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 * ====================================================== */
16 #include "paragraph.h"
17 #include "funcrequest.h"
18 #include "frontends/LyXView.h"
19 #include "undo_funcs.h"
21 #include "bufferparams.h"
22 #include "errorlist.h"
24 #include "BufferView.h"
25 #include "CutAndPaste.h"
26 #include "frontends/Painter.h"
27 #include "frontends/font_metrics.h"
31 #include "FloatList.h"
33 #include "ParagraphParameters.h"
35 #include "lyxrow_funcs.h"
36 #include "paragraph_funcs.h"
38 #include "insets/insetbibitem.h"
39 #include "insets/insetenv.h"
40 #include "insets/insetfloat.h"
41 #include "insets/insetwrap.h"
43 #include "support/LAssert.h"
44 #include "support/textutils.h"
45 #include "support/lstrings.h"
47 #include <boost/tuple/tuple.hpp>
57 LyXText::LyXText(BufferView * bv)
58 : height(0), width(0), anchor_row_offset_(0),
59 inset_owner(0), the_locking_inset(0), bv_owner(bv)
61 anchor_row_ = rows().end();
62 need_break_row = rows().end();
63 refresh_row = rows().end();
69 LyXText::LyXText(BufferView * bv, InsetText * inset)
70 : height(0), width(0), anchor_row_offset_(0),
71 inset_owner(inset), the_locking_inset(0), bv_owner(bv)
73 anchor_row_ = rows().end();
74 need_break_row = rows().end();
75 refresh_row = rows().end();
81 void LyXText::init(BufferView * bview, bool reinit)
85 need_break_row = rows().end();
89 } else if (!rowlist_.empty())
92 ParagraphList::iterator pit = ownerParagraphs().begin();
93 ParagraphList::iterator end = ownerParagraphs().end();
95 current_font = getFont(bview->buffer(), pit, 0);
97 for (; pit != end; ++pit) {
98 insertParagraph(pit, rowlist_.end());
100 setCursorIntern(rowlist_.begin()->par(), 0);
101 selection.cursor = cursor;
107 // Gets the fully instantiated font at a given position in a paragraph
108 // Basically the same routine as Paragraph::getFont() in paragraph.C.
109 // The difference is that this one is used for displaying, and thus we
110 // are allowed to make cosmetic improvements. For instance make footnotes
112 // If position is -1, we get the layout font of the paragraph.
113 // If position is -2, we get the font of the manual label of the paragraph.
114 LyXFont const LyXText::getFont(Buffer const * buf, ParagraphList::iterator pit,
117 lyx::Assert(pos >= 0);
119 LyXLayout_ptr const & layout = pit->layout();
121 // We specialize the 95% common case:
122 if (!pit->getDepth()) {
123 if (layout->labeltype == LABEL_MANUAL
124 && pos < pit->beginningOfBody()) {
126 LyXFont f = pit->getFontSettings(buf->params, pos);
128 pit->inInset()->getDrawFont(f);
129 return f.realize(layout->reslabelfont);
131 LyXFont f = pit->getFontSettings(buf->params, pos);
133 pit->inInset()->getDrawFont(f);
134 return f.realize(layout->resfont);
138 // The uncommon case need not be optimized as much
142 if (pos < pit->beginningOfBody()) {
144 layoutfont = layout->labelfont;
147 layoutfont = layout->font;
150 LyXFont tmpfont = pit->getFontSettings(buf->params, pos);
151 tmpfont.realize(layoutfont);
154 pit->inInset()->getDrawFont(tmpfont);
156 // Realize with the fonts of lesser depth.
157 tmpfont.realize(outerFont(pit, ownerParagraphs()));
159 return realizeFont(tmpfont, buf->params);
163 LyXFont const LyXText::getLayoutFont(Buffer const * buf,
164 ParagraphList::iterator pit) const
166 LyXLayout_ptr const & layout = pit->layout();
168 if (!pit->getDepth()) {
169 return layout->resfont;
172 LyXFont font(layout->font);
173 // Realize with the fonts of lesser depth.
174 font.realize(outerFont(pit, ownerParagraphs()));
176 return realizeFont(font, buf->params);
180 LyXFont const LyXText::getLabelFont(Buffer const * buf,
181 ParagraphList::iterator pit) const
183 LyXLayout_ptr const & layout = pit->layout();
185 if (!pit->getDepth()) {
186 return layout->reslabelfont;
189 LyXFont font(layout->labelfont);
190 // Realize with the fonts of lesser depth.
