]> git.lyx.org Git - lyx.git/blob - src/insets/insettext.C
Dekels tabular/textinset patches
[lyx.git] / src / insets / insettext.C
1 // -*- C++ -*-
2 /* This file is part of
3  * ======================================================
4  * 
5  *           LyX, The Document Processor
6  *
7  *           Copyright 1998-2000 The LyX Team.
8  *
9  * ======================================================
10  */
11
12 #include <config.h>
13
14 #include <fstream>
15 #include <algorithm>
16
17 #include <cstdlib>
18
19 #ifdef __GNUG__
20 #pragma implementation
21 #endif
22
23 #include "insettext.h"
24 #include "lyxparagraph.h"
25 #include "lyxlex.h"
26 #include "debug.h"
27 #include "lyxfont.h"
28 #include "commandtags.h"
29 #include "buffer.h"
30 #include "LyXView.h"
31 #include "BufferView.h"
32 #include "layout.h"
33 #include "LaTeXFeatures.h"
34 #include "Painter.h"
35 #include "lyx_gui_misc.h"
36 #include "lyxtext.h"
37 #include "lyxcursor.h"
38 #include "CutAndPaste.h"
39 #include "font.h"
40 #include "minibuffer.h"
41 #include "LColor.h"
42 #include "support/textutils.h"
43 #include "support/LAssert.h"
44 #include "lyxrow.h"
45 #include "lyxrc.h"
46 #include "intl.h"
47 #include "trans_mgr.h"
48 #include "lyxscreen.h"
49 #include "WorkArea.h"
50
51 using std::ostream;
52 using std::ifstream;
53 using std::endl;
54 using std::min;
55 using std::max;
56
57 extern unsigned char getCurrentTextClass(Buffer *);
58 extern bool math_insert_greek(BufferView *, char);
59 extern int greek_kb_flag;
60
61 InsetText::InsetText()
62 {
63     par = new LyXParagraph();
64     init();
65 }
66
67
68 InsetText::InsetText(InsetText const & ins)
69         : UpdatableInset()
70 {
71     par = 0;
72     init(&ins);
73     autoBreakRows = ins.autoBreakRows;
74 }
75
76
77 InsetText & InsetText::operator=(InsetText const & it)
78 {
79     init(&it);
80     autoBreakRows = it.autoBreakRows;
81     return * this;
82 }
83
84
85 void InsetText::init(InsetText const * ins)
86 {
87     top_y = 0;
88     last_width = 0;
89     last_height = 0;
90     insetAscent = 0;
91     insetDescent = 0;
92     insetWidth = 0;
93     the_locking_inset = 0;
94     cursor_visible = false;
95     interline_space = 1;
96     no_selection = false;
97     need_update = INIT;
98     drawTextXOffset = 0;
99     drawTextYOffset = 0;
100     autoBreakRows = false;
101     drawFrame = NEVER;
102     xpos = 0.0;
103     if (ins) {
104         SetParagraphData(ins->par);
105         autoBreakRows = ins->autoBreakRows;
106         drawFrame = ins->drawFrame;
107     }
108     par->SetInsetOwner(this);
109     frame_color = LColor::insetframe;
110     locked = false;
111     old_par = 0;
112 }
113
114
115 InsetText::~InsetText()
116 {
117     // delete all instances of LyXText before deleting the paragraps used
118     // by it.
119     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
120         delete (*cit).second;
121         (*cit).second = 0;
122     }
123     LyXParagraph * p = par->next;
124     delete par;
125     while(p) {
126         par = p;
127         p = p->next;
128         delete par;
129     }
130 }
131
132
133 void InsetText::clear()
134 {
135     // delete all instances of LyXText before deleting the paragraps used
136     // by it.
137     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
138         delete (*cit).second;
139         (*cit).second = 0;
140     }
141     LyXParagraph * p = par->next;
142     delete par;
143     while(p) {
144         par = p;
145         p = p->next;
146         delete par;
147     }
148     par = new LyXParagraph();
149 }
150
151
152 Inset * InsetText::Clone(Buffer const &) const
153 {
154     InsetText * t = new InsetText(*this);
155     return t;
156 }
157
158
159 void InsetText::Write(Buffer const * buf, ostream & os) const
160 {
161     os << "Text\n";
162     WriteParagraphData(buf, os);
163 }
164
165
166 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
167 {
168     par->writeFile(buf, os, buf->params, 0, 0);
169 }
170
171
172 void InsetText::Read(Buffer const * buf, LyXLex & lex)
173 {
174     string token;
175     int pos = 0;
176     LyXParagraph * return_par = 0;
177     char depth = 0; // signed or unsigned?
178 #ifndef NEW_INSETS
179     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
180     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
181 #endif
182     LyXFont font(LyXFont::ALL_INHERIT);
183
184     // delete all instances of LyXText before deleting the paragraps used
185     // by it.
186     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
187         delete (*cit).second;
188         (*cit).second = 0;
189     }
190
191     LyXParagraph * p = par->next;
192     delete par;
193     while(p) {
194         par = p;
195         p = p->next;
196         delete par;
197     }
198     par = new LyXParagraph;
199     while (lex.IsOK()) {
200         lex.nextToken();
201         token = lex.GetString();
202         if (token.empty())
203             continue;
204         if (token == "\\end_inset")
205             break;
206         if (const_cast<Buffer*>(buf)->
207             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
208                                        font
209 #ifndef NEW_INSETS
210                                        , footnoteflag, footnotekind
211 #endif
212                                        ))
213         {
214             // the_end read this should NEVER happen
215             lex.printError("\\the_end read in inset! Error in document!");
216             return;
217         }
218     }
219     if (!return_par)
220             return_par = par;
221     par = return_par;
222     while(return_par) {
223         return_par->SetInsetOwner(this);
224         return_par = return_par->next;
225     }
226     
227     if (token != "\\end_inset") {
228         lex.printError("Missing \\end_inset at this point. "
229                        "Read: `$$Token'");
230     }
231     need_update = INIT;
232 }
233
234
235 int InsetText::ascent(BufferView * bv, LyXFont const &) const
236 {
237     int y_temp = 0;
238     Row * row = TEXT(bv)->GetRowNearY(y_temp);
239     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
240     return insetAscent;
241 }
242
243
244 int InsetText::descent(BufferView * bv, LyXFont const &) const
245 {
246     int y_temp = 0;
247     Row * row = TEXT(bv)->GetRowNearY(y_temp);
248     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
249         TEXT_TO_INSET_OFFSET;
250     return insetDescent;
251 }
252
253
254 int InsetText::width(BufferView * bv, LyXFont const &) const
255 {
256     insetWidth = max(textWidth(bv->painter()),
257                      (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
258     return insetWidth;
259 }
260
261
262 int InsetText::textWidth(Painter & pain) const
263 {
264     int w = getMaxWidth(pain, this);
265     return w;
266 }
267
268
269 void InsetText::draw(BufferView * bv, LyXFont const & f,
270                      int baseline, float & x, bool cleared) const
271 {
272     Painter & pain = bv->painter();
273
274     // no draw is necessary !!!
