]> git.lyx.org Git - lyx.git/blob - src/BufferView_pimpl.C
Fix crash when running lyx -dbg insets -e ...
[lyx.git] / src / BufferView_pimpl.C
1 #include <config.h>
2
3 #include <ctime>
4 #include <unistd.h>
5 #include <sys/wait.h>
6 #include <locale.h>
7
8 #ifdef __GNUG__
9 #pragma implementation
10 #endif
11
12 #include "BufferView_pimpl.h"
13 #include "WorkArea.h"
14 #include "lyxscreen.h"
15 #include "lyxtext.h"
16 #include "lyxrow.h"
17 #include "LyXView.h"
18 #include "commandtags.h"
19 #include "lyxfunc.h"
20 #include "font.h"
21 #include "bufferview_funcs.h"
22 #include "TextCache.h"
23 #include "bufferlist.h"
24 #include "lyx_gui_misc.h"
25 #include "lyxrc.h"
26 #include "intl.h"
27 #include "support/LAssert.h"
28 #include "frontends/Dialogs.h"
29 #include "insets/insetbib.h"
30 #include "insets/insettext.h"
31 /// added for Dispatch functions
32 #include "lyx_cb.h"
33 #include "frontends/FileDialog.h"
34 #include "lyx_main.h"
35 #include "FloatList.h"
36 #include "support/filetools.h"
37 #include "support/lyxfunctional.h"
38 #include "insets/inseturl.h"
39 #include "insets/insetlatexaccent.h"
40 #include "insets/insettoc.h"
41 #include "insets/insetref.h"
42 #include "insets/insetparent.h"
43 #include "insets/insetindex.h"
44 #include "insets/insetinfo.h"
45 #include "insets/insetinclude.h"
46 #include "insets/insetcite.h"
47 #include "insets/insetert.h"
48 #include "insets/insetexternal.h"
49 #include "insets/insetgraphics.h"
50 #include "insets/insetfoot.h"
51 #include "insets/insetmarginal.h"
52 #include "insets/insetminipage.h"
53 #include "insets/insetfloat.h"
54 #include "insets/insetlist.h"
55 #include "insets/insettabular.h"
56 #include "insets/insettheorem.h"
57 #include "insets/insetcaption.h"
58 #include "insets/insetfloatlist.h"
59 #include "insets/insetspecialchar.h"
60 #include "gettext.h"
61 #include "ParagraphParameters.h"
62 #include "undo_funcs.h"
63 #include "mathed/formulabase.h"
64
65 extern LyXTextClass::size_type current_layout;
66 extern int greek_kb_flag;
67
68 using std::vector;
69 using std::find_if;
70 using std::find;
71 using std::pair;
72 using std::endl;
73 using std::make_pair;
74 using std::min;
75 using SigC::slot;
76
77 /* the selection possible is needed, that only motion events are 
78  * used, where the bottom press event was on the drawing area too */
79 bool selection_possible = false;
80
81 extern BufferList bufferlist;
82 extern char ascii_type;
83
84 extern bool math_insert_greek(BufferView *, char);
85 extern void sigchldchecker(pid_t pid, int * status);
86 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
87
88
89 namespace {
90
91 const unsigned int saved_positions_num = 20;
92
93 inline
94 void waitForX()
95 {
96         XSync(fl_get_display(), 0);
97 }
98
99
100 void SetXtermCursor(Window win)
101 {
102         static Cursor cursor;
103         static bool cursor_undefined = true;
104         if (cursor_undefined){
105                 cursor = XCreateFontCursor(fl_get_display(), XC_xterm);
106                 XFlush(fl_get_display());
107                 cursor_undefined = false;
108         }
109         XDefineCursor(fl_get_display(), win, cursor);
110         XFlush(fl_get_display());
111 }
112
113 } // anon namespace
114
115
116 BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
117              int xpos, int ypos, int width, int height)
118         : bv_(b), owner_(o), buffer_(0),
119           current_scrollbar_value(0), cursor_timeout(400),
120           workarea_(xpos, ypos, width, height), using_xterm_cursor(false),
121           inset_slept(false)
122 {
123         // Setup the signals
124         workarea_.scrollCB.connect(slot(this, &BufferView::Pimpl::scrollCB));
125         workarea_.workAreaExpose
126                 .connect(slot(this, &BufferView::Pimpl::workAreaExpose));
127         workarea_.workAreaEnter
128                 .connect(slot(this, &BufferView::Pimpl::enterView));
129         workarea_.workAreaLeave
130                 .connect(slot(this, &BufferView::Pimpl::leaveView));
131         workarea_.workAreaButtonPress
132                 .connect(slot(this, &BufferView::Pimpl::workAreaButtonPress));
133         workarea_.workAreaButtonRelease
134                 .connect(slot(this,
135                               &BufferView::Pimpl::workAreaButtonRelease));
136         workarea_.workAreaMotionNotify
137                 .connect(slot(this, &BufferView::Pimpl::workAreaMotionNotify));
138         workarea_.workAreaDoubleClick
139                 .connect(slot(this, &BufferView::Pimpl::doubleClick));
140         workarea_.workAreaTripleClick
141                 .connect(slot(this, &BufferView::Pimpl::tripleClick));
142         workarea_.workAreaKeyPress
143                 .connect(slot(this, &BufferView::Pimpl::workAreaKeyPress));
144         
145         cursor_timeout.timeout.connect(slot(this,
146                                             &BufferView::Pimpl::cursorToggle));
147         cursor_timeout.start();
148         workarea_.setFocus();
149         saved_positions.resize(saved_positions_num);
150 }
151
152
153 Painter & BufferView::Pimpl::painter() 
154 {
155         return workarea_.getPainter();
156 }
157
158
159 void BufferView::Pimpl::buffer(Buffer * b)
160 {
161         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
162                             << b << ")" << endl;
163         if (buffer_) {
164                 insetSleep();
165                 buffer_->delUser(bv_);
166
167                 // Put the old text into the TextCache, but
168                 // only if the buffer is still loaded.
169                 // Also set the owner of the test to 0
170                 //              bv_->text->owner(0);
171                 textcache.add(buffer_, workarea_.workWidth(), bv_->text);
172                 if (lyxerr.debugging())
173                         textcache.show(lyxerr, "BufferView::buffer");
174                 
175                 bv_->text = 0;
176         }
177
178         // Set current buffer
179         buffer_ = b;
180
181         if (bufferlist.getState() == BufferList::CLOSING) return;
182         
183         // Nuke old image
184         // screen is always deleted when the buffer is changed.
185         screen_.reset(0);
186
187         // If we are closing the buffer, use the first buffer as current
188         if (!buffer_) {
189                 buffer_ = bufferlist.first();
190         }
191
192         if (buffer_) {
193                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
194                 buffer_->addUser(bv_);
195                 // If we don't have a text object for this, we make one
196                 if (bv_->text == 0) {
197                         resizeCurrentBuffer();
198                 } else {
199                         updateScreen();
200                         updateScrollbar();
201                 }
202                 bv_->text->first = screen_->topCursorVisible(bv_->text);
203                 owner_->updateMenubar();
204                 owner_->updateToolbar();
205                 // Similarly, buffer-dependent dialogs should be updated or
206                 // hidden. This should go here because some dialogs (eg ToC)
207                 // require bv_->text.
208                 owner_->getDialogs()->updateBufferDependent(true);
209                 redraw();
210                 insetWakeup();
211         } else {
212                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
213                 owner_->updateMenubar();
214                 owner_->updateToolbar();
215                 owner_->getDialogs()->hideBufferDependent();
216                 updateScrollbar();
217                 workarea_.redraw();
218
219                 // Also remove all remaining text's from the testcache.
220                 // (there should not be any!) (if there is any it is a
221                 // bug!)
222                 if (lyxerr.debugging())
223                         textcache.show(lyxerr, "buffer delete all");
224                 textcache.clear();
225         }
226         // should update layoutchoice even if we don't have a buffer.
227         owner_->updateLayoutChoice();
228
229         owner_->updateWindowTitle();
230 }
231
232
233 void BufferView::Pimpl::resize(int xpos, int ypos, int width, int height)
234 {
235         workarea_.resize(xpos, ypos, width, height);
236         update(bv_->text, SELECT);
237         redraw();
238 }
239
240
241 void BufferView::Pimpl::resize()
242 {
243         if (buffer_)
244                 resizeCurrentBuffer();
245 }
246
247
248 void BufferView::Pimpl::redraw()
249 {
250         lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
251         workarea_.redraw();
252 }
253
254
255 bool BufferView::Pimpl::fitCursor(LyXText * text)
256 {
257         lyx::Assert(screen_.get());
258
259         bv_->owner()->getDialogs()->updateParagraph();
260
261         bool const ret = screen_->fitCursor(text, bv_);
262         if (ret)
263             updateScrollbar();
264         return ret;
265 }
266
267
268 void BufferView::Pimpl::redoCurrentBuffer()
269 {
270         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
271         if (buffer_ && bv_->text) {
272                 resize();
273                 owner_->updateLayoutChoice();
274         }
275 }
276
277
278 int BufferView::Pimpl::resizeCurrentBuffer()
279 {
280         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
281         
282         Paragraph * par = 0;
283         Paragraph * selstartpar = 0;
284         Paragraph * selendpar = 0;
285         UpdatableInset * the_locking_inset = 0;
286         
287         Paragraph::size_type pos = 0;
288         Paragraph::size_type selstartpos = 0;
289         Paragraph::size_type selendpos = 0;
290         bool selection = false;
291         bool mark_set  = false;
292
293         owner_->prohibitInput();
294
295         owner_->message(_("Formatting document..."));
296
297         if (bv_->text) {
298                 par = bv_->text->cursor.par();
299                 pos = bv_->text->cursor.pos();
300                 selstartpar = bv_->text->selection.start.par();
301                 selstartpos = bv_->text->selection.start.pos();
302                 selendpar = bv_->text->selection.end.par();
303                 selendpos = bv_->text->selection.end.pos();
304                 selection = bv_->text->selection.set();
305                 mark_set = bv_->text->selection.mark();
306                 the_locking_inset = bv_->theLockingInset();
307                 delete bv_->text;
308                 bv_->text = new LyXText(bv_);
309                 bv_->text->init(bv_);
310         } else {
311                 // See if we have a text in TextCache that fits
312                 // the new buffer_ with the correct width.
313                 bv_->text = textcache.findFit(buffer_, workarea_.workWidth());
314                 if (bv_->text) {
315                         if (lyxerr.debugging()) {
316                                 lyxerr << "Found a LyXText that fits:\n";
317                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_.workWidth(), bv_->text)));
318                         }
319                         // Set the owner of the newly found text
320                         //      bv_->text->owner(bv_);
321                         if (lyxerr.debugging())
322                                 textcache.show(lyxerr, "resizeCurrentBuffer");
323                 } else {
324                         bv_->text = new LyXText(bv_);
325                         bv_->text->init(bv_);
326                 }
327         }
328         updateScreen();
329
330         if (par) {
331                 bv_->text->selection.set(true);
332                 /* at this point just to avoid the Delete-Empty-Paragraph
333                  * Mechanism when setting the cursor */
334                 bv_->text->selection.mark(mark_set);
335                 if (selection) {
336                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
337                         bv_->text->selection.cursor = bv_->text->cursor;
338                         bv_->text->setCursor(bv_, selendpar, selendpos);
339                         bv_->text->setSelection(bv_);
340                         bv_->text->setCursor(bv_, par, pos);
341                 } else {
342                         bv_->text->setCursor(bv_, par, pos);
343                         bv_->text->selection.cursor = bv_->text->cursor;
344                         bv_->text->selection.set(false);
345                 }
346                 // remake the inset locking
347                 bv_->theLockingInset(the_locking_inset);
348         }
349         bv_->text->first = screen_->topCursorVisible(bv_->text);
350         buffer_->resizeInsets(bv_);
351         // this will scroll the screen such that the cursor becomes visible
352         updateScrollbar();
353         redraw();
354
355         setState();
356         owner_->allowInput();
357
358         /// clear the "Formatting Document" message 
359         owner_->message("");
360  
361         /// get rid of the splash screen if it's not gone already
362         owner_->getDialogs()->destroySplash();
363  
364         return 0;
365 }
366
367
368 void BufferView::Pimpl::updateScreen()
369 {
370         // Regenerate the screen.
