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1 #include <config.h>
2
3 #ifdef __GNUG__
4 #pragma implementation
5 #endif
6
7 #include "BufferView_pimpl.h"
8 #include "WorkArea.h"
9 #include "lyxscreen.h"
10 #include "lyxtext.h"
11 #include "lyxrow.h"
12 #include "paragraph.h"
13 #include "LyXView.h"
14 #include "commandtags.h"
15 #include "lyxfunc.h"
16 #include "debug.h"
17 #include "font.h"
18 #include "bufferview_funcs.h"
19 #include "TextCache.h"
20 #include "bufferlist.h"
21 #include "lyxrc.h"
22 #include "intl.h"
23 // added for Dispatch functions
24 #include "lyx_cb.h"
25 #include "lyx_main.h"
26 #include "FloatList.h"
27 #include "gettext.h"
28 #include "ParagraphParameters.h"
29 #include "undo_funcs.h"
30 #include "lyxtextclasslist.h"
31
32 #include "frontends/Dialogs.h"
33 #include "frontends/Alert.h"
34 #include "frontends/FileDialog.h"
35
36 #include "insets/insetbib.h"
37 #include "insets/insettext.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/insetnote.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/insettabular.h"
55 #if 0
56 #include "insets/insettheorem.h"
57 #include "insets/insetlist.h"
58 #endif
59 #include "insets/insetcaption.h"
60 #include "insets/insetfloatlist.h"
61 #include "insets/insetspecialchar.h"
62
63 #include "mathed/formulabase.h"
64
65 #include "support/LAssert.h"
66 #include "support/lstrings.h"
67 #include "support/filetools.h"
68 #include "support/lyxfunctional.h"
69
70 #include <ctime>
71 #include <unistd.h>
72 #include <sys/wait.h>
73 #include <clocale>
74
75
76 extern string current_layout;
77
78 using std::vector;
79 using std::find_if;
80 using std::find;
81 using std::pair;
82 using std::endl;
83 using std::make_pair;
84 using std::min;
85 using SigC::slot;
86
87 using lyx::pos_type;
88 using lyx::textclass_type;
89
90 /* the selection possible is needed, that only motion events are
91  * used, where the bottom press event was on the drawing area too */
92 bool selection_possible = false;
93
94 extern BufferList bufferlist;
95 extern char ascii_type;
96
97 extern int bibitemMaxWidth(BufferView *, LyXFont const &);
98
99
100 namespace {
101
102 const unsigned int saved_positions_num = 20;
103
104 inline
105 void waitForX()
106 {
107         XSync(fl_get_display(), 0);
108 }
109
110
111 void SetXtermCursor(Window win)
112 {
113         static Cursor cursor;
114         static bool cursor_undefined = true;
115         if (cursor_undefined) {
116                 cursor = XCreateFontCursor(fl_get_display(), XC_xterm);
117                 XFlush(fl_get_display());
118                 cursor_undefined = false;
119         }
120         XDefineCursor(fl_get_display(), win, cursor);
121         XFlush(fl_get_display());
122 }
123
124 } // anon namespace
125
126
127 BufferView::Pimpl::Pimpl(BufferView * b, LyXView * o,
128              int xpos, int ypos, int width, int height)
129         : bv_(b), owner_(o), buffer_(0),
130           current_scrollbar_value(0), cursor_timeout(400),
131           workarea_(xpos, ypos, width, height), using_xterm_cursor(false),
132           inset_slept(false)
133 {
134         // Setup the signals
135         workarea_.scrollCB.connect(slot(this, &BufferView::Pimpl::scrollCB));
136         workarea_.workAreaExpose
137                 .connect(slot(this, &BufferView::Pimpl::workAreaExpose));
138         workarea_.workAreaEnter
139                 .connect(slot(this, &BufferView::Pimpl::enterView));
140         workarea_.workAreaLeave
141                 .connect(slot(this, &BufferView::Pimpl::leaveView));
142         workarea_.workAreaButtonPress
143                 .connect(slot(this, &BufferView::Pimpl::workAreaButtonPress));
144         workarea_.workAreaButtonRelease
145                 .connect(slot(this,
146                               &BufferView::Pimpl::workAreaButtonRelease));
147         workarea_.workAreaMotionNotify
148                 .connect(slot(this, &BufferView::Pimpl::workAreaMotionNotify));
149         workarea_.workAreaDoubleClick
150                 .connect(slot(this, &BufferView::Pimpl::doubleClick));
151         workarea_.workAreaTripleClick
152                 .connect(slot(this, &BufferView::Pimpl::tripleClick));
153         workarea_.workAreaKeyPress
154                 .connect(slot(this, &BufferView::Pimpl::workAreaKeyPress));
155         workarea_.selectionRequested
156                 .connect(slot(this, &BufferView::Pimpl::selectionRequested));
157         workarea_.selectionLost
158                 .connect(slot(this, &BufferView::Pimpl::selectionLost));
159
160         cursor_timeout.timeout.connect(slot(this,
161                                             &BufferView::Pimpl::cursorToggle));
162         cursor_timeout.start();
163         workarea_.setFocus();
164         saved_positions.resize(saved_positions_num);
165 }
166
167
168 Painter & BufferView::Pimpl::painter()
169 {
170         return workarea_.getPainter();
171 }
172
173
174 void BufferView::Pimpl::buffer(Buffer * b)
175 {
176         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
177                             << b << ")" << endl;
178         if (buffer_) {
179                 insetSleep();
180                 buffer_->delUser(bv_);
181
182                 // Put the old text into the TextCache, but
183                 // only if the buffer is still loaded.
184                 // Also set the owner of the test to 0
185                 //              bv_->text->owner(0);
186                 textcache.add(buffer_, workarea_.workWidth(), bv_->text);
187                 if (lyxerr.debugging())
188                         textcache.show(lyxerr, "BufferView::buffer");
189
190                 bv_->text = 0;
191         }
192
193         // Set current buffer
194         buffer_ = b;
195
196         if (bufferlist.getState() == BufferList::CLOSING) return;
197
198         // Nuke old image
199         // screen is always deleted when the buffer is changed.
200         screen_.reset(0);
201
202         // If we are closing the buffer, use the first buffer as current
203         if (!buffer_) {
204                 buffer_ = bufferlist.first();
205         }
206
207         if (buffer_) {
208                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
209                 buffer_->addUser(bv_);
210                 // If we don't have a text object for this, we make one
211                 if (bv_->text == 0) {
212                         resizeCurrentBuffer();
213                 } else {
214                         updateScreen();
215                         updateScrollbar();
216                 }
217                 bv_->text->first_y = screen_->topCursorVisible(bv_->text);
218                 owner_->updateMenubar();
219                 owner_->updateToolbar();
220                 // Similarly, buffer-dependent dialogs should be updated or
221                 // hidden. This should go here because some dialogs (eg ToC)
222                 // require bv_->text.
223                 owner_->getDialogs()->updateBufferDependent(true);
224                 redraw();
225                 insetWakeup();
226         } else {
227                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
228                 owner_->updateMenubar();
229                 owner_->updateToolbar();
230                 owner_->getDialogs()->hideBufferDependent();
231                 updateScrollbar();
232                 workarea_.redraw();
233
234                 // Also remove all remaining text's from the testcache.
235                 // (there should not be any!) (if there is any it is a
236                 // bug!)
237                 if (lyxerr.debugging())
238                         textcache.show(lyxerr, "buffer delete all");
239                 textcache.clear();
240         }
241         // should update layoutchoice even if we don't have a buffer.
242         owner_->updateLayoutChoice();
243
244         owner_->updateWindowTitle();
245 }
246
247
248 void BufferView::Pimpl::resize(int xpos, int ypos, int width, int height)
249 {
250         workarea_.resize(xpos, ypos, width, height);
251         update(bv_->text, SELECT);
252         redraw();
253 }
254
255
256 void BufferView::Pimpl::resize()
257 {
258         if (buffer_)
259                 resizeCurrentBuffer();
260 }
261
262
263 void BufferView::Pimpl::redraw()
264 {
265         lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
266         workarea_.redraw();
267 }
268
269
270 bool BufferView::Pimpl::fitCursor()
271 {
272         lyx::Assert(screen_.get());
273
274         bool ret;
275
276         if (bv_->theLockingInset()) {
277                 bv_->theLockingInset()->fitInsetCursor(bv_);
278                 ret = true;
279         } else {
280                 ret = screen_->fitCursor(bv_->text, bv_);
281         }
282
283         bv_->owner()->getDialogs()->updateParagraph();
284         if (ret)
285             updateScrollbar();
286         return ret;
287 }
288
289
290 void BufferView::Pimpl::redoCurrentBuffer()
291 {
292         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
293         if (buffer_ && bv_->text) {
294                 resize();
295                 owner_->updateLayoutChoice();
296         }
297 }
298
299
300 int BufferView::Pimpl::resizeCurrentBuffer()
301 {
302         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
303
304         Paragraph * par = 0;
305         Paragraph * selstartpar = 0;
306         Paragraph * selendpar = 0;
307         UpdatableInset * the_locking_inset = 0;
308
309         pos_type pos = 0;
310         pos_type selstartpos = 0;
311         pos_type selendpos = 0;
312         bool selection = false;
313         bool mark_set  = false;
314
315         owner_->prohibitInput();
316
317         owner_->message(_("Formatting document..."));
318
319         if (bv_->text) {
320                 par = bv_->text->cursor.par();
321                 pos = bv_->text->cursor.pos();
322                 selstartpar = bv_->text->selection.start.par();
323                 selstartpos = bv_->text->selection.start.pos();
324                 selendpar = bv_->text->selection.end.par();
325                 selendpos = bv_->text->selection.end.pos();
326                 selection = bv_->text->selection.set();
327                 mark_set = bv_->text->selection.mark();
328                 the_locking_inset = bv_->theLockingInset();
329                 delete bv_->text;
330                 bv_->text = new LyXText(bv_);
331                 bv_->text->init(bv_);
332                 buffer_->resizeInsets(bv_);
333         } else {
334                 // See if we have a text in TextCache that fits
335                 // the new buffer_ with the correct width.
336                 bv_->text = textcache.findFit(buffer_, workarea_.workWidth());
337                 if (bv_->text) {
338                         if (lyxerr.debugging()) {
339                                 lyxerr << "Found a LyXText that fits:\n";
340                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_.workWidth(), bv_->text)));
341                         }
342                         // Set the owner of the newly found text
343                         //      bv_->text->owner(bv_);
344                         if (lyxerr.debugging())
345                                 textcache.show(lyxerr, "resizeCurrentBuffer");
346                 } else {
347                         bv_->text = new LyXText(bv_);
348                         bv_->text->init(bv_);
349                         //buffer_->resizeInsets(bv_);
350                 }
351         }
352
353         updateScreen();
354
355         if (par) {
356                 bv_->text->selection.set(true);
357                 // At this point just to avoid the Delete-Empty-Paragraph-
358                 // Mechanism when setting the cursor.
359                 bv_->text->selection.mark(mark_set);
360                 if (selection) {
361                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
362                         bv_->text->selection.cursor = bv_->text->cursor;
363                         bv_->text->setCursor(bv_, selendpar, selendpos);
364                         bv_->text->setSelection(bv_);
365                         bv_->text->setCursor(bv_, par, pos);
366                 } else {
367                         bv_->text->setCursor(bv_, par, pos);
368                         bv_->text->selection.cursor = bv_->text->cursor;
369                         bv_->text->selection.set(false);
370                 }
371                 // remake the inset locking
372                 bv_->theLockingInset(the_locking_inset);
373         }
374
375         bv_->text->first_y = screen_->topCursorVisible(bv_->text);
376
377         // this will scroll the screen such that the cursor becomes visible
378         updateScrollbar();
379         redraw();
380
381         setState();
382         owner_->allowInput();
383
384         /// clear the "Formatting Document" message
385         owner_->message("");
386
387         return 0;
388 }
389
390
391 void BufferView::Pimpl::updateScreen()
392 {
393         // Regenerate the screen.