275     if ((drawFrame == LOCKED) && !locked && !par->size()) {
276         if (!cleared && (need_update == CLEAR_FRAME)) {
277             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
278                            width(bv, f) - 1,
279                            insetAscent + insetDescent - 1,
280                            LColor::background);
281         }
282         top_x = int(x);
283         top_baseline = baseline;
284         x += width(bv, f);
285         need_update = NONE;
286         return;
287     }
288
289     xpos = x;
290     UpdatableInset::draw(bv, f, baseline, x, cleared);
291
292     // if top_x differs we have a rule down and we don't have to clear anything
293     if (!cleared && (top_x == int(x)) &&
294         ((need_update==FULL) || (top_baseline!=baseline)))
295     {
296         int w =  insetWidth;
297         int h = insetAscent + insetDescent;
298         int ty = baseline - insetAscent;
299         
300         if (ty < 0) {
301             h += ty;
302             ty = 0;
303         }
304         if ((ty + h) > pain.paperHeight())
305             h = pain.paperHeight();
306         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
307             w = pain.paperWidth();
308         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
309         cleared = true;
310         need_update = FULL;
311     }
312     if (!cleared && (need_update == NONE))
313         return;
314
315     if (top_x != int(x)) {
316 //      printf("InsetText::draw1 -> INIT(%d)\n",insetWidth);
317         need_update = INIT;
318         top_x = int(x);
319         bv->text->status = LyXText::CHANGED_IN_DRAW;
320         return;
321     }
322
323     top_baseline = baseline;
324     top_y = baseline - ascent(bv, f);
325     last_width = width(bv, f);
326     last_height = ascent(bv, f) + descent(bv, f);
327
328     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
329         inset_x = cx(bv) - top_x + drawTextXOffset;
330         inset_y = cy(bv) + drawTextYOffset;
331     }
332     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
333         x += width(bv, f);
334         need_update = NONE;
335         return;
336     }
337     x += TEXT_TO_INSET_OFFSET;
338     {
339         int y = 0;
340         Row * row = TEXT(bv)->GetRowNearY(y);
341         int y_offset = baseline - row->ascent_of_text();
342         int ph = pain.paperHeight();
343         int first = 0;
344         y = y_offset;
345         while ((row != 0) && ((y+row->height()) <= 0)) {
346             y += row->height();
347             first += row->height();
348             row = row->next();
349         }
350         if (y_offset < 0)
351             y_offset = y;
352         TEXT(bv)->first = first;
353         if (cleared || !locked || (need_update==FULL) || (need_update==INIT)) {
354             int yf = y_offset;
355             y = 0;
356             while ((row != 0) && (yf < ph)) {
357                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
358                                             y+first, cleared);
359                 y += row->height();
360                 yf += row->height();
361                 row = row->next();
362             }
363         } else if (need_update == SELECTION) {
364             bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
365         } else {
366             locked = false;
367             if (need_update == CURSOR) {
368                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
369                 TEXT(bv)->ClearSelection();
370                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
371             }
372             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
373             locked = true;
374         }
375     }
376     TEXT(bv)->refresh_y = 0;
377     TEXT(bv)->status = LyXText::UNCHANGED;
378     if ((need_update != CURSOR_PAR) &&
379         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
380     {
381             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
382                            width(bv, f) - 1, insetAscent + insetDescent - 1,
383                            frame_color);
384     } else if (need_update == CLEAR_FRAME) {
385             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
386                            width(bv, f) - 1, insetAscent + insetDescent - 1,
387                            LColor::background);
388     }
389     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
390     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
391     {
392         need_update = INIT;
393 //      printf("InsetText::draw2 -> INIT(%d)\n",insetWidth);
394     }
395     else if (need_update != INIT)
396         need_update = NONE;
397 }
398
399
400 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
401 {
402     if (reinit) {  // && (need_update != CURSOR)) {
403         need_update = INIT;
404         resizeLyXText(bv);
405         if (owner())
406             owner()->update(bv, font, true);
407         return;
408     }
409     if (the_locking_inset) {
410         inset_x = cx(bv) - top_x + drawTextXOffset;
411         inset_y = cy(bv) + drawTextYOffset;
412         the_locking_inset->update(bv, font, reinit);
413     }
414     if (need_update == INIT) {
415         resizeLyXText(bv);
416         need_update = FULL;
417     }
418     int oldw = insetWidth;
419 #if 1
420     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
421     // max(textWidth(bv->painter()),
422     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
423     // (2 * TEXT_TO_INSET_OFFSET);
424 #else
425     insetWidth = textWidth(bv->painter());
426     if (insetWidth < 0)
427             insetWidth = static_cast<int>(TEXT(bv)->width);
428 #endif
429     if (oldw != insetWidth) {
430 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
431 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
432         resizeLyXText(bv);
433         need_update = FULL;
434         update(bv, font, reinit);
435         return;
436     }
437     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
438         the_locking_inset)
439     {
440         TEXT(bv)->UpdateInset(bv, the_locking_inset);
441     }
442
443     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
444         need_update = FULL;
445
446     int y_temp = 0;
447     Row * row = TEXT(bv)->GetRowNearY(y_temp);
448     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
449     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
450         TEXT_TO_INSET_OFFSET;
451 }
452
453
454 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
455 {
456 //    if (what == INIT)
457 //      printf("InsetText::UpdateLocal -> INIT(%d)\n",insetWidth);
458     TEXT(bv)->FullRebreak(bv);
459     if (need_update != INIT) {
460         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
461             need_update = FULL;
462         else if (!the_locking_inset || (what != CURSOR))
463             need_update = what;
464     }
465     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
466         TEXT(bv)->selection)
467             bv->updateInset(this, mark_dirty);
468     bv->owner()->showState();
469     if (old_par != cpar(bv)) {
470             bv->owner()->setLayout(cpar(bv)->GetLayout());
471             old_par = cpar(bv);
472     }
473 }
474
475
476 string const InsetText::EditMessage() const
477 {
478     return _("Opened Text Inset");
479 }
480
481
482 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
483 {
484 //    par->SetInsetOwner(this);
485     UpdatableInset::Edit(bv, x, y, button);
486
487     if (!bv->lockInset(this)) {
488         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
489         return;
490     }
491     locked = true;
492     the_locking_inset = 0;
493     inset_pos = inset_x = inset_y = 0;
494     inset_boundary = false;
495     inset_par = 0;
496     old_par = 0;
497     if (!checkAndActivateInset(bv, x, y, button))
498         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
499                                            y+insetAscent);
500     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
501     bv->text->FinishUndo();
502     ShowInsetCursor(bv);
503     UpdateLocal(bv, FULL, false);
504
505     // If the inset is empty set the language of the current font to the
506     // language to the surronding text.
