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 "lyxtextclasslist.h"
22 #include "undo_funcs.h"
24 #include "bufferparams.h"
26 #include "BufferView.h"
28 #include "CutAndPaste.h"
34 #include "FloatList.h"
36 #include "ParagraphParameters.h"
38 #include "insets/inseterror.h"
39 #include "insets/insetbib.h"
40 #include "insets/insetspecialchar.h"
41 #include "insets/insettext.h"
42 #include "insets/insetfloat.h"
44 #include "support/LAssert.h"
45 #include "support/textutils.h"
46 #include "support/lstrings.h"
57 LyXText::LyXText(BufferView * bv)
58 : number_of_rows(0), height(0), width(0), first_y(0),
59 bv_owner(bv), inset_owner(0), the_locking_inset(0),
60 need_break_row(0), refresh_y(0), refresh_row(0),
61 status_(LyXText::UNCHANGED), firstrow(0), lastrow(0)
65 LyXText::LyXText(InsetText * inset)
66 : number_of_rows(0), height(0), width(0), first_y(0),
67 bv_owner(0), inset_owner(inset), the_locking_inset(0),
68 need_break_row(0), refresh_y(0), refresh_row(0),
69 status_(LyXText::UNCHANGED), firstrow(0), lastrow(0)
73 void LyXText::init(BufferView * bview, bool reinit)
76 // Delete all rows, this does not touch the paragraphs!
77 Row * tmprow = firstrow;
79 tmprow = firstrow->next();
88 copylayouttype.erase();
89 number_of_rows = first_y = refresh_y = 0;
90 status_ = LyXText::UNCHANGED;
94 Paragraph * par = ownerParagraph();
95 current_font = getFont(bview->buffer(), par, 0);
98 insertParagraph(bview, par, lastrow);
101 setCursorIntern(bview, firstrow->par(), 0);
102 selection.cursor = cursor;
108 // Delete all rows, this does not touch the paragraphs!
109 Row * tmprow = firstrow;
111 tmprow = firstrow->next();
120 LyXFont const realizeFont(LyXFont const & font,
124 LyXFont tmpfont(font);
125 Paragraph::depth_type par_depth = par->getDepth();
127 // Resolve against environment font information
128 while (par && par_depth && !tmpfont.resolved()) {
129 par = par->outerHook();
131 #ifndef INHERIT_LANGUAGE
132 tmpfont.realize(textclasslist[buf->params.textclass][
133 par->layout()].font);
135 tmpfont.realize(textclasslist.
136 Style(buf->params.textclass,
138 buf->params.language);
140 par_depth = par->getDepth();
144 #ifndef INHERIT_LANGUAGE
145 tmpfont.realize(textclasslist[buf->params.textclass].defaultfont());
147 tmpfont.realize(textclasslist[buf->params.textclass].defaultfont(),
148 buf->params.language);
157 // Gets the fully instantiated font at a given position in a paragraph
158 // Basically the same routine as Paragraph::getFont() in paragraph.C.
159 // The difference is that this one is used for displaying, and thus we
160 // are allowed to make cosmetic improvements. For instance make footnotes
162 // If position is -1, we get the layout font of the paragraph.
163 // If position is -2, we get the font of the manual label of the paragraph.
164 LyXFont const LyXText::getFont(Buffer const * buf, Paragraph * par,
167 lyx::Assert(pos >= 0);
169 LyXLayout const & layout =
170 textclasslist[buf->params.textclass][par->layout()];
172 Paragraph::depth_type par_depth = par->getDepth();
173 // We specialize the 95% common case:
175 if (layout.labeltype == LABEL_MANUAL
176 && pos < beginningOfMainBody(buf, par)) {
178 LyXFont f = par->getFontSettings(buf->params, pos);
180 par->inInset()->getDrawFont(f);
181 #ifndef INHERIT_LANGUAGE
182 return f.realize(layout.reslabelfont);
184 return f.realize(layout.reslabelfont, buf->params.language);
187 LyXFont f = par->getFontSettings(buf->params, pos);
189 par->inInset()->getDrawFont(f);
190 #ifndef INHERIT_LANGUAGE
191 return f.realize(layout.resfont);
193 return f.realize(layout.resfont, buf->params.language);
198 // The uncommon case need not be optimized as much
202 if (pos < beginningOfMainBody(buf, par)) {
204 layoutfont = layout.labelfont;
207 layoutfont = layout.font;
210 LyXFont tmpfont = par->getFontSettings(buf->params, pos);
211 #ifndef INHERIT_LANGUAGE
212 tmpfont.realize(layoutfont);
214 tmpfont.realize(layoutfont, buf->params.language);
217 par->inInset()->getDrawFont(tmpfont);
219 return realizeFont(tmpfont, buf, par);
223 LyXFont const LyXText::getLayoutFont(Buffer const * buf, Paragraph * par) const
225 LyXLayout const & layout =
226 textclasslist[buf->params.textclass][par->layout()];
228 Paragraph::depth_type par_depth = par->getDepth();
231 return layout.resfont;
234 return realizeFont(layout.font, buf, par);
238 LyXFont const LyXText::getLabelFont(Buffer const * buf, Paragraph * par) const
240 LyXLayout const & layout =
241 textclasslist[buf->params.textclass][par->layout()];
243 Paragraph::depth_type par_depth = par->getDepth();
246 return layout.reslabelfont;
249 return realizeFont(layout.labelfont, buf, par);
253 void LyXText::setCharFont(BufferView * bv, Paragraph * par,
254 pos_type pos, LyXFont const & fnt,
257 Buffer const * buf = bv->buffer();
258 LyXFont font = getFont(buf, par, pos);
259 font.update(fnt, buf->params.language, toggleall);
260 // Let the insets convert their font
261 if (par->isInset(pos)) {
262 Inset * inset = par->getInset(pos);
263 if (isEditableInset(inset)) {
264 UpdatableInset * uinset =
265 static_cast<UpdatableInset *>(inset);
266 uinset->setFont(bv, fnt, toggleall, true);
270 // Plug thru to version below:
271 setCharFont(buf, par, pos, font);
275 void LyXText::setCharFont(Buffer const * buf, Paragraph * par,
276 pos_type pos, LyXFont const & fnt)
280 LyXTextClass const & tclass = textclasslist[buf->params.textclass];
281 LyXLayout const & layout = tclass[par->layout()];
283 // Get concrete layout font to reduce against
286 if (pos < beginningOfMainBody(buf, par))
287 layoutfont = layout.labelfont;
289 layoutfont = layout.font;
291 // Realize against environment font information
292 if (par->getDepth()) {
293 Paragraph * tp = par;
294 while (!layoutfont.resolved() && tp && tp->getDepth()) {
295 tp = tp->outerHook();
297 #ifndef INHERIT_LANGUAGE
298 layoutfont.realize(tclass[tp->layout()].font);
300 layoutfont.realize(textclasslist.
301 Style(buf->params.textclass,
303 buf->params.language);
308 #ifndef INHERIT_LANGUAGE
309 layoutfont.realize(tclass.defaultfont());
311 layoutfont.realize(tclass.defaultfont(), buf->params.language);
314 // Now, reduce font against full layout font
315 font.reduce(layoutfont);
317 par->setFont(pos, font);
321 // inserts a new row behind the specified row, increments
322 // the touched counters
323 void LyXText::insertRow(Row * row, Paragraph * par,
326 Row * tmprow = new Row;
329 tmprow->next(firstrow);
332 tmprow->previous(row);
333 tmprow->next(row->next());
338 tmprow->next()->previous(tmprow);
340 if (tmprow->previous())
341 tmprow->previous()->next(tmprow);
353 // removes the row and reset the touched counters
354 void LyXText::removeRow(Row * row) const
356 Row * row_prev = row->previous();
358 row->next()->previous(row_prev);
360 firstrow = row->next();
361 // lyx::Assert(firstrow);
363 row_prev->next(row->next());
365 if (row == lastrow) {
366 lyx::Assert(!row->next());
369 if (refresh_row == row) {
370 refresh_row = row_prev ? row_prev : row->next();
371 // what about refresh_y, refresh_height
374 height -= row->height(); // the text becomes smaller
377 --number_of_rows; // one row less
381 // remove all following rows of the paragraph of the specified row.
382 void LyXText::removeParagraph(Row * row) const
384 Paragraph * tmppar = row->par();
388 while (row && row->par() == tmppar) {
389 tmprow = row->next();
396 // insert the specified paragraph behind the specified row
397 void LyXText::insertParagraph(BufferView * bview, Paragraph * par,
400 insertRow(row, par, 0); /* insert a new row, starting
403 setCounter(bview->buffer(), par); // set the counters
405 // and now append the whole paragraph behind the new row
408 appendParagraph(bview, firstrow);
410 row->next()->height(0);
411 appendParagraph(bview, row->next());
416 Inset * LyXText::getInset() const
419 if (cursor.pos() == 0 && cursor.par()->bibkey) {
420 inset = cursor.par()->bibkey;
421 } else if (cursor.pos() < cursor.par()->size()
422 && cursor.par()->isInset(cursor.pos())) {
423 inset = cursor.par()->getInset(cursor.pos());
429 void LyXText::toggleInset(BufferView * bview)
431 Inset * inset = getInset();
432 // is there an editable inset at cursor position?
