->text.insertPos;
2087	count = 0;
2088	done = False0;
2089	while (!done) {
2090	if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) {
2091	for (i = 0; i < block.length; i++)
2092	if (block.ptr[i] == ' ')
2093	++count;
2094	else {
2095	done = True1;
2096	break;
2097	}
2098	}
2099	else {
2100	wptr = (wchar_t*)block.ptr;
2101	for (i = 0; i < block.length; i++)
2102	if (wptr[i] == _Xaw_atowc(' '))
2103	++count;
2104	else {
2105	done = True1;
2106	break;
2107	}
2108	}
2109	tmp = position;
2110	position = XawTextSourceRead(ctx->text.source, position,
2111	&block, right - position);
2112	if (tmp == position)
2113	done = True1;
2114	}
2115	position = left + count;
2116	if (count < ctx->text.left_column) {
2117	int bytes = ctx->text.left_column - count;
2118
2119	text.ptr = XawStackAlloc(bytes, buf)((bytes) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(bytes)));
2120	text.length = bytes;
2121	for (i = 0; i < bytes; i++)
2122	text.ptr[i] = ' ';
2123	CHECK_SAVE();
2124	if (_XawTextReplace(ctx, left, left, &text)) {
2125	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2126	return (XawEditError1);
2127	}
2128	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2129	right += bytes;
2130	if (num_pos) {
2131	for (cpos = 0; cpos < num_pos; cpos++)
2132	if (pos[cpos] >= left)
2133	pos[cpos] += bytes;
2134	}
2135	if (ipos >= left)
2136	ipos += bytes;
2137	count += bytes;
2138	}
2139
2140	done = False0;
2141	if (!paragraph && level == 1
2142	&& ipos <= right && ipos - left > ctx->text.right_column) {
2143	XawTextPosition len = ctx->text.lastPos;
2144	int skip = ctx->text.justify == XawjustifyRight
2145	\|\| ctx->text.justify == XawjustifyCenter ?
2146	ctx->text.left_column : count;
2147
2148	if (pos)
2149	for (i = 0; i < num_pos; i++)
2150	if (pos[i] == ipos)
2151	break;
2152
2153	StripSpaces(ctx, left + skip, right, pos, num_pos, save);
2154	right += ctx->text.lastPos - len;
2155	if (pos && i < num_pos)
2156	ipos = pos[i];
2157	else
2158	ipos = ctx->text.insertPos;
2159	done = ipos - left > ctx->text.right_column;
2160	count = skip + (count == skip + 1);
2161	}
2162	if ((paragraph \|\| done) && right - left > ctx->text.right_column) {
2163	position = tmp = right;
2164	XawTextSourceRead(ctx->text.source, position - 1, &block, 1);
2165	if (block.length &&
2166	((XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) &&
2167	block.ptr[0] == ' ') \|\|
2168	(XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) &&
2169	_Xaw_atowc(XawSP0x20) == (wchar_t)block.ptr)))
2170	--position;
2171	while (position - left > ctx->text.right_column) {
2172	tmp = position;
2173	position = SrcScanXawTextSourceScan(ctx->text.source, position,
2174	XawstWhiteSpace, XawsdLeft, 1, True1);
2175	}
2176	if (position <= left + ctx->text.left_column)
2177	position = tmp;
2178	if (position > left && position - left > ctx->text.left_column
2179	&& position != right) {
2180	text.ptr = "\n";
2181	text.length = 1;
2182	CHECK_SAVE();
2183	if (_XawTextReplace(ctx, position, position + 1, &text))
2184	return (XawEditError1);
2185	right = position;
2186	recurse = True1;
2187	force = True1;
2188	}
2189	}
2190
2191	if (force) {
2192	if (ctx->text.justify == XawjustifyCenter)
2193	count = ctx->text.right_column - (count - ctx->text.left_column);
2194	else
2195	count = ctx->text.right_column;
2196	if (count > right - left)
2197	count -= right - left;
2198	else
2199	count = 0;
2200	}
2201	else
2202	count = 0;
2203	if (count > 0) {
2204	switch (ctx->text.justify) {
2205	case XawjustifyLeft:
2206	break;
2207	case XawjustifyRight:
2208	case XawjustifyCenter:
2209	if (ctx->text.justify == XawjustifyCenter) {
2210	int alnum = 0;
2211
2212	if (!(count & 1)) {
2213	XawTextSourceRead(ctx->text.source, right, &block, 1);
2214	if ((XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))
2215	&& isalnum((unsigned char)block.ptr)((__ctype_b_loc ())[(int) (((unsigned char*)block.ptr))] & (unsigned short int) _ISalnum)) \|\|
2216	(XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))
2217	&& iswalnum((wchar_t)block.ptr)))
2218	alnum = 1;
2219	}
2220	count = (count + alnum) >> 1;
2221	}
2222	text.ptr = XawStackAlloc(count, buf)((count) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(count)));
2223	text.length = count;
2224	for (i = 0; i < count; i++)
2225	text.ptr[i] = ' ';
2226	CHECK_SAVE();
2227	if (_XawTextReplace(ctx, left, left, &text)) {
2228	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2229	return (XawEditError1);
2230	}
2231	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2232	position += count;
2233	right += count;
	Value stored to 'right' is never read
2234	if (num_pos) {
2235	for (cpos = 0; cpos < num_pos; cpos++)
2236	if (pos[cpos] > left)
2237	pos[cpos] += count;
2238	}
2239	else if (ipos > left)
2240	ipos += count;
2241	break;
2242	case XawjustifyFull:
2243	i = 0;
2244	tmp = left;
2245	/CONSTCOND/
2246	while (True1) {
2247	tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstWhiteSpace,
2248	XawsdRight, 1, True1);
2249	if (tmp < right)
2250	++i;
2251	else
2252	break;
2253	}
2254	if (i) {
2255	double inc, ii;
2256	int bytes, steps;
2257
2258	bytes = count;
2259	inc = ii = (count + .5) / (double)i;
2260
2261	steps = count;
2262	text.ptr = XawStackAlloc(steps, buf)((steps) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(steps)));
2263	for (i = 0; i < steps; i++)
2264	text.ptr[i] = ' ';
2265	tmp = left;
2266	CHECK_SAVE();
2267	while (bytes) {
2268	steps = 1;
2269	while (inc + ii < 1) {
2270	++steps;
2271	inc += ii;
2272	}
2273	tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstWhiteSpace,
2274	XawsdRight, steps, True1);
2275	if (bytes > inc)
2276	text.length = (int)inc;
2277	else
2278	text.length = bytes;
2279	bytes -= text.length;
2280	if (_XawTextReplace(ctx, tmp, tmp, &text)) {
2281	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2282	return (XawEditError1);
2283	}
2284	if (num_pos) {
2285	for (cpos = 0; cpos < num_pos; cpos++)
2286	if (tmp <= pos[cpos])
2287	pos[cpos] += text.length;
2288	}
2289	else if (tmp <= ipos)
2290	ipos += text.length;
2291	inc -= (int)inc;
2292	inc += ii;
2293	}
2294	position += count;
2295	right += count;
2296	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2297	}
2298	break;
2299	}
2300	}
2301
2302	if (!num_pos)
2303	ctx->text.insertPos = XawMin(ipos, ctx->text.lastPos)((ipos) < (ctx->text.lastPos) ? (ipos) : (ctx->text. lastPos));
2304
2305	return (recurse ? DoFormatText(ctx, position + 1,
2306	ctx->text.justify != XawjustifyFull
2307	&& (force2 \|\| paragraph),
2308	++level, save, pos, num_pos, paragraph)
2309	: XawEditDone0);
2310	}
2311	#undef CHECK_SAVE
2312
2313	/ARGSUSED/
2314	static void
2315	Indent(Widget w, XEvent event, String params, Cardinal *num_params)
2316	{
2317	TextWidget ctx = (TextWidget)w;
2318	TextSrcObject src = (TextSrcObject)ctx->text.source;
2319	XawTextPosition from, to, tmp, end = 0, pos, posbuf[32];
2320	char buf[32];
2321	XawTextBlock text;
2322	int i, spaces = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
2323	char lbuf = NULL((void)0), *rbuf;
2324	unsigned llen = 0, rlen, size;
2325	Boolint undo = src->textSrc.enable_undo && src->textSrc.undo_state == False0;
2326	Boolint format = ctx->text.auto_fill
2327	&& ctx->text.left_column < ctx->text.right_column;
2328
2329	text.firstPos = 0;
2330	text.format = XawFmt8Bit;
2331	text.ptr = "";
2332
2333	StartAction(ctx, event);
2334
2335	pos = XawStackAlloc(sizeof(XawTextPosition) * src->textSrc.num_text, posbuf)((sizeof(XawTextPosition) * src->textSrc.num_text) <= sizeof (posbuf) ? (XtPointer)(posbuf) : XtMalloc((unsigned)(sizeof(XawTextPosition ) * src->textSrc.num_text)));
2336	for (i = 0; i < src->textSrc.num_text; i++)
2337	pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos;
2338
2339	if (!GetBlockBoundaries(ctx, &from, &to)) {
2340	EndAction(ctx);
2341	XawStackFree(pos, posbuf)do { if ((pos) != (XtPointer)(posbuf)) XtFree((char *)pos); } while (0);
2342	return;
2343	}
2344
2345	if (undo) {
2346	llen = to - from;
2347	end = ctx->text.lastPos;
2348	lbuf = _XawTextGetText(ctx, from, to);
2349	src->textSrc.undo_state = True1;
2350	}
2351
2352	tmp = ctx->text.lastPos;
2353	if (!Untabify(ctx, from, to, pos, src->textSrc.num_text, NULL((void*)0))) {
2354	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 0);
2355	EndAction(ctx);
2356	XawStackFree(pos, posbuf)do { if ((pos) != (XtPointer)(posbuf)) XtFree((char *)pos); } while (0);
2357	if (undo) {
2358	src->textSrc.undo_state = True1;
2359	XtFree(lbuf);
2360	}
2361	return;
2362	}
2363	to += ctx->text.lastPos - tmp;
2364
2365	tmp = from;
2366
2367	if (spaces > 0) {
2368	text.ptr = XawStackAlloc(spaces, buf)((spaces) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(spaces)));
2369	for (i = 0; i < spaces; i++)
