1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright 1995 Matthias Ettrich
7 * Copyright 1995-2001 The LyX Team.
9 * ====================================================== */
14 #pragma implementation "lyxtext.h"
19 #include "paragraph.h"
20 #include "frontends/LyXView.h"
21 #include "undo_funcs.h"
23 #include "bufferparams.h"
25 #include "BufferView.h"
26 #include "CutAndPaste.h"
27 #include "frontends/Painter.h"
28 #include "frontends/font_metrics.h"
32 #include "FloatList.h"
34 #include "ParagraphParameters.h"
37 #include "insets/inseterror.h"
38 #include "insets/insetbib.h"
39 #include "insets/insetspecialchar.h"
40 #include "insets/insettext.h"
41 #include "insets/insetfloat.h"
42 #include "insets/insetwrap.h"
44 #include "support/LAssert.h"
45 #include "support/textutils.h"
46 #include "support/lstrings.h"
48 #include <boost/format.hpp>
58 LyXText::LyXText(BufferView * bv)
59 : height(0), width(0), first_y(0),
60 bv_owner(bv), inset_owner(0), the_locking_inset(0),
61 need_break_row(0), refresh_y(0), refresh_row(0),
62 status_(LyXText::UNCHANGED), firstrow(0), lastrow(0)
66 LyXText::LyXText(InsetText * inset)
67 : height(0), width(0), first_y(0),
68 bv_owner(0), inset_owner(inset), the_locking_inset(0),
69 need_break_row(0), refresh_y(0), refresh_row(0),
70 status_(LyXText::UNCHANGED), firstrow(0), lastrow(0)
74 void LyXText::init(BufferView * bview, bool reinit)
77 // Delete all rows, this does not touch the paragraphs!
78 Row * tmprow = firstrow;
80 tmprow = firstrow->next();
89 copylayouttype.erase();
90 first_y = refresh_y = 0;
91 status_ = LyXText::UNCHANGED;
95 Paragraph * par = ownerParagraph();
96 current_font = getFont(bview->buffer(), par, 0);
99 insertParagraph(bview, par, lastrow);
102 setCursorIntern(bview, firstrow->par(), 0);
103 selection.cursor = cursor;
105 updateCounters(bview);
111 // Delete all rows, this does not touch the paragraphs!
112 Row * tmprow = firstrow;
114 tmprow = firstrow->next();
123 LyXFont const realizeFont(LyXFont const & font,
127 LyXTextClass const & tclass = buf->params.getLyXTextClass();
128 LyXFont tmpfont(font);
129 Paragraph::depth_type par_depth = par->getDepth();
131 // Resolve against environment font information
132 while (par && par_depth && !tmpfont.resolved()) {
133 par = par->outerHook();
135 tmpfont.realize(par->layout()->font);
136 par_depth = par->getDepth();
140 tmpfont.realize(tclass.defaultfont());
148 // Gets the fully instantiated font at a given position in a paragraph
149 // Basically the same routine as Paragraph::getFont() in paragraph.C.
150 // The difference is that this one is used for displaying, and thus we
151 // are allowed to make cosmetic improvements. For instance make footnotes
153 // If position is -1, we get the layout font of the paragraph.
154 // If position is -2, we get the font of the manual label of the paragraph.
155 LyXFont const LyXText::getFont(Buffer const * buf, Paragraph * par,
158 lyx::Assert(pos >= 0);
160 LyXLayout_ptr const & layout = par->layout();
162 // We specialize the 95% common case:
163 if (!par->getDepth()) {
164 if (layout->labeltype == LABEL_MANUAL
165 && pos < beginningOfMainBody(buf, par)) {
167 LyXFont f = par->getFontSettings(buf->params, pos);
169 par->inInset()->getDrawFont(f);
170 return f.realize(layout->reslabelfont);
172 LyXFont f = par->getFontSettings(buf->params, pos);
174 par->inInset()->getDrawFont(f);
175 return f.realize(layout->resfont);
179 // The uncommon case need not be optimized as much
183 if (pos < beginningOfMainBody(buf, par)) {
185 layoutfont = layout->labelfont;
188 layoutfont = layout->font;
191 LyXFont tmpfont = par->getFontSettings(buf->params, pos);
192 tmpfont.realize(layoutfont);
195 par->inInset()->getDrawFont(tmpfont);
197 return realizeFont(tmpfont, buf, par);
201 LyXFont const LyXText::getLayoutFont(Buffer const * buf, Paragraph * par) const
203 LyXLayout_ptr const & layout = par->layout();
205 if (!par->getDepth()) {
206 return layout->resfont;
209 return realizeFont(layout->font, buf, par);
213 LyXFont const LyXText::getLabelFont(Buffer const * buf, Paragraph * par) const
215 LyXLayout_ptr const & layout = par->layout();
217 if (!par->getDepth()) {
218 return layout->reslabelfont;
221 return realizeFont(layout->labelfont, buf, par);
225 void LyXText::setCharFont(BufferView * bv, Paragraph * par,
226 pos_type pos, LyXFont const & fnt,
229 Buffer const * buf = bv->buffer();
230 LyXFont font = getFont(buf, par, pos);
231 font.update(fnt, buf->params.language, toggleall);
232 // Let the insets convert their font
233 if (par->isInset(pos)) {
234 Inset * inset = par->getInset(pos);
235 if (isEditableInset(inset)) {
236 UpdatableInset * uinset =
237 static_cast<UpdatableInset *>(inset);
238 uinset->setFont(bv, fnt, toggleall, true);
242 // Plug thru to version below:
243 setCharFont(buf, par, pos, font);
247 void LyXText::setCharFont(Buffer const * buf, Paragraph * par,
248 pos_type pos, LyXFont const & fnt)
252 LyXTextClass const & tclass = buf->params.getLyXTextClass();
253 LyXLayout_ptr const & layout = par->layout();
255 // Get concrete layout font to reduce against
258 if (pos < beginningOfMainBody(buf, par))
259 layoutfont = layout->labelfont;
261 layoutfont = layout->font;
263 // Realize against environment font information
264 if (par->getDepth()) {
265 Paragraph * tp = par;
266 while (!layoutfont.resolved() && tp && tp->getDepth()) {
267 tp = tp->outerHook();
269 layoutfont.realize(tp->layout()->font);
273 layoutfont.realize(tclass.defaultfont());
275 // Now, reduce font against full layout font
276 font.reduce(layoutfont);
278 par->setFont(pos, font);
282 // inserts a new row behind the specified row, increments
283 // the touched counters
284 void LyXText::insertRow(Row * row, Paragraph * par,
287 Row * tmprow = new Row;
290 tmprow->next(firstrow);
293 tmprow->previous(row);
294 tmprow->next(row->next());
299 tmprow->next()->previous(tmprow);
301 if (tmprow->previous())
302 tmprow->previous()->next(tmprow);
313 // removes the row and reset the touched counters
314 void LyXText::removeRow(Row * row) const
316 Row * row_prev = row->previous();
318 row->next()->previous(row_prev);
320 firstrow = row->next();
321 // lyx::Assert(firstrow);
323 row_prev->next(row->next());
325 if (row == lastrow) {
326 lyx::Assert(!row->next());
329 if (refresh_row == row) {
330 refresh_row = row_prev ? row_prev : row->next();
331 // what about refresh_y, refresh_height
334 height -= row->height(); // the text becomes smaller
340 // remove all following rows of the paragraph of the specified row.
341 void LyXText::removeParagraph(Row * row) const
343 Paragraph * tmppar = row->par();
347 while (row && row->par() == tmppar) {
348 tmprow = row->next();
355 // insert the specified paragraph behind the specified row
356 void LyXText::insertParagraph(BufferView * bview, Paragraph * par,
359 // insert a new row, starting at position 0
360 insertRow(row, par, 0);
362 // and now append the whole paragraph behind the new row
365 appendParagraph(bview, firstrow);
367 row->next()->height(0);
368 appendParagraph(bview, row->next());
373 Inset * LyXText::getInset() const
376 if (cursor.pos() == 0 && cursor.par()->bibkey) {
377 inset = cursor.par()->bibkey;
378 } else if (cursor.pos() < cursor.par()->size()
379 && cursor.par()->isInset(cursor.pos())) {
380 inset = cursor.par()->getInset(cursor.pos());
386 void LyXText::toggleInset(BufferView * bview)
388 Inset * inset = getInset();
389 // is there an editable inset at cursor position?