433 if (!isEditableInset(inset)) {
434 // No, try to see if we are inside a collapsable inset
435 if (inset_owner && inset_owner->owner()
436 && inset_owner->owner()->isOpen()) {
437 bview->unlockInset(static_cast<UpdatableInset *>(inset_owner->owner()));
438 inset_owner->owner()->close(bview);
442 //bview->owner()->message(inset->editMessage());
444 // do we want to keep this?? (JMarc)
445 if (!isHighlyEditableInset(inset))
446 setCursorParUndo(bview);
448 if (inset->isOpen()) {
454 inset->open(bview, !inset->isOpen());
459 /* used in setlayout */
460 // Asger is not sure we want to do this...
461 void LyXText::makeFontEntriesLayoutSpecific(Buffer const * buf,
464 LyXLayout const & layout =
465 textclasslist[buf->params.textclass][par->layout()];
468 for (pos_type pos = 0; pos < par->size(); ++pos) {
469 if (pos < beginningOfMainBody(buf, par))
470 layoutfont = layout.labelfont;
472 layoutfont = layout.font;
474 LyXFont tmpfont = par->getFontSettings(buf->params, pos);
475 tmpfont.reduce(layoutfont);
476 par->setFont(pos, tmpfont);
481 Paragraph * LyXText::setLayout(BufferView * bview,
482 LyXCursor & cur, LyXCursor & sstart_cur,
483 LyXCursor & send_cur,
484 string const & layout)
486 Paragraph * endpar = send_cur.par()->next();
487 Paragraph * undoendpar = endpar;
489 if (endpar && endpar->getDepth()) {
490 while (endpar && endpar->getDepth()) {
491 endpar = endpar->next();
495 endpar = endpar->next(); // because of parindents etc.
498 setUndo(bview, Undo::EDIT, sstart_cur.par(), undoendpar);
500 // ok we have a selection. This is always between sstart_cur
501 // and sel_end cursor
504 LyXLayout const & lyxlayout =
505 textclasslist[bview->buffer()->params.textclass][layout];
508 cur.par()->applyLayout(layout);
509 makeFontEntriesLayoutSpecific(bview->buffer(), cur.par());
510 Paragraph * fppar = cur.par();
511 fppar->params().spaceTop(lyxlayout.fill_top ?
512 VSpace(VSpace::VFILL)
513 : VSpace(VSpace::NONE));
514 fppar->params().spaceBottom(lyxlayout.fill_bottom ?
515 VSpace(VSpace::VFILL)
516 : VSpace(VSpace::NONE));
517 if (lyxlayout.margintype == MARGIN_MANUAL)
518 cur.par()->setLabelWidthString(lyxlayout.labelstring());
519 if (lyxlayout.labeltype != LABEL_BIBLIO
521 delete fppar->bibkey;
524 if (cur.par() != send_cur.par())
525 cur.par(cur.par()->next());
526 } while (cur.par() != send_cur.par());
532 // set layout over selection and make a total rebreak of those paragraphs
533 void LyXText::setLayout(BufferView * bview, string const & layout)
535 LyXCursor tmpcursor = cursor; /* store the current cursor */
537 // if there is no selection just set the layout
538 // of the current paragraph */
539 if (!selection.set()) {
540 selection.start = cursor; // dummy selection
541 selection.end = cursor;
543 Paragraph * endpar = setLayout(bview, cursor, selection.start,
544 selection.end, layout);
545 redoParagraphs(bview, selection.start, endpar);
547 // we have to reset the selection, because the
548 // geometry could have changed
549 setCursor(bview, selection.start.par(),
550 selection.start.pos(), false);
551 selection.cursor = cursor;
552 setCursor(bview, selection.end.par(), selection.end.pos(), false);
553 updateCounters(bview, cursor.row());
556 setCursor(bview, tmpcursor.par(), tmpcursor.pos(), true);
560 // increment depth over selection and
561 // make a total rebreak of those paragraphs
562 void LyXText::incDepth(BufferView * bview)
564 // If there is no selection, just use the current paragraph
565 if (!selection.set()) {
566 selection.start = cursor; // dummy selection
567 selection.end = cursor;
570 // We end at the next paragraph with depth 0
571 Paragraph * endpar = selection.end.par()->next();
573 Paragraph * undoendpar = endpar;
575 if (endpar && endpar->getDepth()) {
576 while (endpar && endpar->getDepth()) {
577 endpar = endpar->next();
581 endpar = endpar->next(); // because of parindents etc.
584 setUndo(bview, Undo::EDIT,
585 selection.start.par(), undoendpar);
587 LyXCursor tmpcursor = cursor; // store the current cursor
589 // ok we have a selection. This is always between sel_start_cursor
590 // and sel_end cursor
591 cursor = selection.start;
593 bool anything_changed = false;
595 LyXTextClass const & tclass =
596 textclasslist[bview->buffer()->params.textclass];
599 // NOTE: you can't change the depth of a bibliography entry
600 if (tclass[cursor.par()->layout()].labeltype != LABEL_BIBLIO) {
601 Paragraph * prev = cursor.par()->previous();
604 if (cursor.par()->getDepth()
605 < prev->getMaxDepthAfter(bview->buffer())){
606 cursor.par()->params().depth(cursor.par()->getDepth() + 1);
607 anything_changed = true;
611 if (cursor.par() == selection.end.par())
613 cursor.par(cursor.par()->next());
616 // if nothing changed set all depth to 0
617 if (!anything_changed) {
618 cursor = selection.start;
619 while (cursor.par() != selection.end.par()) {
620 cursor.par()->params().depth(0);
621 cursor.par(cursor.par()->next());
623 cursor.par()->params().depth(0);
626 redoParagraphs(bview, selection.start, endpar);
628 // we have to reset the selection, because the
629 // geometry could have changed
630 setCursor(bview, selection.start.par(), selection.start.pos());
631 selection.cursor = cursor;
632 setCursor(bview, selection.end.par(), selection.end.pos());
633 updateCounters(bview, cursor.row());
636 setCursor(bview, tmpcursor.par(), tmpcursor.pos());
640 // decrement depth over selection and
641 // make a total rebreak of those paragraphs
642 void LyXText::decDepth(BufferView * bview)
644 // if there is no selection just set the layout
645 // of the current paragraph
646 if (!selection.set()) {
647 selection.start = cursor; // dummy selection
648 selection.end = cursor;
650 Paragraph * endpar = selection.end.par()->next();
651 Paragraph * undoendpar = endpar;
653 if (endpar && endpar->getDepth()) {
654 while (endpar && endpar->getDepth()) {
655 endpar = endpar->next();
659 endpar = endpar->next(); // because of parindents etc.
662 setUndo(bview, Undo::EDIT,
663 selection.start.par(), undoendpar);
665 LyXCursor tmpcursor = cursor; // store the current cursor
667 // ok we have a selection. This is always between sel_start_cursor
668 // and sel_end cursor
669 cursor = selection.start;
672 if (cursor.par()->params().depth()) {
673 cursor.par()->params()
674 .depth(cursor.par()->params().depth() - 1);
676 if (cursor.par() == selection.end.par()) {
679 cursor.par(cursor.par()->next());
682 redoParagraphs(bview, selection.start, endpar);
684 // we have to reset the selection, because the
685 // geometry could have changed
686 setCursor(bview, selection.start.par(),
687 selection.start.pos());
688 selection.cursor = cursor;
689 setCursor(bview, selection.end.par(), selection.end.pos());
690 updateCounters(bview, cursor.row());
693 setCursor(bview, tmpcursor.par(), tmpcursor.pos());
697 // set font over selection and make a total rebreak of those paragraphs
698 void LyXText::setFont(BufferView * bview, LyXFont const & font, bool toggleall)
700 // if there is no selection just set the current_font
701 if (!selection.set()) {
702 // Determine basis font
704 if (cursor.pos() < beginningOfMainBody(bview->buffer(),
706 layoutfont = getLabelFont(bview->buffer(),
709 layoutfont = getLayoutFont(bview->buffer(),
712 // Update current font
713 real_current_font.update(font,
714 bview->buffer()->params.language,
717 // Reduce to implicit settings
718 current_font = real_current_font;
719 current_font.reduce(layoutfont);
720 // And resolve it completely
721 #ifndef INHERIT_LANGUAGE
722 real_current_font.realize(layoutfont);
724 real_current_font.realize(layoutfont,
725 bview->buffer()->params.language);
730 LyXCursor tmpcursor = cursor; // store the current cursor
732 // ok we have a selection. This is always between sel_start_cursor
733 // and sel_end cursor
735 setUndo(bview, Undo::EDIT,
736 selection.start.par(), selection.end.par()->next());
738 cursor = selection.start;
739 while (cursor.par() != selection.end.par() ||
740 (cursor.pos() < selection.end.pos()))
742 if (cursor.pos() < cursor.par()->size()) {
743 // an open footnote should behave
745 setCharFont(bview, cursor.par(), cursor.pos(),
747 cursor.pos(cursor.pos() + 1);
750 cursor.par(cursor.par()->next());
755 redoParagraphs(bview, selection.start, selection.end.par()->next());
757 // we have to reset the selection, because the
758 // geometry could have changed, but we keep
759 // it for user convenience
760 setCursor(bview, selection.start.par(), selection.start.pos());
761 selection.cursor = cursor;
762 setCursor(bview, selection.end.par(), selection.end.pos());
764 setCursor(bview, tmpcursor.par(), tmpcursor.pos(), true,
765 tmpcursor.boundary());
769 void LyXText::redoHeightOfParagraph(BufferView * bview, LyXCursor const & cur)
771 Row * tmprow = cur.row();
772 int y = cur.y() - tmprow->baseline();
774 setHeightOfRow(bview, tmprow);
776 while (tmprow->previous()
777 && tmprow->previous()->par() == tmprow->par()) {
778 tmprow = tmprow->previous();
779 y -= tmprow->height();
780 setHeightOfRow(bview, tmprow);
783 // we can set the refreshing parameters now
784 status(bview, LyXText::NEED_MORE_REFRESH);
786 refresh_row = tmprow;
787 setCursor(bview, cur.par(), cur.pos(), false, cursor.boundary());
791 void LyXText::redoDrawingOfParagraph(BufferView * bview, LyXCursor const & cur)
793 Row * tmprow = cur.row();
795 int y = cur.y() - tmprow->baseline();
796 setHeightOfRow(bview, tmprow);
798 while (tmprow->previous()
799 && tmprow->previous()->par() == tmprow->par()) {
800 tmprow = tmprow->previous();
801 y -= tmprow->height();
804 // we can set the refreshing parameters now
805 if (status_ == LyXText::UNCHANGED || y < refresh_y) {
807 refresh_row = tmprow;
809 status(bview, LyXText::NEED_MORE_REFRESH);
810 setCursor(bview, cur.par(), cur.pos());
814 // deletes and inserts again all paragaphs between the cursor
815 // and the specified par
816 // This function is needed after SetLayout and SetFont etc.