507     if (par->Last() == 0 && !par->next) {
508         LyXFont font(LyXFont::ALL_IGNORE);
509         font.setLanguage(bv->getParentLanguage(this));
510         SetFont(bv, font, false);
511     }
512 }
513
514
515 void InsetText::InsetUnlock(BufferView * bv)
516 {
517     if (the_locking_inset) {
518         the_locking_inset->InsetUnlock(bv);
519         the_locking_inset = 0;
520     }
521     HideInsetCursor(bv);
522     no_selection = false;
523     locked = false;
524     TEXT(bv)->selection = 0;
525     UpdateLocal(bv, CLEAR_FRAME, false);
526     if (owner())
527             bv->owner()->setLayout(owner()->getLyXText(bv)
528                                     ->cursor.par()->GetLayout());
529     else
530             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
531 }
532
533
534 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
535 {
536     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
537     if (!inset)
538         return false;
539     if (inset == cpar(bv)->GetInset(cpos(bv))) {
540         lyxerr[Debug::INSETS] << "OK" << endl;
541         the_locking_inset = inset;
542         inset_x = cx(bv) - top_x + drawTextXOffset;
543         inset_y = cy(bv) + drawTextYOffset;
544         inset_pos = cpos(bv);
545         inset_par = cpar(bv);
546         inset_boundary = cboundary(bv);
547         TEXT(bv)->UpdateInset(bv, the_locking_inset);
548         return true;
549     } else if (the_locking_inset && (the_locking_inset == inset)) {
550         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
551             lyxerr[Debug::INSETS] << "OK" << endl;
552             inset_x = cx(bv) - top_x + drawTextXOffset;
553             inset_y = cy(bv) + drawTextYOffset;
554         } else {
555             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
556         }
557     } else if (the_locking_inset) {
558         lyxerr[Debug::INSETS] << "MAYBE" << endl;
559         return the_locking_inset->LockInsetInInset(bv, inset);
560     }
561     lyxerr[Debug::INSETS] << "NOT OK" << endl;
562     return false;
563 }
564
565
566 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
567                                    bool lr)
568 {
569     if (!the_locking_inset)
570         return false;
571     if (the_locking_inset == inset) {
572         the_locking_inset->InsetUnlock(bv);
573         TEXT(bv)->UpdateInset(bv, inset);
574         the_locking_inset = 0;
575         if (lr)
576             moveRight(bv, false);
577         old_par = 0; // force layout setting
578         UpdateLocal(bv, CURSOR_PAR, false);
579         return true;
580     }
581     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
582 }
583
584
585 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
586 {
587     if (!the_locking_inset)
588         return false;
589     if (the_locking_inset != inset) {
590         TEXT(bv)->UpdateInset(bv, the_locking_inset);
591         need_update = CURSOR_PAR;
592         return the_locking_inset->UpdateInsetInInset(bv, inset);
593     }
594 //    UpdateLocal(bv, FULL, false);
595     if (TEXT(bv)->UpdateInset(bv, inset))
596         UpdateLocal(bv, CURSOR_PAR, false);
597     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
598         inset_x = cx(bv) - top_x + drawTextXOffset;
599         inset_y = cy(bv) + drawTextYOffset;
600     }
601     return true;
602 }
603
604
605 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
606 {
607     no_selection = false;
608
609     int tmp_x = x - drawTextXOffset;
610     int tmp_y = y + insetAscent - TEXT(bv)->first;
611     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
612
613     HideInsetCursor(bv);
614     if (the_locking_inset) {
615         if (the_locking_inset == inset) {
616             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
617             return;
618         } else if (inset) {
619             // otherwise unlock the_locking_inset and lock the new inset
620             the_locking_inset->InsetUnlock(bv);
621             inset_x = cx(bv) - top_x + drawTextXOffset;
622             inset_y = cy(bv) + drawTextYOffset;
623             the_locking_inset = static_cast<UpdatableInset*>(inset);
624             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
625             inset->Edit(bv, x - inset_x, y - inset_y, button);
626             if (the_locking_inset) {
627                 UpdateLocal(bv, CURSOR_PAR, false);
628             }
629             return;
630         }
631         // otherwise only unlock the_locking_inset
632         the_locking_inset->InsetUnlock(bv);
633         the_locking_inset = 0;
634     }
635     if (bv->theLockingInset()) {
636         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
637             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
638             inset_x = cx(bv) - top_x + drawTextXOffset;
639             inset_y = cy(bv) + drawTextYOffset;
640             inset_pos = cpos(bv);
641             inset_par = cpar(bv);
642             inset_boundary = cboundary(bv);
643             the_locking_inset = uinset;
644             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
645             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
646 //          TEXT(bv)->ClearSelection();
647             if (the_locking_inset) {
648                 UpdateLocal(bv, CURSOR_PAR, false);
649             }
650             return;
651         }
652     }
653     if (!inset) {
654         bool paste_internally = false;
655         if ((button == 2) && TEXT(bv)->selection) {
656             LocalDispatch(bv, LFUN_COPY, "");
657             paste_internally = true;
658         }
659         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
660                                            y + insetAscent);
661         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
662         UpdateLocal(bv, CURSOR, false);
663         bv->owner()->setLayout(cpar(bv)->GetLayout());
664         old_par = cpar(bv);
665         // Insert primary selection with middle mouse
666         // if there is a local selection in the current buffer,
667         // insert this
668         if (button == 2) {
669             if (paste_internally)
670                 LocalDispatch(bv, LFUN_PASTE, "");
671             else
672                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
673         }
674     }
675     ShowInsetCursor(bv);
676 }
677
678
679 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