390 if (!isEditableInset(inset)) {
391 // No, try to see if we are inside a collapsable inset
392 if (inset_owner && inset_owner->owner()
393 && inset_owner->owner()->isOpen()) {
394 bview->unlockInset(static_cast<UpdatableInset *>(inset_owner->owner()));
395 inset_owner->owner()->close(bview);
396 bview->getLyXText()->cursorRight(bview);
400 //bview->owner()->message(inset->editMessage());
402 // do we want to keep this?? (JMarc)
403 if (!isHighlyEditableInset(inset))
404 setCursorParUndo(bview);
406 if (inset->isOpen()) {
412 inset->open(bview, !inset->isOpen());
417 /* used in setlayout */
418 // Asger is not sure we want to do this...
419 void LyXText::makeFontEntriesLayoutSpecific(Buffer const * buf,
422 LyXLayout_ptr const & layout = par->layout();
425 for (pos_type pos = 0; pos < par->size(); ++pos) {
426 if (pos < beginningOfMainBody(buf, par))
427 layoutfont = layout->labelfont;
429 layoutfont = layout->font;
431 LyXFont tmpfont = par->getFontSettings(buf->params, pos);
432 tmpfont.reduce(layoutfont);
433 par->setFont(pos, tmpfont);
438 Paragraph * LyXText::setLayout(BufferView * bview,
439 LyXCursor & cur, LyXCursor & sstart_cur,
440 LyXCursor & send_cur,
441 string const & layout)
443 Paragraph * endpar = send_cur.par()->next();
444 Paragraph * undoendpar = endpar;
446 if (endpar && endpar->getDepth()) {
447 while (endpar && endpar->getDepth()) {
448 endpar = endpar->next();
452 endpar = endpar->next(); // because of parindents etc.
455 setUndo(bview, Undo::EDIT, sstart_cur.par(), undoendpar);
457 // ok we have a selection. This is always between sstart_cur
458 // and sel_end cursor
460 Paragraph * par = sstart_cur.par();
461 Paragraph * epar = send_cur.par()->next();
463 LyXLayout_ptr const & lyxlayout =
464 bview->buffer()->params.getLyXTextClass()[layout];
467 par->applyLayout(lyxlayout);
468 makeFontEntriesLayoutSpecific(bview->buffer(), par);
469 Paragraph * fppar = par;
470 fppar->params().spaceTop(lyxlayout->fill_top ?
471 VSpace(VSpace::VFILL)
472 : VSpace(VSpace::NONE));
473 fppar->params().spaceBottom(lyxlayout->fill_bottom ?
474 VSpace(VSpace::VFILL)
475 : VSpace(VSpace::NONE));
476 if (lyxlayout->margintype == MARGIN_MANUAL)
477 par->setLabelWidthString(lyxlayout->labelstring());
478 if (lyxlayout->labeltype != LABEL_BIBLIO
480 delete fppar->bibkey;
485 } while (par != epar);
491 // set layout over selection and make a total rebreak of those paragraphs
492 void LyXText::setLayout(BufferView * bview, string const & layout)
494 LyXCursor tmpcursor = cursor; /* store the current cursor */
496 // if there is no selection just set the layout
497 // of the current paragraph */
498 if (!selection.set()) {
499 selection.start = cursor; // dummy selection
500 selection.end = cursor;
502 Paragraph * endpar = setLayout(bview, cursor, selection.start,
503 selection.end, layout);
504 redoParagraphs(bview, selection.start, endpar);
506 // we have to reset the selection, because the
507 // geometry could have changed
508 setCursor(bview, selection.start.par(),
509 selection.start.pos(), false);
510 selection.cursor = cursor;
511 setCursor(bview, selection.end.par(), selection.end.pos(), false);
512 updateCounters(bview);
515 setCursor(bview, tmpcursor.par(), tmpcursor.pos(), true);
519 // increment depth over selection and
520 // make a total rebreak of those paragraphs
521 void LyXText::incDepth(BufferView * bview)
523 // If there is no selection, just use the current paragraph
524 if (!selection.set()) {
525 selection.start = cursor; // dummy selection
526 selection.end = cursor;
529 // We end at the next paragraph with depth 0
530 Paragraph * endpar = selection.end.par()->next();
532 Paragraph * undoendpar = endpar;
534 if (endpar && endpar->getDepth()) {
535 while (endpar && endpar->getDepth()) {
536 endpar = endpar->next();
540 endpar = endpar->next(); // because of parindents etc.
543 setUndo(bview, Undo::EDIT,
544 selection.start.par(), undoendpar);
546 LyXCursor tmpcursor = cursor; // store the current cursor
548 // ok we have a selection. This is always between sel_start_cursor
549 // and sel_end cursor
550 cursor = selection.start;
553 // NOTE: you can't change the depth of a bibliography entry
554 if (cursor.par()->layout()->labeltype != LABEL_BIBLIO) {
555 Paragraph * prev = cursor.par()->previous();
558 if (cursor.par()->getDepth()
559 < prev->getMaxDepthAfter()) {
560 cursor.par()->params().depth(cursor.par()->getDepth() + 1);
564 if (cursor.par() == selection.end.par())
566 cursor.par(cursor.par()->next());
569 redoParagraphs(bview, selection.start, endpar);
571 // we have to reset the selection, because the
572 // geometry could have changed
573 setCursor(bview, selection.start.par(), selection.start.pos());
574 selection.cursor = cursor;
575 setCursor(bview, selection.end.par(), selection.end.pos());
576 updateCounters(bview);
579 setCursor(bview, tmpcursor.par(), tmpcursor.pos());
583 // decrement depth over selection and
584 // make a total rebreak of those paragraphs
585 void LyXText::decDepth(BufferView * bview)
587 // if there is no selection just set the layout
588 // of the current paragraph
589 if (!selection.set()) {
590 selection.start = cursor; // dummy selection
591 selection.end = cursor;
593 Paragraph * endpar = selection.end.par()->next();
594 Paragraph * undoendpar = endpar;
596 if (endpar && endpar->getDepth()) {
597 while (endpar && endpar->getDepth()) {
598 endpar = endpar->next();
602 endpar = endpar->next(); // because of parindents etc.
605 setUndo(bview, Undo::EDIT,
606 selection.start.par(), undoendpar);
608 LyXCursor tmpcursor = cursor; // store the current cursor
610 // ok we have a selection. This is always between sel_start_cursor
611 // and sel_end cursor
612 cursor = selection.start;
615 if (cursor.par()->params().depth()) {
616 cursor.par()->params()
617 .depth(cursor.par()->params().depth() - 1);
619 if (cursor.par() == selection.end.par()) {
622 cursor.par(cursor.par()->next());
625 redoParagraphs(bview, selection.start, endpar);
627 // we have to reset the selection, because the
628 // geometry could have changed
629 setCursor(bview, selection.start.par(),
630 selection.start.pos());
631 selection.cursor = cursor;
632 setCursor(bview, selection.end.par(), selection.end.pos());
633 updateCounters(bview);
636 setCursor(bview, tmpcursor.par(), tmpcursor.pos());
640 // set font over selection and make a total rebreak of those paragraphs
641 void LyXText::setFont(BufferView * bview, LyXFont const & font, bool toggleall)
643 // if there is no selection just set the current_font
644 if (!selection.set()) {
645 // Determine basis font
647 if (cursor.pos() < beginningOfMainBody(bview->buffer(),
649 layoutfont = getLabelFont(bview->buffer(),
652 layoutfont = getLayoutFont(bview->buffer(),
655 // Update current font
656 real_current_font.update(font,
657 bview->buffer()->params.language,
660 // Reduce to implicit settings
661 current_font = real_current_font;
662 current_font.reduce(layoutfont);
663 // And resolve it completely
664 real_current_font.realize(layoutfont);
669 LyXCursor tmpcursor = cursor; // store the current cursor
671 // ok we have a selection. This is always between sel_start_cursor
672 // and sel_end cursor
674 setUndo(bview, Undo::EDIT,
675 selection.start.par(), selection.end.par()->next());
677 cursor = selection.start;
678 while (cursor.par() != selection.end.par() ||
679 cursor.pos() < selection.end.pos())
681 if (cursor.pos() < cursor.par()->size()) {
682 // an open footnote should behave like a closed one
683 setCharFont(bview, cursor.par(), cursor.pos(),
685 cursor.pos(cursor.pos() + 1);
688 cursor.par(cursor.par()->next());
693 redoParagraphs(bview, selection.start, selection.end.par()->next());
695 // we have to reset the selection, because the
696 // geometry could have changed, but we keep
697 // it for user convenience
698 setCursor(bview, selection.start.par(), selection.start.pos());
699 selection.cursor = cursor;
700 setCursor(bview, selection.end.par(), selection.end.pos());
702 setCursor(bview, tmpcursor.par(), tmpcursor.pos(), true,
703 tmpcursor.boundary());
707 void LyXText::redoHeightOfParagraph(BufferView * bview, LyXCursor const & cur)
709 Row * tmprow = cur.row();
710 int y = cur.y() - tmprow->baseline();
712 setHeightOfRow(bview, tmprow);
714 while (tmprow->previous()
715 && tmprow->previous()->par() == tmprow->par()) {
716 tmprow = tmprow->previous();
717 y -= tmprow->height();
718 setHeightOfRow(bview, tmprow);
721 // we can set the refreshing parameters now
722 status(bview, LyXText::NEED_MORE_REFRESH);
724 refresh_row = tmprow;
725 setCursor(bview, cur.par(), cur.pos(), false, cursor.boundary());
729 void LyXText::redoDrawingOfParagraph(BufferView * bview, LyXCursor const & cur)
731 Row * tmprow = cur.row();
733 int y = cur.y() - tmprow->baseline();
734 setHeightOfRow(bview, tmprow);
736 while (tmprow->previous()
737 && tmprow->previous()->par() == tmprow->par()) {
738 tmprow = tmprow->previous();
739 y -= tmprow->height();
742 // we can set the refreshing parameters now
743 if (status_ == LyXText::UNCHANGED || y < refresh_y) {
745 refresh_row = tmprow;
747 status(bview, LyXText::NEED_MORE_REFRESH);
748 setCursor(bview, cur.par(), cur.pos());
752 // deletes and inserts again all paragaphs between the cursor
753 // and the specified par
754 // This function is needed after SetLayout and SetFont etc.