817 void LyXText::redoParagraphs(BufferView * bview, LyXCursor const & cur,
818 Paragraph const * endpar) const
821 Paragraph * tmppar = 0;
822 Paragraph * first_phys_par = 0;
824 Row * tmprow = cur.row();
826 int y = cur.y() - tmprow->baseline();
828 if (!tmprow->previous()) {
829 // a trick/hack for UNDO
830 // This is needed because in an UNDO/REDO we could have changed
831 // the ownerParagrah() so the paragraph inside the row is NOT
832 // my really first par anymore. Got it Lars ;) (Jug 20011206)
833 first_phys_par = ownerParagraph();
835 first_phys_par = tmprow->par();
836 while (tmprow->previous()
837 && tmprow->previous()->par() == first_phys_par)
839 tmprow = tmprow->previous();
840 y -= tmprow->height();
844 // we can set the refreshing parameters now
845 status(bview, LyXText::NEED_MORE_REFRESH);
847 refresh_row = tmprow->previous(); /* the real refresh row will
848 be deleted, so I store
852 tmppar = tmprow->next()->par();
855 while (tmprow->next() && tmppar != endpar) {
856 removeRow(tmprow->next());
857 if (tmprow->next()) {
858 tmppar = tmprow->next()->par();
864 // remove the first one
865 tmprow2 = tmprow; /* this is because tmprow->previous()
867 tmprow = tmprow->previous();
870 tmppar = first_phys_par;
874 insertParagraph(bview, tmppar, tmprow);
878 while (tmprow->next()
879 && tmprow->next()->par() == tmppar) {
880 tmprow = tmprow->next();
882 tmppar = tmppar->next();
884 } while (tmppar && tmppar != endpar);
886 // this is because of layout changes
888 refresh_y -= refresh_row->height();
889 setHeightOfRow(bview, refresh_row);
891 refresh_row = firstrow;
893 setHeightOfRow(bview, refresh_row);
896 if (tmprow && tmprow->next())
897 setHeightOfRow(bview, tmprow->next());
901 bool LyXText::fullRebreak(BufferView * bview)
907 if (need_break_row) {
908 breakAgain(bview, need_break_row);
916 // important for the screen
919 /* the cursor set functions have a special mechanism. When they
920 * realize, that you left an empty paragraph, they will delete it.
921 * They also delete the corresponding row */
923 // need the selection cursor:
924 void LyXText::setSelection(BufferView * bview)
926 bool const lsel = selection.set();
928 if (!selection.set()) {
929 last_sel_cursor = selection.cursor;
930 selection.start = selection.cursor;
931 selection.end = selection.cursor;
936 // first the toggling area
937 if (cursor.y() < last_sel_cursor.y()
938 || (cursor.y() == last_sel_cursor.y()
939 && cursor.x() < last_sel_cursor.x())) {
940 toggle_end_cursor = last_sel_cursor;
941 toggle_cursor = cursor;
943 toggle_end_cursor = cursor;
944 toggle_cursor = last_sel_cursor;
947 last_sel_cursor = cursor;
949 // and now the whole selection
951 if (selection.cursor.par() == cursor.par())
952 if (selection.cursor.pos() < cursor.pos()) {
953 selection.end = cursor;
954 selection.start = selection.cursor;
956 selection.end = selection.cursor;
957 selection.start = cursor;
959 else if (selection.cursor.y() < cursor.y() ||
960 (selection.cursor.y() == cursor.y()
961 && selection.cursor.x() < cursor.x())) {
962 selection.end = cursor;
963 selection.start = selection.cursor;
966 selection.end = selection.cursor;
967 selection.start = cursor;
970 // a selection with no contents is not a selection
971 if (selection.start.par() == selection.end.par() &&
972 selection.start.pos() == selection.end.pos())
973 selection.set(false);
975 if (inset_owner && (selection.set() || lsel))
976 inset_owner->setUpdateStatus(bview, InsetText::SELECTION);
980 string const LyXText::selectionAsString(Buffer const * buffer,
983 if (!selection.set()) return string();
986 // Special handling if the whole selection is within one paragraph
987 if (selection.start.par() == selection.end.par()) {
988 result += selection.start.par()->asString(buffer,
989 selection.start.pos(),
995 // The selection spans more than one paragraph
997 // First paragraph in selection
998 result += selection.start.par()->asString(buffer,
999 selection.start.pos(),
1000 selection.start.par()->size(),
1004 // The paragraphs in between (if any)
1005 LyXCursor tmpcur(selection.start);
1006 tmpcur.par(tmpcur.par()->next());
1007 while (tmpcur.par() != selection.end.par()) {
1008 result += tmpcur.par()->asString(buffer, 0,
1009 tmpcur.par()->size(),
1011 tmpcur.par(tmpcur.par()->next());
1014 // Last paragraph in selection
1015 result += selection.end.par()->asString(buffer, 0,
1016 selection.end.pos(), label);
1022 void LyXText::clearSelection() const
1024 selection.set(false);
1025 selection.mark(false);
1026 last_sel_cursor = selection.end = selection.start = selection.cursor = cursor;
1027 // reset this in the bv_owner!
1028 if (bv_owner && bv_owner->text)
1029 bv_owner->text->xsel_cache.set(false);
1033 void LyXText::cursorHome(BufferView * bview) const
1035 setCursor(bview, cursor.par(), cursor.row()->pos());
1039 void LyXText::cursorEnd(BufferView * bview) const
1041 if (!cursor.row()->next()
1042 || cursor.row()->next()->par() != cursor.row()->par()) {
1043 setCursor(bview, cursor.par(), rowLast(cursor.row()) + 1);
1045 if (cursor.par()->size() &&
1046 (cursor.par()->getChar(rowLast(cursor.row())) == ' '
1047 || cursor.par()->isNewline(rowLast(cursor.row())))) {
1048 setCursor(bview, cursor.par(), rowLast(cursor.row()));
1050 setCursor(bview,cursor.par(),
1051 rowLast(cursor.row()) + 1);
1057 void LyXText::cursorTop(BufferView * bview) const
1059 while (cursor.par()->previous())
1060 cursor.par(cursor.par()->previous());
1061 setCursor(bview, cursor.par(), 0);
1065 void LyXText::cursorBottom(BufferView * bview) const
1067 while (cursor.par()->next())
1068 cursor.par(cursor.par()->next());
1069 setCursor(bview, cursor.par(), cursor.par()->size());
1073 void LyXText::toggleFree(BufferView * bview,
1074 LyXFont const & font, bool toggleall)
1076 // If the mask is completely neutral, tell user
1077 if (font == LyXFont(LyXFont::ALL_IGNORE)) {
1078 // Could only happen with user style
1079 bview->owner()->message(_("No font change defined. Use Character under the Layout menu to define font change."));
1083 // Try implicit word selection
1084 // If there is a change in the language the implicit word selection
1086 LyXCursor resetCursor = cursor;
1087 bool implicitSelection = (font.language() == ignore_language
1088 && font.number() == LyXFont::IGNORE)
1089 ? selectWordWhenUnderCursor(bview, WHOLE_WORD_STRICT) : false;
1092 setFont(bview, font, toggleall);
1094 // Implicit selections are cleared afterwards
1095 //and cursor is set to the original position.
