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 // I don't know if this is necessary here (Jug 20020102)
1651 setUndo(bview, Undo::INSERT, 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);
1657 // If we enter a highly editable inset the cursor should be to before
1658 // the inset. This couldn't happen before as Undo was not handled inside
1659 // inset now after the Undo LyX tries to call inset->Edit(...) again
1660 // and cannot do this as the cursor is behind the inset and GetInset
1661 // does not return the inset!
1662 if (isHighlyEditableInset(inset)) {
1663 cursorLeft(bview, true);
1669 void LyXText::copyEnvironmentType()
1671 copylayouttype = cursor.par()->layout();
1675 void LyXText::pasteEnvironmentType(BufferView * bview)
1677 setLayout(bview, copylayouttype);
1681 void LyXText::cutSelection(BufferView * bview, bool doclear, bool realcut)
1683 // Stuff what we got on the clipboard. Even if there is no selection.
1685 // There is a problem with having the stuffing here in that the
1686 // larger the selection the slower LyX will get. This can be
1687 // solved by running the line below only when the selection has
1688 // finished. The solution used currently just works, to make it
1689 // faster we need to be more clever and probably also have more
1690 // calls to stuffClipboard. (Lgb)
1691 bview->stuffClipboard(selectionAsString(bview->buffer(), true));
1693 // This doesn't make sense, if there is no selection
1694 if (!selection.set())
1697 // OK, we have a selection. This is always between selection.start
1698 // and selection.end
1700 // make sure that the depth behind the selection are restored, too
1701 Paragraph * endpar = selection.end.par()->next();
1702 Paragraph * undoendpar = endpar;
1704 if (endpar && endpar->getDepth()) {
1705 while (endpar && endpar->getDepth()) {
1706 endpar = endpar->next();
1707 undoendpar = endpar;
1709 } else if (endpar) {
1710 endpar = endpar->next(); // because of parindents etc.
1713 setUndo(bview, Undo::DELETE,
1714 selection.start.par(), undoendpar);
1716 // there are two cases: cut only within one paragraph or
1717 // more than one paragraph
1718 if (selection.start.par() == selection.end.par()) {
1719 // only within one paragraph
1720 endpar = selection.end.par();
1721 int pos = selection.end.pos();
1722 CutAndPaste::cutSelection(selection.start.par(), &endpar,
1723 selection.start.pos(), pos,
1724 bview->buffer()->params.textclass,
1726 selection.end.pos(pos);
1728 endpar = selection.end.par();
1729 int pos = selection.end.pos();
1730 CutAndPaste::cutSelection(selection.start.par(), &endpar,
1731 selection.start.pos(), pos,
1732 bview->buffer()->params.textclass,
1735 selection.end.par(endpar);
1736 selection.end.pos(pos);
1737 cursor.pos(selection.end.pos());
1739 endpar = endpar->next();
1741 // sometimes necessary
1743 selection.start.par()->stripLeadingSpaces(bview->buffer()->params.textclass);
1745 redoParagraphs(bview, selection.start, endpar);
1747 // cutSelection can invalidate the cursor so we need to set
1749 cursor = selection.start;
1751 // need a valid cursor. (Lgb)
1754 setCursor(bview, cursor.par(), cursor.pos());
1755 selection.cursor = cursor;
1756 updateCounters(bview, cursor.row());
1760 void LyXText::copySelection(BufferView * bview)
1762 // stuff the selection onto the X clipboard, from an explicit copy request
1763 bview->stuffClipboard(selectionAsString(bview->buffer(), true));
1765 // this doesnt make sense, if there is no selection
1766 if (!selection.set())
1769 // ok we have a selection. This is always between selection.start
1770 // and sel_end cursor
1772 // copy behind a space if there is one
1773 while (selection.start.par()->size() > selection.start.pos()
1774 && selection.start.par()->isLineSeparator(selection.start.pos())
1775 && (selection.start.par() != selection.end.par()
1776 || selection.start.pos() < selection.end.pos()))
1777 selection.start.pos(selection.start.pos() + 1);
1779 CutAndPaste::copySelection(selection.start.par(), selection.end.par(),
1780 selection.start.pos(), selection.end.pos(),
1781 bview->buffer()->params.textclass);
1785 void LyXText::pasteSelection(BufferView * bview)
1787 // this does not make sense, if there is nothing to paste
1788 if (!CutAndPaste::checkPastePossible(cursor.par()))
1791 setUndo(bview, Undo::INSERT,
1792 cursor.par(), cursor.par()->next());
1795 Paragraph * actpar = cursor.par();
1796 int pos = cursor.pos();
1798 CutAndPaste::pasteSelection(&actpar, &endpar, pos,
1799 bview->buffer()->params.textclass);
1801 redoParagraphs(bview, cursor, endpar);
1803 setCursor(bview, cursor.par(), cursor.pos());
1806 selection.cursor = cursor;
1807 setCursor(bview, actpar, pos);
1808 setSelection(bview);
1809 updateCounters(bview, cursor.row());
1813 // sets the selection over the number of characters of string, no check!!