680 {
681     UpdatableInset * inset = 0;
682
683     if (the_locking_inset) {
684             the_locking_inset->InsetButtonRelease(bv,
685                                                   x - inset_x, y - inset_y,
686                                                   button);
687     } else {
688         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
689             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
690             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
691                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
692             } else {
693                 inset_x = cx(bv) - top_x + drawTextXOffset;
694                 inset_y = cy(bv) + drawTextYOffset;
695                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
696                 inset->Edit(bv, x - inset_x, y - inset_y, button);
697             }
698             UpdateLocal(bv, CURSOR_PAR, false);
699         }
700     }
701     no_selection = false;
702 }
703
704
705 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
706 {
707     if (the_locking_inset) {
708         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
709                                              y - inset_y,state);
710         return;
711     }
712     if (!no_selection) {
713         HideInsetCursor(bv);
714         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
715                                            y+insetAscent);
716         TEXT(bv)->SetSelection();
717         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
718             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
719             UpdateLocal(bv, SELECTION, false);
720         ShowInsetCursor(bv);
721     }
722     no_selection = false;
723 }
724
725
726 void InsetText::InsetKeyPress(XKeyEvent * xke)
727 {
728     if (the_locking_inset) {
729         the_locking_inset->InsetKeyPress(xke);
730         return;
731     }
732 }
733
734
735 UpdatableInset::RESULT
736 InsetText::LocalDispatch(BufferView * bv,
737                          int action, string const & arg)
738 {
739     no_selection = false;
740     UpdatableInset::RESULT
741         result= UpdatableInset::LocalDispatch(bv, action, arg);
742     if (result != UNDISPATCHED) {
743         return DISPATCHED;
744     }
745
746     result=DISPATCHED;
747     if ((action < 0) && arg.empty())
748         return FINISHED;
749
750     if (the_locking_inset) {
751         result = the_locking_inset->LocalDispatch(bv, action, arg);
752         if (result == DISPATCHED_NOUPDATE)
753             return result;
754         else if (result == DISPATCHED) {
755             UpdateLocal(bv, CURSOR_PAR, false);
756             return result;
757         } else if (result == FINISHED) {
758             bool dispatched = false;
759             switch (action) {
760             case LFUN_UNKNOWN_ACTION:
761             case LFUN_BREAKPARAGRAPH:
762             case LFUN_BREAKLINE:
763                moveRightIntern(bv, false, false);
764                break;
765             case LFUN_RIGHT:
766                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
767                     moveRightIntern(bv, false, false);
768                 dispatched = true;
769                 break;
770             case LFUN_LEFT:
771                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
772                     moveRightIntern(bv, false, false);
773                 dispatched = true;
774                 break;
775             }
776             the_locking_inset = 0;
777             if (dispatched)
778                 return DISPATCHED;
779         }
780     }
781     HideInsetCursor(bv);
782     switch (action) {
783         // Normal chars
784     case LFUN_UNKNOWN_ACTION:
785         if (bv->buffer()->isReadonly()) {
786             LyXBell();
787 //          setErrorMessage(N_("Document is read only"));
788             break;
789         }
790         if (!arg.empty()) {
791             /* Automatically delete the currently selected
792              * text and replace it with what is being
793              * typed in now. Depends on lyxrc settings
794              * "auto_region_delete", which defaults to
795              * true (on). */
796
797             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
798 #ifndef NEW_INSETS
799                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
800                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
801 #else
802                               bv->text->cursor.par()->previous,
803                               bv->text->cursor.par()->next
804 #endif
805                     );
806             bv->setState();
807             if (lyxrc.auto_region_delete) {
808                 if (TEXT(bv)->selection){
809                     TEXT(bv)->CutSelection(bv, false);
810                 }
811             }
812             TEXT(bv)->ClearSelection();
813             for (string::size_type i = 0; i < arg.length(); ++i) {
814                 if (greek_kb_flag) {
815                     if (!math_insert_greek(bv, arg[i])) {
816 #if 0
817                         bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
818 #else
819                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
820 #endif
821                     } else if (!the_locking_inset) {
822                         (void)moveRight(bv, false);
823                     }
824                 } else {
825 #if 0
826                     bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
827 #else
828                     bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
829 #endif
830                 }
831             }
832         }
833         UpdateLocal(bv, CURSOR_PAR, true);
834         result=DISPATCHED_NOUPDATE;
835         break;
836         // --- Cursor Movements ---------------------------------------------
837     case LFUN_RIGHTSEL:
838         bv->text->FinishUndo();
839         moveRight(bv, false, true);
840         TEXT(bv)->SetSelection();
841         UpdateLocal(bv, SELECTION, false);
842         break;
843     case LFUN_RIGHT:
844         result = moveRight(bv);
845         bv->text->FinishUndo();
846         TEXT(bv)->ClearSelection();
847         UpdateLocal(bv, CURSOR, false);
848         break;
849     case LFUN_LEFTSEL:
850         bv->text->FinishUndo();
851         moveLeft(bv, false, true);
852         TEXT(bv)->SetSelection();