191 font.realize(outerFont(pit, ownerParagraphs()));
193 return realizeFont(layout->labelfont, buf->params);
197 void LyXText::setCharFont(ParagraphList::iterator pit,
198 pos_type pos, LyXFont const & fnt,
201 Buffer const * buf = bv()->buffer();
202 LyXFont font = getFont(buf, pit, pos);
203 font.update(fnt, buf->params.language, toggleall);
204 // Let the insets convert their font
205 if (pit->isInset(pos)) {
206 Inset * inset = pit->getInset(pos);
207 if (isEditableInset(inset)) {
208 UpdatableInset * uinset =
209 static_cast<UpdatableInset *>(inset);
210 uinset->setFont(bv(), fnt, toggleall, true);
214 // Plug thru to version below:
215 setCharFont(buf, pit, pos, font);
219 void LyXText::setCharFont(Buffer const * buf, ParagraphList::iterator pit,
220 pos_type pos, LyXFont const & fnt)
224 LyXTextClass const & tclass = buf->params.getLyXTextClass();
225 LyXLayout_ptr const & layout = pit->layout();
227 // Get concrete layout font to reduce against
230 if (pos < pit->beginningOfBody())
231 layoutfont = layout->labelfont;
233 layoutfont = layout->font;
235 // Realize against environment font information
236 if (pit->getDepth()) {
237 ParagraphList::iterator tp = pit;
238 while (!layoutfont.resolved() &&
239 tp != ownerParagraphs().end() &&
241 tp = outerHook(tp, ownerParagraphs());
242 if (tp != ownerParagraphs().end())
243 layoutfont.realize(tp->layout()->font);
247 layoutfont.realize(tclass.defaultfont());
249 // Now, reduce font against full layout font
250 font.reduce(layoutfont);
252 pit->setFont(pos, font);
256 // removes the row and reset the touched counters
257 void LyXText::removeRow(RowList::iterator rit)
259 /* FIXME: when we cache the bview, this should just
260 * become a postPaint(), I think */
261 if (refresh_row == rit) {
262 if (rit == rows().begin())
263 refresh_row = boost::next(rit);
265 refresh_row = boost::prior(rit);
267 // what about refresh_y
270 if (anchor_row_ == rit) {
271 if (rit != rows().begin()) {
272 anchor_row_ = boost::prior(rit);
273 anchor_row_offset_ += anchor_row_->height();
275 anchor_row_ = boost::next(rit);
276 anchor_row_offset_ -= rit->height();
280 // the text becomes smaller
281 height -= rit->height();
287 // remove all following rows of the paragraph of the specified row.
288 void LyXText::removeParagraph(RowList::iterator rit)
290 ParagraphList::iterator tmppit = rit->par();
293 while (rit != rows().end() && rit->par() == tmppit) {
294 RowList::iterator tmprit = boost::next(rit);
301 void LyXText::insertParagraph(ParagraphList::iterator pit,
302 RowList::iterator rowit)
304 // insert a new row, starting at position 0
306 RowList::iterator rit = rowlist_.insert(rowit, newrow);
308 // and now append the whole paragraph before the new row
309 appendParagraph(rit);
313 Inset * LyXText::getInset() const
315 ParagraphList::iterator pit = cursor.par();
316 pos_type const pos = cursor.pos();
318 if (pos < pit->size() && pit->isInset(pos)) {
319 return pit->getInset(pos);
325 void LyXText::toggleInset()
327 Inset * inset = getInset();
328 // is there an editable inset at cursor position?
329 if (!isEditableInset(inset)) {
330 // No, try to see if we are inside a collapsable inset
331 if (inset_owner && inset_owner->owner()
332 && inset_owner->owner()->isOpen()) {
333 bv()->unlockInset(static_cast<UpdatableInset *>(inset_owner->owner()));
334 inset_owner->owner()->close(bv());
335 bv()->getLyXText()->cursorRight(bv());
339 //bv()->owner()->message(inset->editMessage());
341 // do we want to keep this?? (JMarc)
342 if (!isHighlyEditableInset(inset))
343 setCursorParUndo(bv());
345 if (inset->isOpen()) {
351 bv()->updateInset(inset);
355 /* used in setlayout */
356 // Asger is not sure we want to do this...
357 void LyXText::makeFontEntriesLayoutSpecific(Buffer const & buf,
360 LyXLayout_ptr const & layout = par.layout();
361 pos_type const psize = par.size();
364 for (pos_type pos = 0; pos < psize; ++pos) {
365 if (pos < par.beginningOfBody())
366 layoutfont = layout->labelfont;
368 layoutfont = layout->font;
370 LyXFont tmpfont = par.getFontSettings(buf.params, pos);
371 tmpfont.reduce(layoutfont);
372 par.setFont(pos, tmpfont);
377 ParagraphList::iterator
378 LyXText::setLayout(LyXCursor & cur, LyXCursor & sstart_cur,
379 LyXCursor & send_cur,
380 string const & layout)
382 ParagraphList::iterator endpit = boost::next(send_cur.par());
383 ParagraphList::iterator undoendpit = endpit;
384 ParagraphList::iterator pars_end = ownerParagraphs().end();
386 if (endpit != pars_end && endpit->getDepth()) {
387 while (endpit != pars_end && endpit->getDepth()) {
391 } else if (endpit != pars_end) {
392 // because of parindents etc.
