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LyX 1.6.0 release candidate 4 (rc4)
[lyx.git] / src / Text3.cpp
blob2a5ebfc5737547e1bda398fce3101e86ba8f8041
1 /**
2 * \file text3.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
5 *
6 * \author Asger Alstrup
7 * \author Lars Gullik Bjønnes
8 * \author Alfredo Braunstein
9 * \author Angus Leeming
10 * \author John Levon
11 * \author André Pönitz
12 *
13 * Full author contact details are available in file CREDITS.
14 */
15
16 #include <config.h>
17
18 #include "Text.h"
19
20 #include "Bidi.h"
21 #include "BranchList.h"
22 #include "FloatList.h"
23 #include "FuncStatus.h"
24 #include "Buffer.h"
25 #include "buffer_funcs.h"
26 #include "BufferParams.h"
27 #include "BufferView.h"
28 #include "Cursor.h"
29 #include "CutAndPaste.h"
30 #include "DispatchResult.h"
31 #include "ErrorList.h"
32 #include "factory.h"
33 #include "FuncRequest.h"
34 #include "InsetList.h"
35 #include "Intl.h"
36 #include "Language.h"
37 #include "Layout.h"
38 #include "LyXAction.h"
39 #include "LyXFunc.h"
40 #include "Lexer.h"
41 #include "LyXRC.h"
42 #include "Paragraph.h"
43 #include "paragraph_funcs.h"
44 #include "ParagraphParameters.h"
45 #include "TextClass.h"
46 #include "TextMetrics.h"
47 #include "VSpace.h"
48
49 #include "frontends/Clipboard.h"
50 #include "frontends/Selection.h"
51
52 #include "insets/InsetCollapsable.h"
53 #include "insets/InsetCommand.h"
54 #include "insets/InsetFloatList.h"
55 #include "insets/InsetNewline.h"
56 #include "insets/InsetQuotes.h"
57 #include "insets/InsetSpecialChar.h"
58 #include "insets/InsetText.h"
59 #include "insets/InsetGraphics.h"
60 #include "insets/InsetGraphicsParams.h"
61
62 #include "support/convert.h"
63 #include "support/debug.h"
64 #include "support/gettext.h"
65 #include "support/lstrings.h"
66 #include "support/lyxtime.h"
67
68 #include "mathed/InsetMathHull.h"
69 #include "mathed/MathMacroTemplate.h"
70
71 #include <boost/next_prior.hpp>
72
73 #include <clocale>
74 #include <sstream>
75
76 using namespace std;
77 using namespace lyx::support;
78
79 namespace lyx {
80
81 using cap::copySelection;
82 using cap::cutSelection;
83 using cap::pasteFromStack;
84 using cap::pasteClipboardText;
85 using cap::pasteClipboardGraphics;
86 using cap::replaceSelection;
87
88 // globals...
89 static Font freefont(ignore_font, ignore_language);
90 static bool toggleall = false;
91
92 static void toggleAndShow(Cursor & cur, Text * text,
93 Font const & font, bool toggleall = true)
94 {
95 text->toggleFree(cur, font, toggleall);
96
97 if (font.language() != ignore_language ||
98 font.fontInfo().number() != FONT_IGNORE) {
99 TextMetrics const & tm = cur.bv().textMetrics(text);
100 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
101 cur.real_current_font))
102 text->setCursor(cur, cur.pit(), cur.pos(),
103 false, !cur.boundary());
104 }
105 }
106
107
108 static void moveCursor(Cursor & cur, bool selecting)
109 {
110 if (selecting || cur.mark())
111 cur.setSelection();
112 }
113
114
115 static void finishChange(Cursor & cur, bool selecting)
116 {
117 cur.finishUndo();
118 moveCursor(cur, selecting);
119 }
120
121
122 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
123 {
124 cur.recordUndo();
125 docstring sel = cur.selectionAsString(false);
126
127 // It may happen that sel is empty but there is a selection
128 replaceSelection(cur);
129
130 // Is this a valid formula?
131 bool valid = true;
132
133 if (sel.empty()) {
134 #ifdef ENABLE_ASSERTIONS
135 const int old_pos = cur.pos();
136 #endif
137 cur.insert(new InsetMathHull(hullSimple));
138 #ifdef ENABLE_ASSERTIONS
139 LASSERT(old_pos == cur.pos(), /**/);
140 #endif
141 cur.nextInset()->edit(cur, true);
142 // don't do that also for LFUN_MATH_MODE
143 // unless you want end up with always changing
144 // to mathrm when opening an inlined inset --
145 // I really hate "LyXfunc overloading"...
146 if (display)
147 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
148 // Avoid an unnecessary undo step if cmd.argument
149 // is empty
150 if (!cmd.argument().empty())
151 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
152 cmd.argument()));
153 } else {
154 // create a macro if we see "\\newcommand"
155 // somewhere, and an ordinary formula
156 // otherwise
157 if (sel.find(from_ascii("\\newcommand")) == string::npos
158 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
159 && sel.find(from_ascii("\\def")) == string::npos)
160 {
161 InsetMathHull * formula = new InsetMathHull;
162 string const selstr = to_utf8(sel);
163 istringstream is(selstr);
164 Lexer lex;
165 lex.setStream(is);
166 formula->readQuiet(lex);
167 if (formula->getType() == hullNone) {
168 // No valid formula, let's try with delims
169 is.str("$" + selstr + "$");
170 lex.setStream(is);
171 formula->readQuiet(lex);
172 if (formula->getType() == hullNone) {
173 // Still not valid, leave it as is
174 valid = false;
175 delete formula;
176 cur.insert(sel);
177 } else
178 cur.insert(formula);
179 } else
180 cur.insert(formula);
181 } else {
182 cur.insert(new MathMacroTemplate(sel));
183 }
184 }
185 if (valid)
186 cur.message(from_utf8(N_("Math editor mode")));
187 else
188 cur.message(from_utf8(N_("No valid math formula")));
189 }
190
191
192 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
193 {
194 cur.recordUndo();
195 cap::replaceSelection(cur);
196 cur.insert(new InsetSpecialChar(kind));
197 cur.posForward();
198 }
199
200
201 static bool doInsertInset(Cursor & cur, Text * text,
202 FuncRequest const & cmd, bool edit, bool pastesel)
203 {
204 Buffer & buffer = cur.bv().buffer();
205 BufferParams const & bparams = buffer.params();
206 Inset * inset = createInset(buffer, cmd);
207 if (!inset)
208 return false;
209
210 if (InsetCollapsable * ci = inset->asInsetCollapsable())
211 ci->setLayout(bparams);
212
213 cur.recordUndo();
214 if (cmd.action == LFUN_INDEX_INSERT) {
215 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
216 text->insertInset(cur, inset);
217 if (edit)
218 inset->edit(cur, true);
219 // Now put this into inset
220 static_cast<InsetCollapsable *>(inset)->text().insertStringAsParagraphs(cur, ds);
221 return true;
222 }
223
224 bool gotsel = false;
225 if (cur.selection()) {
226 cutSelection(cur, false, pastesel);
227 cur.clearSelection();
228 gotsel = true;
229 }
230 text->insertInset(cur, inset);
231
232 if (edit)
233 inset->edit(cur, true);
234
235 if (!gotsel || !pastesel)
236 return true;
237
238 pasteFromStack(cur, cur.buffer().errorList("Paste"), 0);
239 cur.buffer().errors("Paste");
240 cur.clearSelection(); // bug 393
241 cur.finishUndo();
242 InsetText * insetText = dynamic_cast<InsetText *>(inset);
243 if (insetText && (!insetText->allowMultiPar() || cur.lastpit() == 0)) {
244 // reset first par to default
245 cur.text()->paragraphs().begin()
246 ->setPlainOrDefaultLayout(bparams.documentClass());
247 cur.pos() = 0;
248 cur.pit() = 0;
249 // Merge multiple paragraphs -- hack
250 while (cur.lastpit() > 0)
251 mergeParagraph(bparams, cur.text()->paragraphs(), 0);
252 cur.leaveInset(*inset);
253 } else {
254 cur.leaveInset(*inset);
255 // reset surrounding par to default
256 DocumentClass const & dc = bparams.documentClass();
257 docstring const layoutname = inset->usePlainLayout()
258 ? dc.plainLayoutName()
259 : dc.defaultLayoutName();
260 text->setLayout(cur, layoutname);
261 }
262
263 return true;
264 }
265
266
267 string const freefont2string()
268 {
269 return freefont.toString(toggleall);
270 }
271
272
273 /// the type of outline operation
274 enum OutlineOp {
275 OutlineUp, // Move this header with text down
276 OutlineDown, // Move this header with text up
277 OutlineIn, // Make this header deeper
278 OutlineOut // Make this header shallower
279 };
280
281
282 static void outline(OutlineOp mode, Cursor & cur)
283 {
284 Buffer & buf = cur.buffer();
285 pit_type & pit = cur.pit();
286 ParagraphList & pars = buf.text().paragraphs();
287 ParagraphList::iterator bgn = pars.begin();
288 // The first paragraph of the area to be copied:
289 ParagraphList::iterator start = boost::next(bgn, pit);
290 // The final paragraph of area to be copied:
291 ParagraphList::iterator finish = start;
292 ParagraphList::iterator end = pars.end();
293
294 DocumentClass const & tc = buf.params().documentClass();
295
296 int const thistoclevel = start->layout().toclevel;
297 int toclevel;
298
299 // Move out (down) from this section header
300 if (finish != end)
301 ++finish;
302 // Seek the one (on same level) below
303 for (; finish != end; ++finish) {
304 toclevel = finish->layout().toclevel;
305 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel) {
306 break;
307 }
308 }
309
310 switch (mode) {
311 case OutlineUp: {
312 if (start == pars.begin())
313 // Nothing to move.
