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more guii moving around.
[lyx.git] / src / BufferView_pimpl.C
1 #include <config.h>
2
3 #ifdef __GNUG__
4 #pragma implementation
5 #endif
6
7 #include "BufferView_pimpl.h"
8 #include "frontends/WorkArea.h"
9 #include "frontends/screen.h"
10 #include "lyxtext.h"
11 #include "lyxrow.h"
12 #include "paragraph.h"
13 #include "frontends/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 #if 0
180                 insetSleep();
181 #endif
182                 buffer_->delUser(bv_);
183
184                 // Put the old text into the TextCache, but
185                 // only if the buffer is still loaded.
186                 // Also set the owner of the test to 0
187                 //              bv_->text->owner(0);
188                 textcache.add(buffer_, workarea_.workWidth(), bv_->text);
189                 if (lyxerr.debugging())
190                         textcache.show(lyxerr, "BufferView::buffer");
191
192                 bv_->text = 0;
193         }
194
195         // Set current buffer
196         buffer_ = b;
197
198         if (bufferlist.getState() == BufferList::CLOSING) return;
199
200         // Nuke old image
201         // screen is always deleted when the buffer is changed.
202         screen_.reset(0);
203
204         // If we are closing the buffer, use the first buffer as current
205         if (!buffer_) {
206                 buffer_ = bufferlist.first();
207         }
208
209         if (buffer_) {
210                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
211                 buffer_->addUser(bv_);
212                 // If we don't have a text object for this, we make one
213                 if (bv_->text == 0) {
214                         resizeCurrentBuffer();
215                 } else {
216                         updateScreen();
217                         updateScrollbar();
218                 }
219                 bv_->text->first_y = screen_->topCursorVisible(bv_->text);
220                 owner_->updateMenubar();
221                 owner_->updateToolbar();
222                 // Similarly, buffer-dependent dialogs should be updated or
223                 // hidden. This should go here because some dialogs (eg ToC)
224                 // require bv_->text.
225                 owner_->getDialogs()->updateBufferDependent(true);
226                 redraw();
227 #if 0
228                 insetWakeup();
229 #endif
230         } else {
231                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
232                 owner_->updateMenubar();
233                 owner_->updateToolbar();
234                 owner_->getDialogs()->hideBufferDependent();
235                 updateScrollbar();
236                 workarea_.redraw();
237
238                 // Also remove all remaining text's from the testcache.
239                 // (there should not be any!) (if there is any it is a
240                 // bug!)
241                 if (lyxerr.debugging())
242                         textcache.show(lyxerr, "buffer delete all");
243                 textcache.clear();
244         }
245         // should update layoutchoice even if we don't have a buffer.
246         owner_->updateLayoutChoice();
247
248         owner_->updateWindowTitle();
249 }
250
251
252 void BufferView::Pimpl::resize(int xpos, int ypos, int width, int height)
253 {
254         workarea_.resize(xpos, ypos, width, height);
255         update(bv_->text, SELECT);
256         redraw();
257 }
258
259
260 void BufferView::Pimpl::resize()
261 {
262         if (buffer_)
263                 resizeCurrentBuffer();
264 }
265
266
267 void BufferView::Pimpl::redraw()
268 {
269         lyxerr[Debug::INFO] << "BufferView::redraw()" << endl;
270         workarea_.redraw();
271 }
272
273
274 bool BufferView::Pimpl::fitCursor()
275 {
276         lyx::Assert(screen_.get());
277
278         bool ret;
279
280         if (bv_->theLockingInset()) {
281                 bv_->theLockingInset()->fitInsetCursor(bv_);
282                 ret = true;
283         } else {
284                 ret = screen_->fitCursor(bv_->text, bv_);
285         }
286
287         bv_->owner()->getDialogs()->updateParagraph();
288         if (ret)
289             updateScrollbar();
290         return ret;
291 }
292
293
294 void BufferView::Pimpl::redoCurrentBuffer()
295 {
296         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
297         if (buffer_ && bv_->text) {
298                 resize();
299                 owner_->updateLayoutChoice();
300         }
301 }
302
303
304 int BufferView::Pimpl::resizeCurrentBuffer()
305 {
306         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
307
308         Paragraph * par = 0;
309         Paragraph * selstartpar = 0;
310         Paragraph * selendpar = 0;
311         UpdatableInset * the_locking_inset = 0;
312
313         pos_type pos = 0;
314         pos_type selstartpos = 0;
315         pos_type selendpos = 0;
316         bool selection = false;
317         bool mark_set  = false;
318
319         owner_->prohibitInput();
320
321         owner_->message(_("Formatting document..."));
322
323         if (bv_->text) {
324                 par = bv_->text->cursor.par();
325                 pos = bv_->text->cursor.pos();
326                 selstartpar = bv_->text->selection.start.par();
327                 selstartpos = bv_->text->selection.start.pos();
328                 selendpar = bv_->text->selection.end.par();
329                 selendpos = bv_->text->selection.end.pos();
330                 selection = bv_->text->selection.set();
331                 mark_set = bv_->text->selection.mark();
332                 the_locking_inset = bv_->theLockingInset();
333                 buffer_->resizeInsets(bv_);
334                 // I don't think the delete and new are necessary here we just could
335                 // call only init! (Jug 20020419)
336                 delete bv_->text;
337                 bv_->text = new LyXText(bv_);
338                 bv_->text->init(bv_);
339         } else {
340                 // See if we have a text in TextCache that fits
341                 // the new buffer_ with the correct width.
342                 bv_->text = textcache.findFit(buffer_, workarea_.workWidth());
343                 if (bv_->text) {
344                         if (lyxerr.debugging()) {
345                                 lyxerr << "Found a LyXText that fits:\n";
346                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea_.workWidth(), bv_->text)));
347                         }
348                         // Set the owner of the newly found text
349                         //      bv_->text->owner(bv_);
350                         if (lyxerr.debugging())
351                                 textcache.show(lyxerr, "resizeCurrentBuffer");
352                 } else {
353                         bv_->text = new LyXText(bv_);
354                         bv_->text->init(bv_);
355                         //buffer_->resizeInsets(bv_);
356                 }
357         }
358
359         updateScreen();
360
361         if (par) {
362                 bv_->text->selection.set(true);
363                 // At this point just to avoid the Delete-Empty-Paragraph-
364                 // Mechanism when setting the cursor.
365                 bv_->text->selection.mark(mark_set);
366                 if (selection) {
367                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
368                         bv_->text->selection.cursor = bv_->text->cursor;
369                         bv_->text->setCursor(bv_, selendpar, selendpos);
370                         bv_->text->setSelection(bv_);
371                         bv_->text->setCursor(bv_, par, pos);
372                 } else {
373                         bv_->text->setCursor(bv_, par, pos);
374                         bv_->text->selection.cursor = bv_->text->cursor;
375                         bv_->text->selection.set(false);
376                 }
377                 // remake the inset locking
378                 bv_->theLockingInset(the_locking_inset);
379         }
380
381         bv_->text->first_y = screen_->topCursorVisible(bv_->text);
382
383         // this will scroll the screen such that the cursor becomes visible
384         updateScrollbar();
385         redraw();
386
387         setState();
388         owner_->allowInput();
389
390         /// clear the "Formatting Document" message
391         owner_->message("");
392
393         return 0;
394 }
395
396
397 void BufferView::Pimpl::updateScreen()
398 {
399         // Regenerate the screen.
400         screen_.reset(new LyXScreen(workarea_));
401 }
402
403
404 void BufferView::Pimpl::updateScrollbar()
405 {
406         if (!bv_->text) {
407                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
408                 workarea_.setScrollbar(0, 1.0);
409                 return;
410         }
411
412         long const text_height = bv_->text->height;
413         long const work_height = workarea_.height();
414
415         double const lineh = bv_->text->defaultHeight();
416         double const slider_size =
417                 (text_height == 0) ? 1.0 : 1.0 / double(text_height);
418
419         lyxerr[Debug::GUI] << "text_height now " << text_height << endl;
420         lyxerr[Debug::GUI] << "work_height " << work_height << endl;
421
422         /* If the text is smaller than the working area, the scrollbar
423          * maximum must be the working area height. No scrolling will
424          * be possible */
425         if (text_height <= work_height) {
426                 lyxerr[Debug::GUI] << "doc smaller than workarea !" << endl;
427                 workarea_.setScrollbarBounds(0.0, 0.0);
428                 current_scrollbar_value = bv_->text->first_y;
429                 workarea_.setScrollbar(current_scrollbar_value, 1.0);
430                 return;
431         }
432
433         workarea_.setScrollbarBounds(0.0, text_height - work_height);
434         workarea_.setScrollbarIncrements(lineh);
435         current_scrollbar_value = bv_->text->first_y;
436         workarea_.setScrollbar(current_scrollbar_value, slider_size);
437 }
438
439
440 // Callback for scrollbar slider
441 void BufferView::Pimpl::scrollCB(double value)
442 {
443         lyxerr[Debug::GUI] << "scrollCB of " << value << endl;
444
445         if (!buffer_) return;
446
447         current_scrollbar_value = long(value);
448
449         if (current_scrollbar_value < 0)
450                 current_scrollbar_value = 0;
451
452         if (!screen_.get())
453                 return;
454
455         screen_->draw(bv_->text, bv_, current_scrollbar_value);
456
457         if (!lyxrc.cursor_follows_scrollbar) {
458                 waitForX();
459                 return;
460         }
461
462         LyXText * vbt = bv_->text;
463
464         int const height = vbt->defaultHeight();
465         int const first = static_cast<int>((bv_->text->first_y + height));
466         int const last = static_cast<int>((bv_->text->first_y + workarea_.height() - height));
467
468         if (vbt->cursor.y() < first)
469                 vbt->setCursorFromCoordinates(bv_, 0, first);
470         else if (vbt->cursor.y() > last)
471                 vbt->setCursorFromCoordinates(bv_, 0, last);
472
473         waitForX();
474 }
475
476
477 int BufferView::Pimpl::scrollUp(long time)
478 {
479         if (!buffer_ || !screen_.get())
480                 return 0;
481
482         double value = workarea_.getScrollbarValue();
483
484         if (value == 0)
485                 return 0;
486
487 #if 1
488         float add_value =  (bv_->text->defaultHeight()
489                             + float(time) * float(time) * 0.125);
490
491         if (add_value > workarea_.height())
492                 add_value = float(workarea_.height() -
493                                   bv_->text->defaultHeight());
494 #else
495         float add_value =  float(workarea_.height()) * float(time) / 100;
496 #endif
497
498         value -= add_value;
499
500         if (value < 0)
501                 value = 0;
502
503         workarea_.setScrollbarValue(value);
504
505         scrollCB(value);
506         return 0;
507 }
508
509
510 int BufferView::Pimpl::scrollDown(long time)
511 {
512         if (!buffer_ || !screen_.get())
513                 return 0;
514
515         double value = workarea_.getScrollbarValue();
516         pair<float, float> p = workarea_.getScrollbarBounds();
517         double const max = p.second;
518
519         if (value == max)
520                 return 0;
521
522 #if 1
523         float add_value =  (bv_->text->defaultHeight()
524                             + float(time) * float(time) * 0.125);
525
526         if (add_value > workarea_.height())
527                 add_value = float(workarea_.height() -
528                                   bv_->text->defaultHeight());
529 #else
530         float add_value =  float(workarea_.height()) * float(time) / 100;
531 #endif
532
533         value += add_value;
534
535         if (value > max)
536                 value = max;
537
538         workarea_.setScrollbarValue(value);
539
540         scrollCB(value);
541         return 0;
542 }
543
544
545 void BufferView::Pimpl::workAreaKeyPress(KeySym keysym, unsigned int state)
546 {
547         bv_->owner()->getLyXFunc()->processKeySym(keysym, state);
548 }
549
550
551 void BufferView::Pimpl::workAreaMotionNotify(int x, int y, unsigned int state)
552 {
553         // Only use motion with button 1
554         if (!(state & Button1MotionMask))
555                 return;
556
557         if (!buffer_ || !screen_.get()) return;
558
559         // Check for inset locking
560         if (bv_->theLockingInset()) {
561                 LyXCursor cursor = bv_->text->cursor;
562                 LyXFont font = bv_->text->getFont(buffer_,
563                                                   cursor.par(), cursor.pos());
564                 int width = bv_->theLockingInset()->width(bv_, font);
565                 int inset_x = font.isVisibleRightToLeft()
566                         ? cursor.ix() - width : cursor.ix();
567                 int start_x = inset_x + bv_->theLockingInset()->scroll();
568                 bv_->theLockingInset()->
569                         insetMotionNotify(bv_,
570                                           x - start_x,
571                                           y - cursor.iy() + bv_->text->first_y,
572                                           state);
573                 return;
574         }
575
576         /* The test for not selection possible is needed, that only motion
577            events are used, where the bottom press event was on
578            the drawing area too */
579         if (!selection_possible)
580                 return;
581
582         screen_->hideCursor();
583 #if 0
584         int y_before = bv_->text->cursor.y();
585 #endif
586         Row * cursorrow = bv_->text->cursor.row();
587         bv_->text->setCursorFromCoordinates(bv_, x, y + bv_->text->first_y);
588 #if 0
589         // sorry for this but I have a strange error that the y value jumps at
590         // a certain point. This seems like an error in my xforms library or
591         // in some other local environment, but I would like to leave this here
592         // for the moment until I can remove this (Jug 20020418)
593         if (y_before < bv_->text->cursor.y())
594                 lyxerr << y_before << ":" << bv_->text->cursor.y() << endl;
595 #endif
596         // This is to allow jumping over large insets
597         if (cursorrow == bv_->text->cursor.row()) {
598                 if (y >= int(workarea_.height())) {
599                         bv_->text->cursorDown(bv_, false);
600                 } else if (y < 0) {
601                         bv_->text->cursorUp(bv_, false);
602                 }
603         }
604
605         if (!bv_->text->selection.set())
606                 update(bv_->text, BufferView::UPDATE); // Maybe an empty line was deleted
607
608         bv_->text->setSelection(bv_);
609         screen_->toggleToggle(bv_->text, bv_);
610         fitCursor();
611         showCursor();
612 }
613
614
615 // Single-click on work area
616 void BufferView::Pimpl::workAreaButtonPress(int xpos, int ypos,
617                                             unsigned int button)
618 {
619         if (!buffer_ || !screen_.get())
620                 return;
621
622         // ok ok, this is a hack.