396 setUndo(bv(), Undo::EDIT, sstart_cur.par(), boost::prior(undoendpit));
398 // ok we have a selection. This is always between sstart_cur
399 // and sel_end cursor
401 ParagraphList::iterator pit = sstart_cur.par();
402 ParagraphList::iterator epit = boost::next(send_cur.par());
404 LyXLayout_ptr const & lyxlayout =
405 bv()->buffer()->params.getLyXTextClass()[layout];
408 pit->applyLayout(lyxlayout);
409 makeFontEntriesLayoutSpecific(*bv()->buffer(), *pit);
410 ParagraphList::iterator fppit = pit;
411 fppit->params().spaceTop(lyxlayout->fill_top ?
412 VSpace(VSpace::VFILL)
413 : VSpace(VSpace::NONE));
414 fppit->params().spaceBottom(lyxlayout->fill_bottom ?
415 VSpace(VSpace::VFILL)
416 : VSpace(VSpace::NONE));
417 if (lyxlayout->margintype == MARGIN_MANUAL)
418 pit->setLabelWidthString(lyxlayout->labelstring());
421 } while (pit != epit);
427 // set layout over selection and make a total rebreak of those paragraphs
428 void LyXText::setLayout(string const & layout)
430 LyXCursor tmpcursor = cursor; // store the current cursor
432 // if there is no selection just set the layout
433 // of the current paragraph
434 if (!selection.set()) {
435 selection.start = cursor; // dummy selection
436 selection.end = cursor;
439 // special handling of new environment insets
440 BufferParams const & params = bv()->buffer()->params;
441 LyXLayout_ptr const & lyxlayout = params.getLyXTextClass()[layout];
442 if (lyxlayout->is_environment) {
443 // move everything in a new environment inset
444 lyxerr << "setting layout " << layout << endl;
445 bv()->owner()->dispatch(FuncRequest(LFUN_HOME));
446 bv()->owner()->dispatch(FuncRequest(LFUN_ENDSEL));
447 bv()->owner()->dispatch(FuncRequest(LFUN_CUT));
448 Inset * inset = new InsetEnvironment(params, layout);
449 if (bv()->insertInset(inset)) {
451 //bv()->owner()->dispatch(FuncRequest(LFUN_PASTE));
458 ParagraphList::iterator endpit = setLayout(cursor, selection.start,
459 selection.end, layout);
460 redoParagraphs(selection.start, endpit);
462 // we have to reset the selection, because the
463 // geometry could have changed
464 setCursor(selection.start.par(), selection.start.pos(), false);
465 selection.cursor = cursor;
466 setCursor(selection.end.par(), selection.end.pos(), false);
470 setCursor(tmpcursor.par(), tmpcursor.pos(), true);
474 bool LyXText::changeDepth(bv_funcs::DEPTH_CHANGE type, bool test_only)
476 ParagraphList::iterator pit(cursor.par());
477 ParagraphList::iterator end(cursor.par());
478 ParagraphList::iterator start = pit;
480 if (selection.set()) {
481 pit = selection.start.par();
482 end = selection.end.par();
486 ParagraphList::iterator pastend = boost::next(end);
489 setUndo(bv(), Undo::EDIT, start, end);
491 bool changed = false;
493 int prev_after_depth = 0;
494 #warning parlist ... could be nicer ?
495 if (start != ownerParagraphs().begin()) {
496 prev_after_depth = boost::prior(start)->getMaxDepthAfter();
500 int const depth = pit->params().depth();
501 if (type == bv_funcs::INC_DEPTH) {
502 if (depth < prev_after_depth
503 && pit->layout()->labeltype != LABEL_BIBLIO) {
506 pit->params().depth(depth + 1);
513 pit->params().depth(depth - 1);
516 prev_after_depth = pit->getMaxDepthAfter();
528 // Wow, redoParagraphs is stupid.
530 setCursor(tmpcursor, start, 0);
532 //redoParagraphs(tmpcursor, &(*pastend));
533 redoParagraphs(tmpcursor, pastend);
535 // We need to actually move the text->cursor. I don't
536 // understand why ...
