File: | TextAction.c |
Location: | line 2238, column 3 |
Description: | Value stored to 'right' 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 <unistd.h> |
33 | #include <X11/Xos.h> /* for select() and struct timeval */ |
34 | #include <ctype.h> |
35 | #include <X11/IntrinsicP.h> |
36 | #include <X11/StringDefs.h> |
37 | #include <X11/Xatom.h> |
38 | #include <X11/Xfuncs.h> |
39 | #include <X11/Xutil.h> |
40 | #include <X11/Xmu/Atoms.h> |
41 | #include <X11/Xmu/Misc.h> |
42 | #include <X11/Xmu/StdSel.h> |
43 | #include <X11/Xaw/MultiSinkP.h> |
44 | #include <X11/Xaw/MultiSrcP.h> |
45 | #include <X11/Xaw/TextP.h> |
46 | #include <X11/Xaw/TextSrcP.h> |
47 | #include <X11/Xaw/XawImP.h> |
48 | #include "Private.h" |
49 | #include "XawI18n.h" |
50 | |
51 | #ifdef _WIN32 |
52 | #include <X11/Xwinsock.h> |
53 | #endif |
54 | |
55 | #define SrcScanXawTextSourceScan XawTextSourceScan |
56 | #define FindDistXawTextSinkFindDistance XawTextSinkFindDistance |
57 | #define FindPosXawTextSinkFindPosition XawTextSinkFindPosition |
58 | #define MULT(w)(w->text.mult == 0 ? 4 : w->text.mult == 32767 ? -4 : w ->text.mult) (w->text.mult == 0 ? 4 : \ |
59 | w->text.mult == 32767 ? -4 : w->text.mult) |
60 | |
61 | #define KILL_RING_APPEND2 2 |
62 | #define KILL_RING_BEGIN3 3 |
63 | #define KILL_RING_YANK100 100 |
64 | #define KILL_RING_YANK_DONE98 98 |
65 | |
66 | #define XawTextActionMaxHexChars100 100 |
67 | |
68 | /* |
69 | * Prototypes |
70 | */ |
71 | static void _DeleteOrKill(TextWidget, XawTextPosition, XawTextPosition, Boolint); |
72 | static void _SelectionReceived(Widget, XtPointer, Atom*, Atom*, XtPointer, |
73 | unsigned long*, int*); |
74 | static void _LoseSelection(Widget, Atom*, char**, int*); |
75 | static void AutoFill(TextWidget); |
76 | static Boolean ConvertSelection(Widget, Atom*, Atom*, Atom*, XtPointer*, |
77 | unsigned long*, int*); |
78 | static void DeleteOrKill(TextWidget, XEvent*, XawTextScanDirection, |
79 | XawTextScanType, Boolint, Boolint); |
80 | static void EndAction(TextWidget); |
81 | #ifndef OLDXAW |
82 | static Boolint BlankLine(Widget, XawTextPosition, int*); |
83 | static int DoFormatText(TextWidget, XawTextPosition, Boolint, int, |
84 | XawTextBlock*, XawTextPosition*, int, Boolint); |
85 | static int FormatText(TextWidget, XawTextPosition, Boolint, |
86 | XawTextPosition*, int); |
87 | static Boolint GetBlockBoundaries(TextWidget, XawTextPosition*, XawTextPosition*); |
88 | #endif |
89 | static int FormRegion(TextWidget, XawTextPosition, XawTextPosition, |
90 | XawTextPosition*, int); |
91 | static void GetSelection(Widget, Time, String*, Cardinal); |
92 | static char *IfHexConvertHexElseReturnParam(char*, int*); |
93 | static void InsertNewCRs(TextWidget, XawTextPosition, XawTextPosition, |
94 | XawTextPosition*, int); |
95 | static int InsertNewLineAndBackupInternal(TextWidget); |
96 | static int LocalInsertNewLine(TextWidget, XEvent*); |
97 | static void LoseSelection(Widget, Atom*); |
98 | static void ParameterError(Widget, String); |
99 | static Boolint MatchSelection(Atom, XawTextSelection*); |
100 | static void ModifySelection(TextWidget, XEvent*, XawTextSelectionMode, |
101 | XawTextSelectionAction, String*, Cardinal*); |
102 | static void Move(TextWidget, XEvent*, XawTextScanDirection, XawTextScanType, |
103 | Boolint); |
104 | static void NotePosition(TextWidget, XEvent*); |
105 | static void StartAction(TextWidget, XEvent*); |
106 | static XawTextPosition StripOutOldCRs(TextWidget, XawTextPosition, |
107 | XawTextPosition, XawTextPosition*, int); |
108 | #ifndef OLDXAW |
109 | static Boolint StripSpaces(TextWidget, XawTextPosition, XawTextPosition, |
110 | XawTextPosition*, int, XawTextBlock*); |
111 | static Boolint Tabify(TextWidget, XawTextPosition, XawTextPosition, |
112 | XawTextPosition*, int, XawTextBlock*); |
113 | static Boolint Untabify(TextWidget, XawTextPosition, XawTextPosition, |
114 | XawTextPosition*, int, XawTextBlock*); |
115 | #endif |
116 | |
117 | /* |
118 | * Actions |
119 | */ |
120 | static void CapitalizeWord(Widget, XEvent*, String*, Cardinal*); |
121 | static void DisplayCaret(Widget, XEvent*, String*, Cardinal*); |
122 | static void Delete(Widget, XEvent*, String*, Cardinal*); |
123 | static void DeleteBackwardChar(Widget, XEvent*, String*, Cardinal*); |
124 | static void DeleteBackwardWord(Widget, XEvent*, String*, Cardinal*); |
125 | static void DeleteCurrentSelection(Widget, XEvent*, String*, Cardinal*); |
126 | static void DeleteForwardChar(Widget, XEvent*, String*, Cardinal*); |
127 | static void DeleteForwardWord(Widget, XEvent*, String*, Cardinal*); |
128 | static void DowncaseWord(Widget, XEvent*, String*, Cardinal*); |
129 | static void ExtendAdjust(Widget, XEvent*, String*, Cardinal*); |
130 | static void ExtendEnd(Widget, XEvent*, String*, Cardinal*); |
131 | static void ExtendStart(Widget, XEvent*, String*, Cardinal*); |
132 | static void FormParagraph(Widget, XEvent*, String*, Cardinal*); |
133 | #ifndef OLDXAW |
134 | static void Indent(Widget, XEvent*, String*, Cardinal*); |
135 | #endif |
136 | static void InsertChar(Widget, XEvent*, String*, Cardinal*); |
137 | static void InsertNewLine(Widget, XEvent*, String*, Cardinal*); |
138 | static void InsertNewLineAndBackup(Widget, XEvent*, String*, Cardinal*); |
139 | static void InsertNewLineAndIndent(Widget, XEvent*, String*, Cardinal*); |
140 | static void InsertSelection(Widget, XEvent*, String*, Cardinal*); |
141 | static void InsertString(Widget, XEvent*, String*, Cardinal*); |
142 | #ifndef OLDXAW |
143 | static void KeyboardReset(Widget, XEvent*, String*, Cardinal*); |
144 | #endif |
145 | static void KillBackwardWord(Widget, XEvent*, String*, Cardinal*); |
146 | static void KillCurrentSelection(Widget, XEvent*, String*, Cardinal*); |
147 | static void KillForwardWord(Widget, XEvent*, String*, Cardinal*); |
148 | #ifndef OLDXAW |
149 | static void KillRingYank(Widget, XEvent*, String*, Cardinal*); |
150 | #endif |
151 | static void KillToEndOfLine(Widget, XEvent*, String*, Cardinal*); |
152 | static void KillToEndOfParagraph(Widget, XEvent*, String*, Cardinal*); |
153 | static void MoveBackwardChar(Widget, XEvent*, String*, Cardinal*); |
154 | static void MoveBackwardWord(Widget, XEvent*, String*, Cardinal*); |
155 | static void MoveBackwardParagraph(Widget, XEvent*, String*, Cardinal*); |
156 | static void MoveBeginningOfFile(Widget, XEvent*, String*, Cardinal*); |
157 | static void MoveEndOfFile(Widget, XEvent*, String*, Cardinal*); |
158 | static void MoveForwardChar(Widget, XEvent*, String*, Cardinal*); |
159 | static void MoveForwardWord(Widget, XEvent*, String*, Cardinal*); |
160 | static void MoveForwardParagraph(Widget, XEvent*, String*, Cardinal*); |
161 | static void MoveNextLine(Widget, XEvent*, String*, Cardinal*); |
162 | static void MoveNextPage(Widget, XEvent*, String*, Cardinal*); |
163 | static void MovePage(TextWidget, XEvent*, XawTextScanDirection); |
164 | static void MovePreviousLine(Widget, XEvent*, String*, Cardinal*); |
165 | static void MovePreviousPage(Widget, XEvent*, String*, Cardinal*); |
166 | static void MoveLine(TextWidget, XEvent*, XawTextScanDirection); |
167 | static void MoveToLineEnd(Widget, XEvent*, String*, Cardinal*); |
168 | static void MoveToLineStart(Widget, XEvent*, String*, Cardinal*); |
169 | static void Multiply(Widget, XEvent*, String*, Cardinal*); |
170 | static void NoOp(Widget, XEvent*, String*, Cardinal*); |
171 | #ifndef OLDXAW |
172 | static void Numeric(Widget, XEvent*, String*, Cardinal*); |
173 | #endif |
174 | static void Reconnect(Widget, XEvent*, String*, Cardinal*); |
175 | static void RedrawDisplay(Widget, XEvent*, String*, Cardinal*); |
176 | static void Scroll(TextWidget, XEvent*, XawTextScanDirection); |
177 | static void ScrollOneLineDown(Widget, XEvent*, String*, Cardinal*); |
178 | static void ScrollOneLineUp(Widget, XEvent*, String*, Cardinal*); |
179 | static void SelectAdjust(Widget, XEvent*, String*, Cardinal*); |
180 | static void SelectAll(Widget, XEvent*, String*, Cardinal*); |
181 | static void SelectEnd(Widget, XEvent*, String*, Cardinal*); |
182 | static void SelectSave(Widget, XEvent*, String*, Cardinal*); |
183 | static void SelectStart(Widget, XEvent*, String*, Cardinal*); |
184 | static void SelectWord(Widget, XEvent*, String*, Cardinal*); |
185 | static void SetKeyboardFocus(Widget, XEvent*, String*, Cardinal*); |
186 | static void TextEnterWindow(Widget, XEvent*, String*, Cardinal*); |
187 | static void TextFocusIn(Widget, XEvent*, String*, Cardinal*); |
188 | static void TextFocusOut(Widget, XEvent*, String*, Cardinal*); |
189 | static void TextLeaveWindow(Widget, XEvent*, String*, Cardinal*); |
190 | static void TransposeCharacters(Widget, XEvent*, String*, Cardinal*); |
191 | #ifndef OLDXAW |
192 | static void ToggleOverwrite(Widget, XEvent*, String*, Cardinal*); |
193 | static void Undo(Widget, XEvent*, String*, Cardinal*); |
194 | #endif |
195 | static void UpcaseWord(Widget, XEvent*, String*, Cardinal*); |
196 | static void DestroyFocusCallback(Widget, XtPointer, XtPointer); |
197 | |
198 | /* |
199 | * External |
200 | */ |
201 | void _XawTextZapSelection(TextWidget, XEvent*, Boolint); |
202 | |
203 | /* |
204 | * Defined in TextPop.c |
205 | */ |
206 | void _XawTextInsertFileAction(Widget, XEvent*, String*, Cardinal*); |
207 | void _XawTextInsertFile(Widget, XEvent*, String*, Cardinal*); |
208 | void _XawTextSearch(Widget, XEvent*, String*, Cardinal*); |
209 | void _XawTextDoSearchAction(Widget, XEvent*, String*, Cardinal*); |
210 | void _XawTextDoReplaceAction(Widget, XEvent*, String*, Cardinal*); |
211 | void _XawTextSetField(Widget, XEvent*, String*, Cardinal*); |
212 | void _XawTextPopdownSearchAction(Widget, XEvent*, String*, Cardinal*); |
213 | |
214 | /* |
215 | * These are defined in Text.c |
216 | */ |
217 | void _XawTextAlterSelection(TextWidget, XawTextSelectionMode, |
218 | XawTextSelectionAction, String*, Cardinal*); |
219 | void _XawTextClearAndCenterDisplay(TextWidget); |
220 | void _XawTextExecuteUpdate(TextWidget); |
221 | char *_XawTextGetText(TextWidget, XawTextPosition, XawTextPosition); |
222 | void _XawTextPrepareToUpdate(TextWidget); |
223 | int _XawTextReplace(TextWidget, XawTextPosition, XawTextPosition, |
224 | XawTextBlock*); |
225 | Atom *_XawTextSelectionList(TextWidget, String*, Cardinal); |
226 | void _XawTextSetSelection(TextWidget, XawTextPosition, XawTextPosition, |
227 | String*, Cardinal); |
228 | void _XawTextVScroll(TextWidget, int); |
229 | void XawTextScroll(TextWidget, int, int); |
230 | void _XawTextSetLineAndColumnNumber(TextWidget, Boolint); |
231 | |
232 | #ifndef OLDXAW |
233 | /* |
234 | * Defined in TextSrc.c |
235 | */ |
236 | Boolint _XawTextSrcUndo(TextSrcObject, XawTextPosition*); |
237 | Boolint _XawTextSrcToggleUndo(TextSrcObject); |
238 | void _XawSourceSetUndoErase(TextSrcObject, int); |
239 | void _XawSourceSetUndoMerge(TextSrcObject, Boolint); |
240 | #endif /* OLDXAW */ |
241 | |
242 | /* |
243 | * Initialization |
244 | */ |
245 | #ifndef OLDXAW |
246 | #define MAX_KILL_RINGS1024 1024 |
247 | XawTextKillRing *xaw_text_kill_ring; |
248 | static XawTextKillRing kill_ring_prev, kill_ring_null = { &kill_ring_prev, }; |
249 | static unsigned num_kill_rings; |
250 | #endif |
251 | |
252 | /* |
253 | * Implementation |
254 | */ |
255 | static void |
256 | ParameterError(Widget w, String param) |
257 | { |
258 | String params[2]; |
259 | Cardinal num_params = 2; |
260 | params[0] = XtName(w); |
261 | params[1] = param; |
262 | |
263 | XtAppWarningMsg(XtWidgetToApplicationContext(w), |
264 | "parameterError", "textAction", "XawError", |
265 | "Widget: %s Parameter: %s", |
266 | params, &num_params); |
267 | XBell(XtDisplay(w)(((w)->core.screen)->display), 50); |
268 | } |
269 | |
270 | static void |
271 | StartAction(TextWidget ctx, XEvent *event) |
272 | { |
273 | #ifndef OLDXAW |
274 | Cardinal i; |
275 | TextSrcObject src = (TextSrcObject)ctx->text.source; |
276 | |
277 | for (i = 0; i < src->textSrc.num_text; i++) |
278 | _XawTextPrepareToUpdate((TextWidget)src->textSrc.text[i]); |
279 | _XawSourceSetUndoMerge(src, False0); |
280 | #else |
281 | _XawTextPrepareToUpdate(ctx); |
282 | #endif |
283 | |
284 | if (event != NULL((void*)0)) { |
285 | switch (event->type) { |
286 | case ButtonPress4: |
287 | case ButtonRelease5: |
288 | ctx->text.time = event->xbutton.time; |
289 | break; |
290 | case KeyPress2: |
291 | case KeyRelease3: |
292 | ctx->text.time = event->xkey.time; |
293 | break; |
294 | case MotionNotify6: |
295 | ctx->text.time = event->xmotion.time; |
296 | break; |
297 | case EnterNotify7: |
298 | case LeaveNotify8: |
299 | ctx->text.time = event->xcrossing.time; |
300 | } |
301 | } |
302 | } |
303 | |
304 | static void |
305 | NotePosition(TextWidget ctx, XEvent *event) |
306 | { |
307 | switch (event->type) { |
308 | case ButtonPress4: |
309 | case ButtonRelease5: |
310 | ctx->text.ev_x = event->xbutton.x; |
311 | ctx->text.ev_y = event->xbutton.y; |
312 | break; |
313 | case KeyPress2: |
314 | case KeyRelease3: { |
315 | XRectangle cursor; |
316 | XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); |
317 | ctx->text.ev_x = cursor.x + cursor.width / 2; |
318 | ctx->text.ev_y = cursor.y + cursor.height / 2; |
319 | } break; |
320 | case MotionNotify6: |
321 | ctx->text.ev_x = event->xmotion.x; |
322 | ctx->text.ev_y = event->xmotion.y; |
323 | break; |
324 | case EnterNotify7: |
325 | case LeaveNotify8: |
326 | ctx->text.ev_x = event->xcrossing.x; |
327 | ctx->text.ev_y = event->xcrossing.y; |
328 | } |
329 | } |
330 | |
331 | static void |
332 | EndAction(TextWidget ctx) |
333 | { |
334 | #ifndef OLDXAW |
335 | Cardinal i; |
336 | TextSrcObject src = (TextSrcObject)ctx->text.source; |
337 | |
338 | for (i = 0; i < src->textSrc.num_text; i++) |
339 | _XawTextExecuteUpdate((TextWidget)src->textSrc.text[i]); |
340 | |
341 | ctx->text.mult = 1; |
342 | ctx->text.numeric = False0; |
343 | if (ctx->text.kill_ring) { |
344 | if (--ctx->text.kill_ring == KILL_RING_YANK_DONE98) { |
345 | if (ctx->text.kill_ring_ptr) { |
346 | --ctx->text.kill_ring_ptr->refcount; |
347 | ctx->text.kill_ring_ptr = NULL((void*)0); |
348 | } |
349 | } |
350 | } |
351 | #else |
352 | ctx->text.mult = 1; |
353 | _XawTextExecuteUpdate(ctx); |
354 | #endif /* OLDXAW */ |
355 | } |
356 | |
357 | struct _SelectionList { |
358 | String* params; |
359 | Cardinal count; |
360 | Time time; |
361 | int asked; /* which selection currently has been asked for: |
362 | 0 = UTF8_STRING, 1 = COMPOUND_TEXT, 2 = STRING */ |
363 | Atom selection; /* selection atom (normally XA_PRIMARY) */ |
364 | }; |
365 | |
366 | /*ARGSUSED*/ |
367 | static void |
368 | _SelectionReceived(Widget w, XtPointer client_data, Atom *selection, |
369 | Atom *type, XtPointer value, unsigned long *length, |
370 | int *format) |
371 | { |
372 | Display *d = XtDisplay(w)(((w)->core.screen)->display); |
373 | TextWidget ctx = (TextWidget)w; |
374 | XawTextBlock text; |
375 | |
376 | if (*type == 0 /*XT_CONVERT_FAIL*/ || *length == 0) { |
377 | struct _SelectionList* list = (struct _SelectionList*)client_data; |
378 | |
379 | if (list != NULL((void*)0)) { |
380 | if (list->asked == 0) { |
381 | /* If we just asked for XA_UTF8_STRING and got no response, |
382 | we'll ask again, this time for XA_COMPOUND_TEXT. */ |
383 | list->asked++; |
384 | XtGetSelectionValue(w, list->selection, XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT), |
385 | _SelectionReceived, |
386 | (XtPointer)list, list->time); |
387 | } else if (list->asked == 1) { |
388 | /* If we just asked for XA_COMPOUND_TEXT and got no response, |
389 | we'll ask again, this time for XA_STRING. */ |
390 | list->asked++; |
391 | XtGetSelectionValue(w, list->selection, XA_STRING((Atom) 31), |
392 | _SelectionReceived, |
393 | (XtPointer)list, list->time); |
394 | } else { |
395 | /* We tried all possible text targets in this param. |
396 | Recurse on the tail of the params list. */ |
397 | GetSelection(w, list->time, list->params, list->count); |
398 | XtFree(client_data); |
399 | } |
400 | } |
401 | return; |
402 | } |
403 | |
404 | StartAction(ctx, NULL((void*)0)); |
405 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { |
406 | XTextProperty textprop; |
407 | wchar_t **wlist; |
408 | int count; |
409 | |
410 | textprop.encoding = *type; |
411 | textprop.value = (unsigned char *)value; |
412 | textprop.nitems = strlen(value); |
413 | textprop.format = 8; |
414 | |
415 | if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) |
416 | != Success0 |
417 | || count < 1) { |
418 | XwcFreeStringList(wlist); |
419 | |
420 | /* Notify the user on strerr and in the insertion :) */ |
421 | fprintf(stderr__stderrp, "Xaw Text Widget: An attempt was made to insert " |
422 | "an illegal selection.\n"); |
423 | |
424 | textprop.value = (unsigned char *)" >> ILLEGAL SELECTION << "; |
425 | textprop.nitems = strlen((char *) textprop.value); |
426 | if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) |
427 | != Success0 |
428 | || count < 1) |
429 | return; |
430 | } |
431 | |
432 | XFree(value); |
433 | value = (XPointer)wlist[0]; |
434 | |
435 | *length = wcslen(wlist[0]); |
436 | XtFree((XtPointer)wlist); |
437 | text.format = XawFmtWide; |
438 | } |
439 | text.ptr = (char*)value; |
440 | text.firstPos = 0; |
441 | text.length = *length; |
442 | if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) { |
443 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 0); |
444 | EndAction(ctx); |
445 | return; |
446 | } |
447 | |
448 | ctx->text.from_left = -1; |
449 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert, |
450 | XawstPositions, XawsdRight, text.length, True1); |
451 | |
452 | EndAction(ctx); |
453 | XtFree(client_data); |
454 | XFree(value); /* the selection value should be freed with XFree */ |
455 | } |
456 | |
457 | static void |
458 | GetSelection(Widget w, Time timev, String *params, Cardinal num_params) |
459 | { |
460 | Display *d = XtDisplay(w)(((w)->core.screen)->display); |
461 | TextWidget ctx = (TextWidget)w; |
462 | Atom selection; |
463 | int buffer; |
464 | |
465 | selection = XInternAtom(XtDisplay(w)(((w)->core.screen)->display), *params, False0); |
466 | switch (selection) { |
467 | case XA_CUT_BUFFER0((Atom) 9): buffer = 0; break; |
468 | case XA_CUT_BUFFER1((Atom) 10): buffer = 1; break; |
469 | case XA_CUT_BUFFER2((Atom) 11): buffer = 2; break; |
470 | case XA_CUT_BUFFER3((Atom) 12): buffer = 3; break; |
471 | case XA_CUT_BUFFER4((Atom) 13): buffer = 4; break; |
472 | case XA_CUT_BUFFER5((Atom) 14): buffer = 5; break; |
473 | case XA_CUT_BUFFER6((Atom) 15): buffer = 6; break; |
474 | case XA_CUT_BUFFER7((Atom) 16): buffer = 7; break; |
475 | default: buffer = -1; |
476 | } |
477 | if (buffer >= 0) { |
478 | int nbytes; |
479 | unsigned long length; |
480 | int fmt8 = 8; |
481 | Atom type = XA_STRING((Atom) 31); |
482 | char *line = XFetchBuffer(XtDisplay(w)(((w)->core.screen)->display), &nbytes, buffer); |
483 | |
484 | if ((length = nbytes) != 0L) |