314 return;
315 ParagraphList::iterator dest = start;
316 // Move out (up) from this header
317 if (dest == bgn)
318 return;
319 // Search previous same-level header above
320 do {
321 --dest;
322 toclevel = dest->layout().toclevel;
323 } while(dest != bgn
324 && (toclevel == Layout::NOT_IN_TOC
325 || toclevel > thistoclevel));
326 // Not found; do nothing
327 if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
328 return;
329 pit_type const newpit = distance(bgn, dest);
330 pit_type const len = distance(start, finish);
331 pit_type const deletepit = pit + len;
332 buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
333 pars.insert(dest, start, finish);
334 start = boost::next(pars.begin(), deletepit);
335 pit = newpit;
336 pars.erase(start, finish);
337 return;
338 }
339 case OutlineDown: {
340 if (finish == end)
341 // Nothing to move.
342 return;
343 // Go one down from *this* header:
344 ParagraphList::iterator dest = boost::next(finish, 1);
345 // Go further down to find header to insert in front of:
346 for (; dest != end; ++dest) {
347 toclevel = dest->layout().toclevel;
348 if (toclevel != Layout::NOT_IN_TOC
349 && toclevel <= thistoclevel) {
350 break;
351 }
352 }
353 // One such was found:
354 pit_type newpit = distance(bgn, dest);
355 pit_type const len = distance(start, finish);
356 buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
357 pars.insert(dest, start, finish);
358 start = boost::next(bgn, pit);
359 pit = newpit - len;
360 pars.erase(start, finish);
361 return;
362 }
363 case OutlineIn: {
364 pit_type const len = distance(start, finish);
365 buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
366 for (; start != finish; ++start) {
367 toclevel = start->layout().toclevel;
368 if (toclevel == Layout::NOT_IN_TOC)
369 continue;
370 DocumentClass::const_iterator lit = tc.begin();
371 DocumentClass::const_iterator len = tc.end();
372 for (; lit != len; ++lit) {
373 if (lit->toclevel == toclevel + 1 &&
374 start->layout().labeltype == lit->labeltype) {
375 start->setLayout(*lit);
376 break;
377 }
378 }
379 }
380 return;
381 }
382 case OutlineOut: {
383 pit_type const len = distance(start, finish);
384 buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
385 for (; start != finish; ++start) {
386 toclevel = start->layout().toclevel;
387 if (toclevel == Layout::NOT_IN_TOC)
388 continue;
389 DocumentClass::const_iterator lit = tc.begin();
390 DocumentClass::const_iterator len = tc.end();
391 for (; lit != len; ++lit) {
392 if (lit->toclevel == toclevel - 1 &&
393 start->layout().labeltype == lit->labeltype) {
394 start->setLayout(*lit);
395 break;
396 }
397 }
398 }
399 return;
400 }
401 }
402 }
403
404
405 void Text::number(Cursor & cur)
406 {
407 FontInfo font = ignore_font;
408 font.setNumber(FONT_TOGGLE);
409 toggleAndShow(cur, this, Font(font, ignore_language));
410 }
411
412
413 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
414 {
415 return par.isRTL(buffer.params());
416 }
417
418
419 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
420 {
421 LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
422
423 BufferView * bv = &cur.bv();
424 TextMetrics & tm = bv->textMetrics(this);
425 if (!tm.contains(cur.pit()))
426 lyx::dispatch(FuncRequest(LFUN_SCREEN_RECENTER));
427
428 // FIXME: We use the update flag to indicates wether a singlePar or a
429 // full screen update is needed. We reset it here but shall we restore it
430 // at the end?
431 cur.noUpdate();
432
433 LASSERT(cur.text() == this, /**/);
434 CursorSlice oldTopSlice = cur.top();
435 bool oldBoundary = cur.boundary();
436 bool sel = cur.selection();
437 // Signals that, even if needsUpdate == false, an update of the
438 // cursor paragraph is required
439 bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
440 LyXAction::SingleParUpdate);
441 // Signals that a full-screen update is required
442 bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
443 LyXAction::NoUpdate) || singleParUpdate);
444
445 switch (cmd.action) {
446
447 case LFUN_PARAGRAPH_MOVE_DOWN: {
448 pit_type const pit = cur.pit();
449 recUndo(cur, pit, pit + 1);
450 cur.finishUndo();
451 swap(pars_[pit], pars_[pit + 1]);
452 updateLabels(cur.buffer());
453 needsUpdate = true;
454 ++cur.pit();
455 break;
456 }
457
458 case LFUN_PARAGRAPH_MOVE_UP: {
459 pit_type const pit = cur.pit();
460 recUndo(cur, pit - 1, pit);
461 cur.finishUndo();
462 swap(pars_[pit], pars_[pit - 1]);
463 updateLabels(cur.buffer());
464 --cur.pit();
465 needsUpdate = true;
466 break;
467 }
468
469 case LFUN_APPENDIX: {
470 Paragraph & par = cur.paragraph();
471 bool start = !par.params().startOfAppendix();
472
473 // FIXME: The code below only makes sense at top level.
474 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
475 // ensure that we have only one start_of_appendix in this document
476 // FIXME: this don't work for multipart document!
477 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
478 if (pars_[tmp].params().startOfAppendix()) {
479 recUndo(cur, tmp);
480 pars_[tmp].params().startOfAppendix(false);
481 break;
482 }
483 }
484
485 cur.recordUndo();
486 par.params().startOfAppendix(start);
487
488 // we can set the refreshing parameters now
489 updateLabels(cur.buffer());
490 break;
491 }
492
493 case LFUN_WORD_DELETE_FORWARD:
494 if (cur.selection()) {
495 cutSelection(cur, true, false);
496 } else
497 deleteWordForward(cur);
498 finishChange(cur, false);
499 break;
500
501 case LFUN_WORD_DELETE_BACKWARD:
502 if (cur.selection()) {
503 cutSelection(cur, true, false);
504 } else
505 deleteWordBackward(cur);
506 finishChange(cur, false);
507 break;
508
509 case LFUN_LINE_DELETE:
510 if (cur.selection()) {
511 cutSelection(cur, true, false);
512 } else
513 tm.deleteLineForward(cur);
514 finishChange(cur, false);
515 break;
516
517 case LFUN_BUFFER_BEGIN:
518 case LFUN_BUFFER_BEGIN_SELECT:
519 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
520 if (cur.depth() == 1) {
521 needsUpdate |= cursorTop(cur);
522 } else {
523 cur.undispatched();
524 }
525 cur.updateFlags(Update::FitCursor);
526 break;
527
528 case LFUN_BUFFER_END:
529 case LFUN_BUFFER_END_SELECT:
530 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
531 if (cur.depth() == 1) {
532 needsUpdate |= cursorBottom(cur);
533 } else {
534 cur.undispatched();
535 }
536 cur.updateFlags(Update::FitCursor);
537 break;
538
539 case LFUN_CHAR_FORWARD:
540 case LFUN_CHAR_FORWARD_SELECT:
541 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
542 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
543 needsUpdate |= cursorForward(cur);
544
545 if (!needsUpdate && oldTopSlice == cur.top()
546 && cur.boundary() == oldBoundary) {
547 cur.undispatched();
548 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
549 }
550 break;
551
552 case LFUN_CHAR_BACKWARD:
553 case LFUN_CHAR_BACKWARD_SELECT:
554 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
555 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
556 needsUpdate |= cursorBackward(cur);
557
558 if (!needsUpdate && oldTopSlice == cur.top()
559 && cur.boundary() == oldBoundary) {
560 cur.undispatched();
561 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
562 }
563 break;
564
565 case LFUN_CHAR_LEFT:
566 case LFUN_CHAR_LEFT_SELECT:
567 if (lyxrc.visual_cursor) {
568 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_LEFT_SELECT);
569 needsUpdate |= cursorVisLeft(cur);
570 if (!needsUpdate && oldTopSlice == cur.top()
571 && cur.boundary() == oldBoundary) {
572 cur.undispatched();
573 cmd = FuncRequest(LFUN_FINISHED_LEFT);
574 }
575 } else {
576 if (reverseDirectionNeeded(cur)) {
577 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
578 LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
579 } else {
580 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
581 LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
582 }
583 dispatch(cur, cmd);
584 return;
585 }
586 break;
587
588 case LFUN_CHAR_RIGHT:
589 case LFUN_CHAR_RIGHT_SELECT:
590 if (lyxrc.visual_cursor) {
591 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_RIGHT_SELECT);
592 needsUpdate |= cursorVisRight(cur);
593 if (!needsUpdate && oldTopSlice == cur.top()
594 && cur.boundary() == oldBoundary) {
595 cur.undispatched();
596 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
597 }
598 } else {
599 if (reverseDirectionNeeded(cur)) {
600 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
601 LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
602 } else {
603 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
604 LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
605 }
606 dispatch(cur, cmd);
607 return;
608 }
609 break;
610
611
612 case LFUN_UP_SELECT:
613 case LFUN_DOWN_SELECT:
614 case LFUN_UP:
615 case LFUN_DOWN: {
616 // stop/start the selection
617 bool select = cmd.action == LFUN_DOWN_SELECT ||
618 cmd.action == LFUN_UP_SELECT;
619 cur.selHandle(select);
620
621 // move cursor up/down
622 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
623 bool const successful = cur.upDownInText(up, needsUpdate);
624 if (successful) {
625 // redraw if you leave mathed (for the decorations)
626 needsUpdate |= cur.beforeDispatchCursor().inMathed();
627 } else
628 cur.undispatched();
629
630 break;
631 }
632
633 case LFUN_PARAGRAPH_UP:
634 case LFUN_PARAGRAPH_UP_SELECT:
635 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
636 needsUpdate |= cursorUpParagraph(cur);
637 break;
638
639 case LFUN_PARAGRAPH_DOWN:
640 case LFUN_PARAGRAPH_DOWN_SELECT:
641 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
642 needsUpdate |= cursorDownParagraph(cur);
643 break;
644
645 case LFUN_LINE_BEGIN:
646 case LFUN_LINE_BEGIN_SELECT:
647 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
648 needsUpdate |= tm.cursorHome(cur);
649 break;
650
651 case LFUN_LINE_END:
652 case LFUN_LINE_END_SELECT:
653 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
654 needsUpdate |= tm.cursorEnd(cur);
655 break;
656
657 case LFUN_WORD_RIGHT:
658 case LFUN_WORD_RIGHT_SELECT:
659 if (lyxrc.visual_cursor) {
660 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_RIGHT_SELECT);
661 needsUpdate |= cursorVisRightOneWord(cur);
662 if (!needsUpdate && oldTopSlice == cur.top()
663 && cur.boundary() == oldBoundary) {
664 cur.undispatched();
665 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
666 }
667 } else {
668 if (reverseDirectionNeeded(cur)) {
669 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
670 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
671 } else {
672 cmd.action = cmd.action == LFUN_WORD_RIGHT_SELECT ?