394         screen_.reset(new LyXScreen(workarea_));
395 }
396
397
398 void BufferView::Pimpl::updateScrollbar()
399 {
400         if (!bv_->text) {
401                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
402                 workarea_.setScrollbar(0, 1.0);
403                 return;
404         }
405
406         long const text_height = bv_->text->height;
407         long const work_height = workarea_.height();
408
409         double const lineh = bv_->text->defaultHeight();
410         double const slider_size =
411                 (text_height == 0) ? 1.0 : 1.0 / double(text_height);
412
413         lyxerr[Debug::GUI] << "text_height now " << text_height << endl;
414         lyxerr[Debug::GUI] << "work_height " << work_height << endl;
415
416         /* If the text is smaller than the working area, the scrollbar
417          * maximum must be the working area height. No scrolling will
418          * be possible */
419         if (text_height <= work_height) {
420                 lyxerr[Debug::GUI] << "doc smaller than workarea !" << endl;
421                 workarea_.setScrollbarBounds(0.0, 0.0);
422                 current_scrollbar_value = bv_->text->first_y;
423                 workarea_.setScrollbar(current_scrollbar_value, 1.0);
424                 return;
425         }
426
427         workarea_.setScrollbarBounds(0.0, text_height - work_height);
428         workarea_.setScrollbarIncrements(lineh);
429         current_scrollbar_value = bv_->text->first_y;
430         workarea_.setScrollbar(current_scrollbar_value, slider_size);
431 }
432
433
434 // Callback for scrollbar slider
435 void BufferView::Pimpl::scrollCB(double value)
436 {
437         lyxerr[Debug::GUI] << "scrollCB of " << value << endl;
438
439         if (!buffer_) return;
440
441         current_scrollbar_value = long(value);
442
443         if (current_scrollbar_value < 0)
444                 current_scrollbar_value = 0;
445
446         if (!screen_.get())
447                 return;
448
449         screen_->draw(bv_->text, bv_, current_scrollbar_value);
450
451         if (!lyxrc.cursor_follows_scrollbar) {
452                 waitForX();
453                 return;
454         }
455
456         LyXText * vbt = bv_->text;
457
458         int const height = vbt->defaultHeight();
459         int const first = static_cast<int>((bv_->text->first_y + height));
460         int const last = static_cast<int>((bv_->text->first_y + workarea_.height() - height));
461
462         if (vbt->cursor.y() < first)
463                 vbt->setCursorFromCoordinates(bv_, 0, first);
464         else if (vbt->cursor.y() > last)
465                 vbt->setCursorFromCoordinates(bv_, 0, last);
466
467         waitForX();
468 }
469
470
471 int BufferView::Pimpl::scrollUp(long time)
472 {
473         if (!buffer_) return 0;
474         if (!screen_.get()) return 0;
475
476         double value = workarea_.getScrollbarValue();
477
478         if (value == 0) return 0;
479
480         float add_value =  (bv_->text->defaultHeight()
481                             + float(time) * float(time) * 0.125);
482
483         if (add_value > workarea_.height())
484                 add_value = float(workarea_.height() -
485                                   bv_->text->defaultHeight());
486
487         value -= add_value;
488
489         if (value < 0)
490                 value = 0;
491
492         workarea_.setScrollbarValue(value);
493
494         scrollCB(value);
495         return 0;
496 }
497
498
499 int BufferView::Pimpl::scrollDown(long time)
500 {
501         if (!buffer_) return 0;
502         if (!screen_.get()) return 0;
503
504         double value = workarea_.getScrollbarValue();
505         pair<float, float> p = workarea_.getScrollbarBounds();
506         double const max = p.second;
507
508         if (value == max) return 0;
509
510         float add_value =  (bv_->text->defaultHeight()
511                             + float(time) * float(time) * 0.125);
512
513         if (add_value > workarea_.height())
514                 add_value = float(workarea_.height() -
515                                   bv_->text->defaultHeight());
516
517         value += add_value;
518
519         if (value > max)
520                 value = max;
521
522         workarea_.setScrollbarValue(value);
523
524         scrollCB(value);
525         return 0;
526 }
527
528
529 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
530 {
531         bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
532 }
533
534
535 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
536 {
537         // Only use motion with button 1
538         if (!(state & Button1MotionMask))
539                 return;
540
541         if (!buffer_ || !screen_.get()) return;
542
543         // Check for inset locking
544         if (bv_->theLockingInset()) {
545                 LyXCursor cursor = bv_->text->cursor;
546                 LyXFont font = bv_->text->getFont(buffer_,
547                                                   cursor.par(), cursor.pos());
548                 int width = bv_->theLockingInset()->width(bv_, font);
549                 int inset_x = font.isVisibleRightToLeft()
550                         ? cursor.ix() - width : cursor.ix();
551                 int start_x = inset_x + bv_->theLockingInset()->scroll();
552                 bv_->theLockingInset()->
553                         insetMotionNotify(bv_,
554                                           x - start_x,
555                                           y - cursor.iy() + bv_->text->first_y,
556                                           state);
557                 return;
558         }
559
560         /* The test for not selection possible is needed, that only motion
561            events are used, where the bottom press event was on
562            the drawing area too */
563         if (!selection_possible)
564                 return;
565
566         screen_->hideCursor();
567
568         bv_->text->setCursorFromCoordinates(bv_, x, y + bv_->text->first_y);
569
570         if (!bv_->text->selection.set())
571                 update(bv_->text, BufferView::UPDATE); // Maybe an empty line was deleted
572
573         bv_->text->setSelection(bv_);
574         screen_->toggleToggle(bv_->text, bv_);
575         fitCursor();
576         showCursor();
577 }
578
579
580 // Single-click on work area
581 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
582                                             unsigned int button)
583 {
584         if (!buffer_ || !screen_.get())
585                 return;
586
587         Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos);
588
589         // ok ok, this is a hack.
590         if (button == 4 || button == 5) {
591                 switch (button) {
592                 case 4:
593                         scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
594                         break;
595                 case 5:
596                         scrollDown(lyxrc.wheel_jump);
597                         break;
598                 }
599         }
600
601         // Middle button press pastes if we have a selection
602         // We do this here as if the selection was inside an inset
603         // it could get cleared on the unlocking of the inset so
604         // we have to check this first
605         bool paste_internally = false;
606         if (button == 2 && bv_->getLyXText()->selection.set()) {
607                 owner_->getLyXFunc()->dispatch(LFUN_COPY);
608                 paste_internally = true;
609         }
610
611         int const screen_first = bv_->text->first_y;
612
613         if (bv_->theLockingInset()) {
614                 // We are in inset locking mode
615
616                 /* Check whether the inset was hit. If not reset mode,
617                    otherwise give the event to the inset */
618                 if (inset_hit == bv_->theLockingInset()) {
619                         bv_->theLockingInset()->
620                                 insetButtonPress(bv_,xpos, ypos,button);
621                         return;
622                 } else {
623                         bv_->unlockInset(bv_->theLockingInset());
624                 }
625         }
626
627         if (!inset_hit)
628                 selection_possible = true;
629         screen_->hideCursor();
630
631         // Clear the selection
632         screen_->toggleSelection(bv_->text, bv_);
633         bv_->text->clearSelection();
634         bv_->text->fullRebreak(bv_);
635         update();
636         updateScrollbar();
637
638         // Single left click in math inset?
639         if (isHighlyEditableInset(inset_hit)) {
640                 // Highly editable inset, like math
641                 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
642                 selection_possible = false;
643                 owner_->updateLayoutChoice();
644                 owner_->message(inset->editMessage());
645                 //inset->edit(bv_, xpos, ypos, button);
646                 // We just have to lock the inset before calling a PressEvent on it!
647                 // we don't need the edit() call here! (Jug20020329)
648                 if (!bv_->lockInset(inset)) {
649                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
650                 }
651                 inset->insetButtonPress(bv_, xpos, ypos, button);
652                 return;
653         }
654         // I'm not sure we should continue here if we hit an inset (Jug20020403)
655
656         // Right click on a footnote flag opens float menu
657         if (button == 3) {
658                 selection_possible = false;
659                 return;
660         }
661
662         if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
663                 bv_->text->setCursorFromCoordinates(bv_, xpos, ypos + screen_first);
664         finishUndo();
665         bv_->text->selection.cursor = bv_->text->cursor;
666         bv_->text->cursor.x_fix(bv_->text->cursor.x());
667
668         owner_->updateLayoutChoice();
669         if (fitCursor()) {
670                 selection_possible = false;
671         }
672
673         // Insert primary selection with middle mouse
674         // if there is a local selection in the current buffer,
675         // insert this
676         if (button == 2) {
677                 if (paste_internally)
678                         owner_->getLyXFunc()->dispatch(LFUN_PASTE);
679                 else
680                         owner_->getLyXFunc()->dispatch(LFUN_PASTESELECTION,
681                                                        "paragraph");
682                 selection_possible = false;
683                 return;
684         }
685 }
686
687
688 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button)
689 {
690         // select a word
691         if (!buffer_)
692                 return;
693
694         LyXText * text = bv_->getLyXText();
695
696         if (text->bv_owner && bv_->theLockingInset())
697                 return;
698
699         if (screen_.get() && button == 1) {
700                 if (text->bv_owner) {
701                         screen_->hideCursor();
702                         screen_->toggleSelection(text, bv_);
703                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
704                         screen_->toggleSelection(text, bv_, false);
705                 } else {
706                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
707                 }
708                 /* This will fit the cursor on the screen
709                  * if necessary */
710                 update(text, BufferView::SELECT|BufferView::FITCUR);
711         }
712 }
713
714
715 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
716 {
717         // select a line
718         if (!buffer_)
719                 return;
720
721         LyXText * text = bv_->getLyXText();
722
723         if (text->bv_owner && bv_->theLockingInset())
724             return;
725
726         if (screen_.get() && (button == 1)) {
727                 if (text->bv_owner) {
728                         screen_->hideCursor();
729                         screen_->toggleSelection(text, bv_);
730                 }
731                 text->cursorHome(bv_);
732                 text->selection.cursor = text->cursor;
733                 text->cursorEnd(bv_);
734                 text->setSelection(bv_);
735                 if (text->bv_owner) {
736                         screen_->toggleSelection(text, bv_, false);
737                 }
738                 /* This will fit the cursor on the screen
739                  * if necessary */
740                 update(text, BufferView::SELECT|BufferView::FITCUR);
741         }
742 }
743
744
745 void BufferView::Pimpl::selectionRequested()
746 {
747         static string sel;
748
749         if (!available())
750                 return;
751
752         LyXText * text = bv_->getLyXText();
753
754         if (text->selection.set() &&
755                 (!bv_->text->xsel_cache.set() ||
756                  text->selection.start != bv_->text->xsel_cache.start ||
757                  text->selection.end != bv_->text->xsel_cache.end))
758         {
759                 bv_->text->xsel_cache = text->selection;
760                 sel = text->selectionAsString(bv_->buffer(), false);
761         } else if (!text->selection.set()) {
762                 sel = string();
763                 bv_->text->xsel_cache.set(false);
764         }
765         if (!sel.empty()) {
766                 workarea_.putClipboard(sel);
767         }
768 }
769
770
771 void BufferView::Pimpl::selectionLost()
772 {
773         if (active() && available()) {
774                 hideCursor();
775                 toggleSelection();
776                 bv_->getLyXText()->clearSelection();
777                 showCursor();
778                 bv_->text->xsel_cache.set(false);
779         }
780 }
781
782
783 void BufferView::Pimpl::enterView()
784 {
785         if (active() && available()) {
786                 SetXtermCursor(workarea_.getWin());
787                 using_xterm_cursor = true;
788         }
789 }
790
791
792 void BufferView::Pimpl::leaveView()
793 {
794         if (using_xterm_cursor) {
795                 XUndefineCursor(fl_get_display(), workarea_.getWin());
796                 using_xterm_cursor = false;
797         }
798 }
799
800
801 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
802                                               unsigned int button)
803 {
804         if (!buffer_ || !screen_.get()) return;
805
806         // If we hit an inset, we have the inset coordinates in these
807         // and inset_hit points to the inset.  If we do not hit an
808         // inset, inset_hit is 0, and inset_x == x, inset_y == y.
809         Inset * inset_hit = checkInsetHit(bv_->text, x, y);
810
811         if (bv_->theLockingInset()) {
812                 // We are in inset locking mode.
813
814                 /* LyX does a kind of work-area grabbing for insets.
815                    Only a ButtonPress Event outside the inset will
816                    force a insetUnlock. */
817                 bv_->theLockingInset()->
818                         insetButtonRelease(bv_, x, y, button);
819                 return;
820         }
821
822         selection_possible = false;
823
824         if (button == 2)
825                 return;
826
827         // finish selection
828         if (button == 1) {
829                 workarea_.haveSelection(bv_->getLyXText()->selection.set());
830         }
831
832         setState();
833         owner_->showState();
834         owner_->updateMenubar();
835         owner_->updateToolbar();
836
837         // Did we hit an editable inset?
838         if (inset_hit) {
839                 selection_possible = false;
840
841                 // if we reach this point with a selection, it
842                 // must mean we are currently selecting.
843                 // But we don't want to open the inset
844                 // because that is annoying for the user.
845                 // So just pretend we didn't hit it.
846                 // this is OK because a "kosher" ButtonRelease
847                 // will follow a ButtonPress that clears
848                 // the selection.
849                 // Note this also fixes selection drawing
850                 // problems if we end up opening an inset
851                 if (bv_->getLyXText()->selection.set())
852                         return;
853
854                 // CHECK fix this proper in 0.13
855                 // well, maybe 13.0 !!!!!!!!!
856
857                 // Following a ref shouldn't issue
858                 // a push on the undo-stack
859                 // anylonger, now that we have
860                 // keybindings for following
861                 // references and returning from
862                 // references.  IMHO though, it
863                 // should be the inset's own business
864                 // to push or not push on the undo
865                 // stack. They don't *have* to
866                 // alter the document...
867                 // (Joacim)
868                 // ...or maybe the SetCursorParUndo()
869                 // below isn't necessary at all anylonger?
870                 if (inset_hit->lyxCode() == Inset::REF_CODE) {
871                         setCursorParUndo(bv_);
872                 }
873
874                 owner_->message(inset_hit->editMessage());
875
876                 if (isHighlyEditableInset(inset_hit)) {
877                         // Highly editable inset, like math
878                         UpdatableInset *inset = (UpdatableInset *)inset_hit;
879                         inset->insetButtonRelease(bv_, x, y, button);
880                 } else {
881                         inset_hit->insetButtonRelease(bv_, x, y, button);
882                         // IMO this is a grosshack! Inset's should be changed so that
883                         // they call the actions they have to do with the insetButtonRel.