485 | _SelectionReceived(w, NULL((void*)0), &selection, &type, line, &length, &fmt8); |
486 | else if (num_params > 1) |
487 | GetSelection(w, timev, params+1, num_params-1); |
488 | } |
489 | else { |
490 | struct _SelectionList* list; |
491 | |
492 | if (--num_params) { |
493 | list = XtNew(struct _SelectionList)((struct _SelectionList *) XtMalloc((unsigned) sizeof(struct _SelectionList ))); |
494 | list->params = params + 1; |
495 | list->count = num_params; |
496 | list->time = timev; |
497 | list->asked = 0; |
498 | list->selection = selection; |
499 | } |
500 | else |
501 | list = NULL((void*)0); |
502 | XtGetSelectionValue(w, selection, XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? |
503 | XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING) : XA_TEXT(d)XmuInternAtom(d, _XA_TEXT), |
504 | _SelectionReceived, (XtPointer)list, timev); |
505 | } |
506 | } |
507 | |
508 | static void |
509 | InsertSelection(Widget w, XEvent *event, String *params, Cardinal *num_params) |
510 | { |
511 | StartAction((TextWidget)w, event); /* Get Time. */ |
512 | GetSelection(w, ((TextWidget)w)->text.time, params, *num_params); |
513 | EndAction((TextWidget)w); |
514 | } |
515 | |
516 | /* |
517 | * Routines for Moving Around |
518 | */ |
519 | static void |
520 | Move(TextWidget ctx, XEvent *event, XawTextScanDirection dir, |
521 | XawTextScanType type, Boolint include) |
522 | { |
523 | XawTextPosition insertPos; |
524 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
525 | |
526 | if (mult < 0) { |
527 | mult = -mult; |
528 | dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; |
529 | } |
530 | |
531 | insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
532 | type, dir, mult, include); |
533 | |
534 | StartAction(ctx, event); |
535 | |
536 | if (ctx->text.s.left != ctx->text.s.right) |
537 | XawTextUnsetSelection((Widget)ctx); |
538 | |
539 | #ifndef OLDXAW |
540 | ctx->text.numeric = False0; |
541 | #endif |
542 | ctx->text.mult = 1; |
543 | ctx->text.showposition = True1; |
544 | ctx->text.from_left = -1; |
545 | ctx->text.insertPos = insertPos; |
546 | EndAction(ctx); |
547 | } |
548 | |
549 | /*ARGSUSED*/ |
550 | static void |
551 | MoveForwardChar(Widget w, XEvent *event, String *p, Cardinal *n) |
552 | { |
553 | Move((TextWidget)w, event, XawsdRight, XawstPositions, True1); |
554 | } |
555 | |
556 | /*ARGSUSED*/ |
557 | static void |
558 | MoveBackwardChar(Widget w, XEvent *event, String *p, Cardinal *n) |
559 | { |
560 | Move((TextWidget)w, event, XawsdLeft, XawstPositions, True1); |
561 | } |
562 | |
563 | static void |
564 | MoveForwardWord(Widget w, XEvent *event, String *p, Cardinal *n) |
565 | { |
566 | if (*n && (p[0][0] == 'A' || p[0][0] == 'a')) |
567 | Move((TextWidget)w, event, XawsdRight, XawstAlphaNumeric, False0); |
568 | else |
569 | Move((TextWidget)w, event, XawsdRight, XawstWhiteSpace, False0); |
570 | } |
571 | |
572 | static void |
573 | MoveBackwardWord(Widget w, XEvent *event, String *p, Cardinal *n) |
574 | { |
575 | if (*n && (p[0][0] == 'A' || p[0][0] == 'a')) |
576 | Move((TextWidget)w, event, XawsdLeft, XawstAlphaNumeric, False0); |
577 | else |
578 | Move((TextWidget)w, event, XawsdLeft, XawstWhiteSpace, False0); |
579 | } |
580 | |
581 | static void |
582 | MoveForwardParagraph(Widget w, XEvent *event, String *p, Cardinal *n) |
583 | { |
584 | TextWidget ctx = (TextWidget)w; |
585 | XawTextPosition position = ctx->text.insertPos; |
586 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
587 | |
588 | if (mult < 0) { |
589 | ctx->text.mult = -mult; |
590 | MoveBackwardParagraph(w, event, p, n); |
591 | return; |
592 | } |
593 | |
594 | while (mult--) { |
595 | position = SrcScanXawTextSourceScan(ctx->text.source, position, |
596 | XawstEOL, XawsdRight, 1, False0) - 1; |
597 | |
598 | while (position == SrcScanXawTextSourceScan(ctx->text.source, position, |
599 | XawstEOL, XawsdRight, 1, False0)) |
600 | if (++position > ctx->text.lastPos) { |
601 | mult = 0; |
602 | break; |
603 | } |
604 | |
605 | position = SrcScanXawTextSourceScan(ctx->text.source, position, |
606 | XawstParagraph, XawsdRight, 1, True1); |
607 | if (position != ctx->text.lastPos) |
608 | position = SrcScanXawTextSourceScan(ctx->text.source, position - 1, |
609 | XawstEOL, XawsdLeft, 1, False0); |
610 | else |
611 | break; |
612 | } |
613 | |
614 | if (position != ctx->text.insertPos) { |
615 | XawTextUnsetSelection(w); |
616 | StartAction(ctx, event); |
617 | ctx->text.showposition = True1; |
618 | ctx->text.from_left = -1; |
619 | ctx->text.insertPos = position; |
620 | EndAction(ctx); |
621 | } |
622 | else |
623 | ctx->text.mult = 1; |
624 | } |
625 | |
626 | /*ARGSUSED*/ |
627 | static void |
628 | MoveBackwardParagraph(Widget w, XEvent *event, String *p, Cardinal *n) |
629 | { |
630 | TextWidget ctx = (TextWidget)w; |
631 | XawTextPosition position = ctx->text.insertPos; |
632 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
633 | |
634 | if (mult < 0) { |
635 | ctx->text.mult = -mult; |
636 | MoveForwardParagraph(w, event, p, n); |
637 | return; |
638 | } |
639 | |
640 | while (mult--) { |
641 | position = SrcScanXawTextSourceScan(ctx->text.source, position, |
642 | XawstEOL, XawsdLeft, 1, False0) + 1; |
643 | |
644 | while (position == SrcScanXawTextSourceScan(ctx->text.source, position, |
645 | XawstEOL, XawsdLeft, 1, False0)) |
646 | if (--position < 0) { |
647 | mult = 0; |
648 | break; |
649 | } |
650 | |
651 | position = SrcScanXawTextSourceScan(ctx->text.source, position, |
652 | XawstParagraph, XawsdLeft, 1, True1); |
653 | if (position > 0 && position < ctx->text.lastPos) |
654 | ++position; |
655 | else |
656 | break; |
657 | } |
658 | |
659 | if (position != ctx->text.insertPos) { |
660 | XawTextUnsetSelection(w); |
661 | StartAction(ctx, event); |
662 | ctx->text.showposition = True1; |
663 | ctx->text.from_left = -1; |
664 | ctx->text.insertPos = position; |
665 | EndAction(ctx); |
666 | } |
667 | else |
668 | ctx->text.mult = 1; |
669 | } |
670 | |
671 | /*ARGSUSED*/ |
672 | static void |
673 | MoveToLineEnd(Widget w, XEvent *event, String *p, Cardinal *n) |
674 | { |
675 | Move((TextWidget)w, event, XawsdRight, XawstEOL, False0); |
676 | } |
677 | |
678 | /*ARGSUSED*/ |
679 | static void |
680 | MoveToLineStart(Widget w, XEvent *event, String *p, Cardinal *n) |
681 | { |
682 | Move((TextWidget)w, event, XawsdLeft, XawstEOL, False0); |
683 | } |
684 | |
685 | static void |
686 | MoveLine(TextWidget ctx, XEvent *event, XawTextScanDirection dir) |
687 | { |
688 | XawTextPosition cnew, next_line, ltemp; |
689 | int itemp, from_left; |
690 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
691 | |
692 | StartAction(ctx, event); |
693 | |
694 | XawTextUnsetSelection((Widget)ctx); |
695 | |
696 | if (dir == XawsdLeft) |
697 | mult = mult == 0 ? 5 : mult + 1; |
698 | |
699 | cnew = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
700 | XawstEOL, XawsdLeft, 1, False0); |
701 | |
702 | if (ctx->text.from_left < 0) |
703 | FindDistXawTextSinkFindDistance(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.insertPos, |
704 | &ctx->text.from_left, <emp, &itemp); |
705 | |
706 | cnew = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL, dir, |
707 | mult, (dir == XawsdRight)); |
708 | |
709 | next_line = SrcScanXawTextSourceScan(ctx->text.source, cnew, XawstEOL, XawsdRight, 1, False0); |
710 | |
711 | FindPosXawTextSinkFindPosition(ctx->text.sink, cnew, ctx->text.left_margin, ctx->text.from_left, |
712 | False0, &ctx->text.insertPos, &from_left, &itemp); |
713 | |
714 | if (from_left < ctx->text.from_left) { |
715 | XawTextBlock block; |
716 | |
717 | XawTextSourceRead(ctx->text.source, ctx->text.insertPos, &block, 1); |
718 | if (block.length) { |
719 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { |
720 | if (*(wchar_t *)block.ptr == _Xaw_atowc(XawTAB0x09)) |
721 | ++ctx->text.insertPos; |
722 | } |
723 | else if (block.ptr[0] == XawTAB0x09) |
724 | ++ctx->text.insertPos; |
725 | } |
726 | } |
727 | |
728 | if (ctx->text.insertPos > next_line) |
729 | ctx->text.insertPos = next_line; |
730 | |
731 | EndAction(ctx); |
732 | } |
733 | |
734 | static void |
735 | MoveNextLine(Widget w, XEvent *event, String *p, Cardinal *n) |
736 | { |
737 | TextWidget ctx = (TextWidget)w; |
738 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
739 | |
740 | if (mult < 0) { |
741 | ctx->text.mult = -mult; |
742 | MovePreviousLine(w, event, p, n); |
743 | return; |
744 | } |
745 | |
746 | if (ctx->text.insertPos < ctx->text.lastPos) |
747 | MoveLine(ctx, event, XawsdRight); |
748 | else |
749 | ctx->text.mult = 1; |
750 | } |
751 | |
752 | static void |
753 | MovePreviousLine(Widget w, XEvent *event, String *p, Cardinal *n) |
754 | { |
755 | TextWidget ctx = (TextWidget)w; |
756 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
757 | |
758 | if (mult < 0) { |
759 | ctx->text.mult = -mult; |
760 | MoveNextLine(w, event, p, n); |
761 | return; |
762 | } |
763 | |
764 | if (ctx->text.lt.top != 0 || (ctx->text.lt.lines > 1 && |
765 | ctx->text.insertPos >= ctx->text.lt.info[1].position)) |
766 | MoveLine(ctx, event, XawsdLeft); |
767 | else |
768 | ctx->text.mult = 1; |
769 | } |
770 | |
771 | /*ARGSUSED*/ |
772 | static void |
773 | MoveBeginningOfFile(Widget w, XEvent *event, String *p, Cardinal *n) |
774 | { |
775 | Move((TextWidget)w, event, XawsdLeft, XawstAll, True1); |
776 | } |
777 | |
778 | /*ARGSUSED*/ |
779 | static void |
780 | MoveEndOfFile(Widget w, XEvent *event, String *p, Cardinal *n) |
781 | { |
782 | Move((TextWidget)w, event, XawsdRight, XawstAll, True1); |
783 | } |
784 | |
785 | static void |
786 | Scroll(TextWidget ctx, XEvent *event, XawTextScanDirection dir) |
787 | { |
788 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
789 | |
790 | if (mult < 0) { |
791 | mult = -mult; |
792 | dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; |
793 | } |
794 | |
795 | if (ctx->text.lt.lines > 1 |
796 | && (dir == XawsdRight |
797 | || ctx->text.lastPos >= ctx->text.lt.info[1].position)) { |
798 | StartAction(ctx, event); |
799 | |
800 | if (dir == XawsdLeft) |
801 | _XawTextVScroll(ctx, mult); |
802 | else |
803 | _XawTextVScroll(ctx, -mult); |
804 | |
805 | EndAction(ctx); |
806 | } |
807 | else { |
808 | ctx->text.mult = 1; |
809 | #ifndef OLDXAW |
810 | ctx->text.numeric = False0; |
811 | #endif |
812 | } |
813 | } |
814 | |
815 | /*ARGSUSED*/ |
816 | static void |
817 | ScrollOneLineUp(Widget w, XEvent *event, String *p, Cardinal *n) |
818 | { |
819 | Scroll((TextWidget)w, event, XawsdLeft); |
820 | } |
821 | |
822 | /*ARGSUSED*/ |
823 | static void |
824 | ScrollOneLineDown(Widget w, XEvent *event, String *p, Cardinal *n) |
825 | { |
826 | Scroll((TextWidget)w, event, XawsdRight); |
827 | } |
828 | |
829 | static void |
830 | MovePage(TextWidget ctx, XEvent *event, XawTextScanDirection dir) |
831 | { |
832 | int scroll_val = 0; |
833 | XawTextPosition old_pos; |
834 | |
835 | ctx->text.from_left = -1; |
836 | switch (dir) { |
837 | case XawsdLeft: |
838 | if (ctx->text.lt.top != 0) |
839 | scroll_val = -Max(1, ctx->text.lt.lines - 1)(((1) > (ctx->text.lt.lines - 1)) ? (1) : (ctx->text .lt.lines - 1)); |
840 | break; |
841 | case XawsdRight: |
842 | 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)) |
843 | scroll_val = Max(1, ctx->text.lt.lines - 1)(((1) > (ctx->text.lt.lines - 1)) ? (1) : (ctx->text .lt.lines - 1)); |
844 | break; |
845 | } |
846 | |
847 | if (scroll_val) |
848 | XawTextScroll(ctx, scroll_val, |
849 | ctx->text.left_margin - ctx->text.r_margin.left); |
850 | |
851 | old_pos = ctx->text.insertPos; |
852 | switch (dir) { |
853 | case XawsdRight: |
854 | 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)) |
855 | ctx->text.insertPos = Max(0, ctx->text.lastPos)(((0) > (ctx->text.lastPos)) ? (0) : (ctx->text.lastPos )); |
856 | else |
857 | ctx->text.insertPos = ctx->text.lt.top; |
858 | if (ctx->text.insertPos < old_pos) |
859 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, old_pos, |
860 | XawstEOL, XawsdLeft, 1, False0); |
861 | break; |
862 | case XawsdLeft: |
863 | if (IsPositionVisible(ctx, 0)(0 >= ctx->text.lt.info[0].position && 0 < ctx ->text.lt.info[ctx->text.lt.lines].position)) |
864 | ctx->text.insertPos = 0; |
865 | else if (ctx->text.lt.lines) |
866 | ctx->text.insertPos = |
867 | ctx->text.lt.info[ctx->text.lt.lines - 1].position; |
868 | else |
869 | ctx->text.insertPos = ctx->text.lt.top; |
870 | if (ctx->text.insertPos > old_pos) |
871 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, old_pos, |
872 | XawstEOL, XawsdLeft, 1, False0); |
873 | break; |
874 | } |
875 | } |
876 | |
877 | static void |
878 | MoveNextPage(Widget w, XEvent *event, String *p, Cardinal *n) |
879 | { |
880 | TextWidget ctx = (TextWidget)w; |
881 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
882 | |
883 | if (mult < 0) { |
884 | ctx->text.mult = -mult; |
885 | MovePreviousPage(w, event, p, n); |
886 | return; |
887 | } |
888 | |
889 | if (ctx->text.insertPos < ctx->text.lastPos) { |
890 | XawTextUnsetSelection(w); |
891 | StartAction(ctx, event); |
892 | ctx->text.clear_to_eol = True1; |
893 | while (mult-- && ctx->text.insertPos < ctx->text.lastPos) |
894 | MovePage(ctx, event, XawsdRight); |
895 | EndAction(ctx); |
896 | } |
897 | else |
898 | ctx->text.mult = 1; |
899 | } |
900 | |
901 | /*ARGSUSED*/ |
902 | static void |
903 | MovePreviousPage(Widget w, XEvent *event, String *p, Cardinal *n) |
904 | { |
905 | TextWidget ctx = (TextWidget)w; |
906 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
907 | |
908 | if (mult < 0) { |
909 | ctx->text.mult = -mult; |
910 | MoveNextPage(w, event, p, n); |
911 | return; |
912 | } |
913 | |
914 | if (ctx->text.insertPos > 0) { |
915 | XawTextUnsetSelection(w); |
916 | StartAction(ctx, event); |
917 | ctx->text.clear_to_eol = True1; |
918 | while (mult-- && ctx->text.insertPos > 0) |
919 | MovePage(ctx, event, XawsdLeft); |
920 | EndAction(ctx); |
921 | } |
922 | else |
923 | ctx->text.mult = 1; |
924 | } |
925 | |
926 | /* |
927 | * Delete Routines |
928 | */ |
929 | static Boolint |
930 | MatchSelection(Atom selection, XawTextSelection *s) |
931 | { |
932 | Atom *match; |
933 | int count; |
934 | |
935 | for (count = 0, match = s->selections; count < s->atom_count; |
936 | match++, count++) |
937 | if (*match == selection) |
938 | return (True1); |
939 | |
940 | return (False0); |
941 | } |
942 | |
943 | #define SrcCvtSelXawTextSourceConvertSelection XawTextSourceConvertSelection |
944 | |
945 | static Boolean |
946 | ConvertSelection(Widget w, Atom *selection, Atom *target, Atom *type, |
947 | XtPointer *value, unsigned long *length, int *format) |
948 | { |
949 | Display *d = XtDisplay(w)(((w)->core.screen)->display); |
950 | TextWidget ctx = (TextWidget)w; |
951 | Widget src = ctx->text.source; |
952 | XawTextEditType edit_mode; |
953 | Arg args[1]; |
954 | XawTextSelectionSalt *salt = NULL((void*)0); |
955 | XawTextSelection *s; |
956 | |
957 | if (*target == XA_TARGETS(d)XmuInternAtom(d, _XA_TARGETS)) { |
958 | Atom *targetP, *std_targets; |
959 | unsigned long std_length; |
960 | |
961 | if (SrcCvtSelXawTextSourceConvertSelection(src, selection, target, type, value, length, format)) |
962 | return (True1); |
963 | |
964 | XtSetArg(args[0], XtNeditType,&edit_mode)((void)( (args[0]).name = (((char*)&XtStrings[185])), (args [0]).value = (XtArgVal)(&edit_mode) )); |
965 | XtGetValues(src, args, 1); |
966 | |
967 | XmuConvertStandardSelection(w, ctx->text.time, selection, |
968 | target, type, (XPointer *)&std_targets, |
969 | &std_length, format); |
970 | |
971 | *length = 7 + (edit_mode == XawtextEdit) + std_length; |
972 | *value = XtMalloc((unsigned)sizeof(Atom)*(*length)); |
973 | targetP = *(Atom**)value; |
974 | *targetP++ = XA_STRING((Atom) 31); |
975 | *targetP++ = XA_TEXT(d)XmuInternAtom(d, _XA_TEXT); |
976 | *targetP++ = XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING); |
977 | *targetP++ = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT); |
978 | *targetP++ = XA_LENGTH(d)XmuInternAtom(d, _XA_LENGTH); |
979 | *targetP++ = XA_LIST_LENGTH(d)XmuInternAtom(d, _XA_LIST_LENGTH); |
980 | *targetP++ = XA_CHARACTER_POSITION(d)XmuInternAtom(d, _XA_CHARACTER_POSITION); |
981 | if (edit_mode == XawtextEdit) { |
982 | *targetP++ = XA_DELETE(d)XmuInternAtom(d, _XA_DELETE); |
983 | } |
984 | memcpy((char*)targetP, (char*)std_targets, sizeof(Atom)*std_length)__builtin___memcpy_chk ((char*)targetP, (char*)std_targets, sizeof (Atom)*std_length, __builtin_object_size ((char*)targetP, 0)); |
985 | XtFree((char*)std_targets); |
986 | *type = XA_ATOM((Atom) 4); |
987 | *format = 32; |
988 | return (True1); |
989 | } |
990 | |
991 | if (SrcCvtSelXawTextSourceConvertSelection(src, selection, target, type, value, length, format)) |
992 | return (True1); |
993 | |
994 | for (salt = ctx->text.salt2; salt; salt = salt->next) |
995 | if (MatchSelection (*selection, &salt->s)) |
996 | break; |
997 | if (!salt) |
998 | return (False0); |
999 | s = &salt->s; |
1000 | if (*target == XA_STRING((Atom) 31) |
1001 | || *target == XA_TEXT(d)XmuInternAtom(d, _XA_TEXT) |
1002 | || *target == XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING) |
1003 | || *target == XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT)) { |
1004 | if (*target == XA_TEXT(d)XmuInternAtom(d, _XA_TEXT)) { |
1005 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) |
1006 | *type = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT); |
1007 | else |
1008 | *type = XA_STRING((Atom) 31); |
1009 | } |
1010 | else |
1011 | *type = *target; |
1012 | |
1013 | /* |
1014 | * If salt is True, the salt->contents stores CT string, |
1015 | * its length is measured in bytes. |
1016 | * Refer to _XawTextSaltAwaySelection() |
1017 | * |
1018 | * by Li Yuhong, Mar. 20, 1991. |
1019 | */ |
1020 | if (!salt) { |
1021 | *value = (char *)_XawTextGetSTRING(ctx, s->left, s->right); |
1022 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { |
1023 | XTextProperty textprop; |
1024 | if (XwcTextListToTextProperty(d, (wchar_t**)value, 1, |
1025 | XCompoundTextStyle, &textprop) |
1026 | < Success0) { |
1027 | XtFree(*value); |
1028 | return (False0); |
1029 | } |
1030 | XtFree(*value); |
1031 | *value = (XtPointer)textprop.value; |
1032 | *length = textprop.nitems; |
1033 | } |
1034 | else |
1035 | *length = strlen(*value); |
1036 | } |
1037 | else { |
1038 | *value = XtMalloc((salt->length + 1) * sizeof(unsigned char)); |
1039 | strcpy (*value, salt->contents)__builtin___strcpy_chk (*value, salt->contents, __builtin_object_size (*value, 2 > 1 ? 1 : 0)); |
1040 | *length = salt->length; |
1041 | } |
1042 | /* Got *value,*length, now in COMPOUND_TEXT format. */ |
1043 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { |
1044 | if (*type == XA_STRING((Atom) 31)) { |
1045 | XTextProperty textprop; |
1046 | wchar_t **wlist; |
1047 | int count; |
1048 | |
1049 | textprop.encoding = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT); |