1814 void LyXText::setSelectionOverString(BufferView * bview, string const & str)
1819 selection.cursor = cursor;
1820 for (string::size_type i = 0; i < str.length(); ++i)
1822 setSelection(bview);
1826 // simple replacing. The font of the first selected character is used
1827 void LyXText::replaceSelectionWithString(BufferView * bview,
1830 setCursorParUndo(bview);
1833 if (!selection.set()) { // create a dummy selection
1834 selection.end = cursor;
1835 selection.start = cursor;
1838 // Get font setting before we cut
1839 pos_type pos = selection.end.pos();
1840 LyXFont const font = selection.start.par()
1841 ->getFontSettings(bview->buffer()->params,
1842 selection.start.pos());
1844 // Insert the new string
1845 for (string::const_iterator cit = str.begin(); cit != str.end(); ++cit) {
1846 selection.end.par()->insertChar(pos, (*cit), font);
1850 // Cut the selection
1851 cutSelection(bview, true, false);
1857 // needed to insert the selection
1858 void LyXText::insertStringAsLines(BufferView * bview, string const & str)
1860 Paragraph * par = cursor.par();
1861 pos_type pos = cursor.pos();
1862 Paragraph * endpar = cursor.par()->next();
1864 setCursorParUndo(bview);
1866 // only to be sure, should not be neccessary
1869 bview->buffer()->insertStringAsLines(par, pos, current_font, str);
1871 redoParagraphs(bview, cursor, endpar);
1872 setCursor(bview, cursor.par(), cursor.pos());
1873 selection.cursor = cursor;
1874 setCursor(bview, par, pos);
1875 setSelection(bview);
1879 // turns double-CR to single CR, others where converted into one
1880 // blank. Then InsertStringAsLines is called
1881 void LyXText::insertStringAsParagraphs(BufferView * bview, string const & str)
1883 string linestr(str);
1884 bool newline_inserted = false;
1885 for (string::size_type i = 0; i < linestr.length(); ++i) {
1886 if (linestr[i] == '\n') {
1887 if (newline_inserted) {
1888 // we know that \r will be ignored by
1889 // InsertStringA. Of course, it is a dirty
1890 // trick, but it works...