371         screen_.reset(new LyXScreen(workarea_));
372 }
373
374
375 void BufferView::Pimpl::updateScrollbar()
376 {
377         /* If the text is smaller than the working area, the scrollbar
378          * maximum must be the working area height. No scrolling will 
379          * be possible */
380
381         if (!bv_->text) {
382                 workarea_.setScrollbar(0, 1.0);
383                 return;
384         }
385
386         long const text_height = bv_->text->height;
387
388         double const lineh = bv_->text->defaultHeight();
389         double const slider_size = 1.0 / double(text_height);
390
391         static long old_text_height;
392         static double old_lineh;
393         static double old_slider_size;
394
395         if (text_height != old_text_height) {
396                 workarea_.setScrollbarBounds(0, text_height - workarea_.height());
397                 old_text_height = text_height;
398         }
399         if (lineh != old_lineh) {
400                 workarea_.setScrollbarIncrements(lineh);
401                 old_lineh = lineh;
402         }
403         if (current_scrollbar_value != bv_->text->first
404             || slider_size != old_slider_size) {
405                 current_scrollbar_value = bv_->text->first;
406                 workarea_.setScrollbar(current_scrollbar_value, slider_size);
407                 old_slider_size = slider_size;
408         }
409 }
410
411
412 // Callback for scrollbar slider
413 void BufferView::Pimpl::scrollCB(double value)
414 {
415         if (!buffer_) return;
416
417         current_scrollbar_value = long(value);
418         if (current_scrollbar_value < 0)
419                 current_scrollbar_value = 0;
420    
421         if (!screen_.get())
422                 return;
423
424         screen_->draw(bv_->text, bv_, current_scrollbar_value);
425
426         if (!lyxrc.cursor_follows_scrollbar) {
427                 waitForX();
428                 return;
429         }
430  
431         LyXText * vbt = bv_->text;
432  
433         int const height = vbt->defaultHeight();
434         int const first = static_cast<int>((bv_->text->first + height));
435         int const last = static_cast<int>((bv_->text->first + workarea_.height() - height));
436
437         if (vbt->cursor.y() < first)
438                 vbt->setCursorFromCoordinates(bv_, 0, first);
439         else if (vbt->cursor.y() > last)
440                 vbt->setCursorFromCoordinates(bv_, 0, last);
441
442         waitForX();
443 }
444
445
446 int BufferView::Pimpl::scrollUp(long time)
447 {
448         if (!buffer_) return 0;
449         if (!screen_.get()) return 0;
450    
451         double value = workarea_.getScrollbarValue();
452    
453         if (value == 0) return 0;
454
455         float add_value =  (bv_->text->defaultHeight()
456                             + float(time) * float(time) * 0.125);
457    
458         if (add_value > workarea_.height())
459                 add_value = float(workarea_.height() -
460                                   bv_->text->defaultHeight());
461    
462         value -= add_value;
463
464         if (value < 0)
465                 value = 0;
466    
467         workarea_.setScrollbarValue(value);
468    
469         scrollCB(value); 
470         return 0;
471 }
472
473
474 int BufferView::Pimpl::scrollDown(long time)
475 {
476         if (!buffer_) return 0;
477         if (!screen_.get()) return 0;
478    
479         double value = workarea_.getScrollbarValue();
480         pair<float, float> p = workarea_.getScrollbarBounds();
481         double const max = p.second;
482         
483         if (value == max) return 0;
484
485         float add_value =  (bv_->text->defaultHeight()
486                             + float(time) * float(time) * 0.125);
487    
488         if (add_value > workarea_.height())
489                 add_value = float(workarea_.height() -
490                                   bv_->text->defaultHeight());
491    
492         value += add_value;
493    
494         if (value > max)
495                 value = max;
496
497         workarea_.setScrollbarValue(value);
498         
499         scrollCB(value); 
500         return 0;
501 }
502
503
504 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
505 {
506         bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
507 }
508
509
510 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
511 {
512         // Only use motion with button 1
513         if (!(state & Button1MotionMask))
514                 return;
515
516         if (!buffer_ || !screen_.get()) return;
517
518         // Check for inset locking
519         if (bv_->theLockingInset()) {
520                 LyXCursor cursor = bv_->text->cursor;
521                 LyXFont font = bv_->text->getFont(buffer_,
522                                                   cursor.par(), cursor.pos());
523                 int width = bv_->theLockingInset()->width(bv_, font);
524                 int inset_x = font.isVisibleRightToLeft()
525                         ? cursor.x() - width : cursor.x();
526                 int start_x = inset_x + bv_->theLockingInset()->scroll();
527                 bv_->theLockingInset()->
528                         insetMotionNotify(bv_,
529                                           x - start_x,
530                                           y - cursor.y() + bv_->text->first,
531                                           state);
532                 return;
533         }
534    
535         /* The test for not selection possible is needed, that only motion
536            events are used, where the bottom press event was on
537            the drawing area too */
538         if (!selection_possible)
539                 return;
540  
541         screen_->hideCursor();
542
543         bv_->text->setCursorFromCoordinates(bv_, x, y + bv_->text->first);
544       
545         if (!bv_->text->selection.set())
546                 update(bv_->text, BufferView::UPDATE); // Maybe an empty line was deleted
547       
548         bv_->text->setSelection(bv_);
549         screen_->toggleToggle(bv_->text, bv_);
550         fitCursor(bv_->text);
551         screen_->showCursor(bv_->text, bv_);
552 }
553
554
555 // Single-click on work area
556 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
557                                             unsigned int button)
558 {
559         if (!buffer_ || !screen_.get()) return;
560
561         Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos, button);
562
563         // ok ok, this is a hack.
564         if (button == 4 || button == 5) {
565                 switch (button) {
566                 case 4:
567                         scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
568                         break;
569                 case 5:
570                         scrollDown(lyxrc.wheel_jump);
571                         break;
572                 }
573         }
574         
575         if (bv_->theLockingInset()) {
576                 // We are in inset locking mode
577                 
578                 /* Check whether the inset was hit. If not reset mode,
579                    otherwise give the event to the inset */
580                 if (inset_hit == bv_->theLockingInset()) {
581                         bv_->theLockingInset()->
582                                 insetButtonPress(bv_,
583                                                  xpos, ypos,
584                                                  button);
585                         return;
586                 } else {
587                         bv_->unlockInset(bv_->theLockingInset());
588                 }
589         }
590         
591         if (!inset_hit)
592                 selection_possible = true;
593         screen_->hideCursor();
594
595         int const screen_first = bv_->text->first;
596         
597         // Middle button press pastes if we have a selection
598         bool paste_internally = false;
599         if (button == 2
600             && bv_->text->selection.set()) {
601                 owner_->getLyXFunc()->dispatch(LFUN_COPY);
602                 paste_internally = true;
603         }
604         
605         // Clear the selection
606         screen_->toggleSelection(bv_->text, bv_);
607         bv_->text->clearSelection(bv_);
608         bv_->text->fullRebreak(bv_);
609         screen_->update(bv_->text, bv_);
610         updateScrollbar();
611         
612         // Single left click in math inset?
613         if ((inset_hit != 0) &&
614             (inset_hit->editable()==Inset::HIGHLY_EDITABLE)) {
615                 // Highly editable inset, like math
616                 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
617                 selection_possible = false;
618                 owner_->updateLayoutChoice();
619                 owner_->message(inset->editMessage());
620                 inset->insetButtonPress(bv_, xpos, ypos, button);
621                 inset->edit(bv_, xpos, ypos, button);
622                 return;
623         } 
624         
625         // Right click on a footnote flag opens float menu
626         if (button == 3) { 
627                 selection_possible = false;
628                 return;
629         }
630         
631         if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
632                 bv_->text->setCursorFromCoordinates(bv_, xpos, ypos + screen_first);
633         finishUndo();
634         bv_->text->selection.cursor = bv_->text->cursor;
635         bv_->text->cursor.x_fix(bv_->text->cursor.x());
636         
637         owner_->updateLayoutChoice();
638         if (fitCursor(bv_->text)) {
639                 selection_possible = false;
640         }
641         
642         // Insert primary selection with middle mouse
643         // if there is a local selection in the current buffer,
644         // insert this
645         if (button == 2) {
646                 if (paste_internally)
647                         owner_->getLyXFunc()->dispatch(LFUN_PASTE);
648                 else
649                         owner_->getLyXFunc()->dispatch(LFUN_PASTESELECTION,
650                                                        "paragraph");
651                 selection_possible = false;
652                 return;
653         }
654 }
655
656
657 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button) 
658 {
659         // select a word
660         if (!buffer_)
661             return;
662
663         LyXText * text = bv_->getLyXText();
664
665         if (text->bv_owner && bv_->theLockingInset())
666             return;
667
668         if (screen_.get() && button == 1) {
669             if (text->bv_owner) {
670                 screen_->hideCursor();
671                 screen_->toggleSelection(text, bv_);
672                 text->selectWord(bv_);
673                 screen_->toggleSelection(text, bv_, false);
674             } else {
675                 text->selectWord(bv_);
676             }
677             /* This will fit the cursor on the screen
678              * if necessary */
679             update(text, BufferView::SELECT|BufferView::FITCUR);
680         }
681 }
682
683
684 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
685 {
686         // select a line
687         if (buffer_)
688                 return;
689
690         LyXText * text = bv_->getLyXText();
691
692         if (text->bv_owner && bv_->theLockingInset())
693             return;
694
695         if (screen_.get() && (button == 1)) {
696                 screen_->hideCursor();
697                 screen_->toggleSelection(text, bv_);
698                 text->cursorHome(bv_);
699                 text->selection.cursor = text->cursor;
700                 text->cursorEnd(bv_);
701                 text->setSelection(bv_);
702                 screen_->toggleSelection(text, bv_, false);
703                 /* This will fit the cursor on the screen
704                  * if necessary */
705                 update(text, BufferView::SELECT|BufferView::FITCUR);
706         }
707 }
708
709
710 void BufferView::Pimpl::enterView()
711 {
712         if (active() && available()) {
713                 SetXtermCursor(workarea_.getWin());
714                 using_xterm_cursor = true;
715         }
716 }
717
718
719 void BufferView::Pimpl::leaveView()
720 {
721         if (using_xterm_cursor) {
722                 XUndefineCursor(fl_get_display(), workarea_.getWin());
723                 using_xterm_cursor = false;
724         }
725 }
726
727
728 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
729                                               unsigned int button)
730 {
731         if (!buffer_ || !screen_.get()) return;
732
733         // If we hit an inset, we have the inset coordinates in these
734         // and inset_hit points to the inset.  If we do not hit an
735         // inset, inset_hit is 0, and inset_x == x, inset_y == y.
736         Inset * inset_hit = checkInsetHit(bv_->text, x, y, button);
737
738         if (bv_->theLockingInset()) {
739                 // We are in inset locking mode.
740
741                 /* LyX does a kind of work-area grabbing for insets.
742                    Only a ButtonPress Event outside the inset will 
743                    force a insetUnlock. */
744                 bv_->theLockingInset()->
745                         insetButtonRelease(bv_, x, y, button);
746                 return;
747         }
748         
749         selection_possible = false;
750         
751         if (button == 2)
752                 return;
753
754         setState();
755         owner_->showState();
756
757         // Did we hit an editable inset?
758         if (inset_hit) {
759                 // Inset like error, notes and figures
760                 selection_possible = false;
761
762                 // CHECK fix this proper in 0.13
763
764                 // Following a ref shouldn't issue
765                 // a push on the undo-stack
766                 // anylonger, now that we have
767                 // keybindings for following
768                 // references and returning from
769                 // references.  IMHO though, it
770                 // should be the inset's own business
771                 // to push or not push on the undo
772                 // stack. They don't *have* to
773                 // alter the document...
774                 // (Joacim)
775                 // ...or maybe the SetCursorParUndo()
776                 // below isn't necessary at all anylonger?
777                 if (inset_hit->lyxCode() == Inset::REF_CODE) {
778                         setCursorParUndo(bv_);
779                 }
780
781                 owner_->message(inset_hit->editMessage());
782
783                 if (inset_hit->editable()==Inset::HIGHLY_EDITABLE) {
784                         // Highly editable inset, like math
785                         UpdatableInset *inset = (UpdatableInset *)inset_hit;
786                         inset->insetButtonRelease(bv_, x, y, button);
787                 } else {
788                         inset_hit->insetButtonRelease(bv_, x, y, button);
789                         inset_hit->edit(bv_, x, y, button);
790                 }
791                 return;
792         }
793
794         // check whether we want to open a float
795         if (bv_->text) {
796                 bool hit = false;
797                 char c = ' ';
798                 if (bv_->text->cursor.pos() <
799                     bv_->text->cursor.par()->size()) {
800                         c = bv_->text->cursor.par()->
801                                 getChar(bv_->text->cursor.pos());
802                 }
803                         if (bv_->text->cursor.pos() - 1 >= 0) {
804                         c = bv_->text->cursor.par()->
805                                 getChar(bv_->text->cursor.pos() - 1);
806                 }
807                 if (hit == true) {
808                         selection_possible = false;
809                         return;
810                 }
811         }
812
813         // Maybe we want to edit a bibitem ale970302
814         if (bv_->text->cursor.par()->bibkey && x < 20 + 
815             bibitemMaxWidth(bv_, textclasslist.
816                             TextClass(buffer_->
817                                       params.textclass).defaultfont())) {
818                 bv_->text->cursor.par()->bibkey->edit(bv_, 0, 0, 0);
819         }
820
821         return;
822 }
823
824
825 /* 
826  * Returns an inset if inset was hit. 0 otherwise.
827  * If hit, the coordinates are changed relative to the inset. 
828  * Otherwise coordinates are not changed, and false is returned.