853         UpdateLocal(bv, SELECTION, false);
854         break;
855     case LFUN_LEFT:
856         bv->text->FinishUndo();
857         result = moveLeft(bv);
858         TEXT(bv)->ClearSelection();
859         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
860         UpdateLocal(bv, CURSOR, false);
861         break;
862     case LFUN_DOWNSEL:
863         bv->text->FinishUndo();
864         moveDown(bv);
865         TEXT(bv)->SetSelection();
866         UpdateLocal(bv, SELECTION, false);
867         break;
868     case LFUN_DOWN:
869         bv->text->FinishUndo();
870         result = moveDown(bv);
871         TEXT(bv)->ClearSelection();
872         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
873         UpdateLocal(bv, CURSOR, false);
874         break;
875     case LFUN_UPSEL:
876         bv->text->FinishUndo();
877         moveUp(bv);
878         TEXT(bv)->SetSelection();
879         UpdateLocal(bv, SELECTION, false);
880         break;
881     case LFUN_UP:
882         bv->text->FinishUndo();
883         result = moveUp(bv);
884         TEXT(bv)->ClearSelection();
885         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
886         UpdateLocal(bv, CURSOR, false);
887         break;
888     case LFUN_HOME:
889         bv->text->FinishUndo();
890         TEXT(bv)->CursorHome(bv);
891         TEXT(bv)->ClearSelection();
892         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
893         UpdateLocal(bv, CURSOR, false);
894         break;
895     case LFUN_END:
896         TEXT(bv)->CursorEnd(bv);
897         TEXT(bv)->ClearSelection();
898         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
899         UpdateLocal(bv, CURSOR, false);
900         break;
901     case LFUN_BACKSPACE:
902         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
903 #ifndef NEW_INSETS
904           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
905           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
906 #else
907           bv->text->cursor.par()->previous,
908           bv->text->cursor.par()->next
909 #endif
910                 );
911         if (TEXT(bv)->selection)
912             TEXT(bv)->CutSelection(bv);
913         else
914             TEXT(bv)->Backspace(bv);
915         UpdateLocal(bv, CURSOR_PAR, true);
916         break;
917     case LFUN_DELETE:
918         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
919 #ifndef NEW_INSETS
920           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
921           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
922 #else
923           bv->text->cursor.par()->previous,
924           bv->text->cursor.par()->next
925 #endif
926                 );
927         if (TEXT(bv)->selection)
928             TEXT(bv)->CutSelection(bv);
929         else
930             TEXT(bv)->Delete(bv);
931         UpdateLocal(bv, CURSOR_PAR, true);
932         break;
933     case LFUN_CUT:
934         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
935 #ifndef NEW_INSETS
936           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
937           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
938 #else
939           bv->text->cursor.par()->previous,
940           bv->text->cursor.par()->next
941 #endif
942                 );
943         TEXT(bv)->CutSelection(bv);
944         UpdateLocal(bv, CURSOR_PAR, true);
945         break;
946     case LFUN_COPY:
947         bv->text->FinishUndo();
948         TEXT(bv)->CopySelection(bv);
949         UpdateLocal(bv, CURSOR_PAR, false);
950         break;
951     case LFUN_PASTESELECTION:
952     {
953         string clip(bv->workarea()->getClipboard());
954         
955         if (clip.empty())
956             break;
957         if (arg == "paragraph") {
958                 TEXT(bv)->InsertStringB(bv, clip);
959         } else {
960                 TEXT(bv)->InsertStringA(bv, clip);
961         }
962         UpdateLocal(bv, CURSOR_PAR, true);
963         break;
964     }
965     case LFUN_PASTE:
966         if (!autoBreakRows) {
967             CutAndPaste cap;
968
969             if (cap.nrOfParagraphs() > 1) {
970                 WriteAlert(_("Impossible operation"),
971                            _("Cannot include more than one paragraph!"),
972                            _("Sorry."));
973                 break;
974             }
975         }
976         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
977 #ifndef NEW_INSETS
978           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
979           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
980 #else
981           bv->text->cursor.par()->previous,
982           bv->text->cursor.par()->next
983 #endif
984                 );
985         TEXT(bv)->PasteSelection(bv);
986         UpdateLocal(bv, CURSOR_PAR, true);
987         break;
988     case LFUN_BREAKPARAGRAPH:
989         if (!autoBreakRows)
990             return DISPATCHED;
991         TEXT(bv)->BreakParagraph(bv, 0);
992         UpdateLocal(bv, FULL, true);
993         break;
994     case LFUN_BREAKLINE:
995         if (!autoBreakRows)
996             return DISPATCHED;
997         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
998 #ifndef NEW_INSETS
999             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1000             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1001 #else
1002             bv->text->cursor.par()->previous,
1003             bv->text->cursor.par()->next
1004 #endif
1005                 );
1006         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1007         UpdateLocal(bv, CURSOR_PAR, true);
1008         break;
1009     case LFUN_LAYOUT:
1010         // do not set layouts on non breakable textinsets
1011         if (autoBreakRows) {
1012             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1013       
1014             // Derive layout number from given argument (string)
1015             // and current buffer's textclass (number). */    
1016             LyXTextClassList::ClassList::size_type tclass =
1017                 bv->buffer()->params.textclass;
1018             std::pair <bool, LyXTextClass::size_type> layout = 
1019                 textclasslist.NumberOfLayout(tclass, arg);
1020
1021             // If the entry is obsolete, use the new one instead.
1022             if (layout.first) {
1023                 string obs = textclasslist.Style(tclass,layout.second).