884                         // function and not in the edit(). This should be changed
885                         // (Jug 20020329)
886                         inset_hit->edit(bv_, x, y, button);
887                 }
888                 return;
889         }
890
891         // Maybe we want to edit a bibitem ale970302
892         if (bv_->text->cursor.par()->bibkey && x < 20 +
893             bibitemMaxWidth(bv_, textclasslist[buffer_->params.textclass].defaultfont())) {
894                 bv_->text->cursor.par()->bibkey->edit(bv_, 0, 0, 0);
895         }
896
897         return;
898 }
899
900
901 Box BufferView::Pimpl::insetDimensions(LyXText const & text,
902                                        LyXCursor const & cursor) const
903 {
904         Paragraph /*const*/ & par = *cursor.par();
905         pos_type const pos = cursor.pos();
906
907         lyx::Assert(par.getInset(pos));
908
909         Inset const & inset(*par.getInset(pos));
910
911         LyXFont const & font = text.getFont(buffer_, &par, pos);
912
913         int const width = inset.width(bv_, font);
914         int const inset_x = font.isVisibleRightToLeft()
915                 ? (cursor.ix() - width) : cursor.ix();
916
917         return Box(
918                 inset_x + inset.scroll(),
919                 inset_x + width,
920                 cursor.iy() - inset.ascent(bv_, font),
921                 cursor.iy() + inset.descent(bv_, font));
922 }
923
924
925 Inset * BufferView::Pimpl::checkInset(LyXText const & text,
926                                       LyXCursor const & cursor,
927                                       int & x, int & y) const
928 {
929         pos_type const pos(cursor.pos());
930         Paragraph /*const*/ & par(*cursor.par());
931
932         if (pos >= par.size() || !par.isInset(pos)) {
933                 return 0;
934         }
935
936         Inset /*const*/ * inset = par.getInset(pos);
937
938         if (!isEditableInset(inset)) {
939                 return 0;
940         }
941
942         Box b(insetDimensions(text, cursor));
943
944         if (!b.contained(x, y)) {
945                 lyxerr[Debug::GUI] << "Missed inset at x,y " << x << "," << y
946                         << " box " << b << endl;
947                 return 0;
948         }
949
950         text.setCursor(bv_, &par, pos, true);
951
952         x -= b.x1;
953         // The origin of an inset is on the baseline
954         y -= text.cursor.iy();
955
956         return inset;
957 }
958
959
960 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y)
961 {
962         if (!screen_.get())
963                 return 0;
964
965         int y_tmp = y + text->first_y;
966
967         LyXCursor cursor;
968         text->setCursorFromCoordinates(bv_, cursor, x, y_tmp);
969
970         Inset * inset(checkInset(*text, cursor, x, y_tmp));
971
972         if (inset) {
973                 y = y_tmp;
974                 return inset;
975         }
976
977         // look at previous position
978
979         if (cursor.pos() == 0) {
980                 return 0;
981         }
982
983         // move back one
984         text->setCursor(bv_, cursor, cursor.par(), cursor.pos() - 1, true);
985
986         inset = checkInset(*text, cursor, x, y_tmp);
987         if (inset) {
988                 y = y_tmp;
989         }
990         return inset;
991 }
992
993
994 void BufferView::Pimpl::workAreaExpose()
995 {
996         static int work_area_width;
997         static unsigned int work_area_height;
998
999         bool const widthChange = workarea_.workWidth() != work_area_width;
1000         bool const heightChange = workarea_.height() != work_area_height;
1001
1002         // update from work area
1003         work_area_width = workarea_.workWidth();
1004         work_area_height = workarea_.height();
1005         if (buffer_ != 0) {
1006                 if (widthChange) {
1007                         // The visible LyXView need a resize
1008                         owner_->resize();
1009
1010                         // Remove all texts from the textcache
1011                         // This is not _really_ what we want to do. What
1012                         // we really want to do is to delete in textcache
1013                         // that does not have a BufferView with matching
1014                         // width, but as long as we have only one BufferView
1015                         // deleting all gives the same result.
1016                         if (lyxerr.debugging())
1017                                 textcache.show(lyxerr, "Expose delete all");
1018                         textcache.clear();
1019                         buffer_->resizeInsets(bv_);
1020                 } else if (heightChange) {
1021                         // Rebuild image of current screen
1022                         updateScreen();
1023                         // fitCursor() ensures we don't jump back
1024                         // to the start of the document on vertical
1025                         // resize
1026                         fitCursor();
1027
1028                         // The main window size has changed, repaint most stuff
1029                         redraw();
1030                 } else if (screen_.get())
1031                     screen_->redraw(bv_->text, bv_);
1032         } else {
1033                 // Grey box when we don't have a buffer
1034                 workarea_.greyOut();
1035         }
1036
1037         // always make sure that the scrollbar is sane.
1038         updateScrollbar();
1039         owner_->updateLayoutChoice();
1040         return;
1041 }
1042
1043
1044 void BufferView::Pimpl::update()
1045 {
1046         if (screen_.get() &&
1047                 (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()))
1048         {
1049                 LyXText::text_status st = bv_->text->status();
1050                 screen_->update(bv_->text, bv_);
1051                 bool fitc = false;
1052                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
1053                         if (bv_->text->fullRebreak(bv_)) {
1054                                 st = LyXText::NEED_MORE_REFRESH;
1055                                 bv_->text->setCursor(bv_, bv_->text->cursor.par(),
1056                                                                          bv_->text->cursor.pos());
1057                                 fitc = true;
1058                         }
1059                         bv_->text->status(bv_, st);
1060                         screen_->update(bv_->text, bv_);
1061                 }
1062                 // do this here instead of in the screen::update because of
1063                 // the above loop!
1064                 bv_->text->status(bv_, LyXText::UNCHANGED);
1065                 if (fitc)
1066                         fitCursor();
1067         }
1068 }
1069
1070 // Values used when calling update:
1071 // -3 - update
1072 // -2 - update, move sel_cursor if selection, fitcursor
1073 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
1074 //  0 - update, move sel_cursor if selection, fitcursor
1075 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
1076 //  3 - update, move sel_cursor if selection
1077 //
1078 // update -
1079 // a simple redraw of the parts that need refresh
1080 //
1081 // move sel_cursor if selection -
1082 // the text's sel_cursor is moved if there is selection is progress
1083 //
1084 // fitcursor -
1085 // fitCursor() is called and the scrollbar updated
1086 //
1087 // mark dirty -
1088 // the buffer is marked dirty.
1089 //
1090 // enum {
1091 //       UPDATE = 0,
1092 //       SELECT = 1,
1093 //       FITCUR = 2,
1094 //       CHANGE = 4
1095 // };
1096 //
1097 // UPDATE_ONLY = UPDATE;
1098 // UPDATE_SELECT = UPDATE | SELECT;
1099 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1100 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1101 //
1102 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
1103 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
1104 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1105 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1106 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
1107
1108 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
1109 {
1110         owner_->updateLayoutChoice();
1111
1112         if (!text->selection.set() && (f & SELECT)) {
1113                 text->selection.cursor = text->cursor;
1114         }
1115
1116         text->fullRebreak(bv_);
1117
1118         if (text->inset_owner) {
1119                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
1120             updateInset(text->inset_owner, false);
1121         } else {
1122             update();
1123         }
1124
1125         if ((f & FITCUR)) {
1126                 fitCursor();
1127         }
1128
1129         if ((f & CHANGE)) {
1130                 buffer_->markDirty();
1131         }
1132 }
1133
1134
1135 // Callback for cursor timer
1136 void BufferView::Pimpl::cursorToggle()
1137 {
1138         if (!buffer_) {
1139                 cursor_timeout.restart();
1140                 return;
1141         }
1142
1143         if (!screen_.get()) {
1144                 cursor_timeout.restart();
1145                 return;
1146         }
1147
1148         /* FIXME */
1149         extern void reapSpellchecker(void);
1150         reapSpellchecker();
1151
1152         if (!bv_->theLockingInset()) {
1153                 screen_->cursorToggle(bv_);
1154         } else {
1155                 bv_->theLockingInset()->toggleInsetCursor(bv_);
1156         }
1157
1158         cursor_timeout.restart();
1159 }
1160
1161
1162 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1163 {
1164         if (!text->cursor.row()->previous())
1165                 return;
1166
1167         int y = text->first_y;
1168         Row * cursorrow = text->cursor.row();
1169
1170         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y);
1171         finishUndo();
1172         // This is to allow jumping over large insets
1173         if ((cursorrow == text->cursor.row()))
1174                 text->cursorUp(bv_);
1175
1176         if (text->inset_owner) {
1177                 int new_y = bv_->text->cursor.iy()
1178                         + bv_->theLockingInset()->insetInInsetY()
1179                         + y
1180                         + text->cursor.row()->height()
1181                         - workarea_.height() + 1;
1182
1183                 screen_->draw(bv_->text, bv_, new_y < 0 ? 0 : new_y);
1184         } else if (text->cursor.row()->height() < workarea_.height()) {
1185                 screen_->draw(text, bv_,
1186                               text->cursor.y()
1187                               - text->cursor.row()->baseline()
1188                               + text->cursor.row()->height()
1189                               - workarea_.height() + 1);
1190         }
1191         updateScrollbar();
1192 }
1193
1194
1195 void BufferView::Pimpl::cursorNext(LyXText * text)
1196 {
1197         if (!text->cursor.row()->next())
1198                 return;
1199
1200         int y = text->first_y + workarea_.height();
1201         if (text->inset_owner && !text->first_y) {
1202                 y -= (bv_->text->cursor.iy()
1203                           - bv_->text->first_y
1204                           + bv_->theLockingInset()->insetInInsetY());
1205         }
1206         text->getRowNearY(y);
1207
1208         Row * cursorrow = text->cursor.row();
1209         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea_->height());
1210         finishUndo();
1211         // This is to allow jumping over large insets
1212         if ((cursorrow == bv_->text->cursor.row()))
1213                 text->cursorDown(bv_);
1214
1215         if (text->inset_owner) {
1216                 screen_->draw(bv_->text, bv_,
1217                               bv_->text->cursor.iy()
1218                                   + bv_->theLockingInset()->insetInInsetY()
1219                                   + y - text->cursor.row()->baseline());
1220         } else if (text->cursor.row()->height() < workarea_.height()) {
1221                 screen_->draw(text, bv_, text->cursor.y() -
1222                               text->cursor.row()->baseline());
1223         }
1224         updateScrollbar();
1225 }
1226
1227
1228 bool BufferView::Pimpl::available() const
1229 {
1230         if (buffer_ && bv_->text)
1231                 return true;
1232         return false;
1233 }
1234
1235
1236 void BufferView::Pimpl::beforeChange(LyXText * text)
1237 {
1238         toggleSelection();
1239         text->clearSelection();
1240 }
1241
1242
1243 void BufferView::Pimpl::savePosition(unsigned int i)
1244 {
1245         if (i >= saved_positions_num)
1246                 return;
1247         saved_positions[i] = Position(buffer_->fileName(),
1248                                       bv_->text->cursor.par()->id(),
1249                                       bv_->text->cursor.pos());
1250         if (i > 0) {
1251                 ostringstream str;
1252                 str << _("Saved bookmark") << ' ' << i;
1253                 owner_->message(str.str().c_str());
1254         }
1255 }
1256
1257
1258 void BufferView::Pimpl::restorePosition(unsigned int i)
1259 {
1260         if (i >= saved_positions_num)
1261                 return;
1262
1263         string const fname = saved_positions[i].filename;
1264
1265         beforeChange(bv_->text);