1096 if (implicitSelection) {
1098 cursor = resetCursor;
1099 setCursor(bview, cursor.par(), cursor.pos());
1100 selection.cursor = cursor;
1103 inset_owner->setUpdateStatus(bview, InsetText::CURSOR_PAR);
1107 string LyXText::getStringToIndex(BufferView * bview)
1111 // Try implicit word selection
1112 // If there is a change in the language the implicit word selection
1114 LyXCursor resetCursor = cursor;
1115 bool implicitSelection = selectWordWhenUnderCursor(bview, PREVIOUS_WORD);
1117 if (!selection.set()) {
1118 bview->owner()->message(_("Nothing to index!"));
1121 if (selection.start.par() != selection.end.par()) {
1122 bview->owner()->message(_("Cannot index more than one paragraph!"));
1126 idxstring = selectionAsString(bview->buffer(), false);
1128 // Implicit selections are cleared afterwards
1129 //and cursor is set to the original position.
1130 if (implicitSelection) {
1132 cursor = resetCursor;
1133 setCursor(bview, cursor.par(), cursor.pos());
1134 selection.cursor = cursor;
1140 pos_type LyXText::beginningOfMainBody(Buffer const * buf,
1141 Paragraph const * par) const
1143 if (textclasslist[buf->params.textclass][
1144 par->layout()].labeltype != LABEL_MANUAL)
1147 return par->beginningOfMainBody();
1151 /* the DTP switches for paragraphs. LyX will store them in the
1152 * first physicla paragraph. When a paragraph is broken, the top settings
1153 * rest, the bottom settings are given to the new one. So I can make shure,
1154 * they do not duplicate themself and you cannnot make dirty things with
1157 void LyXText::setParagraph(BufferView * bview,
1158 bool line_top, bool line_bottom,
1159 bool pagebreak_top, bool pagebreak_bottom,
1160 VSpace const & space_top,
1161 VSpace const & space_bottom,
1162 Spacing const & spacing,
1164 string labelwidthstring,
1167 LyXCursor tmpcursor = cursor;
1168 if (!selection.set()) {
1169 selection.start = cursor;
1170 selection.end = cursor;
1173 // make sure that the depth behind the selection are restored, too
1174 Paragraph * endpar = selection.end.par()->next();
1175 Paragraph * undoendpar = endpar;
1177 if (endpar && endpar->getDepth()) {
1178 while (endpar && endpar->getDepth()) {
1179 endpar = endpar->next();
1180 undoendpar = endpar;
1184 // because of parindents etc.
1185 endpar = endpar->next();
1188 setUndo(bview, Undo::EDIT, selection.start.par(), undoendpar);
1191 Paragraph * tmppar = selection.end.par();
1192 LyXTextClass const & tclass =
1193 textclasslist[bview->buffer()->params.textclass];
1195 while (tmppar != selection.start.par()->previous()) {
1196 setCursor(bview, tmppar, 0);
1197 status(bview, LyXText::NEED_MORE_REFRESH);
1198 refresh_row = cursor.row();
1199 refresh_y = cursor.y() - cursor.row()->baseline();
1200 cursor.par()->params().lineTop(line_top);
1201 cursor.par()->params().lineBottom(line_bottom);
1202 cursor.par()->params().pagebreakTop(pagebreak_top);
1203 cursor.par()->params().pagebreakBottom(pagebreak_bottom);
1204 cursor.par()->params().spaceTop(space_top);
1205 cursor.par()->params().spaceBottom(space_bottom);
1206 cursor.par()->params().spacing(spacing);
1207 // does the layout allow the new alignment?
1208 LyXLayout const & layout = tclass[cursor.par()->layout()];
1210 if (align == LYX_ALIGN_LAYOUT)
1211 align = layout.align;
1212 if (align & layout.alignpossible) {
1213 if (align == layout.align)
1214 cursor.par()->params().align(LYX_ALIGN_LAYOUT);
1216 cursor.par()->params().align(align);
1218 cursor.par()->setLabelWidthString(labelwidthstring);
1219 cursor.par()->params().noindent(noindent);
1220 tmppar = cursor.par()->previous();
1223 redoParagraphs(bview, selection.start, endpar);
1226 setCursor(bview, selection.start.par(), selection.start.pos());
1227 selection.cursor = cursor;
1228 setCursor(bview, selection.end.par(), selection.end.pos());
1229 setSelection(bview);
1230 setCursor(bview, tmpcursor.par(), tmpcursor.pos());
1232 bview->updateInset(inset_owner, true);
1236 char loweralphaCounter(int n)
1238 if (n < 1 || n > 26)
1248 char alphaCounter(int n)
1250 if (n < 1 || n > 26)
1258 char hebrewCounter(int n)
1260 static const char hebrew[22] = {
1261 'à ', 'á', 'â', 'ã', 'ä', 'å', 'æ', 'ç', 'è',
1262 'é', 'ë', 'ì', 'î', 'ð', 'ñ', 'ò', 'ô', 'ö',
1263 '÷', 'ø', 'ù', 'ú'
1265 if (n < 1 || n > 22)
1273 string const romanCounter(int n)
1275 static char const * roman[20] = {
1276 "i", "ii", "iii", "iv", "v",
1277 "vi", "vii", "viii", "ix", "x",
1278 "xi", "xii", "xiii", "xiv", "xv",
1279 "xvi", "xvii", "xviii", "xix", "xx"
1281 if (n < 1 || n > 20)
1290 // set the counter of a paragraph. This includes the labels
1291 void LyXText::setCounter(Buffer const * buf, Paragraph * par) const
1293 LyXTextClass const & textclass = textclasslist[buf->params.textclass];
1294 LyXLayout const & layout = textclass[par->layout()];
1297 // copy the prev-counters to this one,
1298 // unless this is the first paragraph
1299 if (par->previous()) {
1300 for (int i = 0; i < 10; ++i) {
1301 par->setCounter(i, par->previous()->getFirstCounter(i));
1303 par->params().appendix(par->previous()->params().appendix());
1304 if (!par->params().appendix() && par->params().startOfAppendix()) {
1305 par->params().appendix(true);
1306 for (int i = 0; i < 10; ++i) {
1307 par->setCounter(i, 0);
1310 par->enumdepth = par->previous()->enumdepth;
1311 par->itemdepth = par->previous()->itemdepth;
1313 for (int i = 0; i < 10; ++i) {
1314 par->setCounter(i, 0);
1316 par->params().appendix(par->params().startOfAppendix());
1321 /* Maybe we have to increment the enumeration depth.
1322 * BUT, enumeration in a footnote is considered in isolation from its
1323 * surrounding paragraph so don't increment if this is the
1324 * first line of the footnote
1325 * AND, bibliographies can't have their depth changed ie. they
1326 * are always of depth 0
1329 && par->previous()->getDepth() < par->getDepth()
1330 && textclass[par->previous()->layout()].labeltype == LABEL_COUNTER_ENUMI
1331 && par->enumdepth < 3
1332 && layout.labeltype != LABEL_BIBLIO) {
1336 // Maybe we have to decrement the enumeration depth, see note above
1338 && par->previous()->getDepth() > par->getDepth()
1339 && layout.labeltype != LABEL_BIBLIO) {
1340 par->enumdepth = par->depthHook(par->getDepth())->enumdepth;
1341 par->setCounter(6 + par->enumdepth,
1342 par->depthHook(par->getDepth())->getCounter(6 + par->enumdepth));
1343 /* reset the counters.
1344 * A depth change is like a breaking layout
1346 for (int i = 6 + par->enumdepth + 1; i < 10; ++i)
1347 par->setCounter(i, 0);
1350 if (!par->params().labelString().empty()) {
1351 par->params().labelString(string());
1354 if (layout.margintype == MARGIN_MANUAL) {
1355 if (par->params().labelWidthString().empty()) {
1356 par->setLabelWidthString(layout.labelstring());
1359 par->setLabelWidthString(string());
1362 // is it a layout that has an automatic label?
1363 if (layout.labeltype >= LABEL_COUNTER_CHAPTER) {
1365 int i = layout.labeltype - LABEL_COUNTER_CHAPTER;
1366 if (i >= 0 && i<= buf->params.secnumdepth) {
1367 par->incCounter(i); // increment the counter
1369 // Is there a label? Useful for Chapter layout
1370 if (!par->params().appendix()) {
1371 if (!layout.labelstring().empty())
1372 par->params().labelString(layout.labelstring());
1374 par->params().labelString(string());
1376 if (!layout.labelstring_appendix().empty())
1377 par->params().labelString(layout.labelstring_appendix());
1379 par->params().labelString(string());
1384 if (!par->params().appendix()) {
1385 switch (2 * LABEL_COUNTER_CHAPTER -
1386 textclass.maxcounter() + i) {
1387 case LABEL_COUNTER_CHAPTER:
1388 s << par->getCounter(i);
1390 case LABEL_COUNTER_SECTION:
1391 s << par->getCounter(i - 1) << '.'
1392 << par->getCounter(i);
1394 case LABEL_COUNTER_SUBSECTION:
1395 s << par->getCounter(i - 2) << '.'
1396 << par->getCounter(i - 1) << '.'
1397 << par->getCounter(i);
1399 case LABEL_COUNTER_SUBSUBSECTION:
1400 s << par->getCounter(i - 3) << '.'
1401 << par->getCounter(i - 2) << '.'
1402 << par->getCounter(i - 1) << '.'
1403 << par->getCounter(i);
1406 case LABEL_COUNTER_PARAGRAPH:
1407 s << par->getCounter(i - 4) << '.'