1024                     obsoleted_by();
1025                 if (!obs.empty()) 
1026                     layout = textclasslist.NumberOfLayout(tclass, obs);
1027             }
1028
1029             // see if we found the layout number:
1030             if (!layout.first) {
1031                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1032
1033                 bv->owner()->getMiniBuffer()->Set(msg);
1034                 break;
1035             }
1036
1037             if (cur_layout != layout.second) {
1038                 cur_layout = layout.second;
1039                 TEXT(bv)->SetLayout(bv, layout.second);
1040                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1041                 UpdateLocal(bv, CURSOR_PAR, true);
1042             }
1043         } else {
1044             // reset the layout box
1045             bv->owner()->setLayout(cpar(bv)->GetLayout());
1046         }
1047         break;
1048     case LFUN_PARAGRAPH_SPACING:
1049             // This one is absolutely not working. When fiddling with this
1050             // it also seems to me that the paragraphs inside the insettext
1051             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1052     {
1053             LyXParagraph * par = TEXT(bv)->cursor.par();
1054             Spacing::Space cur_spacing = par->spacing.getSpace();
1055             float cur_value = 1.0;
1056             if (cur_spacing == Spacing::Other) {
1057                     cur_value = par->spacing.getValue();
1058             }
1059                         
1060             std::istringstream istr(arg.c_str());
1061             string tmp;
1062             istr >> tmp;
1063             Spacing::Space new_spacing = cur_spacing;
1064             float new_value = cur_value;
1065             if (tmp.empty()) {
1066                     lyxerr << "Missing argument to `paragraph-spacing'"
1067                            << endl;
1068             } else if (tmp == "single") {
1069                     new_spacing = Spacing::Single;
1070             } else if (tmp == "onehalf") {
1071                     new_spacing = Spacing::Onehalf;
1072             } else if (tmp == "double") {
1073                     new_spacing = Spacing::Double;
1074             } else if (tmp == "other") {
1075                     new_spacing = Spacing::Other;
1076                     float tmpval = 0.0;
1077                     istr >> tmpval;
1078                     lyxerr << "new_value = " << tmpval << endl;
1079                     if (tmpval != 0.0)
1080                             new_value = tmpval;
1081             } else if (tmp == "default") {
1082                     new_spacing = Spacing::Default;
1083             } else {
1084                     lyxerr << _("Unknown spacing argument: ")
1085                            << arg << endl;
1086             }
1087             if (cur_spacing != new_spacing || cur_value != new_value) {
1088                     par->spacing.set(new_spacing, new_value);
1089                     //TEXT(bv)->RedoParagraph(owner->view());
1090                     UpdateLocal(bv, CURSOR_PAR, true);
1091                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1092             }
1093     }
1094     break;
1095         
1096     default:
1097         result = UNDISPATCHED;
1098         break;
1099     }
1100     if (result != FINISHED) {
1101         ShowInsetCursor(bv);
1102     } else
1103         bv->unlockInset(this);
1104     return result;
1105 }
1106
1107
1108 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1109 {
1110     TexRow texrow;
1111     buf->latexParagraphs(os, par, 0, texrow);
1112     return texrow.rows();
1113 }
1114
1115
1116 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1117 {
1118     LyXParagraph * p = par;
1119     unsigned int lines = 0;
1120     
1121     string tmp;
1122     while (p) {
1123         tmp = buf->asciiParagraph(p, linelen);
1124         lines += countChar(tmp, '\n');
1125         os << tmp;
1126         p = p->next;
1127     }
1128     return lines;
1129 }
1130
1131
1132 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1133 {
1134     LyXParagraph * p = par;
1135     unsigned int lines = 0;
1136     int desc=0;
1137     
1138     string tmp;
1139     while (p) {
1140         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1141         p = p->next;
1142     }
1143     
1144     return lines;
1145 }
1146
1147
1148 void InsetText::Validate(LaTeXFeatures & features) const
1149 {
1150     LyXParagraph * p = par;
1151     while(p) {
1152         p->validate(features);
1153         p = p->next;
1154     }
1155 }
1156
1157
1158 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1159 {
1160     if (textclasslist.Style(buf->params.textclass,
1161                             p->GetLayout()).labeltype != LABEL_MANUAL)
1162         return 0;
1163     else
1164         return p->BeginningOfMainBody();
1165 }
1166
1167
1168 void InsetText::GetCursorPos(BufferView * bv,
1169                              int & x, int & y) const
1170 {
1171     x = cx(bv);
1172     y = cy(bv);
1173 }
1174
1175
1176 unsigned int InsetText::InsetInInsetY()
1177 {
1178     if (!the_locking_inset)
1179         return 0;
1180
1181     return (inset_y + the_locking_inset->InsetInInsetY());
1182 }
1183
1184
1185 void InsetText::ToggleInsetCursor(BufferView * bv)
1186 {
1187     if (the_locking_inset) {
1188         the_locking_inset->ToggleInsetCursor(bv);
1189         return;
1190     }
1191
1192     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1193
1194     int asc = lyxfont::maxAscent(font);
1195     int desc = lyxfont::maxDescent(font);
1196   
1197     if (cursor_visible)
1198         bv->hideLockedInsetCursor();
1199     else
1200         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1201     cursor_visible = !cursor_visible;
1202 }
1203
1204
1205 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1206 {
1207     if (the_locking_inset) {
1208         the_locking_inset->ShowInsetCursor(bv);
1209         return;
1210     }
1211     if (!cursor_visible) {
1212         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1213         
1214         int asc = lyxfont::maxAscent(font);
1215         int desc = lyxfont::maxDescent(font);
1216
1217         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1218         if (show)
1219             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1220         cursor_visible = true;
1221     }
1222 }
1223
1224
1225 void InsetText::HideInsetCursor(BufferView * bv)
1226 {
1227     if (cursor_visible) {
1228         bv->hideLockedInsetCursor();
1229         cursor_visible = false;