1891 linestr[i - 1] = '\r';
1895 newline_inserted = true;
1897 } else if (IsPrintable(linestr[i])) {
1898 newline_inserted = false;
1901 insertStringAsLines(bview, linestr);
1905 bool LyXText::gotoNextInset(BufferView * bview,
1906 vector<Inset::Code> const & codes,
1907 string const & contents) const
1909 LyXCursor res = cursor;
1912 if (res.pos() < res.par()->size() - 1) {
1913 res.pos(res.pos() + 1);
1915 res.par(res.par()->next());
1919 } while (res.par() &&
1920 !(res.par()->isInset(res.pos())
1921 && (inset = res.par()->getInset(res.pos())) != 0
1922 && find(codes.begin(), codes.end(), inset->lyxCode())
1924 && (contents.empty() ||
1925 static_cast<InsetCommand *>(res.par()->getInset(res.pos()))->getContents()
1929 setCursor(bview, res.par(), res.pos(), false);
1936 void LyXText::checkParagraph(BufferView * bview, Paragraph * par,
1939 LyXCursor tmpcursor;
1943 Row * row = getRow(par, pos, y);
1945 // is there a break one row above
1946 if (row->previous() && row->previous()->par() == row->par()) {
1947 z = nextBreakPoint(bview, row->previous(), workWidth(bview));
1948 if (z >= row->pos()) {
1949 // set the dimensions of the row above
1950 y -= row->previous()->height();
1952 refresh_row = row->previous();
1953 status(bview, LyXText::NEED_MORE_REFRESH);
1955 breakAgain(bview, row->previous());
1957 // set the cursor again. Otherwise
1958 // dangling pointers are possible
1959 setCursor(bview, cursor.par(), cursor.pos(),
1960 false, cursor.boundary());
1961 selection.cursor = cursor;
1966 int const tmpheight = row->height();
1967 pos_type const tmplast = rowLast(row);
1971 breakAgain(bview, row);
1972 if (row->height() == tmpheight && rowLast(row) == tmplast)
1973 status(bview, LyXText::NEED_VERY_LITTLE_REFRESH);
1975 status(bview, LyXText::NEED_MORE_REFRESH);
1977 // check the special right address boxes
1978 if (textclasslist[bview->buffer()->params.textclass][
1979 par->layout()].margintype
1980 == MARGIN_RIGHT_ADDRESS_BOX)
1988 redoDrawingOfParagraph(bview, tmpcursor);
1991 // set the cursor again. Otherwise dangling pointers are possible
1992 // also set the selection
1994 if (selection.set()) {
1996 setCursorIntern(bview, selection.cursor.par(), selection.cursor.pos(),
1997 false, selection.cursor.boundary());
1998 selection.cursor = cursor;
1999 setCursorIntern(bview, selection.start.par(),
2000 selection.start.pos(),
2001 false, selection.start.boundary());
2002 selection.start = cursor;
2003 setCursorIntern(bview, selection.end.par(),
2004 selection.end.pos(),
2005 false, selection.end.boundary());
2006 selection.end = cursor;
2007 setCursorIntern(bview, last_sel_cursor.par(),
2008 last_sel_cursor.pos(),
2009 false, last_sel_cursor.boundary());
2010 last_sel_cursor = cursor;
2013 setCursorIntern(bview, cursor.par(), cursor.pos(),
2014 false, cursor.boundary());
2018 // returns false if inset wasn't found
2019 bool LyXText::updateInset(BufferView * bview, Inset * inset)
2021 // first check the current paragraph
2022 int pos = cursor.par()->getPositionOfInset(inset);
2024 checkParagraph(bview, cursor.par(), pos);
2028 // check every paragraph
2030 Paragraph * par = ownerParagraph();
2032 pos = par->getPositionOfInset(inset);
2034 checkParagraph(bview, par, pos);
2044 bool LyXText::setCursor(BufferView * bview, Paragraph * par,
2046 bool setfont, bool boundary) const
2048 LyXCursor old_cursor = cursor;
2049 setCursorIntern(bview, par, pos, setfont, boundary);
2050 return deleteEmptyParagraphMechanism(bview, old_cursor);
2054 void LyXText::setCursor(BufferView * bview, LyXCursor & cur, Paragraph * par,
2055 pos_type pos, bool boundary) const
2062 cur.boundary(boundary);
2064 // get the cursor y position in text
2066 Row * row = getRow(par, pos, y);
2067 Row * old_row = row;
2068 // if we are before the first char of this row and are still in the
2069 // same paragraph and there is a previous row then put the cursor on
2070 // the end of the previous row
2071 cur.iy(y + row->baseline());
2073 if (pos && 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 // now get the cursors x position
2088 float fill_separator;
2090 float fill_label_hfill;
2091 prepareToPrint(bview, row, x, fill_separator, fill_hfill,
2093 pos_type cursor_vpos = 0;
2094 pos_type last = rowLastPrintable(old_row);
2096 if (pos > last + 1) {
2097 // This shouldn't happen.