623         // Why??? (Jug20020424)
624         if (button == 4 || button == 5) {
625                 switch (button) {
626                 case 4:
627                         scrollUp(lyxrc.wheel_jump); // default 100, set in lyxrc
628                         break;
629                 case 5:
630                         scrollDown(lyxrc.wheel_jump);
631                         break;
632                 }
633                 // We shouldn't go further down as we really should only do the
634                 // scrolling and be done with this. Otherwise we may open some
635                 // dialogs (Jug 20020424).
636                 return;
637         }
638
639         Inset * inset_hit = checkInsetHit(bv_->text, xpos, ypos);
640
641         // Middle button press pastes if we have a selection
642         // We do this here as if the selection was inside an inset
643         // it could get cleared on the unlocking of the inset so
644         // we have to check this first
645         bool paste_internally = false;
646         if (button == 2 && bv_->getLyXText()->selection.set()) {
647                 owner_->getLyXFunc()->dispatch(LFUN_COPY);
648                 paste_internally = true;
649         }
650
651         int const screen_first = bv_->text->first_y;
652
653         if (bv_->theLockingInset()) {
654                 // We are in inset locking mode
655
656                 /* Check whether the inset was hit. If not reset mode,
657                    otherwise give the event to the inset */
658                 if (inset_hit == bv_->theLockingInset()) {
659                         bv_->theLockingInset()->
660                                 insetButtonPress(bv_,xpos, ypos,button);
661                         return;
662                 } else {
663                         bv_->unlockInset(bv_->theLockingInset());
664                 }
665         }
666
667         if (!inset_hit)
668                 selection_possible = true;
669         screen_->hideCursor();
670
671         // Clear the selection
672         screen_->toggleSelection(bv_->text, bv_);
673         bv_->text->clearSelection();
674         bv_->text->fullRebreak(bv_);
675         update();
676         updateScrollbar();
677
678         // Single left click in math inset?
679         if (isHighlyEditableInset(inset_hit)) {
680                 // Highly editable inset, like math
681                 UpdatableInset * inset = static_cast<UpdatableInset *>(inset_hit);
682                 selection_possible = false;
683                 owner_->updateLayoutChoice();
684                 owner_->message(inset->editMessage());
685                 //inset->edit(bv_, xpos, ypos, button);
686                 // We just have to lock the inset before calling a PressEvent on it!
687                 // we don't need the edit() call here! (Jug20020329)
688                 if (!bv_->lockInset(inset)) {
689                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
690                 }
691                 inset->insetButtonPress(bv_, xpos, ypos, button);
692                 return;
693         }
694         // I'm not sure we should continue here if we hit an inset (Jug20020403)
695
696         // Right click on a footnote flag opens float menu
697         if (button == 3) {
698                 selection_possible = false;
699                 return;
700         }
701
702         if (!inset_hit) // otherwise it was already set in checkInsetHit(...)
703                 bv_->text->setCursorFromCoordinates(bv_, xpos, ypos + screen_first);
704         finishUndo();
705         bv_->text->selection.cursor = bv_->text->cursor;
706         bv_->text->cursor.x_fix(bv_->text->cursor.x());
707
708         owner_->updateLayoutChoice();
709         if (fitCursor()) {
710                 selection_possible = false;
711         }
712
713         // Insert primary selection with middle mouse
714         // if there is a local selection in the current buffer,
715         // insert this
716         if (button == 2) {
717                 if (paste_internally)
718                         owner_->getLyXFunc()->dispatch(LFUN_PASTE);
719                 else
720                         owner_->getLyXFunc()->dispatch(LFUN_PASTESELECTION,
721                                                        "paragraph");
722                 selection_possible = false;
723                 return;
724         }
725 }
726
727
728 void BufferView::Pimpl::doubleClick(int /*x*/, int /*y*/, unsigned int button)
729 {
730         // select a word
731         if (!buffer_)
732                 return;
733
734         LyXText * text = bv_->getLyXText();
735
736         if (text->bv_owner && bv_->theLockingInset())
737                 return;
738
739         if (screen_.get() && button == 1) {
740                 if (text->bv_owner) {
741                         screen_->hideCursor();
742                         screen_->toggleSelection(text, bv_);
743                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
744                         screen_->toggleSelection(text, bv_, false);
745                 } else {
746                         text->selectWord(bv_, LyXText::WHOLE_WORD_STRICT);
747                 }
748                 /* This will fit the cursor on the screen
749                  * if necessary */
750                 update(text, BufferView::SELECT|BufferView::FITCUR);
751         }
752 }
753
754
755 void BufferView::Pimpl::tripleClick(int /*x*/, int /*y*/, unsigned int button)
756 {
757         // select a line
758         if (!buffer_)
759                 return;
760
761         LyXText * text = bv_->getLyXText();
762
763         if (text->bv_owner && bv_->theLockingInset())
764             return;
765
766         if (screen_.get() && (button == 1)) {
767                 if (text->bv_owner) {
768                         screen_->hideCursor();
769                         screen_->toggleSelection(text, bv_);
770                 }
771                 text->cursorHome(bv_);
772                 text->selection.cursor = text->cursor;
773                 text->cursorEnd(bv_);
774                 text->setSelection(bv_);
775                 if (text->bv_owner) {
776                         screen_->toggleSelection(text, bv_, false);
777                 }
778                 /* This will fit the cursor on the screen
779                  * if necessary */
780                 update(text, BufferView::SELECT|BufferView::FITCUR);
781         }
782 }
783
784
785 void BufferView::Pimpl::selectionRequested()
786 {
787         static string sel;
788
789         if (!available())
790                 return;
791
792         LyXText * text = bv_->getLyXText();
793
794         if (text->selection.set() &&
795                 (!bv_->text->xsel_cache.set() ||
796                  text->selection.start != bv_->text->xsel_cache.start ||
797                  text->selection.end != bv_->text->xsel_cache.end))
798         {
799                 bv_->text->xsel_cache = text->selection;
800                 sel = text->selectionAsString(bv_->buffer(), false);
801         } else if (!text->selection.set()) {
802                 sel = string();
803                 bv_->text->xsel_cache.set(false);
804         }
805         if (!sel.empty()) {
806                 workarea_.putClipboard(sel);
807         }
808 }
809
810
811 void BufferView::Pimpl::selectionLost()
812 {
813         if (active() && available()) {
814                 hideCursor();
815                 toggleSelection();
816                 bv_->getLyXText()->clearSelection();
817                 showCursor();
818                 bv_->text->xsel_cache.set(false);
819         }
820 }
821
822
823 void BufferView::Pimpl::enterView()
824 {
825         if (active() && available()) {
826                 SetXtermCursor(workarea_.getWin());
827                 using_xterm_cursor = true;
828         }
829 }
830
831
832 void BufferView::Pimpl::leaveView()
833 {
834         if (using_xterm_cursor) {
835                 XUndefineCursor(fl_get_display(), workarea_.getWin());
836                 using_xterm_cursor = false;
837         }
838 }
839
840
841 void BufferView::Pimpl::workAreaButtonRelease(int x, int y,
842                                               unsigned int button)
843 {
844         // do nothing if we used the mouse wheel
845         if (!buffer_ || !screen_.get() || button == 4 || button == 5)
846                 return;
847
848         // If we hit an inset, we have the inset coordinates in these
849         // and inset_hit points to the inset.  If we do not hit an
850         // inset, inset_hit is 0, and inset_x == x, inset_y == y.
851         Inset * inset_hit = checkInsetHit(bv_->text, x, y);
852
853         if (bv_->theLockingInset()) {
854                 // We are in inset locking mode.
855
856                 /* LyX does a kind of work-area grabbing for insets.
857                    Only a ButtonPress Event outside the inset will
858                    force a insetUnlock. */
859                 bv_->theLockingInset()->
860                         insetButtonRelease(bv_, x, y, button);
861                 return;
862         }
863
864         selection_possible = false;
865
866         if (button == 2)
867                 return;
868
869         // finish selection
870         if (button == 1) {
871                 workarea_.haveSelection(bv_->getLyXText()->selection.set());
872         }
873
874         setState();
875         owner_->showState();
876         owner_->updateMenubar();
877         owner_->updateToolbar();
878
879         // Did we hit an editable inset?
880         if (inset_hit) {
881                 selection_possible = false;
882
883                 // if we reach this point with a selection, it
884                 // must mean we are currently selecting.
885                 // But we don't want to open the inset
886                 // because that is annoying for the user.
887                 // So just pretend we didn't hit it.
888                 // this is OK because a "kosher" ButtonRelease
889                 // will follow a ButtonPress that clears
890                 // the selection.
891                 // Note this also fixes selection drawing
892                 // problems if we end up opening an inset
893                 if (bv_->getLyXText()->selection.set())
894                         return;
895
896                 // CHECK fix this proper in 0.13
897                 // well, maybe 13.0 !!!!!!!!!
898
899                 // Following a ref shouldn't issue
900                 // a push on the undo-stack
901                 // anylonger, now that we have
902                 // keybindings for following
903                 // references and returning from
904                 // references.  IMHO though, it
905                 // should be the inset's own business
906                 // to push or not push on the undo
907                 // stack. They don't *have* to
908                 // alter the document...
909                 // (Joacim)
910                 // ...or maybe the SetCursorParUndo()
911                 // below isn't necessary at all anylonger?
912                 if (inset_hit->lyxCode() == Inset::REF_CODE) {
913                         setCursorParUndo(bv_);
914                 }
915
916                 owner_->message(inset_hit->editMessage());
917
918                 if (isHighlyEditableInset(inset_hit)) {
919                         // Highly editable inset, like math
920                         UpdatableInset *inset = (UpdatableInset *)inset_hit;
921                         inset->insetButtonRelease(bv_, x, y, button);
922                 } else {
923                         inset_hit->insetButtonRelease(bv_, x, y, button);
924                         // IMO this is a grosshack! Inset's should be changed so that
925                         // they call the actions they have to do with the insetButtonRel.
926                         // function and not in the edit(). This should be changed
927                         // (Jug 20020329)
928                         inset_hit->edit(bv_, x, y, button);
929                 }
930                 return;
931         }
932
933         // Maybe we want to edit a bibitem ale970302
934         if (bv_->text->cursor.par()->bibkey && x < 20 +
935             bibitemMaxWidth(bv_, textclasslist[buffer_->params.textclass].defaultfont())) {
936                 bv_->text->cursor.par()->bibkey->edit(bv_, 0, 0, 0);
937         }
938
939         return;
940 }
941
942
943 Box BufferView::Pimpl::insetDimensions(LyXText const & text,
944                                        LyXCursor const & cursor) const
945 {
946         Paragraph /*const*/ & par = *cursor.par();
947         pos_type const pos = cursor.pos();
948
949         lyx::Assert(par.getInset(pos));
950
951         Inset const & inset(*par.getInset(pos));
952
953         LyXFont const & font = text.getFont(buffer_, &par, pos);
954
955         int const width = inset.width(bv_, font);
956         int const inset_x = font.isVisibleRightToLeft()
957                 ? (cursor.ix() - width) : cursor.ix();
958
959         return Box(
960                 inset_x + inset.scroll(),
961                 inset_x + width,
962                 cursor.iy() - inset.ascent(bv_, font),
963                 cursor.iy() + inset.descent(bv_, font));
964 }
965
966
967 Inset * BufferView::Pimpl::checkInset(LyXText const & text,
968                                       LyXCursor const & cursor,
969                                       int & x, int & y) const
970 {
971         pos_type const pos(cursor.pos());
972         Paragraph /*const*/ & par(*cursor.par());
973
974         if (pos >= par.size() || !par.isInset(pos)) {
975                 return 0;
976         }
977
978         Inset /*const*/ * inset = par.getInset(pos);
979
980         if (!isEditableInset(inset)) {
981                 return 0;
982         }
983
984         Box b(insetDimensions(text, cursor));
985
986         if (!b.contained(x, y)) {
987                 lyxerr[Debug::GUI] << "Missed inset at x,y " << x << "," << y
988                         << " box " << b << endl;
989                 return 0;
990         }
991
992         text.setCursor(bv_, &par, pos, true);
993
994         x -= b.x1;
995         // The origin of an inset is on the baseline
996         y -= text.cursor.iy();
997
998         return inset;
999 }
1000
1001
1002 Inset * BufferView::Pimpl::checkInsetHit(LyXText * text, int & x, int & y)
1003 {
1004         if (!screen_.get())
1005                 return 0;
1006
1007         int y_tmp = y + text->first_y;
1008
1009         LyXCursor cursor;
1010         text->setCursorFromCoordinates(bv_, cursor, x, y_tmp);
1011
1012         Inset * inset(checkInset(*text, cursor, x, y_tmp));
1013
1014         if (inset) {
1015                 y = y_tmp;
1016                 return inset;
1017         }
1018
1019         // look at previous position
1020
1021         if (cursor.pos() == 0) {
1022                 return 0;
1023         }
1024
1025         // move back one
1026         text->setCursor(bv_, cursor, cursor.par(), cursor.pos() - 1, true);
1027
1028         inset = checkInset(*text, cursor, x, y_tmp);
1029         if (inset) {
1030                 y = y_tmp;
1031         }
1032         return inset;
1033 }
1034
1035
1036 void BufferView::Pimpl::workAreaExpose()
1037 {
1038         static int work_area_width;
1039         static unsigned int work_area_height;
1040
1041         bool const widthChange = workarea_.workWidth() != work_area_width;
1042         bool const heightChange = workarea_.height() != work_area_height;
1043
1044         // update from work area
1045         work_area_width = workarea_.workWidth();
1046         work_area_height = workarea_.height();
1047         if (buffer_ != 0) {
1048                 if (widthChange) {
1049                         // The visible LyXView need a resize
1050                         owner_->resize();
1051
1052                         // Remove all texts from the textcache
1053                         // This is not _really_ what we want to do. What
1054                         // we really want to do is to delete in textcache
1055                         // that does not have a BufferView with matching
1056                         // width, but as long as we have only one BufferView
1057                         // deleting all gives the same result.