829  */
830 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y,
831                                          unsigned int /* button */)
832 {
833         if (!screen_.get())
834                 return 0;
835   
836         int y_tmp = y + text->first;
837   
838         LyXCursor cursor;
839         text->setCursorFromCoordinates(bv_, cursor, x, y_tmp);
840         text->setCursor(bv_, cursor, cursor.par(),cursor.pos(),true);
841
842
843         if (cursor.pos() < cursor.par()->size()
844             && cursor.par()->getChar(cursor.pos()) == Paragraph::META_INSET
845             && cursor.par()->getInset(cursor.pos())
846             && cursor.par()->getInset(cursor.pos())->editable()) {
847
848                 // Check whether the inset really was hit
849                 Inset * tmpinset = cursor.par()->getInset(cursor.pos());
850                 LyXFont font = text->getFont(buffer_,
851                                                   cursor.par(), cursor.pos());
852                 int const width = tmpinset->width(bv_, font);
853                 int const inset_x = font.isVisibleRightToLeft()
854                         ? cursor.x() - width : cursor.x();
855                 int const start_x = inset_x + tmpinset->scroll();
856                 int const end_x = inset_x + width;
857
858                 if (x > start_x && x < end_x
859                     && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
860                     && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
861                         text->setCursor(bv_, cursor.par(),cursor.pos(), true);
862                         x = x - start_x;
863                         // The origin of an inset is on the baseline
864                         y = y_tmp - (text->cursor.y()); 
865                         return tmpinset;
866                 }
867         }
868
869         if ((cursor.pos() - 1 >= 0) &&
870             (cursor.par()->getChar(cursor.pos()-1) == Paragraph::META_INSET) &&
871             (cursor.par()->getInset(cursor.pos() - 1)) &&
872             (cursor.par()->getInset(cursor.pos() - 1)->editable())) {
873                 Inset * tmpinset = cursor.par()->getInset(cursor.pos()-1);
874                 LyXFont font = text->getFont(buffer_, cursor.par(),
875                                                   cursor.pos()-1);
876                 int const width = tmpinset->width(bv_, font);
877                 int const inset_x = font.isVisibleRightToLeft()
878                         ? cursor.x() : cursor.x() - width;
879                 int const start_x = inset_x + tmpinset->scroll();
880                 int const end_x = inset_x + width;
881
882                 if (x > start_x && x < end_x
883                     && y_tmp > cursor.y() - tmpinset->ascent(bv_, font)
884                     && y_tmp < cursor.y() + tmpinset->descent(bv_, font)) {
885 #if 0
886                         if (move_cursor && (tmpinset != bv_->theLockingInset()))
887 #endif
888                                 text->setCursor(bv_, cursor.par(),
889                                                 cursor.pos() - 1, true);
890                         x = x - start_x;
891                         // The origin of an inset is on the baseline
892                         y = y_tmp - (text->cursor.y()); 
893                         return tmpinset;
894                 }
895         }
896         return 0;
897 }
898
899
900 void BufferView::Pimpl::workAreaExpose()
901 {
902         static int work_area_width;
903         static unsigned int work_area_height;
904
905         bool const widthChange = workarea_.workWidth() != work_area_width;
906         bool const heightChange = workarea_.height() != work_area_height;
907
908         // update from work area
909         work_area_width = workarea_.workWidth();
910         work_area_height = workarea_.height();
911         if (buffer_ != 0) {
912                 if (widthChange) {
913                         // The visible LyXView need a resize
914                         owner_->resize();
915
916                         // Remove all texts from the textcache
917                         // This is not _really_ what we want to do. What
918                         // we really want to do is to delete in textcache
919                         // that does not have a BufferView with matching
920                         // width, but as long as we have only one BufferView
921                         // deleting all gives the same result.
922                         if (lyxerr.debugging())
923                                 textcache.show(lyxerr, "Expose delete all");
924                         textcache.clear();
925                 } else if (heightChange) {
926                         // Rebuild image of current screen
927                         updateScreen();
928                         // fitCursor() ensures we don't jump back
929                         // to the start of the document on vertical
930                         // resize
931                         fitCursor(bv_->text);
932
933                         // The main window size has changed, repaint most stuff
934                         redraw();
935                 } else if (screen_.get())
936                     screen_->redraw(bv_->text, bv_);
937         } else {
938                 // Grey box when we don't have a buffer
939                 workarea_.greyOut();
940         }
941
942         // always make sure that the scrollbar is sane.
943         updateScrollbar();
944         owner_->updateLayoutChoice();
945         return;
946 }
947
948
949 void BufferView::Pimpl::update()
950 {
951         if (screen_.get() &&
952                 (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()))
953         {
954                 screen_->update(bv_->text, bv_);
955         }
956 }
957
958 // Values used when calling update:
959 // -3 - update
960 // -2 - update, move sel_cursor if selection, fitcursor
961 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
962 //  0 - update, move sel_cursor if selection, fitcursor 
963 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
964 //  3 - update, move sel_cursor if selection
965 //
966 // update -
967 // a simple redraw of the parts that need refresh
968 //
969 // move sel_cursor if selection -
970 // the text's sel_cursor is moved if there is selection is progress
971 //
972 // fitcursor -
973 // fitCursor() is called and the scrollbar updated
974 //
975 // mark dirty -
976 // the buffer is marked dirty.
977 //
978 // enum {
979 //       UPDATE = 0,
980 //       SELECT = 1,
981 //       FITCUR = 2,
982 //       CHANGE = 4 
983 // };
984 //
985 // UPDATE_ONLY = UPDATE;
986 // UPDATE_SELECT = UPDATE | SELECT;
987 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
988 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
989 //
990 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
991 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
992 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
993 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
994 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
995
996 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
997 {
998         owner_->updateLayoutChoice();
999
1000         if (!text->selection.set() && (f & SELECT)) {
1001                 text->selection.cursor = text->cursor;
1002         }
1003
1004         text->fullRebreak(bv_);
1005
1006         if (text->inset_owner) {
1007             text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
1008             updateInset(text->inset_owner, true);
1009         } else
1010             update();
1011
1012         if ((f & FITCUR)) {
1013                 fitCursor(text);
1014         }
1015
1016         if ((f & CHANGE)) {
1017                 buffer_->markDirty();
1018         }
1019 }
1020
1021
1022 // Callback for cursor timer
1023 void BufferView::Pimpl::cursorToggle()
1024 {
1025         // Quite a nice place for asyncron Inset updating, isn't it?
1026         // Actually no! This is run even if no buffer exist... so (Lgb)
1027         if (!buffer_) {
1028                 cursor_timeout.restart();
1029                 return;
1030         }
1031  
1032         int status = 1;
1033         int const pid = waitpid(static_cast<pid_t>(0), &status, WNOHANG);
1034         if (pid == -1) // error find out what is wrong
1035                 ; // ignore it for now.
1036         else if (pid > 0)
1037                 sigchldchecker(pid, &status);
1038
1039         updatelist.update(bv_);
1040         
1041         if (!screen_.get()) {
1042                 cursor_timeout.restart();
1043                 return;
1044         }
1045
1046         if (!bv_->theLockingInset()) {
1047                 screen_->cursorToggle(bv_->text, bv_);
1048         } else {
1049                 bv_->theLockingInset()->toggleInsetCursor(bv_);
1050         }
1051         
1052         cursor_timeout.restart();
1053 }
1054
1055
1056 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1057 {
1058         if (!text->cursor.row()->previous())
1059                 return;
1060         
1061         int y = text->first;
1062         if (text->inset_owner)
1063                 y += bv_->text->first;
1064         Row * cursorrow = text->cursor.row();
1065         text->setCursorFromCoordinates(bv_, bv_->text->cursor.x_fix(), y);
1066         finishUndo();
1067         // This is to allow jumping over large insets
1068         if ((cursorrow == text->cursor.row()))
1069                 text->cursorUp(bv_);
1070         
1071         if (text->inset_owner ||
1072             text->cursor.row()->height() < workarea_.height())
1073                 screen_->draw(bv_->text, bv_,
1074                               text->cursor.y()
1075                               - text->cursor.row()->baseline()
1076                               + text->cursor.row()->height()
1077                               - workarea_.height() + 1 );
1078         updateScrollbar();
1079 }
1080
1081
1082 void BufferView::Pimpl::cursorNext(LyXText * text)
1083 {
1084         if (!text->cursor.row()->next())
1085                 return;
1086         
1087         int y = text->first + workarea_.height();
1088 //      if (text->inset_owner)
1089 //              y += bv_->text->first;
1090         text->getRowNearY(y);
1091     
1092         Row * cursorrow = text->cursor.row();
1093         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea_->height());
1094         finishUndo();
1095         // This is to allow jumping over large insets
1096         if ((cursorrow == bv_->text->cursor.row()))
1097                 text->cursorDown(bv_);
1098         
1099         if (text->inset_owner ||
1100             text->cursor.row()->height() < workarea_.height())
1101                 screen_->draw(bv_->text, bv_, text->cursor.y() -
1102                               text->cursor.row()->baseline());
1103         updateScrollbar();
1104 }
1105
1106
1107 bool BufferView::Pimpl::available() const
1108 {
1109         if (buffer_ && bv_->text) return true;
1110         return false;
1111 }
1112
1113
1114 void BufferView::Pimpl::beforeChange(LyXText * text)
1115 {
1116         toggleSelection();
1117         text->clearSelection(bv_);
1118 }
1119
1120
1121 void BufferView::Pimpl::savePosition(unsigned int i)
1122 {
1123         if (i >= saved_positions_num)
1124                 return;
1125         saved_positions[i] = Position(buffer_->fileName(),
1126                                       bv_->text->cursor.par()->id(),
1127                                       bv_->text->cursor.pos());
1128         if (i > 0) {
1129                 ostringstream str;
1130                 str << _("Saved bookmark") << ' ' << i;
1131                 owner_->message(str.str().c_str());
1132         }
1133 }
1134
1135
1136 void BufferView::Pimpl::restorePosition(unsigned int i)
1137 {
1138         if (i >= saved_positions_num)
1139                 return;
1140
1141         string const fname = saved_positions[i].filename;
1142
1143         beforeChange(bv_->text);
1144
1145         if (fname != buffer_->fileName()) {
1146                 Buffer * b = bufferlist.exists(fname) ?
1147                         bufferlist.getBuffer(fname) :
1148                         bufferlist.loadLyXFile(fname); // don't ask, just load it
1149                 if (b != 0 ) buffer(b);
1150         }
1151
1152         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
1153         if (!par)
1154                 return;
1155
1156         bv_->text->setCursor(bv_, par,
1157                              min(par->size(), saved_positions[i].par_pos));
1158
1159         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1160         if (i > 0) {
1161                 ostringstream str;
1162                 str << _("Moved to bookmark") << ' ' << i;
1163                 owner_->message(str.str().c_str());
1164         }
1165 }
1166
1167
1168 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
1169 {
1170         if (i >= saved_positions_num)
1171                 return false;
1172
1173         return !saved_positions[i].filename.empty();
1174 }
1175
1176
1177 void BufferView::Pimpl::setState()
1178 {
1179         if (!lyxrc.rtl_support)
1180                 return;
1181
1182         LyXText * text = bv_->getLyXText();
1183         if (text->real_current_font.isRightToLeft()
1184 #ifndef NO_LATEX
1185             &&
1186             text->real_current_font.latex() != LyXFont::ON
1187 #endif
1188                 ) {
1189                 if (owner_->getIntl()->keymap == Intl::PRIMARY)
1190                         owner_->getIntl()->KeyMapSec();
1191         } else {
1192                 if (owner_->getIntl()->keymap == Intl::SECONDARY)
1193                         owner_->getIntl()->KeyMapPrim();
1194         }
1195 }
1196
1197
1198 void BufferView::Pimpl::insetSleep()
1199 {
1200         if (bv_->theLockingInset() && !inset_slept) {
1201                 bv_->theLockingInset()->getCursorPos(bv_, bv_->slx, bv_->sly);
1202                 bv_->theLockingInset()->insetUnlock(bv_);
1203                 inset_slept = true;
1204         }
1205 }
1206
1207
1208 void BufferView::Pimpl::insetWakeup()
1209 {
1210         if (bv_->theLockingInset() && inset_slept) {
1211                 bv_->theLockingInset()->edit(bv_, bv_->slx, bv_->sly, 0);
1212                 inset_slept = false;
1213         }
1214 }
1215
1216
1217 void BufferView::Pimpl::insetUnlock()
1218 {
1219         if (bv_->theLockingInset()) {
1220                 if (!inset_slept)
1221                         bv_->theLockingInset()->insetUnlock(bv_);
1222                 bv_->theLockingInset(0);
1223                 finishUndo();
1224                 inset_slept = false;
1225         }
1226 }
1227
1228
1229 bool BufferView::Pimpl::focus() const
1230 {
1231         return workarea_.hasFocus();
1232 }
1233
1234
1235 void BufferView::Pimpl::focus(bool f)
1236 {
1237         if (f) workarea_.setFocus();
1238 }
1239
1240
1241 bool BufferView::Pimpl::active() const
1242 {
1243         return workarea_.active();
1244 }
1245
1246
1247 bool BufferView::Pimpl::belowMouse() const 
1248 {
1249         return workarea_.belowMouse();
1250 }
1251
1252
1253 void BufferView::Pimpl::showCursor()
1254 {
1255         if (screen_.get())
1256                 screen_->showCursor(bv_->text, bv_);
1257 }
1258
1259
1260 void BufferView::Pimpl::hideCursor()
1261 {
1262         if (screen_.get())
1263                 screen_->hideCursor();
1264 }
1265
1266
1267 void BufferView::Pimpl::toggleSelection(bool b)
1268 {
1269         if (screen_.get()) {
1270                 if (bv_->theLockingInset())
1271                         bv_->theLockingInset()->toggleSelection(bv_, b);
1272                 screen_->toggleSelection(bv_->text, bv_, b);
1273         }
1274 }
1275
1276
1277 void BufferView::Pimpl::toggleToggle()
1278 {
1279         if (screen_.get())
1280                 screen_->toggleToggle(bv_->text, bv_);
1281 }
1282
1283
1284 void BufferView::Pimpl::center() 
1285 {
1286         beforeChange(bv_->text);
1287         if (bv_->text->cursor.y() > static_cast<int>((workarea_.height() / 2))) {
1288                 screen_->draw(bv_->text, bv_, bv_->text->cursor.y() - workarea_.height() / 2);
1289         } else {
1290                 screen_->draw(bv_->text, bv_, 0);
1291         }
1292         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1293         redraw();
1294 }
1295
1296
1297 void BufferView::Pimpl::pasteClipboard(bool asPara) 
1298 {
1299         if (!buffer_) return;
1300
1301         screen_->hideCursor();
1302         beforeChange(bv_->text);
1303         
1304         string const clip(workarea_.getClipboard());
1305         
1306         if (clip.empty()) return;
1307
1308         if (asPara) {
1309                 bv_->text->insertStringAsParagraphs(bv_, clip);
1310         } else {
1311                 bv_->text->insertStringAsLines(bv_, clip);
1312         }
1313         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1314 }
1315
1316
1317 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1318 {
1319         workarea_.putClipboard(stuff);
1320 }
1321
1322
1323 /*
1324  * Dispatch functions for actions which can be valid for BufferView->text
1325  * and/or InsetText->text!!!