2370	text.ptr[i] = ' ';
2371
2372	text.length = spaces;
2373	while (tmp < to) {
2374	_XawTextReplace(ctx, tmp, tmp, &text);
2375
2376	for (i = 0; i < src->textSrc.num_text; i++)
2377	if (tmp < pos[i])
2378	pos[i] += spaces;
2379
2380	to += spaces;
2381	tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True1);
2382	}
2383	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2384	}
2385	else {
2386	int min = 32767;
2387
2388	text.length = 0;
2389	tmp = from;
2390
2391	/* find the amount of spaces to cut */
2392	while (tmp < to) {
2393	(void)BlankLine(w, tmp, &i);
2394	if (i < min)
2395	min = i;
2396	tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True1);
2397	}
2398	spaces = XawMin(-spaces, min)((-spaces) < (min) ? (-spaces) : (min));
2399
2400	/* cut the spaces */
2401	tmp = from;
2402	while (tmp < to) {
2403	_XawTextReplace(ctx, tmp, tmp + spaces, &text);
2404
2405	for (i = 0; i < src->textSrc.num_text; i++)
2406	if (tmp < pos[i]) {
2407	if (tmp + spaces < pos[i])
2408	pos[i] -= spaces;
2409	else
2410	pos[i] = tmp;
2411	}
2412
2413	to -= spaces;
2414	tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True1);
2415	}
2416	}
2417
2418	if (!format)
2419	Tabify(ctx, from, to, pos, src->textSrc.num_text, NULL((void*)0));
2420
2421	if (undo) {
2422	rlen = llen + (ctx->text.lastPos - end);
2423	rbuf = _XawTextGetText(ctx, from, from + rlen);
2424
2425	text.format = _XawTextFormat(ctx);
2426	size = XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? sizeof(wchar_t) : sizeof(char);
2427	if (llen != rlen \|\| memcmp(lbuf, rbuf, llen * size)) {
2428	text.ptr = lbuf;
2429	text.length = llen;
2430	_XawTextReplace(ctx, from, from + rlen, &text);
2431
2432	src->textSrc.undo_state = False0;
2433	text.ptr = rbuf;
2434	text.length = rlen;
2435	_XawTextReplace(ctx, from, from + llen, &text);
2436	}
2437	else
2438	src->textSrc.undo_state = False0;
2439	XtFree(lbuf);
2440	XtFree(rbuf);
2441	}
2442
2443	for (i = 0; i < src->textSrc.num_text; i++) {
2444	TextWidget tw = (TextWidget)src->textSrc.text[i];
2445
2446	tw->text.insertPos = XawMin(XawMax(0, pos[i]), tw->text.lastPos)((((0) > (pos[i]) ? (0) : (pos[i]))) < (tw->text.lastPos ) ? (((0) > (pos[i]) ? (0) : (pos[i]))) : (tw->text.lastPos ));
2447	}
2448	XawStackFree(pos, posbuf)do { if ((pos) != (XtPointer)(posbuf)) XtFree((char *)pos); } while (0);
2449	ctx->text.showposition = True1;
2450
2451	EndAction(ctx);
2452	}
2453
2454	/ARGSUSED/
2455	static void
2456	ToggleOverwrite(Widget w, XEvent event, String params, Cardinal *num_params)
2457	{
2458	TextWidget ctx = (TextWidget)w;
2459
2460	ctx->text.overwrite = !ctx->text.overwrite;
2461
2462	/* call information callback */
2463	_XawTextSetLineAndColumnNumber(ctx, True1);
2464	}
2465	#endif /* OLDXAW */
2466
2467	/*
2468	* Insertion Routines
2469	*/
2470	static int
2471	InsertNewLineAndBackupInternal(TextWidget ctx)
2472	{
2473	int count, error = XawEditDone0, mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
2474	#ifndef OLDXAW
2475	XawTextPosition position;
2476	#endif
2477	XawTextBlock text;
2478	char buf[32];
2479
2480	if (mult < 0) {
2481	ctx->text.mult = 1;
2482	return (XawEditError1);
2483	}
2484
2485	text.format = _XawTextFormat(ctx);
2486	text.length = mult;
2487	text.firstPos = 0;
2488
2489	if (text.format == XawFmtWide) {
2490	wchar_t *wptr;
2491
2492	text.ptr = XawStackAlloc(sizeof(wchar_t) * mult, buf)((sizeof(wchar_t) * mult) <= sizeof(buf) ? (XtPointer)(buf ) : XtMalloc((unsigned)(sizeof(wchar_t) * mult)));
2493	wptr = (wchar_t *)text.ptr;
2494	for (count = 0; count < mult; count++)
2495	wptr[count] = _Xaw_atowc(XawLF0x0a);
2496	}
2497	else {
2498	text.ptr = XawStackAlloc(sizeof(char) * mult, buf)((sizeof(char) * mult) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned)(sizeof(char) * mult)));
2499	for (count = 0; count < mult; count++)
2500	text.ptr[count] = XawLF0x0a;
2501	}
2502
2503	#ifndef OLDXAW
2504	position = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
2505	XawstEOL, XawsdLeft, 1, False0);
2506	#endif
2507	if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) {
2508	XBell( XtDisplay(ctx)(((ctx)->core.screen)->display), 50);
2509	error = XawEditError1;
2510	}
2511	else {
2512	ctx->text.showposition = TRUE1;
2513	ctx->text.insertPos += text.length;
2514	}
2515
2516	XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0);
2517
2518	#ifndef OLDXAW
2519	if (ctx->text.auto_fill && error == XawEditDone0)
2520	(void)FormatText(ctx, position, ctx->text.justify != XawjustifyFull,
2521	NULL((void*)0), 0);
2522	#endif
2523
2524	return (error);
2525	}
2526
2527	/ARGSUSED/
2528	static void
2529	InsertNewLineAndBackup(Widget w, XEvent event, String p, Cardinal *n)
2530	{
2531	TextWidget ctx = (TextWidget)w;
2532	XawTextPosition insertPos = ctx->text.insertPos;
2533
2534	StartAction((TextWidget)w, event);
2535	(void)InsertNewLineAndBackupInternal(ctx);
2536	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, insertPos, XawstEOL,
2537	XawsdRight, 1, False0);
2538	EndAction((TextWidget)w);
2539	}
2540
2541	static int
2542	LocalInsertNewLine(TextWidget ctx, XEvent *event)
2543	{
2544	int error;
2545
2546	StartAction(ctx, event);
2547	error = InsertNewLineAndBackupInternal(ctx);
2548	ctx->text.from_left = -1;
2549	EndAction(ctx);
2550
2551	return (error);
2552	}
2553
2554	/ARGSUSED/
2555	static void
2556	InsertNewLine(Widget w, XEvent event, String p, Cardinal *n)
2557	{
2558	(void)LocalInsertNewLine((TextWidget)w, event);
2559	}
2560
2561	/ARGSUSED/
2562	static void
2563	InsertNewLineAndIndent(Widget w, XEvent event, String p, Cardinal *n)
2564	{
2565	XawTextBlock text;
2566	XawTextPosition pos1;
2567	int length;
2568	TextWidget ctx = (TextWidget)w;
2569	String line_to_ip;
2570
2571	StartAction(ctx, event);
2572	pos1 = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
2573	XawstEOL, XawsdLeft, 1, False0);
2574
2575	line_to_ip = _XawTextGetText(ctx, pos1, ctx->text.insertPos);
2576
2577	text.format = _XawTextFormat(ctx);
2578	text.firstPos = 0;
2579
2580	if (text.format == XawFmtWide) {
2581	wchar_t *ptr;
2582
2583	text.ptr = XtMalloc((2 + wcslen((wchar_t*)line_to_ip))
2584	* sizeof(wchar_t));
2585	ptr = (wchar_t*)text.ptr;
2586	ptr[0] = _Xaw_atowc(XawLF0x0a);
2587	wcscpy((wchar_t)++ptr, (wchar_t)line_to_ip);
2588
2589	length = wcslen((wchar_t*)text.ptr);
2590	while (length && (iswspace(ptr)((((ptr) & ~0x7f) == 0) && ((__ctype_b_loc ())[ (int) ((((ptr) & 0x7f)))] & (unsigned short int) _ISspace )) \|\| *ptr == _Xaw_atowc(XawTAB0x09)))
2591	ptr++, length--;
2592	*ptr = (wchar_t)0;
2593	text.length = wcslen((wchar_t*)text.ptr);
2594	}
2595	else {
2596	char *ptr;
2597
2598	length = strlen(line_to_ip);
2599	text.ptr = XtMalloc((2 + length) * sizeof(char));
2600	ptr = text.ptr;
2601	ptr[0] = XawLF0x0a;
2602	strcpy(++ptr, line_to_ip);
2603
2604	length++;
2605	while (length && (isspace(ptr)((__ctype_b_loc ())[(int) ((ptr))] & (unsigned short int ) _ISspace) \|\| (ptr == XawTAB0x09)))
2606	ptr++, length--;
2607	*ptr = '\0';
2608	text.length = strlen(text.ptr);
2609	}
2610	XtFree(line_to_ip);
2611
2612	if (_XawTextReplace(ctx,ctx->text.insertPos, ctx->text.insertPos, &text)) {
2613	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50);
2614	XtFree(text.ptr);
2615	EndAction(ctx);
2616	return;
2617	}
2618
2619	XtFree(text.ptr);
2620	ctx->text.from_left = -1;
2621	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert,
2622	XawstPositions, XawsdRight, text.length, True1);
2623	EndAction(ctx);
2624	}
2625
2626	/*
2627	* Selection Routines
2628	*/
2629	static void
2630	SelectWord(Widget w, XEvent event, String params, Cardinal *num_params)
2631	{
2632	TextWidget ctx = (TextWidget)w;
2633	XawTextPosition l, r;
2634
2635	StartAction(ctx, event);
2636	l = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
2637	XawstWhiteSpace, XawsdLeft, 1, False0);
2638	r = SrcScanXawTextSourceScan(ctx->text.source, l, XawstWhiteSpace, XawsdRight, 1, False0);
2639	_XawTextSetSelection(ctx, l, r, params, *num_params);
2640	EndAction(ctx);
2641	}
2642
2643	static void
2644	SelectAll(Widget w, XEvent event, String params, Cardinal *num_params)
2645	{
2646	TextWidget ctx = (TextWidget)w;
2647
2648	StartAction(ctx, event);
2649	_XawTextSetSelection(ctx,zeroPosition((XawTextPosition)0),ctx->text.lastPos,params,*num_params);
2650	EndAction(ctx);
2651	}
2652
2653	static void
2654	ModifySelection(TextWidget ctx, XEvent *event,
2655	XawTextSelectionMode mode,
2656	XawTextSelectionAction action,
2657	String params, Cardinal num_params)
2658	{
2659	#ifndef OLDXAW
2660	int old_y = ctx->text.ev_y;
2661	#endif
2662
2663	StartAction(ctx, event);
2664	NotePosition(ctx, event);
2665
2666	#ifndef OLDXAW
2667	if (event->type == MotionNotify6) {
2668	if (ctx->text.ev_y <= ctx->text.margin.top) {