1058                         if (lyxerr.debugging())
1059                                 textcache.show(lyxerr, "Expose delete all");
1060                         textcache.clear();
1061                         buffer_->resizeInsets(bv_);
1062                 } else if (heightChange) {
1063                         // Rebuild image of current screen
1064                         updateScreen();
1065                         // fitCursor() ensures we don't jump back
1066                         // to the start of the document on vertical
1067                         // resize
1068                         fitCursor();
1069
1070                         // The main window size has changed, repaint most stuff
1071                         redraw();
1072                 } else if (screen_.get())
1073                     screen_->redraw(bv_->text, bv_);
1074         } else {
1075                 // Grey box when we don't have a buffer
1076                 workarea_.greyOut();
1077         }
1078
1079         // always make sure that the scrollbar is sane.
1080         updateScrollbar();
1081         owner_->updateLayoutChoice();
1082         return;
1083 }
1084
1085
1086 void BufferView::Pimpl::update()
1087 {
1088         if (screen_.get() &&
1089                 (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()))
1090         {
1091                 LyXText::text_status st = bv_->text->status();
1092                 screen_->update(bv_->text, bv_);
1093                 bool fitc = false;
1094                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
1095                         bv_->text->fullRebreak(bv_);
1096                         st = LyXText::NEED_MORE_REFRESH;
1097                         bv_->text->setCursor(bv_, bv_->text->cursor.par(),
1098                                              bv_->text->cursor.pos());
1099                         if (bv_->text->selection.set()) {
1100                                 bv_->text->setCursor(bv_, bv_->text->selection.start,
1101                                                      bv_->text->selection.start.par(),
1102                                                      bv_->text->selection.start.pos());
1103                                 bv_->text->setCursor(bv_, bv_->text->selection.end,
1104                                                      bv_->text->selection.end.par(),
1105                                                      bv_->text->selection.end.pos());
1106                         }
1107                         fitc = true;
1108                         bv_->text->status(bv_, st);
1109                         screen_->update(bv_->text, bv_);
1110                 }
1111                 // do this here instead of in the screen::update because of
1112                 // the above loop!
1113                 bv_->text->status(bv_, LyXText::UNCHANGED);
1114                 if (fitc)
1115                         fitCursor();
1116         }
1117 }
1118
1119 // Values used when calling update:
1120 // -3 - update
1121 // -2 - update, move sel_cursor if selection, fitcursor
1122 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
1123 //  0 - update, move sel_cursor if selection, fitcursor
1124 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
1125 //  3 - update, move sel_cursor if selection
1126 //
1127 // update -
1128 // a simple redraw of the parts that need refresh
1129 //
1130 // move sel_cursor if selection -
1131 // the text's sel_cursor is moved if there is selection is progress
1132 //
1133 // fitcursor -
1134 // fitCursor() is called and the scrollbar updated
1135 //
1136 // mark dirty -
1137 // the buffer is marked dirty.
1138 //
1139 // enum {
1140 //       UPDATE = 0,
1141 //       SELECT = 1,
1142 //       FITCUR = 2,
1143 //       CHANGE = 4
1144 // };
1145 //
1146 // UPDATE_ONLY = UPDATE;
1147 // UPDATE_SELECT = UPDATE | SELECT;
1148 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
1149 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
1150 //
1151 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
1152 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
1153 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1154 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
1155 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
1156
1157 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
1158 {
1159         owner_->updateLayoutChoice();
1160
1161         if (!text->selection.set() && (f & SELECT)) {
1162                 text->selection.cursor = text->cursor;
1163         }
1164
1165         text->fullRebreak(bv_);
1166
1167         if (text->inset_owner) {
1168                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
1169             updateInset(text->inset_owner, false);
1170         } else {
1171             update();
1172         }
1173
1174         if ((f & FITCUR)) {
1175                 fitCursor();
1176         }
1177
1178         if ((f & CHANGE)) {
1179                 buffer_->markDirty();
1180         }
1181 }
1182
1183
1184 // Callback for cursor timer
1185 void BufferView::Pimpl::cursorToggle()
1186 {
1187         if (!buffer_) {
1188                 cursor_timeout.restart();
1189                 return;
1190         }
1191
1192         if (!screen_.get()) {
1193                 cursor_timeout.restart();
1194                 return;
1195         }
1196
1197         /* FIXME */
1198         extern void reapSpellchecker(void);
1199         reapSpellchecker();
1200
1201         if (!bv_->theLockingInset()) {
1202                 screen_->cursorToggle(bv_);
1203         } else {
1204                 bv_->theLockingInset()->toggleInsetCursor(bv_);
1205         }
1206
1207         cursor_timeout.restart();
1208 }
1209
1210
1211 void BufferView::Pimpl::cursorPrevious(LyXText * text)
1212 {
1213         if (!text->cursor.row()->previous()) {
1214                 if (text->first_y > 0) {
1215                         int new_y = bv_->text->first_y - workarea_.height();
1216                         screen_->draw(bv_->text, bv_, new_y < 0 ? 0 : new_y);
1217                         updateScrollbar();
1218                 }
1219                 return;
1220         }
1221
1222         int y = text->first_y;
1223         Row * cursorrow = text->cursor.row();
1224
1225         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y);
1226         finishUndo();
1227
1228         int new_y;
1229         if (cursorrow == bv_->text->cursor.row()) {
1230                 // we have a row which is higher than the workarea so we leave the
1231                 // cursor on the start of the row and move only the draw up as soon
1232                 // as we move the cursor or do something while inside the row (it may
1233                 // span several workarea-heights) we'll move to the top again, but this
1234                 // is better than just jump down and only display part of the row.
1235                 new_y = bv_->text->first_y - workarea_.height();
1236         } else {
1237                 if (text->inset_owner) {
1238                         new_y = bv_->text->cursor.iy()
1239                                 + bv_->theLockingInset()->insetInInsetY() + y
1240                                 + text->cursor.row()->height()
1241                                 - workarea_.height() + 1;
1242                 } else {
1243                         new_y = text->cursor.y()
1244                                 - text->cursor.row()->baseline()
1245                                 + text->cursor.row()->height()
1246                                 - workarea_.height() + 1;
1247                 }
1248         }
1249         screen_->draw(bv_->text, bv_,  new_y < 0 ? 0 : new_y);
1250         if (text->cursor.row()->previous()) {
1251                 LyXCursor cur;
1252                 text->setCursor(bv_, cur, text->cursor.row()->previous()->par(),
1253                                                 text->cursor.row()->previous()->pos(), false);
1254                 if (cur.y() > text->first_y) {
1255                         text->cursorUp(bv_, true);
1256                 }
1257         }
1258         updateScrollbar();
1259 }
1260
1261
1262 void BufferView::Pimpl::cursorNext(LyXText * text)
1263 {
1264         if (!text->cursor.row()->next()) {
1265                 int y = text->cursor.y() - text->cursor.row()->baseline() +
1266                         text->cursor.row()->height();
1267                 if (y > int(text->first_y + workarea_.height())) {
1268                         screen_->draw(bv_->text, bv_,
1269                                                   bv_->text->first_y + workarea_.height());
1270                         updateScrollbar();
1271                 }
1272                 return;
1273         }
1274
1275         int y = text->first_y + workarea_.height();
1276         if (text->inset_owner && !text->first_y) {
1277                 y -= (bv_->text->cursor.iy()
1278                           - bv_->text->first_y
1279                           + bv_->theLockingInset()->insetInInsetY());
1280         }
1281         text->getRowNearY(y);
1282
1283         Row * cursorrow = text->cursor.row();
1284         text->setCursorFromCoordinates(bv_, text->cursor.x_fix(), y); // + workarea_->height());
1285         finishUndo();
1286         int new_y;
1287         if (cursorrow == bv_->text->cursor.row()) {
1288                 // we have a row which is higher than the workarea so we leave the
1289                 // cursor on the start of the row and move only the draw down as soon
1290                 // as we move the cursor or do something while inside the row (it may
1291                 // span several workarea-heights) we'll move to the top again, but this
1292                 // is better than just jump down and only display part of the row.
1293                 new_y = bv_->text->first_y + workarea_.height();
1294         } else {
1295                 if (text->inset_owner) {
1296                         new_y = bv_->text->cursor.iy()
1297                                 + bv_->theLockingInset()->insetInInsetY()
1298                                 + y - text->cursor.row()->baseline();
1299                 } else {
1300                         new_y =  text->cursor.y() - text->cursor.row()->baseline();
1301                 }
1302         }
1303         screen_->draw(bv_->text, bv_, new_y);
1304         if (text->cursor.row()->next()) {
1305                 LyXCursor cur;
1306                 text->setCursor(bv_, cur, text->cursor.row()->next()->par(),
1307                                                 text->cursor.row()->next()->pos(), false);
1308                 if (cur.y() < int(text->first_y + workarea_.height())) {
1309                         text->cursorDown(bv_, true);
1310                 }
1311         }
1312         updateScrollbar();
1313 }
1314
1315
1316 bool BufferView::Pimpl::available() const
1317 {
1318         if (buffer_ && bv_->text)
1319                 return true;
1320         return false;
1321 }
1322
1323
1324 void BufferView::Pimpl::beforeChange(LyXText * text)
1325 {
1326         toggleSelection();
1327         text->clearSelection();
1328 }
1329
1330
1331 void BufferView::Pimpl::savePosition(unsigned int i)
1332 {
1333         if (i >= saved_positions_num)
1334                 return;
1335         saved_positions[i] = Position(buffer_->fileName(),
1336                                       bv_->text->cursor.par()->id(),
1337                                       bv_->text->cursor.pos());
1338         if (i > 0) {
1339                 ostringstream str;
1340                 str << _("Saved bookmark") << ' ' << i;
1341                 owner_->message(str.str().c_str());
1342         }
1343 }
1344
1345
1346 void BufferView::Pimpl::restorePosition(unsigned int i)
1347 {
1348         if (i >= saved_positions_num)
1349                 return;
1350
1351         string const fname = saved_positions[i].filename;
1352
1353         beforeChange(bv_->text);
1354
1355         if (fname != buffer_->fileName()) {
1356                 Buffer * b = bufferlist.exists(fname) ?
1357                         bufferlist.getBuffer(fname) :
1358                         bufferlist.loadLyXFile(fname); // don't ask, just load it
1359                 if (b != 0) buffer(b);
1360         }
1361
1362         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
1363         if (!par)
1364                 return;
1365
1366         bv_->text->setCursor(bv_, par,
1367                              min(par->size(), saved_positions[i].par_pos));
1368
1369         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1370         if (i > 0) {
1371                 ostringstream str;
1372                 str << _("Moved to bookmark") << ' ' << i;
1373                 owner_->message(str.str().c_str());
1374         }
1375 }
1376
1377
1378 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
1379 {
1380         if (i >= saved_positions_num)
1381                 return false;
1382
1383         return !saved_positions[i].filename.empty();
1384 }
1385
1386
1387 void BufferView::Pimpl::setState()
1388 {
1389         if (!lyxrc.rtl_support)
1390                 return;
1391
1392         LyXText * text = bv_->getLyXText();
1393         if (text->real_current_font.isRightToLeft()
1394             && !(bv_->theLockingInset()
1395                  && bv_->theLockingInset()->lyxCode()== Inset::ERT_CODE))
1396         {
1397                 if (owner_->getIntl()->keymap == Intl::PRIMARY)
1398                         owner_->getIntl()->KeyMapSec();
1399         } else {
1400                 if (owner_->getIntl()->keymap == Intl::SECONDARY)
1401                         owner_->getIntl()->KeyMapPrim();
1402         }
1403 }
1404
1405
1406 #if 0
1407 void BufferView::Pimpl::insetSleep()
1408 {
1409         if (bv_->theLockingInset() && !inset_slept) {
1410                 bv_->theLockingInset()->getCursorPos(bv_, bv_->slx, bv_->sly);
1411                 bv_->theLockingInset()->insetUnlock(bv_);
1412                 inset_slept = true;
1413         }
1414 }
1415
1416
1417 void BufferView::Pimpl::insetWakeup()
1418 {
1419         if (bv_->theLockingInset() && inset_slept) {
1420                 bv_->theLockingInset()->edit(bv_, bv_->slx, bv_->sly, 0);
1421                 inset_slept = false;
1422         }
1423 }
1424 #endif
1425
1426
1427 void BufferView::Pimpl::insetUnlock()
1428 {
1429         if (bv_->theLockingInset()) {
1430                 if (!inset_slept)
1431                         bv_->theLockingInset()->insetUnlock(bv_);
1432                 bv_->theLockingInset(0);
1433                 finishUndo();
1434                 inset_slept = false;
1435         }
1436 }
1437
1438
1439 bool BufferView::Pimpl::focus() const
1440 {
1441         return workarea_.hasFocus();
1442 }
1443
1444
1445 void BufferView::Pimpl::focus(bool f)
1446 {
1447         if (f) workarea_.setFocus();
1448 }
1449
1450
1451 bool BufferView::Pimpl::active() const
1452 {
1453         return workarea_.active();
1454 }
1455
1456
1457 bool BufferView::Pimpl::belowMouse() const
1458 {
1459         return workarea_.belowMouse();
1460 }
1461
1462
1463 void BufferView::Pimpl::showCursor()
1464 {
1465         if (screen_.get()) {
1466                 if (bv_->theLockingInset())
1467                         bv_->theLockingInset()->showInsetCursor(bv_);
1468                 else
1469                         screen_->showCursor(bv_->text, bv_);
1470         }
1471 }
1472
1473
1474 void BufferView::Pimpl::hideCursor()
1475 {
1476         if (screen_.get()) {
1477                 if (!bv_->theLockingInset())
1478 //                      bv_->theLockingInset()->hideInsetCursor(bv_);
1479 //              else
1480                         screen_->hideCursor();
1481         }
1482 }
1483
1484
1485 void BufferView::Pimpl::toggleSelection(bool b)
1486 {
1487         if (screen_.get()) {
1488                 if (bv_->theLockingInset())
1489                         bv_->theLockingInset()->toggleSelection(bv_, b);
1490                 screen_->toggleSelection(bv_->text, bv_, b);
1491         }
1492 }
1493
1494
1495 void BufferView::Pimpl::toggleToggle()
1496 {
1497         if (screen_.get())
1498                 screen_->toggleToggle(bv_->text, bv_);
1499 }
1500
1501
1502 void BufferView::Pimpl::center()
1503 {
1504         beforeChange(bv_->text);
1505         if (bv_->text->cursor.y() > static_cast<int>((workarea_.height() / 2))) {
1506                 screen_->draw(bv_->text, bv_, bv_->text->cursor.y() - workarea_.height() / 2);
1507         } else {
1508                 screen_->draw(bv_->text, bv_, 0);
1509         }
1510         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1511         redraw();
1512 }
1513
1514
1515 void BufferView::Pimpl::pasteClipboard(bool asPara)
1516 {
1517         if (!buffer_)
1518                 return;
1519
1520         screen_->hideCursor();
1521         beforeChange(bv_->text);
1522
1523         string const clip(workarea_.getClipboard());
1524
1525         if (clip.empty())
1526                 return;
1527
1528         if (asPara) {
1529                 bv_->getLyXText()->insertStringAsParagraphs(bv_, clip);
1530         } else {
1531                 bv_->getLyXText()->insertStringAsLines(bv_, clip);
1532         }
1533         bv_->getLyXText()->clearSelection();
1534         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1535 }
1536
1537
1538 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
1539 {
1540         workarea_.putClipboard(stuff);
1541 }
1542
1543
1544 /*
1545  * Dispatch functions for actions which can be valid for BufferView->text
1546  * and/or InsetText->text!!!