755 void LyXText::redoParagraphs(BufferView * bview, LyXCursor const & cur,
756 Paragraph const * endpar) const
759 Paragraph * tmppar = 0;
760 Paragraph * first_phys_par = 0;
762 Row * tmprow = cur.row();
764 int y = cur.y() - tmprow->baseline();
766 if (!tmprow->previous()) {
767 // a trick/hack for UNDO
768 // This is needed because in an UNDO/REDO we could have changed
769 // the ownerParagrah() so the paragraph inside the row is NOT
770 // my really first par anymore. Got it Lars ;) (Jug 20011206)
771 first_phys_par = ownerParagraph();
773 first_phys_par = tmprow->par();
774 while (tmprow->previous()
775 && tmprow->previous()->par() == first_phys_par)
777 tmprow = tmprow->previous();
778 y -= tmprow->height();
782 // we can set the refreshing parameters now
783 status(bview, LyXText::NEED_MORE_REFRESH);
785 refresh_row = tmprow->previous(); /* the real refresh row will
786 be deleted, so I store
790 tmppar = tmprow->next()->par();
793 while (tmprow->next() && tmppar != endpar) {
794 removeRow(tmprow->next());
795 if (tmprow->next()) {
796 tmppar = tmprow->next()->par();
802 // remove the first one
803 tmprow2 = tmprow; /* this is because tmprow->previous()
805 tmprow = tmprow->previous();
808 tmppar = first_phys_par;
812 insertParagraph(bview, tmppar, tmprow);
816 while (tmprow->next()
817 && tmprow->next()->par() == tmppar) {
818 tmprow = tmprow->next();
820 tmppar = tmppar->next();
822 } while (tmppar && tmppar != endpar);
824 // this is because of layout changes
826 refresh_y -= refresh_row->height();
827 setHeightOfRow(bview, refresh_row);
829 refresh_row = firstrow;
831 setHeightOfRow(bview, refresh_row);
834 if (tmprow && tmprow->next())
835 setHeightOfRow(bview, tmprow->next());
836 updateCounters(bview);
840 void LyXText::fullRebreak(BufferView * bview)
846 if (need_break_row) {
847 breakAgain(bview, need_break_row);
854 // important for the screen
857 // the cursor set functions have a special mechanism. When they
858 // realize, that you left an empty paragraph, they will delete it.
859 // They also delete the corresponding row
861 // need the selection cursor:
862 void LyXText::setSelection(BufferView * bview)
864 bool const lsel = selection.set();
866 if (!selection.set()) {
867 last_sel_cursor = selection.cursor;
868 selection.start = selection.cursor;
869 selection.end = selection.cursor;
874 // first the toggling area
875 if (cursor.y() < last_sel_cursor.y()
876 || (cursor.y() == last_sel_cursor.y()
877 && cursor.x() < last_sel_cursor.x())) {
878 toggle_end_cursor = last_sel_cursor;
879 toggle_cursor = cursor;
881 toggle_end_cursor = cursor;
882 toggle_cursor = last_sel_cursor;
885 last_sel_cursor = cursor;
887 // and now the whole selection
889 if (selection.cursor.par() == cursor.par())
890 if (selection.cursor.pos() < cursor.pos()) {
891 selection.end = cursor;
892 selection.start = selection.cursor;
894 selection.end = selection.cursor;
895 selection.start = cursor;
897 else if (selection.cursor.y() < cursor.y() ||
898 (selection.cursor.y() == cursor.y()
899 && selection.cursor.x() < cursor.x())) {
900 selection.end = cursor;
901 selection.start = selection.cursor;
904 selection.end = selection.cursor;
905 selection.start = cursor;
908 // a selection with no contents is not a selection
909 if (selection.start.par() == selection.end.par() &&
910 selection.start.pos() == selection.end.pos())
911 selection.set(false);
913 if (inset_owner && (selection.set() || lsel))
914 inset_owner->setUpdateStatus(bview, InsetText::SELECTION);
918 string const LyXText::selectionAsString(Buffer const * buffer,
921 if (!selection.set()) return string();
923 // should be const ...
924 Paragraph * startpar(selection.start.par());
925 Paragraph * endpar(selection.end.par());
926 pos_type const startpos(selection.start.pos());
927 pos_type const endpos(selection.end.pos());
929 if (startpar == endpar) {
930 return startpar->asString(buffer, startpos, endpos, label);
935 // First paragraph in selection
936 result += startpar->asString(buffer, startpos, startpar->size(), label) + "\n\n";
938 // The paragraphs in between (if any)
939 LyXCursor tmpcur(selection.start);
940 tmpcur.par(tmpcur.par()->next());
941 while (tmpcur.par() != endpar) {
942 result += tmpcur.par()->asString(buffer, 0,
943 tmpcur.par()->size(),
945 tmpcur.par(tmpcur.par()->next());
948 // Last paragraph in selection
949 result += endpar->asString(buffer, 0, endpos, label);
955 void LyXText::clearSelection() const
957 selection.set(false);
958 selection.mark(false);
959 last_sel_cursor = selection.end = selection.start = selection.cursor = cursor;
960 // reset this in the bv_owner!
961 if (bv_owner && bv_owner->text)
962 bv_owner->text->xsel_cache.set(false);
966 void LyXText::cursorHome(BufferView * bview) const
968 setCursor(bview, cursor.par(), cursor.row()->pos());
972 void LyXText::cursorEnd(BufferView * bview) const
974 if (!cursor.row()->next()
975 || cursor.row()->next()->par() != cursor.row()->par()) {
976 setCursor(bview, cursor.par(), rowLast(cursor.row()) + 1);
978 if (!cursor.par()->empty() &&
979 (cursor.par()->getChar(rowLast(cursor.row())) == ' '
980 || cursor.par()->isNewline(rowLast(cursor.row())))) {
981 setCursor(bview, cursor.par(), rowLast(cursor.row()));
983 setCursor(bview,cursor.par(),
984 rowLast(cursor.row()) + 1);
990 void LyXText::cursorTop(BufferView * bview) const
992 while (cursor.par()->previous())
993 cursor.par(cursor.par()->previous());
994 setCursor(bview, cursor.par(), 0);
998 void LyXText::cursorBottom(BufferView * bview) const
1000 while (cursor.par()->next())
1001 cursor.par(cursor.par()->next());
1002 setCursor(bview, cursor.par(), cursor.par()->size());
1006 void LyXText::toggleFree(BufferView * bview,
1007 LyXFont const & font, bool toggleall)
1009 // If the mask is completely neutral, tell user
1010 if (font == LyXFont(LyXFont::ALL_IGNORE)) {
1011 // Could only happen with user style
1012 bview->owner()->message(_("No font change defined. Use Character under the Layout menu to define font change."));
1016 // Try implicit word selection
1017 // If there is a change in the language the implicit word selection
1019 LyXCursor resetCursor = cursor;
1020 bool implicitSelection = (font.language() == ignore_language
1021 && font.number() == LyXFont::IGNORE)
1022 ? selectWordWhenUnderCursor(bview, WHOLE_WORD_STRICT) : false;
1025 setFont(bview, font, toggleall);
1027 // Implicit selections are cleared afterwards
1028 //and cursor is set to the original position.