1050 | textprop.value = (unsigned char *)*value; |
1051 | textprop.nitems = strlen(*value); |
1052 | textprop.format = 8; |
1053 | if (XwcTextPropertyToTextList(d, &textprop, &wlist, &count) |
1054 | < Success0 |
1055 | || count < 1) { |
1056 | XtFree(*value); |
1057 | return (False0); |
1058 | } |
1059 | XtFree(*value); |
1060 | if (XwcTextListToTextProperty(d, wlist, 1, XStringStyle, &textprop) |
1061 | < Success0) { |
1062 | XwcFreeStringList((wchar_t**)wlist); |
1063 | return (False0); |
1064 | } |
1065 | *value = (XtPointer)textprop.value; |
1066 | *length = textprop.nitems; |
1067 | XwcFreeStringList((wchar_t**) wlist); |
1068 | } |
1069 | else if (*type == XA_UTF8_STRING(d)XmuInternAtom(d, _XA_UTF8_STRING)) { |
1070 | XTextProperty textprop; |
1071 | char **list; |
1072 | int count; |
1073 | |
1074 | textprop.encoding = XA_COMPOUND_TEXT(d)XmuInternAtom(d, _XA_COMPOUND_TEXT); |
1075 | textprop.value = (unsigned char *)*value; |
1076 | textprop.nitems = strlen(*value); |
1077 | textprop.format = 8; |
1078 | if (Xutf8TextPropertyToTextList(d, &textprop, &list, &count) |
1079 | < Success0 |
1080 | || count < 1) { |
1081 | XtFree(*value); |
1082 | return (False0); |
1083 | } |
1084 | XtFree(*value); |
1085 | *value = *list; |
1086 | *length = strlen(*list); |
1087 | XFree(list); |
1088 | } |
1089 | } |
1090 | *format = 8; |
1091 | return (True1); |
1092 | } |
1093 | |
1094 | if (*target == XA_LIST_LENGTH(d)XmuInternAtom(d, _XA_LIST_LENGTH) || *target == XA_LENGTH(d)XmuInternAtom(d, _XA_LENGTH)) { |
1095 | long *temp; |
1096 | |
1097 | temp = (long *)XtMalloc(sizeof(long)); |
1098 | if (*target == XA_LIST_LENGTH(d)XmuInternAtom(d, _XA_LIST_LENGTH)) |
1099 | *temp = 1L; |
1100 | else /* *target == XA_LENGTH(d) */ |
1101 | *temp = (long)(s->right - s->left); |
1102 | |
1103 | *value = (XPointer)temp; |
1104 | *type = XA_INTEGER((Atom) 19); |
1105 | *length = 1L; |
1106 | *format = 32; |
1107 | return (True1); |
1108 | } |
1109 | |
1110 | if (*target == XA_CHARACTER_POSITION(d)XmuInternAtom(d, _XA_CHARACTER_POSITION)) { |
1111 | long *temp; |
1112 | |
1113 | temp = (long *) XtMalloc(2 * sizeof(long)); |
1114 | temp[0] = (long)(s->left + 1); |
1115 | temp[1] = s->right; |
1116 | *value = (XPointer)temp; |
1117 | *type = XA_SPAN(d)XmuInternAtom(d, _XA_SPAN); |
1118 | *length = 2L; |
1119 | *format = 32; |
1120 | return (True1); |
1121 | } |
1122 | |
1123 | if (*target == XA_DELETE(d)XmuInternAtom(d, _XA_DELETE)) { |
1124 | if (!salt) |
1125 | _XawTextZapSelection(ctx, NULL((void*)0), True1); |
1126 | *value = NULL((void*)0); |
1127 | *type = XA_NULL(d)XmuInternAtom(d, _XA_NULL); |
1128 | *length = 0; |
1129 | *format = 32; |
1130 | return (True1); |
1131 | } |
1132 | |
1133 | if (XmuConvertStandardSelection(w, ctx->text.time, selection, target, type, |
1134 | (XPointer *)value, length, format)) |
1135 | return (True1); |
1136 | |
1137 | return (False0); |
1138 | } |
1139 | |
1140 | static void |
1141 | LoseSelection(Widget w, Atom *selection) |
1142 | { |
1143 | _LoseSelection(w, selection, NULL((void*)0), NULL((void*)0)); |
1144 | } |
1145 | |
1146 | static void |
1147 | _LoseSelection(Widget w, Atom *selection, char **contents, int *length) |
1148 | { |
1149 | TextWidget ctx = (TextWidget)w; |
1150 | Atom *atomP; |
1151 | int i; |
1152 | XawTextSelectionSalt *salt, *prevSalt, *nextSalt; |
1153 | |
1154 | prevSalt = 0; |
1155 | for (salt = ctx->text.salt2; salt; salt = nextSalt) { |
1156 | atomP = salt->s.selections; |
1157 | nextSalt = salt->next; |
1158 | for (i = 0 ; i < salt->s.atom_count; i++, atomP++) |
1159 | if (*selection == *atomP) |
1160 | *atomP = (Atom)0; |
1161 | |
1162 | while (salt->s.atom_count |
1163 | && salt->s.selections[salt->s.atom_count-1] == 0) |
1164 | salt->s.atom_count--; |
1165 | |
1166 | /* |
1167 | * Must walk the selection list in opposite order from UnsetSelection. |
1168 | */ |
1169 | atomP = salt->s.selections; |
1170 | for (i = 0 ; i < salt->s.atom_count; i++, atomP++) |
1171 | if (*atomP == (Atom)0) { |
1172 | *atomP = salt->s.selections[--salt->s.atom_count]; |
1173 | |
1174 | while (salt->s.atom_count |
1175 | && salt->s.selections[salt->s.atom_count-1] == 0) |
1176 | salt->s.atom_count--; |
1177 | } |
1178 | if (salt->s.atom_count == 0) { |
1179 | #ifndef OLDXAW |
1180 | if (contents == NULL((void*)0)) { |
1181 | XawTextKillRing *kill_ring = XtNew(XawTextKillRing)((XawTextKillRing *) XtMalloc((unsigned) sizeof(XawTextKillRing ))); |
1182 | |
1183 | kill_ring->next = xaw_text_kill_ring; |
1184 | kill_ring->contents = salt->contents; |
1185 | kill_ring->length = salt->length; |
1186 | kill_ring->format = XawFmt8Bit; |
1187 | xaw_text_kill_ring = kill_ring; |
1188 | kill_ring_prev.next = xaw_text_kill_ring; |
1189 | |
1190 | if (++num_kill_rings > MAX_KILL_RINGS1024) { |
1191 | XawTextKillRing *tail = NULL((void*)0); |
1192 | |
1193 | while (kill_ring->next) { |
1194 | tail = kill_ring; |
1195 | kill_ring = kill_ring->next; |
1196 | } |
1197 | if (kill_ring->refcount == 0) { |
1198 | --num_kill_rings; |
1199 | tail->next = NULL((void*)0); |
1200 | XtFree(kill_ring->contents); |
1201 | XtFree((char*)kill_ring); |
1202 | } |
1203 | } |
1204 | } |
1205 | else { |
1206 | *contents = salt->contents; |
1207 | *length = salt->length; |
1208 | } |
1209 | #endif |
1210 | if (prevSalt) |
1211 | prevSalt->next = nextSalt; |
1212 | else |
1213 | ctx->text.salt2 = nextSalt; |
1214 | |
1215 | XtFree((char *)salt->s.selections); |
1216 | XtFree((char *)salt); |
1217 | } |
1218 | else |
1219 | prevSalt = salt; |
1220 | } |
1221 | } |
1222 | |
1223 | static void |
1224 | _DeleteOrKill(TextWidget ctx, XawTextPosition from, XawTextPosition to, |
1225 | Boolint kill) |
1226 | { |
1227 | XawTextBlock text; |
1228 | |
1229 | #ifndef OLDXAW |
1230 | if (ctx->text.kill_ring_ptr) { |
1231 | --ctx->text.kill_ring_ptr->refcount; |
1232 | ctx->text.kill_ring_ptr = NULL((void*)0); |
1233 | } |
1234 | #endif |
1235 | if (kill && from < to) { |
1236 | #ifndef OLDXAW |
1237 | Boolint append = False0; |
1238 | char *ring = NULL((void*)0); |
1239 | XawTextPosition old_from = from; |
1240 | #endif |
1241 | char *string; |
1242 | int size = 0, length; |
1243 | XawTextSelectionSalt *salt; |
1244 | Atom selection = XInternAtom(XtDisplay(ctx)(((ctx)->core.screen)->display), "SECONDARY", False0); |
1245 | |
1246 | #ifndef OLDXAW |
1247 | if (ctx->text.kill_ring == KILL_RING_APPEND2) { |
1248 | old_from = ctx->text.salt2->s.left; |
1249 | append = True1; |
1250 | } |
1251 | else |
1252 | ctx->text.kill_ring = KILL_RING_BEGIN3; |
1253 | |
1254 | if (append) |
1255 | _LoseSelection((Widget)ctx, &selection, &ring, &size); |
1256 | else |
1257 | #endif |
1258 | LoseSelection((Widget)ctx, &selection); |
1259 | |
1260 | salt = (XawTextSelectionSalt*)XtMalloc(sizeof(XawTextSelectionSalt)); |
1261 | salt->s.selections = (Atom *)XtMalloc(sizeof(Atom)); |
1262 | salt->s.left = from; |
1263 | salt->s.right = to; |
1264 | |
1265 | string = (char *)_XawTextGetSTRING(ctx, from, to); |
1266 | |
1267 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { |
1268 | XTextProperty textprop; |
1269 | |
1270 | if (XwcTextListToTextProperty(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), |
1271 | (wchar_t**)(&string), |
1272 | 1, XCompoundTextStyle, |
1273 | &textprop) < Success0) { |
1274 | XtFree(string); |
1275 | XtFree((char*)salt->s.selections); |
1276 | XtFree((char*)salt); |
1277 | return; |
1278 | } |
1279 | XtFree(string); |
1280 | string = (char *)textprop.value; |
1281 | length = textprop.nitems; |
1282 | } |
1283 | else |
1284 | length = strlen(string); |
1285 | |
1286 | salt->length = length + size; |
1287 | |
1288 | #ifndef OLDXAW |
1289 | if (!append) |
1290 | salt->contents = string; |
1291 | else { |
1292 | salt->contents = XtMalloc(length + size + 1); |
1293 | if (from >= old_from) { |
1294 | strncpy(salt->contents, ring, size)__builtin___strncpy_chk (salt->contents, ring, size, __builtin_object_size (salt->contents, 2 > 1 ? 1 : 0)); |
1295 | salt->contents[size] = '\0'; |
1296 | strncat(salt->contents, string, length)__builtin___strncat_chk (salt->contents, string, length, __builtin_object_size (salt->contents, 2 > 1 ? 1 : 0)); |
1297 | } |
1298 | else { |
1299 | strncpy(salt->contents, string, length)__builtin___strncpy_chk (salt->contents, string, length, __builtin_object_size (salt->contents, 2 > 1 ? 1 : 0)); |
1300 | salt->contents[length] = '\0'; |
1301 | strncat(salt->contents, ring, size)__builtin___strncat_chk (salt->contents, ring, size, __builtin_object_size (salt->contents, 2 > 1 ? 1 : 0)); |
1302 | } |
1303 | salt->contents[length + size] = '\0'; |
1304 | XtFree(ring); |
1305 | XtFree(string); |
1306 | } |
1307 | |
1308 | kill_ring_prev.contents = salt->contents; |
1309 | kill_ring_prev.length = salt->length; |
1310 | kill_ring_prev.format = XawFmt8Bit; |
1311 | #else |
1312 | salt->contents = string; |
1313 | #endif |
1314 | |
1315 | salt->next = ctx->text.salt2; |
1316 | ctx->text.salt2 = salt; |
1317 | |
1318 | #ifndef OLDXAW |
1319 | if (append) |
1320 | ctx->text.kill_ring = KILL_RING_BEGIN3; |
1321 | #endif |
1322 | |
1323 | salt->s.selections[0] = selection; |
1324 | |
1325 | XtOwnSelection((Widget)ctx, selection, ctx->text.time, |
1326 | ConvertSelection, LoseSelection, NULL((void*)0)); |
1327 | salt->s.atom_count = 1; |
1328 | } |
1329 | text.length = 0; |
1330 | text.firstPos = 0; |
1331 | |
1332 | text.format = _XawTextFormat(ctx); |
1333 | text.ptr = ""; |
1334 | |
1335 | if (_XawTextReplace(ctx, from, to, &text)) { |
1336 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50); |
1337 | return; |
1338 | } |
1339 | ctx->text.from_left = -1; |
1340 | ctx->text.insertPos = from; |
1341 | ctx->text.showposition = TRUE1; |
1342 | } |
1343 | |
1344 | static void |
1345 | DeleteOrKill(TextWidget ctx, XEvent *event, XawTextScanDirection dir, |
1346 | XawTextScanType type, Boolint include, Boolint kill) |
1347 | { |
1348 | XawTextPosition from, to; |
1349 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
1350 | |
1351 | if (mult < 0) { |
1352 | mult = -mult; |
1353 | dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; |
1354 | } |
1355 | |
1356 | StartAction(ctx, event); |
1357 | #ifndef OLDXAW |
1358 | if (mult == 1) |
1359 | _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1); |
1360 | #endif |
1361 | to = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
1362 | type, dir, mult, include); |
1363 | |
1364 | /* |
1365 | * If no movement actually happened, then bump the count and try again. |
1366 | * This causes the character position at the very beginning and end of |
1367 | * a boundary to act correctly |
1368 | */ |
1369 | if (to == ctx->text.insertPos) |
1370 | to = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
1371 | type, dir, mult + 1, include); |
1372 | |
1373 | if (dir == XawsdLeft) { |
1374 | from = to; |
1375 | to = ctx->text.insertPos; |
1376 | } |
1377 | else |
1378 | from = ctx->text.insertPos; |
1379 | |
1380 | _DeleteOrKill(ctx, from, to, kill); |
1381 | EndAction(ctx); |
1382 | } |
1383 | |
1384 | static void |
1385 | Delete(Widget w, XEvent *event, String *p, Cardinal *n) |
1386 | { |
1387 | TextWidget ctx = (TextWidget)w; |
1388 | |
1389 | if (ctx->text.s.left != ctx->text.s.right) |
1390 | DeleteCurrentSelection(w, event, p, n); |
1391 | else |
1392 | DeleteBackwardChar(w, event, p, n); |
1393 | } |
1394 | |
1395 | static void |
1396 | DeleteChar(Widget w, XEvent *event, XawTextScanDirection dir) |
1397 | { |
1398 | TextWidget ctx = (TextWidget)w; |
1399 | short mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
1400 | |
1401 | if (mul < 0) { |
1402 | ctx->text.mult = mul = -mul; |
1403 | dir = dir == XawsdLeft ? XawsdRight : XawsdLeft; |
1404 | } |
1405 | DeleteOrKill(ctx, event, dir, XawstPositions, True1, False0); |
1406 | #ifndef OLDXAW |
1407 | if (mul == 1) |
1408 | _XawSourceSetUndoErase((TextSrcObject)ctx->text.source, |
1409 | dir == XawsdLeft ? -1 : 1); |
1410 | #endif |
1411 | } |
1412 | |
1413 | /*ARGSUSED*/ |
1414 | static void |
1415 | DeleteForwardChar(Widget w, XEvent *event, String *p, Cardinal *n) |
1416 | { |
1417 | DeleteChar(w, event, XawsdRight); |
1418 | } |
1419 | |
1420 | /*ARGSUSED*/ |
1421 | static void |
1422 | DeleteBackwardChar(Widget w, XEvent *event, String *p, Cardinal *n) |
1423 | { |
1424 | DeleteChar(w, event, XawsdLeft); |
1425 | } |
1426 | |
1427 | static void |
1428 | DeleteForwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1429 | { |
1430 | XawTextScanType type; |
1431 | |
1432 | if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) |
1433 | type = XawstAlphaNumeric; |
1434 | else |
1435 | type = XawstWhiteSpace; |
1436 | |
1437 | DeleteOrKill((TextWidget)w, event, XawsdRight, type, False0, False0); |
1438 | } |
1439 | |
1440 | static void |
1441 | DeleteBackwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1442 | { |
1443 | XawTextScanType type; |
1444 | |
1445 | if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) |
1446 | type = XawstAlphaNumeric; |
1447 | else |
1448 | type = XawstWhiteSpace; |
1449 | |
1450 | DeleteOrKill((TextWidget)w, event, XawsdLeft, type, False0, False0); |
1451 | } |
1452 | |
1453 | static void |
1454 | KillForwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1455 | { |
1456 | XawTextScanType type; |
1457 | |
1458 | if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) |
1459 | type = XawstAlphaNumeric; |
1460 | else |
1461 | type = XawstWhiteSpace; |
1462 | |
1463 | DeleteOrKill((TextWidget)w, event, XawsdRight, type, False0, True1); |
1464 | } |
1465 | |
1466 | static void |
1467 | KillBackwardWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1468 | { |
1469 | XawTextScanType type; |
1470 | |
1471 | if (*num_params && (*params[0] == 'A' || *params[0] == 'a')) |
1472 | type = XawstAlphaNumeric; |
1473 | else |
1474 | type = XawstWhiteSpace; |
1475 | |
1476 | DeleteOrKill((TextWidget) w, event, XawsdLeft, type, False0, True1); |
1477 | } |
1478 | |
1479 | /*ARGSUSED*/ |
1480 | static void |
1481 | KillToEndOfLine(Widget w, XEvent *event, String *p, Cardinal *n) |
1482 | { |
1483 | TextWidget ctx = (TextWidget)w; |
1484 | XawTextPosition end_of_line; |
1485 | XawTextScanDirection dir = XawsdRight; |
1486 | short mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
1487 | |
1488 | if (mult < 0) { |
1489 | dir = XawsdLeft; |
1490 | mult = -mult; |
1491 | } |
1492 | |
1493 | StartAction(ctx, event); |
1494 | end_of_line = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL, |
1495 | dir, mult, False0); |
1496 | if (end_of_line == ctx->text.insertPos) |
1497 | end_of_line = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL, |
1498 | dir, mult, True1); |
1499 | |
1500 | if (dir == XawsdRight) |
1501 | _DeleteOrKill(ctx, ctx->text.insertPos, end_of_line, True1); |
1502 | else |
1503 | _DeleteOrKill(ctx, end_of_line, ctx->text.insertPos, True1); |
1504 | EndAction(ctx); |
1505 | } |
1506 | |
1507 | /*ARGSUSED*/ |
1508 | static void |
1509 | KillToEndOfParagraph(Widget w, XEvent *event, String *p, Cardinal *n) |
1510 | { |
1511 | DeleteOrKill((TextWidget)w, event, XawsdRight, XawstParagraph, False0, True1); |
1512 | } |
1513 | |
1514 | void |
1515 | _XawTextZapSelection(TextWidget ctx, XEvent *event, Boolint kill) |
1516 | { |
1517 | StartAction(ctx, event); |
1518 | _DeleteOrKill(ctx, ctx->text.s.left, ctx->text.s.right, kill); |
1519 | EndAction(ctx); |
1520 | } |
1521 | |
1522 | /*ARGSUSED*/ |
1523 | static void |
1524 | KillCurrentSelection(Widget w, XEvent *event, String *p, Cardinal *n) |
1525 | { |
1526 | _XawTextZapSelection((TextWidget) w, event, True1); |
1527 | } |
1528 | |
1529 | #ifndef OLDXAW |
1530 | /*ARGSUSED*/ |
1531 | static void |
1532 | KillRingYank(Widget w, XEvent *event, String *params, Cardinal *num_params) |
1533 | { |
1534 | TextWidget ctx = (TextWidget)w; |
1535 | XawTextPosition insertPos = ctx->text.insertPos; |
1536 | Boolint first_yank = False0; |
1537 | |
1538 | if (ctx->text.s.left != ctx->text.s.right) |
1539 | XawTextUnsetSelection((Widget)ctx); |
1540 | |
1541 | StartAction(ctx, event); |
1542 | |
1543 | if (ctx->text.kill_ring_ptr == NULL((void*)0)) { |
1544 | ctx->text.kill_ring_ptr = &kill_ring_prev; |
1545 | ++ctx->text.kill_ring_ptr->refcount; |
1546 | ctx->text.s.left = ctx->text.s.right = insertPos; |
1547 | first_yank = True1; |
1548 | } |
1549 | if (ctx->text.kill_ring_ptr) { |
1550 | int mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
1551 | XawTextBlock text; |
1552 | |
1553 | if (!first_yank) { |
1554 | if (mul < 0) |
1555 | mul = 1; |
1556 | --ctx->text.kill_ring_ptr->refcount; |
1557 | while (mul--) { |
1558 | if ((ctx->text.kill_ring_ptr = ctx->text.kill_ring_ptr->next) == NULL((void*)0)) |
1559 | ctx->text.kill_ring_ptr = &kill_ring_null; |
1560 | } |
1561 | ++ctx->text.kill_ring_ptr->refcount; |
1562 | } |
1563 | text.firstPos = 0; |
1564 | text.length = ctx->text.kill_ring_ptr->length; |
1565 | text.ptr = ctx->text.kill_ring_ptr->contents; |
1566 | text.format = ctx->text.kill_ring_ptr->format; |
1567 | |
1568 | if (_XawTextReplace(ctx, ctx->text.s.left, insertPos, &text) == XawEditDone0) { |
1569 | ctx->text.kill_ring = KILL_RING_YANK100; |
1570 | ctx->text.insertPos = ctx->text.s.left + text.length; |
1571 | } |
1572 | } |
1573 | else |
1574 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
1575 | |
1576 | EndAction(ctx); |
1577 | } |
1578 | #endif /* OLDXAW */ |
1579 | |
1580 | /*ARGSUSED*/ |
1581 | static void |
1582 | DeleteCurrentSelection(Widget w, XEvent *event, String *p, Cardinal *n) |
1583 | { |
1584 | _XawTextZapSelection((TextWidget)w, event, False0); |
1585 | } |
1586 | |
1587 | #ifndef OLDXAW |
1588 | #define CHECK_SAVE() \ |
1589 | if (save && !save->ptr) \ |
1590 | save->ptr = _XawTextGetText(ctx, save->firstPos, \ |
1591 | save->firstPos + save->length) |
1592 | static Boolint |
1593 | StripSpaces(TextWidget ctx, XawTextPosition left, XawTextPosition right, |
1594 | XawTextPosition *pos, int num_pos, XawTextBlock *save) |
1595 | { |
1596 | Boolint done, space; |
1597 | int i, cpos, count = 0; |
1598 | XawTextBlock block, text; |
1599 | XawTextPosition ipos, position = left, tmp = left; |
1600 | |
1601 | text.firstPos = 0; |
1602 | text.format = XawFmt8Bit; |
1603 | text.ptr = " "; |
1604 | text.length = 1; |
1605 | |
1606 | position = XawTextSourceRead(ctx->text.source, position, |
1607 | &block, right - left); |
1608 | done = False0; |
1609 | space = False0; |
1610 | /* convert tabs and returns to spaces */ |
1611 | while (!done) { |
1612 | if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) { |
1613 | for (i = 0; i < block.length; i++) |
1614 | if (block.ptr[i] == '\t' || block.ptr[i] == '\n') { |
1615 | space = True1; |
1616 | break; |
1617 | } |
1618 | } |
1619 | else { |
1620 | wchar_t *wptr = (wchar_t*)block.ptr; |
1621 | for (i = 0; i < block.length; i++) |
1622 | if (wptr[i] == _Xaw_atowc('\t') || wptr[i] == _Xaw_atowc('\n')) { |
1623 | space = True1; |
1624 | break; |
1625 | } |
1626 | } |
1627 | if (space) { |