2669	if (old_y >= ctx->text.ev_y)
2670	XawTextScroll(ctx, -1, 0);
2671	}
2672	else if (ctx->text.ev_y >= XtHeight(ctx)(((RectObj)ctx)->rectangle.height) - ctx->text.margin.bottom) {
2673	if (old_y <= ctx->text.ev_y
2674	&& !IsPositionVisible(ctx, ctx->text.lastPos)(ctx->text.lastPos >= ctx->text.lt.info[0].position && ctx->text.lastPos < ctx->text.lt.info[ctx->text. lt.lines].position))
2675	XawTextScroll(ctx, 1, 0);
2676	}
2677	}
2678	#endif
2679	ctx->text.from_left = -1;
2680	_XawTextAlterSelection(ctx, mode, action, params, num_params);
2681
2682	EndAction(ctx);
2683	}
2684
2685	static void
2686	SelectStart(Widget w, XEvent event, String params, Cardinal *num_params)
2687	{
2688	TextWidget ctx = (TextWidget)w;
2689
2690	#ifndef OLDXAW
2691	if (!ctx->text.selection_state) {
2692	ctx->text.selection_state = True1;
2693	#endif
2694	ModifySelection(ctx, event,
2695	XawsmTextSelect, XawactionStart, params, num_params);
2696	#ifndef OLDXAW
2697	}
2698	#endif
2699	}
2700
2701	static void
2702	SelectAdjust(Widget w, XEvent event, String params, Cardinal *num_params)
2703	{
2704	TextWidget ctx = (TextWidget)w;
2705
2706	#ifndef OLDXAW
2707	if (ctx->text.selection_state)
2708	#endif
2709	ModifySelection(ctx, event,
2710	XawsmTextSelect, XawactionAdjust, params, num_params);
2711	}
2712
2713	static void
2714	SelectEnd(Widget w, XEvent event, String params, Cardinal *num_params)
2715	{
2716	TextWidget ctx = (TextWidget)w;
2717
2718	#ifndef OLDXAW
2719	if (ctx->text.selection_state) {
2720	ctx->text.selection_state = False0;
2721	#endif
2722	ModifySelection(ctx, event,
2723	XawsmTextSelect, XawactionEnd, params, num_params);
2724	#ifndef OLDXAW
2725	}
2726	#endif
2727	}
2728
2729	static void
2730	ExtendStart(Widget w, XEvent event, String params, Cardinal *num_params)
2731	{
2732	TextWidget ctx = (TextWidget)w;
2733
2734	#ifndef OLDXAW
2735	if (!ctx->text.selection_state) {
2736	ctx->text.selection_state = True1;
2737	#endif
2738	ModifySelection(ctx, event,
2739	XawsmTextExtend, XawactionStart, params, num_params);
2740	#ifndef OLDXAW
2741	}
2742	#endif
2743	}
2744
2745	static void
2746	ExtendAdjust(Widget w, XEvent event, String params, Cardinal *num_params)
2747	{
2748	TextWidget ctx = (TextWidget)w;
2749
2750	#ifndef OLDXAW
2751	if (ctx->text.selection_state)
2752	#endif
2753	ModifySelection(ctx, event,
2754	XawsmTextExtend, XawactionAdjust, params, num_params);
2755	}
2756
2757	static void
2758	ExtendEnd(Widget w, XEvent event, String params, Cardinal *num_params)
2759	{
2760	TextWidget ctx = (TextWidget)w;
2761
2762	#ifndef OLDXAW
2763	if (ctx->text.selection_state) {
2764	ctx->text.selection_state = False0;
2765	#endif
2766	ModifySelection(ctx, event,
2767	XawsmTextExtend, XawactionEnd, params, num_params);
2768	#ifndef OLDXAW
2769	}
2770	#endif
2771	}
2772
2773	static void
2774	SelectSave(Widget w, XEvent event, String params, Cardinal *num_params)
2775	{
2776	int num_atoms;
2777	Atom *sel;
2778	Display *dpy = XtDisplay(w)(((w)->core.screen)->display);
2779	Atom selections[256];
2780
2781	StartAction((TextWidget)w, event);
2782	num_atoms = *num_params;
2783	if (num_atoms > 256)
2784	num_atoms = 256;
2785	for (sel=selections; --num_atoms >= 0; sel++, params++)
2786	sel = XInternAtom(dpy, params, False0);
2787	num_atoms = *num_params;
2788	_XawTextSaltAwaySelection((TextWidget)w, selections, num_atoms);
2789	EndAction((TextWidget)w);
2790	}
2791
2792	/*
2793	* Misc. Routines
2794	*/
2795	/ARGSUSED/
2796	static void
2797	SetKeyboardFocus(Widget w, XEvent event, String params, Cardinal *num_params)
2798	{
2799	Widget shell, parent;
2800
2801	shell = parent = w;
2802	while (parent) {
2803	if (XtIsShell(shell = parent)(((Object)(shell = parent))->object.widget_class->core_class .class_inited & 0x20))
2804	break;
2805	parent = XtParent(parent)((parent)->core.parent);
2806	}
2807	XtSetKeyboardFocus(shell, w);
2808	}
2809
2810	/ARGSUSED/
2811	static void
2812	RedrawDisplay(Widget w, XEvent event, String p, Cardinal *n)
2813	{
2814	StartAction((TextWidget)w, event);
2815	_XawTextClearAndCenterDisplay((TextWidget)w);
2816	EndAction((TextWidget)w);
2817	}
2818
2819	/* This is kind of a hack, but, only one text widget can have focus at
2820	* a time on one display. There is a problem in the implementation of the
2821	* text widget, the scrollbars can not be adressed via editres, since they
2822	* are not children of a subclass of composite.
2823	* The focus variable is required to make sure only one text window will
2824	* show a block cursor at one time.
2825	*/
2826	struct _focus { Display *display; Widget widget; };
2827	static struct _focus *focus;
2828	static Cardinal num_focus;
2829
2830	/ARGSUSED/
2831	static void
2832	DestroyFocusCallback(Widget w, XtPointer user_data, XtPointer call_data)
2833	{
2834	struct _focus f = (struct _focus)(user_data);
2835
2836	if (f->widget == w)
2837	f->widget = NULL((void*)0);
2838	}
2839
2840	/ARGSUSED/
2841	static void
2842	TextFocusIn(Widget w, XEvent event, String p, Cardinal *n)
2843	{
2844	TextWidget ctx = (TextWidget)w;
2845	Boolint display_caret = ctx->text.display_caret;
2846	int i;
2847
2848	if (event->xfocus.detail == NotifyPointer5)
2849	return;
2850
2851	if (event->xfocus.send_event) {
2852	Window root, child;
2853	int rootx, rooty, x, y;
2854	unsigned int mask;
2855
2856	if (ctx->text.hasfocus)
2857	return;
2858
2859	if (XQueryPointer(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), &root, &child,
2860	&rootx, &rooty, &x, &y, &mask)) {
2861	if (child)
2862	return;
2863	}
2864	}
2865
2866	/* Let the input method know focus has arrived. */
2867	_XawImSetFocusValues(w, NULL((void*)0), 0);
2868
2869	if (display_caret)
2870	StartAction(ctx, event);
2871	ctx->text.hasfocus = TRUE1;
2872	if (display_caret)
2873	EndAction(ctx);
2874
2875	for (i = 0; i < num_focus; i++)
2876	if (focus[i].display == XtDisplay(w)(((w)->core.screen)->display))
2877	break;
2878	if (i >= num_focus) {
2879	focus = (struct _focus*)
2880	XtRealloc((XtPointer)focus, sizeof(struct _focus) * (num_focus + 1));
2881	i = num_focus;
2882	focus[i].widget = NULL((void*)0);
2883	focus[i].display = XtDisplay(w)(((w)->core.screen)->display);
2884	num_focus++;
2885	}
2886	if (focus[i].widget != w) {
2887	Widget old = focus[i].widget;
2888
2889	focus[i].widget = w;
2890	if (old != NULL((void*)0)) {
2891	TextFocusOut(old, event, p, n);
2892	/* TextFocusOut may set it to NULL */
2893	focus[i].widget = w;
2894	}
2895	XtAddCallback(w, XtNdestroyCallback((char*)&XtStrings[169]),
2896	DestroyFocusCallback, (XtPointer)&focus[i]);
2897	}
2898	}
2899
2900	/ARGSUSED/
2901	static void
2902	TextFocusOut(Widget w, XEvent event, String p, Cardinal *n)
2903	{
2904	TextWidget ctx = (TextWidget)w;
2905	Boolint display_caret = ctx->text.display_caret;
2906	Widget shell;
2907	Window window;
2908	int i, revert;
2909
2910	shell = w;
2911	while (shell) {
2912	if (XtIsShell(shell)(((Object)(shell))->object.widget_class->core_class.class_inited & 0x20))
2913	break;
2914	shell = XtParent(shell)((shell)->core.parent);
2915	}
2916
2917	for (i = 0; i < num_focus; i++)
2918	if (focus[i].display == XtDisplay(w)(((w)->core.screen)->display))
2919	break;
2920	XGetInputFocus(XtDisplay(w)(((w)->core.screen)->display), &window, &revert);
2921	if ((XtWindow(shell)((shell)->core.window) == window &&
2922	(i < num_focus && focus[i].widget == w))
2923	\|\| event->xfocus.detail == NotifyPointer5)
2924	return;
2925
2926	if (i < num_focus && focus[i].widget) {
2927	XtRemoveCallback(focus[i].widget, XtNdestroyCallback((char*)&XtStrings[169]),
2928	DestroyFocusCallback, (XtPointer)&focus[i]);
2929	focus[i].widget = NULL((void*)0);
2930	}
2931
2932	/* Let the input method know focus has left.*/
2933	_XawImUnsetFocus(w);
2934
2935	if (display_caret)
2936	StartAction(ctx, event);
2937	ctx->text.hasfocus = FALSE0;
2938	if (display_caret)
2939	EndAction(ctx);
2940	}
2941
2942	/ARGSUSED/
2943	static void
2944	TextEnterWindow(Widget w, XEvent event, String params, Cardinal *num_params)
2945	{
2946	TextWidget ctx = (TextWidget)w;
2947
2948	if ((event->xcrossing.detail != NotifyInferior2) && event->xcrossing.focus
2949	&& !ctx->text.hasfocus)
2950	_XawImSetFocusValues(w, NULL((void*)0), 0);
2951	}
2952
2953	/ARGSUSED/
2954	static void
2955	TextLeaveWindow(Widget w, XEvent event, String params, Cardinal *num_params)
2956	{
2957	TextWidget ctx = (TextWidget)w;
2958
2959	if ((event->xcrossing.detail != NotifyInferior2) && event->xcrossing.focus
2960	&& !ctx->text.hasfocus)
2961	_XawImUnsetFocus(w);
2962	}
2963
2964	/*
2965	* Function:
2966	* AutoFill
2967	* Arguments: ctx - The text widget.
2968	*
2969	* Description:
2970	* Breaks the line at the previous word boundry when
2971	* called inside InsertChar.