1547  */
1548
1549
1550 inline
1551 void BufferView::Pimpl::moveCursorUpdate(bool selecting, bool fitcur)
1552 {
1553         LyXText * lt = bv_->getLyXText();
1554
1555         if (selecting || lt->selection.mark()) {
1556                 lt->setSelection(bv_);
1557                 if (lt->bv_owner)
1558                         toggleToggle();
1559                 else
1560                         updateInset(lt->inset_owner, false);
1561         }
1562         if (lt->bv_owner) {
1563                 if (fitcur)
1564                         update(lt, BufferView::SELECT|BufferView::FITCUR);
1565                 else
1566                         update(lt, BufferView::SELECT);
1567                 showCursor();
1568         } else if (bv_->text->status() != LyXText::UNCHANGED) {
1569                 bv_->theLockingInset()->hideInsetCursor(bv_);
1570                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1571                 showCursor();
1572         }
1573
1574         if (!lt->selection.set())
1575                 workarea_.haveSelection(false);
1576
1577         /* ---> Everytime the cursor is moved, show the current font state. */
1578         // should this too me moved out of this func?
1579         //owner->showState();
1580         setState();
1581 }
1582
1583
1584 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
1585 {
1586         LyXCursor cursor = bv_->getLyXText()->cursor;
1587         Buffer::inset_iterator it =
1588                 find_if(Buffer::inset_iterator(
1589                         cursor.par(), cursor.pos()),
1590                         buffer_->inset_iterator_end(),
1591                         lyx::compare_memfun(&Inset::lyxCode, code));
1592         return it != buffer_->inset_iterator_end() ? (*it) : 0;
1593 }
1594
1595
1596 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
1597 {
1598         string filename = filen;
1599
1600         if (filename.empty()) {
1601                 // Launch a file browser
1602                 string initpath = lyxrc.document_path;
1603
1604                 if (available()) {
1605                         string const trypath = owner_->buffer()->filePath();
1606                         // If directory is writeable, use this as default.
1607                         if (IsDirWriteable(trypath))
1608                                 initpath = trypath;
1609                 }
1610
1611                 FileDialog fileDlg(bv_->owner(),
1612                                    _("Select LyX document to insert"),
1613                         LFUN_FILE_INSERT,
1614                         make_pair(string(_("Documents|#o#O")),
1615                                   string(lyxrc.document_path)),
1616                         make_pair(string(_("Examples|#E#e")),
1617                                   string(AddPath(system_lyxdir, "examples"))));
1618
1619                 FileDialog::Result result =
1620                         fileDlg.Select(initpath,
1621                                        _("*.lyx| LyX Documents (*.lyx)"));
1622
1623                 if (result.first == FileDialog::Later)
1624                         return;
1625
1626                 filename = result.second;
1627
1628                 // check selected filename
1629                 if (filename.empty()) {
1630                         owner_->message(_("Canceled."));
1631                         return;
1632                 }
1633         }
1634
1635         // get absolute path of file and add ".lyx" to the filename if
1636         // necessary
1637         filename = FileSearch(string(), filename, "lyx");
1638
1639         string const disp_fn(MakeDisplayPath(filename));
1640
1641         ostringstream s1;
1642         s1 << _("Inserting document") << ' '
1643            << disp_fn << " ...";
1644         owner_->message(s1.str().c_str());
1645         bool const res = bv_->insertLyXFile(filename);
1646         if (res) {
1647                 ostringstream str;
1648                 str << _("Document") << ' ' << disp_fn
1649                     << ' ' << _("inserted.");
1650                 owner_->message(str.str().c_str());
1651         } else {
1652                 ostringstream str;
1653                 str << _("Could not insert document") << ' '
1654                     << disp_fn;
1655                 owner_->message(str.str().c_str());
1656         }
1657 }
1658
1659
1660 bool BufferView::Pimpl::Dispatch(kb_action action, string const & argument)
1661 {
1662         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch: action["
1663                               << action <<"] arg[" << argument << "]" << endl;
1664
1665         LyXTextClass const & tclass = textclasslist[buffer_->params.textclass];
1666
1667         switch (action) {
1668                 // --- Misc -------------------------------------------
1669         case LFUN_APPENDIX:
1670         {
1671                 if (available()) {
1672                         LyXText * lt = bv_->getLyXText();
1673                         lt->toggleAppendix(bv_);
1674                         update(lt,
1675                                BufferView::SELECT
1676                                | BufferView::FITCUR
1677                                | BufferView::CHANGE);
1678                 }
1679         }
1680         break;
1681
1682         case LFUN_TOC_INSERT:
1683         {
1684                 InsetCommandParams p;
1685                 p.setCmdName("tableofcontents");
1686                 Inset * inset = new InsetTOC(p);
1687                 if (!insertInset(inset, tclass.defaultLayoutName()))
1688                         delete inset;
1689                 break;
1690         }
1691
1692         case LFUN_SCROLL_INSET:
1693                 // this is not handled here as this funktion is only aktive
1694                 // if we have a locking_inset and that one is (or contains)
1695                 // a tabular-inset
1696                 break;
1697
1698         case LFUN_INSET_GRAPHICS:
1699         {
1700                 Inset * new_inset = new InsetGraphics;
1701                 if (!insertInset(new_inset)) {
1702                         delete new_inset;
1703                 } else {
1704                         // this is need because you don't use a inset->Edit()
1705                         updateInset(new_inset, true);
1706                         new_inset->edit(bv_);
1707                 }
1708                 break;
1709         }
1710
1711         case LFUN_PASTE:
1712                 bv_->paste();
1713                 setState();
1714                 break;
1715
1716         case LFUN_PASTESELECTION:
1717         {
1718                 bool asPara = false;
1719                 if (argument == "paragraph")
1720                         asPara = true;
1721                 pasteClipboard(asPara);
1722         }
1723         break;
1724
1725         case LFUN_CUT:
1726                 bv_->cut();
1727                 break;
1728
1729         case LFUN_COPY:
1730                 bv_->copy();
1731                 break;
1732
1733         case LFUN_LAYOUT_COPY:
1734                 bv_->copyEnvironment();
1735                 break;
1736
1737         case LFUN_LAYOUT_PASTE:
1738                 bv_->pasteEnvironment();
1739                 setState();
1740                 break;
1741
1742         case LFUN_GOTOERROR:
1743                 gotoInset(Inset::ERROR_CODE, false);
1744                 break;
1745
1746         case LFUN_GOTONOTE:
1747                 gotoInset(Inset::IGNORE_CODE, false);
1748                 break;
1749
1750         case LFUN_REFERENCE_GOTO:
1751         {
1752                 vector<Inset::Code> tmp;
1753                 tmp.push_back(Inset::LABEL_CODE);
1754                 tmp.push_back(Inset::REF_CODE);
1755                 gotoInset(tmp, true);
1756                 break;
1757         }
1758
1759         case LFUN_HYPHENATION:
1760                 specialChar(InsetSpecialChar::HYPHENATION);
1761                 break;
1762
1763         case LFUN_LIGATURE_BREAK:
1764                 specialChar(InsetSpecialChar::LIGATURE_BREAK);
1765                 break;
1766
1767         case LFUN_LDOTS:
1768                 specialChar(InsetSpecialChar::LDOTS);
1769                 break;
1770
1771         case LFUN_END_OF_SENTENCE:
1772                 specialChar(InsetSpecialChar::END_OF_SENTENCE);
1773                 break;
1774
1775         case LFUN_MENU_SEPARATOR:
1776                 specialChar(InsetSpecialChar::MENU_SEPARATOR);
1777                 break;
1778
1779         case LFUN_HFILL:
1780                 hfill();
1781                 break;
1782
1783         case LFUN_DEPTH_MIN:
1784                 changeDepth(bv_, bv_->getLyXText(), -1);
1785                 break;
1786
1787         case LFUN_DEPTH_PLUS:
1788                 changeDepth(bv_, bv_->getLyXText(), 1);
1789                 break;
1790
1791         case LFUN_FREE:
1792                 owner_->getDialogs()->setUserFreeFont();
1793                 break;
1794
1795         case LFUN_FILE_INSERT:
1796                 MenuInsertLyXFile(argument);
1797                 break;
1798
1799         case LFUN_FILE_INSERT_ASCII_PARA:
1800                 InsertAsciiFile(bv_, argument, true);
1801                 break;
1802
1803         case LFUN_FILE_INSERT_ASCII:
1804                 InsertAsciiFile(bv_, argument, false);
1805                 break;
1806
1807         case LFUN_LAYOUT:
1808         {
1809                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
1810                                     << argument << endl;
1811
1812                 // This is not the good solution to the empty argument
1813                 // problem, but it will hopefully suffice for 1.2.0.
1814                 // The correct solution would be to augument the
1815                 // function list/array with information about what
1816                 // functions needs arguments and their type.
1817                 if (argument.empty()) {
1818                         owner_->getLyXFunc()->setErrorMessage(
1819                                 _("LyX function 'layout' needs an argument."));
1820                         break;
1821                 }
1822
1823                 // Derive layout number from given argument (string)
1824                 // and current buffer's textclass (number). */
1825                 bool hasLayout = tclass.hasLayout(argument);
1826                 string layout = argument;
1827
1828                 // If the entry is obsolete, use the new one instead.