673 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
674 }
675 dispatch(cur, cmd);
676 return;
677 }
678 break;
679
680 case LFUN_WORD_FORWARD:
681 case LFUN_WORD_FORWARD_SELECT:
682 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
683 needsUpdate |= cursorForwardOneWord(cur);
684 break;
685
686 case LFUN_WORD_LEFT:
687 case LFUN_WORD_LEFT_SELECT:
688 if (lyxrc.visual_cursor) {
689 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_LEFT_SELECT);
690 needsUpdate |= cursorVisLeftOneWord(cur);
691 if (!needsUpdate && oldTopSlice == cur.top()
692 && cur.boundary() == oldBoundary) {
693 cur.undispatched();
694 cmd = FuncRequest(LFUN_FINISHED_LEFT);
695 }
696 } else {
697 if (reverseDirectionNeeded(cur)) {
698 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
699 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD;
700 } else {
701 cmd.action = cmd.action == LFUN_WORD_LEFT_SELECT ?
702 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD;
703 }
704 dispatch(cur, cmd);
705 return;
706 }
707 break;
708
709 case LFUN_WORD_BACKWARD:
710 case LFUN_WORD_BACKWARD_SELECT:
711 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
712 needsUpdate |= cursorBackwardOneWord(cur);
713 break;
714
715 case LFUN_WORD_SELECT: {
716 selectWord(cur, WHOLE_WORD);
717 finishChange(cur, true);
718 break;
719 }
720
721 case LFUN_NEWLINE_INSERT: {
722 InsetNewlineParams inp;
723 docstring arg = cmd.argument();
724 // this avoids a double undo
725 // FIXME: should not be needed, ideally
726 if (!cur.selection())
727 cur.recordUndo();
728 cap::replaceSelection(cur);
729 if (arg == "linebreak")
730 inp.kind = InsetNewlineParams::LINEBREAK;
731 else
732 inp.kind = InsetNewlineParams::NEWLINE;
733 cur.insert(new InsetNewline(inp));
734 cur.posForward();
735 moveCursor(cur, false);
736 break;
737 }
738
739 case LFUN_CHAR_DELETE_FORWARD:
740 if (!cur.selection()) {
741 if (cur.pos() == cur.paragraph().size())
742 // Par boundary, force full-screen update
743 singleParUpdate = false;
744 needsUpdate |= erase(cur);
745 cur.resetAnchor();
746 // It is possible to make it a lot faster still
747 // just comment out the line below...
748 } else {
749 cutSelection(cur, true, false);
750 singleParUpdate = false;
751 }
752 moveCursor(cur, false);
753 break;
754
755 case LFUN_CHAR_DELETE_BACKWARD:
756 if (!cur.selection()) {
757 if (bv->getIntl().getTransManager().backspace()) {
758 // Par boundary, full-screen update
759 if (cur.pos() == 0)
760 singleParUpdate = false;
761 needsUpdate |= backspace(cur);
762 cur.resetAnchor();
763 // It is possible to make it a lot faster still
764 // just comment out the line below...
765 }
766 } else {
767 cutSelection(cur, true, false);
768 singleParUpdate = false;
769 }
770 break;
771
772 case LFUN_BREAK_PARAGRAPH:
773 cap::replaceSelection(cur);
774 breakParagraph(cur, cmd.argument() == "inverse");
775 cur.resetAnchor();
776 break;
777
778 // TODO
779 // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
780 // as its duties can be performed there. Should it be removed??
781 // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
782 case LFUN_PARAGRAPH_SPACING: {
783 Paragraph & par = cur.paragraph();
784 Spacing::Space cur_spacing = par.params().spacing().getSpace();
785 string cur_value = "1.0";
786 if (cur_spacing == Spacing::Other)
787 cur_value = par.params().spacing().getValueAsString();
788
789 istringstream is(to_utf8(cmd.argument()));
790 string tmp;
791 is >> tmp;
792 Spacing::Space new_spacing = cur_spacing;
793 string new_value = cur_value;
794 if (tmp.empty()) {
795 lyxerr << "Missing argument to `paragraph-spacing'"
796 << endl;
797 } else if (tmp == "single") {
798 new_spacing = Spacing::Single;
799 } else if (tmp == "onehalf") {
800 new_spacing = Spacing::Onehalf;
801 } else if (tmp == "double") {
802 new_spacing = Spacing::Double;
803 } else if (tmp == "other") {
804 new_spacing = Spacing::Other;
805 string tmpval = "0.0";
806 is >> tmpval;
807 lyxerr << "new_value = " << tmpval << endl;
808 if (tmpval != "0.0")
809 new_value = tmpval;
810 } else if (tmp == "default") {
811 new_spacing = Spacing::Default;
812 } else {
813 lyxerr << to_utf8(_("Unknown spacing argument: "))
814 << to_utf8(cmd.argument()) << endl;
815 }
816 if (cur_spacing != new_spacing || cur_value != new_value)
817 par.params().spacing(Spacing(new_spacing, new_value));
818 break;
819 }
820
821 case LFUN_INSET_INSERT: {
822 cur.recordUndo();
823 Inset * inset = createInset(bv->buffer(), cmd);
824 if (inset) {
825 // FIXME (Abdel 01/02/2006):
826 // What follows would be a partial fix for bug 2154:
827 // http://bugzilla.lyx.org/show_bug.cgi?id=2154
828 // This automatically put the label inset _after_ a
829 // numbered section. It should be possible to extend the mechanism
830 // to any kind of LateX environement.
831 // The correct way to fix that bug would be at LateX generation.
832 // I'll let the code here for reference as it could be used for some
833 // other feature like "automatic labelling".
834 /*
835 Paragraph & par = pars_[cur.pit()];
836 if (inset->lyxCode() == LABEL_CODE
837 && par.layout().labeltype == LABEL_COUNTER) {
838 // Go to the end of the paragraph
839 // Warning: Because of Change-Tracking, the last
840 // position is 'size()' and not 'size()-1':
841 cur.pos() = par.size();
842 // Insert a new paragraph
843 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
844 dispatch(cur, fr);
845 }
846 */
847 if (cur.selection())
848 cutSelection(cur, true, false);
849 cur.insert(inset);
850 cur.posForward();
851 }
852 break;
853 }
854
855 case LFUN_INSET_DISSOLVE:
856 needsUpdate |= dissolveInset(cur);
857 break;
858
859 case LFUN_INSET_SETTINGS: {
860 Inset & inset = cur.inset();
861 if (cmd.getArg(0) == insetName(inset.lyxCode())) {
862 // This inset dialog has been explicitely requested.
863 inset.showInsetDialog(bv);
864 break;
865 }
866 // else, if there is an inset at the cursor, access this
867 Inset * next_inset = cur.nextInset();
868 if (next_inset) {
869 next_inset->showInsetDialog(bv);
870 break;
871 }
872 // if not then access the underlying inset.
873 inset.showInsetDialog(bv);
874 break;
875 }
876
877 case LFUN_SET_GRAPHICS_GROUP: {
878 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
879 if (!ins)
880 break;
881
882 cur.recordUndo();
883
884 string id = to_utf8(cmd.argument());
885 string grp = graphics::getGroupParams(bv->buffer(), id);
886 InsetGraphicsParams tmp, inspar = ins->getParams();
887
888 if (id.empty())
889 inspar.groupId = to_utf8(cmd.argument());
890 else {
891 InsetGraphics::string2params(grp, bv->buffer(), tmp);
892 tmp.filename = inspar.filename;
893 inspar = tmp;
894 }
895
896 ins->setParams(inspar);
897 }
898
899 case LFUN_SPACE_INSERT:
900 if (cur.paragraph().layout().free_spacing)
901 insertChar(cur, ' ');
902 else {
903 doInsertInset(cur, this, cmd, false, false);
904 cur.posForward();
905 }
906 moveCursor(cur, false);
907 break;
908
909 case LFUN_SPECIALCHAR_INSERT: {
910 string const name = to_utf8(cmd.argument());
911 if (name == "hyphenation")
912 specialChar(cur, InsetSpecialChar::HYPHENATION);
913 else if (name == "ligature-break")
914 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
915 else if (name == "slash")
916 specialChar(cur, InsetSpecialChar::SLASH);
917 else if (name == "nobreakdash")
918 specialChar(cur, InsetSpecialChar::NOBREAKDASH);
919 else if (name == "dots")
920 specialChar(cur, InsetSpecialChar::LDOTS);
921 else if (name == "end-of-sentence")
922 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
923 else if (name == "menu-separator")
924 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
925 else if (name.empty())
926 lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
927 else
928 lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
929 break;
930 }
931
932 case LFUN_WORD_UPCASE:
933 changeCase(cur, text_uppercase);
934 break;
935
936 case LFUN_WORD_LOWCASE:
937 changeCase(cur, text_lowercase);
938 break;
939
940 case LFUN_WORD_CAPITALIZE:
941 changeCase(cur, text_capitalization);
942 break;
943
944 case LFUN_CHARS_TRANSPOSE:
945 charsTranspose(cur);
946 break;
947
948 case LFUN_PASTE: {
949 cur.message(_("Paste"));
950 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), /**/);
951 cap::replaceSelection(cur);
952
953 // without argument?