2972	*/
2973	static void
2974	AutoFill(TextWidget ctx)
2975	{
2976	int width, height, x, line_num, max_width;
2977	XawTextPosition ret_pos;
2978	XawTextBlock text;
2979	XRectangle cursor;
2980	wchar_t wc_buf[2];
2981
2982	for (line_num = 0; line_num < ctx->text.lt.lines ; line_num++)
2983	if (ctx->text.lt.info[line_num].position >= ctx->text.insertPos)
2984	break;
2985	if (line_num)
2986	line_num--; /* backup a line. */
2987
2988	XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
2989	max_width = Max(0, (int)XtWidth(ctx) - RHMargins(ctx) - cursor.width)(((0) > ((int)(((RectObj)ctx)->rectangle.width) - ((ctx )->text.r_margin.left + (ctx)->text.r_margin.right) - cursor .width)) ? (0) : ((int)(((RectObj)ctx)->rectangle.width) - ((ctx)->text.r_margin.left + (ctx)->text.r_margin.right ) - cursor.width));
2990
2991	x = ctx->text.r_margin.left;
2992	XawTextSinkFindPosition(ctx->text.sink, ctx->text.lt.info[line_num].position,
2993	x, max_width, True1, &ret_pos,
2994	&width, &height);
2995
2996	if (ret_pos <= ctx->text.lt.info[line_num].position
2997	\|\| ret_pos >= ctx->text.insertPos \|\| ret_pos < 1)
2998	return;
2999
3000	XawTextSourceRead(ctx->text.source, ret_pos - 1, &text, 1);
3001
3002	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) {
3003	wc_buf[0] = (wchar_t )text.ptr;
3004	if (wc_buf[0] != _Xaw_atowc(XawSP0x20) && wc_buf[0] != _Xaw_atowc(XawTAB0x09))
3005	/* Only eats white spaces */
3006	return;
3007
3008	text.format = XawFmtWide;
3009	text.ptr = (char *)wc_buf;
3010	wc_buf[0] = _Xaw_atowc(XawLF0x0a);
3011	wc_buf[1] = 0;
3012	}
3013	else {
3014	if (text.ptr[0] != XawSP0x20 && text.ptr[0] != XawTAB0x09)
3015	/* Only eats white spaces */
3016	return;
3017
3018	text.format = XawFmt8Bit;
3019	text.ptr = "\n";
3020	}
3021	text.length = 1;
3022	text.firstPos = 0;
3023
3024	if (_XawTextReplace(ctx, ret_pos - 1, ret_pos, &text))
3025	XBell(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), 0);
3026
3027	if (++ctx->text.insertPos > ctx->text.lastPos)
3028	ctx->text.insertPos = ctx->text.lastPos;
3029	}
3030
3031	/ARGSUSED/
3032	static void
3033	InsertChar(Widget w, XEvent event, String p, Cardinal *n)
3034	{
3035	TextWidget ctx = (TextWidget)w;
3036	char *ptr, strbuf[128], ptrbuf[512];
3037	int count, error, mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
3038	KeySym keysym;
3039	XawTextBlock text;
3040	#ifndef OLDXAW
3041	Boolint format = False0;
3042	#endif
3043	XawTextPosition from, to;
3044
3045	if (XtIsSubclass (ctx->text.source, (WidgetClass) multiSrcObjectClass))
3046	text.length = _XawImWcLookupString(w, &event->xkey, (wchar_t*)strbuf,
3047	sizeof(strbuf), &keysym);
3048	else
3049	text.length = _XawLookupString(w, (XKeyEvent*)event, strbuf,
3050	sizeof(strbuf), &keysym);
3051
3052	if (text.length == 0)
3053	return;
3054
3055	if (mult < 0) {
3056	ctx->text.mult = 1;
3057	return;
3058	}
3059
3060	text.format = _XawTextFormat(ctx);
3061	if (text.format == XawFmtWide) {
3062	text.ptr = ptr = XawStackAlloc(sizeof(wchar_t) * text.length((sizeof(wchar_t) * text.length * mult) <= sizeof(ptrbuf) ? (XtPointer)(ptrbuf) : XtMalloc((unsigned)(sizeof(wchar_t) * text .length * mult)))
3063	* mult, ptrbuf)((sizeof(wchar_t) * text.length * mult) <= sizeof(ptrbuf) ? (XtPointer)(ptrbuf) : XtMalloc((unsigned)(sizeof(wchar_t) * text .length * mult)));
3064	for (count = 0; count < mult; count++) {
3065	memcpy((char)ptr, (char )strbuf, sizeof(wchar_t) * text.length);
3066	ptr += sizeof(wchar_t) * text.length;
3067	}
3068	#ifndef OLDXAW
3069	if (mult == 1)
3070	format = ctx->text.left_column < ctx->text.right_column;
3071	#endif
3072	}
3073	else { /* == XawFmt8Bit */
3074	text.ptr = ptr = XawStackAlloc(text.length * mult, ptrbuf)((text.length * mult) <= sizeof(ptrbuf) ? (XtPointer)(ptrbuf ) : XtMalloc((unsigned)(text.length * mult)));
3075	for (count = 0; count < mult; count++) {
3076	strncpy(ptr, strbuf, text.length);
3077	ptr += text.length;
3078	}
3079	#ifndef OLDXAW
3080	if (mult == 1)
3081	format = ctx->text.left_column < ctx->text.right_column;
3082	#endif
3083	}
3084
3085	text.length = text.length * mult;
3086	text.firstPos = 0;
3087
3088	StartAction(ctx, event);
3089	#ifndef OLDXAW
3090	if (mult == 1)
3091	_XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1);
3092	#endif
3093
3094	from = ctx->text.insertPos;
3095	#ifndef OLDXAW
3096	if (ctx->text.overwrite) {
3097	XawTextPosition tmp;
3098
3099	to = from + mult;
3100	tmp = SrcScanXawTextSourceScan(ctx->text.source, from, XawstEOL, XawsdRight, 1, False0);
3101	if (to > tmp)
3102	to = tmp;
3103	}
3104	else
3105	#endif
3106	to = from;
3107
3108	error = _XawTextReplace(ctx, from , to, &text);
3109
3110	if (error == XawEditDone0) {
3111	ctx->text.from_left = -1;
3112	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert,
3113	XawstPositions, XawsdRight,
3114	text.length, True1);
3115	if (ctx->text.auto_fill) {
3116	#ifndef OLDXAW
3117	if (format)
3118	(void)FormatText(ctx, SrcScanXawTextSourceScan(ctx->text.source,
3119	ctx->text.insertPos, XawstEOL,
3120	XawsdLeft, 1, False0), False0,
3121	NULL((void*)0), 0);
3122	else
3123	#endif
3124	AutoFill(ctx);
3125	}
3126	}
3127	else
3128	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50);
3129
3130	XawStackFree(text.ptr, ptrbuf)do { if ((text.ptr) != (XtPointer)(ptrbuf)) XtFree((char *)text .ptr); } while (0);
3131	EndAction(ctx);
3132
3133	if (error == XawEditDone0 && text.format == XawFmt8Bit && text.length == 1
3134	&& (text.ptr[0] == ')' \|\| text.ptr[0] == ']' \|\| text.ptr[0] == '}')
3135	&& ctx->text.display_caret) {
3136	static struct timeval tmval = {0, 500000};
3137	fd_set fds;
3138	Widget source = ctx->text.source;
3139	XawTextPosition insertPos = ctx->text.insertPos, pos, tmp, last;
3140	char left, right = text.ptr[0];
3141	int level = 0;
3142	XtAppContext app_context = XtWidgetToApplicationContext(w);
3143
3144	left = right == ')' ? '(' : right == ']' ? '[' : '{';
3145
3146	last = insertPos - 1;
3147	do {
3148	text.ptr[0] = left;
3149	pos = XawTextSourceSearch(source, last, XawsdLeft, &text);
3150	if (pos == XawTextSearchError(-12345L) \|\| !IsPositionVisible(ctx, pos)(pos >= ctx->text.lt.info[0].position && pos < ctx->text.lt.info[ctx->text.lt.lines].position))
3151	return;
3152	text.ptr[0] = right;
3153	tmp = pos;
3154	do {
3155	tmp = XawTextSourceSearch(source, tmp, XawsdRight, &text);
3156	if (tmp == XawTextSearchError(-12345L))
3157	return;
3158	if (tmp <= last)
3159	++level;
3160	} while (++tmp <= last);
3161	--level;
3162	last = pos;
3163	} while (level);
3164
3165	StartAction(ctx, NULL((void*)0));
3166	#ifndef OLDXAW
3167	_XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1);
3168	#endif
3169	ctx->text.insertPos = pos;
3170	EndAction(ctx);
3171
3172	XSync(XtDisplay(w)(((w)->core.screen)->display), False0);
3173	while (XtAppPending(app_context) & XtIMXEvent1) {
3174	XEvent ev;
3175	if (! XtAppPeekEvent(app_context, &ev))
3176	break;
3177	if (ev.type == KeyPress2 \|\| ev.type == ButtonPress4)
3178	break;
3179	XtAppProcessEvent(app_context, XtIMXEvent1);
3180	}
3181	FD_ZERO(&fds)do { unsigned int __i; fd_set *__arr = (&fds); for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) ((__arr )->fds_bits)[__i] = 0; } while (0);
3182	FD_SET(ConnectionNumber(XtDisplay(w)), &fds)((void) (((&fds)->fds_bits)[(((((_XPrivDisplay)(((w)-> core.screen)->display))->fd)) / (8 * (int) sizeof (__fd_mask )))] \|= ((__fd_mask) 1 << (((((_XPrivDisplay)(((w)-> core.screen)->display))->fd)) % (8 * (int) sizeof (__fd_mask ))))));
3183	(void)select(FD_SETSIZE1024, &fds, NULL((void)0), NULL((void)0), &tmval);
3184	if (tmval.tv_usec != 500000)
3185	usleep(40000);
3186
3187	StartAction(ctx, NULL((void*)0));
3188	#ifndef OLDXAW
3189	_XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1);
3190	#endif
3191	ctx->text.insertPos = insertPos;
3192	EndAction(ctx);
3193	}
3194	}
3195
3196	/* IfHexConvertHexElseReturnParam() - called by InsertString
3197	*
3198	* i18n requires the ability to specify multiple characters in a hexa-
3199	* decimal string at once. Since Insert was already too long, I made
3200	* this a seperate routine.
3201	*
3202	* A legal hex string in MBNF: '0' 'x' ( HEX-DIGIT HEX-DIGIT )+ '\0'
3203	*
3204	* WHEN: the passed param is a legal hex string
3205	* RETURNS: a pointer to that converted, null terminated hex string;
3206	* len_return holds the character count of conversion result
3207	*
3208	* WHEN: the passed param is not a legal hex string:
3209	* RETURNS: the parameter passed;
3210	* len_return holds the char count of param.
3211	*
3212	* NOTE: In neither case will there be strings to free. */
3213	static char *
3214	IfHexConvertHexElseReturnParam(char param, int len_return)
3215	{
3216	char p; / steps through param char by char */
3217	char c; /* holds the character pointed to by p */
3218	int ind; /* steps through hexval buffer char by char */
3219	static char hexval[XawTextActionMaxHexChars100];
3220	Boolean first_digit;
3221
3222	/* reject if it doesn't begin with 0x and at least one more character. */
3223	if ((param[0] != '0') \|\| (param[1] != 'x') \|\| (param[2] == '\0')) {
3224	*len_return = strlen(param);
3225	return(param);
3226	}
3227
3228	/* Skip the 0x; go character by character shifting and adding. */
3229	first_digit = True1;
3230	ind = 0;
3231	hexval[ind] = '\0';
3232
3233	for (p = param+2; (c = *p) != '\0'; p++) {
3234	hexval[ind] *= 16;
3235	if (c >= '0' && c <= '9')
3236	hexval[ind] += c - '0';
3237	else if (c >= 'a' && c <= 'f')
3238	hexval[ind] += c - 'a' + 10;
3239	else if (c >= 'A' && c <= 'F')
3240	hexval[ind] += c - 'A' + 10;
3241	else
3242	break;
3243
3244	/* If we didn't break in preceding line, it was a good hex char. */
3245	if (first_digit)
3246	first_digit = False0;
3247	else {
3248	first_digit = True1;
3249	if (++ind < XawTextActionMaxHexChars100)
3250	hexval[ind] = '\0';
3251	else {
3252	*len_return = strlen(param);
3253	return(param);
3254	}
3255	}
3256	}
3257
3258	/* We quit the above loop becasue we hit a non hex. If that char is \0... */
3259	if ((c == '\0') && first_digit) {
3260	*len_return = strlen(hexval);
3261	return (hexval); /* ...it was a legal hex string, so return it */
3262	}
3263
3264	/* Else, there were non-hex chars or odd digit count, so... */
3265
3266	*len_return = strlen(param);
3267	return (param); /* ...return the verbatim string. */
3268	}
3269
3270	/* InsertString() - action
3271	*
3272	* Mostly rewritten for R6 i18n.