1266
1267         if (fname != buffer_->fileName()) {
1268                 Buffer * b = bufferlist.exists(fname) ?
1269                         bufferlist.getBuffer(fname) :
1270                         bufferlist.loadLyXFile(fname); // don't ask, just load it
1271                 if (b != 0) buffer(b);
1272         }
1273
1274         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
1275         if (!par)
1276                 return;
1277
1278         bv_->text->setCursor(bv_, par,
1279                              min(par->size(), saved_positions[i].par_pos));
1280
1281         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1282         if (i > 0) {
1283                 ostringstream str;
1284                 str << _("Moved to bookmark") << ' ' << i;
1285                 owner_->message(str.str().c_str());
1286         }
1287 }
1288
1289
1290 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
1291 {
1292         if (i >= saved_positions_num)
1293                 return false;
1294
1295         return !saved_positions[i].filename.empty();
1296 }
1297
1298
1299 void BufferView::Pimpl::setState()
1300 {
1301         if (!lyxrc.rtl_support)
1302                 return;
1303
1304         LyXText * text = bv_->getLyXText();
1305         if (text->real_current_font.isRightToLeft()) {
1306                 if (owner_->getIntl()->keymap == Intl::PRIMARY)
1307                         owner_->getIntl()->KeyMapSec();
1308         } else {
1309                 if (owner_->getIntl()->keymap == Intl::SECONDARY)
1310                         owner_->getIntl()->KeyMapPrim();
1311         }
1312 }
1313
1314
1315 void BufferView::Pimpl::insetSleep()
1316 {
1317         if (bv_->theLockingInset() && !inset_slept) {
1318                 bv_->theLockingInset()->getCursorPos(bv_, bv_->slx, bv_->sly);
1319                 bv_->theLockingInset()->insetUnlock(bv_);
1320                 inset_slept = true;
1321         }
1322 }
1323
1324
1325 void BufferView::Pimpl::insetWakeup()
1326 {
1327         if (bv_->theLockingInset() && inset_slept) {
1328                 bv_->theLockingInset()->edit(bv_, bv_->slx, bv_->sly, 0);
1329                 inset_slept = false;
1330         }
1331 }
1332
1333
1334 void BufferView::Pimpl::insetUnlock()
1335 {
1336         if (bv_->theLockingInset()) {
1337                 if (!inset_slept)
1338                         bv_->theLockingInset()->insetUnlock(bv_);
1339                 bv_->theLockingInset(0);
1340                 finishUndo();
1341                 inset_slept = false;
1342         }
1343 }
1344
1345
1346 bool BufferView::Pimpl::focus() const
1347 {
1348         return workarea_.hasFocus();
1349 }
1350
1351
1352 void BufferView::Pimpl::focus(bool f)
1353 {
1354         if (f) workarea_.setFocus();
1355 }
1356
1357
1358 bool BufferView::Pimpl::active() const
1359 {
1360         return workarea_.active();
1361 }
1362
1363
1364 bool BufferView::Pimpl::belowMouse() const
1365 {
1366         return workarea_.belowMouse();
1367 }
1368
1369
1370 void BufferView::Pimpl::showCursor()
1371 {
1372         if (screen_.get()) {
1373                 if (bv_->theLockingInset())
1374                         bv_->theLockingInset()->showInsetCursor(bv_);
1375                 else
1376                         screen_->showCursor(bv_->text, bv_);
1377         }
1378 }
1379
1380
1381 void BufferView::Pimpl::hideCursor()
1382 {
1383         if (screen_.get()) {
1384                 if (!bv_->theLockingInset())
1385 //                      bv_->theLockingInset()->hideInsetCursor(bv_);
1386 //              else
1387                         screen_->hideCursor();
1388         }
1389 }
1390
1391
1392 void BufferView::Pimpl::toggleSelection(bool b)
1393 {
1394         if (screen_.get()) {
1395                 if (bv_->theLockingInset())
1396                         bv_->theLockingInset()->toggleSelection(bv_, b);
1397                 screen_->toggleSelection(bv_->text, bv_, b);
1398         }
1399 }
1400
1401
1402 void BufferView::Pimpl::toggleToggle()
1403 {
1404         if (screen_.get())
1405                 screen_->toggleToggle(bv_->text, bv_);
1406 }
1407
1408
1409 void BufferView::Pimpl::center()
1410 {
1411         beforeChange(bv_->text);
1412         if (bv_->text->cursor.y() > static_cast<int>((workarea_.height() / 2))) {
1413                 screen_->draw(bv_->text, bv_, bv_->text->cursor.y() - workarea_.height() / 2);
1414         } else {
1415                 screen_->draw(bv_->text, bv_, 0);
1416         }
1417         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1418         redraw();
1419 }
1420
1421
1422 void BufferView::Pimpl::pasteClipboard(bool asPara)
1423 {
1424         if (!buffer_)
1425                 return;
1426
1427         screen_->hideCursor();
1428         beforeChange(bv_->text);
1429
1430         string const clip(workarea_.getClipboard());
1431
1432         if (clip.empty())
1433                 return;
1434
1435         if (asPara) {
1436                 bv_->getLyXText()->insertStringAsParagraphs(bv_, clip);
1437         } else {
1438                 bv_->getLyXText()->insertStringAsLines(bv_, clip);
1439         }
1440         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1441 }
1442
1443
1444 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1445 {
1446         workarea_.putClipboard(stuff);
1447 }
1448
1449
1450 /*
1451  * Dispatch functions for actions which can be valid for BufferView->text
1452  * and/or InsetText->text!!!
1453  */
1454
1455
1456 inline
1457 void BufferView::Pimpl::moveCursorUpdate(bool selecting)
1458 {
1459         LyXText * lt = bv_->getLyXText();
1460
1461         if (selecting || lt->selection.mark()) {
1462                 lt->setSelection(bv_);
1463                 if (lt->bv_owner)
1464                         toggleToggle();
1465                 else
1466                         updateInset(lt->inset_owner, false);
1467         }
1468         if (lt->bv_owner) {
1469                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1470                 showCursor();
1471         }
1472
1473         if (!lt->selection.set())
1474                 workarea_.haveSelection(false);
1475
1476         /* ---> Everytime the cursor is moved, show the current font state. */
1477         // should this too me moved out of this func?
1478         //owner->showState();
1479         setState();
1480 }
1481
1482
1483 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
1484 {
1485         LyXCursor cursor = bv_->getLyXText()->cursor;
1486         Buffer::inset_iterator it =
1487                 find_if(Buffer::inset_iterator(
1488                         cursor.par(), cursor.pos()),
1489                         buffer_->inset_iterator_end(),
1490                         lyx::compare_memfun(&Inset::lyxCode, code));
1491         return it != buffer_->inset_iterator_end() ? (*it) : 0;
1492 }
1493
1494
1495 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
1496 {
1497         string filename = filen;
1498
1499         if (filename.empty()) {
1500                 // Launch a file browser
1501                 string initpath = lyxrc.document_path;
1502
1503                 if (available()) {
1504                         string const trypath = owner_->buffer()->filePath();
1505                         // If directory is writeable, use this as default.
1506                         if (IsDirWriteable(trypath))
1507                                 initpath = trypath;
1508                 }
1509
1510                 FileDialog fileDlg(bv_->owner(),
1511                                    _("Select LyX document to insert"),
1512                         LFUN_FILE_INSERT,
1513                         make_pair(string(_("Documents|#o#O")),
1514                                   string(lyxrc.document_path)),
1515                         make_pair(string(_("Examples|#E#e")),
1516                                   string(AddPath(system_lyxdir, "examples"))));
1517
1518                 FileDialog::Result result =
1519                         fileDlg.Select(initpath,
1520                                        _("*.lyx| LyX Documents (*.lyx)"));
1521
1522                 if (result.first == FileDialog::Later)
1523                         return;
1524
1525                 filename = result.second;
1526
1527                 // check selected filename
1528                 if (filename.empty()) {
1529                         owner_->message(_("Canceled."));
1530                         return;
1531                 }
1532         }
1533
1534         // get absolute path of file and add ".lyx" to the filename if
1535         // necessary
1536         filename = FileSearch(string(), filename, "lyx");
1537
1538         string const disp_fn(MakeDisplayPath(filename));
1539
1540         ostringstream s1;
1541         s1 << _("Inserting document") << ' '
1542            << disp_fn << " ...";
1543         owner_->message(s1.str().c_str());
1544         bool const res = bv_->insertLyXFile(filename);
1545         if (res) {
1546                 ostringstream str;
1547                 str << _("Document") << ' ' << disp_fn
1548                     << ' ' << _("inserted.");
1549                 owner_->message(str.str().c_str());
1550         } else {
1551                 ostringstream str;
1552                 str << _("Could not insert document") << ' '
1553                     << disp_fn;
1554                 owner_->message(str.str().c_str());
1555         }
1556 }
1557
1558
1559 bool BufferView::Pimpl::Dispatch(kb_action action, string const & argument)
1560 {
1561         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch: action["
1562                               << action <<"] arg[" << argument << "]" << endl;
1563
1564         switch (action) {
1565                 // --- Misc -------------------------------------------
1566         case LFUN_APPENDIX:
1567         {
1568                 if (available()) {
1569                         LyXText * lt = bv_->getLyXText();
1570                         lt->toggleAppendix(bv_);
1571                         update(lt,
1572                                BufferView::SELECT
1573                                | BufferView::FITCUR
1574                                | BufferView::CHANGE);
1575                 }
1576         }
1577         break;
1578
1579         case LFUN_TOC_INSERT:
1580         {
1581                 InsetCommandParams p;
1582                 p.setCmdName("tableofcontents");
1583                 Inset * inset = new InsetTOC(p);
1584                 if (!insertInset(inset, "Standard"))
1585                         delete inset;
1586                 break;
1587         }
1588
1589         case LFUN_SCROLL_INSET:
1590                 // this is not handled here as this funktion is only aktive
1591                 // if we have a locking_inset and that one is (or contains)
1592                 // a tabular-inset
1593                 break;
1594
1595         case LFUN_INSET_GRAPHICS:
1596         {
1597                 Inset * new_inset = new InsetGraphics;
1598                 if (!insertInset(new_inset)) {
1599                         delete new_inset;
1600                 } else {
1601                         // this is need because you don't use a inset->Edit()
1602                         updateInset(new_inset, true);
1603                         new_inset->edit(bv_);
1604                 }
1605                 break;
1606         }
1607
1608         case LFUN_PASTE:
1609                 bv_->paste();
1610                 setState();
1611                 break;
1612
1613         case LFUN_PASTESELECTION:
1614         {
1615                 bool asPara = false;
1616                 if (argument == "paragraph")
1617                         asPara = true;
1618                 pasteClipboard(asPara);
1619         }
1620         break;
1621
1622         case LFUN_CUT:
1623                 bv_->cut();
1624                 break;
1625
1626         case LFUN_COPY:
1627                 bv_->copy();
1628                 break;
1629
1630         case LFUN_LAYOUT_COPY:
1631                 bv_->copyEnvironment();
1632                 break;
1633
1634         case LFUN_LAYOUT_PASTE:
1635                 bv_->pasteEnvironment();
1636                 setState();
1637                 break;
1638
1639         case LFUN_GOTOERROR:
1640                 gotoInset(Inset::ERROR_CODE, false);
1641                 break;
1642
1643         case LFUN_GOTONOTE:
1644                 gotoInset(Inset::IGNORE_CODE, false);
1645                 break;
1646
1647         case LFUN_REFERENCE_GOTO:
1648         {
1649                 vector<Inset::Code> tmp;
1650                 tmp.push_back(Inset::LABEL_CODE);
1651                 tmp.push_back(Inset::REF_CODE);
1652                 gotoInset(tmp, true);
1653                 break;
1654         }
1655
1656         case LFUN_HYPHENATION:
1657                 specialChar(InsetSpecialChar::HYPHENATION);
1658                 break;
1659
1660         case LFUN_LIGATURE_BREAK:
1661                 specialChar(InsetSpecialChar::LIGATURE_BREAK);
1662                 break;
1663
1664         case LFUN_LDOTS:
1665                 specialChar(InsetSpecialChar::LDOTS);
1666                 break;
1667
1668         case LFUN_END_OF_SENTENCE:
1669                 specialChar(InsetSpecialChar::END_OF_SENTENCE);
1670                 break;
1671
1672         case LFUN_MENU_SEPARATOR:
1673                 specialChar(InsetSpecialChar::MENU_SEPARATOR);
1674                 break;
1675
1676         case LFUN_HFILL:
1677                 hfill();
1678                 break;
1679
1680         case LFUN_DEPTH_MIN:
1681                 changeDepth(bv_, bv_->getLyXText(), -1);
1682                 break;
1683
1684         case LFUN_DEPTH_PLUS:
1685                 changeDepth(bv_, bv_->getLyXText(), 1);
1686                 break;
1687
1688         case LFUN_FREE:
1689                 owner_->getDialogs()->setUserFreeFont();
1690                 break;
1691
1692         case LFUN_FILE_INSERT:
1693                 MenuInsertLyXFile(argument);
1694                 break;
1695
1696         case LFUN_FILE_INSERT_ASCII_PARA:
1697                 InsertAsciiFile(bv_, argument, true);
1698                 break;
1699
1700         case LFUN_FILE_INSERT_ASCII:
1701                 InsertAsciiFile(bv_, argument, false);
1702                 break;
1703
1704         case LFUN_LAYOUT:
1705         {
1706                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1707                                     << argument << endl;
1708
1709                 // Derive layout number from given argument (string)
1710                 // and current buffer's textclass (number). */
1711                 textclass_type tclass = buffer_->params.textclass;
1712                 bool hasLayout =
1713                         textclasslist[tclass].hasLayout(argument);
1714                 string layout = argument;
1715
1716                 // If the entry is obsolete, use the new one instead.