1628 | CHECK_SAVE(); |
1629 | if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text)) |
1630 | return (False0); |
1631 | space = False0; |
1632 | } |
1633 | tmp += i; |
1634 | position = XawTextSourceRead(ctx->text.source, tmp, |
1635 | &block, right - tmp); |
1636 | if (block.length == 0 || tmp == position || tmp >= right) |
1637 | done = True1; |
1638 | } |
1639 | |
1640 | text.ptr = ""; |
1641 | text.length = 0; |
1642 | position = tmp = left; |
1643 | position = XawTextSourceRead(ctx->text.source, position, |
1644 | &block, right - left); |
1645 | ipos = ctx->text.insertPos; |
1646 | done = False0; |
1647 | while (!done) { |
1648 | if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) { |
1649 | for (i = 0; i < block.length; i++) |
1650 | if (block.ptr[i] == ' ') |
1651 | ++count; |
1652 | else if (count == 1) |
1653 | count = 0; |
1654 | else if (count) |
1655 | break; |
1656 | } |
1657 | else { |
1658 | wchar_t *wptr = (wchar_t*)block.ptr; |
1659 | for (i = 0; i < block.length; i++) |
1660 | if (wptr[i] == _Xaw_atowc(' ')) |
1661 | ++count; |
1662 | else if (count == 1) |
1663 | count = 0; |
1664 | else if (count) |
1665 | break; |
1666 | } |
1667 | if (--count > 0) { |
1668 | CHECK_SAVE(); |
1669 | if (_XawTextReplace(ctx, tmp + i - count, tmp + i, &text)) |
1670 | return (False0); |
1671 | right -= count; |
1672 | if (num_pos) { |
1673 | for (cpos = 0; cpos < num_pos; cpos++) { |
1674 | if (tmp + i - count < pos[cpos]) { |
1675 | if (tmp + i < pos[cpos]) |
1676 | pos[cpos] -= count; |
1677 | else |
1678 | pos[cpos] = tmp + i - count; |
1679 | } |
1680 | } |
1681 | } |
1682 | else { |
1683 | if (tmp + i - count < ipos) { |
1684 | if (tmp + i < ipos) |
1685 | ipos -= count; |
1686 | else |
1687 | ipos = tmp + i - count; |
1688 | } |
1689 | } |
1690 | tmp += i - count; |
1691 | } |
1692 | else |
1693 | tmp += i + 1; |
1694 | count = 0; |
1695 | position = XawTextSourceRead(ctx->text.source, tmp, |
1696 | &block, right - tmp); |
1697 | if (block.length == 0 || tmp == position || tmp >= right) |
1698 | done = True1; |
1699 | } |
1700 | if (!num_pos) |
1701 | ctx->text.insertPos = ipos; |
1702 | |
1703 | return (True1); |
1704 | } |
1705 | |
1706 | static Boolint |
1707 | Tabify(TextWidget ctx, XawTextPosition left, XawTextPosition right, |
1708 | XawTextPosition *pos, int num_pos, XawTextBlock *save) |
1709 | { |
1710 | Boolint done, zero; |
1711 | int i, cpos, count = 0, column = 0, offset = 0; |
1712 | XawTextBlock text, block; |
1713 | XawTextPosition ipos, position = left, tmp = left; |
1714 | TextSinkObject sink = (TextSinkObject)ctx->text.sink; |
1715 | short *char_tabs = sink->text_sink.char_tabs; |
1716 | int tab_count = sink->text_sink.tab_count; |
1717 | int tab_index = 0, tab_column = 0, TAB_SIZE = DEFAULT_TAB_SIZE8; |
1718 | |
1719 | text.firstPos = 0; |
1720 | text.ptr = "\t"; |
1721 | text.format = XawFmt8Bit; |
1722 | text.length = 1; |
1723 | |
1724 | position = XawTextSourceRead(ctx->text.source, position, |
1725 | &block, right - left); |
1726 | ipos = ctx->text.insertPos; |
1727 | done = zero = False0; |
1728 | if (tab_count) |
1729 | TAB_SIZE = *char_tabs; |
1730 | while (!done) { |
1731 | if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) { |
1732 | for (i = 0; i < block.length; i++) { |
1733 | ++offset; |
1734 | ++column; |
1735 | if (tab_count) { |
1736 | if (column > tab_column + char_tabs[tab_index]) { |
1737 | TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs; |
1738 | if (++tab_index >= tab_count) { |
1739 | tab_column += char_tabs[tab_count - 1]; |
1740 | tab_index = 0; |
1741 | } |
1742 | } |
1743 | } |
1744 | if (block.ptr[i] == ' ') { |
1745 | if (++count > TAB_SIZE) |
1746 | count %= TAB_SIZE; |
1747 | if ((tab_count && column == tab_column + char_tabs[tab_index]) || |
1748 | (!tab_count && column % TAB_SIZE == 0)) { |
1749 | if (count % (TAB_SIZE + 1) > 1) |
1750 | break; |
1751 | else |
1752 | count = 0; |
1753 | } |
1754 | } |
1755 | else { |
1756 | if (block.ptr[i] == '\n') { |
1757 | zero = True1; |
1758 | break; |
1759 | } |
1760 | count = 0; |
1761 | } |
1762 | } |
1763 | } |
1764 | else { |
1765 | wchar_t *wptr = (wchar_t*)block.ptr; |
1766 | for (i = 0; i < block.length; i++) { |
1767 | ++offset; |
1768 | ++column; |
1769 | if (tab_count) { |
1770 | if (column > tab_column + char_tabs[tab_index]) { |
1771 | TAB_SIZE = tab_index < tab_count - 1 ? char_tabs[tab_index + 1] - char_tabs[tab_index] : *char_tabs; |
1772 | if (++tab_index >= tab_count) { |
1773 | tab_column += char_tabs[tab_count - 1]; |
1774 | tab_index = 0; |
1775 | } |
1776 | } |
1777 | } |
1778 | if (wptr[i] == _Xaw_atowc(' ')) { |
1779 | if (++count > TAB_SIZE) |
1780 | count %= TAB_SIZE; |
1781 | if ((tab_count && column == tab_column + char_tabs[tab_index]) || |
1782 | (!tab_count && column % TAB_SIZE == 0)) { |
1783 | if (count % (TAB_SIZE + 1) > 1) |
1784 | break; |
1785 | else |
1786 | count = 0; |
1787 | } |
1788 | } |
1789 | else { |
1790 | if (wptr[i] == _Xaw_atowc('\n')) { |
1791 | zero = True1; |
1792 | break; |
1793 | } |
1794 | count = 0; |
1795 | } |
1796 | } |
1797 | } |
1798 | count %= TAB_SIZE + 1; |
1799 | if (!zero && count > 1 && i < block.length) { |
1800 | CHECK_SAVE(); |
1801 | if (_XawTextReplace(ctx, tmp + i - count + 1, tmp + i + 1, &text)) |
1802 | return (False0); |
1803 | right -= count - 1; |
1804 | offset -= count - 1; |
1805 | if (num_pos) { |
1806 | for (cpos = 0; cpos < num_pos; cpos++) { |
1807 | if (tmp + i - count + 1 < pos[cpos]) { |
1808 | if (tmp + i + 1 < pos[cpos]) |
1809 | pos[cpos] -= count; |
1810 | else |
1811 | pos[cpos] = tmp + i - count + 1; |
1812 | ++pos[cpos]; |
1813 | } |
1814 | } |
1815 | } |
1816 | else { |
1817 | if (tmp + i - count + 1 < ipos) { |
1818 | if (tmp + i + 1 < ipos) |
1819 | ipos -= count; |
1820 | else |
1821 | ipos = tmp + i - count + 1; |
1822 | ++ipos; |
1823 | } |
1824 | } |
1825 | } |
1826 | if (count) |
1827 | --count; |
1828 | if (zero) { |
1829 | count = column = 0; |
1830 | zero = False0; |
1831 | if (tab_count) { |
1832 | tab_column = tab_index = 0; |
1833 | TAB_SIZE = *char_tabs; |
1834 | } |
1835 | } |
1836 | else if (i < block.length) |
1837 | count = 0; |
1838 | tmp = left + offset; |
1839 | position = XawTextSourceRead(ctx->text.source, tmp, |
1840 | &block, right - tmp); |
1841 | if (tmp == position || tmp >= right) |
1842 | done = True1; |
1843 | } |
1844 | if (!num_pos) |
1845 | ctx->text.insertPos = ipos; |
1846 | |
1847 | return (True1); |
1848 | } |
1849 | |
1850 | static Boolint |
1851 | Untabify(TextWidget ctx, XawTextPosition left, XawTextPosition right, |
1852 | XawTextPosition *pos, int num_pos, XawTextBlock *save) |
1853 | { |
1854 | Boolint done, zero; |
1855 | int i, cpos, count = 0, diff = 0; |
1856 | XawTextBlock block, text; |
1857 | XawTextPosition ipos, position = left, tmp = left; |
1858 | TextSinkObject sink = (TextSinkObject)ctx->text.sink; |
1859 | short *char_tabs = sink->text_sink.char_tabs; |
1860 | int tab_count = sink->text_sink.tab_count; |
1861 | int tab_index = 0, tab_column = 0, tab_base = 0; |
1862 | static char *tabs = " "; |
1863 | |
1864 | text.firstPos = 0; |
1865 | text.format = XawFmt8Bit; |
1866 | text.ptr = tabs; |
1867 | |
1868 | position = XawTextSourceRead(ctx->text.source, position, |
1869 | &block, right - left); |
1870 | ipos = ctx->text.insertPos; |
1871 | done = False0; |
1872 | zero = False0; |
1873 | while (!done) { |
1874 | if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) |
1875 | for (i = 0; i < block.length; i++) { |
1876 | if (block.ptr[i] != '\t') { |
1877 | ++count; |
1878 | if (block.ptr[i] == '\n') { |
1879 | zero = True1; |
1880 | break; |
1881 | } |
1882 | } |
1883 | else |
1884 | break; |
1885 | } |
1886 | else { |
1887 | wchar_t *wptr = (wchar_t*)block.ptr; |
1888 | for (i = 0; i < block.length; i++) |
1889 | if (wptr[i] != _Xaw_atowc('\t')) { |
1890 | ++count; |
1891 | if (wptr[i] != _Xaw_atowc('\n')) { |
1892 | zero = True1; |
1893 | break; |
1894 | } |
1895 | } |
1896 | else |
1897 | break; |
1898 | } |
1899 | if (!zero && i < block.length) { |
1900 | if (tab_count) { |
1901 | while (tab_base + tab_column <= count) { |
1902 | for (; tab_index < tab_count; ++tab_index) |
1903 | if (tab_base + char_tabs[tab_index] > count) { |
1904 | tab_column = char_tabs[tab_index]; |
1905 | break; |
1906 | } |
1907 | if (tab_index >= tab_count) { |
1908 | tab_base += char_tabs[tab_count - 1]; |
1909 | tab_column = tab_index = 0; |
1910 | } |
1911 | } |
1912 | text.length = (tab_base + tab_column) - count; |
1913 | if (text.length > 8) { |
1914 | int j; |
1915 | |
1916 | text.ptr = XtMalloc(text.length); |
1917 | for (j = 0; j < text.length; j++) |
1918 | text.ptr[j] = ' '; |
1919 | } |
1920 | else |
1921 | text.ptr = tabs; |
1922 | } |
1923 | else |
1924 | text.length = DEFAULT_TAB_SIZE8 - (count % DEFAULT_TAB_SIZE8); |
1925 | CHECK_SAVE(); |
1926 | if (_XawTextReplace(ctx, tmp + i, tmp + i + 1, &text)) { |
1927 | if (tab_count && text.length > 8) |
1928 | XtFree(text.ptr); |
1929 | return (False0); |
1930 | } |
1931 | if (tab_count && text.length > 8) |
1932 | XtFree(text.ptr); |
1933 | count += text.length; |
1934 | right += text.length - 1; |
1935 | if (num_pos) { |
1936 | for (cpos = 0; cpos < num_pos; cpos++) { |
1937 | if (tmp + i < pos[cpos]) { |
1938 | if (tmp + i + 1 < pos[cpos]) |
1939 | --pos[cpos]; |
1940 | else |
1941 | pos[cpos] = tmp + i; |
1942 | pos[cpos] += text.length; |
1943 | } |
1944 | } |
1945 | } |
1946 | else { |
1947 | if (tmp + i < ipos) { |
1948 | if (tmp + i + 1 < ipos) |
1949 | --ipos; |
1950 | else |
1951 | ipos = tmp + i; |
1952 | ipos += text.length; |
1953 | } |
1954 | } |
1955 | } |
1956 | tmp = left + count + diff; |
1957 | if (zero) { |
1958 | diff += count; |
1959 | count = 0; |
1960 | zero = False0; |
1961 | if (tab_count) |
1962 | tab_base = tab_column = tab_index = 0; |
1963 | } |
1964 | position = XawTextSourceRead(ctx->text.source, tmp, |
1965 | &block, right - tmp); |
1966 | if (tmp == position || tmp >= right) |
1967 | done = True1; |
1968 | } |
1969 | if (!num_pos) |
1970 | ctx->text.insertPos = ipos; |
1971 | |
1972 | return (True1); |
1973 | } |
1974 | |
1975 | static int |
1976 | FormatText(TextWidget ctx, XawTextPosition left, Boolint force, |
1977 | XawTextPosition *pos, int num_pos) |
1978 | { |
1979 | char *ptr = NULL((void*)0); |
1980 | Boolint freepos = False0, undo, paragraph = pos != NULL((void*)0); |
1981 | int i, result; |
1982 | XawTextBlock block, *text; |
1983 | XawTextPosition end = ctx->text.lastPos, buf[32]; |
1984 | TextSrcObject src = (TextSrcObject)ctx->text.source; |
1985 | XawTextPosition right = SrcScanXawTextSourceScan(ctx->text.source, left, XawstEOL, |
1986 | XawsdRight, 1, False0); |
1987 | |
1988 | undo = src->textSrc.enable_undo && src->textSrc.undo_state == False0; |
1989 | if (undo) { |
1990 | if (!pos) { |
1991 | num_pos = src->textSrc.num_text; |
1992 | pos = XawStackAlloc(sizeof(XawTextPosition) * num_pos, buf)((sizeof(XawTextPosition) * num_pos) <= sizeof(buf) ? (XtPointer )(buf) : XtMalloc((unsigned)(sizeof(XawTextPosition) * num_pos ))); |
1993 | for (i = 0; i < num_pos; i++) |
1994 | pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos; |
1995 | freepos = True1; |
1996 | } |
1997 | else |
1998 | freepos = False0; |
1999 | src->textSrc.undo_state = True1; |
2000 | block.ptr = NULL((void*)0); |
2001 | block.firstPos = left; |
2002 | block.length = right - left; |
2003 | text = █ |
2004 | } |
2005 | else |
2006 | text = NULL((void*)0); |
2007 | |
2008 | result = DoFormatText(ctx, left, force, 1, text, pos, num_pos, paragraph); |
2009 | if (undo && result == XawEditDone0 && block.ptr) { |
2010 | char *lbuf, *rbuf; |
2011 | unsigned llen, rlen, size; |
2012 | |
2013 | ptr = lbuf = block.ptr; |
2014 | llen = block.length; |
2015 | rlen = llen + (ctx->text.lastPos - end); |
2016 | |
2017 | block.firstPos = 0; |
2018 | block.format = _XawTextFormat(ctx); |
2019 | |
2020 | rbuf = _XawTextGetText(ctx, left, left + rlen); |
2021 | |
2022 | size = XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? sizeof(wchar_t) : sizeof(char); |
2023 | if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) { |
2024 | block.ptr = lbuf; |
2025 | block.length = llen; |
2026 | _XawTextReplace(ctx, left, left + rlen, &block); |
2027 | |
2028 | src->textSrc.undo_state = False0; |
2029 | block.ptr = rbuf; |
2030 | block.length = rlen; |
2031 | _XawTextReplace(ctx, left, left + llen, &block); |
2032 | } |
2033 | else |
2034 | src->textSrc.undo_state = False0; |
2035 | XtFree(rbuf); |
2036 | } |
2037 | if (undo) { |
2038 | src->textSrc.undo_state = False0; |
2039 | if (freepos) { |
2040 | for (i = 0; i < num_pos; i++) { |
2041 | TextWidget tw = (TextWidget)src->textSrc.text[i]; |
2042 | 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 )); |
2043 | } |
2044 | XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0); |
2045 | } |
2046 | if (ptr) |
2047 | XtFree(ptr); |
2048 | } |
2049 | |
2050 | return (result); |
2051 | } |
2052 | |
2053 | static int |
2054 | DoFormatText(TextWidget ctx, XawTextPosition left, Boolint force, int level, |
2055 | XawTextBlock *save, XawTextPosition *pos, int num_pos, |
2056 | Boolint paragraph) |
2057 | { |
2058 | XawTextPosition right = SrcScanXawTextSourceScan(ctx->text.source, left, XawstEOL, |
2059 | XawsdRight, 1, False0); |
2060 | XawTextPosition position, tmp, ipos; |
2061 | XawTextBlock block, text; |
2062 | char buf[128]; |
2063 | wchar_t *wptr; |
2064 | int i, count, cpos; |
2065 | Boolint done, force2 = force, recurse = False0; |
2066 | |
2067 | position = XawTextSourceRead(ctx->text.source, left, &block, right - left); |
2068 | if (block.length == 0 || left >= right || |
2069 | (level == 1 && ((XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) && |
2070 | block.ptr[0] != ' ' && |
2071 | block.ptr[0] != '\t' && |
2072 | !isalnum(*(unsigned char*)block.ptr)) || |
2073 | (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) && |
2074 | _Xaw_atowc(XawSP0x20) != *(wchar_t*)block.ptr && |
2075 | _Xaw_atowc(XawTAB0x09) != *(wchar_t*)block.ptr && |
2076 | !iswalnum(*(wchar_t*)block.ptr))))) |
2077 | return (XawEditDone0); |
2078 | |
2079 | if (level == 1 && !paragraph) { |
2080 | tmp = ctx->text.lastPos; |
2081 | if (Untabify(ctx, left, right, pos, num_pos, save) == False0) |
2082 | return (XawEditError1); |
2083 | right += ctx->text.lastPos - tmp; |
2084 | position = XawTextSourceRead(ctx->text.source, left, &block, |
2085 | right - left); |
2086 | } |
2087 | |
2088 | text.firstPos = 0; |
2089 | text.format = XawFmt8Bit; |
2090 | |
2091 | ipos = ctx->text.insertPos; |
2092 | count = 0; |
2093 | done = False0; |
2094 | while (!done) { |
2095 | if (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit))) { |
2096 | for (i = 0; i < block.length; i++) |
2097 | if (block.ptr[i] == ' ') |
2098 | ++count; |
2099 | else { |
2100 | done = True1; |
2101 | break; |
2102 | } |
2103 | } |
2104 | else { |
2105 | wptr = (wchar_t*)block.ptr; |
2106 | for (i = 0; i < block.length; i++) |
2107 | if (wptr[i] == _Xaw_atowc(' ')) |
2108 | ++count; |
2109 | else { |
2110 | done = True1; |
2111 | break; |
2112 | } |
2113 | } |
2114 | tmp = position; |
2115 | position = XawTextSourceRead(ctx->text.source, position, |
2116 | &block, right - position); |
2117 | if (tmp == position) |
2118 | done = True1; |
2119 | } |
2120 | position = left + count; |
2121 | if (count < ctx->text.left_column) { |
2122 | int bytes = ctx->text.left_column - count; |
2123 | |
2124 | text.ptr = XawStackAlloc(bytes, buf)((bytes) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(bytes))); |
2125 | text.length = bytes; |
2126 | for (i = 0; i < bytes; i++) |
2127 | text.ptr[i] = ' '; |
2128 | CHECK_SAVE(); |
2129 | if (_XawTextReplace(ctx, left, left, &text)) { |
2130 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2131 | return (XawEditError1); |
2132 | } |
2133 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2134 | right += bytes; |
2135 | if (num_pos) { |
2136 | for (cpos = 0; cpos < num_pos; cpos++) |
2137 | if (pos[cpos] >= left) |
2138 | pos[cpos] += bytes; |
2139 | } |
2140 | if (ipos >= left) |
2141 | ipos += bytes; |
2142 | count += bytes; |
2143 | } |
2144 | |
2145 | done = False0; |
2146 | if (!paragraph && level == 1 |
2147 | && ipos <= right && ipos - left > ctx->text.right_column) { |
2148 | XawTextPosition len = ctx->text.lastPos; |
2149 | int skip = ctx->text.justify == XawjustifyRight |
2150 | || ctx->text.justify == XawjustifyCenter ? |
2151 | ctx->text.left_column : count; |
2152 | |
2153 | if (pos) |
2154 | for (i = 0; i < num_pos; i++) |
2155 | if (pos[i] == ipos) |
2156 | break; |
2157 | |
2158 | StripSpaces(ctx, left + skip, right, pos, num_pos, save); |
2159 | right += ctx->text.lastPos - len; |
2160 | if (pos && i < num_pos) |
2161 | ipos = pos[i]; |
2162 | else |
2163 | ipos = ctx->text.insertPos; |
2164 | done = ipos - left > ctx->text.right_column; |
2165 | count = skip + (count == skip + 1); |
2166 | } |
2167 | if ((paragraph || done) && right - left > ctx->text.right_column) { |
2168 | position = tmp = right; |
2169 | XawTextSourceRead(ctx->text.source, position - 1, &block, 1); |
2170 | if (block.length && |
2171 | ((XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) && |
2172 | block.ptr[0] == ' ') || |
2173 | (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) && |
2174 | _Xaw_atowc(XawSP0x20) == *(wchar_t*)block.ptr))) |
2175 | --position; |
2176 | while (position - left > ctx->text.right_column) { |
2177 | tmp = position; |
2178 | position = SrcScanXawTextSourceScan(ctx->text.source, position, |
2179 | XawstWhiteSpace, XawsdLeft, 1, True1); |
2180 | } |
2181 | if (position <= left + ctx->text.left_column) |
2182 | position = tmp; |
2183 | if (position > left && position - left > ctx->text.left_column |
2184 | && position != right) { |
2185 | text.ptr = "\n"; |
2186 | text.length = 1; |
2187 | CHECK_SAVE(); |
2188 | if (_XawTextReplace(ctx, position, position + 1, &text)) |
2189 | return (XawEditError1); |
2190 | right = position; |
2191 | recurse = True1; |
2192 | force = True1; |
2193 | } |
2194 | } |
2195 | |
2196 | if (force) { |
2197 | if (ctx->text.justify == XawjustifyCenter) |
2198 | count = ctx->text.right_column - (count - ctx->text.left_column); |
2199 | else |
2200 | count = ctx->text.right_column; |
2201 | if (count > right - left) |
2202 | count -= right - left; |
2203 | else |
2204 | count = 0; |
2205 | } |
2206 | else |
2207 | count = 0; |
2208 | if (count > 0) { |
2209 | switch (ctx->text.justify) { |
2210 | case XawjustifyLeft: |
2211 | break; |
2212 | case XawjustifyRight: |
2213 | case XawjustifyCenter: |
2214 | if (ctx->text.justify == XawjustifyCenter) { |
2215 | int alnum = 0; |
2216 | |
2217 | if (!(count & 1)) { |
2218 | XawTextSourceRead(ctx->text.source, right, &block, 1); |
2219 | if ((XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) |
2220 | && isalnum(*(unsigned char*)block.ptr)) || |
2221 | (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) |