3273	*
3274	* Each parameter, in turn, will be insert at the inputPos
3275	* and the inputPos advances to the insertion's end.
3276	*
3277	* The exception is that parameters composed of the two
3278	* characters 0x, followed only by an even number of
3279	* hexadecimal digits will be converted to characters */
3280	/ARGSUSED/
3281	static void
3282	InsertString(Widget w, XEvent event, String params, Cardinal *num_params)
3283	{
3284	TextWidget ctx = (TextWidget)w;
3285	XtAppContext app_con = XtWidgetToApplicationContext(w);
3286	XawTextBlock text;
3287	int i;
3288
3289	text.firstPos = 0;
3290	text.format = _XawTextFormat(ctx);
3291
3292	StartAction(ctx, event);
3293	for (i = num_params; i; i--, params++) { / DO FOR EACH PARAMETER */
3294	text.ptr = IfHexConvertHexElseReturnParam(*params, &text.length);
3295
3296	if (text.length == 0)
3297	continue;
3298
3299	if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { /* convert to WC */
3300	int temp_len;
3301
3302	text.ptr = (char*)_XawTextMBToWC(XtDisplay(w)(((w)->core.screen)->display), text.ptr,
3303	&text.length);
3304
3305	if (text.ptr == NULL((void)0)) { / conversion error */
3306	XtAppWarningMsg(app_con,
3307	"insertString", "textAction", "XawError",
3308	"insert-string()'s parameter contents "
3309	"not legal in this locale.",
3310	NULL((void)0), NULL((void)0));
3311	ParameterError(w, *params);
3312	continue;
3313	}
3314
3315	/* Double check that the new input is legal: try to convert to MB. */
3316
3317	temp_len = text.length; /* _XawTextWCToMB's 3rd arg is in_out */
3318	if (_XawTextWCToMB(XtDisplay(w)(((w)->core.screen)->display), (wchar_t*)text.ptr, &temp_len)
3319	== NULL((void*)0)) {
3320	XtAppWarningMsg( app_con,
3321	"insertString", "textAction", "XawError",
3322	"insert-string()'s parameter contents "
3323	"not legal in this locale.",
3324	NULL((void)0), NULL((void)0));
3325	ParameterError(w, *params);
3326	continue;
3327	}
3328	} /* convert to WC */
3329
3330	if (_XawTextReplace(ctx, ctx->text.insertPos,
3331	ctx->text.insertPos, &text)) {
3332	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50);
3333	EndAction(ctx);
3334	return;
3335	}
3336
3337	ctx->text.from_left = -1;
3338	/* Advance insertPos to the end of the string we just inserted. */
3339	ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert,
3340	XawstPositions, XawsdRight, text.length,
3341	True1);
3342
3343	} /* DO FOR EACH PARAMETER */
3344
3345	EndAction(ctx);
3346	}
3347
3348	/* DisplayCaret() - action
3349	*
3350	* The parameter list should contain one boolean value. If the
3351	* argument is true, the cursor will be displayed. If false, not.
3352	*
3353	* The exception is that EnterNotify and LeaveNotify events may
3354	* have a second argument, "always". If they do not, the cursor
3355	* is only affected if the focus member of the event is true. */
3356	static void
3357	DisplayCaret(Widget w, XEvent event, String params, Cardinal *num_params)
3358	{
3359	TextWidget ctx = (TextWidget)w;
3360	Boolint display_caret = True1;
3361
3362	if ((event->type == EnterNotify7 \|\| event->type == LeaveNotify8)
3363	&& ((*num_params >= 2) && (strcmp(params[1], "always") == 0))
3364	&& (!event->xcrossing.focus))
3365	return;
3366
3367	if (num_params > 0) { / default arg is "True" */
3368	XrmValue from, to;
3369	from.size = strlen(from.addr = params[0]);
3370	XtConvert(w, XtRString((char)&XtStrings[1797]), &from, XtRBoolean((char)&XtStrings[1561]), &to);
3371
3372	if (to.addr != NULL((void*)0))
3373	display_caret = (Boolean)to.addr;
3374	if (ctx->text.display_caret == display_caret)
3375	return;
3376	}
3377	StartAction(ctx, event);
3378	ctx->text.display_caret = display_caret;
3379	EndAction(ctx);
3380	}
3381
3382	#ifndef OLDXAW
3383	static void
3384	Numeric(Widget w, XEvent event, String params, Cardinal *num_params)
3385	{
3386	TextWidget ctx = (TextWidget)w;
3387
3388	if (ctx->text.numeric) {
3389	long mult = ctx->text.mult;
3390
3391	if (*num_params != 1 \|\| strlen(params[0]) != 1
3392	\|\| (!isdigit(params[0][0])((*__ctype_b_loc ())[(int) ((params[0][0]))] & (unsigned short int) _ISdigit)
3393	&& (params[0][0] != '-' \|\| mult != 0))) {
3394	char err_buf[256];
3395
3396	if (event && (event->type == KeyPress2 \|\| event->type == KeyRelease3)
3397	&& params[0][0] == '-') {
3398	InsertChar(w, event, params, num_params);
3399	return;
3400	}
3401	snprintf(err_buf, sizeof(err_buf),
3402	"numeric: Invalid argument%s'%s'",
3403	*num_params ? ", " : "",
3404	*num_params ? params[0] : "");
3405	XtAppWarning(XtWidgetToApplicationContext(w), err_buf);
3406	ctx->text.numeric = False0;
3407	ctx->text.mult = 1;
3408	return;
3409	}
3410	if (params[0][0] == '-') {
3411	ctx->text.mult = 32767;
3412	return;
3413	}
3414	else if (mult == 32767) {
3415	mult = ctx->text.mult = - (params[0][0] - '0');
3416	return;
3417	}
3418	else {
3419	mult = mult * 10 + (params[0][0] - '0') * (mult < 0 ? -1 : 1);
3420	ctx->text.mult = ctx->text.mult * 10 + (params[0][0] - '0') *
3421	(mult < 0 ? -1 : 1);
3422	}
3423	if (mult != ctx->text.mult \|\| mult >= 32767) { /* checks for overflow */
3424	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
3425	ctx->text.mult = 1;
3426	ctx->text.numeric = False0;
3427	return;
3428	}
3429	}
3430	else
3431	InsertChar(w, event, params, num_params);
3432	}
3433
3434	/ARGSUSED/
3435	static void
3436	KeyboardReset(Widget w, XEvent event, String params, Cardinal *num_params)
3437	{
3438	TextWidget ctx = (TextWidget)w;
3439
3440	ctx->text.numeric = False0;
3441	ctx->text.mult = 1;
3442
3443	(void)_XawTextSrcToggleUndo((TextSrcObject)ctx->text.source);
3444
3445	if (ctx->text.kill_ring_ptr) {
3446	--ctx->text.kill_ring_ptr->refcount;
3447	ctx->text.kill_ring_ptr = NULL((void*)0);
3448	}
3449	ctx->text.kill_ring = 0;
3450
3451	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
3452	}
3453	#endif /* OLDXAW */
3454
3455	/* Multiply() - action
3456	*
3457	* The parameter list may contain either a number or the string 'Reset'.
3458	*
3459	* A number will multiply the current multiplication factor by that number.
3460	* Many of the text widget actions will will perform n actions, where n is
3461	* the multiplication factor.
3462	*
3463	* The string reset will reset the mutiplication factor to 1. */
3464	/ARGSUSED/
3465	static void
3466	Multiply(Widget w, XEvent event, String params, Cardinal *num_params)
3467	{
3468	TextWidget ctx = (TextWidget)w;
3469	int mult;
3470
3471	if (*num_params != 1) {
3472	XtAppError(XtWidgetToApplicationContext(w),
3473	"Xaw Text Widget: multiply() takes exactly one argument.");
3474	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
3475	return;
3476	}
3477
3478	if ((params[0][0] == 'r') \|\| (params[0][0] == 'R')) {
3479	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
3480	#ifndef OLDXAW
3481	ctx->text.numeric = False0;
3482	#endif
3483	ctx->text.mult = 1;
3484	return;
3485	}
3486
3487	#ifndef OLDXAW
3488	if (params[0][0] == 's' \|\| params[0][0] == 'S') {
3489	ctx->text.numeric = True1;
3490	ctx->text.mult = 0;
3491	return;
3492	}
3493	else
3494	#endif
3495	if ((mult = atoi(params[0])) == 0) {
3496	char buf[BUFSIZ8192];
3497
3498	snprintf(buf, sizeof(buf),
3499	"Xaw Text Widget: multiply() argument "
3500	"must be a number greater than zero, or 'Reset'.");
3501	XtAppError(XtWidgetToApplicationContext(w), buf);
3502	XBell(XtDisplay(w)(((w)->core.screen)->display), 50);
3503	return;
3504	}
3505
3506	ctx->text.mult *= mult;
3507	}
3508
3509	/* StripOutOldCRs() - called from FormRegion
3510	*
3511	* removes CRs in widget ctx, from from to to.
3512	*
3513	* RETURNS: the new ending location (we may add some characters),
3514	* or XawReplaceError if the widget can't be written to. */
3515	static XawTextPosition
3516	StripOutOldCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to,
3517	XawTextPosition *pos, int num_pos)
3518	{
3519	XawTextPosition startPos, endPos, eop_begin, eop_end, temp;
3520	Widget src = ctx->text.source;
3521	XawTextBlock text;
3522	char *buf;
3523	static wchar_t wc_two_spaces[3];
3524	int idx;
3525
3526	/* Initialize our TextBlock with two spaces. */
3527	text.firstPos = 0;
3528	text.format = _XawTextFormat(ctx);
3529	if (text.format == XawFmt8Bit)
3530	text.ptr= " ";
3531	else {
3532	wc_two_spaces[0] = _Xaw_atowc(XawSP0x20);
3533	wc_two_spaces[1] = _Xaw_atowc(XawSP0x20);
3534	wc_two_spaces[2] = 0;
3535	text.ptr = (char*)wc_two_spaces;
3536	}
3537
3538	/* Strip out CR's. */
3539	eop_begin = eop_end = startPos = endPos = from;
3540
3541	/* CONSTCOND */
3542	while (TRUE1) {
3543	endPos=SrcScanXawTextSourceScan(src, startPos, XawstEOL, XawsdRight, 1, False0);
3544
3545	temp = SrcScanXawTextSourceScan(src, endPos, XawstWhiteSpace, XawsdLeft, 1, False0);
3546	temp = SrcScanXawTextSourceScan(src, temp, XawstWhiteSpace, XawsdRight,1, False0);
3547
3548	if (temp > startPos)
3549	endPos = temp;
3550
3551	if (endPos >= to)
3552	break;
3553
3554	if (endPos >= eop_begin) {
3555	startPos = eop_end;
3556	eop_begin=SrcScanXawTextSourceScan(src, startPos, XawstParagraph,
3557	XawsdRight, 1,False0);
3558	eop_end = SrcScanXawTextSourceScan(src, startPos, XawstParagraph,
3559	XawsdRight, 1, True1);
3560	}
3561	else {
3562	XawTextPosition periodPos, next_word;
3563	int i, len;
3564
3565	periodPos = SrcScanXawTextSourceScan(src, endPos, XawstPositions,
3566	XawsdLeft, 1, True1);
3567	next_word = SrcScanXawTextSourceScan(src, endPos, XawstWhiteSpace,
3568	XawsdRight, 1, False0);
3569
3570	len = next_word - periodPos;
3571
3572	text.length = 1;
3573	buf = _XawTextGetText(ctx, periodPos, next_word);
3574	if (text.format == XawFmtWide) {
3575	if (periodPos < endPos && ((wchar_t*)buf)[0] == _Xaw_atowc('.'))