1408 << par->getCounter(i - 3) << '.'
1409 << par->getCounter(i - 2) << '.'
1410 << par->getCounter(i - 1) << '.'
1411 << par->getCounter(i);
1413 case LABEL_COUNTER_SUBPARAGRAPH:
1414 s << par->getCounter(i - 5) << '.'
1415 << par->getCounter(i - 4) << '.'
1416 << par->getCounter(i - 3) << '.'
1417 << par->getCounter(i - 2) << '.'
1418 << par->getCounter(i - 1) << '.'
1419 << par->getCounter(i);
1423 // Can this ever be reached? And in the
1424 // case it is, how can this be correct?
1426 s << par->getCounter(i) << '.';
1429 } else { // appendix
1430 switch (2 * LABEL_COUNTER_CHAPTER - textclass.maxcounter() + i) {
1431 case LABEL_COUNTER_CHAPTER:
1432 if (par->isRightToLeftPar(buf->params))
1433 s << hebrewCounter(par->getCounter(i));
1435 s << alphaCounter(par->getCounter(i));
1437 case LABEL_COUNTER_SECTION:
1438 if (par->isRightToLeftPar(buf->params))
1439 s << hebrewCounter(par->getCounter(i - 1));
1441 s << alphaCounter(par->getCounter(i - 1));
1444 << par->getCounter(i);
1447 case LABEL_COUNTER_SUBSECTION:
1448 if (par->isRightToLeftPar(buf->params))
1449 s << hebrewCounter(par->getCounter(i - 2));
1451 s << alphaCounter(par->getCounter(i - 2));
1454 << par->getCounter(i-1) << '.'
1455 << par->getCounter(i);
1458 case LABEL_COUNTER_SUBSUBSECTION:
1459 if (par->isRightToLeftPar(buf->params))
1460 s << hebrewCounter(par->getCounter(i-3));
1462 s << alphaCounter(par->getCounter(i-3));
1465 << par->getCounter(i-2) << '.'
1466 << par->getCounter(i-1) << '.'
1467 << par->getCounter(i);
1470 case LABEL_COUNTER_PARAGRAPH:
1471 if (par->isRightToLeftPar(buf->params))
1472 s << hebrewCounter(par->getCounter(i-4));
1474 s << alphaCounter(par->getCounter(i-4));
1477 << par->getCounter(i-3) << '.'
1478 << par->getCounter(i-2) << '.'
1479 << par->getCounter(i-1) << '.'
1480 << par->getCounter(i);
1483 case LABEL_COUNTER_SUBPARAGRAPH:
1484 if (par->isRightToLeftPar(buf->params))
1485 s << hebrewCounter(par->getCounter(i-5));
1487 s << alphaCounter(par->getCounter(i-5));
1490 << par->getCounter(i-4) << '.'
1491 << par->getCounter(i-3) << '.'
1492 << par->getCounter(i-2) << '.'
1493 << par->getCounter(i-1) << '.'
1494 << par->getCounter(i);
1498 // Can this ever be reached? And in the
1499 // case it is, how can this be correct?
1501 s << par->getCounter(i) << '.';
1507 par->params().labelString(par->params().labelString() +s.str().c_str());
1508 // We really want to remove the c_str as soon as
1511 for (i++; i < 10; ++i) {
1512 // reset the following counters
1513 par->setCounter(i, 0);
1515 } else if (layout.labeltype < LABEL_COUNTER_ENUMI) {
1516 for (i++; i < 10; ++i) {
1517 // reset the following counters
1518 par->setCounter(i, 0);
1520 } else if (layout.labeltype == LABEL_COUNTER_ENUMI) {
1521 par->incCounter(i + par->enumdepth);
1522 int number = par->getCounter(i + par->enumdepth);
1526 switch (par->enumdepth) {
1528 if (par->isRightToLeftPar(buf->params))
1530 << hebrewCounter(number)
1534 << loweralphaCounter(number)
1538 if (par->isRightToLeftPar(buf->params))
1539 s << '.' << romanCounter(number);
1541 s << romanCounter(number) << '.';
1544 if (par->isRightToLeftPar(buf->params))
1546 << alphaCounter(number);
1548 s << alphaCounter(number)
1552 if (par->isRightToLeftPar(buf->params))
1559 par->params().labelString(s.str().c_str());
1561 for (i += par->enumdepth + 1; i < 10; ++i) {
1562 // reset the following counters
1563 par->setCounter(i, 0);
1567 } else if (layout.labeltype == LABEL_BIBLIO) {// ale970302
1568 int i = LABEL_COUNTER_ENUMI - LABEL_COUNTER_CHAPTER + par->enumdepth;
1570 int number = par->getCounter(i);
1572 InsetCommandParams p("bibitem" );
1573 par->bibkey = new InsetBibKey(p);
1575 par->bibkey->setCounter(number);
1576 par->params().labelString(layout.labelstring());
1578 // In biblio should't be following counters but...
1580 string s = layout.labelstring();
1582 // the caption hack:
1583 if (layout.labeltype == LABEL_SENSITIVE) {
1584 bool isOK (par->inInset() && par->inInset()->owner() &&
1585 (par->inInset()->owner()->lyxCode() == Inset::FLOAT_CODE));
1588 InsetFloat * tmp = static_cast<InsetFloat*>(par->inInset()->owner());
1590 = floatList.getType(tmp->type());
1591 // We should get the correct number here too.
1592 s = fl.name() + " #:";
1594 /* par->SetLayout(0);
1595 s = layout->labelstring; */
1596 s = (par->getParLanguage(buf->params)->lang() == "hebrew")
1597 ? " :úåòîùî øñç" : "Senseless: ";
1600 par->params().labelString(s);
1602 /* reset the enumeration counter. They are always resetted
1603 * when there is any other layout between */
1604 for (int i = 6 + par->enumdepth; i < 10; ++i)
1605 par->setCounter(i, 0);
1610 // Updates all counters BEHIND the row. Changed paragraphs
1611 // with a dynamic left margin will be rebroken.
1612 void LyXText::updateCounters(BufferView * bview, Row * row) const
1620 par = row->par()->next();
1624 while (row->par() != par)
1627 setCounter(bview->buffer(), par);
1629 // now check for the headline layouts. remember that they
1630 // have a dynamic left margin
1631 LyXTextClass const & tclass =
1632 textclasslist[bview->buffer()->params.textclass];
1633 LyXLayout const & layout = tclass[par->layout()];
1635 if (layout.margintype == MARGIN_DYNAMIC
1636 || layout.labeltype == LABEL_SENSITIVE) {
1637 // Rebreak the paragraph
1638 removeParagraph(row);
1639 appendParagraph(bview, row);
1646 void LyXText::insertInset(BufferView * bview, Inset * inset)
1648 if (!cursor.par()->insetAllowed(inset->lyxCode()))
1650 setUndo(bview, Undo::FINISH, cursor.par(), cursor.par()->next());
1652 cursor.par()->insertInset(cursor.pos(), inset);
1653 // Just to rebreak and refresh correctly.
1654 // The character will not be inserted a second time
1655 insertChar(bview, Paragraph::META_INSET);
1656 // If we enter a highly editable inset the cursor should be to before
1657 // the inset. This couldn't happen before as Undo was not handled inside
1658 // inset now after the Undo LyX tries to call inset->Edit(...) again
1659 // and cannot do this as the cursor is behind the inset and GetInset
1660 // does not return the inset!
1661 if (isHighlyEditableInset(inset)) {
1662 cursorLeft(bview, true);
1668 void LyXText::copyEnvironmentType()
1670 copylayouttype = cursor.par()->layout();
1674 void LyXText::pasteEnvironmentType(BufferView * bview)
1676 setLayout(bview, copylayouttype);
1680 void LyXText::cutSelection(BufferView * bview, bool doclear, bool realcut)
1682 // Stuff what we got on the clipboard. Even if there is no selection.
1684 // There is a problem with having the stuffing here in that the
1685 // larger the selection the slower LyX will get. This can be
1686 // solved by running the line below only when the selection has
1687 // finished. The solution used currently just works, to make it
1688 // faster we need to be more clever and probably also have more
1689 // calls to stuffClipboard. (Lgb)
1690 bview->stuffClipboard(selectionAsString(bview->buffer(), true));
1692 // This doesn't make sense, if there is no selection
1693 if (!selection.set())
1696 // OK, we have a selection. This is always between selection.start
1697 // and selection.end
1699 // make sure that the depth behind the selection are restored, too
1700 Paragraph * endpar = selection.end.par()->next();
1701 Paragraph * undoendpar = endpar;
1703 if (endpar && endpar->getDepth()) {
1704 while (endpar && endpar->getDepth()) {
1705 endpar = endpar->next();
1706 undoendpar = endpar;
1708 } else if (endpar) {
1709 endpar = endpar->next(); // because of parindents etc.