2222 | && iswalnum(*(wchar_t*)block.ptr))) |
2223 | alnum = 1; |
2224 | } |
2225 | count = (count + alnum) >> 1; |
2226 | } |
2227 | text.ptr = XawStackAlloc(count, buf)((count) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(count))); |
2228 | text.length = count; |
2229 | for (i = 0; i < count; i++) |
2230 | text.ptr[i] = ' '; |
2231 | CHECK_SAVE(); |
2232 | if (_XawTextReplace(ctx, left, left, &text)) { |
2233 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2234 | return (XawEditError1); |
2235 | } |
2236 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2237 | position += count; |
2238 | right += count; |
Value stored to 'right' is never read | |
2239 | if (num_pos) { |
2240 | for (cpos = 0; cpos < num_pos; cpos++) |
2241 | if (pos[cpos] > left) |
2242 | pos[cpos] += count; |
2243 | } |
2244 | else if (ipos > left) |
2245 | ipos += count; |
2246 | break; |
2247 | case XawjustifyFull: |
2248 | i = 0; |
2249 | tmp = left; |
2250 | /*CONSTCOND*/ |
2251 | while (True1) { |
2252 | tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstWhiteSpace, |
2253 | XawsdRight, 1, True1); |
2254 | if (tmp < right) |
2255 | ++i; |
2256 | else |
2257 | break; |
2258 | } |
2259 | if (i) { |
2260 | double inc, ii; |
2261 | int bytes, steps; |
2262 | |
2263 | bytes = count; |
2264 | inc = ii = (count + .5) / (double)i; |
2265 | |
2266 | steps = count; |
2267 | text.ptr = XawStackAlloc(steps, buf)((steps) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(steps))); |
2268 | for (i = 0; i < steps; i++) |
2269 | text.ptr[i] = ' '; |
2270 | tmp = left; |
2271 | CHECK_SAVE(); |
2272 | while (bytes) { |
2273 | steps = 1; |
2274 | while (inc + ii < 1) { |
2275 | ++steps; |
2276 | inc += ii; |
2277 | } |
2278 | tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstWhiteSpace, |
2279 | XawsdRight, steps, True1); |
2280 | if (bytes > inc) |
2281 | text.length = (int)inc; |
2282 | else |
2283 | text.length = bytes; |
2284 | bytes -= text.length; |
2285 | if (_XawTextReplace(ctx, tmp, tmp, &text)) { |
2286 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2287 | return (XawEditError1); |
2288 | } |
2289 | if (num_pos) { |
2290 | for (cpos = 0; cpos < num_pos; cpos++) |
2291 | if (tmp <= pos[cpos]) |
2292 | pos[cpos] += text.length; |
2293 | } |
2294 | else if (tmp <= ipos) |
2295 | ipos += text.length; |
2296 | inc -= (int)inc; |
2297 | inc += ii; |
2298 | } |
2299 | position += count; |
2300 | right += count; |
2301 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2302 | } |
2303 | break; |
2304 | } |
2305 | } |
2306 | |
2307 | if (!num_pos) |
2308 | ctx->text.insertPos = XawMin(ipos, ctx->text.lastPos)((ipos) < (ctx->text.lastPos) ? (ipos) : (ctx->text. lastPos)); |
2309 | |
2310 | return (recurse ? DoFormatText(ctx, position + 1, |
2311 | ctx->text.justify != XawjustifyFull |
2312 | && (force2 || paragraph), |
2313 | ++level, save, pos, num_pos, paragraph) |
2314 | : XawEditDone0); |
2315 | } |
2316 | #undef CHECK_SAVE |
2317 | |
2318 | /*ARGSUSED*/ |
2319 | static void |
2320 | Indent(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2321 | { |
2322 | TextWidget ctx = (TextWidget)w; |
2323 | TextSrcObject src = (TextSrcObject)ctx->text.source; |
2324 | XawTextPosition from, to, tmp, end = 0, *pos, *posbuf[32]; |
2325 | char buf[32]; |
2326 | XawTextBlock text; |
2327 | int i, spaces = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
2328 | char *lbuf = NULL((void*)0), *rbuf; |
2329 | unsigned llen = 0, rlen, size; |
2330 | Boolint undo = src->textSrc.enable_undo && src->textSrc.undo_state == False0; |
2331 | Boolint format = ctx->text.auto_fill |
2332 | && ctx->text.left_column < ctx->text.right_column; |
2333 | |
2334 | text.firstPos = 0; |
2335 | text.format = XawFmt8Bit; |
2336 | text.ptr = ""; |
2337 | |
2338 | StartAction(ctx, event); |
2339 | |
2340 | 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))); |
2341 | for (i = 0; i < src->textSrc.num_text; i++) |
2342 | pos[i] = ((TextWidget)src->textSrc.text[i])->text.insertPos; |
2343 | |
2344 | if (!GetBlockBoundaries(ctx, &from, &to)) { |
2345 | EndAction(ctx); |
2346 | XawStackFree(pos, posbuf)do { if ((pos) != (XtPointer)(posbuf)) XtFree((char *)pos); } while (0); |
2347 | return; |
2348 | } |
2349 | |
2350 | if (undo) { |
2351 | llen = to - from; |
2352 | end = ctx->text.lastPos; |
2353 | lbuf = _XawTextGetText(ctx, from, to); |
2354 | src->textSrc.undo_state = True1; |
2355 | } |
2356 | |
2357 | tmp = ctx->text.lastPos; |
2358 | if (!Untabify(ctx, from, to, pos, src->textSrc.num_text, NULL((void*)0))) { |
2359 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 0); |
2360 | EndAction(ctx); |
2361 | XawStackFree(pos, posbuf)do { if ((pos) != (XtPointer)(posbuf)) XtFree((char *)pos); } while (0); |
2362 | if (undo) { |
2363 | src->textSrc.undo_state = True1; |
2364 | XtFree(lbuf); |
2365 | } |
2366 | return; |
2367 | } |
2368 | to += ctx->text.lastPos - tmp; |
2369 | |
2370 | tmp = from; |
2371 | |
2372 | if (spaces > 0) { |
2373 | text.ptr = XawStackAlloc(spaces, buf)((spaces) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned )(spaces))); |
2374 | for (i = 0; i < spaces; i++) |
2375 | text.ptr[i] = ' '; |
2376 | |
2377 | text.length = spaces; |
2378 | while (tmp < to) { |
2379 | _XawTextReplace(ctx, tmp, tmp, &text); |
2380 | |
2381 | for (i = 0; i < src->textSrc.num_text; i++) |
2382 | if (tmp < pos[i]) |
2383 | pos[i] += spaces; |
2384 | |
2385 | to += spaces; |
2386 | tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True1); |
2387 | } |
2388 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2389 | } |
2390 | else { |
2391 | int min = 32767; |
2392 | |
2393 | text.length = 0; |
2394 | tmp = from; |
2395 | |
2396 | /* find the amount of spaces to cut */ |
2397 | while (tmp < to) { |
2398 | (void)BlankLine(w, tmp, &i); |
2399 | if (i < min) |
2400 | min = i; |
2401 | tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True1); |
2402 | } |
2403 | spaces = XawMin(-spaces, min)((-spaces) < (min) ? (-spaces) : (min)); |
2404 | |
2405 | /* cut the spaces */ |
2406 | tmp = from; |
2407 | while (tmp < to) { |
2408 | _XawTextReplace(ctx, tmp, tmp + spaces, &text); |
2409 | |
2410 | for (i = 0; i < src->textSrc.num_text; i++) |
2411 | if (tmp < pos[i]) { |
2412 | if (tmp + spaces < pos[i]) |
2413 | pos[i] -= spaces; |
2414 | else |
2415 | pos[i] = tmp; |
2416 | } |
2417 | |
2418 | to -= spaces; |
2419 | tmp = SrcScanXawTextSourceScan(ctx->text.source, tmp, XawstEOL, XawsdRight, 1, True1); |
2420 | } |
2421 | } |
2422 | |
2423 | if (!format) |
2424 | Tabify(ctx, from, to, pos, src->textSrc.num_text, NULL((void*)0)); |
2425 | |
2426 | if (undo) { |
2427 | rlen = llen + (ctx->text.lastPos - end); |
2428 | rbuf = _XawTextGetText(ctx, from, from + rlen); |
2429 | |
2430 | text.format = _XawTextFormat(ctx); |
2431 | size = XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? sizeof(wchar_t) : sizeof(char); |
2432 | if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) { |
2433 | text.ptr = lbuf; |
2434 | text.length = llen; |
2435 | _XawTextReplace(ctx, from, from + rlen, &text); |
2436 | |
2437 | src->textSrc.undo_state = False0; |
2438 | text.ptr = rbuf; |
2439 | text.length = rlen; |
2440 | _XawTextReplace(ctx, from, from + llen, &text); |
2441 | } |
2442 | else |
2443 | src->textSrc.undo_state = False0; |
2444 | XtFree(lbuf); |
2445 | XtFree(rbuf); |
2446 | } |
2447 | |
2448 | for (i = 0; i < src->textSrc.num_text; i++) { |
2449 | TextWidget tw = (TextWidget)src->textSrc.text[i]; |
2450 | |
2451 | 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 )); |
2452 | } |
2453 | XawStackFree(pos, posbuf)do { if ((pos) != (XtPointer)(posbuf)) XtFree((char *)pos); } while (0); |
2454 | ctx->text.showposition = True1; |
2455 | |
2456 | EndAction(ctx); |
2457 | } |
2458 | |
2459 | /*ARGSUSED*/ |
2460 | static void |
2461 | ToggleOverwrite(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2462 | { |
2463 | TextWidget ctx = (TextWidget)w; |
2464 | |
2465 | ctx->text.overwrite = !ctx->text.overwrite; |
2466 | |
2467 | /* call information callback */ |
2468 | _XawTextSetLineAndColumnNumber(ctx, True1); |
2469 | } |
2470 | #endif /* OLDXAW */ |
2471 | |
2472 | /* |
2473 | * Insertion Routines |
2474 | */ |
2475 | static int |
2476 | InsertNewLineAndBackupInternal(TextWidget ctx) |
2477 | { |
2478 | int count, error = XawEditDone0, mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
2479 | #ifndef OLDXAW |
2480 | XawTextPosition position; |
2481 | #endif |
2482 | XawTextBlock text; |
2483 | char buf[32]; |
2484 | |
2485 | if (mult < 0) { |
2486 | ctx->text.mult = 1; |
2487 | return (XawEditError1); |
2488 | } |
2489 | |
2490 | text.format = _XawTextFormat(ctx); |
2491 | text.length = mult; |
2492 | text.firstPos = 0; |
2493 | |
2494 | if (text.format == XawFmtWide) { |
2495 | wchar_t *wptr; |
2496 | |
2497 | text.ptr = XawStackAlloc(sizeof(wchar_t) * mult, buf)((sizeof(wchar_t) * mult) <= sizeof(buf) ? (XtPointer)(buf ) : XtMalloc((unsigned)(sizeof(wchar_t) * mult))); |
2498 | wptr = (wchar_t *)text.ptr; |
2499 | for (count = 0; count < mult; count++) |
2500 | wptr[count] = _Xaw_atowc(XawLF0x0a); |
2501 | } |
2502 | else { |
2503 | text.ptr = XawStackAlloc(sizeof(char) * mult, buf)((sizeof(char) * mult) <= sizeof(buf) ? (XtPointer)(buf) : XtMalloc((unsigned)(sizeof(char) * mult))); |
2504 | for (count = 0; count < mult; count++) |
2505 | text.ptr[count] = XawLF0x0a; |
2506 | } |
2507 | |
2508 | #ifndef OLDXAW |
2509 | position = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
2510 | XawstEOL, XawsdLeft, 1, False0); |
2511 | #endif |
2512 | if (_XawTextReplace(ctx, ctx->text.insertPos, ctx->text.insertPos, &text)) { |
2513 | XBell( XtDisplay(ctx)(((ctx)->core.screen)->display), 50); |
2514 | error = XawEditError1; |
2515 | } |
2516 | else { |
2517 | ctx->text.showposition = TRUE1; |
2518 | ctx->text.insertPos += text.length; |
2519 | } |
2520 | |
2521 | XawStackFree(text.ptr, buf)do { if ((text.ptr) != (XtPointer)(buf)) XtFree((char *)text. ptr); } while (0); |
2522 | |
2523 | #ifndef OLDXAW |
2524 | if (ctx->text.auto_fill && error == XawEditDone0) |
2525 | (void)FormatText(ctx, position, ctx->text.justify != XawjustifyFull, |
2526 | NULL((void*)0), 0); |
2527 | #endif |
2528 | |
2529 | return (error); |
2530 | } |
2531 | |
2532 | /*ARGSUSED*/ |
2533 | static void |
2534 | InsertNewLineAndBackup(Widget w, XEvent *event, String *p, Cardinal *n) |
2535 | { |
2536 | TextWidget ctx = (TextWidget)w; |
2537 | XawTextPosition insertPos = ctx->text.insertPos; |
2538 | |
2539 | StartAction((TextWidget)w, event); |
2540 | (void)InsertNewLineAndBackupInternal(ctx); |
2541 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, insertPos, XawstEOL, |
2542 | XawsdRight, 1, False0); |
2543 | EndAction((TextWidget)w); |
2544 | } |
2545 | |
2546 | static int |
2547 | LocalInsertNewLine(TextWidget ctx, XEvent *event) |
2548 | { |
2549 | int error; |
2550 | |
2551 | StartAction(ctx, event); |
2552 | error = InsertNewLineAndBackupInternal(ctx); |
2553 | ctx->text.from_left = -1; |
2554 | EndAction(ctx); |
2555 | |
2556 | return (error); |
2557 | } |
2558 | |
2559 | /*ARGSUSED*/ |
2560 | static void |
2561 | InsertNewLine(Widget w, XEvent *event, String *p, Cardinal *n) |
2562 | { |
2563 | (void)LocalInsertNewLine((TextWidget)w, event); |
2564 | } |
2565 | |
2566 | /*ARGSUSED*/ |
2567 | static void |
2568 | InsertNewLineAndIndent(Widget w, XEvent *event, String *p, Cardinal *n) |
2569 | { |
2570 | XawTextBlock text; |
2571 | XawTextPosition pos1; |
2572 | int length; |
2573 | TextWidget ctx = (TextWidget)w; |
2574 | String line_to_ip; |
2575 | |
2576 | StartAction(ctx, event); |
2577 | pos1 = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
2578 | XawstEOL, XawsdLeft, 1, False0); |
2579 | |
2580 | line_to_ip = _XawTextGetText(ctx, pos1, ctx->text.insertPos); |
2581 | |
2582 | text.format = _XawTextFormat(ctx); |
2583 | text.firstPos = 0; |
2584 | |
2585 | if (text.format == XawFmtWide) { |
2586 | wchar_t *ptr; |
2587 | |
2588 | text.ptr = XtMalloc((2 + wcslen((wchar_t*)line_to_ip)) |
2589 | * sizeof(wchar_t)); |
2590 | ptr = (wchar_t*)text.ptr; |
2591 | ptr[0] = _Xaw_atowc(XawLF0x0a); |
2592 | wcscpy((wchar_t*)++ptr, (wchar_t*)line_to_ip); |
2593 | |
2594 | length = wcslen((wchar_t*)text.ptr); |
2595 | while (length && (iswspace(*ptr)(isascii(*ptr) && isspace(toascii(*ptr))) || *ptr == _Xaw_atowc(XawTAB0x09))) |
2596 | ptr++, length--; |
2597 | *ptr = (wchar_t)0; |
2598 | text.length = wcslen((wchar_t*)text.ptr); |
2599 | } |
2600 | else { |
2601 | char *ptr; |
2602 | |
2603 | length = strlen(line_to_ip); |
2604 | text.ptr = XtMalloc((2 + length) * sizeof(char)); |
2605 | ptr = text.ptr; |
2606 | ptr[0] = XawLF0x0a; |
2607 | strcpy(++ptr, line_to_ip)__builtin___strcpy_chk (++ptr, line_to_ip, __builtin_object_size (++ptr, 2 > 1 ? 1 : 0)); |
2608 | |
2609 | length++; |
2610 | while (length && (isspace(*ptr) || (*ptr == XawTAB0x09))) |
2611 | ptr++, length--; |
2612 | *ptr = '\0'; |
2613 | text.length = strlen(text.ptr); |
2614 | } |
2615 | XtFree(line_to_ip); |
2616 | |
2617 | if (_XawTextReplace(ctx,ctx->text.insertPos, ctx->text.insertPos, &text)) { |
2618 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50); |
2619 | XtFree(text.ptr); |
2620 | EndAction(ctx); |
2621 | return; |
2622 | } |
2623 | |
2624 | XtFree(text.ptr); |
2625 | ctx->text.from_left = -1; |
2626 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert, |
2627 | XawstPositions, XawsdRight, text.length, True1); |
2628 | EndAction(ctx); |
2629 | } |
2630 | |
2631 | /* |
2632 | * Selection Routines |
2633 | */ |
2634 | static void |
2635 | SelectWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2636 | { |
2637 | TextWidget ctx = (TextWidget)w; |
2638 | XawTextPosition l, r; |
2639 | |
2640 | StartAction(ctx, event); |
2641 | l = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
2642 | XawstWhiteSpace, XawsdLeft, 1, False0); |
2643 | r = SrcScanXawTextSourceScan(ctx->text.source, l, XawstWhiteSpace, XawsdRight, 1, False0); |
2644 | _XawTextSetSelection(ctx, l, r, params, *num_params); |
2645 | EndAction(ctx); |
2646 | } |
2647 | |
2648 | static void |
2649 | SelectAll(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2650 | { |
2651 | TextWidget ctx = (TextWidget)w; |
2652 | |
2653 | StartAction(ctx, event); |
2654 | _XawTextSetSelection(ctx,zeroPosition((XawTextPosition)0),ctx->text.lastPos,params,*num_params); |
2655 | EndAction(ctx); |
2656 | } |
2657 | |
2658 | static void |
2659 | ModifySelection(TextWidget ctx, XEvent *event, |
2660 | XawTextSelectionMode mode, |
2661 | XawTextSelectionAction action, |
2662 | String *params, Cardinal *num_params) |
2663 | { |
2664 | #ifndef OLDXAW |
2665 | int old_y = ctx->text.ev_y; |
2666 | #endif |
2667 | |
2668 | StartAction(ctx, event); |
2669 | NotePosition(ctx, event); |
2670 | |
2671 | #ifndef OLDXAW |
2672 | if (event->type == MotionNotify6) { |
2673 | if (ctx->text.ev_y <= ctx->text.margin.top) { |
2674 | if (old_y >= ctx->text.ev_y) |
2675 | XawTextScroll(ctx, -1, 0); |
2676 | } |
2677 | else if (ctx->text.ev_y >= XtHeight(ctx)(((RectObj)ctx)->rectangle.height) - ctx->text.margin.bottom) { |
2678 | if (old_y <= ctx->text.ev_y |
2679 | && !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)) |
2680 | XawTextScroll(ctx, 1, 0); |
2681 | } |
2682 | } |
2683 | #endif |
2684 | ctx->text.from_left = -1; |
2685 | _XawTextAlterSelection(ctx, mode, action, params, num_params); |
2686 | |
2687 | EndAction(ctx); |
2688 | } |
2689 | |
2690 | static void |
2691 | SelectStart(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2692 | { |
2693 | TextWidget ctx = (TextWidget)w; |
2694 | |
2695 | #ifndef OLDXAW |
2696 | if (!ctx->text.selection_state) { |
2697 | ctx->text.selection_state = True1; |
2698 | #endif |
2699 | ModifySelection(ctx, event, |
2700 | XawsmTextSelect, XawactionStart, params, num_params); |
2701 | #ifndef OLDXAW |
2702 | } |
2703 | #endif |
2704 | } |
2705 | |
2706 | static void |
2707 | SelectAdjust(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2708 | { |
2709 | TextWidget ctx = (TextWidget)w; |
2710 | |
2711 | #ifndef OLDXAW |
2712 | if (ctx->text.selection_state) |
2713 | #endif |
2714 | ModifySelection(ctx, event, |
2715 | XawsmTextSelect, XawactionAdjust, params, num_params); |
2716 | } |
2717 | |
2718 | static void |
2719 | SelectEnd(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2720 | { |
2721 | TextWidget ctx = (TextWidget)w; |
2722 | |
2723 | #ifndef OLDXAW |
2724 | if (ctx->text.selection_state) { |
2725 | ctx->text.selection_state = False0; |
2726 | #endif |
2727 | ModifySelection(ctx, event, |
2728 | XawsmTextSelect, XawactionEnd, params, num_params); |
2729 | #ifndef OLDXAW |
2730 | } |
2731 | #endif |
2732 | } |
2733 | |
2734 | static void |
2735 | ExtendStart(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2736 | { |
2737 | TextWidget ctx = (TextWidget)w; |
2738 | |
2739 | #ifndef OLDXAW |
2740 | if (!ctx->text.selection_state) { |
2741 | ctx->text.selection_state = True1; |
2742 | #endif |
2743 | ModifySelection(ctx, event, |
2744 | XawsmTextExtend, XawactionStart, params, num_params); |
2745 | #ifndef OLDXAW |
2746 | } |
2747 | #endif |
2748 | } |
2749 | |
2750 | static void |
2751 | ExtendAdjust(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2752 | { |
2753 | TextWidget ctx = (TextWidget)w; |
2754 | |
2755 | #ifndef OLDXAW |
2756 | if (ctx->text.selection_state) |
2757 | #endif |
2758 | ModifySelection(ctx, event, |
2759 | XawsmTextExtend, XawactionAdjust, params, num_params); |
2760 | } |
2761 | |
2762 | static void |
2763 | ExtendEnd(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2764 | { |
2765 | TextWidget ctx = (TextWidget)w; |
2766 | |
2767 | #ifndef OLDXAW |
2768 | if (ctx->text.selection_state) { |
2769 | ctx->text.selection_state = False0; |
2770 | #endif |
2771 | ModifySelection(ctx, event, |
2772 | XawsmTextExtend, XawactionEnd, params, num_params); |
2773 | #ifndef OLDXAW |
2774 | } |
2775 | #endif |
2776 | } |
2777 | |
2778 | static void |
2779 | SelectSave(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2780 | { |
2781 | int num_atoms; |
2782 | Atom *sel; |
2783 | Display *dpy = XtDisplay(w)(((w)->core.screen)->display); |
2784 | Atom selections[256]; |
2785 | |
2786 | StartAction((TextWidget)w, event); |
2787 | num_atoms = *num_params; |
2788 | if (num_atoms > 256) |
2789 | num_atoms = 256; |
2790 | for (sel=selections; --num_atoms >= 0; sel++, params++) |
2791 | *sel = XInternAtom(dpy, *params, False0); |
2792 | num_atoms = *num_params; |
2793 | _XawTextSaltAwaySelection((TextWidget)w, selections, num_atoms); |
2794 | EndAction((TextWidget)w); |
2795 | } |
2796 | |
2797 | /* |
2798 | * Misc. Routines |
2799 | */ |
2800 | /*ARGSUSED*/ |
2801 | static void |
2802 | SetKeyboardFocus(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2803 | { |
2804 | Widget shell, parent; |
2805 | |
2806 | shell = parent = w; |
2807 | while (parent) { |