1230     }
1231     if (the_locking_inset)
1232         the_locking_inset->HideInsetCursor(bv);
1233 }
1234
1235
1236 UpdatableInset::RESULT
1237 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1238 {
1239     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1240         return moveLeftIntern(bv, false, activate_inset, selecting);
1241     else
1242         return moveRightIntern(bv, false, activate_inset, selecting);
1243 }
1244
1245 UpdatableInset::RESULT
1246 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1247 {
1248     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1249         return moveRightIntern(bv, true, activate_inset, selecting);
1250     else
1251         return moveLeftIntern(bv, true, activate_inset, selecting);
1252 }
1253
1254
1255 UpdatableInset::RESULT
1256 InsetText::moveRightIntern(BufferView * bv, bool behind, 
1257                            bool activate_inset, bool selecting)
1258 {
1259     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1260         return FINISHED;
1261     if (activate_inset && checkAndActivateInset(bv, behind))
1262         return DISPATCHED;
1263     TEXT(bv)->CursorRight(bv, selecting);
1264     return DISPATCHED_NOUPDATE;
1265 }
1266
1267
1268 UpdatableInset::RESULT
1269 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1270                           bool activate_inset, bool selecting)
1271 {
1272     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1273         return FINISHED;
1274     TEXT(bv)->CursorLeft(bv, selecting);
1275     if (activate_inset && checkAndActivateInset(bv, behind))
1276         return DISPATCHED;
1277     return DISPATCHED_NOUPDATE;
1278 }
1279
1280
1281 UpdatableInset::RESULT
1282 InsetText::moveUp(BufferView * bv)
1283 {
1284     if (!crow(bv)->previous())
1285         return FINISHED;
1286     TEXT(bv)->CursorUp(bv);
1287     return DISPATCHED_NOUPDATE;
1288 }
1289
1290
1291 UpdatableInset::RESULT
1292 InsetText::moveDown(BufferView * bv)
1293 {
1294     if (!crow(bv)->next())
1295         return FINISHED;
1296     TEXT(bv)->CursorDown(bv);
1297     return DISPATCHED_NOUPDATE;
1298 }
1299
1300
1301 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1302 {
1303     if (the_locking_inset) {
1304         if (the_locking_inset->InsertInsetAllowed(inset))
1305             return the_locking_inset->InsertInset(bv, inset);
1306         return false;
1307     }
1308     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1309 #ifndef NEW_INSETS
1310               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1311               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1312 #else
1313               bv->text->cursor.par()->previous,
1314               bv->text->cursor.par()->next
1315 #endif
1316             );
1317     inset->setOwner(this);
1318     HideInsetCursor(bv);
1319     TEXT(bv)->InsertInset(bv, inset);
1320     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1321         (cpar(bv)->GetInset(cpos(bv)) != inset))
1322         TEXT(bv)->CursorLeft(bv);
1323     TEXT(bv)->selection = 0;
1324     bv->fitCursor(TEXT(bv));
1325     UpdateLocal(bv, CURSOR_PAR, true);
1326     ShowInsetCursor(bv);
1327     return true;
1328 }
1329
1330
1331 UpdatableInset * InsetText::GetLockingInset()
1332 {
1333     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1334 }
1335
1336
1337 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1338 {
1339     if (c == LyxCode())
1340         return this;
1341     if (the_locking_inset)
1342         return the_locking_inset->GetFirstLockingInsetOfType(c);
1343     return 0;
1344 }
1345
1346
1347 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1348 {
1349     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1350 #ifndef NEW_INSETS
1351               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1352               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1353 #else
1354               bv->text->cursor.par()->previous,
1355               bv->text->cursor.par()->next
1356 #endif
1357             );
1358     TEXT(bv)->SetFont(bv, font, toggleall);
1359     bv->fitCursor(TEXT(bv));
1360     UpdateLocal(bv, CURSOR_PAR, true);
1361 }
1362
1363
1364 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1365 {
1366     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1367         unsigned int x;
1368         unsigned int y;
1369         Inset * inset =
1370             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1371         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1372             return false;
1373         LyXFont const font =
1374                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1375         if (behind) {
1376             x = inset->width(bv, font);
1377             y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1378         } else {
1379             x = 0;
1380             y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1381         }
1382         //inset_x = cx(bv) - top_x + drawTextXOffset;
1383         //inset_y = cy(bv) + drawTextYOffset;
1384         inset->Edit(bv, x, y, 0);
1385         if (!the_locking_inset)
1386             return false;
1387         UpdateLocal(bv, CURSOR_PAR, false);
1388         return true;
1389     }
1390     return false;
1391 }
1392
1393
1394 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1395                                       int button)
1396 {
1397     x = x - drawTextXOffset;
1398     y = y + insetAscent;
1399     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1400
1401     if (inset) {
1402         if (x < 0)
1403             x = insetWidth;
1404         if (y < 0)
1405             y = insetDescent;
1406         inset_x = cx(bv) - top_x + drawTextXOffset;
1407         inset_y = cy(bv) + drawTextYOffset;
1408         inset->Edit(bv, x - inset_x, y - inset_y, button);
1409         if (!the_locking_inset)
1410             return false;
1411         UpdateLocal(bv, CURSOR_PAR, false);
1412         return true;
1413     }
1414     return false;
1415 }
1416
1417
1418 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1419 {
1420     int w = UpdatableInset::getMaxWidth(pain, inset);
1421     if (w < 0) {
1422         return w;
1423     }
1424     if (owner()) {
1425         w = w - top_x + owner()->x();
1426         return w;
1427     }
1428     w -= (2 * TEXT_TO_INSET_OFFSET);
1429     return w - top_x;
1430 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1431 }
1432
1433
1434 void InsetText::SetParagraphData(LyXParagraph *p)
1435 {
1436     // delete all instances of LyXText before deleting the paragraps used
1437     // by it.