1029 if (implicitSelection) {
1031 cursor = resetCursor;
1032 setCursor(bview, cursor.par(), cursor.pos());
1033 selection.cursor = cursor;
1036 inset_owner->setUpdateStatus(bview, InsetText::CURSOR_PAR);
1040 string LyXText::getStringToIndex(BufferView * bview)
1044 // Try implicit word selection
1045 // If there is a change in the language the implicit word selection
1047 LyXCursor const reset_cursor = cursor;
1048 bool const implicitSelection = selectWordWhenUnderCursor(bview, PREVIOUS_WORD);
1050 if (!selection.set()) {
1051 bview->owner()->message(_("Nothing to index!"));
1054 if (selection.start.par() != selection.end.par()) {
1055 bview->owner()->message(_("Cannot index more than one paragraph!"));
1059 idxstring = selectionAsString(bview->buffer(), false);
1061 // Implicit selections are cleared afterwards
1062 //and cursor is set to the original position.
1063 if (implicitSelection) {
1065 cursor = reset_cursor;
1066 setCursor(bview, cursor.par(), cursor.pos());
1067 selection.cursor = cursor;
1073 pos_type LyXText::beginningOfMainBody(Buffer const * /*buf*/,
1074 Paragraph const * par) const
1076 if (par->layout()->labeltype != LABEL_MANUAL)
1079 return par->beginningOfMainBody();
1083 // the DTP switches for paragraphs. LyX will store them in the first
1084 // physicla paragraph. When a paragraph is broken, the top settings rest,
1085 // the bottom settings are given to the new one. So I can make shure,
1086 // they do not duplicate themself and you cannnot make dirty things with
1089 void LyXText::setParagraph(BufferView * bview,
1090 bool line_top, bool line_bottom,
1091 bool pagebreak_top, bool pagebreak_bottom,
1092 VSpace const & space_top,
1093 VSpace const & space_bottom,
1094 Spacing const & spacing,
1096 string labelwidthstring,
1099 LyXCursor tmpcursor = cursor;
1100 if (!selection.set()) {
1101 selection.start = cursor;
1102 selection.end = cursor;
1105 // make sure that the depth behind the selection are restored, too
1106 Paragraph * endpar = selection.end.par()->next();
1107 Paragraph * undoendpar = endpar;
1109 if (endpar && endpar->getDepth()) {
1110 while (endpar && endpar->getDepth()) {
1111 endpar = endpar->next();
1112 undoendpar = endpar;
1116 // because of parindents etc.
1117 endpar = endpar->next();
1120 setUndo(bview, Undo::EDIT, selection.start.par(), undoendpar);
1123 Paragraph * tmppar = selection.end.par();
1125 while (tmppar != selection.start.par()->previous()) {
1126 setCursor(bview, tmppar, 0);
1127 status(bview, LyXText::NEED_MORE_REFRESH);
1128 refresh_row = cursor.row();
1129 refresh_y = cursor.y() - cursor.row()->baseline();
1130 cursor.par()->params().lineTop(line_top);
1131 cursor.par()->params().lineBottom(line_bottom);
1132 cursor.par()->params().pagebreakTop(pagebreak_top);
1133 cursor.par()->params().pagebreakBottom(pagebreak_bottom);
1134 cursor.par()->params().spaceTop(space_top);
1135 cursor.par()->params().spaceBottom(space_bottom);
1136 cursor.par()->params().spacing(spacing);
1137 // does the layout allow the new alignment?
1138 LyXLayout_ptr const & layout = cursor.par()->layout();
1140 if (align == LYX_ALIGN_LAYOUT)
1141 align = layout->align;
1142 if (align & layout->alignpossible) {
1143 if (align == layout->align)
1144 cursor.par()->params().align(LYX_ALIGN_LAYOUT);
1146 cursor.par()->params().align(align);
1148 cursor.par()->setLabelWidthString(labelwidthstring);
1149 cursor.par()->params().noindent(noindent);
1150 tmppar = cursor.par()->previous();
1153 redoParagraphs(bview, selection.start, endpar);
1156 setCursor(bview, selection.start.par(), selection.start.pos());
1157 selection.cursor = cursor;
1158 setCursor(bview, selection.end.par(), selection.end.pos());
1159 setSelection(bview);
1160 setCursor(bview, tmpcursor.par(), tmpcursor.pos());
1162 bview->updateInset(inset_owner, true);
1166 // set the counter of a paragraph. This includes the labels
1167 void LyXText::setCounter(Buffer const * buf, Paragraph * par) const
1169 LyXTextClass const & textclass = buf->params.getLyXTextClass();
1170 LyXLayout_ptr const & layout = par->layout();
1172 if (par->previous()) {
1174 par->params().appendix(par->previous()->params().appendix());
1175 if (!par->params().appendix() && par->params().startOfAppendix()) {
1176 par->params().appendix(true);
1177 textclass.counters().reset();
1179 par->enumdepth = par->previous()->enumdepth;
1180 par->itemdepth = par->previous()->itemdepth;
1182 par->params().appendix(par->params().startOfAppendix());
1187 /* Maybe we have to increment the enumeration depth.
1188 * BUT, enumeration in a footnote is considered in isolation from its
1189 * surrounding paragraph so don't increment if this is the
1190 * first line of the footnote
1191 * AND, bibliographies can't have their depth changed ie. they
1192 * are always of depth 0
1195 && par->previous()->getDepth() < par->getDepth()
1196 && par->previous()->layout()->labeltype == LABEL_COUNTER_ENUMI
1197 && par->enumdepth < 3
1198 && layout->labeltype != LABEL_BIBLIO) {
1202 // Maybe we have to decrement the enumeration depth, see note above
1204 && par->previous()->getDepth() > par->getDepth()
1205 && layout->labeltype != LABEL_BIBLIO) {
1206 par->enumdepth = par->depthHook(par->getDepth())->enumdepth;
1209 if (!par->params().labelString().empty()) {
1210 par->params().labelString(string());
1213 if (layout->margintype == MARGIN_MANUAL) {
1214 if (par->params().labelWidthString().empty()) {
1215 par->setLabelWidthString(layout->labelstring());
1218 par->setLabelWidthString(string());
1221 // is it a layout that has an automatic label?
1222 if (layout->labeltype >= LABEL_COUNTER_CHAPTER) {
1223 int const i = layout->labeltype - LABEL_COUNTER_CHAPTER;
1227 if (i >= 0 && i <= buf->params.secnumdepth) {
1231 textclass.counters().step(layout->latexname());
1233 // Is there a label? Useful for Chapter layout
1234 if (!par->params().appendix()) {
1235 s << layout->labelstring();
1237 s << layout->labelstring_appendix();
1240 // Use of an integer is here less than elegant. For now.
1241 int head = textclass.maxcounter() - LABEL_COUNTER_CHAPTER;
1242 if (!par->params().appendix()) {
1243 numbertype = "sectioning";
1245 numbertype = "appendix";
1246 if (par->isRightToLeftPar(buf->params))
1247 langtype = "hebrew";
1252 s << textclass.counters()
1253 .numberLabel(layout->latexname(),
1254 numbertype, langtype, head);
1256 par->params().labelString(STRCONV(s.str()));
1258 // reset enum counters
1259 textclass.counters().reset("enum");
1260 } else if (layout->labeltype < LABEL_COUNTER_ENUMI) {
1261 textclass.counters().reset("enum");
1262 } else if (layout->labeltype == LABEL_COUNTER_ENUMI) {
1264 // Yes I know this is a really, really! bad solution
1266 string enumcounter("enum");
1268 switch (par->enumdepth) {
1277 enumcounter += "iv";
1280 // not a valid enumdepth...