1326  */
1327
1328
1329 inline
1330 void BufferView::Pimpl::moveCursorUpdate(bool selecting)
1331 {
1332         LyXText * lt = bv_->getLyXText();
1333         
1334         if (selecting || lt->selection.mark()) {
1335                 lt->setSelection(bv_);
1336                 if (lt->bv_owner)
1337                         toggleToggle();
1338         }
1339         update(lt, BufferView::SELECT|BufferView::FITCUR);
1340         showCursor();
1341         
1342         /* ---> Everytime the cursor is moved, show the current font state. */
1343         // should this too me moved out of this func?
1344         //owner->showState();
1345         setState();
1346 }
1347
1348
1349 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
1350 {
1351         LyXCursor cursor = bv_->getLyXText()->cursor;
1352         Buffer::inset_iterator it =
1353                 find_if(Buffer::inset_iterator(
1354                         cursor.par(), cursor.pos()),
1355                         buffer_->inset_iterator_end(),
1356                         lyx::compare_memfun(&Inset::lyxCode, code));
1357         return it != buffer_->inset_iterator_end() ? (*it) : 0;
1358 }
1359
1360
1361 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
1362 {
1363         string filename = filen;
1364
1365         if (filename.empty()) {
1366                 // Launch a file browser
1367                 string initpath = lyxrc.document_path;
1368
1369                 if (available()) {
1370                         string const trypath = owner_->buffer()->filepath;
1371                         // If directory is writeable, use this as default.
1372                         if (IsDirWriteable(trypath) == 1)
1373                                 initpath = trypath;
1374                 }
1375
1376                 FileDialog fileDlg(bv_->owner(),
1377                                    _("Select LyX document to insert"),
1378                         LFUN_FILE_INSERT,
1379                         make_pair(string(_("Documents")),
1380                                   string(lyxrc.document_path)),
1381                         make_pair(string(_("Examples")),
1382                                   string(AddPath(system_lyxdir, "examples"))));
1383
1384                 FileDialog::Result result =
1385                         fileDlg.Select(initpath,
1386                                        _("*.lyx| LyX Documents (*.lyx)"));
1387  
1388                 if (result.first == FileDialog::Later)
1389                         return;
1390
1391                 filename = result.second;
1392
1393                 // check selected filename
1394                 if (filename.empty()) {
1395                         owner_->message(_("Canceled."));
1396                         return;
1397                 }
1398         }
1399
1400         // get absolute path of file and add ".lyx" to the filename if
1401         // necessary
1402         filename = FileSearch(string(), filename, "lyx");
1403
1404         string const disp_fn(MakeDisplayPath(filename));
1405         
1406         ostringstream s1;
1407         s1 << _("Inserting document") << ' '
1408            << disp_fn << " ...";
1409         owner_->message(s1.str().c_str());
1410         bool const res = bv_->insertLyXFile(filename);
1411         if (res) {
1412                 ostringstream str;
1413                 str << _("Document") << ' ' << disp_fn
1414                     << ' ' << _("inserted.");
1415                 owner_->message(str.str().c_str());
1416         } else {
1417                 ostringstream str;
1418                 str << _("Could not insert document") << ' '
1419                     << disp_fn;
1420                 owner_->message(str.str().c_str());
1421         }
1422 }
1423
1424
1425 bool BufferView::Pimpl::Dispatch(kb_action action, string const & argument)
1426 {
1427         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch: action["
1428                               << action <<"] arg[" << argument << "]" << endl;
1429         
1430         switch (action) {
1431                 // --- Misc -------------------------------------------
1432         case LFUN_APPENDIX:
1433         {
1434                 if (available()) {
1435                         LyXText * lt = bv_->getLyXText();
1436                         lt->toggleAppendix(bv_);
1437                         update(lt,
1438                                BufferView::SELECT
1439                                | BufferView::FITCUR
1440                                | BufferView::CHANGE);
1441                 }
1442         }
1443         break;
1444
1445         case LFUN_TOC_INSERT:
1446         {
1447                 InsetCommandParams p;
1448                 p.setCmdName("tableofcontents");
1449                 Inset * inset = new InsetTOC(p);
1450                 if (!insertInset(inset, "Standard"))
1451                         delete inset;
1452                 break;
1453         }
1454                 
1455         case LFUN_TABULAR_FEATURE:
1456         case LFUN_SCROLL_INSET:
1457                 // this is not handled here as this funktion is only aktive
1458                 // if we have a locking_inset and that one is (or contains)
1459                 // a tabular-inset
1460                 break;
1461
1462         case LFUN_INSET_GRAPHICS:
1463         {
1464                 Inset * new_inset = new InsetGraphics;
1465                 if (!insertInset(new_inset)) {
1466                         delete new_inset;
1467                 } else {
1468                         // this is need because you don't use a inset->Edit()
1469                         updateInset(new_inset, true);
1470                         new_inset->edit(bv_, 0, 0, 0);
1471                 }
1472                 break;
1473         }
1474                 
1475         case LFUN_PASTE:
1476                 bv_->paste();
1477                 setState();
1478                 break;
1479                 
1480         case LFUN_PASTESELECTION:
1481         {
1482                 bool asPara = false;
1483                 if (argument == "paragraph") asPara = true;
1484                 pasteClipboard(asPara);
1485         }
1486         break;
1487         
1488         case LFUN_CUT:
1489                 bv_->cut();
1490                 break;
1491                 
1492         case LFUN_COPY:
1493                 bv_->copy();
1494                 break;
1495                 
1496         case LFUN_LAYOUT_COPY:
1497                 bv_->copyEnvironment();
1498                 break;
1499                 
1500         case LFUN_LAYOUT_PASTE:
1501                 bv_->pasteEnvironment();
1502                 setState();
1503                 break;
1504                 
1505         case LFUN_GOTOERROR:
1506                 gotoInset(Inset::ERROR_CODE, false);
1507                 break;
1508                 
1509         case LFUN_GOTONOTE:
1510                 gotoInset(Inset::IGNORE_CODE, false);
1511                 break;
1512
1513         case LFUN_REFERENCE_GOTO:
1514         {
1515                 vector<Inset::Code> tmp;
1516                 tmp.push_back(Inset::LABEL_CODE);
1517                 tmp.push_back(Inset::REF_CODE);
1518                 gotoInset(tmp, true);
1519                 break;
1520         }
1521
1522         case LFUN_HYPHENATION:
1523                 hyphenationPoint();
1524                 break;
1525                 
1526         case LFUN_LDOTS:
1527                 ldots();
1528                 break;
1529                 
1530         case LFUN_END_OF_SENTENCE:
1531                 endOfSentenceDot();
1532                 break;
1533
1534         case LFUN_MENU_SEPARATOR:
1535                 menuSeparator();
1536                 break;
1537                 
1538         case LFUN_HFILL:
1539                 hfill();
1540                 break;
1541                 
1542         case LFUN_DEPTH:
1543                 changeDepth(bv_, bv_->getLyXText(), 0);
1544                 break;
1545                 
1546         case LFUN_DEPTH_MIN:
1547                 changeDepth(bv_, bv_->getLyXText(), -1);
1548                 break;
1549                 
1550         case LFUN_DEPTH_PLUS:
1551                 changeDepth(bv_, bv_->getLyXText(), 1);
1552                 break;
1553                 
1554         case LFUN_FREE:
1555                 owner_->getDialogs()->setUserFreeFont();
1556                 break;
1557
1558 #ifndef NO_LATEX
1559         case LFUN_TEX:
1560                 Tex(bv_);
1561                 setState();
1562                 owner_->showState();
1563                 break;
1564 #endif
1565                 
1566         case LFUN_FILE_INSERT:
1567         {
1568                 MenuInsertLyXFile(argument);
1569         }
1570         break;
1571         
1572         case LFUN_FILE_INSERT_ASCII_PARA:
1573                 InsertAsciiFile(bv_, argument, true);
1574                 break;
1575
1576         case LFUN_FILE_INSERT_ASCII:
1577                 InsertAsciiFile(bv_, argument, false);
1578                 break;
1579                 
1580         case LFUN_LAYOUT:
1581         {
1582                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1583                                     << argument << endl;
1584                 
1585                 // Derive layout number from given argument (string)
1586                 // and current buffer's textclass (number). */    
1587                 LyXTextClassList::ClassList::size_type tclass =
1588                         buffer_->params.textclass;
1589                 pair <bool, LyXTextClass::size_type> layout = 
1590                         textclasslist.NumberOfLayout(tclass, argument);
1591
1592                 // If the entry is obsolete, use the new one instead.
1593                 if (layout.first) {
1594                         string obs = textclasslist.Style(tclass,layout.second)
1595                                 .obsoleted_by();
1596                         if (!obs.empty()) 
1597                                 layout = 
1598                                         textclasslist.NumberOfLayout(tclass, obs);
1599                 }
1600
1601                 // see if we found the layout number:
1602                 if (!layout.first) {
1603                         owner_->getLyXFunc()->setErrorMessage(
1604                                 string(N_("Layout ")) + argument +
1605                                 N_(" not known"));
1606                         break;
1607                 }
1608
1609                 if (current_layout != layout.second) {
1610                         LyXText * lt = bv_->getLyXText();
1611                         hideCursor();
1612                         current_layout = layout.second;
1613                         update(lt,
1614                                BufferView::SELECT
1615                                | BufferView::FITCUR);
1616                         lt->setLayout(bv_, layout.second);
1617                         owner_->setLayout(layout.second);
1618                         update(lt,
1619                                BufferView::SELECT
1620                                | BufferView::FITCUR
1621                                | BufferView::CHANGE);
1622                         setState();
1623                 }
1624         }
1625         break;
1626
1627         case LFUN_LANGUAGE:
1628                 Lang(bv_, argument);
1629                 setState();
1630                 owner_->showState();
1631                 break;
1632
1633         case LFUN_EMPH:
1634                 Emph(bv_);
1635                 owner_->showState();
1636                 break;
1637
1638         case LFUN_BOLD:
1639                 Bold(bv_);
1640                 owner_->showState();
1641                 break;
1642                 
1643         case LFUN_NOUN:
1644                 Noun(bv_);
1645                 owner_->showState();
1646                 break;
1647                 
1648         case LFUN_CODE:
1649                 Code(bv_);
1650                 owner_->showState();
1651                 break;
1652                 
1653         case LFUN_SANS:
1654                 Sans(bv_);
1655                 owner_->showState();
1656                 break;
1657                 
1658         case LFUN_ROMAN:
1659                 Roman(bv_);
1660                 owner_->showState();
1661                 break;
1662                 
1663         case LFUN_DEFAULT:
1664                 StyleReset(bv_);
1665                 owner_->showState();
1666                 break;
1667                 
1668         case LFUN_UNDERLINE:
1669                 Underline(bv_);
1670                 owner_->showState();
1671                 break;
1672                 
1673         case LFUN_FONT_SIZE:
1674                 FontSize(bv_, argument);
1675                 owner_->showState();
1676                 break;
1677                 
1678         case LFUN_FONT_STATE:
1679                 owner_->getLyXFunc()->setMessage(CurrentState(bv_));
1680                 break;
1681                 
1682         case LFUN_UPCASE_WORD:
1683         {
1684                 LyXText * lt = bv_->getLyXText();
1685                 
1686                 update(lt,
1687                        BufferView::SELECT
1688                        | BufferView::FITCUR);
1689                 lt->changeCase(bv_, LyXText::text_uppercase);
1690                 if (lt->inset_owner)
1691                         updateInset(lt->inset_owner, true);
1692                 update(lt,
1693                        BufferView::SELECT
1694                        | BufferView::FITCUR
1695                        | BufferView::CHANGE);
1696         }
1697         break;
1698                 
1699         case LFUN_LOWCASE_WORD:
1700         {
1701                 LyXText * lt = bv_->getLyXText();
1702                 
1703                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1704                 lt->changeCase(bv_, LyXText::text_lowercase);
1705                 if (lt->inset_owner)
1706                         updateInset(lt->inset_owner, true);
1707                 update(lt,
1708                        BufferView::SELECT
1709                        | BufferView::FITCUR
1710                        | BufferView::CHANGE);
1711         }
1712         break;
1713                 
1714         case LFUN_CAPITALIZE_WORD:
1715         {
1716                 LyXText * lt = bv_->getLyXText();
1717                 
1718                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1719                 lt->changeCase(bv_, LyXText::text_capitalization);
1720                 if (lt->inset_owner)
1721                         updateInset(lt->inset_owner, true);
1722                 update(lt,
1723                        BufferView::SELECT
1724                        | BufferView::FITCUR
1725                        | BufferView::CHANGE);
1726         }
1727         break;
1728
1729         case LFUN_TRANSPOSE_CHARS:
1730         {
1731                 LyXText * lt = bv_->getLyXText();
1732                 
1733                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1734                 lt->transposeChars(*bv_);
1735                 if (lt->inset_owner)
1736                         updateInset(lt->inset_owner, true);
1737                 update(lt,
1738                        BufferView::SELECT
1739                        | BufferView::FITCUR
1740                        | BufferView::CHANGE);
1741         }
1742         break;
1743                 
1744                                           
1745         case LFUN_INSERT_LABEL:
1746                 MenuInsertLabel(bv_, argument);
1747                 break;
1748                 
1749         case LFUN_REF_INSERT:
1750                 if (argument.empty()) {
1751                         InsetCommandParams p("ref");
1752                         owner_->getDialogs()->createRef(p.getAsString());
1753                 } else {
1754                         InsetCommandParams p;
1755                         p.setFromString(argument);
1756
1757                         InsetRef * inset = new InsetRef(p, *buffer_);
1758                         if (!insertInset(inset))
1759                                 delete inset;
1760                         else
1761                                 updateInset(inset, true);
1762                 }
1763                 break;
1764
1765         case LFUN_BOOKMARK_SAVE:
1766                 savePosition(strToUnsignedInt(argument));
1767                 break;
1768
1769         case LFUN_BOOKMARK_GOTO:
1770                 restorePosition(strToUnsignedInt(argument));
1771                 break;
1772
1773         case LFUN_REF_GOTO:
1774         {
1775                 string label(argument);
1776                 if (label.empty()) {
1777                         InsetRef * inset = 
1778                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1779                         if (inset) {
1780                                 label = inset->getContents();
1781                                 savePosition(0);
1782                         }
1783                 }
1784                 
1785                 if (!label.empty()) {
1786                         //bv_->savePosition(0);
1787                         if (!bv_->gotoLabel(label))
1788                                 WriteAlert(_("Error"), 
1789                                            _("Couldn't find this label"), 
1790                                            _("in current document."));
1791                 }
1792         }
1793         break;
1794                 
1795                 // --- Cursor Movements -----------------------------
1796         case LFUN_RIGHT:
1797         {
1798                 LyXText * lt = bv_->getLyXText();
1799                 
1800                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1801                 if (!lt->selection.mark())
1802                         beforeChange(lt);
1803                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1804                 if (is_rtl)
1805                         lt->cursorLeft(bv_, false);
1806                 if (lt->cursor.pos() < lt->cursor.par()->size()
1807                     && lt->cursor.par()->getChar(lt->cursor.pos())
1808                     == Paragraph::META_INSET
1809                     && lt->cursor.par()->getInset(lt->cursor.pos())
1810                     && lt->cursor.par()->getInset(lt->cursor.pos())->editable() == Inset::HIGHLY_EDITABLE){
1811                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1812                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1813                         int y = 0;
1814                         if (is_rtl) {
1815                                 LyXFont const font = 
1816                                         lt->getFont(buffer_,
1817                                                     lt->cursor.par(),
1818                                                     lt->cursor.pos());  
1819                                 y = tmpinset->descent(bv_,font);
1820                         }
1821                         tmpinset->edit(bv_, 0, y, 0);
1822                         break;
1823                 }
1824                 if (!is_rtl)
1825                         lt->cursorRight(bv_, false);
1826                 finishUndo();
1827                 moveCursorUpdate(false);
1828                 owner_->showState();
1829         }
1830         break;
1831                 
1832         case LFUN_LEFT:
1833         {
1834                 // This is soooo ugly. Isn`t it possible to make
1835                 // it simpler? (Lgb)
1836                 LyXText * lt = bv_->getLyXText();
1837                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1838                 if (!lt->selection.mark())
1839                         beforeChange(lt);
1840                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1841                 LyXCursor const cur = lt->cursor;
1842                 if (!is_rtl)
1843                         lt->cursorLeft(bv_, false);
1844                 if ((is_rtl || cur != lt->cursor) && // only if really moved!