2808 | if (XtIsShell(shell = parent)(((Object)(shell = parent))->object.widget_class->core_class .class_inited & 0x20)) |
2809 | break; |
2810 | parent = XtParent(parent)((parent)->core.parent); |
2811 | } |
2812 | XtSetKeyboardFocus(shell, w); |
2813 | } |
2814 | |
2815 | /*ARGSUSED*/ |
2816 | static void |
2817 | RedrawDisplay(Widget w, XEvent *event, String *p, Cardinal *n) |
2818 | { |
2819 | StartAction((TextWidget)w, event); |
2820 | _XawTextClearAndCenterDisplay((TextWidget)w); |
2821 | EndAction((TextWidget)w); |
2822 | } |
2823 | |
2824 | /* This is kind of a hack, but, only one text widget can have focus at |
2825 | * a time on one display. There is a problem in the implementation of the |
2826 | * text widget, the scrollbars can not be adressed via editres, since they |
2827 | * are not children of a subclass of composite. |
2828 | * The focus variable is required to make sure only one text window will |
2829 | * show a block cursor at one time. |
2830 | */ |
2831 | struct _focus { Display *display; Widget widget; }; |
2832 | static struct _focus *focus; |
2833 | static Cardinal num_focus; |
2834 | |
2835 | /*ARGSUSED*/ |
2836 | static void |
2837 | DestroyFocusCallback(Widget w, XtPointer user_data, XtPointer call_data) |
2838 | { |
2839 | struct _focus *f = (struct _focus*)(user_data); |
2840 | |
2841 | if (f->widget == w) |
2842 | f->widget = NULL((void*)0); |
2843 | } |
2844 | |
2845 | /*ARGSUSED*/ |
2846 | static void |
2847 | TextFocusIn(Widget w, XEvent *event, String *p, Cardinal *n) |
2848 | { |
2849 | TextWidget ctx = (TextWidget)w; |
2850 | Boolint display_caret = ctx->text.display_caret; |
2851 | int i; |
2852 | |
2853 | if (event->xfocus.detail == NotifyPointer5) |
2854 | return; |
2855 | |
2856 | if (event->xfocus.send_event) { |
2857 | Window root, child; |
2858 | int rootx, rooty, x, y; |
2859 | unsigned int mask; |
2860 | |
2861 | if (ctx->text.hasfocus) |
2862 | return; |
2863 | |
2864 | if (XQueryPointer(XtDisplay(w)(((w)->core.screen)->display), XtWindow(w)((w)->core.window), &root, &child, |
2865 | &rootx, &rooty, &x, &y, &mask)) { |
2866 | if (child) |
2867 | return; |
2868 | } |
2869 | } |
2870 | |
2871 | /* Let the input method know focus has arrived. */ |
2872 | _XawImSetFocusValues(w, NULL((void*)0), 0); |
2873 | |
2874 | if (display_caret) |
2875 | StartAction(ctx, event); |
2876 | ctx->text.hasfocus = TRUE1; |
2877 | if (display_caret) |
2878 | EndAction(ctx); |
2879 | |
2880 | for (i = 0; i < num_focus; i++) |
2881 | if (focus[i].display == XtDisplay(w)(((w)->core.screen)->display)) |
2882 | break; |
2883 | if (i >= num_focus) { |
2884 | focus = (struct _focus*) |
2885 | XtRealloc((XtPointer)focus, sizeof(struct _focus) * (num_focus + 1)); |
2886 | i = num_focus; |
2887 | focus[i].widget = NULL((void*)0); |
2888 | focus[i].display = XtDisplay(w)(((w)->core.screen)->display); |
2889 | num_focus++; |
2890 | } |
2891 | if (focus[i].widget != w) { |
2892 | Widget old = focus[i].widget; |
2893 | |
2894 | focus[i].widget = w; |
2895 | if (old != NULL((void*)0)) { |
2896 | TextFocusOut(old, event, p, n); |
2897 | /* TextFocusOut may set it to NULL */ |
2898 | focus[i].widget = w; |
2899 | } |
2900 | XtAddCallback(w, XtNdestroyCallback((char*)&XtStrings[169]), |
2901 | DestroyFocusCallback, (XtPointer)&focus[i]); |
2902 | } |
2903 | } |
2904 | |
2905 | /*ARGSUSED*/ |
2906 | static void |
2907 | TextFocusOut(Widget w, XEvent *event, String *p, Cardinal *n) |
2908 | { |
2909 | TextWidget ctx = (TextWidget)w; |
2910 | Boolint display_caret = ctx->text.display_caret; |
2911 | Widget shell; |
2912 | Window window; |
2913 | int i, revert; |
2914 | |
2915 | shell = w; |
2916 | while (shell) { |
2917 | if (XtIsShell(shell)(((Object)(shell))->object.widget_class->core_class.class_inited & 0x20)) |
2918 | break; |
2919 | shell = XtParent(shell)((shell)->core.parent); |
2920 | } |
2921 | |
2922 | for (i = 0; i < num_focus; i++) |
2923 | if (focus[i].display == XtDisplay(w)(((w)->core.screen)->display)) |
2924 | break; |
2925 | XGetInputFocus(XtDisplay(w)(((w)->core.screen)->display), &window, &revert); |
2926 | if ((XtWindow(shell)((shell)->core.window) == window && |
2927 | (i < num_focus && focus[i].widget == w)) |
2928 | || event->xfocus.detail == NotifyPointer5) |
2929 | return; |
2930 | |
2931 | if (i < num_focus && focus[i].widget) { |
2932 | XtRemoveCallback(focus[i].widget, XtNdestroyCallback((char*)&XtStrings[169]), |
2933 | DestroyFocusCallback, (XtPointer)&focus[i]); |
2934 | focus[i].widget = NULL((void*)0); |
2935 | } |
2936 | |
2937 | /* Let the input method know focus has left.*/ |
2938 | _XawImUnsetFocus(w); |
2939 | |
2940 | if (display_caret) |
2941 | StartAction(ctx, event); |
2942 | ctx->text.hasfocus = FALSE0; |
2943 | if (display_caret) |
2944 | EndAction(ctx); |
2945 | } |
2946 | |
2947 | /*ARGSUSED*/ |
2948 | static void |
2949 | TextEnterWindow(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2950 | { |
2951 | TextWidget ctx = (TextWidget)w; |
2952 | |
2953 | if ((event->xcrossing.detail != NotifyInferior2) && event->xcrossing.focus |
2954 | && !ctx->text.hasfocus) |
2955 | _XawImSetFocusValues(w, NULL((void*)0), 0); |
2956 | } |
2957 | |
2958 | /*ARGSUSED*/ |
2959 | static void |
2960 | TextLeaveWindow(Widget w, XEvent *event, String *params, Cardinal *num_params) |
2961 | { |
2962 | TextWidget ctx = (TextWidget)w; |
2963 | |
2964 | if ((event->xcrossing.detail != NotifyInferior2) && event->xcrossing.focus |
2965 | && !ctx->text.hasfocus) |
2966 | _XawImUnsetFocus(w); |
2967 | } |
2968 | |
2969 | /* |
2970 | * Function: |
2971 | * AutoFill |
2972 | * Arguments: ctx - The text widget. |
2973 | * |
2974 | * Description: |
2975 | * Breaks the line at the previous word boundry when |
2976 | * called inside InsertChar. |
2977 | */ |
2978 | static void |
2979 | AutoFill(TextWidget ctx) |
2980 | { |
2981 | int width, height, x, line_num, max_width; |
2982 | XawTextPosition ret_pos; |
2983 | XawTextBlock text; |
2984 | XRectangle cursor; |
2985 | wchar_t wc_buf[2]; |
2986 | |
2987 | for (line_num = 0; line_num < ctx->text.lt.lines ; line_num++) |
2988 | if (ctx->text.lt.info[line_num].position >= ctx->text.insertPos) |
2989 | break; |
2990 | if (line_num) |
2991 | line_num--; /* backup a line. */ |
2992 | |
2993 | XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); |
2994 | 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)); |
2995 | |
2996 | x = ctx->text.r_margin.left; |
2997 | XawTextSinkFindPosition(ctx->text.sink, ctx->text.lt.info[line_num].position, |
2998 | x, max_width, True1, &ret_pos, |
2999 | &width, &height); |
3000 | |
3001 | if (ret_pos <= ctx->text.lt.info[line_num].position |
3002 | || ret_pos >= ctx->text.insertPos || ret_pos < 1) |
3003 | return; |
3004 | |
3005 | XawTextSourceRead(ctx->text.source, ret_pos - 1, &text, 1); |
3006 | |
3007 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { |
3008 | wc_buf[0] = *(wchar_t *)text.ptr; |
3009 | if (wc_buf[0] != _Xaw_atowc(XawSP0x20) && wc_buf[0] != _Xaw_atowc(XawTAB0x09)) |
3010 | /* Only eats white spaces */ |
3011 | return; |
3012 | |
3013 | text.format = XawFmtWide; |
3014 | text.ptr = (char *)wc_buf; |
3015 | wc_buf[0] = _Xaw_atowc(XawLF0x0a); |
3016 | wc_buf[1] = 0; |
3017 | } |
3018 | else { |
3019 | if (text.ptr[0] != XawSP0x20 && text.ptr[0] != XawTAB0x09) |
3020 | /* Only eats white spaces */ |
3021 | return; |
3022 | |
3023 | text.format = XawFmt8Bit; |
3024 | text.ptr = "\n"; |
3025 | } |
3026 | text.length = 1; |
3027 | text.firstPos = 0; |
3028 | |
3029 | if (_XawTextReplace(ctx, ret_pos - 1, ret_pos, &text)) |
3030 | XBell(XtDisplay((Widget)ctx)((((Widget)ctx)->core.screen)->display), 0); |
3031 | |
3032 | if (++ctx->text.insertPos > ctx->text.lastPos) |
3033 | ctx->text.insertPos = ctx->text.lastPos; |
3034 | } |
3035 | |
3036 | /*ARGSUSED*/ |
3037 | static void |
3038 | InsertChar(Widget w, XEvent *event, String *p, Cardinal *n) |
3039 | { |
3040 | TextWidget ctx = (TextWidget)w; |
3041 | char *ptr, strbuf[128], ptrbuf[512]; |
3042 | int count, error, mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
3043 | KeySym keysym; |
3044 | XawTextBlock text; |
3045 | #ifndef OLDXAW |
3046 | Boolint format = False0; |
3047 | #endif |
3048 | XawTextPosition from, to; |
3049 | |
3050 | if (XtIsSubclass (ctx->text.source, (WidgetClass) multiSrcObjectClass)) |
3051 | text.length = _XawImWcLookupString(w, &event->xkey, (wchar_t*)strbuf, |
3052 | sizeof(strbuf), &keysym); |
3053 | else |
3054 | text.length = _XawLookupString(w, (XKeyEvent*)event, strbuf, |
3055 | sizeof(strbuf), &keysym); |
3056 | |
3057 | if (text.length == 0) |
3058 | return; |
3059 | |
3060 | if (mult < 0) { |
3061 | ctx->text.mult = 1; |
3062 | return; |
3063 | } |
3064 | |
3065 | text.format = _XawTextFormat(ctx); |
3066 | if (text.format == XawFmtWide) { |
3067 | 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))) |
3068 | * mult, ptrbuf)((sizeof(wchar_t) * text.length * mult) <= sizeof(ptrbuf) ? (XtPointer)(ptrbuf) : XtMalloc((unsigned)(sizeof(wchar_t) * text .length * mult))); |
3069 | for (count = 0; count < mult; count++) { |
3070 | memcpy((char*)ptr, (char *)strbuf, sizeof(wchar_t) * text.length)__builtin___memcpy_chk ((char*)ptr, (char *)strbuf, sizeof(wchar_t ) * text.length, __builtin_object_size ((char*)ptr, 0)); |
3071 | ptr += sizeof(wchar_t) * text.length; |
3072 | } |
3073 | #ifndef OLDXAW |
3074 | if (mult == 1) |
3075 | format = ctx->text.left_column < ctx->text.right_column; |
3076 | #endif |
3077 | } |
3078 | else { /* == XawFmt8Bit */ |
3079 | text.ptr = ptr = XawStackAlloc(text.length * mult, ptrbuf)((text.length * mult) <= sizeof(ptrbuf) ? (XtPointer)(ptrbuf ) : XtMalloc((unsigned)(text.length * mult))); |
3080 | for (count = 0; count < mult; count++) { |
3081 | strncpy(ptr, strbuf, text.length)__builtin___strncpy_chk (ptr, strbuf, text.length, __builtin_object_size (ptr, 2 > 1 ? 1 : 0)); |
3082 | ptr += text.length; |
3083 | } |
3084 | #ifndef OLDXAW |
3085 | if (mult == 1) |
3086 | format = ctx->text.left_column < ctx->text.right_column; |
3087 | #endif |
3088 | } |
3089 | |
3090 | text.length = text.length * mult; |
3091 | text.firstPos = 0; |
3092 | |
3093 | StartAction(ctx, event); |
3094 | #ifndef OLDXAW |
3095 | if (mult == 1) |
3096 | _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1); |
3097 | #endif |
3098 | |
3099 | from = ctx->text.insertPos; |
3100 | #ifndef OLDXAW |
3101 | if (ctx->text.overwrite) { |
3102 | XawTextPosition tmp; |
3103 | |
3104 | to = from + mult; |
3105 | tmp = SrcScanXawTextSourceScan(ctx->text.source, from, XawstEOL, XawsdRight, 1, False0); |
3106 | if (to > tmp) |
3107 | to = tmp; |
3108 | } |
3109 | else |
3110 | #endif |
3111 | to = from; |
3112 | |
3113 | error = _XawTextReplace(ctx, from , to, &text); |
3114 | |
3115 | if (error == XawEditDone0) { |
3116 | ctx->text.from_left = -1; |
3117 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert, |
3118 | XawstPositions, XawsdRight, |
3119 | text.length, True1); |
3120 | if (ctx->text.auto_fill) { |
3121 | #ifndef OLDXAW |
3122 | if (format) |
3123 | (void)FormatText(ctx, SrcScanXawTextSourceScan(ctx->text.source, |
3124 | ctx->text.insertPos, XawstEOL, |
3125 | XawsdLeft, 1, False0), False0, |
3126 | NULL((void*)0), 0); |
3127 | else |
3128 | #endif |
3129 | AutoFill(ctx); |
3130 | } |
3131 | } |
3132 | else |
3133 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50); |
3134 | |
3135 | XawStackFree(text.ptr, ptrbuf)do { if ((text.ptr) != (XtPointer)(ptrbuf)) XtFree((char *)text .ptr); } while (0); |
3136 | EndAction(ctx); |
3137 | |
3138 | if (error == XawEditDone0 && text.format == XawFmt8Bit && text.length == 1 |
3139 | && (text.ptr[0] == ')' || text.ptr[0] == ']' || text.ptr[0] == '}') |
3140 | && ctx->text.display_caret) { |
3141 | static struct timeval tmval = {0, 500000}; |
3142 | fd_set fds; |
3143 | Widget source = ctx->text.source; |
3144 | XawTextPosition insertPos = ctx->text.insertPos, pos, tmp, last; |
3145 | char left, right = text.ptr[0]; |
3146 | int level = 0; |
3147 | XtAppContext app_context = XtWidgetToApplicationContext(w); |
3148 | |
3149 | left = right == ')' ? '(' : right == ']' ? '[' : '{'; |
3150 | |
3151 | last = insertPos - 1; |
3152 | do { |
3153 | text.ptr[0] = left; |
3154 | pos = XawTextSourceSearch(source, last, XawsdLeft, &text); |
3155 | if (pos == XawTextSearchError(-12345L) || !IsPositionVisible(ctx, pos)(pos >= ctx->text.lt.info[0].position && pos < ctx->text.lt.info[ctx->text.lt.lines].position)) |
3156 | return; |
3157 | text.ptr[0] = right; |
3158 | tmp = pos; |
3159 | do { |
3160 | tmp = XawTextSourceSearch(source, tmp, XawsdRight, &text); |
3161 | if (tmp == XawTextSearchError(-12345L)) |
3162 | return; |
3163 | if (tmp <= last) |
3164 | ++level; |
3165 | } while (++tmp <= last); |
3166 | --level; |
3167 | last = pos; |
3168 | } while (level); |
3169 | |
3170 | StartAction(ctx, NULL((void*)0)); |
3171 | #ifndef OLDXAW |
3172 | _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1); |
3173 | #endif |
3174 | ctx->text.insertPos = pos; |
3175 | EndAction(ctx); |
3176 | |
3177 | XSync(XtDisplay(w)(((w)->core.screen)->display), False0); |
3178 | while (XtAppPending(app_context) & XtIMXEvent1) { |
3179 | XEvent ev; |
3180 | if (! XtAppPeekEvent(app_context, &ev)) |
3181 | break; |
3182 | if (ev.type == KeyPress2 || ev.type == ButtonPress4) |
3183 | break; |
3184 | XtAppProcessEvent(app_context, XtIMXEvent1); |
3185 | } |
3186 | FD_ZERO(&fds)__builtin_bzero(&fds, sizeof(*(&fds))); |
3187 | FD_SET(ConnectionNumber(XtDisplay(w)), &fds)do { int __fd = ((((_XPrivDisplay)((((w)->core.screen)-> display)))->fd)); ((&fds)->fds_bits[(unsigned long) __fd/(sizeof(__int32_t) * 8)] |= ((__int32_t)(1<<((unsigned long)__fd % (sizeof(__int32_t) * 8))))); } while(0); |
3188 | (void)select(FD_SETSIZE1024, &fds, NULL((void*)0), NULL((void*)0), &tmval); |
3189 | if (tmval.tv_usec != 500000) |
3190 | usleep(40000); |
3191 | |
3192 | StartAction(ctx, NULL((void*)0)); |
3193 | #ifndef OLDXAW |
3194 | _XawSourceSetUndoMerge((TextSrcObject)ctx->text.source, True1); |
3195 | #endif |
3196 | ctx->text.insertPos = insertPos; |
3197 | EndAction(ctx); |
3198 | } |
3199 | } |
3200 | |
3201 | /* IfHexConvertHexElseReturnParam() - called by InsertString |
3202 | * |
3203 | * i18n requires the ability to specify multiple characters in a hexa- |
3204 | * decimal string at once. Since Insert was already too long, I made |
3205 | * this a seperate routine. |
3206 | * |
3207 | * A legal hex string in MBNF: '0' 'x' ( HEX-DIGIT HEX-DIGIT )+ '\0' |
3208 | * |
3209 | * WHEN: the passed param is a legal hex string |
3210 | * RETURNS: a pointer to that converted, null terminated hex string; |
3211 | * len_return holds the character count of conversion result |
3212 | * |
3213 | * WHEN: the passed param is not a legal hex string: |
3214 | * RETURNS: the parameter passed; |
3215 | * len_return holds the char count of param. |
3216 | * |
3217 | * NOTE: In neither case will there be strings to free. */ |
3218 | static char * |
3219 | IfHexConvertHexElseReturnParam(char *param, int *len_return) |
3220 | { |
3221 | char *p; /* steps through param char by char */ |
3222 | char c; /* holds the character pointed to by p */ |
3223 | int ind; /* steps through hexval buffer char by char */ |
3224 | static char hexval[XawTextActionMaxHexChars100]; |
3225 | Boolean first_digit; |
3226 | |
3227 | /* reject if it doesn't begin with 0x and at least one more character. */ |
3228 | if ((param[0] != '0') || (param[1] != 'x') || (param[2] == '\0')) { |
3229 | *len_return = strlen(param); |
3230 | return(param); |
3231 | } |
3232 | |
3233 | /* Skip the 0x; go character by character shifting and adding. */ |
3234 | first_digit = True1; |
3235 | ind = 0; |
3236 | hexval[ind] = '\0'; |
3237 | |
3238 | for (p = param+2; (c = *p) != '\0'; p++) { |
3239 | hexval[ind] *= 16; |
3240 | if (c >= '0' && c <= '9') |
3241 | hexval[ind] += c - '0'; |
3242 | else if (c >= 'a' && c <= 'f') |
3243 | hexval[ind] += c - 'a' + 10; |
3244 | else if (c >= 'A' && c <= 'F') |
3245 | hexval[ind] += c - 'A' + 10; |
3246 | else |
3247 | break; |
3248 | |
3249 | /* If we didn't break in preceding line, it was a good hex char. */ |
3250 | if (first_digit) |
3251 | first_digit = False0; |
3252 | else { |
3253 | first_digit = True1; |
3254 | if (++ind < XawTextActionMaxHexChars100) |
3255 | hexval[ind] = '\0'; |
3256 | else { |
3257 | *len_return = strlen(param); |
3258 | return(param); |
3259 | } |
3260 | } |
3261 | } |
3262 | |
3263 | /* We quit the above loop becasue we hit a non hex. If that char is \0... */ |
3264 | if ((c == '\0') && first_digit) { |
3265 | *len_return = strlen(hexval); |
3266 | return (hexval); /* ...it was a legal hex string, so return it */ |
3267 | } |
3268 | |
3269 | /* Else, there were non-hex chars or odd digit count, so... */ |
3270 | |
3271 | *len_return = strlen(param); |
3272 | return (param); /* ...return the verbatim string. */ |
3273 | } |
3274 | |
3275 | /* InsertString() - action |
3276 | * |
3277 | * Mostly rewritten for R6 i18n. |
3278 | * |
3279 | * Each parameter, in turn, will be insert at the inputPos |
3280 | * and the inputPos advances to the insertion's end. |
3281 | * |
3282 | * The exception is that parameters composed of the two |
3283 | * characters 0x, followed only by an even number of |
3284 | * hexadecimal digits will be converted to characters */ |
3285 | /*ARGSUSED*/ |
3286 | static void |
3287 | InsertString(Widget w, XEvent *event, String *params, Cardinal *num_params) |
3288 | { |
3289 | TextWidget ctx = (TextWidget)w; |
3290 | XtAppContext app_con = XtWidgetToApplicationContext(w); |
3291 | XawTextBlock text; |
3292 | int i; |
3293 | |
3294 | text.firstPos = 0; |
3295 | text.format = _XawTextFormat(ctx); |
3296 | |
3297 | StartAction(ctx, event); |
3298 | for (i = *num_params; i; i--, params++) { /* DO FOR EACH PARAMETER */ |
3299 | text.ptr = IfHexConvertHexElseReturnParam(*params, &text.length); |
3300 | |
3301 | if (text.length == 0) |
3302 | continue; |
3303 | |
3304 | if (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide))) { /* convert to WC */ |
3305 | int temp_len; |
3306 | |
3307 | text.ptr = (char*)_XawTextMBToWC(XtDisplay(w)(((w)->core.screen)->display), text.ptr, |
3308 | &text.length); |
3309 | |
3310 | if (text.ptr == NULL((void*)0)) { /* conversion error */ |
3311 | XtAppWarningMsg(app_con, |
3312 | "insertString", "textAction", "XawError", |
3313 | "insert-string()'s parameter contents " |
3314 | "not legal in this locale.", |
3315 | NULL((void*)0), NULL((void*)0)); |
3316 | ParameterError(w, *params); |
3317 | continue; |
3318 | } |
3319 | |
3320 | /* Double check that the new input is legal: try to convert to MB. */ |
3321 | |
3322 | temp_len = text.length; /* _XawTextWCToMB's 3rd arg is in_out */ |
3323 | if (_XawTextWCToMB(XtDisplay(w)(((w)->core.screen)->display), (wchar_t*)text.ptr, &temp_len) |
3324 | == NULL((void*)0)) { |
3325 | XtAppWarningMsg( app_con, |
3326 | "insertString", "textAction", "XawError", |
3327 | "insert-string()'s parameter contents " |