1717                 if (hasLayout) {
1718                         string const & obs = textclasslist[tclass][layout]
1719                                 .obsoleted_by();
1720                         if (!obs.empty())
1721                                 layout = obs;
1722                 }
1723
1724                 if (!hasLayout) {
1725                         owner_->getLyXFunc()->setErrorMessage(
1726                                 string(N_("Layout ")) + argument +
1727                                 N_(" not known"));
1728                         break;
1729                 }
1730
1731                 if (current_layout != layout) {
1732                         LyXText * lt = bv_->getLyXText();
1733                         hideCursor();
1734                         current_layout = layout;
1735                         update(lt,
1736                                BufferView::SELECT
1737                                | BufferView::FITCUR);
1738                         lt->setLayout(bv_, layout);
1739                         owner_->setLayout(layout);
1740                         update(lt,
1741                                BufferView::SELECT
1742                                | BufferView::FITCUR
1743                                | BufferView::CHANGE);
1744                         setState();
1745                 }
1746         }
1747         break;
1748
1749         case LFUN_LANGUAGE:
1750                 lang(bv_, argument);
1751                 setState();
1752                 owner_->showState();
1753                 break;
1754
1755         case LFUN_EMPH:
1756                 emph(bv_);
1757                 owner_->showState();
1758                 break;
1759
1760         case LFUN_BOLD:
1761                 bold(bv_);
1762                 owner_->showState();
1763                 break;
1764
1765         case LFUN_NOUN:
1766                 noun(bv_);
1767                 owner_->showState();
1768                 break;
1769
1770         case LFUN_CODE:
1771                 code(bv_);
1772                 owner_->showState();
1773                 break;
1774
1775         case LFUN_SANS:
1776                 sans(bv_);
1777                 owner_->showState();
1778                 break;
1779
1780         case LFUN_ROMAN:
1781                 roman(bv_);
1782                 owner_->showState();
1783                 break;
1784
1785         case LFUN_DEFAULT:
1786                 styleReset(bv_);
1787                 owner_->showState();
1788                 break;
1789
1790         case LFUN_UNDERLINE:
1791                 underline(bv_);
1792                 owner_->showState();
1793                 break;
1794
1795         case LFUN_FONT_SIZE:
1796                 fontSize(bv_, argument);
1797                 owner_->showState();
1798                 break;
1799
1800         case LFUN_FONT_STATE:
1801                 owner_->getLyXFunc()->setMessage(currentState(bv_));
1802                 break;
1803
1804         case LFUN_UPCASE_WORD:
1805         {
1806                 LyXText * lt = bv_->getLyXText();
1807
1808                 update(lt,
1809                        BufferView::SELECT
1810                        | BufferView::FITCUR);
1811                 lt->changeCase(bv_, LyXText::text_uppercase);
1812                 if (lt->inset_owner)
1813                         updateInset(lt->inset_owner, true);
1814                 update(lt,
1815                        BufferView::SELECT
1816                        | BufferView::FITCUR
1817                        | BufferView::CHANGE);
1818         }
1819         break;
1820
1821         case LFUN_LOWCASE_WORD:
1822         {
1823                 LyXText * lt = bv_->getLyXText();
1824
1825                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1826                 lt->changeCase(bv_, LyXText::text_lowercase);
1827                 if (lt->inset_owner)
1828                         updateInset(lt->inset_owner, true);
1829                 update(lt,
1830                        BufferView::SELECT
1831                        | BufferView::FITCUR
1832                        | BufferView::CHANGE);
1833         }
1834         break;
1835
1836         case LFUN_CAPITALIZE_WORD:
1837         {
1838                 LyXText * lt = bv_->getLyXText();
1839
1840                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1841                 lt->changeCase(bv_, LyXText::text_capitalization);
1842                 if (lt->inset_owner)
1843                         updateInset(lt->inset_owner, true);
1844                 update(lt,
1845                        BufferView::SELECT
1846                        | BufferView::FITCUR
1847                        | BufferView::CHANGE);
1848         }
1849         break;
1850
1851         case LFUN_TRANSPOSE_CHARS:
1852         {
1853                 LyXText * lt = bv_->getLyXText();
1854
1855                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1856                 lt->transposeChars(*bv_);
1857                 if (lt->inset_owner)
1858                         updateInset(lt->inset_owner, true);
1859                 update(lt,
1860                        BufferView::SELECT
1861                        | BufferView::FITCUR
1862                        | BufferView::CHANGE);
1863         }
1864         break;
1865
1866
1867         case LFUN_INSERT_LABEL:
1868                 MenuInsertLabel(bv_, argument);
1869                 break;
1870
1871         case LFUN_REF_INSERT:
1872                 if (argument.empty()) {
1873                         InsetCommandParams p("ref");
1874                         owner_->getDialogs()->createRef(p.getAsString());
1875                 } else {
1876                         InsetCommandParams p;
1877                         p.setFromString(argument);
1878
1879                         InsetRef * inset = new InsetRef(p, *buffer_);
1880                         if (!insertInset(inset))
1881                                 delete inset;
1882                         else
1883                                 updateInset(inset, true);
1884                 }
1885                 break;
1886
1887         case LFUN_BOOKMARK_SAVE:
1888                 savePosition(strToUnsignedInt(argument));
1889                 break;
1890
1891         case LFUN_BOOKMARK_GOTO:
1892                 restorePosition(strToUnsignedInt(argument));
1893                 break;
1894
1895         case LFUN_REF_GOTO:
1896         {
1897                 string label(argument);
1898                 if (label.empty()) {
1899                         InsetRef * inset =
1900                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1901                         if (inset) {
1902                                 label = inset->getContents();
1903                                 savePosition(0);
1904                         }
1905                 }
1906
1907                 if (!label.empty()) {
1908                         //bv_->savePosition(0);
1909                         if (!bv_->gotoLabel(label))
1910                                 Alert::alert(_("Error"),
1911                                            _("Couldn't find this label"),
1912                                            _("in current document."));
1913                 }
1914         }
1915         break;
1916
1917                 // --- Cursor Movements -----------------------------
1918         case LFUN_RIGHT:
1919         {
1920                 LyXText * lt = bv_->getLyXText();
1921
1922                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1923                 if (!lt->selection.mark())
1924                         beforeChange(lt);
1925                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1926                 if (is_rtl)
1927                         lt->cursorLeft(bv_, false);
1928                 if (lt->cursor.pos() < lt->cursor.par()->size()
1929                     && lt->cursor.par()->isInset(lt->cursor.pos())
1930                     && isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
1931                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1932                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1933                         if (is_rtl)
1934                                 tmpinset->edit(bv_, false);
1935                         else
1936                                 tmpinset->edit(bv_);
1937                         break;
1938                 }
1939                 if (!is_rtl)
1940                         lt->cursorRight(bv_, false);
1941                 finishUndo();
1942                 moveCursorUpdate(false);
1943                 owner_->showState();
1944         }
1945         break;
1946
1947         case LFUN_LEFT:
1948         {
1949                 // This is soooo ugly. Isn`t it possible to make
1950                 // it simpler? (Lgb)
1951                 LyXText * lt = bv_->getLyXText();
1952                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
1953                 if (!lt->selection.mark())
1954                         beforeChange(lt);
1955                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1956                 LyXCursor const cur = lt->cursor;
1957                 if (!is_rtl)
1958                         lt->cursorLeft(bv_, false);
1959                 if ((is_rtl || cur != lt->cursor) && // only if really moved!
1960                     lt->cursor.pos() < lt->cursor.par()->size() &&
1961                     lt->cursor.par()->isInset(lt->cursor.pos()) &&
1962                     isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
1963                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
1964                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
1965                         if (is_rtl)
1966                                 tmpinset->edit(bv_);
1967                         else
1968                                 tmpinset->edit(bv_, false);
1969                         break;
1970                 }
1971                 if  (is_rtl)
1972                         lt->cursorRight(bv_, false);
1973
1974                 finishUndo();
1975                 moveCursorUpdate(false);
1976                 owner_->showState();
1977         }
1978         break;
1979
1980         case LFUN_UP:
1981         {
1982                 LyXText * lt = bv_->getLyXText();
1983
1984                 if (!lt->selection.mark())
1985                         beforeChange(lt);
1986                 update(lt, BufferView::UPDATE);
1987                 lt->cursorUp(bv_);
1988                 finishUndo();
1989                 moveCursorUpdate(false);
1990                 owner_->showState();
1991         }
1992         break;
1993
1994         case LFUN_DOWN:
1995         {
1996                 LyXText * lt = bv_->getLyXText();
1997
1998                 if (!lt->selection.mark())
1999                         beforeChange(lt);
2000                 update(lt, BufferView::UPDATE);
2001                 lt->cursorDown(bv_);
2002                 finishUndo();
2003                 moveCursorUpdate(false);
2004                 owner_->showState();
2005         }
2006         break;
2007
2008         case LFUN_UP_PARAGRAPH:
2009         {
2010                 LyXText * lt = bv_->getLyXText();
2011
2012                 if (!lt->selection.mark())
2013                         beforeChange(lt);
2014                 update(lt, BufferView::UPDATE);
2015                 lt->cursorUpParagraph(bv_);
2016                 finishUndo();
2017                 moveCursorUpdate(false);
2018                 owner_->showState();
2019         }
2020         break;
2021
2022         case LFUN_DOWN_PARAGRAPH:
2023         {
2024                 LyXText * lt = bv_->getLyXText();
2025
2026                 if (!lt->selection.mark())
2027                         beforeChange(lt);
2028                 update(lt, BufferView::UPDATE);
2029                 lt->cursorDownParagraph(bv_);
2030                 finishUndo();
2031                 moveCursorUpdate(false);
2032                 owner_->showState();
2033         }
2034         break;
2035
2036         case LFUN_PRIOR:
2037         {
2038                 LyXText * lt = bv_->getLyXText();
2039
2040                 if (!lt->selection.mark())
2041                         beforeChange(lt);
2042                 update(lt, BufferView::UPDATE);
2043                 cursorPrevious(lt);
2044                 finishUndo();
2045                 moveCursorUpdate(false);
2046                 owner_->showState();
2047         }
2048         break;
2049
2050         case LFUN_NEXT:
2051         {
2052                 LyXText * lt = bv_->getLyXText();
2053
2054                 if (!lt->selection.mark())
2055                         beforeChange(lt);
2056                 update(lt, BufferView::UPDATE);
2057                 cursorNext(lt);
2058                 finishUndo();
2059                 moveCursorUpdate(false);
2060                 owner_->showState();
2061         }
2062         break;
2063
2064         case LFUN_HOME:
2065         {
2066                 LyXText * lt = bv_->getLyXText();
2067
2068                 if (!lt->selection.mark())
2069                         beforeChange(lt);
2070                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2071                 lt->cursorHome(bv_);
2072                 finishUndo();
2073                 moveCursorUpdate(false);
2074                 owner_->showState();
2075         }
2076         break;
2077
2078         case LFUN_END:
2079         {
2080                 LyXText * lt = bv_->getLyXText();
2081
2082                 if (!lt->selection.mark())
2083                         beforeChange(lt);
2084                 update(lt,
2085                        BufferView::SELECT|BufferView::FITCUR);
2086                 lt->cursorEnd(bv_);
2087                 finishUndo();
2088                 moveCursorUpdate(false);
2089                 owner_->showState();
2090         }
2091         break;
2092
2093         case LFUN_SHIFT_TAB:
2094         case LFUN_TAB:
2095         {
2096                 LyXText * lt = bv_->getLyXText();
2097
2098                 if (!lt->selection.mark())
2099                         beforeChange(lt);
2100                 update(lt,
2101                        BufferView::SELECT|BufferView::FITCUR);
2102                 lt->cursorTab(bv_);
2103                 finishUndo();
2104                 moveCursorUpdate(false);
2105                 owner_->showState();
2106         }
2107         break;
2108
2109         case LFUN_WORDRIGHT:
2110         {
2111                 LyXText * lt = bv_->getLyXText();
2112
2113                 if (!lt->selection.mark())
2114                         beforeChange(lt);
2115                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2116                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2117                         lt->cursorLeftOneWord(bv_);
2118                 else
2119                         lt->cursorRightOneWord(bv_);
2120                 finishUndo();
2121                 moveCursorUpdate(false);
2122                 owner_->showState();
2123         }
2124         break;
2125
2126         case LFUN_WORDLEFT:
2127         {
2128                 LyXText * lt = bv_->getLyXText();
2129
2130                 if (!lt->selection.mark())
2131                         beforeChange(lt);
2132                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2133                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2134                         lt->cursorRightOneWord(bv_);
2135                 else
2136                         lt->cursorLeftOneWord(bv_);
2137                 finishUndo();
2138                 moveCursorUpdate(false);
2139                 owner_->showState();
2140         }
2141         break;
2142
2143         case LFUN_BEGINNINGBUF:
2144         {
2145                 LyXText * lt = bv_->getLyXText();
2146
2147                 if (!lt->selection.mark())
2148                         beforeChange(lt);
2149                 update(lt,
2150                        BufferView::SELECT|BufferView::FITCUR);
2151                 lt->cursorTop(bv_);
2152                 finishUndo();
2153                 moveCursorUpdate(false);
2154                 owner_->showState();
2155         }
2156         break;
2157
2158         case LFUN_ENDBUF:
2159         {
2160                 LyXText * lt = bv_->getLyXText();
2161
2162                 if (!lt->selection.mark())
2163                         beforeChange(lt);
2164                 update(lt,
2165                        BufferView::SELECT|BufferView::FITCUR);
2166                 lt->cursorBottom(bv_);
2167                 finishUndo();
2168                 moveCursorUpdate(false);
2169                 owner_->showState();
2170         }
2171         break;
2172
2173                 /* cursor selection ---------------------------- */
2174         case LFUN_RIGHTSEL:
2175         {
2176                 LyXText * lt = bv_->getLyXText();
2177
2178                 update(lt,
2179                        BufferView::SELECT|BufferView::FITCUR);
2180                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2181                         lt->cursorLeft(bv_);
2182                 else
2183                         lt->cursorRight(bv_);
2184                 finishUndo();
2185                 moveCursorUpdate(true);
2186                 owner_->showState();
2187         }
2188         break;
2189
2190         case LFUN_LEFTSEL:
2191         {
2192                 LyXText * lt = bv_->getLyXText();
2193
2194                 update(lt,
2195                        BufferView::SELECT|BufferView::FITCUR);
2196                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2197                         lt->cursorRight(bv_);
2198                 else
2199                         lt->cursorLeft(bv_);
2200                 finishUndo();
2201                 moveCursorUpdate(true);
2202                 owner_->showState();
2203         }
2204         break;
2205
2206         case LFUN_UPSEL:
2207         {
2208                 LyXText * lt = bv_->getLyXText();
2209
2210                 update(lt,
2211                        BufferView::SELECT|BufferView::FITCUR);
2212                 lt->cursorUp(bv_);