3576	text.length++;
3577	}
3578	else
3579	if (periodPos < endPos && buf[0] == '.')
3580	text.length++; /* Put in two spaces. */
3581
3582	/*
3583	* Remove all extra spaces.
3584	*/
3585	for (i = 1 ; i < len; i++)
3586	if (text.format == XawFmtWide) {
3587	if (!iswspace(((wchar_t)buf)[i])((((((wchar_t)buf)[i]) & ~0x7f) == 0) && ((__ctype_b_loc ())[(int) ((((((wchar_t)buf)[i]) & 0x7f)))] & (unsigned short int) _ISspace)) \|\| ((periodPos + i) >= to))
3588	break;
3589	}
3590	else if (!isspace(buf[i])((*__ctype_b_loc ())[(int) ((buf[i]))] & (unsigned short int ) _ISspace) \|\| (periodPos + i) >= to)
3591	break;
3592
3593	XtFree(buf);
3594
3595	to -= (i - text.length - 1);
3596	startPos = SrcScanXawTextSourceScan(src, periodPos, XawstPositions,
3597	XawsdRight, i, True1);
3598	if (_XawTextReplace(ctx, endPos, startPos, &text) != XawEditDone0)
3599	return (XawReplaceError-1);
3600
3601	for (idx = 0; idx < num_pos; idx++) {
3602	if (endPos < pos[idx]) {
3603	if (startPos < pos[idx])
3604	pos[idx] -= startPos - endPos;
3605	else
3606	pos[idx] = endPos;
3607	pos[idx] += text.length;
3608	}
3609	}
3610
3611	startPos -= i - text.length;
3612	}
3613	}
3614
3615	return (to);
3616	}
3617
3618	/* InsertNewCRs() - called from FormRegion
3619	*
3620	* inserts new CRs for FormRegion, thus for FormParagraph action */
3621	static void
3622	InsertNewCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to,
3623	XawTextPosition *pos, int num_pos)
3624	{
3625	XawTextPosition startPos, endPos, space, eol;
3626	XawTextBlock text;
3627	int i, width, height, len, wwidth, idx;
3628	char *buf;
3629	static wchar_t wide_CR[2];
3630
3631	text.firstPos = 0;
3632	text.length = 1;
3633	text.format = _XawTextFormat(ctx);
3634
3635	if (text.format == XawFmt8Bit)
3636	text.ptr = "\n";
3637	else {
3638	wide_CR[0] = _Xaw_atowc(XawLF0x0a);
3639	wide_CR[1] = 0;
3640	text.ptr = (char*)wide_CR;
3641	}
3642
3643	startPos = from;
3644
3645	wwidth = (int)XtWidth(ctx)(((RectObj)ctx)->rectangle.width) - (int)HMargins(ctx)((ctx)->text.left_margin + (ctx)->text.margin.right);
3646	if (ctx->text.wrap != XawtextWrapNever) {
3647	XRectangle cursor;
3648
3649	XawTextSinkGetCursorBounds(ctx->text.sink, &cursor);
3650	wwidth -= (int)cursor.width;
3651	}
3652	wwidth = XawMax(0, wwidth)((0) > (wwidth) ? (0) : (wwidth));
3653
3654	/* CONSTCOND */
3655	while (TRUE1) {
3656	XawTextSinkFindPosition(ctx->text.sink, startPos,
3657	(int)ctx->text.r_margin.left, wwidth,
3658	True1, &eol, &width, &height);
3659	if (eol == startPos)
3660	++eol;
3661	if (eol >= to)
3662	break;
3663
3664	eol = SrcScanXawTextSourceScan(ctx->text.source, eol, XawstPositions,
3665	XawsdLeft, 1, True1);
3666	space = SrcScanXawTextSourceScan(ctx->text.source, eol, XawstWhiteSpace,
3667	XawsdRight,1, True1);
3668
3669	startPos = endPos = eol;
3670	if (eol == space)
3671	return;
3672
3673	len = (int)(space - eol);
3674	buf = _XawTextGetText(ctx, eol, space);
3675	for (i = 0 ; i < len ; i++)
3676	if (text.format == XawFmtWide) {
3677	if (!iswspace(((wchar_t)buf)[i])((((((wchar_t)buf)[i]) & ~0x7f) == 0) && ((__ctype_b_loc ())[(int) ((((((wchar_t)buf)[i]) & 0x7f)))] & (unsigned short int) _ISspace)))
3678	break;
3679	}
3680	else if (!isspace(buf[i])((*__ctype_b_loc ())[(int) ((buf[i]))] & (unsigned short int ) _ISspace))
3681	break;
3682
3683	to -= (i - 1);
3684	endPos = SrcScanXawTextSourceScan(ctx->text.source, endPos,
3685	XawstPositions, XawsdRight, i, True1);
3686	XtFree(buf);
3687
3688	if (_XawTextReplace(ctx, startPos, endPos, &text))
3689	return;
3690
3691	for (idx = 0; idx < num_pos; idx++) {
3692	if (startPos < pos[idx]) {
3693	if (endPos < pos[idx])
3694	pos[idx] -= endPos - startPos;
3695	else
3696	pos[idx] = startPos;
3697	pos[idx] += text.length;
3698	}
3699	}
3700
3701	startPos = SrcScanXawTextSourceScan(ctx->text.source, startPos,
3702	XawstPositions, XawsdRight, 1, True1);
3703	}
3704	}
3705
3706	/* FormRegion() - called by FormParagraph
3707	*
3708	* oversees the work of paragraph-forming a region
3709	*
3710	* Return:
3711	* XawEditDone if successful, or XawReplaceError
3712	*/
3713	static int
3714	FormRegion(TextWidget ctx, XawTextPosition from, XawTextPosition to,
3715	XawTextPosition *pos, int num_pos)
3716	{
3717	#ifndef OLDXAW
3718	Boolint format = ctx->text.auto_fill
3719	&& ctx->text.left_column < ctx->text.right_column;
3720	#endif
3721
3722	if (from >= to)
3723	return (XawEditDone0);
3724
3725	#ifndef OLDXAW
3726	if (format) {
3727	XawTextPosition len = ctx->text.lastPos;
3728	int inc = 0;
3729
3730	if (ctx->text.justify == XawjustifyLeft \|\|
3731	ctx->text.justify == XawjustifyFull) {
3732	Untabify(ctx, from, to, pos, num_pos, NULL((void*)0));
3733	to += ctx->text.lastPos - len;
3734	len = ctx->text.insertPos;
3735	(void)BlankLine((Widget)ctx, from, &inc);
3736	if (from + inc >= to)
3737	return (XawEditDone0);
3738	}
3739	if (!StripSpaces(ctx, from + inc, to, pos, num_pos, NULL((void*)0)))
3740	return (XawReplaceError-1);
3741	to += ctx->text.lastPos - len;
3742
3743	FormatText(ctx, from, ctx->text.justify != XawjustifyFull, pos, num_pos);
3744	}
3745	else {
3746	#endif
3747	if ((to = StripOutOldCRs(ctx, from, to, pos, num_pos)) == XawReplaceError-1)
3748	return (XawReplaceError-1);
3749	InsertNewCRs(ctx, from, to, pos, num_pos);
3750	#ifndef OLDXAW
3751	}
3752	#endif
3753	ctx->text.from_left = -1;
3754
3755	return (XawEditDone0);
3756	}
3757
3758	#ifndef OLDXAW
3759	static Boolint
3760	BlankLine(Widget w, XawTextPosition pos, int *blanks_return)
3761	{
3762	int i, blanks = 0;
3763	XawTextBlock block;
3764	Widget src = XawTextGetSource(w);
3765	XawTextPosition l = SrcScanXawTextSourceScan(src, pos, XawstEOL, XawsdLeft, 1, False0);
3766	XawTextPosition r = SrcScanXawTextSourceScan(src, pos, XawstEOL, XawsdRight, 1, False0);
3767
3768	while (l < r) {
3769	l = XawTextSourceRead(src, l, &block, r - l);
3770	if (block.length == 0) {
3771	if (blanks_return)
3772	*blanks_return = blanks;
3773	return (True1);
3774	}
3775	if (XawTextFormat((TextWidget)w, XawFmt8Bit)((unsigned long)_XawTextFormat((TextWidget)w) == (XawFmt8Bit) )) {
3776	for (i = 0; i < block.length; i++, blanks++)
3777	if (block.ptr[i] != ' ' &&
3778	block.ptr[i] != '\t') {
3779	if (blanks_return)
3780	*blanks_return = blanks;
3781	return (block.ptr[i] == '\n');
3782	}
3783	}
3784	else if (XawTextFormat((TextWidget)w, XawFmtWide)((unsigned long)_XawTextFormat((TextWidget)w) == (XawFmtWide) )) {
3785	for (i = 0; i < block.length; i++, blanks++)
3786	if (_Xaw_atowc(XawSP0x20) != ((wchar_t*)block.ptr)[i] &&
3787	_Xaw_atowc(XawTAB0x09) != ((wchar_t*)block.ptr)[i]) {
3788	if (blanks_return)
3789	*blanks_return = blanks;
3790	return (_Xaw_atowc(XawLF0x0a) == ((wchar_t*)block.ptr)[i]);
3791	}
3792	}
3793	}
3794
3795	return (True1);
3796	}
3797
3798	static Boolint
3799	GetBlockBoundaries(TextWidget ctx,
3800	XawTextPosition from_return, XawTextPosition to_return)
3801	{
3802	XawTextPosition from, to;
3803
3804	if (ctx->text.auto_fill && ctx->text.left_column < ctx->text.right_column) {
3805	if (ctx->text.s.left != ctx->text.s.right) {
3806	from = SrcScanXawTextSourceScan(ctx->text.source,
3807	XawMin(ctx->text.s.left, ctx->text.s.right)((ctx->text.s.left) < (ctx->text.s.right) ? (ctx-> text.s.left) : (ctx->text.s.right)),
3808	XawstEOL, XawsdLeft, 1, False0);
3809	to = SrcScanXawTextSourceScan(ctx->text.source,
3810	XawMax(ctx->text.s.right, ctx->text.s.right)((ctx->text.s.right) > (ctx->text.s.right) ? (ctx-> text.s.right) : (ctx->text.s.right)),
3811	XawstEOL, XawsdRight, 1, False0);
3812	}
3813	else {
3814	XawTextBlock block;
3815	XawTextPosition tmp;
3816	Boolint first;
3817
3818	from = to = ctx->text.insertPos;
3819
3820	/* find from position */
3821	first = True1;
3822	while (1) {
3823	tmp = from;
3824	from = SrcScanXawTextSourceScan(ctx->text.source, from, XawstEOL, XawsdLeft,
3825	1 + !first, False0);
3826	XawTextSourceRead(ctx->text.source, from, &block, 1);
3827	if (block.length == 0 \|\|
3828	(XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) &&
3829	block.ptr[0] != ' ' &&
3830	block.ptr[0] != '\t' &&
3831	!isalnum((unsigned char)block.ptr)((__ctype_b_loc ())[(int) (((unsigned char*)block.ptr))] & (unsigned short int) _ISalnum)) \|\|
3832	(XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) &&
3833	_Xaw_atowc(XawSP0x20) != (wchar_t)block.ptr &&
3834	_Xaw_atowc(XawTAB0x09) != (wchar_t)block.ptr &&
3835	!iswalnum((wchar_t)block.ptr)) \|\|
3836	BlankLine((Widget)ctx, from, NULL((void*)0))) {