1829                 if (hasLayout) {
1830                         string const & obs = tclass[layout].obsoleted_by();
1831                         if (!obs.empty())
1832                                 layout = obs;
1833                 }
1834
1835                 if (!hasLayout) {
1836                         owner_->getLyXFunc()->setErrorMessage(
1837                                 string(N_("Layout ")) + argument +
1838                                 N_(" not known"));
1839                         break;
1840                 }
1841
1842                 bool change_layout = (current_layout != layout);
1843                 LyXText * lt = bv_->getLyXText();
1844                 if (!change_layout && lt->selection.set() &&
1845                         lt->selection.start.par() != lt->selection.end.par())
1846                 {
1847                         Paragraph * spar = lt->selection.start.par();
1848                         Paragraph * epar = lt->selection.end.par()->next();
1849                         while(spar != epar) {
1850                                 if (spar->layout() != current_layout) {
1851                                         change_layout = true;
1852                                         break;
1853                                 }
1854                         }
1855                 }
1856                 if (change_layout) {
1857                         hideCursor();
1858                         current_layout = layout;
1859                         update(lt,
1860                                BufferView::SELECT
1861                                | BufferView::FITCUR);
1862                         lt->setLayout(bv_, layout);
1863                         owner_->setLayout(layout);
1864                         update(lt,
1865                                BufferView::SELECT
1866                                | BufferView::FITCUR
1867                                | BufferView::CHANGE);
1868                         setState();
1869                 }
1870         }
1871         break;
1872
1873         case LFUN_LANGUAGE:
1874                 lang(bv_, argument);
1875                 setState();
1876                 owner_->showState();
1877                 break;
1878
1879         case LFUN_EMPH:
1880                 emph(bv_);
1881                 owner_->showState();
1882                 break;
1883
1884         case LFUN_BOLD:
1885                 bold(bv_);
1886                 owner_->showState();
1887                 break;
1888
1889         case LFUN_NOUN:
1890                 noun(bv_);
1891                 owner_->showState();
1892                 break;
1893
1894         case LFUN_CODE:
1895                 code(bv_);
1896                 owner_->showState();
1897                 break;
1898
1899         case LFUN_SANS:
1900                 sans(bv_);
1901                 owner_->showState();
1902                 break;
1903
1904         case LFUN_ROMAN:
1905                 roman(bv_);
1906                 owner_->showState();
1907                 break;
1908
1909         case LFUN_DEFAULT:
1910                 styleReset(bv_);
1911                 owner_->showState();
1912                 break;
1913
1914         case LFUN_UNDERLINE:
1915                 underline(bv_);
1916                 owner_->showState();
1917                 break;
1918
1919         case LFUN_FONT_SIZE:
1920                 fontSize(bv_, argument);
1921                 owner_->showState();
1922                 break;
1923
1924         case LFUN_FONT_STATE:
1925                 owner_->getLyXFunc()->setMessage(currentState(bv_));
1926                 break;
1927
1928         case LFUN_UPCASE_WORD:
1929         {
1930                 LyXText * lt = bv_->getLyXText();
1931
1932                 update(lt,
1933                        BufferView::SELECT
1934                        | BufferView::FITCUR);
1935                 lt->changeCase(bv_, LyXText::text_uppercase);
1936                 if (lt->inset_owner)
1937                         updateInset(lt->inset_owner, true);
1938                 update(lt,
1939                        BufferView::SELECT
1940                        | BufferView::FITCUR
1941                        | BufferView::CHANGE);
1942         }
1943         break;
1944
1945         case LFUN_LOWCASE_WORD:
1946         {
1947                 LyXText * lt = bv_->getLyXText();
1948
1949                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1950                 lt->changeCase(bv_, LyXText::text_lowercase);
1951                 if (lt->inset_owner)
1952                         updateInset(lt->inset_owner, true);
1953                 update(lt,
1954                        BufferView::SELECT
1955                        | BufferView::FITCUR
1956                        | BufferView::CHANGE);
1957         }
1958         break;
1959
1960         case LFUN_CAPITALIZE_WORD:
1961         {
1962                 LyXText * lt = bv_->getLyXText();
1963
1964                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1965                 lt->changeCase(bv_, LyXText::text_capitalization);
1966                 if (lt->inset_owner)
1967                         updateInset(lt->inset_owner, true);
1968                 update(lt,
1969                        BufferView::SELECT
1970                        | BufferView::FITCUR
1971                        | BufferView::CHANGE);
1972         }
1973         break;
1974
1975         case LFUN_TRANSPOSE_CHARS:
1976         {
1977                 LyXText * lt = bv_->getLyXText();
1978
1979                 update(lt, BufferView::SELECT|BufferView::FITCUR);
1980                 lt->transposeChars(*bv_);
1981                 if (lt->inset_owner)
1982                         updateInset(lt->inset_owner, true);
1983                 update(lt,
1984                        BufferView::SELECT
1985                        | BufferView::FITCUR
1986                        | BufferView::CHANGE);
1987         }
1988         break;
1989
1990
1991         case LFUN_INSERT_LABEL:
1992                 MenuInsertLabel(bv_, argument);
1993                 break;
1994
1995         case LFUN_REF_INSERT:
1996                 if (argument.empty()) {
1997                         InsetCommandParams p("ref");
1998                         owner_->getDialogs()->createRef(p.getAsString());
1999                 } else {
2000                         InsetCommandParams p;
2001                         p.setFromString(argument);
2002
2003                         InsetRef * inset = new InsetRef(p, *buffer_);
2004                         if (!insertInset(inset))
2005                                 delete inset;
2006                         else
2007                                 updateInset(inset, true);
2008                 }
2009                 break;
2010
2011         case LFUN_BOOKMARK_SAVE:
2012                 savePosition(strToUnsignedInt(argument));
2013                 break;
2014
2015         case LFUN_BOOKMARK_GOTO:
2016                 restorePosition(strToUnsignedInt(argument));
2017                 break;
2018
2019         case LFUN_REF_GOTO:
2020         {
2021                 string label(argument);
2022                 if (label.empty()) {
2023                         InsetRef * inset =
2024                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
2025                         if (inset) {
2026                                 label = inset->getContents();
2027                                 savePosition(0);
2028                         }
2029                 }
2030
2031                 if (!label.empty()) {
2032                         //bv_->savePosition(0);
2033                         if (!bv_->gotoLabel(label))
2034                                 Alert::alert(_("Error"),
2035                                            _("Couldn't find this label"),
2036                                            _("in current document."));
2037                 }
2038         }
2039         break;
2040
2041                 // --- Cursor Movements -----------------------------
2042         case LFUN_RIGHT:
2043         {
2044                 LyXText * lt = bv_->getLyXText();
2045
2046                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
2047                 if (!lt->selection.mark())
2048                         beforeChange(lt);
2049                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2050                 if (is_rtl)
2051                         lt->cursorLeft(bv_, false);
2052                 if (lt->cursor.pos() < lt->cursor.par()->size()
2053                     && lt->cursor.par()->isInset(lt->cursor.pos())
2054                     && isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
2055                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
2056                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
2057                         if (is_rtl)
2058                                 tmpinset->edit(bv_, false);
2059                         else
2060                                 tmpinset->edit(bv_);
2061                         break;
2062                 }
2063                 if (!is_rtl)
2064                         lt->cursorRight(bv_, false);
2065                 finishUndo();
2066                 moveCursorUpdate(false);
2067                 owner_->showState();
2068         }
2069         break;
2070
2071         case LFUN_LEFT:
2072         {
2073                 // This is soooo ugly. Isn`t it possible to make
2074                 // it simpler? (Lgb)
2075                 LyXText * lt = bv_->getLyXText();
2076                 bool is_rtl = lt->cursor.par()->isRightToLeftPar(buffer_->params);
2077                 if (!lt->selection.mark())
2078                         beforeChange(lt);
2079                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2080                 LyXCursor const cur = lt->cursor;
2081                 if (!is_rtl)
2082                         lt->cursorLeft(bv_, false);
2083                 if ((is_rtl || cur != lt->cursor) && // only if really moved!
2084                     lt->cursor.pos() < lt->cursor.par()->size() &&
2085                     lt->cursor.par()->isInset(lt->cursor.pos()) &&
2086                     isHighlyEditableInset(lt->cursor.par()->getInset(lt->cursor.pos()))) {
2087                         Inset * tmpinset = lt->cursor.par()->getInset(lt->cursor.pos());
2088                         owner_->getLyXFunc()->setMessage(tmpinset->editMessage());
2089                         if (is_rtl)
2090                                 tmpinset->edit(bv_);
2091                         else
2092                                 tmpinset->edit(bv_, false);
2093                         break;
2094                 }
2095                 if  (is_rtl)
2096                         lt->cursorRight(bv_, false);
2097
2098                 finishUndo();
2099                 moveCursorUpdate(false);
2100                 owner_->showState();
2101         }
2102         break;
2103
2104         case LFUN_UP:
2105         {
2106                 LyXText * lt = bv_->getLyXText();
2107
2108                 if (!lt->selection.mark())
2109                         beforeChange(lt);
2110                 update(lt, BufferView::UPDATE);
2111                 lt->cursorUp(bv_);
2112                 finishUndo();
2113                 moveCursorUpdate(false);
2114                 owner_->showState();
2115         }
2116         break;
2117
2118         case LFUN_DOWN:
2119         {
2120                 LyXText * lt = bv_->getLyXText();
2121
2122                 if (!lt->selection.mark())
2123                         beforeChange(lt);
2124                 update(lt, BufferView::UPDATE);
2125                 lt->cursorDown(bv_);
2126                 finishUndo();
2127                 moveCursorUpdate(false);
2128                 owner_->showState();
2129         }
2130         break;
2131
2132         case LFUN_UP_PARAGRAPH:
2133         {
2134                 LyXText * lt = bv_->getLyXText();
2135
2136                 if (!lt->selection.mark())
2137                         beforeChange(lt);
2138                 update(lt, BufferView::UPDATE);
2139                 lt->cursorUpParagraph(bv_);
2140                 finishUndo();
2141                 moveCursorUpdate(false);
2142                 owner_->showState();
2143         }
2144         break;
2145
2146         case LFUN_DOWN_PARAGRAPH:
2147         {
2148                 LyXText * lt = bv_->getLyXText();
2149
2150                 if (!lt->selection.mark())
2151                         beforeChange(lt);
2152                 update(lt, BufferView::UPDATE);
2153                 lt->cursorDownParagraph(bv_);
2154                 finishUndo();
2155                 moveCursorUpdate(false);
2156                 owner_->showState();
2157         }
2158         break;
2159
2160         case LFUN_PRIOR:
2161         {
2162                 LyXText * lt = bv_->getLyXText();
2163
2164                 if (!lt->selection.mark())
2165                         beforeChange(lt);
2166                 update(lt, BufferView::UPDATE);
2167                 cursorPrevious(lt);
2168                 finishUndo();
2169                 moveCursorUpdate(false, false);
2170                 owner_->showState();
2171         }
2172         break;
2173
2174         case LFUN_NEXT:
2175         {
2176                 LyXText * lt = bv_->getLyXText();
2177
2178                 if (!lt->selection.mark())
2179                         beforeChange(lt);
2180                 update(lt, BufferView::UPDATE);
2181                 cursorNext(lt);
2182                 finishUndo();
2183                 moveCursorUpdate(false, false);
2184                 owner_->showState();
2185         }
2186         break;
2187
2188         case LFUN_HOME:
2189         {
2190                 LyXText * lt = bv_->getLyXText();
2191
2192                 if (!lt->selection.mark())
2193                         beforeChange(lt);
2194                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2195                 lt->cursorHome(bv_);
2196                 finishUndo();
2197                 moveCursorUpdate(false);
2198                 owner_->showState();
2199         }
2200         break;
2201
2202         case LFUN_END:
2203         {
2204                 LyXText * lt = bv_->getLyXText();
2205
2206                 if (!lt->selection.mark())
2207                         beforeChange(lt);
2208                 update(lt,
2209                        BufferView::SELECT|BufferView::FITCUR);
2210                 lt->cursorEnd(bv_);
2211                 finishUndo();
2212                 moveCursorUpdate(false);
2213                 owner_->showState();
2214         }
2215         break;
2216
2217         case LFUN_SHIFT_TAB:
2218         case LFUN_TAB:
2219         {
2220                 LyXText * lt = bv_->getLyXText();
2221
2222                 if (!lt->selection.mark())
2223                         beforeChange(lt);
2224                 update(lt,
2225                        BufferView::SELECT|BufferView::FITCUR);
2226                 lt->cursorTab(bv_);
2227                 finishUndo();
2228                 moveCursorUpdate(false);
2229                 owner_->showState();
2230         }
2231         break;
2232
2233         case LFUN_WORDRIGHT:
2234         {
2235                 LyXText * lt = bv_->getLyXText();
2236
2237                 if (!lt->selection.mark())
2238                         beforeChange(lt);
2239                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2240                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2241                         lt->cursorLeftOneWord(bv_);
2242                 else
2243                         lt->cursorRightOneWord(bv_);
2244                 finishUndo();
2245                 moveCursorUpdate(false);
2246                 owner_->showState();
2247         }
2248         break;
2249
2250         case LFUN_WORDLEFT:
2251         {
2252                 LyXText * lt = bv_->getLyXText();
2253
2254                 if (!lt->selection.mark())
2255                         beforeChange(lt);
2256                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2257                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2258                         lt->cursorRightOneWord(bv_);
2259                 else
2260                         lt->cursorLeftOneWord(bv_);
2261                 finishUndo();
2262                 moveCursorUpdate(false);
2263                 owner_->showState();
2264         }
2265         break;
2266
2267         case LFUN_BEGINNINGBUF:
2268         {
2269                 LyXText * lt = bv_->getLyXText();
2270
2271                 if (!lt->selection.mark())
2272                         beforeChange(lt);
2273                 update(lt,
2274                        BufferView::SELECT|BufferView::FITCUR);
2275                 lt->cursorTop(bv_);
2276                 finishUndo();
2277                 moveCursorUpdate(false);
2278                 owner_->showState();
2279         }
2280         break;
2281
2282         case LFUN_ENDBUF:
2283         {
2284                 LyXText * lt = bv_->getLyXText();
2285
2286                 if (!lt->selection.mark())
2287                         beforeChange(lt);
2288                 update(lt,
2289                        BufferView::SELECT|BufferView::FITCUR);
2290                 lt->cursorBottom(bv_);
2291                 finishUndo();
2292                 moveCursorUpdate(false);
2293                 owner_->showState();
2294         }
2295         break;
2296
2297                 /* cursor selection ---------------------------- */
2298         case LFUN_RIGHTSEL:
2299         {
2300                 LyXText * lt = bv_->getLyXText();
2301
2302                 update(lt,
2303                        BufferView::SELECT|BufferView::FITCUR);
2304                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2305                         lt->cursorLeft(bv_);
2306                 else
2307                         lt->cursorRight(bv_);
2308                 finishUndo();
2309                 moveCursorUpdate(true);
2310                 owner_->showState();
2311         }
2312         break;
2313
2314         case LFUN_LEFTSEL:
2315         {
2316                 LyXText * lt = bv_->getLyXText();
2317
2318                 update(lt,
2319                        BufferView::SELECT|BufferView::FITCUR);
2320                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2321                         lt->cursorRight(bv_);
2322                 else
2323                         lt->cursorLeft(bv_);
2324                 finishUndo();
2325                 moveCursorUpdate(true);