1438     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1439         delete (*cit).second;
1440         (*cit).second = 0;
1441     }
1442
1443     LyXParagraph * np;
1444     if (par) {
1445         np = par->next;
1446         delete par;
1447         while(np) {
1448             par = np;
1449             np = np->next;
1450             delete par;
1451         }
1452     }
1453     par = p->Clone();
1454     par->SetInsetOwner(this);
1455     np = par;
1456     while(p->next) {
1457         p = p->next;
1458         np->next = p->Clone();
1459         np->next->previous = np;
1460         np = np->next;
1461         np->SetInsetOwner(this);
1462     }
1463     need_update = INIT;
1464 }
1465
1466
1467 void InsetText::SetText(string const & data)
1468 {
1469     clear();
1470     LyXFont font(LyXFont::ALL_SANE);
1471     for(unsigned int i=0; i < data.length(); ++i)
1472         par->InsertChar(i, data[i], font);
1473 }
1474
1475
1476 void InsetText::SetAutoBreakRows(bool flag)
1477 {
1478     if (flag != autoBreakRows) {
1479         autoBreakRows = flag;
1480         need_update = FULL;
1481         if (!flag)
1482             removeNewlines();
1483     }
1484 }
1485
1486
1487 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1488 {
1489     if (how != drawFrame) {
1490         drawFrame = how;
1491         if (bv)
1492             UpdateLocal(bv, DRAW_FRAME, false);
1493     }
1494 }
1495
1496
1497 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1498 {
1499     if (frame_color != col) {
1500         frame_color = col;
1501         if (bv)
1502             UpdateLocal(bv, DRAW_FRAME, false);
1503     }
1504 }
1505
1506 #if 0
1507 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1508 {
1509     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1510 }
1511 #endif
1512
1513
1514 int InsetText::cx(BufferView * bv) const
1515 {
1516         LyXText * text = TEXT(bv);
1517         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1518         if (the_locking_inset) {
1519                 LyXFont font = text->GetFont(bv->buffer(),
1520                                      text->cursor.par(), text->cursor.pos());
1521                 if (font.isVisibleRightToLeft())
1522                         x -= the_locking_inset->width(bv, font);
1523         }
1524         return x;
1525 }
1526
1527
1528 int InsetText::cy(BufferView * bv) const
1529 {
1530     LyXFont font;
1531     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1532 }
1533
1534
1535 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1536 {
1537     return TEXT(bv)->cursor.pos();
1538 }
1539
1540
1541 LyXParagraph * InsetText::cpar(BufferView * bv) const
1542 {
1543     return TEXT(bv)->cursor.par();
1544 }
1545
1546 bool InsetText::cboundary(BufferView * bv) const
1547 {
1548     return TEXT(bv)->cursor.boundary();
1549 }
1550
1551
1552 Row * InsetText::crow(BufferView * bv) const
1553 {
1554     return TEXT(bv)->cursor.row();
1555 }
1556
1557
1558 LyXText * InsetText::getLyXText(BufferView const * lbv) const
1559 {
1560     // Super UGLY! (Lgb)
1561     BufferView * bv = const_cast<BufferView *>(lbv);
1562         
1563     if ((cache.find(bv) != cache.end()) && cache[bv])
1564         return cache[bv];
1565     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1566     lt->init(bv);
1567     cache[bv] = lt;
1568     if (the_locking_inset) {
1569        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1570     }
1571     return lt;
1572 }
1573
1574
1575 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1576 {
1577     if ((cache.find(bv) == cache.end()) || !cache[bv])
1578         return;
1579     delete cache[bv];
1580     cache.erase(bv);
1581     if (recursive) {
1582         /// then remove all LyXText in text-insets
1583         LyXParagraph * p = par;
1584         for (;p;p = p->next) {
1585             p->deleteInsetsLyXText(bv);
1586         }
1587     }
1588 }
1589
1590
1591 void InsetText::resizeLyXText(BufferView * bv) const
1592 {
1593     if (!par->next && !par->size()) // resize not neccessary!
1594         return;
1595     if ((cache.find(bv) == cache.end()) || !cache[bv])
1596         return;
1597
1598     LyXParagraph * lpar = 0;
1599     LyXParagraph * selstartpar = 0;
1600     LyXParagraph * selendpar = 0;
1601     LyXParagraph::size_type pos = 0;
1602     LyXParagraph::size_type selstartpos = 0;
1603     LyXParagraph::size_type selendpos = 0;
1604     bool boundary = false;
1605     bool selstartboundary = false;
1606     bool selendboundary = false;
1607     int selection = 0;
1608     int mark_set = 0;
1609
1610 //    ProhibitInput(bv);
1611
1612     if (locked) {
1613         lpar = TEXT(bv)->cursor.par();
1614         pos = TEXT(bv)->cursor.pos();
1615         boundary = TEXT(bv)->cursor.boundary();
1616         selstartpar = TEXT(bv)->sel_start_cursor.par();
1617         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1618         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1619         selendpar = TEXT(bv)->sel_end_cursor.par();
1620         selendpos = TEXT(bv)->sel_end_cursor.pos();
1621         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1622         selection = TEXT(bv)->selection;
1623         mark_set = TEXT(bv)->mark_set;
1624     }
1625     deleteLyXText(bv, (the_locking_inset == 0));
1626
1627     if (lpar) {
1628         TEXT(bv)->selection = true;
1629         /* at this point just to avoid the Delete-Empty-Paragraph
1630          * Mechanism when setting the cursor */
1631         TEXT(bv)->mark_set = mark_set;
1632         if (selection) {
1633             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true, 
1634                                 selstartboundary);
1635             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1636             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1637             TEXT(bv)->SetSelection();
1638             TEXT(bv)->SetCursor(bv, lpar, pos);
1639         } else {
1640             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1641             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1642             TEXT(bv)->selection = false;
1643         }
1644     }
1645     if (bv->screen())
1646             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1647     // this will scroll the screen such that the cursor becomes visible 
1648     bv->updateScrollbar();
1649 //    AllowInput(bv);
1650     if (the_locking_inset) {
1651         /// then resize all LyXText in text-insets
1652         inset_x = cx(bv) - top_x + drawTextXOffset;
1653         inset_y = cy(bv) + drawTextYOffset;
1654         for (LyXParagraph * p = par; p; p = p->next) {
1655             p->resizeInsetsLyXText(bv);
1656         }
1657     }
1658     need_update = FULL;
1659 }
1660
1661
1662 void InsetText::removeNewlines()
1663 {
1664     for (LyXParagraph * p = par; p; p = p->next) {
1665         for (int i = 0; i < p->Last(); ++i) {
1666             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1667                 p->Erase(i);
1668         }
1669     }
1670 }