539 // we have to reset the visual selection because the
540 // geometry could have changed
541 if (selection.set()) {
542 setCursor(selection.start.par(), selection.start.pos());
543 selection.cursor = cursor;
544 setCursor(selection.end.par(), selection.end.pos());
547 // this handles the counter labels, and also fixes up
548 // depth values for follow-on (child) paragraphs
552 setCursor(tmpcursor.par(), tmpcursor.pos());
558 // set font over selection and make a total rebreak of those paragraphs
559 void LyXText::setFont(LyXFont const & font, bool toggleall)
561 // if there is no selection just set the current_font
562 if (!selection.set()) {
563 // Determine basis font
565 if (cursor.pos() < cursor.par()->beginningOfBody()) {
566 layoutfont = getLabelFont(bv()->buffer(),
569 layoutfont = getLayoutFont(bv()->buffer(),
572 // Update current font
573 real_current_font.update(font,
574 bv()->buffer()->params.language,
577 // Reduce to implicit settings
578 current_font = real_current_font;
579 current_font.reduce(layoutfont);
580 // And resolve it completely
581 real_current_font.realize(layoutfont);
586 LyXCursor tmpcursor = cursor; // store the current cursor
588 // ok we have a selection. This is always between sel_start_cursor
589 // and sel_end cursor
591 setUndo(bv(), Undo::EDIT, selection.start.par(), selection.end.par());
593 cursor = selection.start;
594 while (cursor.par() != selection.end.par() ||
595 cursor.pos() < selection.end.pos())
597 if (cursor.pos() < cursor.par()->size()) {
598 // an open footnote should behave like a closed one
599 setCharFont(cursor.par(), cursor.pos(),
601 cursor.pos(cursor.pos() + 1);
604 cursor.par(boost::next(cursor.par()));
609 redoParagraphs(selection.start, boost::next(selection.end.par()));
611 // we have to reset the selection, because the
612 // geometry could have changed, but we keep
613 // it for user convenience
614 setCursor(selection.start.par(), selection.start.pos());
615 selection.cursor = cursor;
616 setCursor(selection.end.par(), selection.end.pos());
618 setCursor(tmpcursor.par(), tmpcursor.pos(), true,
619 tmpcursor.boundary());
623 void LyXText::redoHeightOfParagraph()
625 RowList::iterator tmprow = cursor.row();
626 int y = cursor.y() - tmprow->baseline();
628 setHeightOfRow(tmprow);
630 while (tmprow != rows().begin()
631 && boost::prior(tmprow)->par() == tmprow->par()) {
633 y -= tmprow->height();
634 setHeightOfRow(tmprow);
639 setCursor(cursor.par(), cursor.pos(), false, cursor.boundary());
643 void LyXText::redoDrawingOfParagraph(LyXCursor const & cur)
645 RowList::iterator tmprow = cur.row();
647 int y = cur.y() - tmprow->baseline();
648 setHeightOfRow(tmprow);
650 while (tmprow != rows().begin()
651 && boost::prior(tmprow)->par() == tmprow->par()) {
653 y -= tmprow->height();
657 setCursor(cur.par(), cur.pos());
661 // deletes and inserts again all paragaphs between the cursor
662 // and the specified par
663 // This function is needed after SetLayout and SetFont etc.
664 void LyXText::redoParagraphs(LyXCursor const & cur,
665 ParagraphList::iterator endpit)
667 RowList::iterator tmprit = cur.row();
668 int y = cur.y() - tmprit->baseline();
670 ParagraphList::iterator first_phys_pit;
671 RowList::iterator prevrit;
672 if (tmprit == rows().begin()) {
673 // A trick/hack for UNDO.
674 // This is needed because in an UNDO/REDO we could have
675 // changed the ownerParagrah() so the paragraph inside
676 // the row is NOT my really first par anymore.
677 // Got it Lars ;) (Jug 20011206)
678 first_phys_pit = ownerParagraphs().begin();
679 prevrit = rows().end();
681 first_phys_pit = tmprit->par();
682 while (tmprit != rows().begin()
683 && boost::prior(tmprit)->par() == first_phys_pit)
686 y -= tmprit->height();
688 prevrit = boost::prior(tmprit);
692 while (tmprit != rows().end() && tmprit->par() != endpit) {
693 RowList::iterator tmprit2 = tmprit++;
697 // Reinsert the paragraphs.
698 ParagraphList::iterator tmppit = first_phys_pit;
700 while (tmppit != ownerParagraphs().end()) {
701 insertParagraph(tmppit, tmprit);
702 while (tmprit != rows().end()
703 && tmprit->par() == tmppit) {
707 if (tmppit == endpit)
710 if (prevrit != rows().end()) {
711 setHeightOfRow(prevrit);
712 const_cast<LyXText *>(this)->postPaint(y - prevrit->height());
714 setHeightOfRow(rows().begin());
715 const_cast<LyXText *>(this)->postPaint(0);
717 if (tmprit != rows().end())
718 setHeightOfRow(tmprit);
724 void LyXText::fullRebreak()
726 if (rows().empty()) {
731 RowList::iterator rows_end = rows().end();
733 if (need_break_row != rows_end) {
734 breakAgain(need_break_row);
735 need_break_row = rows_end;
741 // important for the screen
744 // the cursor set functions have a special mechanism. When they
745 // realize, that you left an empty paragraph, they will delete it.