2326                 owner_->showState();
2327         }
2328         break;
2329
2330         case LFUN_UPSEL:
2331         {
2332                 LyXText * lt = bv_->getLyXText();
2333
2334                 update(lt,
2335                        BufferView::SELECT|BufferView::FITCUR);
2336                 lt->cursorUp(bv_, true);
2337                 finishUndo();
2338                 moveCursorUpdate(true);
2339                 owner_->showState();
2340         }
2341         break;
2342
2343         case LFUN_DOWNSEL:
2344         {
2345                 LyXText * lt = bv_->getLyXText();
2346
2347                 update(lt,
2348                        BufferView::SELECT|BufferView::FITCUR);
2349                 lt->cursorDown(bv_, true);
2350                 finishUndo();
2351                 moveCursorUpdate(true);
2352                 owner_->showState();
2353         }
2354         break;
2355
2356         case LFUN_UP_PARAGRAPHSEL:
2357         {
2358                 LyXText * lt = bv_->getLyXText();
2359
2360                 update(lt,
2361                        BufferView::SELECT|BufferView::FITCUR);
2362                 lt->cursorUpParagraph(bv_);
2363                 finishUndo();
2364                 moveCursorUpdate(true);
2365                 owner_->showState();
2366         }
2367         break;
2368
2369         case LFUN_DOWN_PARAGRAPHSEL:
2370         {
2371                 LyXText * lt = bv_->getLyXText();
2372
2373                 update(lt,
2374                        BufferView::SELECT|BufferView::FITCUR);
2375                 lt->cursorDownParagraph(bv_);
2376                 finishUndo();
2377                 moveCursorUpdate(true);
2378                 owner_->showState();
2379         }
2380         break;
2381
2382         case LFUN_PRIORSEL:
2383         {
2384                 LyXText * lt = bv_->getLyXText();
2385
2386                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2387                 cursorPrevious(lt);
2388                 finishUndo();
2389                 moveCursorUpdate(true);
2390                 owner_->showState();
2391         }
2392         break;
2393
2394         case LFUN_NEXTSEL:
2395         {
2396                 LyXText * lt = bv_->getLyXText();
2397
2398                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2399                 cursorNext(lt);
2400                 finishUndo();
2401                 moveCursorUpdate(true);
2402                 owner_->showState();
2403         }
2404         break;
2405
2406         case LFUN_HOMESEL:
2407         {
2408                 LyXText * lt = bv_->getLyXText();
2409
2410                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2411                 lt->cursorHome(bv_);
2412                 finishUndo();
2413                 moveCursorUpdate(true);
2414                 owner_->showState();
2415         }
2416         break;
2417
2418         case LFUN_ENDSEL:
2419         {
2420                 LyXText * lt = bv_->getLyXText();
2421
2422                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2423                 lt->cursorEnd(bv_);
2424                 finishUndo();
2425                 moveCursorUpdate(true);
2426                 owner_->showState();
2427         }
2428         break;
2429
2430         case LFUN_WORDRIGHTSEL:
2431         {
2432                 LyXText * lt = bv_->getLyXText();
2433
2434                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2435                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2436                         lt->cursorLeftOneWord(bv_);
2437                 else
2438                         lt->cursorRightOneWord(bv_);
2439                 finishUndo();
2440                 moveCursorUpdate(true);
2441                 owner_->showState();
2442         }
2443         break;
2444
2445         case LFUN_WORDLEFTSEL:
2446         {
2447                 LyXText * lt = bv_->getLyXText();
2448
2449                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2450                 if (lt->cursor.par()->isRightToLeftPar(buffer_->params))
2451                         lt->cursorRightOneWord(bv_);
2452                 else
2453                         lt->cursorLeftOneWord(bv_);
2454                 finishUndo();
2455                 moveCursorUpdate(true);
2456                 owner_->showState();
2457         }
2458         break;
2459
2460         case LFUN_BEGINNINGBUFSEL:
2461         {
2462                 LyXText * lt = bv_->getLyXText();
2463
2464                 if (lt->inset_owner)
2465                         break;
2466                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2467                 lt->cursorTop(bv_);
2468                 finishUndo();
2469                 moveCursorUpdate(true);
2470                 owner_->showState();
2471         }
2472         break;
2473
2474         case LFUN_ENDBUFSEL:
2475         {
2476                 LyXText * lt = bv_->getLyXText();
2477
2478                 if (lt->inset_owner)
2479                         break;
2480                 update(lt,
2481                        BufferView::SELECT|BufferView::FITCUR);
2482                 lt->cursorBottom(bv_);
2483                 finishUndo();
2484                 moveCursorUpdate(true);
2485                 owner_->showState();
2486         }
2487         break;
2488
2489                 // --- text changing commands ------------------------
2490         case LFUN_BREAKLINE:
2491         {
2492                 LyXText * lt = bv_->getLyXText();
2493
2494                 beforeChange(lt);
2495                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
2496                 update(lt,
2497                        BufferView::SELECT
2498                        | BufferView::FITCUR
2499                        | BufferView::CHANGE);
2500                 lt->setCursor(bv_, lt->cursor.par(), lt->cursor.pos());
2501                 moveCursorUpdate(false);
2502         }
2503         break;
2504
2505         case LFUN_PROTECTEDSPACE:
2506         {
2507                 LyXText * lt = bv_->getLyXText();
2508
2509                 LyXLayout const & style = tclass[lt->cursor.par()->layout()];
2510
2511                 if (style.free_spacing) {
2512                         lt->insertChar(bv_, ' ');
2513                         update(lt,
2514                                BufferView::SELECT
2515                                | BufferView::FITCUR
2516                                | BufferView::CHANGE);
2517                 } else {
2518                         specialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
2519                 }
2520                 moveCursorUpdate(false);
2521         }
2522         break;
2523
2524         case LFUN_SETMARK:
2525         {
2526                 LyXText * lt = bv_->getLyXText();
2527
2528                 if (lt->selection.mark()) {
2529                         beforeChange(lt);
2530                         update(lt,
2531                                BufferView::SELECT
2532                                | BufferView::FITCUR);
2533                         owner_->getLyXFunc()->setMessage(N_("Mark removed"));
2534                 } else {
2535                         beforeChange(lt);
2536                         lt->selection.mark(true);
2537                         update(lt,
2538                                BufferView::SELECT
2539                                | BufferView::FITCUR);
2540                         owner_->getLyXFunc()->setMessage(N_("Mark set"));
2541                 }
2542                 lt->selection.cursor = lt->cursor;
2543         }
2544         break;
2545
2546         case LFUN_DELETE:
2547         {
2548                 LyXText * lt = bv_->getLyXText();
2549
2550                 if (!lt->selection.set()) {
2551                         lt->Delete(bv_);
2552                         lt->selection.cursor = lt->cursor;
2553                         update(lt,
2554                                BufferView::SELECT
2555                                | BufferView::FITCUR
2556                                | BufferView::CHANGE);
2557                         // It is possible to make it a lot faster still
2558                         // just comment out the line below...
2559                         showCursor();
2560                 } else {
2561                         bv_->cut(false);
2562                 }
2563                 moveCursorUpdate(false);
2564                 owner_->showState();
2565                 setState();
2566         }
2567         break;
2568
2569         case LFUN_DELETE_SKIP:
2570         {
2571                 LyXText * lt = bv_->getLyXText();
2572
2573                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2574
2575                 LyXCursor cursor = lt->cursor;
2576
2577                 if (!lt->selection.set()) {
2578                         if (cursor.pos() == cursor.par()->size()) {
2579                                 lt->cursorRight(bv_);
2580                                 cursor = lt->cursor;
2581                                 if (cursor.pos() == 0
2582                                     && !(cursor.par()->params().spaceTop()
2583                                          == VSpace (VSpace::NONE))) {
2584                                         lt->setParagraph
2585                                                 (bv_,
2586                                                  cursor.par()->params().lineTop(),
2587                                                  cursor.par()->params().lineBottom(),
2588                                                  cursor.par()->params().pagebreakTop(),
2589                                                  cursor.par()->params().pagebreakBottom(),
2590                                                  VSpace(VSpace::NONE),
2591                                                  cursor.par()->params().spaceBottom(),
2592                                                  cursor.par()->params().spacing(),
2593                                                  cursor.par()->params().align(),
2594                                                  cursor.par()->params().labelWidthString(), 0);
2595                                         lt->cursorLeft(bv_);
2596                                         update(lt,
2597                                                BufferView::SELECT
2598                                                | BufferView::FITCUR
2599                                                | BufferView::CHANGE);
2600                                 } else {
2601                                         lt->cursorLeft(bv_);
2602                                         lt->Delete(bv_);
2603                                         lt->selection.cursor = lt->cursor;
2604                                         update(lt,
2605                                                BufferView::SELECT
2606                                                | BufferView::FITCUR
2607                                                | BufferView::CHANGE);
2608                                 }
2609                         } else {
2610                                 lt->Delete(bv_);
2611                                 lt->selection.cursor = lt->cursor;
2612                                 update(lt,
2613                                        BufferView::SELECT
2614                                        | BufferView::FITCUR
2615                                        | BufferView::CHANGE);
2616                         }
2617                 } else {
2618                         bv_->cut(false);
2619                 }
2620         }
2621         break;
2622
2623         /* -------> Delete word forward. */
2624         case LFUN_DELETE_WORD_FORWARD:
2625                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR);
2626                 bv_->getLyXText()->deleteWordForward(bv_);
2627                 update(bv_->getLyXText(), BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2628                 moveCursorUpdate(false);
2629                 owner_->showState();
2630                 break;
2631
2632                 /* -------> Delete word backward. */
2633         case LFUN_DELETE_WORD_BACKWARD:
2634         {
2635                 LyXText * lt = bv_->getLyXText();
2636
2637                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2638                 lt->deleteWordBackward(bv_);
2639                 update(lt,
2640                        BufferView::SELECT
2641                        | BufferView::FITCUR
2642                        | BufferView::CHANGE);
2643                 moveCursorUpdate(false);
2644                 owner_->showState();
2645         }
2646         break;
2647
2648                 /* -------> Kill to end of line. */
2649         case LFUN_DELETE_LINE_FORWARD:
2650         {
2651                 LyXText * lt = bv_->getLyXText();
2652
2653                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2654                 lt->deleteLineForward(bv_);
2655                 update(lt,
2656                        BufferView::SELECT
2657                        | BufferView::FITCUR
2658                        | BufferView::CHANGE);
2659                 moveCursorUpdate(false);
2660         }
2661         break;
2662
2663                 /* -------> Set mark off. */
2664         case LFUN_MARK_OFF:
2665         {
2666                 LyXText * lt = bv_->getLyXText();
2667
2668                 beforeChange(lt);
2669                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2670                 lt->selection.cursor = lt->cursor;
2671                 owner_->getLyXFunc()->setMessage(N_("Mark off"));
2672         }
2673         break;
2674
2675                 /* -------> Set mark on. */
2676         case LFUN_MARK_ON:
2677         {
2678                 LyXText * lt = bv_->getLyXText();
2679
2680                 beforeChange(lt);
2681                 lt->selection.mark(true);
2682                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2683                 lt->selection.cursor = lt->cursor;
2684                 owner_->getLyXFunc()->setMessage(N_("Mark on"));
2685         }
2686         break;
2687
2688         case LFUN_BACKSPACE:
2689         {
2690                 LyXText * lt = bv_->getLyXText();
2691
2692                 if (!lt->selection.set()) {
2693                         if (owner_->getIntl()->getTrans().backspace()) {
2694                                 lt->backspace(bv_);
2695                                 lt->selection.cursor = lt->cursor;
2696                                 update(lt,
2697                                        BufferView::SELECT
2698                                        | BufferView::FITCUR
2699                                        | BufferView::CHANGE);
2700                                 // It is possible to make it a lot faster still
2701                                 // just comment out the line below...
2702                                 showCursor();
2703                         }
2704                 } else {
2705                         bv_->cut(false);
2706                 }
2707                 owner_->showState();
2708                 setState();
2709         }
2710         break;
2711
2712         case LFUN_BACKSPACE_SKIP:
2713         {
2714                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
2715                 LyXText * lt = bv_->getLyXText();
2716
2717                 LyXCursor cursor = lt->cursor;
2718
2719                 if (!lt->selection.set()) {
2720                         if (cursor.pos() == 0
2721                             && !(cursor.par()->params().spaceTop()
2722                                  == VSpace (VSpace::NONE))) {
2723                                 lt->setParagraph
2724                                         (bv_,
2725                                          cursor.par()->params().lineTop(),
2726                                          cursor.par()->params().lineBottom(),
2727                                          cursor.par()->params().pagebreakTop(),
2728                                          cursor.par()->params().pagebreakBottom(),
2729                                          VSpace(VSpace::NONE), cursor.par()->params().spaceBottom(),
2730                                          cursor.par()->params().spacing(),
2731                                          cursor.par()->params().align(),
2732                                          cursor.par()->params().labelWidthString(), 0);
2733                                 update(lt,
2734                                        BufferView::SELECT
2735                                        | BufferView::FITCUR
2736                                        | BufferView::CHANGE);
2737                         } else {
2738                                 lt->backspace(bv_);
2739                                 lt->selection.cursor = cursor;
2740                                 update(lt,
2741                                        BufferView::SELECT
2742                                        | BufferView::FITCUR
2743                                        | BufferView::CHANGE);
2744                         }
2745                 } else
2746                         bv_->cut(false);
2747         }
2748         break;
2749
2750         case LFUN_BREAKPARAGRAPH:
2751         {
2752                 LyXText * lt = bv_->getLyXText();
2753
2754                 beforeChange(lt);
2755                 lt->breakParagraph(bv_, 0);
2756                 update(lt,
2757                        BufferView::SELECT
2758                        | BufferView::FITCUR
2759                        | BufferView::CHANGE);
2760                 lt->selection.cursor = lt->cursor;
2761                 setState();
2762                 owner_->showState();
2763                 break;
2764         }
2765
2766         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
2767         {
2768                 LyXText * lt = bv_->getLyXText();
2769
2770                 beforeChange(lt);
2771                 lt->breakParagraph(bv_, 1);
2772                 update(lt,
2773                        BufferView::SELECT
2774                        | BufferView::FITCUR
2775                        | BufferView::CHANGE);
2776                 lt->selection.cursor = lt->cursor;
2777                 setState();
2778                 owner_->showState();
2779                 break;
2780         }
2781
2782         case LFUN_BREAKPARAGRAPH_SKIP:
2783         {
2784                 // When at the beginning of a paragraph, remove
2785                 // indentation and add a "defskip" at the top.
2786                 // Otherwise, do the same as LFUN_BREAKPARAGRAPH.