2213                 finishUndo();
2214                 moveCursorUpdate(true);
2215                 owner_->showState();
2216         }
2217         break;
2218
2219         case LFUN_DOWNSEL:
2220         {
2221                 LyXText * lt = bv_->getLyXText();
2222
2223                 update(lt,
2224                        BufferView::SELECT|BufferView::FITCUR);
2225                 lt->cursorDown(bv_);
2226                 finishUndo();
2227                 moveCursorUpdate(true);
2228                 owner_->showState();
2229         }
2230         break;
2231
2232         case LFUN_UP_PARAGRAPHSEL:
2233         {
2234                 LyXText * lt = bv_->getLyXText();
2235
2236                 update(lt,
2237                        BufferView::SELECT|BufferView::FITCUR);
2238                 lt->cursorUpParagraph(bv_);
2239                 finishUndo();
2240                 moveCursorUpdate(true);
2241                 owner_->showState();
2242         }
2243         break;
2244
2245         case LFUN_DOWN_PARAGRAPHSEL:
2246         {
2247                 LyXText * lt = bv_->getLyXText();
2248
2249                 update(lt,
2250                        BufferView::SELECT|BufferView::FITCUR);
2251                 lt->cursorDownParagraph(bv_);
2252                 finishUndo();
2253                 moveCursorUpdate(true);
2254                 owner_->showState();
2255         }
2256         break;
2257
2258         case LFUN_PRIORSEL:
2259         {
2260                 LyXText * lt = bv_->getLyXText();
2261
2262                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2263                 cursorPrevious(lt);
2264                 finishUndo();
2265                 moveCursorUpdate(true);
2266                 owner_->showState();
2267         }
2268         break;
2269
2270         case LFUN_NEXTSEL:
2271         {
2272                 LyXText * lt = bv_->getLyXText();
2273
2274                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2275                 cursorNext(lt);
2276                 finishUndo();
2277                 moveCursorUpdate(true);
2278                 owner_->showState();
2279         }
2280         break;
2281
2282         case LFUN_HOMESEL:
2283         {
2284                 LyXText * lt = bv_->getLyXText();
2285
2286                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2287                 lt->cursorHome(bv_);
2288                 finishUndo();
2289                 moveCursorUpdate(true);
2290                 owner_->showState();
2291         }
2292         break;
2293
2294         case LFUN_ENDSEL:
2295         {
2296                 LyXText * lt = bv_->getLyXText();
2297
2298                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2299                 lt->cursorEnd(bv_);
2300                 finishUndo();
2301                 moveCursorUpdate(true);
2302                 owner_->showState();
2303         }
2304         break;
2305
2306         case LFUN_WORDRIGHTSEL:
2307         {
2308                 LyXText * lt = bv_->getLyXText();
2309
2310                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2311                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2312                         lt->cursorLeftOneWord(bv_);
2313                 else
2314                         lt->cursorRightOneWord(bv_);
2315                 finishUndo();
2316                 moveCursorUpdate(true);
2317                 owner_->showState();
2318         }
2319         break;
2320
2321         case LFUN_WORDLEFTSEL:
2322         {
2323                 LyXText * lt = bv_->getLyXText();
2324
2325                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2326                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2327                         lt->cursorRightOneWord(bv_);
2328                 else
2329                         lt->cursorLeftOneWord(bv_);
2330                 finishUndo();
2331                 moveCursorUpdate(true);
2332                 owner_->showState();
2333         }
2334         break;
2335
2336         case LFUN_BEGINNINGBUFSEL:
2337         {
2338                 LyXText * lt = bv_->getLyXText();
2339
2340                 if (lt->inset_owner)
2341                         break;
2342                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2343                 lt->cursorTop(bv_);
2344                 finishUndo();
2345                 moveCursorUpdate(true);
2346                 owner_->showState();
2347         }
2348         break;
2349
2350         case LFUN_ENDBUFSEL:
2351         {
2352                 LyXText * lt = bv_->getLyXText();
2353
2354                 if (lt->inset_owner)
2355                         break;
2356                 update(lt,
2357                        BufferView::SELECT|BufferView::FITCUR);
2358                 lt->cursorBottom(bv_);
2359                 finishUndo();
2360                 moveCursorUpdate(true);
2361                 owner_->showState();
2362         }
2363         break;
2364
2365                 // --- text changing commands ------------------------
2366         case LFUN_BREAKLINE:
2367         {
2368                 LyXText * lt = bv_->getLyXText();
2369
2370                 beforeChange(lt);
2371                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
2372                 update(lt,
2373                        BufferView::SELECT
2374                        | BufferView::FITCUR
2375                        | BufferView::CHANGE);
2376                 moveCursorUpdate(false);
2377         }
2378         break;
2379
2380         case LFUN_PROTECTEDSPACE:
2381         {
2382                 LyXText * lt = bv_->getLyXText();
2383
2384                 LyXLayout const & style = textclasslist[buffer_->params.textclass][lt->cursor.par()->layout()];
2385
2386                 if (style.free_spacing) {
2387                         lt->insertChar(bv_, ' ');
2388                         update(lt,
2389                                BufferView::SELECT
2390                                | BufferView::FITCUR
2391                                | BufferView::CHANGE);
2392                 } else {
2393                         specialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
2394                 }
2395                 moveCursorUpdate(false);
2396         }
2397         break;
2398
2399         case LFUN_SETMARK:
2400         {
2401                 LyXText * lt = bv_->getLyXText();
2402
2403                 if (lt->selection.mark()) {
2404                         beforeChange(lt);
2405                         update(lt,
2406                                BufferView::SELECT
2407                                | BufferView::FITCUR);
2408                         owner_->getLyXFunc()->setMessage(N_("Mark removed"));
2409                 } else {
2410                         beforeChange(lt);
2411                         lt->selection.mark(true);
2412                         update(lt,
2413                                BufferView::SELECT
2414                                | BufferView::FITCUR);
2415                         owner_->getLyXFunc()->setMessage(N_("Mark set"));
2416                 }
2417                 lt->selection.cursor = lt->cursor;
2418         }
2419         break;
2420
2421         case LFUN_DELETE:
2422         {
2423                 LyXText * lt = bv_->getLyXText();
2424
2425                 if (!lt->selection.set()) {
2426                         lt->Delete(bv_);
2427                         lt->selection.cursor = lt->cursor;
2428                         update(lt,
2429                                BufferView::SELECT
2430                                | BufferView::FITCUR
2431                                | BufferView::CHANGE);
2432                         // It is possible to make it a lot faster still
2433                         // just comment out the line below...
2434                         showCursor();
2435                 } else {
2436                         bv_->cut(false);
2437                 }
2438                 moveCursorUpdate(false);
2439                 owner_->showState();
2440                 setState();
2441         }
2442         break;
2443
2444         case LFUN_DELETE_SKIP:
2445         {
2446                 LyXText * lt = bv_->getLyXText();
2447
2448                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2449
2450                 LyXCursor cursor = lt->cursor;
2451
2452                 if (!lt->selection.set()) {
2453                         if (cursor.pos() == cursor.par()->size()) {
2454                                 lt->cursorRight(bv_);
2455                                 cursor = lt->cursor;
2456                                 if (cursor.pos() == 0
2457                                     && !(cursor.par()->params().spaceTop()
2458                                          == VSpace (VSpace::NONE))) {
2459                                         lt->setParagraph
2460                                                 (bv_,
2461                                                  cursor.par()->params().lineTop(),
2462                                                  cursor.par()->params().lineBottom(),
2463                                                  cursor.par()->params().pagebreakTop(),
2464                                                  cursor.par()->params().pagebreakBottom(),
2465                                                  VSpace(VSpace::NONE),
2466                                                  cursor.par()->params().spaceBottom(),
2467                                                  cursor.par()->params().spacing(),
2468                                                  cursor.par()->params().align(),
2469                                                  cursor.par()->params().labelWidthString(), 0);
2470                                         lt->cursorLeft(bv_);
2471                                         update(lt,
2472                                                BufferView::SELECT
2473                                                | BufferView::FITCUR
2474                                                | BufferView::CHANGE);
2475                                 } else {
2476                                         lt->cursorLeft(bv_);
2477                                         lt->Delete(bv_);
2478                                         lt->selection.cursor = lt->cursor;
2479                                         update(lt,
2480                                                BufferView::SELECT
2481                                                | BufferView::FITCUR
2482                                                | BufferView::CHANGE);
2483                                 }
2484                         } else {
2485                                 lt->Delete(bv_);
2486                                 lt->selection.cursor = lt->cursor;
2487                                 update(lt,
2488                                        BufferView::SELECT
2489                                        | BufferView::FITCUR
2490                                        | BufferView::CHANGE);
2491                         }
2492                 } else {
2493                         bv_->cut(false);
2494                 }
2495         }
2496         break;
2497
2498         /* -------> Delete word forward. */
2499         case LFUN_DELETE_WORD_FORWARD:
2500                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
2501                 bv_->getLyXText()->deleteWordForward(bv_);
2502                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2503                 moveCursorUpdate(false);
2504                 owner_->showState();
2505                 break;
2506
2507                 /* -------> Delete word backward. */
2508         case LFUN_DELETE_WORD_BACKWARD:
2509         {
2510                 LyXText * lt = bv_->getLyXText();
2511
2512                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2513                 lt->deleteWordBackward(bv_);
2514                 update(lt,
2515                        BufferView::SELECT
2516                        | BufferView::FITCUR
2517                        | BufferView::CHANGE);
2518                 moveCursorUpdate(false);
2519                 owner_->showState();
2520         }
2521         break;
2522
2523                 /* -------> Kill to end of line. */
2524         case LFUN_DELETE_LINE_FORWARD:
2525         {
2526                 LyXText * lt = bv_->getLyXText();
2527
2528                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2529                 lt->deleteLineForward(bv_);
2530                 update(lt,
2531                        BufferView::SELECT
2532                        | BufferView::FITCUR
2533                        | BufferView::CHANGE);
2534                 moveCursorUpdate(false);
2535         }
2536         break;
2537
2538                 /* -------> Set mark off. */
2539         case LFUN_MARK_OFF:
2540         {
2541                 LyXText * lt = bv_->getLyXText();
2542
2543                 beforeChange(lt);
2544                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2545                 lt->selection.cursor = lt->cursor;
2546                 owner_->getLyXFunc()->setMessage(N_("Mark off"));
2547         }
2548         break;
2549
2550                 /* -------> Set mark on. */
2551         case LFUN_MARK_ON:
2552         {
2553                 LyXText * lt = bv_->getLyXText();
2554
2555                 beforeChange(lt);
2556                 lt->selection.mark(true);
2557                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2558                 lt->selection.cursor = lt->cursor;
2559                 owner_->getLyXFunc()->setMessage(N_("Mark on"));
2560         }
2561         break;
2562
2563         case LFUN_BACKSPACE:
2564         {
2565                 LyXText * lt = bv_->getLyXText();
2566
2567                 if (!lt->selection.set()) {
2568                         if (owner_->getIntl()->getTrans().backspace()) {
2569                                 lt->backspace(bv_);
2570                                 lt->selection.cursor = lt->cursor;
2571                                 update(lt,
2572                                        BufferView::SELECT
2573                                        | BufferView::FITCUR
2574                                        | BufferView::CHANGE);
2575                                 // It is possible to make it a lot faster still
2576                                 // just comment out the line below...
2577                                 showCursor();
2578                         }
2579                 } else {
2580                         bv_->cut(false);
2581                 }
2582                 owner_->showState();
2583                 setState();
2584         }
2585         break;
2586
2587         case LFUN_BACKSPACE_SKIP:
2588         {
2589                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2590                 LyXText * lt = bv_->getLyXText();
2591
2592                 LyXCursor cursor = lt->cursor;
2593
2594                 if (!lt->selection.set()) {
2595                         if (cursor.pos() == 0
2596                             && !(cursor.par()->params().spaceTop()
2597                                  == VSpace (VSpace::NONE))) {
2598                                 lt->setParagraph
2599                                         (bv_,
2600                                          cursor.par()->params().lineTop(),
2601                                          cursor.par()->params().lineBottom(),
2602                                          cursor.par()->params().pagebreakTop(),
2603                                          cursor.par()->params().pagebreakBottom(),
2604                                          VSpace(VSpace::NONE), cursor.par()->params().spaceBottom(),
2605                                          cursor.par()->params().spacing(),
2606                                          cursor.par()->params().align(),
2607                                          cursor.par()->params().labelWidthString(), 0);
2608                                 update(lt,
2609                                        BufferView::SELECT
2610                                        | BufferView::FITCUR
2611                                        | BufferView::CHANGE);
2612                         } else {
2613                                 lt->backspace(bv_);
2614                                 lt->selection.cursor = cursor;
2615                                 update(lt,
2616                                        BufferView::SELECT
2617                                        | BufferView::FITCUR
2618                                        | BufferView::CHANGE);
2619                         }
2620                 } else
2621                         bv_->cut(false);
2622         }
2623         break;
2624
2625         case LFUN_BREAKPARAGRAPH:
2626         {
2627                 LyXText * lt = bv_->getLyXText();
2628
2629                 beforeChange(lt);
2630                 lt->breakParagraph(bv_, 0);
2631                 update(lt,
2632                        BufferView::SELECT
2633                        | BufferView::FITCUR
2634                        | BufferView::CHANGE);
2635                 lt->selection.cursor = lt->cursor;
2636                 setState();
2637                 owner_->showState();
2638                 break;
2639         }
2640
2641         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
2642         {
2643                 LyXText * lt = bv_->getLyXText();
2644
2645                 beforeChange(lt);
2646                 lt->breakParagraph(bv_, 1);
2647                 update(lt,
2648                        BufferView::SELECT
2649                        | BufferView::FITCUR
2650                        | BufferView::CHANGE);
2651                 lt->selection.cursor = lt->cursor;
2652                 setState();
2653                 owner_->showState();
2654                 break;
2655         }
2656
2657         case LFUN_BREAKPARAGRAPH_SKIP:
2658         {
2659                 // When at the beginning of a paragraph, remove
2660                 // indentation and add a "defskip" at the top.