746 // They also delete the corresponding row
748 // need the selection cursor:
749 void LyXText::setSelection()
751 bool const lsel = selection.set();
753 if (!selection.set()) {
754 last_sel_cursor = selection.cursor;
755 selection.start = selection.cursor;
756 selection.end = selection.cursor;
761 // first the toggling area
762 if (cursor.y() < last_sel_cursor.y()
763 || (cursor.y() == last_sel_cursor.y()
764 && cursor.x() < last_sel_cursor.x())) {
765 toggle_end_cursor = last_sel_cursor;
766 toggle_cursor = cursor;
768 toggle_end_cursor = cursor;
769 toggle_cursor = last_sel_cursor;
772 last_sel_cursor = cursor;
774 // and now the whole selection
776 if (selection.cursor.par() == cursor.par())
777 if (selection.cursor.pos() < cursor.pos()) {
778 selection.end = cursor;
779 selection.start = selection.cursor;
781 selection.end = selection.cursor;
782 selection.start = cursor;
784 else if (selection.cursor.y() < cursor.y() ||
785 (selection.cursor.y() == cursor.y()
786 && selection.cursor.x() < cursor.x())) {
787 selection.end = cursor;
788 selection.start = selection.cursor;
791 selection.end = selection.cursor;
792 selection.start = cursor;
795 // a selection with no contents is not a selection
796 if (selection.start.par() == selection.end.par() &&
797 selection.start.pos() == selection.end.pos())
798 selection.set(false);
800 if (inset_owner && (selection.set() || lsel))
801 inset_owner->setUpdateStatus(bv(), InsetText::SELECTION);
805 string const LyXText::selectionAsString(Buffer const * buffer,
808 if (!selection.set()) return string();
810 // should be const ...
811 ParagraphList::iterator startpit = selection.start.par();
812 ParagraphList::iterator endpit = selection.end.par();
813 pos_type const startpos(selection.start.pos());
814 pos_type const endpos(selection.end.pos());
816 if (startpit == endpit) {
817 return startpit->asString(buffer, startpos, endpos, label);
822 // First paragraph in selection
823 result += startpit->asString(buffer, startpos, startpit->size(), label) + "\n\n";
825 // The paragraphs in between (if any)
826 ParagraphList::iterator pit = boost::next(startpit);
827 for (; pit != endpit; ++pit) {
828 result += pit->asString(buffer, 0, pit->size(), label) + "\n\n";
831 // Last paragraph in selection
832 result += endpit->asString(buffer, 0, endpos, label);
838 void LyXText::clearSelection()
840 selection.set(false);
841 selection.mark(false);
842 last_sel_cursor = selection.end = selection.start = selection.cursor = cursor;
843 // reset this in the bv_owner!
844 if (bv_owner && bv_owner->text)
845 bv_owner->text->xsel_cache.set(false);
849 void LyXText::cursorHome()
851 setCursor(cursor.par(), cursor.row()->pos());
855 void LyXText::cursorEnd()
857 if (cursor.par()->empty())
860 RowList::iterator rit = cursor.row();
861 RowList::iterator next_rit = boost::next(rit);
862 ParagraphList::iterator pit = rit->par();
863 pos_type last_pos = lastPos(*this, rit);
865 if (next_rit == rows().end() || next_rit->par() != pit) {
869 (pit->getChar(last_pos) != ' ' && !pit->isNewline(last_pos))) {
874 setCursor(pit, last_pos);
878 void LyXText::cursorTop()
880 setCursor(ownerParagraphs().begin(), 0);
884 void LyXText::cursorBottom()
887 // This is how it should be:
888 // ParagraphList::iterator lastpit = boost::prior(ownerParagraphs().end());
889 ParagraphList::iterator lastpit = &ownerParagraphs().back();
890 int pos = lastpit->size();
891 setCursor(lastpit, pos);
895 void LyXText::toggleFree(LyXFont const & font, bool toggleall)
897 // If the mask is completely neutral, tell user
898 if (font == LyXFont(LyXFont::ALL_IGNORE)) {
899 // Could only happen with user style
900 bv()->owner()->message(_("No font change defined. Use Character under the Layout menu to define font change."));
904 // Try implicit word selection
905 // If there is a change in the language the implicit word selection
907 LyXCursor resetCursor = cursor;
908 bool implicitSelection = (font.language() == ignore_language
909 && font.number() == LyXFont::IGNORE)
910 ? selectWordWhenUnderCursor(WHOLE_WORD_STRICT) : false;
913 setFont(font, toggleall);
915 // Implicit selections are cleared afterwards
916 //and cursor is set to the original position.