1845                     lt->cursor.pos() < lt->cursor.par()->size() &&
1846                     (lt->cursor.par()->getChar(lt->cursor.pos()) ==
1847                      Paragraph::META_INSET) &&
1848                     lt->cursor.par()->getInset(lt->cursor.pos()) &&
1849                     (lt->cursor.par()->getInset(lt->cursor.pos())->editable()
1850                      == Inset::HIGHLY_EDITABLE))
1851                 {
1852                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1853                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1854                         LyXFont const font = lt->getFont(buffer_,
1855                                                          lt->cursor.par(),
1856                                                          lt->cursor.pos());
1857                         int y = is_rtl ? 0 
1858                                 : tmpinset->descent(bv_,font);
1859                         tmpinset->edit(bv_,
1860                                        tmpinset->x() +
1861                                        tmpinset->width(bv_,font),
1862                                        y, 0);
1863                         break;
1864                 }
1865                 if  (is_rtl)
1866                         lt->cursorRight(bv_, false);
1867
1868                 finishUndo();
1869                 moveCursorUpdate(false);
1870                 owner_->showState();
1871         }
1872         break;
1873                 
1874         case LFUN_UP:
1875         {
1876                 LyXText * lt = bv_->getLyXText();
1877                 
1878                 if (!lt->selection.mark())
1879                         beforeChange(lt);
1880                 update(lt, BufferView::UPDATE);
1881                 lt->cursorUp(bv_);
1882                 finishUndo();
1883                 moveCursorUpdate(false);
1884                 owner_->showState();
1885         }
1886         break;
1887                 
1888         case LFUN_DOWN:
1889         {
1890                 LyXText * lt = bv_->getLyXText();
1891                 
1892                 if (!lt->selection.mark())
1893                         beforeChange(lt);
1894                 update(lt, BufferView::UPDATE);
1895                 lt->cursorDown(bv_);
1896                 finishUndo();
1897                 moveCursorUpdate(false);
1898                 owner_->showState();
1899         }
1900         break;
1901
1902         case LFUN_UP_PARAGRAPH:
1903         {
1904                 LyXText * lt = bv_->getLyXText();
1905                 
1906                 if (!lt->selection.mark())
1907                         beforeChange(lt);
1908                 update(lt, BufferView::UPDATE);
1909                 lt->cursorUpParagraph(bv_);
1910                 finishUndo();
1911                 moveCursorUpdate(false);
1912                 owner_->showState();
1913         }
1914         break;
1915                 
1916         case LFUN_DOWN_PARAGRAPH:
1917         {
1918                 LyXText * lt = bv_->getLyXText();
1919                 
1920                 if (!lt->selection.mark())
1921                         beforeChange(lt);
1922                 update(lt, BufferView::UPDATE);
1923                 lt->cursorDownParagraph(bv_);
1924                 finishUndo();
1925                 moveCursorUpdate(false);
1926                 owner_->showState();
1927         }
1928         break;
1929                 
1930         case LFUN_PRIOR:
1931         {
1932                 LyXText * lt = bv_->getLyXText();
1933                 
1934                 if (!lt->selection.mark())
1935                         beforeChange(lt);
1936                 update(lt, BufferView::UPDATE);
1937                 cursorPrevious(lt);
1938                 finishUndo();
1939                 moveCursorUpdate(false);
1940                 owner_->showState();
1941         }
1942         break;
1943                 
1944         case LFUN_NEXT:
1945         {
1946                 LyXText * lt = bv_->getLyXText();
1947                 
1948                 if (!lt->selection.mark())
1949                         beforeChange(lt);
1950                 update(lt, BufferView::UPDATE);
1951                 cursorNext(lt);
1952                 finishUndo();
1953                 moveCursorUpdate(false);
1954                 owner_->showState();
1955         }
1956         break;
1957                 
1958         case LFUN_HOME:
1959         {
1960                 LyXText * lt = bv_->getLyXText();
1961                 
1962                 if (!lt->selection.mark())
1963                         beforeChange(lt);
1964                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1965                 lt->cursorHome(bv_);
1966                 finishUndo();
1967                 moveCursorUpdate(false);
1968                 owner_->showState();
1969         }
1970         break;
1971                 
1972         case LFUN_END:
1973         {
1974                 LyXText * lt = bv_->getLyXText();
1975                 
1976                 if (!lt->selection.mark())
1977                         beforeChange(lt);
1978                 update(lt,
1979                        BufferView::SELECT|BufferView::FITCUR);
1980                 lt->cursorEnd(bv_);
1981                 finishUndo();
1982                 moveCursorUpdate(false);
1983                 owner_->showState();
1984         }
1985         break;
1986                 
1987         case LFUN_SHIFT_TAB:
1988         case LFUN_TAB:
1989         {
1990                 LyXText * lt = bv_->getLyXText();
1991                 
1992                 if (!lt->selection.mark())
1993                         beforeChange(lt);
1994                 update(lt,
1995                        BufferView::SELECT|BufferView::FITCUR);
1996                 lt->cursorTab(bv_);
1997                 finishUndo();
1998                 moveCursorUpdate(false);
1999                 owner_->showState();
2000         }
2001         break;
2002                 
2003         case LFUN_WORDRIGHT:
2004         {
2005                 LyXText * lt = bv_->getLyXText();
2006                 
2007                 if (!lt->selection.mark())
2008                         beforeChange(lt);
2009                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2010                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2011                         lt->cursorLeftOneWord(bv_);
2012                 else
2013                         lt->cursorRightOneWord(bv_);
2014                 finishUndo();
2015                 moveCursorUpdate(false);
2016                 owner_->showState();
2017         }
2018         break;
2019                 
2020         case LFUN_WORDLEFT:
2021         {
2022                 LyXText * lt = bv_->getLyXText();
2023                 
2024                 if (!lt->selection.mark())
2025                         beforeChange(lt);
2026                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2027                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2028                         lt->cursorRightOneWord(bv_);
2029                 else
2030                         lt->cursorLeftOneWord(bv_);
2031                 finishUndo();
2032                 moveCursorUpdate(false);
2033                 owner_->showState();
2034         }
2035         break;
2036                 
2037         case LFUN_BEGINNINGBUF:
2038         {
2039                 LyXText * lt = bv_->getLyXText();
2040                 
2041                 if (!lt->selection.mark())
2042                         beforeChange(lt);
2043                 update(lt,
2044                        BufferView::SELECT|BufferView::FITCUR);
2045                 lt->cursorTop(bv_);
2046                 finishUndo();
2047                 moveCursorUpdate(false);
2048                 owner_->showState();
2049         }
2050         break;
2051                 
2052         case LFUN_ENDBUF:
2053         {
2054                 LyXText * lt = bv_->getLyXText();
2055                 
2056                 if (!lt->selection.mark())
2057                         beforeChange(lt);
2058                 update(lt,
2059                        BufferView::SELECT|BufferView::FITCUR);
2060                 lt->cursorBottom(bv_);
2061                 finishUndo();
2062                 moveCursorUpdate(false);
2063                 owner_->showState();
2064         }
2065         break;
2066       
2067                 /* cursor selection ---------------------------- */
2068         case LFUN_RIGHTSEL:
2069         {
2070                 LyXText * lt = bv_->getLyXText();
2071                 
2072                 update(lt,
2073                        BufferView::SELECT|BufferView::FITCUR);
2074                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2075                         lt->cursorLeft(bv_);
2076                 else
2077                         lt->cursorRight(bv_);
2078                 finishUndo();
2079                 moveCursorUpdate(true);
2080                 owner_->showState();
2081         }
2082         break;
2083                 
2084         case LFUN_LEFTSEL:
2085         {
2086                 LyXText * lt = bv_->getLyXText();
2087                 
2088                 update(lt,
2089                        BufferView::SELECT|BufferView::FITCUR);
2090                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2091                         lt->cursorRight(bv_);
2092                 else
2093                         lt->cursorLeft(bv_);
2094                 finishUndo();
2095                 moveCursorUpdate(true);
2096                 owner_->showState();
2097         }
2098         break;
2099                 
2100         case LFUN_UPSEL:
2101         {
2102                 LyXText * lt = bv_->getLyXText();
2103                 
2104                 update(lt,
2105                        BufferView::SELECT|BufferView::FITCUR);
2106                 lt->cursorUp(bv_);
2107                 finishUndo();
2108                 moveCursorUpdate(true);
2109                 owner_->showState();
2110         }
2111         break;
2112                 
2113         case LFUN_DOWNSEL:
2114         {
2115                 LyXText * lt = bv_->getLyXText();
2116                 
2117                 update(lt,
2118                        BufferView::SELECT|BufferView::FITCUR);
2119                 lt->cursorDown(bv_);
2120                 finishUndo();
2121                 moveCursorUpdate(true);
2122                 owner_->showState();
2123         }
2124         break;
2125
2126         case LFUN_UP_PARAGRAPHSEL:
2127         {
2128                 LyXText * lt = bv_->getLyXText();
2129                 
2130                 update(lt,
2131                        BufferView::SELECT|BufferView::FITCUR);
2132                 lt->cursorUpParagraph(bv_);
2133                 finishUndo();
2134                 moveCursorUpdate(true);
2135                 owner_->showState();
2136         }
2137         break;
2138                 
2139         case LFUN_DOWN_PARAGRAPHSEL:
2140         {
2141                 LyXText * lt = bv_->getLyXText();
2142                 
2143                 update(lt,
2144                        BufferView::SELECT|BufferView::FITCUR);
2145                 lt->cursorDownParagraph(bv_);
2146                 finishUndo();
2147                 moveCursorUpdate(true);
2148                 owner_->showState();
2149         }
2150         break;
2151                 
2152         case LFUN_PRIORSEL:
2153         {
2154                 LyXText * lt = bv_->getLyXText();
2155                 
2156                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2157                 cursorPrevious(lt);
2158                 finishUndo();
2159                 moveCursorUpdate(true);
2160                 owner_->showState();
2161         }
2162         break;
2163                 
2164         case LFUN_NEXTSEL:
2165         {
2166                 LyXText * lt = bv_->getLyXText();
2167                 
2168                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2169                 cursorNext(lt);
2170                 finishUndo();
2171                 moveCursorUpdate(true);
2172                 owner_->showState();
2173         }
2174         break;
2175                 
2176         case LFUN_HOMESEL:
2177         {
2178                 LyXText * lt = bv_->getLyXText();
2179                 
2180                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2181                 lt->cursorHome(bv_);
2182                 finishUndo();
2183                 moveCursorUpdate(true);
2184                 owner_->showState();
2185         }
2186         break;
2187                 
2188         case LFUN_ENDSEL:
2189         {
2190                 LyXText * lt = bv_->getLyXText();
2191                 
2192                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2193                 lt->cursorEnd(bv_);
2194                 finishUndo();
2195                 moveCursorUpdate(true);
2196                 owner_->showState();
2197         }
2198         break;
2199                 
2200         case LFUN_WORDRIGHTSEL:
2201         {
2202                 LyXText * lt = bv_->getLyXText();
2203                 
2204                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2205                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2206                         lt->cursorLeftOneWord(bv_);
2207                 else
2208                         lt->cursorRightOneWord(bv_);
2209                 finishUndo();
2210                 moveCursorUpdate(true);
2211                 owner_->showState();
2212         }
2213         break;
2214                 
2215         case LFUN_WORDLEFTSEL:
2216         {
2217                 LyXText * lt = bv_->getLyXText();
2218                 
2219                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2220                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2221                         lt->cursorRightOneWord(bv_);
2222                 else
2223                         lt->cursorLeftOneWord(bv_);
2224                 finishUndo();
2225                 moveCursorUpdate(true);
2226                 owner_->showState();
2227         }
2228         break;
2229                 
2230         case LFUN_BEGINNINGBUFSEL:
2231         {
2232                 LyXText * lt = bv_->getLyXText();
2233                 
2234                 if (lt->inset_owner)
2235                         break;
2236                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2237                 lt->cursorTop(bv_);
2238                 finishUndo();
2239                 moveCursorUpdate(true);
2240                 owner_->showState();
2241         }
2242         break;
2243                 
2244         case LFUN_ENDBUFSEL:
2245         {
2246                 LyXText * lt = bv_->getLyXText();
2247                 
2248                 if (lt->inset_owner)
2249                         break;
2250                 update(lt,
2251                        BufferView::SELECT|BufferView::FITCUR);
2252                 lt->cursorBottom(bv_);
2253                 finishUndo();
2254                 moveCursorUpdate(true);
2255                 owner_->showState();
2256         }
2257         break;
2258
2259                 // --- text changing commands ------------------------
2260         case LFUN_BREAKLINE:
2261         {
2262                 LyXText * lt = bv_->getLyXText();
2263
2264                 beforeChange(lt);
2265                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
2266                 update(lt,
2267                        BufferView::SELECT
2268                        | BufferView::FITCUR
2269                        | BufferView::CHANGE);
2270                 moveCursorUpdate(false);
2271         }
2272         break;
2273                 
2274         case LFUN_PROTECTEDSPACE:
2275         {
2276                 LyXText * lt = bv_->getLyXText();
2277
2278                 LyXLayout const & style = textclasslist
2279                         .Style(buffer_->params.textclass,
2280                                lt->cursor.par()->getLayout());
2281
2282                 if (style.free_spacing) {
2283                         lt->insertChar(bv_, ' ');
2284                         update(lt,
2285                                BufferView::SELECT
2286                                | BufferView::FITCUR
2287                                | BufferView::CHANGE);
2288                 } else {
2289                         protectedBlank(lt);
2290                 }
2291                 moveCursorUpdate(false);
2292         }
2293         break;
2294                 
2295         case LFUN_SETMARK:
2296         {
2297                 LyXText * lt = bv_->getLyXText();
2298
2299                 if (lt->selection.mark()) {
2300                         beforeChange(lt);
2301                         update(lt,
2302                                BufferView::SELECT
2303                                | BufferView::FITCUR);
2304                         owner_->getLyXFunc()->setMessage(N_("Mark removed"));
2305                 } else {
2306                         beforeChange(lt);
2307                         lt->selection.mark(true);
2308                         update(lt,
2309                                BufferView::SELECT
2310                                | BufferView::FITCUR);
2311                         owner_->getLyXFunc()->setMessage(N_("Mark set"));
2312                 }
2313                 lt->selection.cursor = lt->cursor;
2314         }
2315         break;
2316                 
2317         case LFUN_DELETE:
2318         {
2319                 LyXText * lt = bv_->getLyXText();
2320
2321                 if (!lt->selection.set()) {
2322                         lt->Delete(bv_);
2323                         lt->selection.cursor = lt->cursor;
2324                         update(lt,
2325                                BufferView::SELECT
2326                                | BufferView::FITCUR
2327                                | BufferView::CHANGE);
2328                         // It is possible to make it a lot faster still
2329                         // just comment out the line below...