3328 | "not legal in this locale.", |
3329 | NULL((void*)0), NULL((void*)0)); |
3330 | ParameterError(w, *params); |
3331 | continue; |
3332 | } |
3333 | } /* convert to WC */ |
3334 | |
3335 | if (_XawTextReplace(ctx, ctx->text.insertPos, |
3336 | ctx->text.insertPos, &text)) { |
3337 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 50); |
3338 | EndAction(ctx); |
3339 | return; |
3340 | } |
3341 | |
3342 | ctx->text.from_left = -1; |
3343 | /* Advance insertPos to the end of the string we just inserted. */ |
3344 | ctx->text.insertPos = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.old_insert, |
3345 | XawstPositions, XawsdRight, text.length, |
3346 | True1); |
3347 | |
3348 | } /* DO FOR EACH PARAMETER */ |
3349 | |
3350 | EndAction(ctx); |
3351 | } |
3352 | |
3353 | /* DisplayCaret() - action |
3354 | * |
3355 | * The parameter list should contain one boolean value. If the |
3356 | * argument is true, the cursor will be displayed. If false, not. |
3357 | * |
3358 | * The exception is that EnterNotify and LeaveNotify events may |
3359 | * have a second argument, "always". If they do not, the cursor |
3360 | * is only affected if the focus member of the event is true. */ |
3361 | static void |
3362 | DisplayCaret(Widget w, XEvent *event, String *params, Cardinal *num_params) |
3363 | { |
3364 | TextWidget ctx = (TextWidget)w; |
3365 | Boolint display_caret = True1; |
3366 | |
3367 | if ((event->type == EnterNotify7 || event->type == LeaveNotify8) |
3368 | && ((*num_params >= 2) && (strcmp(params[1], "always") == 0)) |
3369 | && (!event->xcrossing.focus)) |
3370 | return; |
3371 | |
3372 | if (*num_params > 0) { /* default arg is "True" */ |
3373 | XrmValue from, to; |
3374 | from.size = strlen(from.addr = params[0]); |
3375 | XtConvert(w, XtRString((char*)&XtStrings[1797]), &from, XtRBoolean((char*)&XtStrings[1561]), &to); |
3376 | |
3377 | if (to.addr != NULL((void*)0)) |
3378 | display_caret = *(Boolean*)to.addr; |
3379 | if (ctx->text.display_caret == display_caret) |
3380 | return; |
3381 | } |
3382 | StartAction(ctx, event); |
3383 | ctx->text.display_caret = display_caret; |
3384 | EndAction(ctx); |
3385 | } |
3386 | |
3387 | #ifndef OLDXAW |
3388 | static void |
3389 | Numeric(Widget w, XEvent *event, String *params, Cardinal *num_params) |
3390 | { |
3391 | TextWidget ctx = (TextWidget)w; |
3392 | |
3393 | if (ctx->text.numeric) { |
3394 | long mult = ctx->text.mult; |
3395 | |
3396 | if (*num_params != 1 || strlen(params[0]) != 1 |
3397 | || (!isdigit(params[0][0]) |
3398 | && (params[0][0] != '-' || mult != 0))) { |
3399 | char err_buf[256]; |
3400 | |
3401 | if (event && (event->type == KeyPress2 || event->type == KeyRelease3) |
3402 | && params[0][0] == '-') { |
3403 | InsertChar(w, event, params, num_params); |
3404 | return; |
3405 | } |
3406 | snprintf(err_buf, sizeof(err_buf),__builtin___snprintf_chk (err_buf, sizeof(err_buf), 0, __builtin_object_size (err_buf, 2 > 1 ? 1 : 0), "numeric: Invalid argument%s'%s'" , *num_params ? ", " : "", *num_params ? params[0] : "") |
3407 | "numeric: Invalid argument%s'%s'",__builtin___snprintf_chk (err_buf, sizeof(err_buf), 0, __builtin_object_size (err_buf, 2 > 1 ? 1 : 0), "numeric: Invalid argument%s'%s'" , *num_params ? ", " : "", *num_params ? params[0] : "") |
3408 | *num_params ? ", " : "",__builtin___snprintf_chk (err_buf, sizeof(err_buf), 0, __builtin_object_size (err_buf, 2 > 1 ? 1 : 0), "numeric: Invalid argument%s'%s'" , *num_params ? ", " : "", *num_params ? params[0] : "") |
3409 | *num_params ? params[0] : "")__builtin___snprintf_chk (err_buf, sizeof(err_buf), 0, __builtin_object_size (err_buf, 2 > 1 ? 1 : 0), "numeric: Invalid argument%s'%s'" , *num_params ? ", " : "", *num_params ? params[0] : ""); |
3410 | XtAppWarning(XtWidgetToApplicationContext(w), err_buf); |
3411 | ctx->text.numeric = False0; |
3412 | ctx->text.mult = 1; |
3413 | return; |
3414 | } |
3415 | if (params[0][0] == '-') { |
3416 | ctx->text.mult = 32767; |
3417 | return; |
3418 | } |
3419 | else if (mult == 32767) { |
3420 | mult = ctx->text.mult = - (params[0][0] - '0'); |
3421 | return; |
3422 | } |
3423 | else { |
3424 | mult = mult * 10 + (params[0][0] - '0') * (mult < 0 ? -1 : 1); |
3425 | ctx->text.mult = ctx->text.mult * 10 + (params[0][0] - '0') * |
3426 | (mult < 0 ? -1 : 1); |
3427 | } |
3428 | if (mult != ctx->text.mult || mult >= 32767) { /* checks for overflow */ |
3429 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
3430 | ctx->text.mult = 1; |
3431 | ctx->text.numeric = False0; |
3432 | return; |
3433 | } |
3434 | } |
3435 | else |
3436 | InsertChar(w, event, params, num_params); |
3437 | } |
3438 | |
3439 | /*ARGSUSED*/ |
3440 | static void |
3441 | KeyboardReset(Widget w, XEvent *event, String *params, Cardinal *num_params) |
3442 | { |
3443 | TextWidget ctx = (TextWidget)w; |
3444 | |
3445 | ctx->text.numeric = False0; |
3446 | ctx->text.mult = 1; |
3447 | |
3448 | (void)_XawTextSrcToggleUndo((TextSrcObject)ctx->text.source); |
3449 | |
3450 | if (ctx->text.kill_ring_ptr) { |
3451 | --ctx->text.kill_ring_ptr->refcount; |
3452 | ctx->text.kill_ring_ptr = NULL((void*)0); |
3453 | } |
3454 | ctx->text.kill_ring = 0; |
3455 | |
3456 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
3457 | } |
3458 | #endif /* OLDXAW */ |
3459 | |
3460 | /* Multiply() - action |
3461 | * |
3462 | * The parameter list may contain either a number or the string 'Reset'. |
3463 | * |
3464 | * A number will multiply the current multiplication factor by that number. |
3465 | * Many of the text widget actions will will perform n actions, where n is |
3466 | * the multiplication factor. |
3467 | * |
3468 | * The string reset will reset the mutiplication factor to 1. */ |
3469 | /*ARGSUSED*/ |
3470 | static void |
3471 | Multiply(Widget w, XEvent *event, String *params, Cardinal *num_params) |
3472 | { |
3473 | TextWidget ctx = (TextWidget)w; |
3474 | int mult; |
3475 | |
3476 | if (*num_params != 1) { |
3477 | XtAppError(XtWidgetToApplicationContext(w), |
3478 | "Xaw Text Widget: multiply() takes exactly one argument."); |
3479 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
3480 | return; |
3481 | } |
3482 | |
3483 | if ((params[0][0] == 'r') || (params[0][0] == 'R')) { |
3484 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
3485 | #ifndef OLDXAW |
3486 | ctx->text.numeric = False0; |
3487 | #endif |
3488 | ctx->text.mult = 1; |
3489 | return; |
3490 | } |
3491 | |
3492 | #ifndef OLDXAW |
3493 | if (params[0][0] == 's' || params[0][0] == 'S') { |
3494 | ctx->text.numeric = True1; |
3495 | ctx->text.mult = 0; |
3496 | return; |
3497 | } |
3498 | else |
3499 | #endif |
3500 | if ((mult = atoi(params[0])) == 0) { |
3501 | char buf[BUFSIZ1024]; |
3502 | |
3503 | snprintf(buf, sizeof(buf),__builtin___snprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "Xaw Text Widget: multiply() argument " "must be a number greater than zero, or 'Reset'.") |
3504 | "Xaw Text Widget: multiply() argument "__builtin___snprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "Xaw Text Widget: multiply() argument " "must be a number greater than zero, or 'Reset'.") |
3505 | "must be a number greater than zero, or 'Reset'.")__builtin___snprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "Xaw Text Widget: multiply() argument " "must be a number greater than zero, or 'Reset'."); |
3506 | XtAppError(XtWidgetToApplicationContext(w), buf); |
3507 | XBell(XtDisplay(w)(((w)->core.screen)->display), 50); |
3508 | return; |
3509 | } |
3510 | |
3511 | ctx->text.mult *= mult; |
3512 | } |
3513 | |
3514 | /* StripOutOldCRs() - called from FormRegion |
3515 | * |
3516 | * removes CRs in widget ctx, from from to to. |
3517 | * |
3518 | * RETURNS: the new ending location (we may add some characters), |
3519 | * or XawReplaceError if the widget can't be written to. */ |
3520 | static XawTextPosition |
3521 | StripOutOldCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to, |
3522 | XawTextPosition *pos, int num_pos) |
3523 | { |
3524 | XawTextPosition startPos, endPos, eop_begin, eop_end, temp; |
3525 | Widget src = ctx->text.source; |
3526 | XawTextBlock text; |
3527 | char *buf; |
3528 | static wchar_t wc_two_spaces[3]; |
3529 | int idx; |
3530 | |
3531 | /* Initialize our TextBlock with two spaces. */ |
3532 | text.firstPos = 0; |
3533 | text.format = _XawTextFormat(ctx); |
3534 | if (text.format == XawFmt8Bit) |
3535 | text.ptr= " "; |
3536 | else { |
3537 | wc_two_spaces[0] = _Xaw_atowc(XawSP0x20); |
3538 | wc_two_spaces[1] = _Xaw_atowc(XawSP0x20); |
3539 | wc_two_spaces[2] = 0; |
3540 | text.ptr = (char*)wc_two_spaces; |
3541 | } |
3542 | |
3543 | /* Strip out CR's. */ |
3544 | eop_begin = eop_end = startPos = endPos = from; |
3545 | |
3546 | /* CONSTCOND */ |
3547 | while (TRUE1) { |
3548 | endPos=SrcScanXawTextSourceScan(src, startPos, XawstEOL, XawsdRight, 1, False0); |
3549 | |
3550 | temp = SrcScanXawTextSourceScan(src, endPos, XawstWhiteSpace, XawsdLeft, 1, False0); |
3551 | temp = SrcScanXawTextSourceScan(src, temp, XawstWhiteSpace, XawsdRight,1, False0); |
3552 | |
3553 | if (temp > startPos) |
3554 | endPos = temp; |
3555 | |
3556 | if (endPos >= to) |
3557 | break; |
3558 | |
3559 | if (endPos >= eop_begin) { |
3560 | startPos = eop_end; |
3561 | eop_begin=SrcScanXawTextSourceScan(src, startPos, XawstParagraph, |
3562 | XawsdRight, 1,False0); |
3563 | eop_end = SrcScanXawTextSourceScan(src, startPos, XawstParagraph, |
3564 | XawsdRight, 1, True1); |
3565 | } |
3566 | else { |
3567 | XawTextPosition periodPos, next_word; |
3568 | int i, len; |
3569 | |
3570 | periodPos = SrcScanXawTextSourceScan(src, endPos, XawstPositions, |
3571 | XawsdLeft, 1, True1); |
3572 | next_word = SrcScanXawTextSourceScan(src, endPos, XawstWhiteSpace, |
3573 | XawsdRight, 1, False0); |
3574 | |
3575 | len = next_word - periodPos; |
3576 | |
3577 | text.length = 1; |
3578 | buf = _XawTextGetText(ctx, periodPos, next_word); |
3579 | if (text.format == XawFmtWide) { |
3580 | if (periodPos < endPos && ((wchar_t*)buf)[0] == _Xaw_atowc('.')) |
3581 | text.length++; |
3582 | } |
3583 | else |
3584 | if (periodPos < endPos && buf[0] == '.') |
3585 | text.length++; /* Put in two spaces. */ |
3586 | |
3587 | /* |
3588 | * Remove all extra spaces. |
3589 | */ |
3590 | for (i = 1 ; i < len; i++) |
3591 | if (text.format == XawFmtWide) { |
3592 | if (!iswspace(((wchar_t*)buf)[i])(isascii(((wchar_t*)buf)[i]) && isspace(toascii(((wchar_t *)buf)[i]))) || ((periodPos + i) >= to)) |
3593 | break; |
3594 | } |
3595 | else if (!isspace(buf[i]) || (periodPos + i) >= to) |
3596 | break; |
3597 | |
3598 | XtFree(buf); |
3599 | |
3600 | to -= (i - text.length - 1); |
3601 | startPos = SrcScanXawTextSourceScan(src, periodPos, XawstPositions, |
3602 | XawsdRight, i, True1); |
3603 | if (_XawTextReplace(ctx, endPos, startPos, &text) != XawEditDone0) |
3604 | return (XawReplaceError-1); |
3605 | |
3606 | for (idx = 0; idx < num_pos; idx++) { |
3607 | if (endPos < pos[idx]) { |
3608 | if (startPos < pos[idx]) |
3609 | pos[idx] -= startPos - endPos; |
3610 | else |
3611 | pos[idx] = endPos; |
3612 | pos[idx] += text.length; |
3613 | } |
3614 | } |
3615 | |
3616 | startPos -= i - text.length; |
3617 | } |
3618 | } |
3619 | |
3620 | return (to); |
3621 | } |
3622 | |
3623 | /* InsertNewCRs() - called from FormRegion |
3624 | * |
3625 | * inserts new CRs for FormRegion, thus for FormParagraph action */ |
3626 | static void |
3627 | InsertNewCRs(TextWidget ctx, XawTextPosition from, XawTextPosition to, |
3628 | XawTextPosition *pos, int num_pos) |
3629 | { |
3630 | XawTextPosition startPos, endPos, space, eol; |
3631 | XawTextBlock text; |
3632 | int i, width, height, len, wwidth, idx; |
3633 | char *buf; |
3634 | static wchar_t wide_CR[2]; |
3635 | |
3636 | text.firstPos = 0; |
3637 | text.length = 1; |
3638 | text.format = _XawTextFormat(ctx); |
3639 | |
3640 | if (text.format == XawFmt8Bit) |
3641 | text.ptr = "\n"; |
3642 | else { |
3643 | wide_CR[0] = _Xaw_atowc(XawLF0x0a); |
3644 | wide_CR[1] = 0; |
3645 | text.ptr = (char*)wide_CR; |
3646 | } |
3647 | |
3648 | startPos = from; |
3649 | |
3650 | wwidth = (int)XtWidth(ctx)(((RectObj)ctx)->rectangle.width) - (int)HMargins(ctx)((ctx)->text.left_margin + (ctx)->text.margin.right); |
3651 | if (ctx->text.wrap != XawtextWrapNever) { |
3652 | XRectangle cursor; |
3653 | |
3654 | XawTextSinkGetCursorBounds(ctx->text.sink, &cursor); |
3655 | wwidth -= (int)cursor.width; |
3656 | } |
3657 | wwidth = XawMax(0, wwidth)((0) > (wwidth) ? (0) : (wwidth)); |
3658 | |
3659 | /* CONSTCOND */ |
3660 | while (TRUE1) { |
3661 | XawTextSinkFindPosition(ctx->text.sink, startPos, |
3662 | (int)ctx->text.r_margin.left, wwidth, |
3663 | True1, &eol, &width, &height); |
3664 | if (eol == startPos) |
3665 | ++eol; |
3666 | if (eol >= to) |
3667 | break; |
3668 | |
3669 | eol = SrcScanXawTextSourceScan(ctx->text.source, eol, XawstPositions, |
3670 | XawsdLeft, 1, True1); |
3671 | space = SrcScanXawTextSourceScan(ctx->text.source, eol, XawstWhiteSpace, |
3672 | XawsdRight,1, True1); |
3673 | |
3674 | startPos = endPos = eol; |
3675 | if (eol == space) |
3676 | return; |
3677 | |
3678 | len = (int)(space - eol); |
3679 | buf = _XawTextGetText(ctx, eol, space); |
3680 | for (i = 0 ; i < len ; i++) |
3681 | if (text.format == XawFmtWide) { |
3682 | if (!iswspace(((wchar_t*)buf)[i])(isascii(((wchar_t*)buf)[i]) && isspace(toascii(((wchar_t *)buf)[i])))) |
3683 | break; |
3684 | } |
3685 | else if (!isspace(buf[i])) |
3686 | break; |
3687 | |
3688 | to -= (i - 1); |
3689 | endPos = SrcScanXawTextSourceScan(ctx->text.source, endPos, |
3690 | XawstPositions, XawsdRight, i, True1); |
3691 | XtFree(buf); |
3692 | |
3693 | if (_XawTextReplace(ctx, startPos, endPos, &text)) |
3694 | return; |
3695 | |
3696 | for (idx = 0; idx < num_pos; idx++) { |
3697 | if (startPos < pos[idx]) { |
3698 | if (endPos < pos[idx]) |
3699 | pos[idx] -= endPos - startPos; |
3700 | else |
3701 | pos[idx] = startPos; |
3702 | pos[idx] += text.length; |
3703 | } |
3704 | } |
3705 | |
3706 | startPos = SrcScanXawTextSourceScan(ctx->text.source, startPos, |
3707 | XawstPositions, XawsdRight, 1, True1); |
3708 | } |
3709 | } |
3710 | |
3711 | /* FormRegion() - called by FormParagraph |
3712 | * |
3713 | * oversees the work of paragraph-forming a region |
3714 | * |
3715 | * Return: |
3716 | * XawEditDone if successful, or XawReplaceError |
3717 | */ |
3718 | static int |
3719 | FormRegion(TextWidget ctx, XawTextPosition from, XawTextPosition to, |
3720 | XawTextPosition *pos, int num_pos) |
3721 | { |
3722 | #ifndef OLDXAW |
3723 | Boolint format = ctx->text.auto_fill |
3724 | && ctx->text.left_column < ctx->text.right_column; |
3725 | #endif |
3726 | |
3727 | if (from >= to) |
3728 | return (XawEditDone0); |
3729 | |
3730 | #ifndef OLDXAW |
3731 | if (format) { |
3732 | XawTextPosition len = ctx->text.lastPos; |
3733 | int inc = 0; |
3734 | |
3735 | if (ctx->text.justify == XawjustifyLeft || |
3736 | ctx->text.justify == XawjustifyFull) { |
3737 | Untabify(ctx, from, to, pos, num_pos, NULL((void*)0)); |
3738 | to += ctx->text.lastPos - len; |
3739 | len = ctx->text.insertPos; |
3740 | (void)BlankLine((Widget)ctx, from, &inc); |
3741 | if (from + inc >= to) |
3742 | return (XawEditDone0); |
3743 | } |
3744 | if (!StripSpaces(ctx, from + inc, to, pos, num_pos, NULL((void*)0))) |
3745 | return (XawReplaceError-1); |
3746 | to += ctx->text.lastPos - len; |
3747 | |
3748 | FormatText(ctx, from, ctx->text.justify != XawjustifyFull, pos, num_pos); |
3749 | } |
3750 | else { |
3751 | #endif |
3752 | if ((to = StripOutOldCRs(ctx, from, to, pos, num_pos)) == XawReplaceError-1) |
3753 | return (XawReplaceError-1); |
3754 | InsertNewCRs(ctx, from, to, pos, num_pos); |
3755 | #ifndef OLDXAW |
3756 | } |
3757 | #endif |
3758 | ctx->text.from_left = -1; |
3759 | |
3760 | return (XawEditDone0); |
3761 | } |
3762 | |
3763 | #ifndef OLDXAW |
3764 | static Boolint |
3765 | BlankLine(Widget w, XawTextPosition pos, int *blanks_return) |
3766 | { |
3767 | int i, blanks = 0; |
3768 | XawTextBlock block; |
3769 | Widget src = XawTextGetSource(w); |
3770 | XawTextPosition l = SrcScanXawTextSourceScan(src, pos, XawstEOL, XawsdLeft, 1, False0); |
3771 | XawTextPosition r = SrcScanXawTextSourceScan(src, pos, XawstEOL, XawsdRight, 1, False0); |
3772 | |
3773 | while (l < r) { |
3774 | l = XawTextSourceRead(src, l, &block, r - l); |
3775 | if (block.length == 0) { |
3776 | if (blanks_return) |
3777 | *blanks_return = blanks; |
3778 | return (True1); |
3779 | } |
3780 | if (XawTextFormat((TextWidget)w, XawFmt8Bit)((unsigned long)_XawTextFormat((TextWidget)w) == (XawFmt8Bit) )) { |
3781 | for (i = 0; i < block.length; i++, blanks++) |
3782 | if (block.ptr[i] != ' ' && |
3783 | block.ptr[i] != '\t') { |
3784 | if (blanks_return) |
3785 | *blanks_return = blanks; |
3786 | return (block.ptr[i] == '\n'); |
3787 | } |
3788 | } |
3789 | else if (XawTextFormat((TextWidget)w, XawFmtWide)((unsigned long)_XawTextFormat((TextWidget)w) == (XawFmtWide) )) { |
3790 | for (i = 0; i < block.length; i++, blanks++) |
3791 | if (_Xaw_atowc(XawSP0x20) != ((wchar_t*)block.ptr)[i] && |
3792 | _Xaw_atowc(XawTAB0x09) != ((wchar_t*)block.ptr)[i]) { |
3793 | if (blanks_return) |
3794 | *blanks_return = blanks; |
3795 | return (_Xaw_atowc(XawLF0x0a) == ((wchar_t*)block.ptr)[i]); |
3796 | } |
3797 | } |
3798 | } |
3799 | |
3800 | return (True1); |
3801 | } |
3802 | |
3803 | static Boolint |
3804 | GetBlockBoundaries(TextWidget ctx, |
3805 | XawTextPosition *from_return, XawTextPosition *to_return) |
3806 | { |
3807 | XawTextPosition from, to; |
3808 | |
3809 | if (ctx->text.auto_fill && ctx->text.left_column < ctx->text.right_column) { |
3810 | if (ctx->text.s.left != ctx->text.s.right) { |
3811 | from = SrcScanXawTextSourceScan(ctx->text.source, |
3812 | 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)), |
3813 | XawstEOL, XawsdLeft, 1, False0); |
3814 | to = SrcScanXawTextSourceScan(ctx->text.source, |
3815 | 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)), |
3816 | XawstEOL, XawsdRight, 1, False0); |
3817 | } |
3818 | else { |
3819 | XawTextBlock block; |
3820 | XawTextPosition tmp; |
3821 | Boolint first; |
3822 | |
3823 | from = to = ctx->text.insertPos; |
3824 | |
3825 | /* find from position */ |
3826 | first = True1; |
3827 | while (1) { |
3828 | tmp = from; |
3829 | from = SrcScanXawTextSourceScan(ctx->text.source, from, XawstEOL, XawsdLeft, |
3830 | 1 + !first, False0); |
3831 | XawTextSourceRead(ctx->text.source, from, &block, 1); |
3832 | if (block.length == 0 || |
3833 | (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) && |
3834 | block.ptr[0] != ' ' && |
3835 | block.ptr[0] != '\t' && |
3836 | !isalnum(*(unsigned char*)block.ptr)) || |
3837 | (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) && |
3838 | _Xaw_atowc(XawSP0x20) != *(wchar_t*)block.ptr && |
3839 | _Xaw_atowc(XawTAB0x09) != *(wchar_t*)block.ptr && |
3840 | !iswalnum(*(wchar_t*)block.ptr)) || |
3841 | BlankLine((Widget)ctx, from, NULL((void*)0))) { |