917 if (implicitSelection) {
919 cursor = resetCursor;
920 setCursor(cursor.par(), cursor.pos());
921 selection.cursor = cursor;
924 inset_owner->setUpdateStatus(bv(), InsetText::CURSOR_PAR);
928 string LyXText::getStringToIndex()
930 // Try implicit word selection
931 // If there is a change in the language the implicit word selection
933 LyXCursor const reset_cursor = cursor;
934 bool const implicitSelection = selectWordWhenUnderCursor(PREVIOUS_WORD);
937 if (!selection.set())
938 bv()->owner()->message(_("Nothing to index!"));
939 else if (selection.start.par() != selection.end.par())
940 bv()->owner()->message(_("Cannot index more than one paragraph!"));
942 idxstring = selectionAsString(bv()->buffer(), false);
944 // Reset cursors to their original position.
945 cursor = reset_cursor;
946 setCursor(cursor.par(), cursor.pos());
947 selection.cursor = cursor;
949 // Clear the implicit selection.
950 if (implicitSelection)
957 // the DTP switches for paragraphs. LyX will store them in the first
958 // physicla paragraph. When a paragraph is broken, the top settings rest,
959 // the bottom settings are given to the new one. So I can make shure,
960 // they do not duplicate themself and you cannnot make dirty things with
963 void LyXText::setParagraph(bool line_top, bool line_bottom,
964 bool pagebreak_top, bool pagebreak_bottom,
965 VSpace const & space_top,
966 VSpace const & space_bottom,
967 Spacing const & spacing,
969 string const & labelwidthstring,
972 LyXCursor tmpcursor = cursor;
973 if (!selection.set()) {
974 selection.start = cursor;
975 selection.end = cursor;
978 // make sure that the depth behind the selection are restored, too
979 ParagraphList::iterator endpit = boost::next(selection.end.par());
980 ParagraphList::iterator undoendpit = endpit;
981 ParagraphList::iterator pars_end = ownerParagraphs().end();
983 if (endpit != pars_end && endpit->getDepth()) {
984 while (endpit != pars_end && endpit->getDepth()) {
988 } else if (endpit != pars_end) {
989 // because of parindents etc.
993 setUndo(bv(), Undo::EDIT, selection.start.par(),
994 boost::prior(undoendpit));
997 ParagraphList::iterator tmppit = selection.end.par();
999 while (tmppit != boost::prior(selection.start.par())) {
1000 setCursor(tmppit, 0);
1001 postPaint(cursor.y() - cursor.row()->baseline());
1003 ParagraphList::iterator pit = cursor.par();
1004 ParagraphParameters & params = pit->params();
1006 params.lineTop(line_top);
1007 params.lineBottom(line_bottom);
1008 params.pagebreakTop(pagebreak_top);
1009 params.pagebreakBottom(pagebreak_bottom);
1010 params.spaceTop(space_top);
1011 params.spaceBottom(space_bottom);
1012 params.spacing(spacing);
1013 // does the layout allow the new alignment?
1014 LyXLayout_ptr const & layout = pit->layout();
1016 if (align == LYX_ALIGN_LAYOUT)
1017 align = layout->align;
1018 if (align & layout->alignpossible) {
1019 if (align == layout->align)
1020 params.align(LYX_ALIGN_LAYOUT);
1022 params.align(align);
1024 pit->setLabelWidthString(labelwidthstring);
1025 params.noindent(noindent);
1026 tmppit = boost::prior(pit);
1029 redoParagraphs(selection.start, endpit);
1032 setCursor(selection.start.par(), selection.start.pos());
1033 selection.cursor = cursor;
1034 setCursor(selection.end.par(), selection.end.pos());
1036 setCursor(tmpcursor.par(), tmpcursor.pos());
1038 bv()->updateInset(inset_owner);
1042 // set the counter of a paragraph. This includes the labels
1043 void LyXText::setCounter(Buffer const * buf, ParagraphList::iterator pit)
1045 LyXTextClass const & textclass = buf->params.getLyXTextClass();
1046 LyXLayout_ptr const & layout = pit->layout();
1048 if (pit != ownerParagraphs().begin()) {
1050 pit->params().appendix(boost::prior(pit)->params().appendix());
1051 if (!pit->params().appendix() &&
1052 pit->params().startOfAppendix()) {
1053 pit->params().appendix(true);
1054 textclass.counters().reset();
1056 pit->enumdepth = boost::prior(pit)->enumdepth;
1057 pit->itemdepth = boost::prior(pit)->itemdepth;
1059 pit->params().appendix(pit->params().startOfAppendix());
1064 /* Maybe we have to increment the enumeration depth.