3837	from = tmp;
3838	break;
3839	}
3840	if (from == tmp && !first)
3841	break;
3842	first = False0;
3843	}
3844	if (first)
3845	return (False0);
3846
3847	/* find to position */
3848	first = True1;
3849	while (1) {
3850	tmp = to;
3851	to = SrcScanXawTextSourceScan(ctx->text.source, to, XawstEOL, XawsdRight,
3852	1 + !first, False0);
3853	XawTextSourceRead(ctx->text.source, to + (to < ctx->text.lastPos),
3854	&block, 1);
3855	if (block.length == 0 \|\|
3856	(XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) &&
3857	block.ptr[0] != ' ' &&
3858	block.ptr[0] != '\t' &&
3859	!isalnum((unsigned char)block.ptr)((__ctype_b_loc ())[(int) (((unsigned char*)block.ptr))] & (unsigned short int) _ISalnum)) \|\|
3860	(XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) &&
3861	_Xaw_atowc(XawSP0x20) != (wchar_t)block.ptr &&
3862	_Xaw_atowc(XawTAB0x09) != (wchar_t)block.ptr &&
3863	!iswalnum((wchar_t)block.ptr)) \|\|
3864	BlankLine((Widget)ctx, to, NULL((void*)0)))
3865	break;
3866	if (to == tmp && !first)
3867	break;
3868	first = False0;
3869	}
3870	}
3871	}
3872	else {
3873	from = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL,
3874	XawsdLeft, 1, False0);
3875	if (BlankLine((Widget)ctx, from, NULL((void*)0)))
3876	return (False0);
3877	from = SrcScanXawTextSourceScan(ctx->text.source, from, XawstParagraph,
3878	XawsdLeft, 1, False0);
3879	if (BlankLine((Widget)ctx, from, NULL((void*)0)))
3880	from = SrcScanXawTextSourceScan(ctx->text.source, from, XawstEOL,
3881	XawsdRight, 1, True1);
3882	to = SrcScanXawTextSourceScan(ctx->text.source, from, XawstParagraph,
3883	XawsdRight, 1, False0);
3884	}
3885
3886	if (from < to) {
3887	*from_return = from;
3888	*to_return = to;
3889	return (True1);
3890	}
3891
3892	return (False0);
3893	}
3894	#endif /* OLDXAW */
3895
3896	/* FormParagraph() - action
3897	*
3898	* removes and reinserts CRs to maximize line length without clipping */
3899	/ARGSUSED/
3900	static void
3901	FormParagraph(Widget w, XEvent event, String params, Cardinal *num_params)
3902	{
3903	TextWidget ctx = (TextWidget)w;
3904	XawTextPosition from, to, buf[32], *pos;
3905	#ifndef OLDXAW
3906	XawTextPosition endPos = 0;
3907	char lbuf = NULL((void)0), *rbuf;
3908	TextSrcObject src = (TextSrcObject)ctx->text.source;
3909	Cardinal i;
3910	Boolint undo = src->textSrc.enable_undo && src->textSrc.undo_state == False0;
3911	#endif
3912
3913	StartAction(ctx, event);
3914
3915	#ifndef OLDXAW
3916	pos = XawStackAlloc(sizeof(XawTextPosition) * src->textSrc.num_text, buf)((sizeof(XawTextPosition) * src->textSrc.num_text) <= sizeof (buf) ? (XtPointer)(buf) : XtMalloc((unsigned)(sizeof(XawTextPosition ) * src->textSrc.num_text)));
3917	for (i = 0; i < src->textSrc.num_text; i++)
3918	pos[i] = ((TextWidget)src->textSrc.text[i])->text.old_insert;
3919	#else
3920	pos = buf;
3921	*pos = ctx->text.old_insert;
3922	#endif
3923
3924	#ifndef OLDXAW
3925	if (!GetBlockBoundaries(ctx, &from, &to)) {
3926	EndAction(ctx);
3927	XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0);
3928	return;
3929	}
3930
3931	if (undo) {
3932	src->textSrc.undo_state = True1;
3933	lbuf = _XawTextGetText(ctx, from, to);
3934	endPos = ctx->text.lastPos;
3935	}
3936
3937	if (FormRegion(ctx, from, to, pos, src->textSrc.num_text) == XawReplaceError-1) {
3938	XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0);
3939	pos = buf;
3940	#else
3941	from = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos,
3942	XawstParagraph, XawsdLeft, 1, False0);
3943	to = SrcScanXawTextSourceScan(ctx->text.source, from,
3944	XawstParagraph, XawsdRight, 1, False0);
3945
3946	if (FormRegion(ctx, from, to, pos, 1) == XawReplaceError-1) {
3947	#endif
3948	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
3949	#ifndef OLDXAW
3950	if (undo) {
3951	src->textSrc.undo_state = False0;
3952	XtFree(lbuf);
3953	}
3954	#endif
3955	}
3956	#ifndef OLDXAW
3957	else if (undo) {
3958	/* makes the form-paragraph only one undo/redo step */
3959	unsigned llen, rlen, size;
3960	XawTextBlock block;
3961
3962	llen = to - from;
3963	rlen = llen + (ctx->text.lastPos - endPos);
3964
3965	block.firstPos = 0;
3966	block.format = _XawTextFormat(ctx);
3967
3968	rbuf = _XawTextGetText(ctx, from, from + rlen);
3969
3970	size = XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? sizeof(wchar_t) : sizeof(char);
3971	if (llen != rlen \|\| memcmp(lbuf, rbuf, llen * size)) {
3972	block.ptr = lbuf;
3973	block.length = llen;
3974	_XawTextReplace(ctx, from, from + rlen, &block);
3975
3976	src->textSrc.undo_state = False0;
3977	block.ptr = rbuf;
3978	block.length = rlen;
3979	_XawTextReplace(ctx, from, from + llen, &block);
3980	}
3981	else
3982	src->textSrc.undo_state = False0;
3983	XtFree(lbuf);
3984	XtFree(rbuf);
3985	}
3986
3987	for (i = 0; i < src->textSrc.num_text; i++) {
3988	TextWidget tw = (TextWidget)src->textSrc.text[i];
3989
3990	tw->text.old_insert = tw->text.insertPos = pos[i];
3991	_XawTextBuildLineTable(tw, SrcScanXawTextSourceScan((Widget)src, tw->text.lt.top, XawstEOL,
3992	XawsdLeft, 1, False0), False0);
3993	tw->text.clear_to_eol = True1;
3994	}
3995	XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0);
3996	#else
3997	ctx->text.old_insert = ctx->text.insertPos = *pos;
3998	_XawTextBuildLineTable(ctx, SrcScanXawTextSourceScan(ctx->text.source, ctx->text.lt.top,
3999	XawstEOL, XawsdLeft, 1, False0), False0);
4000	ctx->text.clear_to_eol = True1;
4001	#endif
4002	ctx->text.showposition = True1;
4003
4004	EndAction(ctx);
4005	}
4006
4007	/* TransposeCharacters() - action
4008	*
4009	* Swaps the character to the left of the mark
4010	* with the character to the right of the mark */
4011	/ARGSUSED/
4012	static void
4013	TransposeCharacters(Widget w, XEvent *event,
4014	String params, Cardinal num_params)
4015	{
4016	TextWidget ctx = (TextWidget)w;
4017	XawTextPosition start, end;
4018	XawTextBlock text;
4019	char *buf;
4020	int i, mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
4021
4022	if (mult < 0) {
4023	ctx->text.mult = 1;
4024	return;
4025	}
4026
4027	StartAction(ctx, event);
4028
4029	/* Get bounds. */
4030
4031	start = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstPositions,
4032	XawsdLeft, 1, True1);
4033	end = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstPositions,
4034	XawsdRight, mult, True1);
4035
4036	/* Make sure we aren't at the very beginning or end of the buffer. */
4037
4038	if (start == ctx->text.insertPos \|\| end == ctx->text.insertPos) {
4039	XBell(XtDisplay(w)(((w)->core.screen)->display), 0); /* complain. */
4040	EndAction(ctx);
4041	return;
4042	}
4043
4044	ctx->text.from_left = -1;
4045	ctx->text.insertPos = end;
4046
4047	text.firstPos = 0;
4048	text.format = _XawTextFormat(ctx);
4049
4050	/* Retrieve text and swap the characters. */
4051	if (text.format == XawFmtWide) {
4052	wchar_t wc;
4053	wchar_t *wbuf;
4054
4055	wbuf = (wchar_t*)_XawTextGetText(ctx, start, end);
4056	text.length = wcslen(wbuf);
4057	wc = wbuf[0];
4058	for (i = 1; i < text.length; i++)
4059	wbuf[i - 1] = wbuf[i];
4060	wbuf[i - 1] = wc;
4061	buf = (char)wbuf; / so that it gets assigned and freed */
4062	}
4063	else { /* thus text.format == XawFmt8Bit */
4064	char c;
4065
4066	buf = _XawTextGetText(ctx, start, end);
4067	text.length = strlen(buf);
4068	c = buf[0];
4069	for (i = 1; i < text.length; i++)
4070	buf[i - 1] = buf[i];
4071	buf[i - 1] = c;
4072	}
4073
4074	text.ptr = buf;
4075
4076	/* Store new text in source. */
4077
4078	if (_XawTextReplace (ctx, start, end, &text))
4079	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
4080	XtFree((char *)buf);
4081	EndAction(ctx);
4082	}
4083
4084	#ifndef OLDXAW
4085	/ARGSUSED/
4086	static void
4087	Undo(Widget w, XEvent event, String params, Cardinal *num_params)
4088	{
4089	TextWidget ctx = (TextWidget)w;
4090	int mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
4091	Boolint toggle = False0;
4092
4093	if (mul < 0) {
4094	toggle = True1;
4095	_XawTextSrcToggleUndo((TextSrcObject)ctx->text.source);
4096	ctx->text.mult = mul = -mul;
4097	}
4098
4099	StartAction(ctx, event);
4100	for (; mul; --mul)
4101	if (!_XawTextSrcUndo((TextSrcObject)ctx->text.source, &ctx->text.insertPos))
4102	break;
4103	ctx->text.showposition = True1;
4104
4105	if (toggle)
4106	_XawTextSrcToggleUndo((TextSrcObject)ctx->text.source);
4107	EndAction(ctx);
4108	}
4109	#endif
4110
4111	/* NoOp() - action
4112	* This action performs no action, and allows the user or
4113	* application programmer to unbind a translation.