2100 } else if (pos < row->pos()) {
2105 if (last < row->pos())
2106 cursor_vpos = row->pos();
2107 else if (pos > last && !boundary)
2108 cursor_vpos = (row->par()->isRightToLeftPar(bview->buffer()->params))
2109 ? row->pos() : last + 1;
2110 else if (pos > row->pos() &&
2111 (pos > last || boundary))
2112 /// Place cursor after char at (logical) position pos - 1
2113 cursor_vpos = (bidi_level(pos - 1) % 2 == 0)
2114 ? log2vis(pos - 1) + 1 : log2vis(pos - 1);
2116 /// Place cursor before char at (logical) position pos
2117 cursor_vpos = (bidi_level(pos) % 2 == 0)
2118 ? log2vis(pos) : log2vis(pos) + 1;
2120 pos_type main_body =
2121 beginningOfMainBody(bview->buffer(), row->par());
2122 if ((main_body > 0) &&
2123 ((main_body-1 > last) ||
2124 !row->par()->isLineSeparator(main_body-1)))
2127 for (pos_type vpos = row->pos(); vpos < cursor_vpos; ++vpos) {
2128 pos = vis2log(vpos);
2129 if (main_body > 0 && pos == main_body - 1) {
2130 x += fill_label_hfill +
2131 lyxfont::width(textclasslist[
2132 bview->buffer()->params.textclass][
2133 row->par()->layout()]
2135 getLabelFont(bview->buffer(), row->par()));
2136 if (row->par()->isLineSeparator(main_body-1))
2137 x -= singleWidth(bview, row->par(),main_body-1);
2139 if (hfillExpansion(bview->buffer(), row, pos)) {
2140 x += singleWidth(bview, row->par(), pos);
2141 if (pos >= main_body)
2144 x += fill_label_hfill;
2145 } else if (row->par()->isSeparator(pos)) {
2146 x += singleWidth(bview, row->par(), pos);
2147 if (pos >= main_body)
2148 x += fill_separator;
2150 x += singleWidth(bview, row->par(), pos);
2158 void LyXText::setCursorIntern(BufferView * bview, Paragraph * par,
2159 pos_type pos, bool setfont, bool boundary) const
2161 InsetText * it = static_cast<InsetText *>(par->inInset());
2163 if (it != inset_owner) {
2164 lyxerr[Debug::INSETS] << "InsetText is " << it
2166 << "inset_owner is "
2167 << inset_owner << endl;
2168 #ifdef WITH_WARNINGS
2169 #warning I believe this code is wrong. (Lgb)
2170 #warning Jürgen, have a look at this. (Lgb)
2171 #warning Hmmm, I guess you are right but we
2172 #warning should verify when this is needed
2174 // Jürgen, would you like to have a look?
2175 // I guess we need to move the outer cursor
2176 // and open and lock the inset (bla bla bla)
2177 // stuff I don't know... so can you have a look?
2179 // I moved the lyxerr stuff in here so we can see if
2180 // this is actually really needed and where!
2182 // it->getLyXText(bview)->setCursorIntern(bview, par, pos, setfont, boundary);
2187 setCursor(bview, cursor, par, pos, boundary);
2189 setCurrentFont(bview);
2193 void LyXText::setCurrentFont(BufferView * bview) const
2195 pos_type pos = cursor.pos();
2196 if (cursor.boundary() && pos > 0)
2200 if (pos == cursor.par()->size())
2202 else // potentional bug... BUG (Lgb)
2203 if (cursor.par()->isSeparator(pos)) {
2204 if (pos > cursor.row()->pos() &&
2205 bidi_level(pos) % 2 ==
2206 bidi_level(pos - 1) % 2)
2208 else if (pos + 1 < cursor.par()->size())
2214 cursor.par()->getFontSettings(bview->buffer()->params, pos);
2215 real_current_font = getFont(bview->buffer(), cursor.par(), pos);
2217 if (cursor.pos() == cursor.par()->size() &&
2218 isBoundary(bview->buffer(), cursor.par(), cursor.pos()) &&
2219 !cursor.boundary()) {
2220 Language const * lang =
2221 cursor.par()->getParLanguage(bview->buffer()->params);
2222 current_font.setLanguage(lang);
2223 current_font.setNumber(LyXFont::OFF);
2224 real_current_font.setLanguage(lang);
2225 real_current_font.setNumber(LyXFont::OFF);
2230 void LyXText::setCursorFromCoordinates(BufferView * bview, int x, int y) const
2232 LyXCursor old_cursor = cursor;
2234 setCursorFromCoordinates(bview, cursor, x, y);
2235 setCurrentFont(bview);
2236 deleteEmptyParagraphMechanism(bview, old_cursor);
2240 void LyXText::setCursorFromCoordinates(BufferView * bview, LyXCursor & cur,
2243 // Get the row first.