1065 * BUT, enumeration in a footnote is considered in isolation from its
1066 * surrounding paragraph so don't increment if this is the
1067 * first line of the footnote
1068 * AND, bibliographies can't have their depth changed ie. they
1069 * are always of depth 0
1071 if (pit != ownerParagraphs().begin()
1072 && boost::prior(pit)->getDepth() < pit->getDepth()
1073 && boost::prior(pit)->layout()->labeltype == LABEL_COUNTER_ENUMI
1074 && pit->enumdepth < 3
1075 && layout->labeltype != LABEL_BIBLIO) {
1079 // Maybe we have to decrement the enumeration depth, see note above
1080 if (pit != ownerParagraphs().begin()
1081 && boost::prior(pit)->getDepth() > pit->getDepth()
1082 && layout->labeltype != LABEL_BIBLIO) {
1083 pit->enumdepth = depthHook(pit, ownerParagraphs(),
1084 pit->getDepth())->enumdepth;
1087 if (!pit->params().labelString().empty()) {
1088 pit->params().labelString(string());
1091 if (layout->margintype == MARGIN_MANUAL) {
1092 if (pit->params().labelWidthString().empty()) {
1093 pit->setLabelWidthString(layout->labelstring());
1096 pit->setLabelWidthString(string());
1099 // is it a layout that has an automatic label?
1100 if (layout->labeltype >= LABEL_COUNTER_CHAPTER) {
1101 int const i = layout->labeltype - LABEL_COUNTER_CHAPTER;
1105 if (i >= 0 && i <= buf->params.secnumdepth) {
1109 textclass.counters().step(layout->latexname());
1111 // Is there a label? Useful for Chapter layout
1112 if (!pit->params().appendix()) {
1113 s << buf->B_(layout->labelstring());
1115 s << buf->B_(layout->labelstring_appendix());
1118 // Use of an integer is here less than elegant. For now.
1119 int head = textclass.maxcounter() - LABEL_COUNTER_CHAPTER;
1120 if (!pit->params().appendix()) {
1121 numbertype = "sectioning";
1123 numbertype = "appendix";
1124 if (pit->isRightToLeftPar(buf->params))
1125 langtype = "hebrew";
1131 << textclass.counters()
1132 .numberLabel(layout->latexname(),
1133 numbertype, langtype, head);
1135 pit->params().labelString(STRCONV(s.str()));
1137 // reset enum counters
1138 textclass.counters().reset("enum");
1139 } else if (layout->labeltype < LABEL_COUNTER_ENUMI) {
1140 textclass.counters().reset("enum");
1141 } else if (layout->labeltype == LABEL_COUNTER_ENUMI) {
1143 // Yes I know this is a really, really! bad solution
1145 string enumcounter("enum");
1147 switch (pit->enumdepth) {
1156 enumcounter += "iv";
1159 // not a valid enumdepth...
1163 textclass.counters().step(enumcounter);
1165 s << textclass.counters()
1166 .numberLabel(enumcounter, "enumeration");
1167 pit->params().labelString(STRCONV(s.str()));
1169 } else if (layout->labeltype == LABEL_BIBLIO) {// ale970302
1170 textclass.counters().step("bibitem");
1171 int number = textclass.counters().value("bibitem");
1172 if (pit->bibitem()) {
1173 pit->bibitem()->setCounter(number);
1174 pit->params().labelString(layout->labelstring());
1176 // In biblio should't be following counters but...
1178 string s = buf->B_(layout->labelstring());
1180 // the caption hack:
1181 if (layout->labeltype == LABEL_SENSITIVE) {
1182 ParagraphList::iterator tmppit = pit;
1185 while (tmppit != ownerParagraphs().end() &&
1187 // the single '=' is intended below
1188 && (in = tmppit->inInset()->owner())) {
1189 if (in->lyxCode() == Inset::FLOAT_CODE ||
1190 in->lyxCode() == Inset::WRAP_CODE) {
1194 tmppit = in->parOwner();
1201 if (in->lyxCode() == Inset::FLOAT_CODE)
1202 type = static_cast<InsetFloat*>(in)->params().type;
1203 else if (in->lyxCode() == Inset::WRAP_CODE)
1204 type = static_cast<InsetWrap*>(in)->params().type;
1208 Floating const & fl = textclass.floats().getType(type);
1210 textclass.counters().step(fl.type());
1212 // Doesn't work... yet.
1213 s = bformat(_("%1$s #:"), buf->B_(fl.name()));
1215 // par->SetLayout(0);
1216 // s = layout->labelstring;
1217 s = _("Senseless: ");
1220 pit->params().labelString(s);
1222 // reset the enumeration counter. They are always reset
1223 // when there is any other layout between
1224 // Just fall-through between the cases so that all
1225 // enum counters deeper than enumdepth is also reset.