1284 textclass.counters().step(enumcounter);
1286 s << textclass.counters()
1287 .numberLabel(enumcounter, "enumeration");
1288 par->params().labelString(STRCONV(s.str()));
1290 } else if (layout->labeltype == LABEL_BIBLIO) {// ale970302
1291 textclass.counters().step("bibitem");
1292 int number = textclass.counters().value("bibitem");
1294 InsetCommandParams p("bibitem");
1295 par->bibkey = new InsetBibKey(p);
1297 par->bibkey->setCounter(number);
1298 par->params().labelString(layout->labelstring());
1300 // In biblio should't be following counters but...
1302 string s = layout->labelstring();
1304 // the caption hack:
1305 if (layout->labeltype == LABEL_SENSITIVE) {
1306 Paragraph * tmppar = par;
1309 while (tmppar && tmppar->inInset()
1310 // the single '=' is intended below
1311 && (in = tmppar->inInset()->owner())) {
1312 if (in->lyxCode() == Inset::FLOAT_CODE ||
1313 in->lyxCode() == Inset::WRAP_CODE) {
1317 tmppar = in->parOwner();
1323 = textclass.floats().getType(static_cast<InsetFloat*>(in)->type());
1325 textclass.counters().step(fl.type());
1327 // Doesn't work... yet.
1328 #warning use boost.format
1329 #if USE_BOOST_FORMAT
1330 s = boost::io::str(boost::format(_("%1$s #:")) % fl.name());
1331 // s << boost::format(_("%1$s %1$d:")
1333 // % buf->counters().value(fl.name());
1336 //o << fl.name() << ' ' << buf->counters().value(fl.name()) << ":";
1337 o << fl.name() << " #:";
1338 s = STRCONV(o.str());
1341 // par->SetLayout(0);
1342 // s = layout->labelstring;
1343 s = _("Senseless: ");
1346 par->params().labelString(s);
1348 // reset the enumeration counter. They are always reset
1349 // when there is any other layout between
1350 // Just fall-through between the cases so that all
1351 // enum counters deeper than enumdepth is also reset.
1352 switch (par->enumdepth) {
1354 textclass.counters().reset("enumi");
1356 textclass.counters().reset("enumii");
1358 textclass.counters().reset("enumiii");
1360 textclass.counters().reset("enumiv");
1366 // Updates all counters. Paragraphs with changed label string will be rebroken
1367 void LyXText::updateCounters(BufferView * bview) const
1369 Row * row = firstrow;
1370 Paragraph * par = row->par();
1372 // CHECK if this is really needed. (Lgb)
1373 bview->buffer()->params.getLyXTextClass().counters().reset();
1376 while (row->par() != par)
1379 string const oldLabel = par->params().labelString();
1381 // setCounter can potentially change the labelString.
1382 setCounter(bview->buffer(), par);
1384 string const & newLabel = par->params().labelString();
1386 if (oldLabel.empty() && !newLabel.empty()) {
1387 removeParagraph(row);
1388 appendParagraph(bview, row);
1396 void LyXText::insertInset(BufferView * bview, Inset * inset)
1398 if (!cursor.par()->insetAllowed(inset->lyxCode()))
1400 setUndo(bview, Undo::FINISH, cursor.par(), cursor.par()->next());
1402 cursor.par()->insertInset(cursor.pos(), inset);
1403 // Just to rebreak and refresh correctly.
1404 // The character will not be inserted a second time
1405 insertChar(bview, Paragraph::META_INSET);
1406 // If we enter a highly editable inset the cursor should be to before
1407 // the inset. This couldn't happen before as Undo was not handled inside
1408 // inset now after the Undo LyX tries to call inset->Edit(...) again
1409 // and cannot do this as the cursor is behind the inset and GetInset
1410 // does not return the inset!
1411 if (isHighlyEditableInset(inset)) {
1412 cursorLeft(bview, true);
1418 void LyXText::copyEnvironmentType()
1420 copylayouttype = cursor.par()->layout()->name();
1424 void LyXText::pasteEnvironmentType(BufferView * bview)
1426 setLayout(bview, copylayouttype);
1430 void LyXText::cutSelection(BufferView * bview, bool doclear, bool realcut)
1432 // Stuff what we got on the clipboard. Even if there is no selection.
1434 // There is a problem with having the stuffing here in that the
1435 // larger the selection the slower LyX will get. This can be
1436 // solved by running the line below only when the selection has
1437 // finished. The solution used currently just works, to make it
1438 // faster we need to be more clever and probably also have more
1439 // calls to stuffClipboard. (Lgb)
1440 bview->stuffClipboard(selectionAsString(bview->buffer(), true));
1442 // This doesn't make sense, if there is no selection
1443 if (!selection.set())
1446 // OK, we have a selection. This is always between selection.start
1447 // and selection.end
1449 // make sure that the depth behind the selection are restored, too
1450 Paragraph * endpar = selection.end.par()->next();
1451 Paragraph * undoendpar = endpar;
1453 if (endpar && endpar->getDepth()) {
1454 while (endpar && endpar->getDepth()) {
1455 endpar = endpar->next();
1456 undoendpar = endpar;
1458 } else if (endpar) {
1459 endpar = endpar->next(); // because of parindents etc.
1462 setUndo(bview, Undo::DELETE,
1463 selection.start.par(), undoendpar);
1465 // there are two cases: cut only within one paragraph or
1466 // more than one paragraph
1467 if (selection.start.par() == selection.end.par()) {
1468 // only within one paragraph
1469 endpar = selection.end.par();
1470 int pos = selection.end.pos();
1471 CutAndPaste::cutSelection(selection.start.par(), &endpar,
1472 selection.start.pos(), pos,
1473 bview->buffer()->params.textclass,
1475 selection.end.pos(pos);
1477 endpar = selection.end.par();
1478 int pos = selection.end.pos();
1479 CutAndPaste::cutSelection(selection.start.par(), &endpar,
1480 selection.start.pos(), pos,
1481 bview->buffer()->params.textclass,
1484 selection.end.par(endpar);
1485 selection.end.pos(pos);
1486 cursor.pos(selection.end.pos());
1488 endpar = endpar->next();
1490 // sometimes necessary
1492 selection.start.par()->stripLeadingSpaces();
1494 redoParagraphs(bview, selection.start, endpar);
1496 // cutSelection can invalidate the cursor so we need to set
1498 cursor = selection.start;
1500 // need a valid cursor. (Lgb)
1503 setCursor(bview, cursor.par(), cursor.pos());
1504 selection.cursor = cursor;
1505 updateCounters(bview);
1509 void LyXText::copySelection(BufferView * bview)
1511 // stuff the selection onto the X clipboard, from an explicit copy request
1512 bview->stuffClipboard(selectionAsString(bview->buffer(), true));
1514 // this doesnt make sense, if there is no selection
1515 if (!selection.set())
1518 // ok we have a selection. This is always between selection.start
1519 // and sel_end cursor
1521 // copy behind a space if there is one
1522 while (selection.start.par()->size() > selection.start.pos()
1523 && selection.start.par()->isLineSeparator(selection.start.pos())
1524 && (selection.start.par() != selection.end.par()
1525 || selection.start.pos() < selection.end.pos()))
1526 selection.start.pos(selection.start.pos() + 1);
1528 CutAndPaste::copySelection(selection.start.par(), selection.end.par(),
1529 selection.start.pos(), selection.end.pos(),
1530 bview->buffer()->params.textclass);
1534 void LyXText::pasteSelection(BufferView * bview)
1536 // this does not make sense, if there is nothing to paste
1537 if (!CutAndPaste::checkPastePossible(cursor.par()))
1540 setUndo(bview, Undo::INSERT,
1541 cursor.par(), cursor.par()->next());
1544 Paragraph * actpar = cursor.par();
1545 int pos = cursor.pos();
1547 CutAndPaste::pasteSelection(&actpar, &endpar, pos,
1548 bview->buffer()->params.textclass);
1550 redoParagraphs(bview, cursor, endpar);
1552 setCursor(bview, cursor.par(), cursor.pos());
1555 selection.cursor = cursor;
1556 setCursor(bview, actpar, pos);
1557 setSelection(bview);
1558 updateCounters(bview);
1562 // sets the selection over the number of characters of string, no check!!