2245 Row * row = getRowNearY(y);
2247 pos_type const column = getColumnNearX(bview, row, x, bound);
2248 cur.par(row->par());
2249 cur.pos(row->pos() + column);
2251 cur.y(y + row->baseline());
2254 cur.boundary(bound);
2258 void LyXText::cursorLeft(BufferView * bview, bool internal) const
2260 if (cursor.pos() > 0) {
2261 bool boundary = cursor.boundary();
2262 setCursor(bview, cursor.par(), cursor.pos() - 1, true, false);
2263 if (!internal && !boundary &&
2264 isBoundary(bview->buffer(), cursor.par(), cursor.pos() + 1))
2265 setCursor(bview, cursor.par(), cursor.pos() + 1, true, true);
2266 } else if (cursor.par()->previous()) { // steps into the above paragraph.
2267 Paragraph * par = cursor.par()->previous();
2268 setCursor(bview, par, par->size());
2273 void LyXText::cursorRight(BufferView * bview, bool internal) const
2275 if (!internal && cursor.boundary() &&
2276 !cursor.par()->isNewline(cursor.pos()))
2277 setCursor(bview, cursor.par(), cursor.pos(), true, false);
2278 else if (cursor.pos() < cursor.par()->size()) {
2279 setCursor(bview, cursor.par(), cursor.pos() + 1, true, false);
2281 isBoundary(bview->buffer(), cursor.par(), cursor.pos()))
2282 setCursor(bview, cursor.par(), cursor.pos(), true, true);
2283 } else if (cursor.par()->next())
2284 setCursor(bview, cursor.par()->next(), 0);
2288 void LyXText::cursorUp(BufferView * bview) const
2290 setCursorFromCoordinates(bview, cursor.x_fix(),
2291 cursor.y() - cursor.row()->baseline() - 1);
2295 void LyXText::cursorDown(BufferView * bview) const
2297 setCursorFromCoordinates(bview, cursor.x_fix(),
2298 cursor.y() - cursor.row()->baseline()
2299 + cursor.row()->height() + 1);
2303 void LyXText::cursorUpParagraph(BufferView * bview) const
2305 if (cursor.pos() > 0) {
2306 setCursor(bview, cursor.par(), 0);
2308 else if (cursor.par()->previous()) {
2309 setCursor(bview, cursor.par()->previous(), 0);
2314 void LyXText::cursorDownParagraph(BufferView * bview) const
2316 if (cursor.par()->next()) {
2317 setCursor(bview, cursor.par()->next(), 0);
2319 setCursor(bview, cursor.par(), cursor.par()->size());
2323 // fix the cursor `cur' after a characters has been deleted at `where'
2324 // position. Called by deleteEmptyParagraphMechanism
2325 void LyXText::fixCursorAfterDelete(BufferView * bview,
2327 LyXCursor const & where) const
2329 // if cursor is not in the paragraph where the delete occured,
2331 if (cur.par() != where.par())
2334 // if cursor position is after the place where the delete occured,
2336 if (cur.pos() > where.pos())
2337 cur.pos(cur.pos()-1);
2339 // recompute row et al. for this cursor
2340 setCursor(bview, cur, cur.par(), cur.pos(), cur.boundary());
2344 bool LyXText::deleteEmptyParagraphMechanism(BufferView * bview,
2345 LyXCursor const & old_cursor) const
2347 // Would be wrong to delete anything if we have a selection.
2348 if (selection.set())
2351 // We allow all kinds of "mumbo-jumbo" when freespacing.
2352 if (textclasslist[bview->buffer()->params.textclass][
2353 old_cursor.par()->layout()].free_spacing
2354 || old_cursor.par()->isFreeSpacing())
2359 /* Ok I'll put some comments here about what is missing.