954 string const arg = to_utf8(cmd.argument());
955 if (arg.empty()) {
956 if (theClipboard().isInternal())
957 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
958 else if (theClipboard().hasGraphicsContents())
959 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
960 else
961 pasteClipboardText(cur, bv->buffer().errorList("Paste"));
962 } else if (isStrUnsignedInt(arg)) {
963 // we have a numerical argument
964 pasteFromStack(cur, bv->buffer().errorList("Paste"),
965 convert<unsigned int>(arg));
966 } else {
967 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
968 if (arg == "pdf")
969 type = Clipboard::PdfGraphicsType;
970 else if (arg == "png")
971 type = Clipboard::PngGraphicsType;
972 else if (arg == "jpeg")
973 type = Clipboard::JpegGraphicsType;
974 else if (arg == "linkback")
975 type = Clipboard::LinkBackGraphicsType;
976 else
977 LASSERT(false, /**/);
978
979 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
980 }
981
982 bv->buffer().errors("Paste");
983 cur.clearSelection(); // bug 393
984 cur.finishUndo();
985 break;
986 }
987
988 case LFUN_CUT:
989 cutSelection(cur, true, true);
990 cur.message(_("Cut"));
991 break;
992
993 case LFUN_COPY:
994 copySelection(cur);
995 cur.message(_("Copy"));
996 break;
997
998 case LFUN_SERVER_GET_XY:
999 cur.message(from_utf8(
1000 convert<string>(tm.cursorX(cur.top(), cur.boundary()))
1001 + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
1002 break;
1003
1004 case LFUN_SERVER_SET_XY: {
1005 int x = 0;
1006 int y = 0;
1007 istringstream is(to_utf8(cmd.argument()));
1008 is >> x >> y;
1009 if (!is)
1010 lyxerr << "SETXY: Could not parse coordinates in '"
1011 << to_utf8(cmd.argument()) << endl;
1012 else
1013 tm.setCursorFromCoordinates(cur, x, y);
1014 break;
1015 }
1016
1017 case LFUN_SERVER_GET_LAYOUT:
1018 cur.message(cur.paragraph().layout().name());
1019 break;
1020
1021 case LFUN_LAYOUT: {
1022 docstring layout = cmd.argument();
1023 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1024
1025 Paragraph const & para = cur.paragraph();
1026 docstring const old_layout = para.layout().name();
1027 DocumentClass const & tclass = bv->buffer().params().documentClass();
1028
1029 if (layout.empty())
1030 layout = tclass.defaultLayoutName();
1031
1032 if (para.forcePlainLayout())
1033 // in this case only the empty layout is allowed
1034 layout = tclass.plainLayoutName();
1035 else if (para.usePlainLayout()) {
1036 // in this case, default layout maps to empty layout
1037 if (layout == tclass.defaultLayoutName())
1038 layout = tclass.plainLayoutName();
1039 } else {
1040 // otherwise, the empty layout maps to the default
1041 if (layout == tclass.plainLayoutName())
1042 layout = tclass.defaultLayoutName();
1043 }
1044
1045 bool hasLayout = tclass.hasLayout(layout);
1046
1047 // If the entry is obsolete, use the new one instead.
1048 if (hasLayout) {
1049 docstring const & obs = tclass[layout].obsoleted_by();
1050 if (!obs.empty())
1051 layout = obs;
1052 }
1053
1054 if (!hasLayout) {
1055 cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1056 from_utf8(N_(" not known")));
1057 break;
1058 }
1059
1060 bool change_layout = (old_layout != layout);
1061
1062 if (!change_layout && cur.selection() &&
1063 cur.selBegin().pit() != cur.selEnd().pit())
1064 {
1065 pit_type spit = cur.selBegin().pit();
1066 pit_type epit = cur.selEnd().pit() + 1;
1067 while (spit != epit) {
1068 if (pars_[spit].layout().name() != old_layout) {
1069 change_layout = true;
1070 break;
1071 }
1072 ++spit;
1073 }
1074 }
1075
1076 if (change_layout)
1077 setLayout(cur, layout);
1078
1079 break;
1080 }
1081
1082 case LFUN_CLIPBOARD_PASTE:
1083 cur.clearSelection();
1084 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1085 cmd.argument() == "paragraph");
1086 bv->buffer().errors("Paste");
1087 break;
1088
1089 case LFUN_PRIMARY_SELECTION_PASTE:
1090 pasteString(cur, theSelection().get(),
1091 cmd.argument() == "paragraph");
1092 break;
1093
1094 case LFUN_UNICODE_INSERT: {
1095 if (cmd.argument().empty())
1096 break;
1097 docstring hexstring = cmd.argument();
1098 if (isHex(hexstring)) {
1099 char_type c = hexToInt(hexstring);
1100 if (c >= 32 && c < 0x10ffff) {
1101 lyxerr << "Inserting c: " << c << endl;
1102 docstring s = docstring(1, c);
1103 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1104 }
1105 }
1106 break;
1107 }
1108
1109 case LFUN_QUOTE_INSERT: {
1110 Paragraph & par = cur.paragraph();
1111 pos_type pos = cur.pos();
1112 BufferParams const & bufparams = bv->buffer().params();
1113 Layout const & style = par.layout();
1114 if (!style.pass_thru
1115 && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1116 // this avoids a double undo
1117 // FIXME: should not be needed, ideally
1118 if (!cur.selection())
1119 cur.recordUndo();
1120 cap::replaceSelection(cur);
1121 pos = cur.pos();
1122 char_type c;
1123 if (pos == 0)
1124 c = ' ';
1125 else if (cur.prevInset() && cur.prevInset()->isSpace())
1126 c = ' ';
1127 else
1128 c = par.getChar(pos - 1);
1129 string arg = to_utf8(cmd.argument());
1130 cur.insert(new InsetQuotes(bv->buffer(), c, (arg == "single")
1131 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes));
1132 cur.posForward();
1133 }
1134 else
1135 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1136 break;
1137 }
1138
1139 case LFUN_DATE_INSERT: {
1140 string const format = cmd.argument().empty()
1141 ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1142 string const time = formatted_time(current_time(), format);
1143 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1144 break;
1145 }
1146
1147 case LFUN_MOUSE_TRIPLE:
1148 if (cmd.button() == mouse_button::button1) {
1149 tm.cursorHome(cur);
1150 cur.resetAnchor();
1151 tm.cursorEnd(cur);
1152 cur.setSelection();
1153 bv->cursor() = cur;
1154 }
1155 break;
1156
1157 case LFUN_MOUSE_DOUBLE:
1158 if (cmd.button() == mouse_button::button1) {
1159 selectWord(cur, WHOLE_WORD_STRICT);
1160 bv->cursor() = cur;
1161 }
1162 break;
1163
1164 // Single-click on work area
1165 case LFUN_MOUSE_PRESS:
1166 // We are not marking a selection with the keyboard in any case.
1167 cur.bv().cursor().setMark(false);
1168 switch (cmd.button()) {
1169 case mouse_button::button1:
1170 // Set the cursor
1171 if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1172 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1173 break;
1174
1175 case mouse_button::button2:
1176 // Middle mouse pasting.
1177 bv->mouseSetCursor(cur);
1178 if (!cap::selection()) {
1179 // There is no local selection in the current buffer, so try to
1180 // paste primary selection instead.
1181 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE,
1182 "paragraph"));
1183 // Nothing else to do.
1184 cur.noUpdate();
1185 return;
1186 }
1187 // Copy the selection buffer to the clipboard stack, because we want it
1188 // to appear in the "Edit->Paste recent" menu.
1189 cap::copySelectionToStack();
1190 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1191 cur.updateFlags(Update::Force | Update::FitCursor);
1192 bv->buffer().errors("Paste");
1193 bv->buffer().markDirty();
1194 bv->cursor().finishUndo();
1195 break;
1196
1197 case mouse_button::button3: {
1198 Cursor const & bvcur = cur.bv().cursor();
1199 // Don't do anything if we right-click a
1200 // selection, a context menu will popup.
1201 if (bvcur.selection() && cur >= bvcur.selectionBegin()
1202 && cur < bvcur.selectionEnd()) {
1203 cur.noUpdate();
1204 return;
1205 }
1206 if (!bv->mouseSetCursor(cur, false))
1207 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1208 break;
1209 }
1210
1211 default:
1212 break;
1213 } // switch (cmd.button())
1214 break;
1215
1216 case LFUN_MOUSE_MOTION: {
1217 // Mouse motion with right or middle mouse do nothing for now.
1218 if (cmd.button() != mouse_button::button1) {
1219 cur.noUpdate();
1220 return;
1221 }
1222 // ignore motions deeper nested than the real anchor
1223 Cursor & bvcur = cur.bv().cursor();
1224 if (!bvcur.anchor_.hasPart(cur)) {
1225 cur.undispatched();
1226 break;
1227 }
1228 CursorSlice old = bvcur.top();
1229
1230 int const wh = bv->workHeight();
1231 int const y = max(0, min(wh - 1, cmd.y));
1232
1233 tm.setCursorFromCoordinates(cur, cmd.x, y);
1234 cur.setTargetX(cmd.x);
1235 if (cmd.y >= wh)
1236 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1237 else if (cmd.y < 0)
1238 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1239 // This is to allow jumping over large insets
1240 if (cur.top() == old) {
1241 if (cmd.y >= wh)
1242 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1243 else if (cmd.y < 0)
1244 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1245 }
1246 // We continue with our existing selection or start a new one, so don't
1247 // reset the anchor.
1248 bvcur.setCursor(cur);
1249 bvcur.setSelection(true);
1250 if (cur.top() == old) {
1251 // We didn't move one iota, so no need to update the screen.