2787                 LyXText * lt = bv_->getLyXText();
2788
2789                 LyXCursor cursor = lt->cursor;
2790
2791                 beforeChange(lt);
2792                 if (cursor.pos() == 0) {
2793                         if (cursor.par()->params().spaceTop() == VSpace(VSpace::NONE)) {
2794                                 lt->setParagraph
2795                                         (bv_,
2796                                          cursor.par()->params().lineTop(),
2797                                          cursor.par()->params().lineBottom(),
2798                                          cursor.par()->params().pagebreakTop(),
2799                                          cursor.par()->params().pagebreakBottom(),
2800                                          VSpace(VSpace::DEFSKIP), cursor.par()->params().spaceBottom(),
2801                                          cursor.par()->params().spacing(),
2802                                          cursor.par()->params().align(),
2803                                          cursor.par()->params().labelWidthString(), 1);
2804                                 //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2805                         }
2806                 }
2807                 else {
2808                         lt->breakParagraph(bv_, 0);
2809                         //update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
2810                 }
2811
2812                 update(lt,
2813                        BufferView::SELECT
2814                        | BufferView::FITCUR
2815                        | BufferView::CHANGE);
2816                 lt->selection.cursor = cursor;
2817                 setState();
2818                 owner_->showState();
2819         }
2820         break;
2821
2822         case LFUN_PARAGRAPH_SPACING:
2823         {
2824                 LyXText * lt = bv_->getLyXText();
2825
2826                 Paragraph * par = lt->cursor.par();
2827                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
2828                 float cur_value = 1.0;
2829                 if (cur_spacing == Spacing::Other) {
2830                         cur_value = par->params().spacing().getValue();
2831                 }
2832
2833                 istringstream istr(argument.c_str());
2834
2835                 string tmp;
2836                 istr >> tmp;
2837                 Spacing::Space new_spacing = cur_spacing;
2838                 float new_value = cur_value;
2839                 if (tmp.empty()) {
2840                         lyxerr << "Missing argument to `paragraph-spacing'"
2841                                << endl;
2842                 } else if (tmp == "single") {
2843                         new_spacing = Spacing::Single;
2844                 } else if (tmp == "onehalf") {
2845                         new_spacing = Spacing::Onehalf;
2846                 } else if (tmp == "double") {
2847                         new_spacing = Spacing::Double;
2848                 } else if (tmp == "other") {
2849                         new_spacing = Spacing::Other;
2850                         float tmpval = 0.0;
2851                         istr >> tmpval;
2852                         lyxerr << "new_value = " << tmpval << endl;
2853                         if (tmpval != 0.0)
2854                                 new_value = tmpval;
2855                 } else if (tmp == "default") {
2856                         new_spacing = Spacing::Default;
2857                 } else {
2858                         lyxerr << _("Unknown spacing argument: ")
2859                                << argument << endl;
2860                 }
2861                 if (cur_spacing != new_spacing || cur_value != new_value) {
2862                         par->params().spacing(Spacing(new_spacing, new_value));
2863                         lt->redoParagraph(bv_);
2864                         update(lt,
2865                                BufferView::SELECT
2866                                | BufferView::FITCUR
2867                                | BufferView::CHANGE);
2868                 }
2869         }
2870         break;
2871
2872         case LFUN_INSET_TOGGLE:
2873         {
2874                 LyXText * lt = bv_->getLyXText();
2875                 hideCursor();
2876                 beforeChange(lt);
2877                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2878                 lt->toggleInset(bv_);
2879                 update(lt, BufferView::SELECT|BufferView::FITCUR);
2880                 setState();
2881         }
2882                 break;
2883
2884         case LFUN_QUOTE:
2885                 smartQuote();
2886                 break;
2887
2888         case LFUN_HTMLURL:
2889         case LFUN_URL:
2890         {
2891                 InsetCommandParams p;
2892                 if (action == LFUN_HTMLURL)
2893                         p.setCmdName("htmlurl");
2894                 else
2895                         p.setCmdName("url");
2896                 owner_->getDialogs()->createUrl(p.getAsString());
2897         }
2898         break;
2899
2900         case LFUN_INSERT_URL:
2901         {
2902                 InsetCommandParams p;
2903                 p.setFromString(argument);
2904
2905                 InsetUrl * inset = new InsetUrl(p);
2906                 if (!insertInset(inset))
2907                         delete inset;
2908                 else
2909                         updateInset(inset, true);
2910         }
2911         break;
2912
2913         case LFUN_INSET_ERT:
2914                 insertAndEditInset(new InsetERT(buffer_->params));
2915                 break;
2916
2917         case LFUN_INSET_EXTERNAL:
2918                 insertAndEditInset(new InsetExternal);
2919                 break;
2920
2921         case LFUN_INSET_FOOTNOTE:
2922                 insertAndEditInset(new InsetFoot(buffer_->params));
2923                 break;
2924
2925         case LFUN_INSET_MARGINAL:
2926                 insertAndEditInset(new InsetMarginal(buffer_->params));
2927                 break;
2928
2929         case LFUN_INSET_MINIPAGE:
2930                 insertAndEditInset(new InsetMinipage(buffer_->params));
2931                 break;
2932
2933         case LFUN_INSERT_NOTE:
2934                 insertAndEditInset(new InsetNote(buffer_->params));
2935                 break;
2936
2937         case LFUN_INSET_FLOAT:
2938                 // check if the float type exist
2939                 if (floatList.typeExist(argument)) {
2940                         insertAndEditInset(new InsetFloat(buffer_->params,
2941                                                           argument));
2942                 } else {
2943                         lyxerr << "Non-existent float type: "
2944                                << argument << endl;
2945                 }
2946                 break;
2947
2948         case LFUN_INSET_WIDE_FLOAT:
2949                 // check if the float type exist
2950                 if (floatList.typeExist(argument)) {
2951                         InsetFloat * new_inset =
2952                                 new InsetFloat(buffer_->params, argument);
2953                         new_inset->wide(true);
2954                         insertAndEditInset(new_inset);
2955                 } else {
2956                         lyxerr << "Non-existent float type: "
2957                                << argument << endl;
2958                 }
2959                 break;
2960
2961 #if 0
2962         case LFUN_INSET_LIST:
2963                 insertAndEditInset(new InsetList);
2964                 break;
2965
2966         case LFUN_INSET_THEOREM:
2967                 insertAndEditInset(new InsetTheorem);
2968                 break;
2969 #endif
2970
2971         case LFUN_INSET_CAPTION:
2972         {
2973                 // Do we have a locking inset...
2974                 if (bv_->theLockingInset()) {
2975                         lyxerr << "Locking inset code: "
2976                                << static_cast<int>(bv_->theLockingInset()->lyxCode());
2977                         InsetCaption * new_inset =
2978                                 new InsetCaption(buffer_->params);
2979                         new_inset->setOwner(bv_->theLockingInset());
2980                         new_inset->setAutoBreakRows(true);
2981                         new_inset->setDrawFrame(0, InsetText::LOCKED);
2982                         new_inset->setFrameColor(0, LColor::captionframe);
2983                         if (insertInset(new_inset))
2984                                 new_inset->edit(bv_);
2985                         else
2986                                 delete new_inset;
2987                 }
2988         }
2989         break;
2990
2991         case LFUN_INSET_TABULAR:
2992         {
2993                 int r = 2;
2994                 int c = 2;
2995                 if (!argument.empty())
2996                         ::sscanf(argument.c_str(),"%d%d", &r, &c);
2997                 InsetTabular * new_inset =
2998                         new InsetTabular(*buffer_, r, c);
2999                 bool const rtl =
3000                         bv_->getLyXText()->real_current_font.isRightToLeft();
3001                 if (!open_new_inset(new_inset, rtl))
3002                         delete new_inset;
3003         }
3004         break;
3005
3006         // --- lyxserver commands ----------------------------
3007
3008         case LFUN_CHARATCURSOR:
3009         {
3010                 pos_type pos = bv_->getLyXText()->cursor.pos();
3011                 if (pos < bv_->getLyXText()->cursor.par()->size())
3012                         owner_->getLyXFunc()->setMessage(
3013                                 tostr(bv_->getLyXText()->cursor.par()->getChar(pos)));
3014                 else
3015                         owner_->getLyXFunc()->setMessage("EOF");
3016         }
3017         break;
3018
3019         case LFUN_GETXY:
3020                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.x())
3021                                                  + ' '
3022                                                  + tostr(bv_->getLyXText()->cursor.y()));
3023                 break;
3024
3025         case LFUN_SETXY:
3026         {
3027                 int x = 0;
3028                 int y = 0;
3029                 if (::sscanf(argument.c_str(), " %d %d", &x, &y) != 2) {
3030                         lyxerr << "SETXY: Could not parse coordinates in '"
3031                                << argument << std::endl;
3032                 }
3033                 bv_->getLyXText()->setCursorFromCoordinates(bv_, x, y);
3034         }
3035         break;
3036
3037         case LFUN_GETLAYOUT:
3038                 owner_->getLyXFunc()->setMessage(tostr(bv_->getLyXText()->cursor.par()->layout()));
3039                 break;
3040
3041         case LFUN_GETFONT:
3042         {
3043                 LyXFont & font = bv_->getLyXText()->current_font;
3044                 if (font.shape() == LyXFont::ITALIC_SHAPE)
3045                         owner_->getLyXFunc()->setMessage("E");
3046                 else if (font.shape() == LyXFont::SMALLCAPS_SHAPE)
3047                         owner_->getLyXFunc()->setMessage("N");
3048                 else
3049                         owner_->getLyXFunc()->setMessage("0");
3050
3051         }
3052         break;
3053
3054         // --- accented characters ---------------------------
3055
3056         case LFUN_UMLAUT:
3057         case LFUN_CIRCUMFLEX:
3058         case LFUN_GRAVE:
3059         case LFUN_ACUTE:
3060         case LFUN_TILDE:
3061         case LFUN_CEDILLA:
3062         case LFUN_MACRON:
3063         case LFUN_DOT:
3064         case LFUN_UNDERDOT:
3065         case LFUN_UNDERBAR:
3066         case LFUN_CARON:
3067         case LFUN_SPECIAL_CARON:
3068         case LFUN_BREVE:
3069         case LFUN_TIE:
3070         case LFUN_HUNG_UMLAUT:
3071         case LFUN_CIRCLE:
3072         case LFUN_OGONEK:
3073                 if (argument.empty()) {
3074                         // As always...
3075                         owner_->getLyXFunc()->handleKeyFunc(action);
3076                 } else {
3077                         owner_->getLyXFunc()->handleKeyFunc(action);
3078                         owner_->getIntl()->getTrans()
3079                                 .TranslateAndInsert(argument[0], bv_->getLyXText());
3080                         update(bv_->getLyXText(),
3081                                BufferView::SELECT
3082                                | BufferView::FITCUR
3083                                | BufferView::CHANGE);
3084                 }
3085                 break;
3086
3087         case LFUN_MATH_MACRO:
3088                 mathDispatchMathMacro(bv_, argument);
3089                 break;
3090
3091         case LFUN_MATH_DELIM:
3092                 mathDispatchMathDelim(bv_, argument);
3093                 break;
3094
3095         case LFUN_INSERT_MATRIX:
3096                 mathDispatchInsertMatrix(bv_, argument);
3097                 break;
3098
3099         case LFUN_INSERT_MATH:
3100                 mathDispatchInsertMath(bv_, argument);
3101                 break;
3102
3103         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
3104                 mathDispatchMathImportSelection(bv_, argument);
3105                 break;
3106
3107         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
3108                 mathDispatchMathDisplay(bv_, argument);
3109                 break;
3110
3111         case LFUN_MATH_MODE:             // Open or create an inlined math inset
3112                 mathDispatchMathMode(bv_, argument);
3113                 break;
3114
3115         case LFUN_GREEK:                 // Insert a single greek letter
3116                 mathDispatchGreek(bv_, argument);
3117                 break;
3118
3119         case LFUN_CITATION_INSERT:
3120         {
3121                 InsetCommandParams p;
3122                 p.setFromString(argument);
3123
3124                 InsetCitation * inset = new InsetCitation(p);
3125                 if (!insertInset(inset))
3126                         delete inset;
3127                 else
3128                         updateInset(inset, true);
3129         }
3130         break;
3131
3132         case LFUN_INSERT_BIBTEX:
3133         {
3134                 // ale970405+lasgoutt970425
3135                 // The argument can be up to two tokens separated
3136                 // by a space. The first one is the bibstyle.