2360 I have fixed BackSpace (and thus Delete) to not delete
2361 double-spaces automagically. I have also changed Cut,
2362 Copy and Paste to hopefully do some sensible things.
2363 There are still some small problems that can lead to
2364 double spaces stored in the document file or space at
2365 the beginning of paragraphs. This happens if you have
2366 the cursor betwenn to spaces and then save. Or if you
2367 cut and paste and the selection have a space at the
2368 beginning and then save right after the paste. I am
2369 sure none of these are very hard to fix, but I will
2370 put out 1.1.4pre2 with FIX_DOUBLE_SPACE defined so
2371 that I can get some feedback. (Lgb)
2374 // If old_cursor.pos() == 0 and old_cursor.pos()(1) == LineSeparator
2375 // delete the LineSeparator.
2378 // If old_cursor.pos() == 1 and old_cursor.pos()(0) == LineSeparator
2379 // delete the LineSeparator.
2382 // If the pos around the old_cursor were spaces, delete one of them.
2383 if (old_cursor.par() != cursor.par()
2384 || old_cursor.pos() != cursor.pos()) {
2385 // Only if the cursor has really moved
2387 if (old_cursor.pos() > 0
2388 && old_cursor.pos() < old_cursor.par()->size()
2389 && old_cursor.par()->isLineSeparator(old_cursor.pos())
2390 && old_cursor.par()->isLineSeparator(old_cursor.pos() - 1)) {
2391 old_cursor.par()->erase(old_cursor.pos() - 1);
2392 redoParagraphs(bview, old_cursor, old_cursor.par()->next());
2394 #ifdef WITH_WARNINGS
2395 #warning This will not work anymore when we have multiple views of the same buffer
2396 // In this case, we will have to correct also the cursors held by
2397 // other bufferviews. It will probably be easier to do that in a more
2398 // automated way in LyXCursor code. (JMarc 26/09/2001)
2400 // correct all cursors held by the LyXText
2401 fixCursorAfterDelete(bview, cursor, old_cursor);
2402 fixCursorAfterDelete(bview, selection.cursor,
2404 fixCursorAfterDelete(bview, selection.start,
2406 fixCursorAfterDelete(bview, selection.end, old_cursor);
2407 fixCursorAfterDelete(bview, last_sel_cursor,
2409 fixCursorAfterDelete(bview, toggle_cursor, old_cursor);
2410 fixCursorAfterDelete(bview, toggle_end_cursor,
2416 // don't delete anything if this is the ONLY paragraph!
2417 if (!old_cursor.par()->next() && !old_cursor.par()->previous())
2420 // Do not delete empty paragraphs with keepempty set.
2422 [bview->buffer()->params.textclass]
2423 [old_cursor.par()->layout()].keepempty)
2426 // only do our magic if we changed paragraph
2427 if (old_cursor.par() == cursor.par())
2430 // record if we have deleted a paragraph
2431 // we can't possibly have deleted a paragraph before this point
2432 bool deleted = false;
2434 if ((old_cursor.par()->size() == 0
2435 || (old_cursor.par()->size() == 1
2436 && old_cursor.par()->isLineSeparator(0)))) {
2437 // ok, we will delete anything
2438 LyXCursor tmpcursor;
2440 // make sure that you do not delete any environments
2441 status(bview, LyXText::NEED_MORE_REFRESH);
2444 if (old_cursor.row()->previous()) {
2445 refresh_row = old_cursor.row()->previous();
2446 refresh_y = old_cursor.y() - old_cursor.row()->baseline() - refresh_row->height();
2448 cursor = old_cursor; // that undo can restore the right cursor position
2449 Paragraph * endpar = old_cursor.par()->next();
2450 if (endpar && endpar->getDepth()) {
2451 while (endpar && endpar->getDepth()) {
2452 endpar = endpar->next();
2455 setUndo(bview, Undo::DELETE, old_cursor.par(), endpar);
2459 removeRow(old_cursor.row());
2460 if (ownerParagraph() == old_cursor.par()) {
2461 ownerParagraph(ownerParagraph()->next());
2464 delete old_cursor.par();
2466 /* Breakagain the next par. Needed because of
2467 * the parindent that can occur or dissappear.