2330                         showCursor();
2331                 } else {
2332                         bv_->cut();
2333                 }
2334                 moveCursorUpdate(false);
2335                 owner_->showState();
2336                 setState();
2337         }
2338         break;
2339
2340         case LFUN_DELETE_SKIP:
2341         {
2342                 LyXText * lt = bv_->getLyXText();
2343
2344                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2345                 
2346                 LyXCursor cursor = lt->cursor;
2347
2348                 if (!lt->selection.set()) {
2349                         if (cursor.pos() == cursor.par()->size()) {
2350                                 lt->cursorRight(bv_);
2351                                 cursor = lt->cursor;
2352                                 if (cursor.pos() == 0
2353                                     && !(cursor.par()->params().spaceTop()
2354                                          == VSpace (VSpace::NONE))) {
2355                                         lt->setParagraph
2356                                                 (bv_,
2357                                                  cursor.par()->params().lineTop(),
2358                                                  cursor.par()->params().lineBottom(),
2359                                                  cursor.par()->params().pagebreakTop(), 
2360                                                  cursor.par()->params().pagebreakBottom(),
2361                                                  VSpace(VSpace::NONE), 
2362                                                  cursor.par()->params().spaceBottom(),
2363                                                  cursor.par()->params().align(), 
2364                                                  cursor.par()->params().labelWidthString(), 0);
2365                                         lt->cursorLeft(bv_);
2366                                         update(lt, 
2367                                                BufferView::SELECT
2368                                                | BufferView::FITCUR
2369                                                | BufferView::CHANGE);
2370                                 } else {
2371                                         lt->cursorLeft(bv_);
2372                                         lt->Delete(bv_);
2373                                         lt->selection.cursor = lt->cursor;
2374                                         update(lt,
2375                                                BufferView::SELECT
2376                                                | BufferView::FITCUR
2377                                                | BufferView::CHANGE);
2378                                 }
2379                         } else {
2380                                 lt->Delete(bv_);
2381                                 lt->selection.cursor = lt->cursor;
2382                                 update(lt,
2383                                        BufferView::SELECT
2384                                        | BufferView::FITCUR
2385                                        | BufferView::CHANGE);
2386                         }
2387                 } else {
2388                         bv_->cut();
2389                 }
2390         }
2391         break;
2392
2393         /* -------> Delete word forward. */
2394         case LFUN_DELETE_WORD_FORWARD:
2395                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
2396                 bv_->getLyXText()->deleteWordForward(bv_);
2397                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2398                 moveCursorUpdate(false);
2399                 owner_->showState();
2400                 break;
2401
2402                 /* -------> Delete word backward. */
2403         case LFUN_DELETE_WORD_BACKWARD:
2404         {
2405                 LyXText * lt = bv_->getLyXText();
2406                 
2407                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2408                 lt->deleteWordBackward(bv_);
2409                 update(lt,
2410                        BufferView::SELECT
2411                        | BufferView::FITCUR
2412                        | BufferView::CHANGE);
2413                 moveCursorUpdate(false);
2414                 owner_->showState();
2415         }
2416         break;
2417                 
2418                 /* -------> Kill to end of line. */
2419         case LFUN_DELETE_LINE_FORWARD:
2420         {
2421                 LyXText * lt = bv_->getLyXText();
2422                 
2423                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2424                 lt->deleteLineForward(bv_);
2425                 update(lt,
2426                        BufferView::SELECT
2427                        | BufferView::FITCUR
2428                        | BufferView::CHANGE);
2429                 moveCursorUpdate(false);
2430         }
2431         break;
2432                 
2433                 /* -------> Set mark off. */
2434         case LFUN_MARK_OFF:
2435         {
2436                 LyXText * lt = bv_->getLyXText();
2437                 
2438                 beforeChange(lt);
2439                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2440                 lt->selection.cursor = lt->cursor;
2441                 owner_->getLyXFunc()->setMessage(N_("Mark off"));
2442         }
2443         break;
2444
2445                 /* -------> Set mark on. */
2446         case LFUN_MARK_ON:
2447         {
2448                 LyXText * lt = bv_->getLyXText();
2449                 
2450                 beforeChange(lt);
2451                 lt->selection.mark(true);
2452                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2453                 lt->selection.cursor = lt->cursor;
2454                 owner_->getLyXFunc()->setMessage(N_("Mark on"));
2455         }
2456         break;
2457                 
2458         case LFUN_BACKSPACE:
2459         {
2460                 LyXText * lt = bv_->getLyXText();
2461                 
2462                 if (!lt->selection.set()) {
2463                         if (owner_->getIntl()->getTrans().backspace()) {
2464                                 lt->backspace(bv_);
2465                                 lt->selection.cursor = lt->cursor;
2466                                 update(lt,
2467                                        BufferView::SELECT
2468                                        | BufferView::FITCUR
2469                                        | BufferView::CHANGE);
2470                                 // It is possible to make it a lot faster still
2471                                 // just comment out the line below...
2472                                 showCursor();
2473                         }
2474                 } else {
2475                         bv_->cut();
2476                 }
2477                 owner_->showState();
2478                 setState();
2479         }
2480         break;
2481
2482         case LFUN_BACKSPACE_SKIP:
2483         {
2484                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2485                 LyXText * lt = bv_->getLyXText();
2486                 
2487                 LyXCursor cursor = lt->cursor;
2488                 
2489                 if (!lt->selection.set()) {
2490                         if (cursor.pos() == 0 
2491                             && !(cursor.par()->params().spaceTop() 
2492                                  == VSpace (VSpace::NONE))) {
2493                                 lt->setParagraph 
2494                                         (bv_,
2495                                          cursor.par()->params().lineTop(),      
2496                                          cursor.par()->params().lineBottom(),
2497                                          cursor.par()->params().pagebreakTop(), 
2498                                          cursor.par()->params().pagebreakBottom(),
2499                                          VSpace(VSpace::NONE), cursor.par()->params().spaceBottom(),
2500                                          cursor.par()->params().align(), 
2501                                          cursor.par()->params().labelWidthString(), 0);
2502                                 update(lt,
2503                                        BufferView::SELECT
2504                                        | BufferView::FITCUR
2505                                        | BufferView::CHANGE);
2506                         } else {
2507                                 lt->backspace(bv_);
2508                                 lt->selection.cursor = cursor;
2509                                 update(lt,
2510                                        BufferView::SELECT
2511                                        | BufferView::FITCUR
2512                                        | BufferView::CHANGE);
2513                         }
2514                 } else
2515                         bv_->cut();
2516         }
2517         break;
2518
2519         case LFUN_BREAKPARAGRAPH:
2520         {
2521                 LyXText * lt = bv_->getLyXText();
2522                 
2523                 beforeChange(lt);
2524                 lt->breakParagraph(bv_, 0);
2525                 update(lt,
2526                        BufferView::SELECT
2527                        | BufferView::FITCUR
2528                        | BufferView::CHANGE);
2529                 lt->selection.cursor = lt->cursor;
2530                 setState();
2531                 owner_->showState();
2532                 break;
2533         }
2534
2535         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
2536         {
2537                 LyXText * lt = bv_->getLyXText();
2538                 
2539                 beforeChange(lt);
2540                 lt->breakParagraph(bv_, 1);
2541                 update(lt,
2542                        BufferView::SELECT
2543                        | BufferView::FITCUR
2544                        | BufferView::CHANGE);
2545                 lt->selection.cursor = lt->cursor;
2546                 setState();
2547                 owner_->showState();
2548                 break;
2549         }
2550         
2551         case LFUN_BREAKPARAGRAPH_SKIP:
2552         {
2553                 // When at the beginning of a paragraph, remove
2554                 // indentation and add a "defskip" at the top.