4114	*
4115	* Note: If the parameter list contains the string "RingBell" then
4116	* this action will ring the bell.
4117	*/
4118	/ARGSUSED/
4119	static void
4120	NoOp(Widget w, XEvent event, String params, Cardinal *num_params)
4121	{
4122	if (*num_params != 1)
4123	return;
4124
4125	switch(params[0][0]) {
4126	case 'R':
4127	case 'r':
4128	XBell(XtDisplay(w)(((w)->core.screen)->display), 0);
4129	/FALLTROUGH/
4130	default:
4131	break;
4132	}
4133	}
4134
4135	/* Reconnect() - action
4136	* This reconnects to the input method. The user will typically call
4137	* this action if/when connection has been severed, or when the app
4138	* was started up before an IM was started up
4139	*/
4140	/ARGSUSED/
4141	static void
4142	Reconnect(Widget w, XEvent event, String params, Cardinal *num_params)
4143	{
4144	_XawImReconnect(w);
4145	}
4146
4147	#define CAPITALIZE 1
4148	#define DOWNCASE 2
4149	#define UPCASE 3
4150
4151	#ifdef NO_LIBC_I18N
4152	static int
4153	ToLowertolower(int ch)
4154	{
4155	char buf[2];
4156
4157	*buf = ch;
4158	XmuNCopyISOLatin1Lowered(buf, buf, sizeof(buf));
4159
4160	return (*buf);
4161	}
4162
4163	static int
4164	ToUppertoupper(int ch)
4165	{
4166	char buf[2];
4167
4168	*buf = ch;
4169	XmuNCopyISOLatin1Uppered(buf, buf, sizeof(buf));
4170
4171	return (*buf);
4172	}
4173
4174	static int
4175	IsAlnum(int ch)((*__ctype_b_loc ())[(int) ((int ch))] & (unsigned short int ) _ISalnum)
4176	{
4177	return ((ch >= '0' && ch <= '9') \|\| ToUppertoupper(ch) != ch \|\| ToLowertolower(ch) != ch);
4178	}
4179
4180	static int
4181	IsLower(int ch)((*__ctype_b_loc ())[(int) ((int ch))] & (unsigned short int ) _ISlower)
4182	{
4183	char upbuf[2];
4184	char lobuf[2];
4185
4186	upbuf = lobuf = ch;
4187	XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf));
4188	XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf));
4189
4190	return (lobuf != upbuf && ch == *lobuf);
4191	}
4192
4193	static int
4194	IsUpper(int ch)((*__ctype_b_loc ())[(int) ((int ch))] & (unsigned short int ) _ISupper)
4195	{
4196	char upbuf[2];
4197	char lobuf[2];
4198
4199	upbuf = lobuf = ch;
4200	XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf));
4201	XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf));
4202
4203	return (lobuf != upbuf && ch == *upbuf);
4204	}
4205	#else
4206	#define ToLowertolower tolower
4207	#define ToUppertoupper toupper
4208	#define IsAlnumisalnum isalnum
4209	#define IsLowerislower islower
4210	#define IsUpperisupper isupper
4211	#endif
4212
4213	static void
4214	CaseProc(Widget w, XEvent *event, int cmd)
4215	{
4216	TextWidget ctx = (TextWidget)w;
4217	short mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult);
4218	XawTextPosition left, right;
4219	XawTextBlock block;
4220	Boolint changed = False0;
4221	unsigned char ch, mb[sizeof(wchar_t)];
4222	int i, count;
4223
4224	if (mul > 0)
4225	right = SrcScanXawTextSourceScan(ctx->text.source, left = ctx->text.insertPos,
4226	XawstAlphaNumeric, XawsdRight, mul, False0);
4227	else
4228	left = SrcScanXawTextSourceScan(ctx->text.source, right = ctx->text.insertPos,
4229	XawstAlphaNumeric, XawsdLeft, 1 + -mul, False0);
4230	block.firstPos = 0;
4231	block.format = _XawTextFormat(ctx);
4232	block.length = right - left;
4233	block.ptr = _XawTextGetText(ctx, left, right);
4234
4235	count = 0;
4236	if (block.format == XawFmt8Bit)
4237	for (i = 0; i < block.length; i++) {
4238	if (!IsAlnum(mb = (unsigned char)block.ptr[i])((__ctype_b_loc ())[(int) ((*mb = (unsigned char)block.ptr[i ]))] & (unsigned short int) _ISalnum))
4239	count = 0;
4240	else if (++count == 1 \|\| cmd != CAPITALIZE) {
4241	ch = cmd == DOWNCASE ? ToLowertolower(mb) : ToUppertoupper(mb);
4242	if (ch != *mb) {
4243	changed = True1;
4244	block.ptr[i] = ch;
4245	}
4246	}
4247	else if (cmd == CAPITALIZE) {
4248	if ((ch = ToLowertolower(mb)) != mb) {
4249	changed = True1;
4250	block.ptr[i] = ch;
4251	}
4252	}
4253	}
4254	else
4255	for (i = 0; i < block.length; i++) {
4256	wctomb((char)mb, ((wchar_t)block.ptr)[i]);
4257	if (!IsAlnum(mb)((__ctype_b_loc ())[(int) ((*mb))] & (unsigned short int ) _ISalnum))
4258	count = 0;
4259	else if (++count == 1 \|\| cmd != CAPITALIZE) {
4260	ch = cmd == DOWNCASE ? ToLowertolower(mb) : ToUppertoupper(mb);
4261	if (ch != *mb) {
4262	changed = True1;
4263	((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch);
4264	}
4265	}
4266	else if (cmd == CAPITALIZE) {
4267	if ((ch = ToLowertolower(mb)) != mb) {
4268	changed = True1;
4269	((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch);
4270	}
4271	}
4272	}
4273
4274	StartAction(ctx, event);
4275	if (changed && _XawTextReplace(ctx, left, right, &block) != XawEditDone0)
4276	XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 0);
4277	ctx->text.insertPos = right;
4278	EndAction(ctx);
4279
4280	XtFree(block.ptr);
4281	}
4282
4283	/ARGSUSED/
4284	static void
4285	CapitalizeWord(Widget w, XEvent event, String params, Cardinal *num_params)
4286	{
4287	CaseProc(w, event, CAPITALIZE);
4288	}
4289
4290	/ARGSUSED/
4291	static void
4292	DowncaseWord(Widget w, XEvent event, String params, Cardinal *num_params)
4293	{
4294	CaseProc(w, event, DOWNCASE);
4295	}
4296
4297	/ARGSUSED/
4298	static void
4299	UpcaseWord(Widget w, XEvent event, String params, Cardinal *num_params)
4300	{
4301	CaseProc(w, event, UPCASE);
4302	}
4303	#undef CAPITALIZE
4304	#undef DOWNCASE
4305	#undef UPCASE
4306
4307	XtActionsRec _XawTextActionsTable[] = {
4308	/* motion */
4309	{"forward-character", MoveForwardChar},
4310	{"backward-character", MoveBackwardChar},
4311	{"forward-word", MoveForwardWord},
4312	{"backward-word", MoveBackwardWord},
4313	{"forward-paragraph", MoveForwardParagraph},
4314	{"backward-paragraph", MoveBackwardParagraph},
4315	{"beginning-of-line", MoveToLineStart},
4316	{"end-of-line", MoveToLineEnd},
4317	{"next-line", MoveNextLine},
4318	{"previous-line", MovePreviousLine},
4319	{"next-page", MoveNextPage},
4320	{"previous-page", MovePreviousPage},
4321	{"beginning-of-file", MoveBeginningOfFile},
4322	{"end-of-file", MoveEndOfFile},
4323	{"scroll-one-line-up", ScrollOneLineUp},
4324	{"scroll-one-line-down", ScrollOneLineDown},
4325
4326	/* delete */
4327	{"delete-next-character", DeleteForwardChar},
4328	{"delete-previous-character", DeleteBackwardChar},
4329	{"delete-next-word", DeleteForwardWord},
4330	{"delete-previous-word", DeleteBackwardWord},
4331	{"delete-selection", DeleteCurrentSelection},
4332	{"delete", Delete},
4333
4334	/* kill */
4335	{"kill-word", KillForwardWord},
4336	{"backward-kill-word", KillBackwardWord},
4337	{"kill-selection", KillCurrentSelection},
4338	{"kill-to-end-of-line", KillToEndOfLine},
4339	{"kill-to-end-of-paragraph", KillToEndOfParagraph},
4340
4341	/* new line */
4342	{"newline-and-indent", InsertNewLineAndIndent},
4343	{"newline-and-backup", InsertNewLineAndBackup},
4344	{"newline", InsertNewLine},
4345
4346	/* selection */
4347	{"select-word", SelectWord},
4348	{"select-all", SelectAll},
4349	{"select-start", SelectStart},
4350	{"select-adjust", SelectAdjust},
4351	{"select-end", SelectEnd},
4352	{"select-save", SelectSave},
4353	{"extend-start", ExtendStart},
4354	{"extend-adjust", ExtendAdjust},
4355	{"extend-end", ExtendEnd},
4356	{"insert-selection", InsertSelection},
4357
4358	/* miscellaneous */
4359	{"redraw-display", RedrawDisplay},
4360	{"insert-file", _XawTextInsertFile},
4361	{"search", _XawTextSearch},
4362	{"insert-char", InsertChar},
4363	{"insert-string", InsertString},
4364	{"focus-in", TextFocusIn},
4365	{"focus-out", TextFocusOut},
4366	{"enter-window", TextEnterWindow},
4367	{"leave-window", TextLeaveWindow},
4368	{"display-caret", DisplayCaret},
4369	{"multiply", Multiply},
4370	{"form-paragraph", FormParagraph},
4371	{"transpose-characters", TransposeCharacters},
4372	{"set-keyboard-focus", SetKeyboardFocus},
4373	#ifndef OLDXAW
4374	{"numeric", Numeric},
4375	{"undo", Undo},
4376	{"keyboard-reset", KeyboardReset},
4377	{"kill-ring-yank", KillRingYank},
4378	{"toggle-overwrite", ToggleOverwrite},
4379	{"indent", Indent},
4380	#endif
4381	{"no-op", NoOp},
4382
4383	/* case transformations */
4384	{"capitalize-word", CapitalizeWord},
4385	{"downcase-word", DowncaseWord},
4386	{"upcase-word", UpcaseWord},
4387
4388	/* action to bind translations for text dialogs */
4389	{"InsertFileAction", _XawTextInsertFileAction},
4390	{"DoSearchAction", _XawTextDoSearchAction},
4391	{"DoReplaceAction", _XawTextDoReplaceAction},
4392	{"SetField", _XawTextSetField},
4393	{"PopdownSearchAction", _XawTextPopdownSearchAction},
4394
4395	/* reconnect to Input Method */
4396	{"reconnect-im", Reconnect} /* Li Yuhong, Omron KK, 1991 */
4397	};
4398
4399	Cardinal _XawTextActionsTableCount = XtNumber(_XawTextActionsTable)((Cardinal) (sizeof(_XawTextActionsTable) / sizeof(_XawTextActionsTable [0])));