1712 setUndo(bview, Undo::DELETE,
1713 selection.start.par(), undoendpar);
1715 // there are two cases: cut only within one paragraph or
1716 // more than one paragraph
1717 if (selection.start.par() == selection.end.par()) {
1718 // only within one paragraph
1719 endpar = selection.end.par();
1720 int pos = selection.end.pos();
1721 CutAndPaste::cutSelection(selection.start.par(), &endpar,
1722 selection.start.pos(), pos,
1723 bview->buffer()->params.textclass,
1725 selection.end.pos(pos);
1727 endpar = selection.end.par();
1728 int pos = selection.end.pos();
1729 CutAndPaste::cutSelection(selection.start.par(), &endpar,
1730 selection.start.pos(), pos,
1731 bview->buffer()->params.textclass,
1734 selection.end.par(endpar);
1735 selection.end.pos(pos);
1736 cursor.pos(selection.end.pos());
1738 endpar = endpar->next();
1740 // sometimes necessary
1742 selection.start.par()->stripLeadingSpaces(bview->buffer()->params.textclass);
1744 redoParagraphs(bview, selection.start, endpar);
1746 // cutSelection can invalidate the cursor so we need to set
1748 cursor = selection.start;
1750 // need a valid cursor. (Lgb)
1753 setCursor(bview, cursor.par(), cursor.pos());
1754 selection.cursor = cursor;
1755 updateCounters(bview, cursor.row());
1759 void LyXText::copySelection(BufferView * bview)
1761 // stuff the selection onto the X clipboard, from an explicit copy request
1762 bview->stuffClipboard(selectionAsString(bview->buffer(), true));
1764 // this doesnt make sense, if there is no selection
1765 if (!selection.set())
1768 // ok we have a selection. This is always between selection.start
1769 // and sel_end cursor
1771 // copy behind a space if there is one
1772 while (selection.start.par()->size() > selection.start.pos()
1773 && selection.start.par()->isLineSeparator(selection.start.pos())
1774 && (selection.start.par() != selection.end.par()
1775 || selection.start.pos() < selection.end.pos()))
1776 selection.start.pos(selection.start.pos() + 1);
1778 CutAndPaste::copySelection(selection.start.par(), selection.end.par(),
1779 selection.start.pos(), selection.end.pos(),
1780 bview->buffer()->params.textclass);
1784 void LyXText::pasteSelection(BufferView * bview)
1786 // this does not make sense, if there is nothing to paste
1787 if (!CutAndPaste::checkPastePossible(cursor.par()))
1790 setUndo(bview, Undo::INSERT,
1791 cursor.par(), cursor.par()->next());
1794 Paragraph * actpar = cursor.par();
1795 int pos = cursor.pos();
1797 CutAndPaste::pasteSelection(&actpar, &endpar, pos,
1798 bview->buffer()->params.textclass);
1800 redoParagraphs(bview, cursor, endpar);
1802 setCursor(bview, cursor.par(), cursor.pos());
1805 selection.cursor = cursor;
1806 setCursor(bview, actpar, pos);
1807 setSelection(bview);
1808 updateCounters(bview, cursor.row());
1812 // sets the selection over the number of characters of string, no check!!
1813 void LyXText::setSelectionOverString(BufferView * bview, string const & str)
1818 selection.cursor = cursor;
1819 for (string::size_type i = 0; i < str.length(); ++i)
1821 setSelection(bview);
1825 // simple replacing. The font of the first selected character is used
1826 void LyXText::replaceSelectionWithString(BufferView * bview,
1829 setCursorParUndo(bview);
1832 if (!selection.set()) { // create a dummy selection
1833 selection.end = cursor;
1834 selection.start = cursor;
1837 // Get font setting before we cut
1838 pos_type pos = selection.end.pos();
1839 LyXFont const font = selection.start.par()
1840 ->getFontSettings(bview->buffer()->params,
1841 selection.start.pos());
1843 // Insert the new string
1844 for (string::const_iterator cit = str.begin(); cit != str.end(); ++cit) {
1845 selection.end.par()->insertChar(pos, (*cit), font);
1849 // Cut the selection
1850 cutSelection(bview, true, false);
1856 // needed to insert the selection
1857 void LyXText::insertStringAsLines(BufferView * bview, string const & str)
1859 Paragraph * par = cursor.par();
1860 pos_type pos = cursor.pos();
1861 Paragraph * endpar = cursor.par()->next();
1863 setCursorParUndo(bview);
1865 // only to be sure, should not be neccessary
1868 bview->buffer()->insertStringAsLines(par, pos, current_font, str);
1870 redoParagraphs(bview, cursor, endpar);
1871 setCursor(bview, cursor.par(), cursor.pos());
1872 selection.cursor = cursor;
1873 setCursor(bview, par, pos);
1874 setSelection(bview);
1878 // turns double-CR to single CR, others where converted into one
1879 // blank. Then InsertStringAsLines is called
1880 void LyXText::insertStringAsParagraphs(BufferView * bview, string const & str)
1882 string linestr(str);
1883 bool newline_inserted = false;
1884 for (string::size_type i = 0; i < linestr.length(); ++i) {
1885 if (linestr[i] == '\n') {
1886 if (newline_inserted) {
1887 // we know that \r will be ignored by
1888 // InsertStringA. Of course, it is a dirty
1889 // trick, but it works...
1890 linestr[i - 1] = '\r';
1894 newline_inserted = true;
1896 } else if (IsPrintable(linestr[i])) {
1897 newline_inserted = false;
1900 insertStringAsLines(bview, linestr);
1904 bool LyXText::gotoNextInset(BufferView * bview,
1905 vector<Inset::Code> const & codes,
1906 string const & contents) const
1908 LyXCursor res = cursor;
1911 if (res.pos() < res.par()->size() - 1) {
1912 res.pos(res.pos() + 1);
1914 res.par(res.par()->next());
1918 } while (res.par() &&
1919 !(res.par()->isInset(res.pos())
1920 && (inset = res.par()->getInset(res.pos())) != 0
1921 && find(codes.begin(), codes.end(), inset->lyxCode())
1923 && (contents.empty() ||
1924 static_cast<InsetCommand *>(res.par()->getInset(res.pos()))->getContents()
1928 setCursor(bview, res.par(), res.pos(), false);
1935 void LyXText::checkParagraph(BufferView * bview, Paragraph * par,
1938 LyXCursor tmpcursor;
1942 Row * row = getRow(par, pos, y);
1944 // is there a break one row above
1945 if (row->previous() && row->previous()->par() == row->par()) {
1946 z = nextBreakPoint(bview, row->previous(), workWidth(bview));
1947 if (z >= row->pos()) {
1948 // set the dimensions of the row above
1949 y -= row->previous()->height();
1951 refresh_row = row->previous();
1952 status(bview, LyXText::NEED_MORE_REFRESH);
1954 breakAgain(bview, row->previous());
1956 // set the cursor again. Otherwise
1957 // dangling pointers are possible
1958 setCursor(bview, cursor.par(), cursor.pos(),
1959 false, cursor.boundary());
1960 selection.cursor = cursor;
1965 int const tmpheight = row->height();
1966 pos_type const tmplast = rowLast(row);
1970 breakAgain(bview, row);
1971 if (row->height() == tmpheight && rowLast(row) == tmplast)
1972 status(bview, LyXText::NEED_VERY_LITTLE_REFRESH);
1974 status(bview, LyXText::NEED_MORE_REFRESH);
1976 // check the special right address boxes
1977 if (textclasslist[bview->buffer()->params.textclass][
1978 par->layout()].margintype
1979 == MARGIN_RIGHT_ADDRESS_BOX)
1987 redoDrawingOfParagraph(bview, tmpcursor);
1990 // set the cursor again. Otherwise dangling pointers are possible
1991 // also set the selection
1993 if (selection.set()) {
1995 setCursorIntern(bview, selection.cursor.par(), selection.cursor.pos(),
1996 false, selection.cursor.boundary());
1997 selection.cursor = cursor;
1998 setCursorIntern(bview, selection.start.par(),
1999 selection.start.pos(),
2000 false, selection.start.boundary());
2001 selection.start = cursor;
2002 setCursorIntern(bview, selection.end.par(),
2003 selection.end.pos(),
2004 false, selection.end.boundary());
2005 selection.end = cursor;
2006 setCursorIntern(bview, last_sel_cursor.par(),
2007 last_sel_cursor.pos(),
2008 false, last_sel_cursor.boundary());
2009 last_sel_cursor = cursor;
2012 setCursorIntern(bview, cursor.par(), cursor.pos(),
2013 false, cursor.boundary());
2017 // returns false if inset wasn't found
2018 bool LyXText::updateInset(BufferView * bview, Inset * inset)
2020 // first check the current paragraph
2021 int pos = cursor.par()->getPositionOfInset(inset);
2023 checkParagraph(bview, cursor.par(), pos);
2027 // check every paragraph
2029 Paragraph * par = ownerParagraph();
2031 pos = par->getPositionOfInset(inset);
2033 checkParagraph(bview, par, pos);
2043 bool LyXText::setCursor(BufferView * bview, Paragraph * par,
2045 bool setfont, bool boundary) const
2047 LyXCursor old_cursor = cursor;
2048 setCursorIntern(bview, par, pos, setfont, boundary);
2049 return deleteEmptyParagraphMechanism(bview, old_cursor);
2053 void LyXText::setCursor(BufferView * bview, LyXCursor & cur, Paragraph * par,
2054 pos_type pos, bool boundary) const
2061 cur.boundary(boundary);
2063 // get the cursor y position in text
2065 Row * row = getRow(par, pos, y);
2066 Row * old_row = row;
2067 // if we are before the first char of this row and are still in the
2068 // same paragraph and there is a previous row then put the cursor on
2069 // the end of the previous row
2070 cur.iy(y + row->baseline());
2072 if (row->previous() && pos &&
2073 par->getChar(pos) == Paragraph::META_INSET &&
2074 (ins=par->getInset(pos)) && (ins->needFullRow() || ins->display()))
2076 row = row->previous();
2081 // y is now the beginning of the cursor row
2082 y += row->baseline();
2083 // y is now the cursor baseline
2086 pos_type last = rowLastPrintable(old_row);
2088 if (pos > last + 1) {
2089 // This shouldn't happen.