1563 void LyXText::setSelectionOverString(BufferView * bview, string const & str)
1568 selection.cursor = cursor;
1569 for (string::size_type i = 0; i < str.length(); ++i)
1571 setSelection(bview);
1575 // simple replacing. The font of the first selected character is used
1576 void LyXText::replaceSelectionWithString(BufferView * bview,
1579 setCursorParUndo(bview);
1582 if (!selection.set()) { // create a dummy selection
1583 selection.end = cursor;
1584 selection.start = cursor;
1587 // Get font setting before we cut
1588 pos_type pos = selection.end.pos();
1589 LyXFont const font = selection.start.par()
1590 ->getFontSettings(bview->buffer()->params,
1591 selection.start.pos());
1593 // Insert the new string
1594 for (string::const_iterator cit = str.begin(); cit != str.end(); ++cit) {
1595 selection.end.par()->insertChar(pos, (*cit), font);
1599 // Cut the selection
1600 cutSelection(bview, true, false);
1606 // needed to insert the selection
1607 void LyXText::insertStringAsLines(BufferView * bview, string const & str)
1609 Paragraph * par = cursor.par();
1610 pos_type pos = cursor.pos();
1611 Paragraph * endpar = cursor.par()->next();
1613 setCursorParUndo(bview);
1615 // only to be sure, should not be neccessary
1618 bview->buffer()->insertStringAsLines(par, pos, current_font, str);
1620 redoParagraphs(bview, cursor, endpar);
1621 setCursor(bview, cursor.par(), cursor.pos());
1622 selection.cursor = cursor;
1623 setCursor(bview, par, pos);
1624 setSelection(bview);
1628 // turns double-CR to single CR, others where converted into one
1629 // blank. Then InsertStringAsLines is called
1630 void LyXText::insertStringAsParagraphs(BufferView * bview, string const & str)
1632 string linestr(str);
1633 bool newline_inserted = false;
1634 for (string::size_type i = 0; i < linestr.length(); ++i) {
1635 if (linestr[i] == '\n') {
1636 if (newline_inserted) {
1637 // we know that \r will be ignored by
1638 // InsertStringA. Of course, it is a dirty
1639 // trick, but it works...
1640 linestr[i - 1] = '\r';
1644 newline_inserted = true;
1646 } else if (IsPrintable(linestr[i])) {
1647 newline_inserted = false;
1650 insertStringAsLines(bview, linestr);
1654 void LyXText::checkParagraph(BufferView * bview, Paragraph * par,
1657 LyXCursor tmpcursor;
1661 Row * row = getRow(par, pos, y);
1663 // is there a break one row above
1664 if (row->previous() && row->previous()->par() == row->par()) {
1665 z = nextBreakPoint(bview, row->previous(), workWidth(bview));
1666 if (z >= row->pos()) {
1667 // set the dimensions of the row above
1668 y -= row->previous()->height();
1670 refresh_row = row->previous();
1671 status(bview, LyXText::NEED_MORE_REFRESH);
1673 breakAgain(bview, row->previous());
1675 // set the cursor again. Otherwise
1676 // dangling pointers are possible
1677 setCursor(bview, cursor.par(), cursor.pos(),
1678 false, cursor.boundary());
1679 selection.cursor = cursor;
1684 int const tmpheight = row->height();
1685 pos_type const tmplast = rowLast(row);
1689 breakAgain(bview, row);
1690 if (row->height() == tmpheight && rowLast(row) == tmplast)
1691 status(bview, LyXText::NEED_VERY_LITTLE_REFRESH);
1693 status(bview, LyXText::NEED_MORE_REFRESH);
1695 // check the special right address boxes
1696 if (par->layout()->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
1703 redoDrawingOfParagraph(bview, tmpcursor);
1706 // set the cursor again. Otherwise dangling pointers are possible
1707 // also set the selection
1709 if (selection.set()) {
1711 setCursorIntern(bview, selection.cursor.par(), selection.cursor.pos(),
1712 false, selection.cursor.boundary());
1713 selection.cursor = cursor;
1714 setCursorIntern(bview, selection.start.par(),
1715 selection.start.pos(),
1716 false, selection.start.boundary());
1717 selection.start = cursor;
1718 setCursorIntern(bview, selection.end.par(),
1719 selection.end.pos(),
1720 false, selection.end.boundary());
1721 selection.end = cursor;
1722 setCursorIntern(bview, last_sel_cursor.par(),
1723 last_sel_cursor.pos(),
1724 false, last_sel_cursor.boundary());
1725 last_sel_cursor = cursor;
1728 setCursorIntern(bview, cursor.par(), cursor.pos(),
1729 false, cursor.boundary());
1733 // returns false if inset wasn't found
1734 bool LyXText::updateInset(BufferView * bview, Inset * inset)
1736 // first check the current paragraph
1737 int pos = cursor.par()->getPositionOfInset(inset);
1739 checkParagraph(bview, cursor.par(), pos);
1743 // check every paragraph
1745 Paragraph * par = ownerParagraph();
1747 pos = par->getPositionOfInset(inset);
1749 checkParagraph(bview, par, pos);
1759 bool LyXText::setCursor(BufferView * bview, Paragraph * par,
1761 bool setfont, bool boundary) const
1763 LyXCursor old_cursor = cursor;
1764 setCursorIntern(bview, par, pos, setfont, boundary);
1765 return deleteEmptyParagraphMechanism(bview, old_cursor);
1769 void LyXText::setCursor(BufferView * bview, LyXCursor & cur, Paragraph * par,
1770 pos_type pos, bool boundary) const
1777 cur.boundary(boundary);
1779 // get the cursor y position in text
1781 Row * row = getRow(par, pos, y);
1782 Row * old_row = row;
1784 // if we are before the first char of this row and are still in the
1785 // same paragraph and there is a previous row then put the cursor on
1786 // the end of the previous row
1787 cur.iy(y + row->baseline());
1789 if (row->previous() && pos &&
1790 row->previous()->par() == row->par() &&
1791 par->getChar(pos) == Paragraph::META_INSET &&
1792 (ins=par->getInset(pos)) && (ins->needFullRow() || ins->display()))
1794 row = row->previous();
1799 // y is now the beginning of the cursor row
1800 y += row->baseline();
1801 // y is now the cursor baseline
1804 pos_type last = rowLastPrintable(old_row);
1806 if (pos > last + 1) {
1807 // This shouldn't happen.
1810 } else if (pos < row->pos()) {
1815 // now get the cursors x position
1816 float x = getCursorX(bview, row, pos, last, boundary);
1819 if (old_row != row) {
1820 x = getCursorX(bview, old_row, pos, last, boundary);
1827 float LyXText::getCursorX(BufferView * bview, Row * row,
1828 pos_type pos, pos_type last, bool boundary) const
1830 pos_type cursor_vpos = 0;
1832 float fill_separator;
1834 float fill_label_hfill;
1835 // This call HAS to be here because of the BidiTables!!!