1252 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1253 //cur.noUpdate();
1254 return;
1255 }
1256 break;
1257 }
1258
1259 case LFUN_MOUSE_RELEASE:
1260 switch (cmd.button()) {
1261 case mouse_button::button1:
1262 // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1263 // If there is a new selection, update persistent selection;
1264 // otherwise, single click does not clear persistent selection
1265 // buffer.
1266 if (cur.selection()) {
1267 // Finish selection. If double click,
1268 // cur is moved to the end of word by
1269 // selectWord but bvcur is current
1270 // mouse position.
1271 cur.bv().cursor().setSelection();
1272 // We might have removed an empty but drawn selection
1273 // (probably a margin)
1274 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1275 } else
1276 cur.noUpdate();
1277 // FIXME: We could try to handle drag and drop of selection here.
1278 return;
1279
1280 case mouse_button::button2:
1281 // Middle mouse pasting is handled at mouse press time,
1282 // see LFUN_MOUSE_PRESS.
1283 cur.noUpdate();
1284 return;
1285
1286 case mouse_button::button3:
1287 // Cursor was set at LFUN_MOUSE_PRESS time.
1288 // FIXME: If there is a selection we could try to handle a special
1289 // drag & drop context menu.
1290 cur.noUpdate();
1291 return;
1292
1293 case mouse_button::none:
1294 case mouse_button::button4:
1295 case mouse_button::button5:
1296 break;
1297 } // switch (cmd.button())
1298
1299 break;
1300
1301 case LFUN_SELF_INSERT: {
1302 if (cmd.argument().empty())
1303 break;
1304
1305 // Automatically delete the currently selected
1306 // text and replace it with what is being
1307 // typed in now. Depends on lyxrc settings
1308 // "auto_region_delete", which defaults to
1309 // true (on).
1310
1311 if (lyxrc.auto_region_delete && cur.selection())
1312 cutSelection(cur, false, false);
1313
1314 cur.clearSelection();
1315
1316 docstring::const_iterator cit = cmd.argument().begin();
1317 docstring::const_iterator const end = cmd.argument().end();
1318 for (; cit != end; ++cit)
1319 bv->translateAndInsert(*cit, this, cur);
1320
1321 cur.resetAnchor();
1322 moveCursor(cur, false);
1323 break;
1324 }
1325
1326 case LFUN_HYPERLINK_INSERT: {
1327 InsetCommandParams p(HYPERLINK_CODE);
1328 docstring content;
1329 if (cur.selection()) {
1330 content = cur.selectionAsString(false);
1331 cutSelection(cur, true, false);
1332 }
1333 p["target"] = (cmd.argument().empty()) ?
1334 content : cmd.argument();
1335 string const data = InsetCommand::params2string("href", p);
1336 if (p["target"].empty()) {
1337 bv->showDialog("href", data);
1338 } else {
1339 FuncRequest fr(LFUN_INSET_INSERT, data);
1340 dispatch(cur, fr);
1341 }
1342 break;
1343 }
1344
1345 case LFUN_LABEL_INSERT: {
1346 InsetCommandParams p(LABEL_CODE);
1347 // Try to generate a valid label
1348 p["name"] = (cmd.argument().empty()) ?
1349 cur.getPossibleLabel() :
1350 cmd.argument();
1351 string const data = InsetCommand::params2string("label", p);
1352
1353 if (cmd.argument().empty()) {
1354 bv->showDialog("label", data);
1355 } else {
1356 FuncRequest fr(LFUN_INSET_INSERT, data);
1357 dispatch(cur, fr);
1358 }
1359 break;
1360 }
1361
1362 case LFUN_INFO_INSERT: {
1363 Inset * inset;
1364 if (cmd.argument().empty() && cur.selection()) {
1365 // if command argument is empty use current selection as parameter.
1366 docstring ds = cur.selectionAsString(false);
1367 cutSelection(cur, true, false);
1368 FuncRequest cmd0(cmd, ds);
1369 inset = createInset(cur.bv().buffer(), cmd0);
1370 } else {
1371 inset = createInset(cur.bv().buffer(), cmd);
1372 }
1373 if (!inset)
1374 break;
1375 insertInset(cur, inset);
1376 cur.posForward();
1377 break;
1378 }
1379 case LFUN_CAPTION_INSERT:
1380 case LFUN_FOOTNOTE_INSERT:
1381 case LFUN_NOTE_INSERT:
1382 case LFUN_FLEX_INSERT:
1383 case LFUN_BOX_INSERT:
1384 case LFUN_BRANCH_INSERT:
1385 case LFUN_ERT_INSERT:
1386 case LFUN_LISTING_INSERT:
1387 case LFUN_MARGINALNOTE_INSERT:
1388 case LFUN_OPTIONAL_INSERT:
1389 case LFUN_INDEX_INSERT:
1390 // Open the inset, and move the current selection
1391 // inside it.
1392 doInsertInset(cur, this, cmd, true, true);
1393 cur.posForward();
1394 // Some insets are numbered, others are shown in the outline pane so
1395 // let's update the labels and the toc backend.
1396 updateLabels(bv->buffer());
1397 break;
1398
1399 case LFUN_TABULAR_INSERT:
1400 // if there were no arguments, just open the dialog
1401 if (doInsertInset(cur, this, cmd, false, true))
1402 cur.posForward();
1403 else
1404 bv->showDialog("tabularcreate");
1405
1406 break;
1407
1408 case LFUN_FLOAT_INSERT:
1409 case LFUN_FLOAT_WIDE_INSERT:
1410 case LFUN_WRAP_INSERT: {
1411 bool content = cur.selection(); // will some text be moved into the inset?
1412
1413 doInsertInset(cur, this, cmd, true, true);
1414 cur.posForward();
1415 ParagraphList & pars = cur.text()->paragraphs();
1416
1417 DocumentClass const & tclass = bv->buffer().params().documentClass();
1418
1419 // add a separate paragraph for the caption inset
1420 pars.push_back(Paragraph());
1421 pars.back().setInsetOwner(&pars[0].inInset());
1422 pars.back().setPlainOrDefaultLayout(tclass);
1423 int cap_pit = pars.size() - 1;
1424
1425 // if an empty inset was created, we create an additional empty
1426 // paragraph at the bottom so that the user can choose where to put
1427 // the graphics (or table).
1428 if (!content) {
1429 pars.push_back(Paragraph());
1430 pars.back().setInsetOwner(&pars[0].inInset());
1431 pars.back().setPlainOrDefaultLayout(tclass);
1432 }
1433
1434 // reposition the cursor to the caption
1435 cur.pit() = cap_pit;
1436 cur.pos() = 0;
1437 // FIXME: This Text/Cursor dispatch handling is a mess!
1438 // We cannot use Cursor::dispatch here it needs access to up to
1439 // date metrics.
1440 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1441 cur.text()->dispatch(cur, cmd_caption);
1442 cur.updateFlags(Update::Force);
1443 // FIXME: When leaving the Float (or Wrap) inset we should
1444 // delete any empty paragraph left above or below the
1445 // caption.
1446 break;
1447 }
1448
1449 case LFUN_NOMENCL_INSERT: {
1450 InsetCommandParams p(NOMENCL_CODE);
1451 if (cmd.argument().empty())
1452 p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1453 else
1454 p["symbol"] = cmd.argument();
1455 string const data = InsetCommand::params2string("nomenclature", p);
1456 bv->showDialog("nomenclature", data);
1457 break;
1458 }
1459
1460 case LFUN_INDEX_PRINT:
1461 case LFUN_NOMENCL_PRINT:
1462 case LFUN_TOC_INSERT:
1463 case LFUN_LINE_INSERT:
1464 case LFUN_NEWPAGE_INSERT:
1465 // do nothing fancy
1466 doInsertInset(cur, this, cmd, false, false);
1467 cur.posForward();
1468 break;
1469
1470 case LFUN_DEPTH_DECREMENT:
1471 changeDepth(cur, DEC_DEPTH);
1472 break;
1473
1474 case LFUN_DEPTH_INCREMENT:
1475 changeDepth(cur, INC_DEPTH);
1476 break;
1477
1478 case LFUN_MATH_DISPLAY:
1479 mathDispatch(cur, cmd, true);
1480 break;
1481
1482 case LFUN_MATH_MODE:
1483 if (cmd.argument() == "on")
1484 // don't pass "on" as argument
1485 mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1486 else
1487 mathDispatch(cur, cmd, false);
1488 break;
1489
1490 case LFUN_MATH_MACRO:
1491 if (cmd.argument().empty())
1492 cur.errorMessage(from_utf8(N_("Missing argument")));
1493 else {
1494 string s = to_utf8(cmd.argument());
1495 string const s1 = token(s, ' ', 1);
1496 int const nargs = s1.empty() ? 0 : convert<int>(s1);
1497 string const s2 = token(s, ' ', 2);
1498 MacroType type = MacroTypeNewcommand;
1499 if (s2 == "def")
1500 type = MacroTypeDef;
1501 MathMacroTemplate * inset = new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, false, type);
1502 inset->setBuffer(bv->buffer());
1503 insertInset(cur, inset);
1504
1505 // enter macro inset and select the name
1506 cur.push(*inset);
1507 cur.top().pos() = cur.top().lastpos();
1508 cur.resetAnchor();
1509 cur.setSelection(true);
1510 cur.top().pos() = 0;
1511 }
1512 break;
1513
1514 // passthrough hat and underscore outside mathed:
1515 case LFUN_MATH_SUBSCRIPT:
1516 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1517 break;
1518 case LFUN_MATH_SUPERSCRIPT:
1519 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1520 break;
1521
1522 case LFUN_MATH_INSERT:
1523 case LFUN_MATH_MATRIX:
1524 case LFUN_MATH_DELIM:
1525 case LFUN_MATH_BIGDELIM: {
1526 cur.recordUndo();
1527 cap::replaceSelection(cur);
1528 cur.insert(new InsetMathHull(hullSimple));
1529 checkAndActivateInset(cur, true);
1530 LASSERT(cur.inMathed(), /**/);
1531 cur.dispatch(cmd);
1532 break;
1533 }
1534
1535 case LFUN_FONT_EMPH: {
1536 Font font(ignore_font, ignore_language);
1537 font.fontInfo().setEmph(FONT_TOGGLE);
1538 toggleAndShow(cur, this, font);
1539 break;
1540 }
1541
1542 case LFUN_FONT_BOLD:
1543 case LFUN_FONT_BOLDSYMBOL: {
1544 Font font(ignore_font, ignore_language);
1545 font.fontInfo().setSeries(BOLD_SERIES);
1546 toggleAndShow(cur, this, font);
1547 break;
1548 }
1549
1550 case LFUN_FONT_NOUN: {
1551 Font font(ignore_font, ignore_language);
1552 font.fontInfo().setNoun(FONT_TOGGLE);
1553 toggleAndShow(cur, this, font);
1554 break;
1555 }
1556
1557 case LFUN_FONT_TYPEWRITER: {
1558 Font font(ignore_font, ignore_language);
1559 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
1560 toggleAndShow(cur, this, font);
1561 break;
1562 }
1563
1564 case LFUN_FONT_SANS: {
1565 Font font(ignore_font, ignore_language);
1566 font.fontInfo().setFamily(SANS_FAMILY);
1567 toggleAndShow(cur, this, font);
1568 break;
1569 }
1570
1571 case LFUN_FONT_ROMAN: {
1572 Font font(ignore_font, ignore_language);
1573 font.fontInfo().setFamily(ROMAN_FAMILY);
1574 toggleAndShow(cur, this, font);
1575 break;
1576 }
1577
1578 case LFUN_FONT_DEFAULT: {
1579 Font font(inherit_font, ignore_language);
1580 toggleAndShow(cur, this, font);
1581 break;
1582 }
1583
1584 case LFUN_FONT_UNDERLINE: {
1585 Font font(ignore_font, ignore_language);
1586 font.fontInfo().setUnderbar(FONT_TOGGLE);
1587 toggleAndShow(cur, this, font);
1588 break;
1589 }
1590
1591 case LFUN_FONT_SIZE: {
1592 Font font(ignore_font, ignore_language);
1593 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
1594 toggleAndShow(cur, this, font);
1595 break;
1596 }
1597
1598 case LFUN_LANGUAGE: {
1599 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1600 if (!lang)
1601 break;
1602 Font font(ignore_font, lang);
1603 toggleAndShow(cur, this, font);
1604 break;
1605 }
1606
1607 case LFUN_TEXTSTYLE_APPLY:
1608 toggleAndShow(cur, this, freefont, toggleall);
1609 cur.message(_("Character set"));
1610 break;
1611
1612 // Set the freefont using the contents of \param data dispatched from
1613 // the frontends and apply it at the current cursor location.