2661                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
2662                 LyXText * lt = bv_->getLyXText();
2663
2664                 LyXCursor cursor = lt->cursor;
2665
2666                 beforeChange(lt);
2667                 if (cursor.pos() == 0) {
2668                         if (cursor.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
2669                                 lt->setParagraph
2670                                         (bv_,
2671                                          cursor.par()->params().lineTop(),
2672                                          cursor.par()->params().lineBottom(),
2673                                          cursor.par()->params().pagebreakTop(),
2674                                          cursor.par()->params().pagebreakBottom(),
2675                                          VSpace(VSpace::DEFSKIP), cursor.par()->params().spaceBottom(),
2676                                          cursor.par()->params().spacing(),
2677                                          cursor.par()->params().align(),
2678                                          cursor.par()->params().labelWidthString(), 1);
2679                                 //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2680                         }
2681                 }
2682                 else {
2683                         lt->breakParagraph(bv_, 0);
2684                         //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2685                 }
2686
2687                 update(lt,
2688                        BufferView::SELECT
2689                        | BufferView::FITCUR
2690                        | BufferView::CHANGE);
2691                 lt->selection.cursor = cursor;
2692                 setState();
2693                 owner_->showState();
2694         }
2695         break;
2696
2697         case LFUN_PARAGRAPH_SPACING:
2698         {
2699                 LyXText * lt = bv_->getLyXText();
2700
2701                 Paragraph * par = lt->cursor.par();
2702                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
2703                 float cur_value = 1.0;
2704                 if (cur_spacing == Spacing::Other) {
2705                         cur_value = par->params().spacing().getValue();
2706                 }
2707
2708                 istringstream istr(argument.c_str());
2709
2710                 string tmp;
2711                 istr >> tmp;
2712                 Spacing::Space new_spacing = cur_spacing;
2713                 float new_value = cur_value;
2714                 if (tmp.empty()) {
2715                         lyxerr << "Missing argument to `paragraph-spacing'"
2716                                << endl;
2717                 } else if (tmp == "single") {
2718                         new_spacing = Spacing::Single;
2719                 } else if (tmp == "onehalf") {
2720                         new_spacing = Spacing::Onehalf;
2721                 } else if (tmp == "double") {
2722                         new_spacing = Spacing::Double;
2723                 } else if (tmp == "other") {
2724                         new_spacing = Spacing::Other;
2725                         float tmpval = 0.0;
2726                         istr >> tmpval;
2727                         lyxerr << "new_value = " << tmpval << endl;
2728                         if (tmpval != 0.0)
2729                                 new_value = tmpval;
2730                 } else if (tmp == "default") {
2731                         new_spacing = Spacing::Default;
2732                 } else {
2733                         lyxerr << _("Unknown spacing argument: ")
2734                                << argument << endl;
2735                 }
2736                 if (cur_spacing != new_spacing || cur_value != new_value) {
2737                         par->params().spacing(Spacing(new_spacing, new_value));
2738                         lt->redoParagraph(bv_);
2739                         update(lt,
2740                                BufferView::SELECT
2741                                | BufferView::FITCUR
2742                                | BufferView::CHANGE);
2743                 }
2744         }
2745         break;
2746
2747         case LFUN_INSET_TOGGLE:
2748         {
2749                 LyXText * lt = bv_->getLyXText();
2750                 hideCursor();
2751                 beforeChange(lt);
2752                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2753                 lt->toggleInset(bv_);
2754                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2755                 setState();
2756         }
2757                 break;
2758
2759         case LFUN_QUOTE:
2760                 smartQuote();
2761                 break;
2762
2763         case LFUN_HTMLURL:
2764         case LFUN_URL:
2765         {
2766                 InsetCommandParams p;
2767                 if (action == LFUN_HTMLURL)
2768                         p.setCmdName("htmlurl");
2769                 else
2770                         p.setCmdName("url");
2771                 owner_->getDialogs()->createUrl(p.getAsString());
2772         }
2773         break;
2774
2775         case LFUN_INSERT_URL:
2776         {
2777                 InsetCommandParams p;
2778                 p.setFromString(argument);
2779
2780                 InsetUrl * inset = new InsetUrl(p);
2781                 if (!insertInset(inset))
2782                         delete inset;
2783                 else
2784                         updateInset(inset, true);
2785         }
2786         break;
2787
2788         case LFUN_INSET_ERT:
2789                 insertAndEditInset(new InsetERT(buffer_->params));
2790                 break;
2791
2792         case LFUN_INSET_EXTERNAL:
2793                 insertAndEditInset(new InsetExternal);
2794                 break;
2795
2796         case LFUN_INSET_FOOTNOTE:
2797                 insertAndEditInset(new InsetFoot(buffer_->params));
2798                 break;
2799
2800         case LFUN_INSET_MARGINAL:
2801                 insertAndEditInset(new InsetMarginal(buffer_->params));
2802                 break;
2803
2804         case LFUN_INSET_MINIPAGE:
2805                 insertAndEditInset(new InsetMinipage(buffer_->params));
2806                 break;
2807
2808         case LFUN_INSERT_NOTE:
2809                 insertAndEditInset(new InsetNote(buffer_->params));
2810                 break;
2811
2812         case LFUN_INSET_FLOAT:
2813                 // check if the float type exist
2814                 if (floatList.typeExist(argument)) {
2815                         insertAndEditInset(new InsetFloat(buffer_->params,
2816                                                           argument));
2817                 } else {
2818                         lyxerr << "Non-existent float type: "
2819                                << argument << endl;
2820                 }
2821                 break;
2822
2823         case LFUN_INSET_WIDE_FLOAT:
2824         {
2825                 // check if the float type exist
2826                 if (floatList.typeExist(argument)) {
2827                         InsetFloat * new_inset =
2828                                 new InsetFloat(buffer_->params, argument);
2829                         new_inset->wide(true);
2830                         if (insertInset(new_inset))
2831                                 new_inset->edit(bv_);
2832                         else
2833                                 delete new_inset;
2834                 } else {
2835                         lyxerr << "Non-existent float type: "
2836                                << argument << endl;
2837                 }
2838
2839         }
2840         break;
2841
2842 #if 0
2843         case LFUN_INSET_LIST:
2844                 insertAndEditInset(new InsetList);
2845                 break;
2846
2847         case LFUN_INSET_THEOREM:
2848                 insertAndEditInset(new InsetTheorem);
2849                 break;
2850 #endif
2851
2852         case LFUN_INSET_CAPTION:
2853         {
2854                 // Do we have a locking inset...
2855                 if (bv_->theLockingInset()) {
2856                         lyxerr << "Locking inset code: "
2857                                << static_cast<int>(bv_->theLockingInset()->lyxCode());
2858                         InsetCaption * new_inset =
2859                                 new InsetCaption(buffer_->params);
2860                         new_inset->setOwner(bv_->theLockingInset());
2861                         new_inset->setAutoBreakRows(true);
2862                         new_inset->setDrawFrame(0, InsetText::LOCKED);
2863                         new_inset->setFrameColor(0, LColor::captionframe);
2864                         if (insertInset(new_inset))
2865                                 new_inset->edit(bv_);
2866                         else
2867                                 delete new_inset;
2868                 }
2869         }
2870         break;
2871
2872         case LFUN_INSET_TABULAR:
2873         {
2874                 int r = 2;
2875                 int c = 2;
2876                 if (!argument.empty())
2877                         ::sscanf(argument.c_str(),"%d%d", &r, &c);
2878                 InsetTabular * new_inset =
2879                         new InsetTabular(*buffer_, r, c);
2880                 bool const rtl =
2881                         bv_->getLyXText()->real_current_font.isRightToLeft();
2882                 if (!open_new_inset(new_inset, rtl))
2883                         delete new_inset;
2884         }
2885         break;
2886
2887         // --- lyxserver commands ----------------------------
2888
2889         case LFUN_CHARATCURSOR:
2890         {
2891                 pos_type pos = bv_->getLyXText()->cursor.pos();
2892                 if (pos < bv_->getLyXText()->cursor.par()->size())
2893                         owner_->getLyXFunc()->setMessage(
2894                                 tostr(bv_->getLyXText()->cursor.par()->getChar(pos)));
2895                 else
2896                         owner_->getLyXFunc()->setMessage("EOF");
2897         }
2898         break;
2899
2900         case LFUN_GETXY:
2901                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.x())
2902                                                  + ' '
2903                                                  + tostr(bv_->getLyXText()->cursor.y()));
2904                 break;
2905
2906         case LFUN_SETXY:
2907         {
2908                 int x = 0;
2909                 int y = 0;
2910                 if (::sscanf(argument.c_str(), " %d %d", &x, &y) != 2) {
2911                         lyxerr << "SETXY: Could not parse coordinates in '"
2912                                << argument << std::endl;
2913                 }
2914                 bv_->getLyXText()->setCursorFromCoordinates(bv_, x, y);
2915         }
2916         break;
2917
2918         case LFUN_GETLAYOUT:
2919                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.par()->layout()));
2920                 break;
2921
2922         case LFUN_GETFONT:
2923         {
2924                 LyXFont & font = bv_->getLyXText()->current_font;
2925                 if (font.shape() == LyXFont::ITALIC_SHAPE)
2926                         owner_->getLyXFunc()->setMessage("E");
2927                 else if (font.shape() == LyXFont::SMALLCAPS_SHAPE)
2928                         owner_->getLyXFunc()->setMessage("N");
2929                 else
2930                         owner_->getLyXFunc()->setMessage("0");
2931
2932         }
2933         break;
2934
2935         // --- accented characters ---------------------------
2936
2937         case LFUN_UMLAUT:
2938         case LFUN_CIRCUMFLEX:
2939         case LFUN_GRAVE:
2940         case LFUN_ACUTE:
2941         case LFUN_TILDE:
2942         case LFUN_CEDILLA:
2943         case LFUN_MACRON:
2944         case LFUN_DOT:
2945         case LFUN_UNDERDOT:
2946         case LFUN_UNDERBAR:
2947         case LFUN_CARON:
2948         case LFUN_SPECIAL_CARON:
2949         case LFUN_BREVE:
2950         case LFUN_TIE:
2951         case LFUN_HUNG_UMLAUT:
2952         case LFUN_CIRCLE:
2953         case LFUN_OGONEK:
2954                 if (argument.empty()) {
2955                         // As always...
2956                         owner_->getLyXFunc()->handleKeyFunc(action);
2957                 } else {
2958                         owner_->getLyXFunc()->handleKeyFunc(action);
2959                         owner_->getIntl()->getTrans()
2960                                 .TranslateAndInsert(argument[0], bv_->getLyXText());
2961                         update(bv_->getLyXText(),
2962                                BufferView::SELECT
2963                                | BufferView::FITCUR
2964                                | BufferView::CHANGE);
2965                 }
2966                 break;
2967
2968         case LFUN_MATH_MACRO:
2969                 mathDispatchMathMacro(bv_, argument);
2970                 break;
2971
2972         case LFUN_MATH_DELIM:
2973                 mathDispatchMathDelim(bv_, argument);
2974                 break;
2975
2976         case LFUN_INSERT_MATRIX:
2977                 mathDispatchInsertMatrix(bv_, argument);
2978                 break;
2979
2980         case LFUN_INSERT_MATH:
2981                 mathDispatchInsertMath(bv_, argument);
2982                 break;
2983
2984         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
2985                 mathDispatchMathImportSelection(bv_, argument);
2986                 break;
2987
2988         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
2989                 mathDispatchMathDisplay(bv_, argument);
2990                 break;
2991
2992         case LFUN_MATH_MODE:             // Open or create an inlined math inset
2993                 mathDispatchMathMode(bv_, argument);
2994                 break;
2995
2996         case LFUN_GREEK:                 // Insert a single greek letter
2997                 mathDispatchGreek(bv_, argument);
2998                 break;
2999
3000         case LFUN_CITATION_INSERT:
3001         {
3002                 InsetCommandParams p;
3003                 p.setFromString(argument);
3004
3005                 InsetCitation * inset = new InsetCitation(p);
3006                 if (!insertInset(inset))
3007                         delete inset;
3008                 else
3009                         updateInset(inset, true);
3010         }
3011         break;
3012
3013         case LFUN_INSERT_BIBTEX:
3014         {
3015                 // ale970405+lasgoutt970425
3016                 // The argument can be up to two tokens separated
3017                 // by a space. The first one is the bibstyle.