2092 } else if (pos < row->pos()) {
2097 // now get the cursors x position
2098 float x = getCursorX(bview, row, pos, last, boundary);
2101 if (old_row != row) {
2102 x = getCursorX(bview, old_row, pos, last, boundary);
2109 float LyXText::getCursorX(BufferView * bview, Row * row,
2110 pos_type pos, pos_type last, bool boundary) const
2112 pos_type cursor_vpos = 0;
2114 float fill_separator;
2116 float fill_label_hfill;
2117 // This call HAS to be here because of the BidiTables!!!
2118 prepareToPrint(bview, row, x, fill_separator, fill_hfill,
2121 if (last < row->pos())
2122 cursor_vpos = row->pos();
2123 else if (pos > last && !boundary)
2124 cursor_vpos = (row->par()->isRightToLeftPar(bview->buffer()->params))
2125 ? row->pos() : last + 1;
2126 else if (pos > row->pos() &&
2127 (pos > last || boundary))
2128 /// Place cursor after char at (logical) position pos - 1
2129 cursor_vpos = (bidi_level(pos - 1) % 2 == 0)
2130 ? log2vis(pos - 1) + 1 : log2vis(pos - 1);
2132 /// Place cursor before char at (logical) position pos
2133 cursor_vpos = (bidi_level(pos) % 2 == 0)
2134 ? log2vis(pos) : log2vis(pos) + 1;
2136 pos_type main_body =
2137 beginningOfMainBody(bview->buffer(), row->par());
2138 if ((main_body > 0) &&
2139 ((main_body-1 > last) ||
2140 !row->par()->isLineSeparator(main_body-1)))
2143 for (pos_type vpos = row->pos(); vpos < cursor_vpos; ++vpos) {
2144 pos_type pos = vis2log(vpos);
2145 if (main_body > 0 && pos == main_body - 1) {
2146 x += fill_label_hfill +
2147 lyxfont::width(textclasslist[
2148 bview->buffer()->params.textclass][
2149 row->par()->layout()]
2151 getLabelFont(bview->buffer(), row->par()));
2152 if (row->par()->isLineSeparator(main_body-1))
2153 x -= singleWidth(bview, row->par(),main_body-1);
2155 if (hfillExpansion(bview->buffer(), row, pos)) {
2156 x += singleWidth(bview, row->par(), pos);
2157 if (pos >= main_body)
2160 x += fill_label_hfill;
2161 } else if (row->par()->isSeparator(pos)) {
2162 x += singleWidth(bview, row->par(), pos);
2163 if (pos >= main_body)
2164 x += fill_separator;
2166 x += singleWidth(bview, row->par(), pos);
2172 void LyXText::setCursorIntern(BufferView * bview, Paragraph * par,
2173 pos_type pos, bool setfont, bool boundary) const
2175 InsetText * it = static_cast<InsetText *>(par->inInset());
2177 if (it != inset_owner) {
2178 lyxerr[Debug::INSETS] << "InsetText is " << it
2180 << "inset_owner is "
2181 << inset_owner << endl;
2182 #ifdef WITH_WARNINGS
2183 #warning I believe this code is wrong. (Lgb)
2184 #warning Jürgen, have a look at this. (Lgb)
2185 #warning Hmmm, I guess you are right but we
2186 #warning should verify when this is needed
2188 // Jürgen, would you like to have a look?
2189 // I guess we need to move the outer cursor
2190 // and open and lock the inset (bla bla bla)
2191 // stuff I don't know... so can you have a look?
2193 // I moved the lyxerr stuff in here so we can see if
2194 // this is actually really needed and where!
2196 // it->getLyXText(bview)->setCursorIntern(bview, par, pos, setfont, boundary);
2201 setCursor(bview, cursor, par, pos, boundary);
2203 setCurrentFont(bview);
2207 void LyXText::setCurrentFont(BufferView * bview) const
2209 pos_type pos = cursor.pos();
2210 if (cursor.boundary() && pos > 0)
2214 if (pos == cursor.par()->size())
2216 else // potentional bug... BUG (Lgb)
2217 if (cursor.par()->isSeparator(pos)) {
2218 if (pos > cursor.row()->pos() &&
2219 bidi_level(pos) % 2 ==
2220 bidi_level(pos - 1) % 2)
2222 else if (pos + 1 < cursor.par()->size())
2228 cursor.par()->getFontSettings(bview->buffer()->params, pos);
2229 real_current_font = getFont(bview->buffer(), cursor.par(), pos);
2231 if (cursor.pos() == cursor.par()->size() &&
2232 isBoundary(bview->buffer(), cursor.par(), cursor.pos()) &&
2233 !cursor.boundary()) {
2234 Language const * lang =
2235 cursor.par()->getParLanguage(bview->buffer()->params);
2236 current_font.setLanguage(lang);
2237 current_font.setNumber(LyXFont::OFF);
2238 real_current_font.setLanguage(lang);
2239 real_current_font.setNumber(LyXFont::OFF);
2244 void LyXText::setCursorFromCoordinates(BufferView * bview, int x, int y) const
2246 LyXCursor old_cursor = cursor;
2248 setCursorFromCoordinates(bview, cursor, x, y);
2249 setCurrentFont(bview);
2250 deleteEmptyParagraphMechanism(bview, old_cursor);
2254 void LyXText::setCursorFromCoordinates(BufferView * bview, LyXCursor & cur,
2257 // Get the row first.
2259 Row * row = getRowNearY(y);
2261 pos_type const column = getColumnNearX(bview, row, x, bound);
2262 cur.par(row->par());
2263 cur.pos(row->pos() + column);
2266 cur.y(y + row->baseline());
2268 if (row->next() && cur.pos() &&
2269 cur.par()->getChar(cur.pos()) == Paragraph::META_INSET &&
2270 (ins=cur.par()->getInset(cur.pos())) &&
2271 (ins->needFullRow() || ins->display()))
2273 cur.iy(y + row->height() + row->next()->baseline());
2278 cur.boundary(bound);
2282 void LyXText::cursorLeft(BufferView * bview, bool internal) const
2284 if (cursor.pos() > 0) {
2285 bool boundary = cursor.boundary();
2286 setCursor(bview, cursor.par(), cursor.pos() - 1, true, false);
2287 if (!internal && !boundary &&
2288 isBoundary(bview->buffer(), cursor.par(), cursor.pos() + 1))
2289 setCursor(bview, cursor.par(), cursor.pos() + 1, true, true);
2290 } else if (cursor.par()->previous()) { // steps into the above paragraph.
2291 Paragraph * par = cursor.par()->previous();
2292 setCursor(bview, par, par->size());
2297 void LyXText::cursorRight(BufferView * bview, bool internal) const
2299 if (!internal && cursor.boundary() &&
2300 !cursor.par()->isNewline(cursor.pos()))
2301 setCursor(bview, cursor.par(), cursor.pos(), true, false);
2302 else if (cursor.pos() < cursor.par()->size()) {
2303 setCursor(bview, cursor.par(), cursor.pos() + 1, true, false);
2305 isBoundary(bview->buffer(), cursor.par(), cursor.pos()))
2306 setCursor(bview, cursor.par(), cursor.pos(), true, true);
2307 } else if (cursor.par()->next())
2308 setCursor(bview, cursor.par()->next(), 0);
2312 void LyXText::cursorUp(BufferView * bview) const
2314 setCursorFromCoordinates(bview, cursor.x_fix(),
2315 cursor.y() - cursor.row()->baseline() - 1);
2319 void LyXText::cursorDown(BufferView * bview) const
2321 setCursorFromCoordinates(bview, cursor.x_fix(),
2322 cursor.y() - cursor.row()->baseline()
2323 + cursor.row()->height() + 1);
2327 void LyXText::cursorUpParagraph(BufferView * bview) const
2329 if (cursor.pos() > 0) {
2330 setCursor(bview, cursor.par(), 0);
2332 else if (cursor.par()->previous()) {
2333 setCursor(bview, cursor.par()->previous(), 0);
2338 void LyXText::cursorDownParagraph(BufferView * bview) const
2340 if (cursor.par()->next()) {
2341 setCursor(bview, cursor.par()->next(), 0);
2343 setCursor(bview, cursor.par(), cursor.par()->size());
2347 // fix the cursor `cur' after a characters has been deleted at `where'
2348 // position. Called by deleteEmptyParagraphMechanism
2349 void LyXText::fixCursorAfterDelete(BufferView * bview,
2351 LyXCursor const & where) const
2353 // if cursor is not in the paragraph where the delete occured,
2355 if (cur.par() != where.par())
2358 // if cursor position is after the place where the delete occured,
2360 if (cur.pos() > where.pos())
2361 cur.pos(cur.pos()-1);
2363 // recompute row et al. for this cursor
2364 setCursor(bview, cur, cur.par(), cur.pos(), cur.boundary());
2368 bool LyXText::deleteEmptyParagraphMechanism(BufferView * bview,
2369 LyXCursor const & old_cursor) const
2371 // Would be wrong to delete anything if we have a selection.