1614 case LFUN_TEXTSTYLE_UPDATE: {
1615 Font font;
1616 bool toggle;
1617 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1618 freefont = font;
1619 toggleall = toggle;
1620 toggleAndShow(cur, this, freefont, toggleall);
1621 cur.message(_("Character set"));
1622 } else {
1623 lyxerr << "Argument not ok";
1624 }
1625 break;
1626 }
1627
1628 case LFUN_FINISHED_LEFT:
1629 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
1630 // We're leaving an inset, going left. If the inset is LTR, we're
1631 // leaving from the front, so we should not move (remain at --- but
1632 // not in --- the inset). If the inset is RTL, move left, without
1633 // entering the inset itself; i.e., move to after the inset.
1634 if (cur.paragraph().getFontSettings(
1635 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1636 cursorVisLeft(cur, true);
1637 break;
1638
1639 case LFUN_FINISHED_RIGHT:
1640 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
1641 // We're leaving an inset, going right. If the inset is RTL, we're
1642 // leaving from the front, so we should not move (remain at --- but
1643 // not in --- the inset). If the inset is LTR, move right, without
1644 // entering the inset itself; i.e., move to after the inset.
1645 if (!cur.paragraph().getFontSettings(
1646 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
1647 cursorVisRight(cur, true);
1648 break;
1649
1650 case LFUN_FINISHED_BACKWARD:
1651 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
1652 break;
1653
1654 case LFUN_FINISHED_FORWARD:
1655 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
1656 ++cur.pos();
1657 cur.setCurrentFont();
1658 break;
1659
1660 case LFUN_LAYOUT_PARAGRAPH: {
1661 string data;
1662 params2string(cur.paragraph(), data);
1663 data = "show\n" + data;
1664 bv->showDialog("paragraph", data);
1665 break;
1666 }
1667
1668 case LFUN_PARAGRAPH_UPDATE: {
1669 string data;
1670 params2string(cur.paragraph(), data);
1671
1672 // Will the paragraph accept changes from the dialog?
1673 bool const accept =
1674 cur.inset().allowParagraphCustomization(cur.idx());
1675
1676 data = "update " + convert<string>(accept) + '\n' + data;
1677 bv->updateDialog("paragraph", data);
1678 break;
1679 }
1680
1681 case LFUN_ACCENT_UMLAUT:
1682 case LFUN_ACCENT_CIRCUMFLEX:
1683 case LFUN_ACCENT_GRAVE:
1684 case LFUN_ACCENT_ACUTE:
1685 case LFUN_ACCENT_TILDE:
1686 case LFUN_ACCENT_CEDILLA:
1687 case LFUN_ACCENT_MACRON:
1688 case LFUN_ACCENT_DOT:
1689 case LFUN_ACCENT_UNDERDOT:
1690 case LFUN_ACCENT_UNDERBAR:
1691 case LFUN_ACCENT_CARON:
1692 case LFUN_ACCENT_BREVE:
1693 case LFUN_ACCENT_TIE:
1694 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1695 case LFUN_ACCENT_CIRCLE:
1696 case LFUN_ACCENT_OGONEK:
1697 theLyXFunc().handleKeyFunc(cmd.action);
1698 if (!cmd.argument().empty())
1699 // FIXME: Are all these characters encoded in one byte in utf8?
1700 bv->translateAndInsert(cmd.argument()[0], this, cur);
1701 break;
1702
1703 case LFUN_FLOAT_LIST_INSERT: {
1704 DocumentClass const & tclass = bv->buffer().params().documentClass();
1705 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1706 cur.recordUndo();
1707 if (cur.selection())
1708 cutSelection(cur, true, false);
1709 breakParagraph(cur);
1710
1711 if (cur.lastpos() != 0) {
1712 cursorBackward(cur);
1713 breakParagraph(cur);
1714 }
1715
1716 docstring const laystr = cur.inset().usePlainLayout() ?
1717 tclass.plainLayoutName() :
1718 tclass.defaultLayoutName();
1719 setLayout(cur, laystr);
1720 ParagraphParameters p;
1721 // FIXME If this call were replaced with one to clearParagraphParams(),
1722 // then we could get rid of this method altogether.
1723 setParagraphs(cur, p);
1724 // FIXME This should be simplified when InsetFloatList takes a
1725 // Buffer in its constructor.
1726 InsetFloatList * ifl = new InsetFloatList(to_utf8(cmd.argument()));
1727 ifl->setBuffer(bv->buffer());
1728 insertInset(cur, ifl);
1729 cur.posForward();
1730 } else {
1731 lyxerr << "Non-existent float type: "
1732 << to_utf8(cmd.argument()) << endl;
1733 }
1734 break;
1735 }
1736
1737 case LFUN_CHANGE_ACCEPT: {
1738 acceptOrRejectChanges(cur, ACCEPT);
1739 break;
1740 }
1741
1742 case LFUN_CHANGE_REJECT: {
1743 acceptOrRejectChanges(cur, REJECT);
1744 break;
1745 }
1746
1747 case LFUN_THESAURUS_ENTRY: {
1748 docstring arg = cmd.argument();
1749 if (arg.empty()) {
1750 arg = cur.selectionAsString(false);
1751 // FIXME
1752 if (arg.size() > 100 || arg.empty()) {
1753 // Get word or selection
1754 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1755 arg = cur.selectionAsString(false);
1756 }
1757 }
1758 bv->showDialog("thesaurus", to_utf8(arg));
1759 break;
1760 }
1761
1762 case LFUN_PARAGRAPH_PARAMS_APPLY: {
1763 // Given data, an encoding of the ParagraphParameters
1764 // generated in the Paragraph dialog, this function sets
1765 // the current paragraph, or currently selected paragraphs,
1766 // appropriately.
1767 // NOTE: This function overrides all existing settings.
1768 setParagraphs(cur, cmd.argument());
1769 cur.message(_("Paragraph layout set"));
1770 break;
1771 }
1772
1773 case LFUN_PARAGRAPH_PARAMS: {
1774 // Given data, an encoding of the ParagraphParameters as we'd
1775 // find them in a LyX file, this function modifies the current paragraph,
1776 // or currently selected paragraphs.
1777 // NOTE: This function only modifies, and does not override, existing
1778 // settings.
1779 setParagraphs(cur, cmd.argument(), true);
1780 cur.message(_("Paragraph layout set"));
1781 break;
1782 }
1783
1784 case LFUN_ESCAPE:
1785 if (cur.selection()) {
1786 cur.setSelection(false);
1787 } else {
1788 cur.undispatched();
1789 // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
1790 // correct, but I'm not 100% sure -- dov, 071019
1791 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1792 }
1793 break;
1794
1795 case LFUN_OUTLINE_UP:
1796 outline(OutlineUp, cur);
1797 setCursor(cur, cur.pit(), 0);
1798 updateLabels(cur.buffer());
1799 needsUpdate = true;
1800 break;
1801
1802 case LFUN_OUTLINE_DOWN:
1803 outline(OutlineDown, cur);
1804 setCursor(cur, cur.pit(), 0);
1805 updateLabels(cur.buffer());
1806 needsUpdate = true;
1807 break;
1808
1809 case LFUN_OUTLINE_IN:
1810 outline(OutlineIn, cur);
1811 updateLabels(cur.buffer());
1812 needsUpdate = true;
1813 break;
1814
1815 case LFUN_OUTLINE_OUT:
1816 outline(OutlineOut, cur);
1817 updateLabels(cur.buffer());
1818 needsUpdate = true;
1819 break;
1820
1821 default:
1822 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
1823 cur.undispatched();
1824 break;
1825 }
1826
1827 needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1828
1829 // FIXME: The cursor flag is reset two lines below
1830 // so we need to check here if some of the LFUN did touch that.