1836 prepareToPrint(bview, row, x, fill_separator, fill_hfill,
1839 if (last < row->pos())
1840 cursor_vpos = row->pos();
1841 else if (pos > last && !boundary)
1842 cursor_vpos = (row->par()->isRightToLeftPar(bview->buffer()->params))
1843 ? row->pos() : last + 1;
1844 else if (pos > row->pos() &&
1845 (pos > last || boundary))
1846 /// Place cursor after char at (logical) position pos - 1
1847 cursor_vpos = (bidi_level(pos - 1) % 2 == 0)
1848 ? log2vis(pos - 1) + 1 : log2vis(pos - 1);
1850 /// Place cursor before char at (logical) position pos
1851 cursor_vpos = (bidi_level(pos) % 2 == 0)
1852 ? log2vis(pos) : log2vis(pos) + 1;
1854 pos_type main_body =
1855 beginningOfMainBody(bview->buffer(), row->par());
1856 if ((main_body > 0) &&
1857 ((main_body-1 > last) ||
1858 !row->par()->isLineSeparator(main_body-1)))
1861 for (pos_type vpos = row->pos(); vpos < cursor_vpos; ++vpos) {
1862 pos_type pos = vis2log(vpos);
1863 if (main_body > 0 && pos == main_body - 1) {
1864 x += fill_label_hfill +
1865 font_metrics::width(
1866 row->par()->layout()->labelsep,
1867 getLabelFont(bview->buffer(),
1869 if (row->par()->isLineSeparator(main_body - 1))
1870 x -= singleWidth(bview,
1871 row->par(), main_body - 1);
1873 if (hfillExpansion(bview->buffer(), row, pos)) {
1874 x += singleWidth(bview, row->par(), pos);
1875 if (pos >= main_body)
1878 x += fill_label_hfill;
1879 } else if (row->par()->isSeparator(pos)) {
1880 x += singleWidth(bview, row->par(), pos);
1881 if (pos >= main_body)
1882 x += fill_separator;
1884 x += singleWidth(bview, row->par(), pos);
1890 void LyXText::setCursorIntern(BufferView * bview, Paragraph * par,
1891 pos_type pos, bool setfont, bool boundary) const
1893 InsetText * it = static_cast<InsetText *>(par->inInset());
1895 if (it != inset_owner) {
1896 lyxerr[Debug::INSETS] << "InsetText is " << it
1898 << "inset_owner is "
1899 << inset_owner << endl;
1900 #ifdef WITH_WARNINGS
1901 #warning I believe this code is wrong. (Lgb)
1902 #warning Jürgen, have a look at this. (Lgb)
1903 #warning Hmmm, I guess you are right but we
1904 #warning should verify when this is needed
1906 // Jürgen, would you like to have a look?
1907 // I guess we need to move the outer cursor
1908 // and open and lock the inset (bla bla bla)
1909 // stuff I don't know... so can you have a look?
1911 // I moved the lyxerr stuff in here so we can see if
1912 // this is actually really needed and where!
1914 // it->getLyXText(bview)->setCursorIntern(bview, par, pos, setfont, boundary);
1919 setCursor(bview, cursor, par, pos, boundary);
1921 setCurrentFont(bview);
1925 void LyXText::setCurrentFont(BufferView * bview) const
1927 pos_type pos = cursor.pos();
1928 if (cursor.boundary() && pos > 0)
1932 if (pos == cursor.par()->size())
1934 else // potentional bug... BUG (Lgb)
1935 if (cursor.par()->isSeparator(pos)) {
1936 if (pos > cursor.row()->pos() &&
1937 bidi_level(pos) % 2 ==
1938 bidi_level(pos - 1) % 2)
1940 else if (pos + 1 < cursor.par()->size())
1946 cursor.par()->getFontSettings(bview->buffer()->params, pos);
1947 real_current_font = getFont(bview->buffer(), cursor.par(), pos);
1949 if (cursor.pos() == cursor.par()->size() &&
1950 isBoundary(bview->buffer(), cursor.par(), cursor.pos()) &&
1951 !cursor.boundary()) {
1952 Language const * lang =
1953 cursor.par()->getParLanguage(bview->buffer()->params);
1954 current_font.setLanguage(lang);
1955 current_font.setNumber(LyXFont::OFF);
1956 real_current_font.setLanguage(lang);
1957 real_current_font.setNumber(LyXFont::OFF);
1962 void LyXText::setCursorFromCoordinates(BufferView * bview, int x, int y) const
1964 LyXCursor old_cursor = cursor;
1966 setCursorFromCoordinates(bview, cursor, x, y);
1967 setCurrentFont(bview);
1968 deleteEmptyParagraphMechanism(bview, old_cursor);
1975 * return true if the cursor given is at the end of a row,
1976 * and the next row is filled by an inset that spans an entire
1979 bool beforeFullRowInset(Row & row, LyXCursor & cur) {
1982 Row const & next = *row.next();
1984 if (next.pos() != cur.pos() || next.par() != cur.par())
1986 if (!cur.par()->isInset(cur.pos()))
1988 Inset const * inset = cur.par()->getInset(cur.pos());
1989 if (inset->needFullRow() || inset->display())
1996 void LyXText::setCursorFromCoordinates(BufferView * bview, LyXCursor & cur,
1999 // Get the row first.
2001 Row * row = getRowNearY(y);
2003 pos_type const column = getColumnNearX(bview, row, x, bound);
2004 cur.par(row->par());
2005 cur.pos(row->pos() + column);
2007 cur.y(y + row->baseline());
2010 if (beforeFullRowInset(*row, cur)) {
2011 pos_type last = rowLastPrintable(row);
2012 float x = getCursorX(bview, row->next(), cur.pos(), last, bound);
2014 cur.iy(y + row->height() + row->next()->baseline());
2015 cur.irow(row->next());
2021 cur.boundary(bound);
2025 void LyXText::cursorLeft(BufferView * bview, bool internal) const
2027 if (cursor.pos() > 0) {
2028 bool boundary = cursor.boundary();
2029 setCursor(bview, cursor.par(), cursor.pos() - 1, true, false);
2030 if (!internal && !boundary &&
2031 isBoundary(bview->buffer(), cursor.par(), cursor.pos() + 1))
2032 setCursor(bview, cursor.par(), cursor.pos() + 1, true, true);
2033 } else if (cursor.par()->previous()) { // steps into the above paragraph.
2034 Paragraph * par = cursor.par()->previous();
2035 setCursor(bview, par, par->size());
2040 void LyXText::cursorRight(BufferView * bview, bool internal) const
2042 if (!internal && cursor.boundary() &&
2043 !cursor.par()->isNewline(cursor.pos()))
2044 setCursor(bview, cursor.par(), cursor.pos(), true, false);
2045 else if (cursor.pos() < cursor.par()->size()) {
2046 setCursor(bview, cursor.par(), cursor.pos() + 1, true, false);
2048 isBoundary(bview->buffer(), cursor.par(), cursor.pos()))
2049 setCursor(bview, cursor.par(), cursor.pos(), true, true);
2050 } else if (cursor.par()->next())
2051 setCursor(bview, cursor.par()->next(), 0);
2055 void LyXText::cursorUp(BufferView * bview, bool selecting) const
2058 int x = cursor.x_fix();
2059 int y = cursor.y() - cursor.row()->baseline() - 1;
2060 setCursorFromCoordinates(bview, x, y);
2062 int y1 = cursor.iy() - first_y;
2065 Inset * inset_hit = checkInsetHit(bview, x, y1);
2066 if (inset_hit && isHighlyEditableInset(inset_hit)) {
2067 inset_hit->edit(bview, x, y - (y2 - y1), mouse_button::none);
2071 setCursorFromCoordinates(bview, cursor.x_fix(),
2072 cursor.y() - cursor.row()->baseline() - 1);
2077 void LyXText::cursorDown(BufferView * bview, bool selecting) const
2080 int x = cursor.x_fix();
2081 int y = cursor.y() - cursor.row()->baseline() +
2082 cursor.row()->height() + 1;
2083 setCursorFromCoordinates(bview, x, y);
2084 if (!selecting && cursor.row() == cursor.irow()) {
2085 int y1 = cursor.iy() - first_y;
2088 Inset * inset_hit = checkInsetHit(bview, x, y1);
2089 if (inset_hit && isHighlyEditableInset(inset_hit)) {
2090 inset_hit->edit(bview, x, y - (y2 - y1), mouse_button::none);
2094 setCursorFromCoordinates(bview, cursor.x_fix(),
2095 cursor.y() - cursor.row()->baseline()
2096 + cursor.row()->height() + 1);
2101 void LyXText::cursorUpParagraph(BufferView * bview) const
2103 if (cursor.pos() > 0) {
2104 setCursor(bview, cursor.par(), 0);
2106 else if (cursor.par()->previous()) {
2107 setCursor(bview, cursor.par()->previous(), 0);
2112 void LyXText::cursorDownParagraph(BufferView * bview) const
2114 if (cursor.par()->next()) {
2115 setCursor(bview, cursor.par()->next(), 0);
2117 setCursor(bview, cursor.par(), cursor.par()->size());
2121 // fix the cursor `cur' after a characters has been deleted at `where'
2122 // position. Called by deleteEmptyParagraphMechanism
2123 void LyXText::fixCursorAfterDelete(BufferView * bview,
2125 LyXCursor const & where) const
2127 // if cursor is not in the paragraph where the delete occured,
2129 if (cur.par() != where.par())
2132 // if cursor position is after the place where the delete occured,
2134 if (cur.pos() > where.pos())
2135 cur.pos(cur.pos()-1);
2137 // check also if we don't want to set the cursor on a spot behind the
2138 // pagragraph because we erased the last character.