2372 if (selection.set())
2375 // We allow all kinds of "mumbo-jumbo" when freespacing.
2376 if (textclasslist[bview->buffer()->params.textclass][
2377 old_cursor.par()->layout()].free_spacing
2378 || old_cursor.par()->isFreeSpacing())
2383 /* Ok I'll put some comments here about what is missing.
2384 I have fixed BackSpace (and thus Delete) to not delete
2385 double-spaces automagically. I have also changed Cut,
2386 Copy and Paste to hopefully do some sensible things.
2387 There are still some small problems that can lead to
2388 double spaces stored in the document file or space at
2389 the beginning of paragraphs. This happens if you have
2390 the cursor betwenn to spaces and then save. Or if you
2391 cut and paste and the selection have a space at the
2392 beginning and then save right after the paste. I am
2393 sure none of these are very hard to fix, but I will
2394 put out 1.1.4pre2 with FIX_DOUBLE_SPACE defined so
2395 that I can get some feedback. (Lgb)
2398 // If old_cursor.pos() == 0 and old_cursor.pos()(1) == LineSeparator
2399 // delete the LineSeparator.
2402 // If old_cursor.pos() == 1 and old_cursor.pos()(0) == LineSeparator
2403 // delete the LineSeparator.
2406 // If the pos around the old_cursor were spaces, delete one of them.
2407 if (old_cursor.par() != cursor.par()
2408 || old_cursor.pos() != cursor.pos()) {
2409 // Only if the cursor has really moved
2411 if (old_cursor.pos() > 0
2412 && old_cursor.pos() < old_cursor.par()->size()
2413 && old_cursor.par()->isLineSeparator(old_cursor.pos())
2414 && old_cursor.par()->isLineSeparator(old_cursor.pos() - 1)) {
2415 old_cursor.par()->erase(old_cursor.pos() - 1);
2416 redoParagraphs(bview, old_cursor, old_cursor.par()->next());
2418 #ifdef WITH_WARNINGS
2419 #warning This will not work anymore when we have multiple views of the same buffer
2420 // In this case, we will have to correct also the cursors held by
2421 // other bufferviews. It will probably be easier to do that in a more
2422 // automated way in LyXCursor code. (JMarc 26/09/2001)
2424 // correct all cursors held by the LyXText
2425 fixCursorAfterDelete(bview, cursor, old_cursor);
2426 fixCursorAfterDelete(bview, selection.cursor,
2428 fixCursorAfterDelete(bview, selection.start,
2430 fixCursorAfterDelete(bview, selection.end, old_cursor);
2431 fixCursorAfterDelete(bview, last_sel_cursor,
2433 fixCursorAfterDelete(bview, toggle_cursor, old_cursor);
2434 fixCursorAfterDelete(bview, toggle_end_cursor,
2440 // don't delete anything if this is the ONLY paragraph!
2441 if (!old_cursor.par()->next() && !old_cursor.par()->previous())
2444 // Do not delete empty paragraphs with keepempty set.
2446 [bview->buffer()->params.textclass]
2447 [old_cursor.par()->layout()].keepempty)
2450 // only do our magic if we changed paragraph
2451 if (old_cursor.par() == cursor.par())
2454 // record if we have deleted a paragraph
2455 // we can't possibly have deleted a paragraph before this point
2456 bool deleted = false;
2458 if ((old_cursor.par()->size() == 0
2459 || (old_cursor.par()->size() == 1
2460 && old_cursor.par()->isLineSeparator(0)))) {
2461 // ok, we will delete anything
2462 LyXCursor tmpcursor;
2464 // make sure that you do not delete any environments
2465 status(bview, LyXText::NEED_MORE_REFRESH);
2468 if (old_cursor.row()->previous()) {
2469 refresh_row = old_cursor.row()->previous();
2470 refresh_y = old_cursor.y() - old_cursor.row()->baseline() - refresh_row->height();
2472 cursor = old_cursor; // that undo can restore the right cursor position
2473 Paragraph * endpar = old_cursor.par()->next();
2474 if (endpar && endpar->getDepth()) {
2475 while (endpar && endpar->getDepth()) {
2476 endpar = endpar->next();
2479 setUndo(bview, Undo::DELETE, old_cursor.par(), endpar);
2483 removeRow(old_cursor.row());
2484 if (ownerParagraph() == old_cursor.par()) {
2485 ownerParagraph(ownerParagraph()->next());
2488 delete old_cursor.par();
2490 /* Breakagain the next par. Needed because of
2491 * the parindent that can occur or dissappear.
2492 * The next row can change its height, if
2493 * there is another layout before */
2494 if (refresh_row->next()) {
2495 breakAgain(bview, refresh_row->next());
2496 updateCounters(bview, refresh_row);
2498 setHeightOfRow(bview, refresh_row);
2500 refresh_row = old_cursor.row()->next();
2501 refresh_y = old_cursor.y() - old_cursor.row()->baseline();
2504 cursor = old_cursor; // that undo can restore the right cursor position
2505 Paragraph * endpar = old_cursor.par()->next();
2506 if (endpar && endpar->getDepth()) {
2507 while (endpar && endpar->getDepth()) {
2508 endpar = endpar->next();
2511 setUndo(bview, Undo::DELETE, old_cursor.par(), endpar);
2515 removeRow(old_cursor.row());
2517 if (ownerParagraph() == old_cursor.par()) {
2518 ownerParagraph(ownerParagraph()->next());
2521 delete old_cursor.par();
2523 /* Breakagain the next par. Needed because of
2524 the parindent that can occur or dissappear.
2525 The next row can change its height, if
2526 there is another layout before */
2528 breakAgain(bview, refresh_row);
2529 updateCounters(bview, refresh_row->previous());
2534 setCursorIntern(bview, cursor.par(), cursor.pos());
2536 if (selection.cursor.par() == old_cursor.par()
2537 && selection.cursor.pos() == old_cursor.pos()) {
2538 // correct selection
2539 selection.cursor = cursor;
2543 if (old_cursor.par()->stripLeadingSpaces(bview->buffer()->params.textclass)) {
2544 redoParagraphs(bview, old_cursor,
2545 old_cursor.par()->next());
2547 setCursorIntern(bview, cursor.par(), cursor.pos());
2548 selection.cursor = cursor;
2555 void LyXText::toggleAppendix(BufferView * bview)
2557 Paragraph * par = cursor.par();
2558 bool start = !par->params().startOfAppendix();
2560 // ensure that we have only one start_of_appendix in this document
2561 Paragraph * tmp = ownerParagraph();
2562 for (; tmp; tmp = tmp->next()) {
2563 tmp->params().startOfAppendix(false);
2566 par->params().startOfAppendix(start);
2568 // we can set the refreshing parameters now
2569 status(bview, LyXText::NEED_MORE_REFRESH);
2571 refresh_row = 0; // not needed for full update
2572 updateCounters(bview, 0);
2573 setCursor(bview, cursor.par(), cursor.pos());
2577 Paragraph * LyXText::ownerParagraph() const
2580 return inset_owner->paragraph();
2582 return bv_owner->buffer()->paragraph;
2586 void LyXText::ownerParagraph(Paragraph * p) const
2589 inset_owner->paragraph(p);
2591 bv_owner->buffer()->paragraph = p;
2596 void LyXText::ownerParagraph(int id, Paragraph * p) const
2598 Paragraph * op = bv_owner->buffer()->getParFromID(id);
2599 if (op && op->inInset()) {
2600 static_cast<InsetText *>(op->inInset())->paragraph(p);
2607 LyXText::text_status LyXText::status() const
2613 void LyXText::status(BufferView * bview, LyXText::text_status st) const
2615 // well as much as I know && binds more then || so the above and the
2616 // below are identical (this for your known use of parentesis!)
2617 // Now some explanation:
2618 // We should only go up with refreshing code so this means that if
2619 // we have a MORE refresh we should never set it to LITTLE if we still
2620 // didn't handle it (and then it will be UNCHANGED. Now as long as
2621 // we stay inside one LyXText this may work but we need to tell the
2622 // outermost LyXText that it should REALLY draw us if there is some
2623 // change in a Inset::LyXText. So you see that when we are inside a
2624 // inset's LyXText we give the LITTLE to the outermost LyXText to
2625 // tell'em that it should redraw the actual row (where the inset
2626 // resides! Capito?!
2628 if ((status_ != NEED_MORE_REFRESH)
2629 || (status_ == NEED_MORE_REFRESH
2630 && st != NEED_VERY_LITTLE_REFRESH))
2633 if (inset_owner && st != UNCHANGED) {
2634 bview->text->status(bview, NEED_VERY_LITTLE_REFRESH);
2635 if (!bview->text->refresh_row) {
2636 bview->text->refresh_row = bview->text->cursor.row();
2637 bview->text->refresh_y = bview->text->cursor.y() -
2638 bview->text->cursor.row()->baseline();