1831 // for now only Text::erase() and Text::backspace() do that.
1832 // The plan is to verify all the LFUNs and then to remove this
1833 // singleParUpdate boolean altogether.
1834 if (cur.result().update() & Update::Force) {
1835 singleParUpdate = false;
1836 needsUpdate = true;
1837 }
1838
1839 // FIXME: the following code should go in favor of fine grained
1840 // update flag treatment.
1841 if (singleParUpdate) {
1842 // Inserting characters does not change par height in general. So, try
1843 // to update _only_ this paragraph. BufferView will detect if a full
1844 // metrics update is needed anyway.
1845 cur.updateFlags(Update::SinglePar | Update::FitCursor);
1846 return;
1847 }
1848
1849 if (!needsUpdate
1850 && &oldTopSlice.inset() == &cur.inset()
1851 && oldTopSlice.idx() == cur.idx()
1852 && !sel // sel is a backup of cur.selection() at the biginning of the function.
1853 && !cur.selection())
1854 // FIXME: it would be better if we could just do this
1855 //
1856 //if (cur.result().update() != Update::FitCursor)
1857 // cur.noUpdate();
1858 //
1859 // But some LFUNs do not set Update::FitCursor when needed, so we
1860 // do it for all. This is not very harmfull as FitCursor will provoke
1861 // a full redraw only if needed but still, a proper review of all LFUN
1862 // should be done and this needsUpdate boolean can then be removed.
1863 cur.updateFlags(Update::FitCursor);
1864 else
1865 cur.updateFlags(Update::Force | Update::FitCursor);
1866 }
1867
1868
1869 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1870 FuncStatus & flag) const
1871 {
1872 LASSERT(cur.text() == this, /**/);
1873
1874 FontInfo const & fontinfo = cur.real_current_font.fontInfo();
1875 bool enable = true;
1876 InsetCode code = NO_CODE;
1877
1878 switch (cmd.action) {
1879
1880 case LFUN_DEPTH_DECREMENT:
1881 enable = changeDepthAllowed(cur, DEC_DEPTH);
1882 break;
1883
1884 case LFUN_DEPTH_INCREMENT:
1885 enable = changeDepthAllowed(cur, INC_DEPTH);
1886 break;
1887
1888 case LFUN_APPENDIX:
1889 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1890 break;
1891
1892 case LFUN_DIALOG_SHOW_NEW_INSET:
1893 if (cmd.argument() == "bibitem")
1894 code = BIBITEM_CODE;
1895 else if (cmd.argument() == "bibtex")
1896 code = BIBTEX_CODE;
1897 else if (cmd.argument() == "box")
1898 code = BOX_CODE;
1899 else if (cmd.argument() == "branch")
1900 code = BRANCH_CODE;
1901 else if (cmd.argument() == "citation")
1902 code = CITE_CODE;
1903 else if (cmd.argument() == "ert")
1904 code = ERT_CODE;
1905 else if (cmd.argument() == "external")
1906 code = EXTERNAL_CODE;
1907 else if (cmd.argument() == "float")
1908 code = FLOAT_CODE;
1909 else if (cmd.argument() == "graphics")
1910 code = GRAPHICS_CODE;
1911 else if (cmd.argument() == "href")
1912 code = HYPERLINK_CODE;
1913 else if (cmd.argument() == "include")
1914 code = INCLUDE_CODE;
1915 else if (cmd.argument() == "index")
1916 code = INDEX_CODE;
1917 else if (cmd.argument() == "nomenclature")
1918 code = NOMENCL_CODE;
1919 else if (cmd.argument() == "label")
1920 code = LABEL_CODE;
1921 else if (cmd.argument() == "note")
1922 code = NOTE_CODE;
1923 else if (cmd.argument() == "ref")
1924 code = REF_CODE;
1925 else if (cmd.argument() == "space")
1926 code = SPACE_CODE;
1927 else if (cmd.argument() == "toc")
1928 code = TOC_CODE;
1929 else if (cmd.argument() == "vspace")
1930 code = VSPACE_CODE;
1931 else if (cmd.argument() == "wrap")
1932 code = WRAP_CODE;
1933 else if (cmd.argument() == "listings")
1934 code = LISTINGS_CODE;
1935 break;
1936
1937 case LFUN_ERT_INSERT:
1938 code = ERT_CODE;
1939 break;
1940 case LFUN_LISTING_INSERT:
1941 code = LISTINGS_CODE;
1942 // not allowed in description items
1943 enable = !inDescriptionItem(cur);
1944 break;
1945 case LFUN_FOOTNOTE_INSERT:
1946 code = FOOT_CODE;
1947 break;
1948 case LFUN_TABULAR_INSERT:
1949 code = TABULAR_CODE;
1950 break;
1951 case LFUN_MARGINALNOTE_INSERT:
1952 code = MARGIN_CODE;
1953 break;
1954 case LFUN_FLOAT_INSERT:
1955 case LFUN_FLOAT_WIDE_INSERT:
1956 code = FLOAT_CODE;
1957 // not allowed in description items
1958 enable = !inDescriptionItem(cur);
1959 break;
1960 case LFUN_WRAP_INSERT:
1961 code = WRAP_CODE;
1962 // not allowed in description items
1963 enable = !inDescriptionItem(cur);
1964 break;
1965 case LFUN_FLOAT_LIST_INSERT:
1966 code = FLOAT_LIST_CODE;
1967 break;
1968 case LFUN_CAPTION_INSERT:
1969 code = CAPTION_CODE;
1970 // not allowed in description items
1971 enable = !inDescriptionItem(cur);
1972 break;
1973 case LFUN_NOTE_INSERT:
1974 code = NOTE_CODE;
1975 // in commands (sections etc.) and description items,
1976 // only Notes are allowed
1977 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
1978 (!cur.paragraph().layout().isCommand()
1979 && !inDescriptionItem(cur)));
1980 break;
1981 case LFUN_FLEX_INSERT: {
1982 code = FLEX_CODE;
1983 string s = cmd.getArg(0);
1984 InsetLayout il =
1985 cur.buffer().params().documentClass().insetLayout(from_utf8(s));
1986 if (il.lyxtype() != "charstyle" &&
1987 il.lyxtype() != "custom" &&
1988 il.lyxtype() != "element" &&
1989 il.lyxtype ()!= "standard")
1990 enable = false;
1991 break;
1992 }
1993 case LFUN_BOX_INSERT:
1994 code = BOX_CODE;
1995 break;
1996 case LFUN_BRANCH_INSERT:
1997 code = BRANCH_CODE;
1998 if (cur.buffer().masterBuffer()->params().branchlist().empty())
1999 enable = false;
2000 break;
2001 case LFUN_LABEL_INSERT:
2002 code = LABEL_CODE;
2003 break;
2004 case LFUN_INFO_INSERT:
2005 code = INFO_CODE;
2006 break;
2007 case LFUN_OPTIONAL_INSERT:
2008 code = OPTARG_CODE;
2009 enable = cur.paragraph().insetList().count(OPTARG_CODE)
2010 < cur.paragraph().layout().optionalargs;
2011 break;
2012 case LFUN_INDEX_INSERT:
2013 code = INDEX_CODE;
2014 break;
2015 case LFUN_INDEX_PRINT:
2016 code = INDEX_PRINT_CODE;
2017 break;
2018 case LFUN_NOMENCL_INSERT:
2019 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2020 enable = false;
2021 break;
2022 }
2023 code = NOMENCL_CODE;
2024 break;
2025 case LFUN_NOMENCL_PRINT:
2026 code = NOMENCL_PRINT_CODE;
2027 break;
2028 case LFUN_TOC_INSERT:
2029 code = TOC_CODE;
2030 break;
2031 case LFUN_HYPERLINK_INSERT:
2032 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2033 enable = false;
2034 break;
2035 }
2036 code = HYPERLINK_CODE;
2037 break;
2038 case LFUN_QUOTE_INSERT:
2039 // always allow this, since we will inset a raw quote
2040 // if an inset is not allowed.
2041 break;
2042 case LFUN_SPECIALCHAR_INSERT:
2043 code = SPECIALCHAR_CODE;
2044 break;
2045 case LFUN_SPACE_INSERT:
2046 // slight hack: we know this is allowed in math mode
2047 if (cur.inTexted())
2048 code = SPACE_CODE;
2049 break;
2050
2051 case LFUN_INSET_MODIFY:
2052 // We need to disable this, because we may get called for a
2053 // tabular cell via
2054 // InsetTabular::getStatus() -> InsetText::getStatus()
2055 // and we don't handle LFUN_INSET_MODIFY.
2056 enable = false;
2057 break;
2058
2059 case LFUN_FONT_EMPH:
2060 flag.setOnOff(fontinfo.emph() == FONT_ON);
2061 break;
2062
2063 case LFUN_FONT_NOUN:
2064 flag.setOnOff(fontinfo.noun() == FONT_ON);
2065 break;
2066
2067 case LFUN_FONT_BOLD:
2068 case LFUN_FONT_BOLDSYMBOL:
2069 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2070 break;
2071
2072 case LFUN_FONT_SANS:
2073 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2074 break;
2075
2076 case LFUN_FONT_ROMAN:
2077 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2078 break;
2079
2080 case LFUN_FONT_TYPEWRITER:
2081 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2082 break;
2083
2084 case LFUN_CUT:
2085 case LFUN_COPY:
2086 enable = cur.selection();
2087 break;
2088
2089 case LFUN_PASTE: {
2090 if (cmd.argument().empty()) {
2091 if (theClipboard().isInternal())
2092 enable = cap::numberOfSelections() > 0;
2093 else
2094 enable = !theClipboard().empty();
2095 break;
2096 }
2097
2098 // we have an argument
2099 string const arg = to_utf8(cmd.argument());
2100 if (isStrUnsignedInt(arg)) {
2101 // it's a number and therefore means the internal stack
2102 unsigned int n = convert<unsigned int>(arg);
2103 enable = cap::numberOfSelections() > n;
2104 break;
2105 }
2106
2107 // explicit graphics type?