2139 if (cur.pos() > cur.par()->size())
2140 cur.pos(cur.par()->size());
2142 // recompute row et al. for this cursor
2143 setCursor(bview, cur, cur.par(), cur.pos(), cur.boundary());
2147 bool LyXText::deleteEmptyParagraphMechanism(BufferView * bview,
2148 LyXCursor const & old_cursor) const
2150 // Would be wrong to delete anything if we have a selection.
2151 if (selection.set())
2154 // We allow all kinds of "mumbo-jumbo" when freespacing.
2155 if (old_cursor.par()->layout()->free_spacing
2156 || old_cursor.par()->isFreeSpacing()) {
2160 /* Ok I'll put some comments here about what is missing.
2161 I have fixed BackSpace (and thus Delete) to not delete
2162 double-spaces automagically. I have also changed Cut,
2163 Copy and Paste to hopefully do some sensible things.
2164 There are still some small problems that can lead to
2165 double spaces stored in the document file or space at
2166 the beginning of paragraphs. This happens if you have
2167 the cursor betwenn to spaces and then save. Or if you
2168 cut and paste and the selection have a space at the
2169 beginning and then save right after the paste. I am
2170 sure none of these are very hard to fix, but I will
2171 put out 1.1.4pre2 with FIX_DOUBLE_SPACE defined so
2172 that I can get some feedback. (Lgb)
2175 // If old_cursor.pos() == 0 and old_cursor.pos()(1) == LineSeparator
2176 // delete the LineSeparator.
2179 // If old_cursor.pos() == 1 and old_cursor.pos()(0) == LineSeparator
2180 // delete the LineSeparator.
2183 // If the pos around the old_cursor were spaces, delete one of them.
2184 if (old_cursor.par() != cursor.par()
2185 || old_cursor.pos() != cursor.pos()) {
2186 // Only if the cursor has really moved
2188 if (old_cursor.pos() > 0
2189 && old_cursor.pos() < old_cursor.par()->size()
2190 && old_cursor.par()->isLineSeparator(old_cursor.pos())
2191 && old_cursor.par()->isLineSeparator(old_cursor.pos() - 1)) {
2192 old_cursor.par()->erase(old_cursor.pos() - 1);
2193 redoParagraphs(bview, old_cursor, old_cursor.par()->next());
2195 #ifdef WITH_WARNINGS
2196 #warning This will not work anymore when we have multiple views of the same buffer
2197 // In this case, we will have to correct also the cursors held by
2198 // other bufferviews. It will probably be easier to do that in a more
2199 // automated way in LyXCursor code. (JMarc 26/09/2001)
2201 // correct all cursors held by the LyXText
2202 fixCursorAfterDelete(bview, cursor, old_cursor);
2203 fixCursorAfterDelete(bview, selection.cursor,
2205 fixCursorAfterDelete(bview, selection.start,
2207 fixCursorAfterDelete(bview, selection.end, old_cursor);
2208 fixCursorAfterDelete(bview, last_sel_cursor,
2210 fixCursorAfterDelete(bview, toggle_cursor, old_cursor);
2211 fixCursorAfterDelete(bview, toggle_end_cursor,
2217 // don't delete anything if this is the ONLY paragraph!
2218 if (!old_cursor.par()->next() && !old_cursor.par()->previous())
2221 // Do not delete empty paragraphs with keepempty set.
2222 if (old_cursor.par()->layout()->keepempty)
2225 // only do our magic if we changed paragraph
2226 if (old_cursor.par() == cursor.par())
2229 // record if we have deleted a paragraph
2230 // we can't possibly have deleted a paragraph before this point
2231 bool deleted = false;
2233 if ((old_cursor.par()->empty()
2234 || (old_cursor.par()->size() == 1
2235 && old_cursor.par()->isLineSeparator(0)))) {
2236 // ok, we will delete anything
2237 LyXCursor tmpcursor;
2239 // make sure that you do not delete any environments
2240 status(bview, LyXText::NEED_MORE_REFRESH);
2243 if (old_cursor.row()->previous()) {
2244 refresh_row = old_cursor.row()->previous();
2245 refresh_y = old_cursor.y() - old_cursor.row()->baseline() - refresh_row->height();
2247 cursor = old_cursor; // that undo can restore the right cursor position
2248 Paragraph * endpar = old_cursor.par()->next();
2249 if (endpar && endpar->getDepth()) {
2250 while (endpar && endpar->getDepth()) {
2251 endpar = endpar->next();
2254 setUndo(bview, Undo::DELETE, old_cursor.par(), endpar);
2258 removeRow(old_cursor.row());
2259 if (ownerParagraph() == old_cursor.par()) {
2260 ownerParagraph(ownerParagraph()->next());
2263 delete old_cursor.par();
2265 /* Breakagain the next par. Needed because of
2266 * the parindent that can occur or dissappear.
2267 * The next row can change its height, if
2268 * there is another layout before */
2269 if (refresh_row->next()) {
2270 breakAgain(bview, refresh_row->next());
2271 updateCounters(bview);
2273 setHeightOfRow(bview, refresh_row);
2275 refresh_row = old_cursor.row()->next();
2276 refresh_y = old_cursor.y() - old_cursor.row()->baseline();
2279 cursor = old_cursor; // that undo can restore the right cursor position
2280 Paragraph * endpar = old_cursor.par()->next();
2281 if (endpar && endpar->getDepth()) {
2282 while (endpar && endpar->getDepth()) {
2283 endpar = endpar->next();
2286 setUndo(bview, Undo::DELETE, old_cursor.par(), endpar);
2290 removeRow(old_cursor.row());
2292 if (ownerParagraph() == old_cursor.par()) {
2293 ownerParagraph(ownerParagraph()->next());
2296 delete old_cursor.par();
2298 /* Breakagain the next par. Needed because of
2299 the parindent that can occur or dissappear.
2300 The next row can change its height, if
2301 there is another layout before */
2303 breakAgain(bview, refresh_row);
2304 updateCounters(bview);
2309 setCursorIntern(bview, cursor.par(), cursor.pos());
2311 if (selection.cursor.par() == old_cursor.par()
2312 && selection.cursor.pos() == old_cursor.pos()) {
2313 // correct selection
2314 selection.cursor = cursor;
2318 if (old_cursor.par()->stripLeadingSpaces()) {
2319 redoParagraphs(bview, old_cursor,
2320 old_cursor.par()->next());
2322 setCursorIntern(bview, cursor.par(), cursor.pos());
2323 selection.cursor = cursor;
2330 Paragraph * LyXText::ownerParagraph() const
2333 return inset_owner->paragraph();
2335 return &*(bv_owner->buffer()->paragraphs.begin());
2339 void LyXText::ownerParagraph(Paragraph * p) const
2342 inset_owner->paragraph(p);
2344 bv_owner->buffer()->paragraphs.set(p);
2349 void LyXText::ownerParagraph(int id, Paragraph * p) const
2351 Paragraph * op = bv_owner->buffer()->getParFromID(id);
2352 if (op && op->inInset()) {
2353 static_cast<InsetText *>(op->inInset())->paragraph(p);
2360 LyXText::text_status LyXText::status() const
2366 void LyXText::status(BufferView * bview, LyXText::text_status st) const
2368 LyXText * t = bview->text;
2370 // We should only go up with refreshing code so this means that if
2371 // we have a MORE refresh we should never set it to LITTLE if we still
2372 // didn't handle it (and then it will be UNCHANGED. Now as long as
2373 // we stay inside one LyXText this may work but we need to tell the
2374 // outermost LyXText that it should REALLY draw us if there is some
2375 // change in a Inset::LyXText. So you see that when we are inside a
2376 // inset's LyXText we give the LITTLE to the outermost LyXText to
2377 // tell'em that it should redraw the actual row (where the inset
2378 // resides! Capito?!
2380 if (status_ != NEED_MORE_REFRESH || st != NEED_VERY_LITTLE_REFRESH) {
2382 if (inset_owner && st != UNCHANGED) {
2383 t->status(bview, NEED_VERY_LITTLE_REFRESH);
2384 if (!t->refresh_row) {
2385 t->refresh_row = t->cursor.row();
2386 t->refresh_y = t->cursor.y() -
2387 t->cursor.row()->baseline();