File: | TextAction.c |
Location: | line 1601, column 5 |
Description: | Value stored to 'position' is never read |
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, <emp, &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, |
Value stored to 'position' is never read | |
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 = █ |
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; |
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]))); |