2108 if ((arg == "pdf" && theClipboard().hasGraphicsContents(Clipboard::PdfGraphicsType))
2109 || (arg == "png" && theClipboard().hasGraphicsContents(Clipboard::PngGraphicsType))
2110 || (arg == "jpeg" && theClipboard().hasGraphicsContents(Clipboard::JpegGraphicsType))
2111 || (arg == "linkback" && theClipboard().hasGraphicsContents(Clipboard::LinkBackGraphicsType))) {
2112 enable = true;
2113 break;
2114 }
2115
2116 // unknown argument
2117 enable = false;
2118 break;
2119 }
2120
2121 case LFUN_CLIPBOARD_PASTE:
2122 enable = !theClipboard().empty();
2123 break;
2124
2125 case LFUN_PRIMARY_SELECTION_PASTE:
2126 enable = cur.selection() || !theSelection().empty();
2127 break;
2128
2129 case LFUN_PARAGRAPH_MOVE_UP:
2130 enable = cur.pit() > 0 && !cur.selection();
2131 break;
2132
2133 case LFUN_PARAGRAPH_MOVE_DOWN:
2134 enable = cur.pit() < cur.lastpit() && !cur.selection();
2135 break;
2136
2137 case LFUN_INSET_DISSOLVE:
2138 if (!cmd.argument().empty()) {
2139 InsetLayout il = cur.inset().getLayout(cur.buffer().params());
2140 enable = cur.inset().lyxCode() == FLEX_CODE
2141 && il.lyxtype() == to_utf8(cmd.argument());
2142 } else {
2143 enable = !isMainText(cur.bv().buffer())
2144 && cur.inset().nargs() == 1;
2145 }
2146 break;
2147
2148 case LFUN_CHANGE_ACCEPT:
2149 case LFUN_CHANGE_REJECT:
2150 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2151 // In principle, these LFUNs should only be enabled if there
2152 // is a change at the current position/in the current selection.
2153 // However, without proper optimizations, this will inevitably
2154 // result in unacceptable performance - just imagine a user who
2155 // wants to select the complete content of a long document.
2156 enable = true;
2157 break;
2158
2159 case LFUN_OUTLINE_UP:
2160 case LFUN_OUTLINE_DOWN:
2161 case LFUN_OUTLINE_IN:
2162 case LFUN_OUTLINE_OUT:
2163 // FIXME: LyX is not ready for outlining within inset.
2164 enable = isMainText(cur.bv().buffer())
2165 && cur.paragraph().layout().toclevel != Layout::NOT_IN_TOC;
2166 break;
2167
2168 case LFUN_NEWLINE_INSERT:
2169 // LaTeX restrictions (labels or empty par)
2170 enable = (cur.pos() > cur.paragraph().beginOfBody());
2171 break;
2172
2173 case LFUN_SET_GRAPHICS_GROUP: {
2174 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2175 if (!ins)
2176 enable = false;
2177 else
2178 flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2179 break;
2180 }
2181
2182 case LFUN_NEWPAGE_INSERT:
2183 // not allowed in description items
2184 enable = !inDescriptionItem(cur);
2185 break;
2186
2187 case LFUN_WORD_DELETE_FORWARD:
2188 case LFUN_WORD_DELETE_BACKWARD:
2189 case LFUN_LINE_DELETE:
2190 case LFUN_WORD_FORWARD:
2191 case LFUN_WORD_BACKWARD:
2192 case LFUN_WORD_RIGHT:
2193 case LFUN_WORD_LEFT:
2194 case LFUN_CHAR_FORWARD:
2195 case LFUN_CHAR_FORWARD_SELECT:
2196 case LFUN_CHAR_BACKWARD:
2197 case LFUN_CHAR_BACKWARD_SELECT:
2198 case LFUN_CHAR_LEFT:
2199 case LFUN_CHAR_LEFT_SELECT:
2200 case LFUN_CHAR_RIGHT:
2201 case LFUN_CHAR_RIGHT_SELECT:
2202 case LFUN_UP:
2203 case LFUN_UP_SELECT:
2204 case LFUN_DOWN:
2205 case LFUN_DOWN_SELECT:
2206 case LFUN_PARAGRAPH_UP_SELECT:
2207 case LFUN_PARAGRAPH_DOWN_SELECT:
2208 case LFUN_LINE_BEGIN_SELECT:
2209 case LFUN_LINE_END_SELECT:
2210 case LFUN_WORD_FORWARD_SELECT:
2211 case LFUN_WORD_BACKWARD_SELECT:
2212 case LFUN_WORD_RIGHT_SELECT:
2213 case LFUN_WORD_LEFT_SELECT:
2214 case LFUN_WORD_SELECT:
2215 case LFUN_PARAGRAPH_UP:
2216 case LFUN_PARAGRAPH_DOWN:
2217 case LFUN_LINE_BEGIN:
2218 case LFUN_LINE_END:
2219 case LFUN_CHAR_DELETE_FORWARD:
2220 case LFUN_CHAR_DELETE_BACKWARD:
2221 case LFUN_BREAK_PARAGRAPH:
2222 case LFUN_PARAGRAPH_SPACING:
2223 case LFUN_INSET_INSERT:
2224 case LFUN_WORD_UPCASE:
2225 case LFUN_WORD_LOWCASE:
2226 case LFUN_WORD_CAPITALIZE:
2227 case LFUN_CHARS_TRANSPOSE:
2228 case LFUN_SERVER_GET_XY:
2229 case LFUN_SERVER_SET_XY:
2230 case LFUN_SERVER_GET_LAYOUT:
2231 case LFUN_LAYOUT:
2232 case LFUN_DATE_INSERT:
2233 case LFUN_SELF_INSERT:
2234 case LFUN_LINE_INSERT:
2235 case LFUN_MATH_DISPLAY:
2236 case LFUN_MATH_MODE:
2237 case LFUN_MATH_MACRO:
2238 case LFUN_MATH_MATRIX:
2239 case LFUN_MATH_DELIM:
2240 case LFUN_MATH_BIGDELIM:
2241 case LFUN_MATH_INSERT:
2242 case LFUN_MATH_SUBSCRIPT:
2243 case LFUN_MATH_SUPERSCRIPT:
2244 case LFUN_FONT_DEFAULT:
2245 case LFUN_FONT_UNDERLINE:
2246 case LFUN_FONT_SIZE:
2247 case LFUN_LANGUAGE:
2248 case LFUN_TEXTSTYLE_APPLY:
2249 case LFUN_TEXTSTYLE_UPDATE:
2250 case LFUN_LAYOUT_PARAGRAPH:
2251 case LFUN_PARAGRAPH_UPDATE:
2252 case LFUN_ACCENT_UMLAUT:
2253 case LFUN_ACCENT_CIRCUMFLEX:
2254 case LFUN_ACCENT_GRAVE:
2255 case LFUN_ACCENT_ACUTE:
2256 case LFUN_ACCENT_TILDE:
2257 case LFUN_ACCENT_CEDILLA:
2258 case LFUN_ACCENT_MACRON:
2259 case LFUN_ACCENT_DOT:
2260 case LFUN_ACCENT_UNDERDOT:
2261 case LFUN_ACCENT_UNDERBAR:
2262 case LFUN_ACCENT_CARON:
2263 case LFUN_ACCENT_BREVE:
2264 case LFUN_ACCENT_TIE:
2265 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2266 case LFUN_ACCENT_CIRCLE:
2267 case LFUN_ACCENT_OGONEK:
2268 case LFUN_THESAURUS_ENTRY:
2269 case LFUN_PARAGRAPH_PARAMS_APPLY:
2270 case LFUN_PARAGRAPH_PARAMS:
2271 case LFUN_ESCAPE:
2272 case LFUN_BUFFER_END:
2273 case LFUN_BUFFER_BEGIN:
2274 case LFUN_BUFFER_BEGIN_SELECT:
2275 case LFUN_BUFFER_END_SELECT:
2276 case LFUN_UNICODE_INSERT:
2277 // these are handled in our dispatch()
2278 enable = true;
2279 break;
2280
2281 default:
2282 return false;
2283 }
2284
2285 if (code != NO_CODE
2286 && (cur.empty() || !cur.inset().insetAllowed(code)))
2287 enable = false;
2288
2289 flag.setEnabled(enable);
2290 return true;
2291 }
2292
2293
2294 void Text::pasteString(Cursor & cur, docstring const & clip,
2295 bool asParagraphs)
2296 {
2297 cur.clearSelection();
2298 if (!clip.empty()) {
2299 cur.recordUndo();
2300 if (asParagraphs)
2301 insertStringAsParagraphs(cur, clip);
2302 else
2303 insertStringAsLines(cur, clip);
2304 }
2305 }
2306
2307
2308 // FIXME: an item inset would make things much easier.
2309 bool Text::inDescriptionItem(Cursor & cur) const
2310 {
2311 Paragraph & par = cur.paragraph();
2312 pos_type const pos = cur.pos();
2313 pos_type const body_pos = par.beginOfBody();
2314
2315 if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
2316 && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
2317 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
2318 return false;
2319
2320 return (pos < body_pos
2321 || (pos == body_pos
2322 && (pos == 0 || par.getChar(pos - 1) != ' ')));
2323 }
2324
2325 } // namespace lyx
LyX document processor (git-svn mirror) - obsolete