2555                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
2556                 LyXText * lt = bv_->getLyXText();
2557                 
2558                 LyXCursor cursor = lt->cursor;
2559                 
2560                 beforeChange(lt);
2561                 if (cursor.pos() == 0) {
2562                         if (cursor.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
2563                                 lt->setParagraph
2564                                         (bv_,
2565                                          cursor.par()->params().lineTop(),      
2566                                          cursor.par()->params().lineBottom(),
2567                                          cursor.par()->params().pagebreakTop(), 
2568                                          cursor.par()->params().pagebreakBottom(),
2569                                          VSpace(VSpace::DEFSKIP), cursor.par()->params().spaceBottom(),
2570                                          cursor.par()->params().align(), 
2571                                          cursor.par()->params().labelWidthString(), 1);
2572                                 //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2573                         } 
2574                 }
2575                 else {
2576                         lt->breakParagraph(bv_, 0);
2577                         //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2578                 }
2579
2580                 update(lt,
2581                        BufferView::SELECT
2582                        | BufferView::FITCUR
2583                        | BufferView::CHANGE);
2584                 lt->selection.cursor = cursor;
2585                 setState();
2586                 owner_->showState();
2587         }
2588         break;
2589
2590         case LFUN_PARAGRAPH_SPACING:
2591         {
2592                 LyXText * lt = bv_->getLyXText();
2593                 
2594                 Paragraph * par = lt->cursor.par();
2595                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
2596                 float cur_value = 1.0;
2597                 if (cur_spacing == Spacing::Other) {
2598                         cur_value = par->params().spacing().getValue();
2599                 }
2600                 
2601                 istringstream istr(argument.c_str());
2602
2603                 string tmp;
2604                 istr >> tmp;
2605                 Spacing::Space new_spacing = cur_spacing;
2606                 float new_value = cur_value;
2607                 if (tmp.empty()) {
2608                         lyxerr << "Missing argument to `paragraph-spacing'"
2609                                << endl;
2610                 } else if (tmp == "single") {
2611                         new_spacing = Spacing::Single;
2612                 } else if (tmp == "onehalf") {
2613                         new_spacing = Spacing::Onehalf;
2614                 } else if (tmp == "double") {
2615                         new_spacing = Spacing::Double;
2616                 } else if (tmp == "other") {
2617                         new_spacing = Spacing::Other;
2618                         float tmpval = 0.0;
2619                         istr >> tmpval;
2620                         lyxerr << "new_value = " << tmpval << endl;
2621                         if (tmpval != 0.0)
2622                                 new_value = tmpval;
2623                 } else if (tmp == "default") {
2624                         new_spacing = Spacing::Default;
2625                 } else {
2626                         lyxerr << _("Unknown spacing argument: ")
2627                                << argument << endl;
2628                 }
2629                 if (cur_spacing != new_spacing || cur_value != new_value) {
2630                         par->params().spacing(Spacing(new_spacing, new_value));
2631                         lt->redoParagraph(bv_);
2632                         update(lt,
2633                                BufferView::SELECT
2634                                | BufferView::FITCUR
2635                                | BufferView::CHANGE);
2636                 }
2637         }
2638         break;
2639         
2640         case LFUN_INSET_TOGGLE:
2641         {
2642                 LyXText * lt = bv_->getLyXText();
2643                 hideCursor();
2644                 beforeChange(lt);
2645                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2646                 lt->toggleInset(bv_);
2647                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2648                 setState();
2649         }       
2650                 break;
2651
2652         case LFUN_QUOTE:
2653                 bv_->insertCorrectQuote();
2654                 break;
2655
2656         case LFUN_HTMLURL:
2657         case LFUN_URL:
2658         {
2659                 InsetCommandParams p;
2660                 if (action == LFUN_HTMLURL)
2661                         p.setCmdName("htmlurl");
2662                 else
2663                         p.setCmdName("url");
2664                 owner_->getDialogs()->createUrl( p.getAsString() );
2665         }
2666         break;
2667         
2668         case LFUN_INSERT_URL:
2669         {
2670                 InsetCommandParams p;
2671                 p.setFromString( argument );
2672
2673                 InsetUrl * inset = new InsetUrl( p );
2674                 if (!insertInset(inset))
2675                         delete inset;
2676                 else
2677                         updateInset( inset, true );
2678         }
2679         break;
2680         
2681         case LFUN_INSET_TEXT:
2682         {
2683                 InsetText * new_inset = new InsetText;
2684                 if (insertInset(new_inset))
2685                         new_inset->edit(bv_, 0, 0, 0);
2686                 else
2687                         delete new_inset;
2688         }
2689         break;
2690         
2691         case LFUN_INSET_ERT:
2692         {
2693                 InsetERT * new_inset = new InsetERT;
2694                 if (insertInset(new_inset))
2695                         new_inset->edit(bv_, 0, 0, 0);
2696                 else
2697                         delete new_inset;
2698         }
2699         break;
2700         
2701         case LFUN_INSET_EXTERNAL:
2702         {
2703                 InsetExternal * new_inset = new InsetExternal;
2704                 if (insertInset(new_inset))
2705                         new_inset->edit(bv_, 0, 0, 0);
2706                 else
2707                         delete new_inset;
2708         }
2709         break;
2710         
2711         case LFUN_INSET_FOOTNOTE:
2712         {
2713                 InsetFoot * new_inset = new InsetFoot;
2714                 if (insertInset(new_inset))
2715                         new_inset->edit(bv_, 0, 0, 0);
2716                 else
2717                         delete new_inset;
2718         }
2719         break;
2720
2721         case LFUN_INSET_MARGINAL:
2722         {
2723                 InsetMarginal * new_inset = new InsetMarginal;
2724                 if (insertInset(new_inset))
2725                         new_inset->edit(bv_, 0, 0, 0);
2726                 else
2727                         delete new_inset;
2728         }
2729         break;
2730
2731         case LFUN_INSET_MINIPAGE:
2732         {
2733                 InsetMinipage * new_inset = new InsetMinipage;
2734                 if (insertInset(new_inset))
2735                         new_inset->edit(bv_, 0, 0, 0);
2736                 else
2737                         delete new_inset;
2738         }
2739         break;
2740
2741         case LFUN_INSET_FLOAT:
2742         {
2743                 // check if the float type exist
2744                 if (floatList.typeExist(argument)) {
2745                         InsetFloat * new_inset = new InsetFloat(argument);
2746                         if (insertInset(new_inset))
2747                                 new_inset->edit(bv_, 0, 0, 0);
2748                         else
2749                                 delete new_inset;
2750                 } else {
2751                         lyxerr << "Non-existant float type: "
2752                                << argument << endl;
2753                 }
2754                 
2755         }
2756         break;
2757
2758         case LFUN_INSET_WIDE_FLOAT:
2759         {
2760                 // check if the float type exist
2761                 if (floatList.typeExist(argument)) {
2762                         InsetFloat * new_inset = new InsetFloat(argument);
2763                         new_inset->wide(true);
2764                         if (insertInset(new_inset))
2765                                 new_inset->edit(bv_, 0, 0, 0);
2766                         else
2767                                 delete new_inset;
2768                 } else {
2769                         lyxerr << "Non-existant float type: "
2770                                << argument << endl;
2771                 }
2772                 
2773         }
2774         break;
2775
2776         case LFUN_INSET_LIST:
2777         {
2778                 InsetList * new_inset = new InsetList;
2779                 if (insertInset(new_inset))
2780                         new_inset->edit(bv_, 0, 0, 0);
2781                 else
2782                         delete new_inset;
2783         }
2784         break;
2785
2786         case LFUN_INSET_THEOREM:
2787         {
2788                 InsetTheorem * new_inset = new InsetTheorem;
2789                 if (insertInset(new_inset))
2790                         new_inset->edit(bv_, 0, 0, 0);
2791                 else
2792                         delete new_inset;
2793         }
2794         break;
2795
2796         case LFUN_INSET_CAPTION:
2797         {
2798                 // Do we have a locking inset...
2799                 if (bv_->theLockingInset()) {
2800                         lyxerr << "Locking inset code: "
2801                                << static_cast<int>(bv_->theLockingInset()->lyxCode());
2802                         InsetCaption * new_inset = new InsetCaption;
2803                         new_inset->setOwner(bv_->theLockingInset());
2804                         new_inset->setAutoBreakRows(true);
2805                         new_inset->setDrawFrame(0, InsetText::LOCKED);
2806                         new_inset->setFrameColor(0, LColor::captionframe);
2807                         if (insertInset(new_inset))
2808                                 new_inset->edit(bv_, 0, 0, 0);
2809                         else
2810                                 delete new_inset;
2811                 }
2812         }
2813         break;
2814         
2815         case LFUN_INSET_TABULAR:
2816         {
2817                 int r = 2;
2818                 int c = 2;
2819                 if (!argument.empty())
2820                         ::sscanf(argument.c_str(),"%d%d", &r, &c);
2821                 InsetTabular * new_inset =
2822                         new InsetTabular(*buffer_, r, c);
2823                 bool const rtl =
2824                         bv_->getLyXText()->real_current_font.isRightToLeft();
2825                 if (!open_new_inset(new_inset, rtl))
2826                         delete new_inset;
2827         }
2828         break;
2829
2830         // --- lyxserver commands ----------------------------
2831
2832         case LFUN_CHARATCURSOR:
2833         {
2834                 Paragraph::size_type pos = bv_->getLyXText()->cursor.pos();
2835                 if (pos < bv_->getLyXText()->cursor.par()->size())
2836                         owner_->getLyXFunc()->setMessage(
2837                                 tostr(bv_->getLyXText()->cursor.par()->getChar(pos)));
2838                 else
2839                         owner_->getLyXFunc()->setMessage("EOF");
2840         }
2841         break;
2842         
2843         case LFUN_GETXY:
2844                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.x())
2845                                                  + ' '
2846                                                  + tostr(bv_->getLyXText()->cursor.y()));
2847                 break;
2848                 
2849         case LFUN_SETXY:
2850         {
2851                 int x = 0;
2852                 int y = 0;
2853                 if (::sscanf(argument.c_str(), " %d %d", &x, &y) != 2) {
2854                         lyxerr << "SETXY: Could not parse coordinates in '"
2855                                << argument << std::endl;
2856                 }
2857                 bv_->getLyXText()->setCursorFromCoordinates(bv_, x, y);
2858         }
2859         break;
2860         
2861         case LFUN_GETLAYOUT:
2862                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.par()->layout));
2863                 break;
2864                         
2865         case LFUN_GETFONT:
2866         {
2867                 LyXFont & font = bv_->getLyXText()->current_font;
2868                 if (font.shape() == LyXFont::ITALIC_SHAPE)
2869                         owner_->getLyXFunc()->setMessage("E");
2870                 else if (font.shape() == LyXFont::SMALLCAPS_SHAPE)
2871                         owner_->getLyXFunc()->setMessage("N");
2872                 else
2873                         owner_->getLyXFunc()->setMessage("0");
2874
2875         }
2876         break;
2877
2878         case LFUN_GETLATEX:
2879         {
2880 #ifndef NO_LATEX
2881                 LyXFont & font = bv_->getLyXText()->current_font;
2882                 if (font.latex() == LyXFont::ON)
2883                         owner_->getLyXFunc()->setMessage("L");
2884                 else
2885 #endif
2886                         owner_->getLyXFunc()->setMessage("0");
2887         }
2888         break;
2889
2890         // --- accented characters ---------------------------
2891                 
2892         case LFUN_UMLAUT:
2893         case LFUN_CIRCUMFLEX:
2894         case LFUN_GRAVE:
2895         case LFUN_ACUTE:
2896         case LFUN_TILDE:
2897         case LFUN_CEDILLA:
2898         case LFUN_MACRON:
2899         case LFUN_DOT:
2900         case LFUN_UNDERDOT:
2901         case LFUN_UNDERBAR:
2902         case LFUN_CARON:
2903         case LFUN_SPECIAL_CARON:
2904         case LFUN_BREVE:
2905         case LFUN_TIE:
2906         case LFUN_HUNG_UMLAUT:
2907         case LFUN_CIRCLE:
2908         case LFUN_OGONEK:
2909                 if (argument.empty()) {
2910                         // As always...
2911                         owner_->getLyXFunc()->handleKeyFunc(action);
2912                 } else {
2913                         owner_->getLyXFunc()->handleKeyFunc(action);
2914                         owner_->getIntl()->getTrans()
2915                                 .TranslateAndInsert(argument[0], bv_->getLyXText());
2916                         update(bv_->getLyXText(),
2917                                BufferView::SELECT
2918                                | BufferView::FITCUR
2919                                | BufferView::CHANGE);
2920                 }
2921                 break;
2922         
2923         case LFUN_MATH_MACRO:
2924                 mathDispatchMathMacro(bv_, argument);
2925                 break;
2926
2927         case LFUN_MATH_DELIM:     
2928                 mathDispatchMathDelim(bv_, argument);
2929                 break;
2930
2931         case LFUN_INSERT_MATRIX:
2932                 mathDispatchInsertMatrix(bv_, argument);
2933                 break;
2934
2935         case LFUN_INSERT_MATH:
2936                 mathDispatchInsertMath(bv_, argument);
2937                 break;
2938
2939         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
2940                 mathDispatchMathImportSelection(bv_, argument);
2941                 break;
2942
2943         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
2944                 mathDispatchMathDisplay(bv_, argument);
2945                 break;
2946
2947         case LFUN_MATH_MODE:             // Open or create an inlined math inset 
2948                 mathDispatchMathMode(bv_, argument);
2949                 break;
2950                 
2951         case LFUN_CITATION_INSERT:
2952         {
2953                 InsetCommandParams p;
2954                 p.setFromString( argument );
2955
2956                 InsetCitation * inset = new InsetCitation( p );
2957                 if (!insertInset(inset))
2958                         delete inset;
2959                 else
2960                         updateInset( inset, true );
2961         }
2962         break;
2963                     
2964         case LFUN_INSERT_BIBTEX:
2965         {   
2966                 // ale970405+lasgoutt970425
2967                 // The argument can be up to two tokens separated 
2968                 // by a space. The first one is the bibstyle.