3018                 string const db       = token(argument, ' ', 0);
3019                 string const bibstyle = token(argument, ' ', 1);
3020
3021                 InsetCommandParams p("BibTeX", db, bibstyle);
3022                 InsetBibtex * inset = new InsetBibtex(p);
3023
3024                 if (insertInset(inset)) {
3025                         if (argument.empty())
3026                                 inset->edit(bv_);
3027                 } else
3028                         delete inset;
3029         }
3030         break;
3031
3032         // BibTeX data bases
3033         case LFUN_BIBDB_ADD:
3034         {
3035                 InsetBibtex * inset =
3036                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3037                 if (inset) {
3038                         inset->addDatabase(argument);
3039                 }
3040         }
3041         break;
3042
3043         case LFUN_BIBDB_DEL:
3044         {
3045                 InsetBibtex * inset =
3046                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3047                 if (inset) {
3048                         inset->delDatabase(argument);
3049                 }
3050         }
3051         break;
3052
3053         case LFUN_BIBTEX_STYLE:
3054         {
3055                 InsetBibtex * inset =
3056                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3057                 if (inset) {
3058                         inset->setOptions(argument);
3059                 }
3060         }
3061         break;
3062
3063         case LFUN_INDEX_CREATE:
3064         {
3065                 InsetCommandParams p("index");
3066                 if (argument.empty()) {
3067                         string const idxstring(bv_->getLyXText()->getStringToIndex(bv_));
3068                         p.setContents(idxstring);
3069                 } else {
3070                         p.setContents(argument);
3071                 }
3072
3073                 owner_->getDialogs()->createIndex(p.getAsString());
3074         }
3075         break;
3076
3077         case LFUN_INDEX_INSERT:
3078         {
3079                 InsetCommandParams p;
3080                 p.setFromString(argument);
3081                 InsetIndex * inset = new InsetIndex(p);
3082
3083                 if (!insertInset(inset))
3084                         delete inset;
3085                 else
3086                         updateInset(inset, true);
3087         }
3088         break;
3089
3090         case LFUN_INDEX_INSERT_LAST:
3091         {
3092                 string const idxstring(bv_->getLyXText()->getStringToIndex(bv_));
3093                 if (!idxstring.empty()) {
3094                         owner_->message(_("Word `")
3095                                         + idxstring + _(("' indexed.")));
3096                         InsetCommandParams p("index", idxstring);
3097                         InsetIndex * inset = new InsetIndex(p);
3098
3099                         if (!insertInset(inset))
3100                                 delete inset;
3101                         else
3102                                 updateInset(inset, true);
3103                 }
3104         }
3105         break;
3106
3107         case LFUN_INDEX_PRINT:
3108         {
3109                 InsetCommandParams p("printindex");
3110                 Inset * inset = new InsetPrintIndex(p);
3111                 if (!insertInset(inset, "Standard"))
3112                         delete inset;
3113         }
3114         break;
3115
3116         case LFUN_PARENTINSERT:
3117         {
3118                 InsetCommandParams p("lyxparent", argument);
3119                 Inset * inset = new InsetParent(p, *buffer_);
3120                 if (!insertInset(inset, "Standard"))
3121                         delete inset;
3122         }
3123
3124         break;
3125
3126         case LFUN_CHILD_INSERT:
3127         {
3128                 InsetInclude::Params p;
3129                 p.cparams.setFromString(argument);
3130                 p.masterFilename_ = buffer_->fileName();
3131
3132                 InsetInclude * inset = new InsetInclude(p);
3133                 if (!insertInset(inset))
3134                         delete inset;
3135                 else {
3136                         updateInset(inset, true);
3137                         bv_->owner()->getDialogs()->showInclude(inset);
3138                 }
3139         }
3140         break;
3141
3142         case LFUN_FLOAT_LIST:
3143         {
3144                 // We should check the argument for validity. (Lgb)
3145                 Inset * inset = new InsetFloatList(argument);
3146                 if (!insertInset(inset, "Standard"))
3147                         delete inset;
3148         }
3149         break;
3150
3151         case LFUN_THESAURUS_ENTRY:
3152         {
3153                 string arg = argument;
3154
3155                 if (arg.empty()) {
3156                         arg = bv_->getLyXText()->selectionAsString(buffer_,
3157                                                                    false);
3158
3159                         // FIXME
3160                         if (arg.size() > 100 || arg.empty()) {
3161                                 // Get word or selection
3162                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
3163                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
3164                                 // FIXME: where is getLyXText()->unselect(bv_) ?
3165                         }
3166                 }
3167
3168                 bv_->owner()->getDialogs()->showThesaurus(arg);
3169         }
3170                 break;
3171
3172         case LFUN_SELFINSERT:
3173         {
3174                 if (argument.empty()) break;
3175
3176                 /* Automatically delete the currently selected
3177                  * text and replace it with what is being
3178                  * typed in now. Depends on lyxrc settings
3179                  * "auto_region_delete", which defaults to
3180                  * true (on). */
3181
3182                 LyXText * lt = bv_->getLyXText();
3183
3184                 if (lyxrc.auto_region_delete) {
3185                         if (lt->selection.set()) {
3186                                 lt->cutSelection(bv_, false, false);
3187                                 bv_->update(lt,
3188                                             BufferView::SELECT
3189                                             | BufferView::FITCUR
3190                                             | BufferView::CHANGE);
3191                         }
3192                         workarea_.haveSelection(false);
3193                 }
3194
3195                 beforeChange(lt);
3196                 LyXFont const old_font(lt->real_current_font);
3197
3198                 string::const_iterator cit = argument.begin();
3199                 string::const_iterator end = argument.end();
3200                 for (; cit != end; ++cit) {
3201                         owner_->getIntl()->getTrans().TranslateAndInsert(*cit, lt);
3202                 }
3203
3204                 bv_->update(lt,
3205                             BufferView::SELECT
3206                             | BufferView::FITCUR
3207                             | BufferView::CHANGE);
3208
3209                 lt->selection.cursor = lt->cursor;
3210                 moveCursorUpdate(false);
3211
3212                 // real_current_font.number can change so we need to
3213                 // update the minibuffer
3214                 if (old_font != lt->real_current_font)
3215                         owner_->showState();
3216                 //return string();
3217         }
3218         break;
3219
3220         case LFUN_DATE_INSERT:  // jdblair: date-insert cmd
3221         {
3222                 time_t now_time_t = time(NULL);
3223                 struct tm * now_tm = localtime(&now_time_t);
3224                 setlocale(LC_TIME, "");
3225                 string arg;
3226                 if (!argument.empty())
3227                         arg = argument;
3228                 else
3229                         arg = lyxrc.date_insert_format;
3230                 char datetmp[32];
3231                 int const datetmp_len =
3232                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
3233
3234                 LyXText * lt = bv_->getLyXText();
3235
3236                 for (int i = 0; i < datetmp_len; i++) {
3237                         lt->insertChar(bv_, datetmp[i]);
3238                         update(lt,
3239                                BufferView::SELECT
3240                                | BufferView::FITCUR
3241                                | BufferView::CHANGE);
3242                 }
3243
3244                 lt->selection.cursor = lt->cursor;
3245                 moveCursorUpdate(false);
3246         }
3247         break;
3248
3249         case LFUN_UNKNOWN_ACTION:
3250                 owner_->getLyXFunc()->setErrorMessage(N_("Unknown function!"));
3251                 break;
3252
3253         default:
3254                 return false;
3255         } // end of switch
3256
3257         return true;
3258 }
3259
3260
3261 void BufferView::Pimpl::newline()
3262 {
3263         if (available()) {
3264                 LyXText * lt = bv_->getLyXText();
3265                 hideCursor();
3266                 update(lt,
3267                        BufferView::SELECT
3268                        | BufferView::FITCUR);
3269                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
3270                 update(lt,
3271                        BufferView::SELECT
3272                        | BufferView::FITCUR
3273                        | BufferView::CHANGE);
3274         }
3275 }
3276
3277
3278 void BufferView::Pimpl::hfill()
3279 {
3280         if (available()) {
3281                 LyXText * lt = bv_->getLyXText();
3282                 hideCursor();
3283                 update(lt,
3284                        BufferView::SELECT
3285                        | BufferView::FITCUR);
3286                 lt->insertChar(bv_, Paragraph::META_HFILL);
3287                 update(lt,
3288                        BufferView::SELECT
3289                        | BufferView::FITCUR
3290                        | BufferView::CHANGE);
3291         }
3292 }
3293
3294
3295 void BufferView::Pimpl::specialChar(InsetSpecialChar::Kind kind)
3296 {
3297         if (available()) {
3298                 LyXText * lt = bv_->getLyXText();
3299
3300                 hideCursor();
3301                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3302                 InsetSpecialChar * new_inset =
3303                         new InsetSpecialChar(kind);
3304                 if (!insertInset(new_inset))
3305                         delete new_inset;
3306                 else
3307                         updateInset(new_inset, true);
3308         }
3309 }
3310
3311
3312 void BufferView::Pimpl::smartQuote()
3313 {
3314         LyXText const * lt = bv_->getLyXText();
3315         Paragraph const * par = lt->cursor.par();
3316         pos_type pos = lt->cursor.pos();
3317         char c;
3318
3319         if (!pos
3320             || (par->isInset(pos - 1)
3321                 && par->getInset(pos - 1)->isSpace()))
3322                 c = ' ';
3323         else
3324                 c = par->getChar(pos - 1);
3325
3326
3327         hideCursor();
3328
3329         LyXLayout const & style =
3330                 textclasslist[bv_->buffer()->params.textclass][par->layout()];
3331
3332         if (style.pass_thru ||
3333                 (!insertInset(new InsetQuotes(c, bv_->buffer()->params))))
3334                 bv_->owner()->getLyXFunc()->dispatch(LFUN_SELFINSERT, "\"");
3335 }
3336
3337
3338 void BufferView::Pimpl::insertAndEditInset(Inset * inset)
3339 {
3340         if (insertInset(inset))
3341                 inset->edit(bv_);
3342         else
3343                 delete inset;
3344 }
3345
3346
3347 // Open and lock an updatable inset
3348 bool BufferView::Pimpl::open_new_inset(UpdatableInset * new_inset, bool behind)
3349 {
3350         LyXText * lt = bv_->getLyXText();
3351
3352         beforeChange(lt);
3353         finishUndo();
3354         if (!insertInset(new_inset)) {
3355                 delete new_inset;
3356                 return false;
3357         }
3358         new_inset->edit(bv_, !behind);
3359         return true;
3360 }
3361
3362
3363 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
3364 {
3365         // if we are in a locking inset we should try to insert the
3366         // inset there otherwise this is a illegal function now
3367         if (bv_->theLockingInset()) {
3368                 if (bv_->theLockingInset()->insetAllowed(inset))
3369                     return bv_->theLockingInset()->insertInset(bv_, inset);
3370                 return false;
3371         }
3372
3373         // not quite sure if we want this...
3374         setCursorParUndo(bv_);
3375         freezeUndo();
3376
3377         beforeChange(bv_->text);
3378         if (!lout.empty()) {
3379                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3380                 bv_->text->breakParagraph(bv_);
3381                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3382
3383                 if (bv_->text->cursor.par()->size()) {
3384                         bv_->text->cursorLeft(bv_);
3385
3386                         bv_->text->breakParagraph(bv_);
3387                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3388                 }
3389
3390                 string lres = lout;
3391                 LyXTextClass const & tclass =
3392                         textclasslist[buffer_->params.textclass];
3393                 bool hasLayout = tclass.hasLayout(lres);
3394                 string lay = tclass.defaultLayoutName();
3395
3396                 if (hasLayout != false) {
3397                         // layout found
3398                         lay = lres;
3399                 } else {
3400                         // layout not fount using default
3401                         lay = tclass.defaultLayoutName();
3402                 }
3403
3404                 bv_->text->setLayout(bv_, lay);
3405
3406                 bv_->text->setParagraph(bv_, 0, 0,
3407                                    0, 0,
3408                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
3409                                    Spacing(),
3410                                    LYX_ALIGN_LAYOUT,
3411                                    string(),
3412                                    0);
3413                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3414         }
3415
3416         bv_->text->insertInset(bv_, inset);
3417         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3418
3419         unFreezeUndo();
3420         return true;
3421 }
3422
3423
3424 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
3425 {
3426         if (!inset || !available())
3427                 return;
3428
3429         // first check for locking insets
3430         if (bv_->theLockingInset()) {
3431                 if (bv_->theLockingInset() == inset) {
3432                         if (bv_->text->updateInset(bv_, inset)) {
3433                                 update();
3434                                 if (mark_dirty) {
3435                                         buffer_->markDirty();
3436                                 }
3437                                 updateScrollbar();
3438                                 return;
3439                         }
3440                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
3441                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
3442                                 update();
3443                                 if (mark_dirty) {
3444                                         buffer_->markDirty();
3445                                 }
3446                                 updateScrollbar();
3447                                 return;
3448                         }
3449                 }
3450         }
3451
3452         // then check if the inset is a top_level inset (has no owner)
3453         // if yes do the update as always otherwise we have to update the
3454         // toplevel inset where this inset is inside
3455         Inset * tl_inset = inset;
3456         while(tl_inset->owner())
3457                 tl_inset = tl_inset->owner();
3458         hideCursor();
3459         if (tl_inset == inset) {
3460                 update(bv_->text, BufferView::UPDATE);
3461                 if (bv_->text->updateInset(bv_, inset)) {
3462                         if (mark_dirty) {
3463                                 update(bv_->text,
3464                                        BufferView::SELECT
3465                                        | BufferView::FITCUR
3466                                        | BufferView::CHANGE);
3467                         } else {
3468                                 update(bv_->text, SELECT);
3469                         }
3470                         return;
3471                 }
3472         } else if (static_cast<UpdatableInset *>(tl_inset)
3473                            ->updateInsetInInset(bv_, inset))
3474         {
3475                         if (bv_->text->updateInset(bv_,  tl_inset)) {
3476                                 update();
3477                                 updateScrollbar();
3478                         }
3479         }
3480 }
3481
3482
3483 void BufferView::Pimpl::gotoInset(vector<Inset::Code> const & codes,
3484                                   bool same_content)
3485 {
3486         if (!available()) return;
3487
3488         hideCursor();
3489         beforeChange(bv_->text);
3490         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3491
3492         LyXCursor const & cursor = bv_->text->cursor;
3493
3494         string contents;
3495         if (same_content &&
3496             cursor.par()->isInset(cursor.pos())) {
3497                 Inset const * inset = cursor.par()->getInset(cursor.pos());
3498                 if (find(codes.begin(), codes.end(), inset->lyxCode())
3499                     != codes.end())
3500                         contents =
3501                                 static_cast<InsetCommand const *>(inset)->getContents();
3502         }
3503
3504
3505         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3506                 if (bv_->text->cursor.pos()
3507                     || bv_->text->cursor.par() != bv_->text->ownerParagraph()) {
3508                         LyXCursor tmp = bv_->text->cursor;
3509                         bv_->text->cursor.par(bv_->text->ownerParagraph());
3510                         bv_->text->cursor.pos(0);
3511                         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3512                                 bv_->text->cursor = tmp;
3513                                 bv_->owner()->message(_("No more insets"));
3514                         }
3515                 } else {
3516                         bv_->owner()->message(_("No more insets"));
3517                 }
3518         }
3519         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3520         bv_->text->selection.cursor = bv_->text->cursor;
3521 }
3522
3523
3524 void BufferView::Pimpl::gotoInset(Inset::Code code, bool same_content)
3525 {
3526         gotoInset(vector<Inset::Code>(1, code), same_content);
3527 }