3137                 string const db       = token(argument, ' ', 0);
3138                 string const bibstyle = token(argument, ' ', 1);
3139
3140                 InsetCommandParams p("BibTeX", db, bibstyle);
3141                 InsetBibtex * inset = new InsetBibtex(p);
3142
3143                 if (insertInset(inset)) {
3144                         if (argument.empty())
3145                                 inset->edit(bv_);
3146                 } else
3147                         delete inset;
3148         }
3149         break;
3150
3151         // BibTeX data bases
3152         case LFUN_BIBDB_ADD:
3153         {
3154                 InsetBibtex * inset =
3155                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3156                 if (inset) {
3157                         inset->addDatabase(argument);
3158                 }
3159         }
3160         break;
3161
3162         case LFUN_BIBDB_DEL:
3163         {
3164                 InsetBibtex * inset =
3165                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3166                 if (inset) {
3167                         inset->delDatabase(argument);
3168                 }
3169         }
3170         break;
3171
3172         case LFUN_BIBTEX_STYLE:
3173         {
3174                 InsetBibtex * inset =
3175                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
3176                 if (inset) {
3177                         inset->setOptions(argument);
3178                 }
3179         }
3180         break;
3181
3182         case LFUN_INDEX_CREATE:
3183         {
3184                 InsetCommandParams p("index");
3185                 if (argument.empty()) {
3186                         string const idxstring(bv_->getLyXText()->getStringToIndex(bv_));
3187                         p.setContents(idxstring);
3188                 } else {
3189                         p.setContents(argument);
3190                 }
3191
3192                 owner_->getDialogs()->createIndex(p.getAsString());
3193         }
3194         break;
3195
3196         case LFUN_INDEX_INSERT:
3197         {
3198                 InsetCommandParams p;
3199                 p.setFromString(argument);
3200                 InsetIndex * inset = new InsetIndex(p);
3201
3202                 if (!insertInset(inset))
3203                         delete inset;
3204                 else
3205                         updateInset(inset, true);
3206         }
3207         break;
3208
3209         case LFUN_INDEX_INSERT_LAST:
3210         {
3211                 string const idxstring(bv_->getLyXText()->getStringToIndex(bv_));
3212                 if (!idxstring.empty()) {
3213                         owner_->message(_("Word `")
3214                                         + idxstring + _(("' indexed.")));
3215                         InsetCommandParams p("index", idxstring);
3216                         InsetIndex * inset = new InsetIndex(p);
3217
3218                         if (!insertInset(inset))
3219                                 delete inset;
3220                         else
3221                                 updateInset(inset, true);
3222                 }
3223         }
3224         break;
3225
3226         case LFUN_INDEX_PRINT:
3227         {
3228                 InsetCommandParams p("printindex");
3229                 Inset * inset = new InsetPrintIndex(p);
3230                 if (!insertInset(inset, tclass.defaultLayoutName()))
3231                         delete inset;
3232         }
3233         break;
3234
3235         case LFUN_PARENTINSERT:
3236         {
3237                 InsetCommandParams p("lyxparent", argument);
3238                 Inset * inset = new InsetParent(p, *buffer_);
3239                 if (!insertInset(inset, tclass.defaultLayoutName()))
3240                         delete inset;
3241         }
3242
3243         break;
3244
3245         case LFUN_CHILD_INSERT:
3246         {
3247                 InsetInclude::Params p;
3248                 p.cparams.setFromString(argument);
3249                 p.masterFilename_ = buffer_->fileName();
3250
3251                 InsetInclude * inset = new InsetInclude(p);
3252                 if (!insertInset(inset))
3253                         delete inset;
3254                 else {
3255                         updateInset(inset, true);
3256                         bv_->owner()->getDialogs()->showInclude(inset);
3257                 }
3258         }
3259         break;
3260
3261         case LFUN_FLOAT_LIST:
3262                 if (floatList.typeExist(argument)) {
3263                         Inset * inset = new InsetFloatList(argument);
3264                         if (!insertInset(inset, tclass.defaultLayoutName()))
3265                                 delete inset;
3266                 } else {
3267                         lyxerr << "Non-existent float type: "
3268                                << argument << endl;
3269                 }
3270                 break;
3271
3272         case LFUN_THESAURUS_ENTRY:
3273         {
3274                 string arg = argument;
3275
3276                 if (arg.empty()) {
3277                         arg = bv_->getLyXText()->selectionAsString(buffer_,
3278                                                                    false);
3279
3280                         // FIXME
3281                         if (arg.size() > 100 || arg.empty()) {
3282                                 // Get word or selection
3283                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
3284                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
3285                                 // FIXME: where is getLyXText()->unselect(bv_) ?
3286                         }
3287                 }
3288
3289                 bv_->owner()->getDialogs()->showThesaurus(arg);
3290         }
3291                 break;
3292
3293         case LFUN_SELFINSERT:
3294         {
3295                 if (argument.empty()) break;
3296
3297                 /* Automatically delete the currently selected
3298                  * text and replace it with what is being
3299                  * typed in now. Depends on lyxrc settings
3300                  * "auto_region_delete", which defaults to
3301                  * true (on). */
3302
3303                 LyXText * lt = bv_->getLyXText();
3304
3305                 if (lyxrc.auto_region_delete) {
3306                         if (lt->selection.set()) {
3307                                 lt->cutSelection(bv_, false, false);
3308                                 bv_->update(lt,
3309                                             BufferView::SELECT
3310                                             | BufferView::FITCUR
3311                                             | BufferView::CHANGE);
3312                         }
3313                         workarea_.haveSelection(false);
3314                 }
3315
3316                 beforeChange(lt);
3317                 LyXFont const old_font(lt->real_current_font);
3318
3319                 string::const_iterator cit = argument.begin();
3320                 string::const_iterator end = argument.end();
3321                 for (; cit != end; ++cit) {
3322                         owner_->getIntl()->getTrans().TranslateAndInsert(*cit, lt);
3323                 }
3324
3325                 bv_->update(lt,
3326                             BufferView::SELECT
3327                             | BufferView::FITCUR
3328                             | BufferView::CHANGE);
3329
3330                 lt->selection.cursor = lt->cursor;
3331                 moveCursorUpdate(false);
3332
3333                 // real_current_font.number can change so we need to
3334                 // update the minibuffer
3335                 if (old_font != lt->real_current_font)
3336                         owner_->showState();
3337                 //return string();
3338         }
3339         break;
3340
3341         case LFUN_DATE_INSERT:  // jdblair: date-insert cmd
3342         {
3343                 time_t now_time_t = time(NULL);
3344                 struct tm * now_tm = localtime(&now_time_t);
3345                 setlocale(LC_TIME, "");
3346                 string arg;
3347                 if (!argument.empty())
3348                         arg = argument;
3349                 else
3350                         arg = lyxrc.date_insert_format;
3351                 char datetmp[32];
3352                 int const datetmp_len =
3353                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
3354
3355                 LyXText * lt = bv_->getLyXText();
3356
3357                 for (int i = 0; i < datetmp_len; i++) {
3358                         lt->insertChar(bv_, datetmp[i]);
3359                         update(lt,
3360                                BufferView::SELECT
3361                                | BufferView::FITCUR
3362                                | BufferView::CHANGE);
3363                 }
3364
3365                 lt->selection.cursor = lt->cursor;
3366                 moveCursorUpdate(false);
3367         }
3368         break;
3369
3370         case LFUN_UNKNOWN_ACTION:
3371                 owner_->getLyXFunc()->setErrorMessage(N_("Unknown function!"));
3372                 break;
3373
3374         default:
3375                 return false;
3376         } // end of switch
3377
3378         return true;
3379 }
3380
3381
3382 void BufferView::Pimpl::newline()
3383 {
3384         if (available()) {
3385                 LyXText * lt = bv_->getLyXText();
3386                 hideCursor();
3387                 update(lt,
3388                        BufferView::SELECT
3389                        | BufferView::FITCUR);
3390                 lt->insertChar(bv_, Paragraph::META_NEWLINE);
3391                 update(lt,
3392                        BufferView::SELECT
3393                        | BufferView::FITCUR
3394                        | BufferView::CHANGE);
3395         }
3396 }
3397
3398
3399 void BufferView::Pimpl::hfill()
3400 {
3401         if (available()) {
3402                 LyXText * lt = bv_->getLyXText();
3403                 hideCursor();
3404                 update(lt,
3405                        BufferView::SELECT
3406                        | BufferView::FITCUR);
3407                 lt->insertChar(bv_, Paragraph::META_HFILL);
3408                 update(lt,
3409                        BufferView::SELECT
3410                        | BufferView::FITCUR
3411                        | BufferView::CHANGE);
3412         }
3413 }
3414
3415
3416 void BufferView::Pimpl::specialChar(InsetSpecialChar::Kind kind)
3417 {
3418         if (available()) {
3419                 LyXText * lt = bv_->getLyXText();
3420
3421                 hideCursor();
3422                 update(lt, BufferView::SELECT|BufferView::FITCUR);
3423                 InsetSpecialChar * new_inset =
3424                         new InsetSpecialChar(kind);
3425                 if (!insertInset(new_inset))
3426                         delete new_inset;
3427                 else
3428                         updateInset(new_inset, true);
3429         }
3430 }
3431
3432
3433 void BufferView::Pimpl::smartQuote()
3434 {
3435         LyXText const * lt = bv_->getLyXText();
3436         Paragraph const * par = lt->cursor.par();
3437         pos_type pos = lt->cursor.pos();
3438         char c;
3439
3440         if (!pos
3441             || (par->isInset(pos - 1)
3442                 && par->getInset(pos - 1)->isSpace()))
3443                 c = ' ';
3444         else
3445                 c = par->getChar(pos - 1);
3446
3447
3448         hideCursor();
3449
3450         LyXLayout const & style =
3451                 textclasslist[bv_->buffer()->params.textclass][par->layout()];
3452
3453         if (style.pass_thru ||
3454                 (!insertInset(new InsetQuotes(c, bv_->buffer()->params))))
3455                 bv_->owner()->getLyXFunc()->dispatch(LFUN_SELFINSERT, "\"");
3456 }
3457
3458
3459 void BufferView::Pimpl::insertAndEditInset(Inset * inset)
3460 {
3461         if (insertInset(inset))
3462                 inset->edit(bv_);
3463         else
3464                 delete inset;
3465 }
3466
3467
3468 // Open and lock an updatable inset
3469 bool BufferView::Pimpl::open_new_inset(UpdatableInset * new_inset, bool behind)
3470 {
3471         LyXText * lt = bv_->getLyXText();
3472
3473         beforeChange(lt);
3474         finishUndo();
3475         if (!insertInset(new_inset)) {
3476                 delete new_inset;
3477                 return false;
3478         }
3479         new_inset->edit(bv_, !behind);
3480         return true;
3481 }
3482
3483
3484 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
3485 {
3486         // if we are in a locking inset we should try to insert the
3487         // inset there otherwise this is a illegal function now
3488         if (bv_->theLockingInset()) {
3489                 if (bv_->theLockingInset()->insetAllowed(inset))
3490                     return bv_->theLockingInset()->insertInset(bv_, inset);
3491                 return false;
3492         }
3493
3494         // not quite sure if we want this...
3495         setCursorParUndo(bv_);
3496         freezeUndo();
3497
3498         beforeChange(bv_->text);
3499         if (!lout.empty()) {
3500                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3501                 bv_->text->breakParagraph(bv_);
3502                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3503
3504                 if (bv_->text->cursor.par()->size()) {
3505                         bv_->text->cursorLeft(bv_);
3506
3507                         bv_->text->breakParagraph(bv_);
3508                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3509                 }
3510
3511                 string lres = lout;
3512                 LyXTextClass const & tclass =
3513                         textclasslist[buffer_->params.textclass];
3514                 bool hasLayout = tclass.hasLayout(lres);
3515                 string lay = tclass.defaultLayoutName();
3516
3517                 if (hasLayout != false) {
3518                         // layout found
3519                         lay = lres;
3520                 } else {
3521                         // layout not fount using default
3522                         lay = tclass.defaultLayoutName();
3523                 }
3524
3525                 bv_->text->setLayout(bv_, lay);
3526
3527                 bv_->text->setParagraph(bv_, 0, 0,
3528                                    0, 0,
3529                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
3530                                    Spacing(),
3531                                    LYX_ALIGN_LAYOUT,
3532                                    string(),
3533                                    0);
3534                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3535         }
3536
3537         bv_->text->insertInset(bv_, inset);
3538         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
3539
3540         unFreezeUndo();
3541         return true;
3542 }
3543
3544
3545 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
3546 {
3547         if (!inset || !available())
3548                 return;
3549
3550         // first check for locking insets
3551         if (bv_->theLockingInset()) {
3552                 if (bv_->theLockingInset() == inset) {
3553                         if (bv_->text->updateInset(bv_, inset)) {
3554                                 update();
3555                                 if (mark_dirty) {
3556                                         buffer_->markDirty();
3557                                 }
3558                                 updateScrollbar();
3559                                 return;
3560                         }
3561                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
3562                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
3563                                 update();
3564                                 if (mark_dirty) {
3565                                         buffer_->markDirty();
3566                                 }
3567                                 updateScrollbar();
3568                                 return;
3569                         }
3570                 }
3571         }
3572
3573         // then check if the inset is a top_level inset (has no owner)
3574         // if yes do the update as always otherwise we have to update the
3575         // toplevel inset where this inset is inside
3576         Inset * tl_inset = inset;
3577         while(tl_inset->owner())
3578                 tl_inset = tl_inset->owner();
3579         hideCursor();
3580         if (tl_inset == inset) {
3581                 update(bv_->text, BufferView::UPDATE);
3582                 if (bv_->text->updateInset(bv_, inset)) {
3583                         if (mark_dirty) {
3584                                 update(bv_->text,
3585                                        BufferView::SELECT
3586                                        | BufferView::FITCUR
3587                                        | BufferView::CHANGE);
3588                         } else {
3589                                 update(bv_->text, SELECT);
3590                         }
3591                         return;
3592                 }
3593         } else if (static_cast<UpdatableInset *>(tl_inset)
3594                            ->updateInsetInInset(bv_, inset))
3595         {
3596                         if (bv_->text->updateInset(bv_,  tl_inset)) {
3597                                 update();
3598                                 updateScrollbar();
3599                         }
3600         }
3601 }
3602
3603
3604 void BufferView::Pimpl::gotoInset(vector<Inset::Code> const & codes,
3605                                   bool same_content)
3606 {
3607         if (!available()) return;
3608
3609         hideCursor();
3610         beforeChange(bv_->text);
3611         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3612
3613         LyXCursor const & cursor = bv_->text->cursor;
3614
3615         string contents;
3616         if (same_content &&
3617             cursor.par()->isInset(cursor.pos())) {
3618                 Inset const * inset = cursor.par()->getInset(cursor.pos());
3619                 if (find(codes.begin(), codes.end(), inset->lyxCode())
3620                     != codes.end())
3621                         contents =
3622                                 static_cast<InsetCommand const *>(inset)->getContents();
3623         }
3624
3625
3626         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3627                 if (bv_->text->cursor.pos()
3628                     || bv_->text->cursor.par() != bv_->text->ownerParagraph()) {
3629                         LyXCursor tmp = bv_->text->cursor;
3630                         bv_->text->cursor.par(bv_->text->ownerParagraph());
3631                         bv_->text->cursor.pos(0);
3632                         if (!bv_->text->gotoNextInset(bv_, codes, contents)) {
3633                                 bv_->text->cursor = tmp;
3634                                 bv_->owner()->message(_("No more insets"));
3635                         }
3636                 } else {
3637                         bv_->owner()->message(_("No more insets"));
3638                 }
3639         }
3640         update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
3641         bv_->text->selection.cursor = bv_->text->cursor;
3642 }
3643
3644
3645 void BufferView::Pimpl::gotoInset(Inset::Code code, bool same_content)
3646 {
3647         gotoInset(vector<Inset::Code>(1, code), same_content);
3648 }