3842 | from = tmp; |
3843 | break; |
3844 | } |
3845 | if (from == tmp && !first) |
3846 | break; |
3847 | first = False0; |
3848 | } |
3849 | if (first) |
3850 | return (False0); |
3851 | |
3852 | /* find to position */ |
3853 | first = True1; |
3854 | while (1) { |
3855 | tmp = to; |
3856 | to = SrcScanXawTextSourceScan(ctx->text.source, to, XawstEOL, XawsdRight, |
3857 | 1 + !first, False0); |
3858 | XawTextSourceRead(ctx->text.source, to + (to < ctx->text.lastPos), |
3859 | &block, 1); |
3860 | if (block.length == 0 || |
3861 | (XawTextFormat(ctx, XawFmt8Bit)((unsigned long)_XawTextFormat(ctx) == (XawFmt8Bit)) && |
3862 | block.ptr[0] != ' ' && |
3863 | block.ptr[0] != '\t' && |
3864 | !isalnum(*(unsigned char*)block.ptr)) || |
3865 | (XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) && |
3866 | _Xaw_atowc(XawSP0x20) != *(wchar_t*)block.ptr && |
3867 | _Xaw_atowc(XawTAB0x09) != *(wchar_t*)block.ptr && |
3868 | !iswalnum(*(wchar_t*)block.ptr)) || |
3869 | BlankLine((Widget)ctx, to, NULL((void*)0))) |
3870 | break; |
3871 | if (to == tmp && !first) |
3872 | break; |
3873 | first = False0; |
3874 | } |
3875 | } |
3876 | } |
3877 | else { |
3878 | from = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstEOL, |
3879 | XawsdLeft, 1, False0); |
3880 | if (BlankLine((Widget)ctx, from, NULL((void*)0))) |
3881 | return (False0); |
3882 | from = SrcScanXawTextSourceScan(ctx->text.source, from, XawstParagraph, |
3883 | XawsdLeft, 1, False0); |
3884 | if (BlankLine((Widget)ctx, from, NULL((void*)0))) |
3885 | from = SrcScanXawTextSourceScan(ctx->text.source, from, XawstEOL, |
3886 | XawsdRight, 1, True1); |
3887 | to = SrcScanXawTextSourceScan(ctx->text.source, from, XawstParagraph, |
3888 | XawsdRight, 1, False0); |
3889 | } |
3890 | |
3891 | if (from < to) { |
3892 | *from_return = from; |
3893 | *to_return = to; |
3894 | return (True1); |
3895 | } |
3896 | |
3897 | return (False0); |
3898 | } |
3899 | #endif /* OLDXAW */ |
3900 | |
3901 | /* FormParagraph() - action |
3902 | * |
3903 | * removes and reinserts CRs to maximize line length without clipping */ |
3904 | /*ARGSUSED*/ |
3905 | static void |
3906 | FormParagraph(Widget w, XEvent *event, String *params, Cardinal *num_params) |
3907 | { |
3908 | TextWidget ctx = (TextWidget)w; |
3909 | XawTextPosition from, to, buf[32], *pos; |
3910 | #ifndef OLDXAW |
3911 | XawTextPosition endPos = 0; |
3912 | char *lbuf = NULL((void*)0), *rbuf; |
3913 | TextSrcObject src = (TextSrcObject)ctx->text.source; |
3914 | Cardinal i; |
3915 | Boolint undo = src->textSrc.enable_undo && src->textSrc.undo_state == False0; |
3916 | #endif |
3917 | |
3918 | StartAction(ctx, event); |
3919 | |
3920 | #ifndef OLDXAW |
3921 | 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))); |
3922 | for (i = 0; i < src->textSrc.num_text; i++) |
3923 | pos[i] = ((TextWidget)src->textSrc.text[i])->text.old_insert; |
3924 | #else |
3925 | pos = buf; |
3926 | *pos = ctx->text.old_insert; |
3927 | #endif |
3928 | |
3929 | #ifndef OLDXAW |
3930 | if (!GetBlockBoundaries(ctx, &from, &to)) { |
3931 | EndAction(ctx); |
3932 | XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0); |
3933 | return; |
3934 | } |
3935 | |
3936 | if (undo) { |
3937 | src->textSrc.undo_state = True1; |
3938 | lbuf = _XawTextGetText(ctx, from, to); |
3939 | endPos = ctx->text.lastPos; |
3940 | } |
3941 | |
3942 | if (FormRegion(ctx, from, to, pos, src->textSrc.num_text) == XawReplaceError-1) { |
3943 | XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0); |
3944 | pos = buf; |
3945 | #else |
3946 | from = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, |
3947 | XawstParagraph, XawsdLeft, 1, False0); |
3948 | to = SrcScanXawTextSourceScan(ctx->text.source, from, |
3949 | XawstParagraph, XawsdRight, 1, False0); |
3950 | |
3951 | if (FormRegion(ctx, from, to, pos, 1) == XawReplaceError-1) { |
3952 | #endif |
3953 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
3954 | #ifndef OLDXAW |
3955 | if (undo) { |
3956 | src->textSrc.undo_state = False0; |
3957 | XtFree(lbuf); |
3958 | } |
3959 | #endif |
3960 | } |
3961 | #ifndef OLDXAW |
3962 | else if (undo) { |
3963 | /* makes the form-paragraph only one undo/redo step */ |
3964 | unsigned llen, rlen, size; |
3965 | XawTextBlock block; |
3966 | |
3967 | llen = to - from; |
3968 | rlen = llen + (ctx->text.lastPos - endPos); |
3969 | |
3970 | block.firstPos = 0; |
3971 | block.format = _XawTextFormat(ctx); |
3972 | |
3973 | rbuf = _XawTextGetText(ctx, from, from + rlen); |
3974 | |
3975 | size = XawTextFormat(ctx, XawFmtWide)((unsigned long)_XawTextFormat(ctx) == (XawFmtWide)) ? sizeof(wchar_t) : sizeof(char); |
3976 | if (llen != rlen || memcmp(lbuf, rbuf, llen * size)) { |
3977 | block.ptr = lbuf; |
3978 | block.length = llen; |
3979 | _XawTextReplace(ctx, from, from + rlen, &block); |
3980 | |
3981 | src->textSrc.undo_state = False0; |
3982 | block.ptr = rbuf; |
3983 | block.length = rlen; |
3984 | _XawTextReplace(ctx, from, from + llen, &block); |
3985 | } |
3986 | else |
3987 | src->textSrc.undo_state = False0; |
3988 | XtFree(lbuf); |
3989 | XtFree(rbuf); |
3990 | } |
3991 | |
3992 | for (i = 0; i < src->textSrc.num_text; i++) { |
3993 | TextWidget tw = (TextWidget)src->textSrc.text[i]; |
3994 | |
3995 | tw->text.old_insert = tw->text.insertPos = pos[i]; |
3996 | _XawTextBuildLineTable(tw, SrcScanXawTextSourceScan((Widget)src, tw->text.lt.top, XawstEOL, |
3997 | XawsdLeft, 1, False0), False0); |
3998 | tw->text.clear_to_eol = True1; |
3999 | } |
4000 | XawStackFree(pos, buf)do { if ((pos) != (XtPointer)(buf)) XtFree((char *)pos); } while (0); |
4001 | #else |
4002 | ctx->text.old_insert = ctx->text.insertPos = *pos; |
4003 | _XawTextBuildLineTable(ctx, SrcScanXawTextSourceScan(ctx->text.source, ctx->text.lt.top, |
4004 | XawstEOL, XawsdLeft, 1, False0), False0); |
4005 | ctx->text.clear_to_eol = True1; |
4006 | #endif |
4007 | ctx->text.showposition = True1; |
4008 | |
4009 | EndAction(ctx); |
4010 | } |
4011 | |
4012 | /* TransposeCharacters() - action |
4013 | * |
4014 | * Swaps the character to the left of the mark |
4015 | * with the character to the right of the mark */ |
4016 | /*ARGSUSED*/ |
4017 | static void |
4018 | TransposeCharacters(Widget w, XEvent *event, |
4019 | String *params, Cardinal *num_params) |
4020 | { |
4021 | TextWidget ctx = (TextWidget)w; |
4022 | XawTextPosition start, end; |
4023 | XawTextBlock text; |
4024 | char *buf; |
4025 | int i, mult = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
4026 | |
4027 | if (mult < 0) { |
4028 | ctx->text.mult = 1; |
4029 | return; |
4030 | } |
4031 | |
4032 | StartAction(ctx, event); |
4033 | |
4034 | /* Get bounds. */ |
4035 | |
4036 | start = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstPositions, |
4037 | XawsdLeft, 1, True1); |
4038 | end = SrcScanXawTextSourceScan(ctx->text.source, ctx->text.insertPos, XawstPositions, |
4039 | XawsdRight, mult, True1); |
4040 | |
4041 | /* Make sure we aren't at the very beginning or end of the buffer. */ |
4042 | |
4043 | if (start == ctx->text.insertPos || end == ctx->text.insertPos) { |
4044 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); /* complain. */ |
4045 | EndAction(ctx); |
4046 | return; |
4047 | } |
4048 | |
4049 | ctx->text.from_left = -1; |
4050 | ctx->text.insertPos = end; |
4051 | |
4052 | text.firstPos = 0; |
4053 | text.format = _XawTextFormat(ctx); |
4054 | |
4055 | /* Retrieve text and swap the characters. */ |
4056 | if (text.format == XawFmtWide) { |
4057 | wchar_t wc; |
4058 | wchar_t *wbuf; |
4059 | |
4060 | wbuf = (wchar_t*)_XawTextGetText(ctx, start, end); |
4061 | text.length = wcslen(wbuf); |
4062 | wc = wbuf[0]; |
4063 | for (i = 1; i < text.length; i++) |
4064 | wbuf[i - 1] = wbuf[i]; |
4065 | wbuf[i - 1] = wc; |
4066 | buf = (char*)wbuf; /* so that it gets assigned and freed */ |
4067 | } |
4068 | else { /* thus text.format == XawFmt8Bit */ |
4069 | char c; |
4070 | |
4071 | buf = _XawTextGetText(ctx, start, end); |
4072 | text.length = strlen(buf); |
4073 | c = buf[0]; |
4074 | for (i = 1; i < text.length; i++) |
4075 | buf[i - 1] = buf[i]; |
4076 | buf[i - 1] = c; |
4077 | } |
4078 | |
4079 | text.ptr = buf; |
4080 | |
4081 | /* Store new text in source. */ |
4082 | |
4083 | if (_XawTextReplace (ctx, start, end, &text)) |
4084 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
4085 | XtFree((char *)buf); |
4086 | EndAction(ctx); |
4087 | } |
4088 | |
4089 | #ifndef OLDXAW |
4090 | /*ARGSUSED*/ |
4091 | static void |
4092 | Undo(Widget w, XEvent *event, String *params, Cardinal *num_params) |
4093 | { |
4094 | TextWidget ctx = (TextWidget)w; |
4095 | int mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
4096 | Boolint toggle = False0; |
4097 | |
4098 | if (mul < 0) { |
4099 | toggle = True1; |
4100 | _XawTextSrcToggleUndo((TextSrcObject)ctx->text.source); |
4101 | ctx->text.mult = mul = -mul; |
4102 | } |
4103 | |
4104 | StartAction(ctx, event); |
4105 | for (; mul; --mul) |
4106 | if (!_XawTextSrcUndo((TextSrcObject)ctx->text.source, &ctx->text.insertPos)) |
4107 | break; |
4108 | ctx->text.showposition = True1; |
4109 | |
4110 | if (toggle) |
4111 | _XawTextSrcToggleUndo((TextSrcObject)ctx->text.source); |
4112 | EndAction(ctx); |
4113 | } |
4114 | #endif |
4115 | |
4116 | /* NoOp() - action |
4117 | * This action performs no action, and allows the user or |
4118 | * application programmer to unbind a translation. |
4119 | * |
4120 | * Note: If the parameter list contains the string "RingBell" then |
4121 | * this action will ring the bell. |
4122 | */ |
4123 | /*ARGSUSED*/ |
4124 | static void |
4125 | NoOp(Widget w, XEvent *event, String *params, Cardinal *num_params) |
4126 | { |
4127 | if (*num_params != 1) |
4128 | return; |
4129 | |
4130 | switch(params[0][0]) { |
4131 | case 'R': |
4132 | case 'r': |
4133 | XBell(XtDisplay(w)(((w)->core.screen)->display), 0); |
4134 | /*FALLTROUGH*/ |
4135 | default: |
4136 | break; |
4137 | } |
4138 | } |
4139 | |
4140 | /* Reconnect() - action |
4141 | * This reconnects to the input method. The user will typically call |
4142 | * this action if/when connection has been severed, or when the app |
4143 | * was started up before an IM was started up |
4144 | */ |
4145 | /*ARGSUSED*/ |
4146 | static void |
4147 | Reconnect(Widget w, XEvent *event, String *params, Cardinal *num_params) |
4148 | { |
4149 | _XawImReconnect(w); |
4150 | } |
4151 | |
4152 | #define CAPITALIZE 1 |
4153 | #define DOWNCASE 2 |
4154 | #define UPCASE 3 |
4155 | |
4156 | #ifdef NO_LIBC_I18N |
4157 | static int |
4158 | ToLowertolower(int ch) |
4159 | { |
4160 | char buf[2]; |
4161 | |
4162 | *buf = ch; |
4163 | XmuNCopyISOLatin1Lowered(buf, buf, sizeof(buf)); |
4164 | |
4165 | return (*buf); |
4166 | } |
4167 | |
4168 | static int |
4169 | ToUppertoupper(int ch) |
4170 | { |
4171 | char buf[2]; |
4172 | |
4173 | *buf = ch; |
4174 | XmuNCopyISOLatin1Uppered(buf, buf, sizeof(buf)); |
4175 | |
4176 | return (*buf); |
4177 | } |
4178 | |
4179 | static int |
4180 | IsAlnumisalnum(int ch) |
4181 | { |
4182 | return ((ch >= '0' && ch <= '9') || ToUppertoupper(ch) != ch || ToLowertolower(ch) != ch); |
4183 | } |
4184 | |
4185 | static int |
4186 | IsLowerislower(int ch) |
4187 | { |
4188 | char upbuf[2]; |
4189 | char lobuf[2]; |
4190 | |
4191 | *upbuf = *lobuf = ch; |
4192 | XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf)); |
4193 | XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf)); |
4194 | |
4195 | return (*lobuf != *upbuf && ch == *lobuf); |
4196 | } |
4197 | |
4198 | static int |
4199 | IsUpperisupper(int ch) |
4200 | { |
4201 | char upbuf[2]; |
4202 | char lobuf[2]; |
4203 | |
4204 | *upbuf = *lobuf = ch; |
4205 | XmuNCopyISOLatin1Lowered(lobuf, lobuf, sizeof(lobuf)); |
4206 | XmuNCopyISOLatin1Uppered(upbuf, upbuf, sizeof(upbuf)); |
4207 | |
4208 | return (*lobuf != *upbuf && ch == *upbuf); |
4209 | } |
4210 | #else |
4211 | #define ToLowertolower tolower |
4212 | #define ToUppertoupper toupper |
4213 | #define IsAlnumisalnum isalnum |
4214 | #define IsLowerislower islower |
4215 | #define IsUpperisupper isupper |
4216 | #endif |
4217 | |
4218 | static void |
4219 | CaseProc(Widget w, XEvent *event, int cmd) |
4220 | { |
4221 | TextWidget ctx = (TextWidget)w; |
4222 | short mul = MULT(ctx)(ctx->text.mult == 0 ? 4 : ctx->text.mult == 32767 ? -4 : ctx->text.mult); |
4223 | XawTextPosition left, right; |
4224 | XawTextBlock block; |
4225 | Boolint changed = False0; |
4226 | unsigned char ch, mb[sizeof(wchar_t)]; |
4227 | int i, count; |
4228 | |
4229 | if (mul > 0) |
4230 | right = SrcScanXawTextSourceScan(ctx->text.source, left = ctx->text.insertPos, |
4231 | XawstAlphaNumeric, XawsdRight, mul, False0); |
4232 | else |
4233 | left = SrcScanXawTextSourceScan(ctx->text.source, right = ctx->text.insertPos, |
4234 | XawstAlphaNumeric, XawsdLeft, 1 + -mul, False0); |
4235 | block.firstPos = 0; |
4236 | block.format = _XawTextFormat(ctx); |
4237 | block.length = right - left; |
4238 | block.ptr = _XawTextGetText(ctx, left, right); |
4239 | |
4240 | count = 0; |
4241 | if (block.format == XawFmt8Bit) |
4242 | for (i = 0; i < block.length; i++) { |
4243 | if (!IsAlnumisalnum(*mb = (unsigned char)block.ptr[i])) |
4244 | count = 0; |
4245 | else if (++count == 1 || cmd != CAPITALIZE) { |
4246 | ch = cmd == DOWNCASE ? ToLowertolower(*mb) : ToUppertoupper(*mb); |
4247 | if (ch != *mb) { |
4248 | changed = True1; |
4249 | block.ptr[i] = ch; |
4250 | } |
4251 | } |
4252 | else if (cmd == CAPITALIZE) { |
4253 | if ((ch = ToLowertolower(*mb)) != *mb) { |
4254 | changed = True1; |
4255 | block.ptr[i] = ch; |
4256 | } |
4257 | } |
4258 | } |
4259 | else |
4260 | for (i = 0; i < block.length; i++) { |
4261 | wctomb((char*)mb, ((wchar_t*)block.ptr)[i]); |
4262 | if (!IsAlnumisalnum(*mb)) |
4263 | count = 0; |
4264 | else if (++count == 1 || cmd != CAPITALIZE) { |
4265 | ch = cmd == DOWNCASE ? ToLowertolower(*mb) : ToUppertoupper(*mb); |
4266 | if (ch != *mb) { |
4267 | changed = True1; |
4268 | ((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch); |
4269 | } |
4270 | } |
4271 | else if (cmd == CAPITALIZE) { |
4272 | if ((ch = ToLowertolower(*mb)) != *mb) { |
4273 | changed = True1; |
4274 | ((wchar_t*)block.ptr)[i] = _Xaw_atowc(ch); |
4275 | } |
4276 | } |
4277 | } |
4278 | |
4279 | StartAction(ctx, event); |
4280 | if (changed && _XawTextReplace(ctx, left, right, &block) != XawEditDone0) |
4281 | XBell(XtDisplay(ctx)(((ctx)->core.screen)->display), 0); |
4282 | ctx->text.insertPos = right; |
4283 | EndAction(ctx); |
4284 | |
4285 | XtFree(block.ptr); |
4286 | } |
4287 | |
4288 | /*ARGSUSED*/ |
4289 | static void |
4290 | CapitalizeWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
4291 | { |
4292 | CaseProc(w, event, CAPITALIZE); |
4293 | } |
4294 | |
4295 | /*ARGSUSED*/ |
4296 | static void |
4297 | DowncaseWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
4298 | { |
4299 | CaseProc(w, event, DOWNCASE); |
4300 | } |
4301 | |
4302 | /*ARGSUSED*/ |
4303 | static void |
4304 | UpcaseWord(Widget w, XEvent *event, String *params, Cardinal *num_params) |
4305 | { |
4306 | CaseProc(w, event, UPCASE); |
4307 | } |
4308 | #undef CAPITALIZE |
4309 | #undef DOWNCASE |
4310 | #undef UPCASE |
4311 | |
4312 | XtActionsRec _XawTextActionsTable[] = { |
4313 | /* motion */ |
4314 | {"forward-character", MoveForwardChar}, |
4315 | {"backward-character", MoveBackwardChar}, |
4316 | {"forward-word", MoveForwardWord}, |
4317 | {"backward-word", MoveBackwardWord}, |
4318 | {"forward-paragraph", MoveForwardParagraph}, |
4319 | {"backward-paragraph", MoveBackwardParagraph}, |
4320 | {"beginning-of-line", MoveToLineStart}, |
4321 | {"end-of-line", MoveToLineEnd}, |
4322 | {"next-line", MoveNextLine}, |
4323 | {"previous-line", MovePreviousLine}, |
4324 | {"next-page", MoveNextPage}, |
4325 | {"previous-page", MovePreviousPage}, |
4326 | {"beginning-of-file", MoveBeginningOfFile}, |
4327 | {"end-of-file", MoveEndOfFile}, |
4328 | {"scroll-one-line-up", ScrollOneLineUp}, |
4329 | {"scroll-one-line-down", ScrollOneLineDown}, |
4330 | |
4331 | /* delete */ |
4332 | {"delete-next-character", DeleteForwardChar}, |
4333 | {"delete-previous-character", DeleteBackwardChar}, |
4334 | {"delete-next-word", DeleteForwardWord}, |
4335 | {"delete-previous-word", DeleteBackwardWord}, |
4336 | {"delete-selection", DeleteCurrentSelection}, |
4337 | {"delete", Delete}, |
4338 | |
4339 | /* kill */ |
4340 | {"kill-word", KillForwardWord}, |
4341 | {"backward-kill-word", KillBackwardWord}, |
4342 | {"kill-selection", KillCurrentSelection}, |
4343 | {"kill-to-end-of-line", KillToEndOfLine}, |
4344 | {"kill-to-end-of-paragraph", KillToEndOfParagraph}, |
4345 | |
4346 | /* new line */ |
4347 | {"newline-and-indent", InsertNewLineAndIndent}, |
4348 | {"newline-and-backup", InsertNewLineAndBackup}, |
4349 | {"newline", InsertNewLine}, |
4350 | |
4351 | /* selection */ |
4352 | {"select-word", SelectWord}, |
4353 | {"select-all", SelectAll}, |
4354 | {"select-start", SelectStart}, |
4355 | {"select-adjust", SelectAdjust}, |
4356 | {"select-end", SelectEnd}, |
4357 | {"select-save", SelectSave}, |
4358 | {"extend-start", ExtendStart}, |
4359 | {"extend-adjust", ExtendAdjust}, |
4360 | {"extend-end", ExtendEnd}, |
4361 | {"insert-selection", InsertSelection}, |
4362 | |
4363 | /* miscellaneous */ |
4364 | {"redraw-display", RedrawDisplay}, |
4365 | {"insert-file", _XawTextInsertFile}, |
4366 | {"search", _XawTextSearch}, |
4367 | {"insert-char", InsertChar}, |
4368 | {"insert-string", InsertString}, |
4369 | {"focus-in", TextFocusIn}, |
4370 | {"focus-out", TextFocusOut}, |
4371 | {"enter-window", TextEnterWindow}, |
4372 | {"leave-window", TextLeaveWindow}, |
4373 | {"display-caret", DisplayCaret}, |
4374 | {"multiply", Multiply}, |
4375 | {"form-paragraph", FormParagraph}, |
4376 | {"transpose-characters", TransposeCharacters}, |
4377 | {"set-keyboard-focus", SetKeyboardFocus}, |
4378 | #ifndef OLDXAW |
4379 | {"numeric", Numeric}, |
4380 | {"undo", Undo}, |
4381 | {"keyboard-reset", KeyboardReset}, |
4382 | {"kill-ring-yank", KillRingYank}, |
4383 | {"toggle-overwrite", ToggleOverwrite}, |
4384 | {"indent", Indent}, |
4385 | #endif |
4386 | {"no-op", NoOp}, |
4387 | |
4388 | /* case transformations */ |
4389 | {"capitalize-word", CapitalizeWord}, |
4390 | {"downcase-word", DowncaseWord}, |
4391 | {"upcase-word", UpcaseWord}, |
4392 | |
4393 | /* action to bind translations for text dialogs */ |
4394 | {"InsertFileAction", _XawTextInsertFileAction}, |
4395 | {"DoSearchAction", _XawTextDoSearchAction}, |
4396 | {"DoReplaceAction", _XawTextDoReplaceAction}, |
4397 | {"SetField", _XawTextSetField}, |
4398 | {"PopdownSearchAction", _XawTextPopdownSearchAction}, |
4399 | |
4400 | /* reconnect to Input Method */ |
4401 | {"reconnect-im", Reconnect} /* Li Yuhong, Omron KK, 1991 */ |
4402 | }; |
4403 | |
4404 | Cardinal _XawTextActionsTableCount = XtNumber(_XawTextActionsTable)((Cardinal) (sizeof(_XawTextActionsTable) / sizeof(_XawTextActionsTable [0]))); |