2468 * The next row can change its height, if
2469 * there is another layout before */
2470 if (refresh_row->next()) {
2471 breakAgain(bview, refresh_row->next());
2472 updateCounters(bview, refresh_row);
2474 setHeightOfRow(bview, refresh_row);
2476 refresh_row = old_cursor.row()->next();
2477 refresh_y = old_cursor.y() - old_cursor.row()->baseline();
2480 cursor = old_cursor; // that undo can restore the right cursor position
2481 Paragraph * endpar = old_cursor.par()->next();
2482 if (endpar && endpar->getDepth()) {
2483 while (endpar && endpar->getDepth()) {
2484 endpar = endpar->next();
2487 setUndo(bview, Undo::DELETE, old_cursor.par(), endpar);
2491 removeRow(old_cursor.row());
2493 if (ownerParagraph() == old_cursor.par()) {
2494 ownerParagraph(ownerParagraph()->next());
2497 delete old_cursor.par();
2499 /* Breakagain the next par. Needed because of
2500 the parindent that can occur or dissappear.
2501 The next row can change its height, if
2502 there is another layout before */
2504 breakAgain(bview, refresh_row);
2505 updateCounters(bview, refresh_row->previous());
2510 setCursorIntern(bview, cursor.par(), cursor.pos());
2512 if (selection.cursor.par() == old_cursor.par()
2513 && selection.cursor.pos() == old_cursor.pos()) {
2514 // correct selection
2515 selection.cursor = cursor;
2519 if (old_cursor.par()->stripLeadingSpaces(bview->buffer()->params.textclass)) {
2520 redoParagraphs(bview, old_cursor,
2521 old_cursor.par()->next());
2523 setCursorIntern(bview, cursor.par(), cursor.pos());
2524 selection.cursor = cursor;
2531 void LyXText::toggleAppendix(BufferView * bview)
2533 Paragraph * par = cursor.par();
2534 bool start = !par->params().startOfAppendix();
2536 // ensure that we have only one start_of_appendix in this document
2537 Paragraph * tmp = ownerParagraph();
2538 for (; tmp; tmp = tmp->next()) {
2539 tmp->params().startOfAppendix(false);
2542 par->params().startOfAppendix(start);
2544 // we can set the refreshing parameters now
2545 status(bview, LyXText::NEED_MORE_REFRESH);
2547 refresh_row = 0; // not needed for full update
2548 updateCounters(bview, 0);
2549 setCursor(bview, cursor.par(), cursor.pos());
2553 Paragraph * LyXText::ownerParagraph() const
2556 return inset_owner->paragraph();
2558 return bv_owner->buffer()->paragraph;
2562 void LyXText::ownerParagraph(Paragraph * p) const
2565 inset_owner->paragraph(p);
2567 bv_owner->buffer()->paragraph = p;
2572 void LyXText::ownerParagraph(int id, Paragraph * p) const
2574 Paragraph * op = bv_owner->buffer()->getParFromID(id);
2575 if (op && op->inInset()) {
2576 static_cast<InsetText *>(op->inInset())->paragraph(p);
2583 LyXText::text_status LyXText::status() const
2589 void LyXText::status(BufferView * bview, LyXText::text_status st) const
2591 // well as much as I know && binds more then || so the above and the
2592 // below are identical (this for your known use of parentesis!)
2593 // Now some explanation:
2594 // We should only go up with refreshing code so this means that if
2595 // we have a MORE refresh we should never set it to LITTLE if we still
2596 // didn't handle it (and then it will be UNCHANGED. Now as long as
2597 // we stay inside one LyXText this may work but we need to tell the
2598 // outermost LyXText that it should REALLY draw us if there is some
2599 // change in a Inset::LyXText. So you see that when we are inside a
2600 // inset's LyXText we give the LITTLE to the outermost LyXText to
2601 // tell'em that it should redraw the actual row (where the inset
2602 // resides! Capito?!
2604 if ((status_ != NEED_MORE_REFRESH)
2605 || (status_ == NEED_MORE_REFRESH
2606 && st != NEED_VERY_LITTLE_REFRESH))
2609 if (inset_owner && st != UNCHANGED) {
2610 bview->text->status(bview, NEED_VERY_LITTLE_REFRESH);
2611 if (!bview->text->refresh_row) {
2612 bview->text->refresh_row = bview->text->cursor.row();
2613 bview->text->refresh_y = bview->text->cursor.y() -
2614 bview->text->cursor.row()->baseline();