2969                 string const db       = token(argument, ' ', 0);
2970                 string bibstyle = token(argument, ' ', 1);
2971                 if (bibstyle.empty())
2972                         bibstyle = "plain";
2973
2974                 InsetCommandParams p( "BibTeX", db, bibstyle );
2975                 InsetBibtex * inset = new InsetBibtex(p);
2976                 
2977                 if (insertInset(inset)) {
2978                         if (argument.empty())
2979                                 inset->edit(bv_, 0, 0, 0);
2980                 } else
2981                         delete inset;
2982         }
2983         break;
2984                 
2985         // BibTeX data bases
2986         case LFUN_BIBDB_ADD:
2987         {
2988                 InsetBibtex * inset = 
2989                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
2990                 if (inset) {
2991                         inset->addDatabase(argument);
2992                 }
2993         }
2994         break;
2995                     
2996         case LFUN_BIBDB_DEL:
2997         {
2998                 InsetBibtex * inset = 
2999                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3000                 if (inset) {
3001                         inset->delDatabase(argument);
3002                 }
3003         }
3004         break;
3005         
3006         case LFUN_BIBTEX_STYLE:
3007         {
3008                 InsetBibtex * inset = 
3009                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3010                 if (inset) {
3011                         inset->setOptions(argument);
3012                 }
3013         }
3014         break;
3015                 
3016         case LFUN_INDEX_CREATE:
3017         {
3018                 InsetCommandParams p( "index" );
3019                 
3020                 if (argument.empty()) {
3021                         // Get the word immediately preceding the cursor
3022                         Paragraph::size_type curpos = 
3023                                 bv_->getLyXText()->cursor.pos() - 1;
3024
3025                         string curstring;
3026                         if (curpos >= 0 )
3027                                 curstring = bv_->getLyXText()
3028                                         ->cursor.par()->getWord(curpos);
3029
3030                         p.setContents( curstring );
3031                 } else {
3032                         p.setContents( argument );
3033                 }
3034
3035                 owner_->getDialogs()->createIndex( p.getAsString() );
3036         }
3037         break;
3038                     
3039         case LFUN_INDEX_INSERT:
3040         {
3041                 InsetCommandParams p;
3042                 p.setFromString(argument);
3043                 InsetIndex * inset = new InsetIndex(p);
3044
3045                 if (!insertInset(inset))
3046                         delete inset;
3047                 else
3048                         updateInset(inset, true);
3049         }
3050         break;
3051                     
3052         case LFUN_INDEX_INSERT_LAST:
3053         {
3054                 // Get word immediately preceding the cursor
3055                 Paragraph::size_type curpos = 
3056                         bv_->getLyXText()->cursor.pos() - 1;
3057                 // Can't do that at the beginning of a paragraph
3058                 if (curpos < 0) break;
3059
3060                 string const curstring(bv_->getLyXText()
3061                                        ->cursor.par()->getWord(curpos));
3062
3063                 InsetCommandParams p("index", curstring);
3064                 InsetIndex * inset = new InsetIndex(p);
3065
3066                 if (!insertInset(inset))
3067                         delete inset;
3068                 else
3069                         updateInset(inset, true);
3070         }
3071         break;
3072
3073         case LFUN_INDEX_PRINT:
3074         {
3075                 InsetCommandParams p("printindex");
3076                 Inset * inset = new InsetPrintIndex(p);
3077                 if (!insertInset(inset, "Standard"))
3078                         delete inset;
3079         }
3080         break;
3081
3082         case LFUN_PARENTINSERT:
3083         {
3084                 lyxerr << "arg " << argument << endl;
3085                 InsetCommandParams p( "lyxparent", argument );
3086                 Inset * inset = new InsetParent(p, *buffer_);
3087                 if (!insertInset(inset, "Standard"))
3088                         delete inset;
3089         }
3090                  
3091         break;
3092
3093         case LFUN_CHILD_INSERT:
3094         {
3095                 InsetInclude::Params p;
3096                 p.cparams.setFromString(argument);
3097                 p.masterFilename_ = buffer_->fileName();
3098
3099                 InsetInclude * inset = new InsetInclude(p);
3100                 if (!insertInset(inset))
3101                         delete inset;
3102                 else {
3103                         updateInset(inset, true);
3104                         bv_->owner()->getDialogs()->showInclude(inset);
3105                 }
3106         }
3107         break; 
3108
3109         case LFUN_FLOAT_LIST:
3110         {
3111                 // We should check the argument for validity. (Lgb)
3112                 Inset * inset = new InsetFloatList(argument);
3113                 if (!insertInset(inset, "Standard"))
3114                         delete inset;
3115         }
3116         break;
3117         
3118         case LFUN_INSERT_NOTE:
3119                 insertNote();
3120                 break;
3121
3122         case LFUN_SELFINSERT:
3123         {
3124                 if (argument.empty()) break;
3125                 
3126                 /* Automatically delete the currently selected
3127                  * text and replace it with what is being
3128                  * typed in now. Depends on lyxrc settings
3129                  * "auto_region_delete", which defaults to
3130                  * true (on). */
3131
3132                 LyXText * lt = bv_->getLyXText();
3133                 
3134                 if (lyxrc.auto_region_delete) {
3135                         if (lt->selection.set()) {
3136                                 lt->cutSelection(bv_, false);
3137                                 bv_->update(lt,
3138                                             BufferView::SELECT
3139                                             | BufferView::FITCUR
3140                                             | BufferView::CHANGE);
3141                         }
3142                 }
3143                 
3144                 bv_->beforeChange(lt);
3145                 LyXFont const old_font(lt->real_current_font);
3146                 
3147                 string::const_iterator cit = argument.begin();
3148                 string::const_iterator end = argument.end();
3149                 for (; cit != end; ++cit) {
3150                         if (greek_kb_flag) {
3151                                 if (!math_insert_greek(bv_, *cit))
3152                                         owner_->getIntl()->getTrans().TranslateAndInsert(*cit, lt);
3153                         } else
3154                                 owner_->getIntl()->getTrans().TranslateAndInsert(*cit, lt);
3155                 }
3156                 
3157                 bv_->update(lt,
3158                             BufferView::SELECT
3159                             | BufferView::FITCUR
3160                             | BufferView::CHANGE);
3161                 
3162                 lt->selection.cursor = lt->cursor;
3163                 moveCursorUpdate(false);
3164                 
3165                 // real_current_font.number can change so we need to
3166                 // update the minibuffer
3167                 if (old_font != lt->real_current_font)
3168                         owner_->showState();
3169                 //return string();
3170         }
3171         break;
3172
3173         case LFUN_DATE_INSERT:  // jdblair: date-insert cmd
3174         {
3175                 time_t now_time_t = time(NULL);
3176                 struct tm * now_tm = localtime(&now_time_t);
3177                 setlocale(LC_TIME, "");
3178                 string arg;
3179                 if (!argument.empty())
3180                         arg = argument;
3181                 else 
3182                         arg = lyxrc.date_insert_format;
3183                 char datetmp[32];
3184                 int const datetmp_len =
3185                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
3186
3187                 LyXText * lt = bv_->getLyXText();
3188                 
3189                 for (int i = 0; i < datetmp_len; i++) {
3190                         lt->insertChar(bv_, datetmp[i]);
3191                         update(lt,
3192                                BufferView::SELECT
3193                                | BufferView::FITCUR
3194                                | BufferView::CHANGE);
3195                 }
3196
3197                 lt->selection.cursor = lt->cursor;
3198                 moveCursorUpdate(false);
3199         }
3200         break;
3201
3202         case LFUN_UNKNOWN_ACTION:
3203                 owner_->getLyXFunc()->setErrorMessage(N_("Unknown function!"));
3204                 break;
3205         
3206         default:
3207                 return false;
3208         } // end of switch
3209
3210         return true;
3211 }
3212
3213
3214 void BufferView::Pimpl::newline()
3215 {
3216         if (available()) {
3217                 LyXText * lt = bv_->getLyXText();
3218                 hideCursor();
3219                 update(lt,
3220                        BufferView::SELECT
3221                        | BufferView::FITCUR);
3222                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
3223                 update(lt,
3224                        BufferView::SELECT
3225                        | BufferView::FITCUR
3226                        | BufferView::CHANGE);
3227         }
3228 }
3229
3230
3231 void BufferView::Pimpl::hfill()
3232 {
3233         if (available()) {
3234                 LyXText * lt = bv_->getLyXText();
3235                 hideCursor();
3236                 update(lt,
3237                        BufferView::SELECT
3238                        | BufferView::FITCUR);
3239                 lt->insertChar(bv_, Paragraph::META_HFILL);
3240                 update(lt,
3241                        BufferView::SELECT
3242                        | BufferView::FITCUR
3243                        | BufferView::CHANGE);
3244         }
3245 }
3246
3247
3248 void BufferView::Pimpl::protectedBlank(LyXText * lt)
3249 {
3250         if (available()) {
3251                 hideCursor();
3252                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3253                 InsetSpecialChar * new_inset =
3254                         new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
3255                 if (!insertInset(new_inset))
3256                         delete new_inset;
3257                 else
3258                         updateInset(new_inset, true);
3259         }
3260 }
3261
3262
3263 void BufferView::Pimpl::menuSeparator()
3264 {
3265         if (available()) {
3266                 LyXText * lt = bv_->getLyXText();
3267                 
3268                 hideCursor();
3269                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3270                 InsetSpecialChar * new_inset = 
3271                         new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR);
3272                 insertInset(new_inset);
3273         }
3274 }
3275
3276
3277 void BufferView::Pimpl::endOfSentenceDot()
3278 {
3279         if (available()) {
3280                 hideCursor();
3281                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
3282                 InsetSpecialChar * new_inset = 
3283                         new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
3284                 insertInset(new_inset);
3285         }
3286 }
3287
3288
3289 void BufferView::Pimpl::ldots()
3290 {
3291         if (available())  {
3292                 hideCursor();
3293                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
3294                 InsetSpecialChar * new_inset = 
3295                         new InsetSpecialChar(InsetSpecialChar::LDOTS);
3296                 insertInset(new_inset);
3297         }
3298 }
3299
3300
3301 void BufferView::Pimpl::hyphenationPoint()
3302 {
3303         if (available()) {
3304                 hideCursor();
3305                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
3306                 InsetSpecialChar * new_inset = 
3307                         new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
3308                 insertInset(new_inset);
3309         }
3310 }
3311
3312
3313 void BufferView::Pimpl::insertNote()
3314 {
3315         InsetInfo * new_inset = new InsetInfo();
3316         insertInset(new_inset);
3317         new_inset->edit(bv_, 0, 0, 0);
3318 }
3319
3320
3321 // Open and lock an updatable inset
3322 bool BufferView::Pimpl::open_new_inset(UpdatableInset * new_inset, bool behind)
3323 {
3324         LyXText * lt = bv_->getLyXText();
3325         
3326         beforeChange(lt);
3327         finishUndo();
3328         if (!insertInset(new_inset)) {
3329                 delete new_inset;
3330                 return false;
3331         }
3332         if (behind) {
3333                 LyXFont & font = lt->real_current_font;
3334                 new_inset->edit(bv_, new_inset->width(bv_, font), 0, 0);
3335         } else
3336                 new_inset->edit(bv_, 0, 0, 0);
3337         return true;
3338 }
3339
3340
3341 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
3342 {
3343         // if we are in a locking inset we should try to insert the
3344         // inset there otherwise this is a illegal function now
3345         if (bv_->theLockingInset()) {
3346                 if (bv_->theLockingInset()->insetAllowed(inset))
3347                     return bv_->theLockingInset()->insertInset(bv_, inset);
3348                 return false;
3349         }
3350
3351         // not quite sure if we want this...
3352         setCursorParUndo(bv_);
3353         freezeUndo();
3354         
3355         beforeChange(bv_->text);
3356         if (!lout.empty()) {
3357                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3358                 bv_->text->breakParagraph(bv_);
3359                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3360
3361                 if (bv_->text->cursor.par()->size()) {
3362                         bv_->text->cursorLeft(bv_);
3363                         
3364                         bv_->text->breakParagraph(bv_);
3365                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3366                 }
3367
3368                 pair<bool, LyXTextClass::size_type> lres =
3369                         textclasslist.NumberOfLayout(buffer_->params
3370                                                      .textclass, lout);
3371                 LyXTextClass::size_type lay;
3372                 if (lres.first != false) {
3373                         // layout found
3374                         lay = lres.second;
3375                 } else {
3376                         // layout not fount using default "Standard" (0)
3377                         lay = 0;
3378                 }
3379                  
3380                 bv_->text->setLayout(bv_, lay);
3381                 
3382                 bv_->text->setParagraph(bv_, 0, 0,
3383                                    0, 0,
3384                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
3385                                    LYX_ALIGN_LAYOUT, 
3386                                    string(),
3387                                    0);
3388                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3389 #ifndef NO_LATEX
3390                 bv_->text->current_font.setLatex(LyXFont::OFF);
3391 #endif
3392         }
3393         
3394         bv_->text->insertInset(bv_, inset);
3395         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3396
3397         unFreezeUndo();
3398         return true;
3399 }
3400
3401
3402 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
3403 {
3404         if (!inset)
3405                 return;
3406
3407         // first check for locking insets
3408         if (bv_->theLockingInset()) {
3409                 if (bv_->theLockingInset() == inset) {
3410                         if (bv_->text->updateInset(bv_, inset)) {
3411                                 update();
3412                                 if (mark_dirty) {
3413                                         buffer_->markDirty();
3414                                 }
3415                                 updateScrollbar();
3416                                 return;
3417                         }
3418                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
3419                         if (bv_->text->updateInset(bv_,
3420                                                    bv_->theLockingInset())) {
3421                                 update();
3422                                 if (mark_dirty){
3423                                         buffer_->markDirty();
3424                                 }
3425                                 updateScrollbar();
3426                                 return;
3427                         }
3428                 }
3429         }
3430   
3431         // then check the current buffer
3432         if (available()) {
3433                 hideCursor();
3434                 update(bv_->text, BufferView::UPDATE);
3435                 if (bv_->text->updateInset(bv_, inset)) {
3436                         if (mark_dirty) {
3437                                 update(bv_->text,
3438                                        BufferView::SELECT
3439                                        | BufferView::FITCUR
3440                                        | BufferView::CHANGE);
3441                         } else {
3442                                 update(bv_->text, SELECT);
3443                         }
3444                         return;
3445                 }
3446         }
3447 }
3448
3449
3450 void BufferView::Pimpl::gotoInset(vector<Inset::Code> const & codes,
3451                                   bool same_content)
3452 {
3453         if (!available()) return;
3454         
3455         hideCursor();
3456         beforeChange(bv_->text);
3457         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3458         
3459         string contents;
3460         if (same_content &&
3461             bv_->text->cursor.par()->getChar(bv_->text->cursor.pos()) == Paragraph::META_INSET) {
3462                 Inset const * inset = bv_->text->cursor.par()->getInset(bv_->text->cursor.pos());
3463                 if (find(codes.begin(), codes.end(), inset->lyxCode())
3464                     != codes.end())
3465                         contents =
3466                                 static_cast<InsetCommand const *>(inset)->getContents();
3467         }
3468         
3469         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3470                 if (bv_->text->cursor.pos() 
3471                     || bv_->text->cursor.par() != bv_->text->firstParagraph()) {
3472                         LyXCursor tmp = bv_->text->cursor;
3473                         bv_->text->cursor.par(bv_->text->firstParagraph());
3474                         bv_->text->cursor.pos(0);
3475                         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3476                                 bv_->text->cursor = tmp;
3477                                 bv_->owner()->message(_("No more insets"));
3478                         }
3479                 } else {
3480                         bv_->owner()->message(_("No more insets"));
3481                 }
3482         }
3483         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3484         bv_->text->selection.cursor = bv_->text->cursor;
3485 }
3486
3487
3488 void BufferView::Pimpl::gotoInset(Inset::Code code, bool same_content)
3489 {
3490         gotoInset(vector<Inset::Code>(1, code), same_content);
3491 }