1226 switch (pit->enumdepth) {
1228 textclass.counters().reset("enumi");
1230 textclass.counters().reset("enumii");
1232 textclass.counters().reset("enumiii");
1234 textclass.counters().reset("enumiv");
1240 // Updates all counters. Paragraphs with changed label string will be rebroken
1241 void LyXText::updateCounters()
1243 RowList::iterator rowit = rows().begin();
1244 ParagraphList::iterator pit = rowit->par();
1246 // CHECK if this is really needed. (Lgb)
1247 bv()->buffer()->params.getLyXTextClass().counters().reset();
1249 for (; pit != ownerParagraphs().end(); ++pit) {
1250 while (rowit->par() != pit)
1253 string const oldLabel = pit->params().labelString();
1255 size_t maxdepth = 0;
1256 if (pit != ownerParagraphs().begin())
1257 maxdepth = boost::prior(pit)->getMaxDepthAfter();
1259 if (pit->params().depth() > maxdepth)
1260 pit->params().depth(maxdepth);
1262 // setCounter can potentially change the labelString.
1263 setCounter(bv()->buffer(), pit);
1265 string const & newLabel = pit->params().labelString();
1267 if (oldLabel.empty() && !newLabel.empty()) {
1268 removeParagraph(rowit);
1269 appendParagraph(rowit);
1275 void LyXText::insertInset(Inset * inset)
1277 if (!cursor.par()->insetAllowed(inset->lyxCode()))
1279 setUndo(bv(), Undo::FINISH, cursor.par());
1281 cursor.par()->insertInset(cursor.pos(), inset);
1282 // Just to rebreak and refresh correctly.
1283 // The character will not be inserted a second time
1284 insertChar(Paragraph::META_INSET);
1285 // If we enter a highly editable inset the cursor should be to before
1286 // the inset. This couldn't happen before as Undo was not handled inside
1287 // inset now after the Undo LyX tries to call inset->Edit(...) again
1288 // and cannot do this as the cursor is behind the inset and GetInset
1289 // does not return the inset!
1290 if (isHighlyEditableInset(inset)) {
1297 void LyXText::cutSelection(bool doclear, bool realcut)
1299 // Stuff what we got on the clipboard. Even if there is no selection.
1301 // There is a problem with having the stuffing here in that the
1302 // larger the selection the slower LyX will get. This can be
1303 // solved by running the line below only when the selection has
1304 // finished. The solution used currently just works, to make it
1305 // faster we need to be more clever and probably also have more
1306 // calls to stuffClipboard. (Lgb)
1307 bv()->stuffClipboard(selectionAsString(bv()->buffer(), true));
1309 // This doesn't make sense, if there is no selection
1310 if (!selection.set())
1313 // OK, we have a selection. This is always between selection.start
1314 // and selection.end
1316 // make sure that the depth behind the selection are restored, too
1317 ParagraphList::iterator endpit = boost::next(selection.end.par());
1318 ParagraphList::iterator undoendpit = endpit;
1319 ParagraphList::iterator pars_end = ownerParagraphs().end();
1321 if (endpit != pars_end && endpit->getDepth()) {
1322 while (endpit != pars_end && endpit->getDepth()) {
1324 undoendpit = endpit;
1326 } else if (endpit != pars_end) {
1327 // because of parindents etc.
1331 setUndo(bv(), Undo::DELETE, selection.start.par(),
1332 boost::prior(undoendpit));
1335 endpit = selection.end.par();
1336 int endpos = selection.end.pos();
1338 boost::tie(endpit, endpos) = realcut ?
1339 CutAndPaste::cutSelection(ownerParagraphs(),
1340 selection.start.par(), endpit,
1341 selection.start.pos(), endpos,
1342 bv()->buffer()->params.textclass,
1344 : CutAndPaste::eraseSelection(ownerParagraphs(),
1345 selection.start.par(), endpit,
1346 selection.start.pos(), endpos,
1348 // sometimes necessary
1350 selection.start.par()->stripLeadingSpaces();
1352 redoParagraphs(selection.start, boost::next(endpit));
1353 #warning FIXME latent bug
1354 // endpit will be invalidated on redoParagraphs once ParagraphList
1355 // becomes a std::list? There are maybe other places on which this
1356 // can happend? (Ab)
1357 // cutSelection can invalidate the cursor so we need to set
1359 // we prefer the end for when tracking changes
1363 // need a valid cursor. (Lgb)
1366 setCursor(cursor.par(), cursor.pos());
1367 selection.cursor = cursor;
1372 void LyXText::copySelection()
1374 // stuff the selection onto the X clipboard, from an explicit copy request
1375 bv()->stuffClipboard(selectionAsString(bv()->buffer(), true));
1377 // this doesnt make sense, if there is no selection
1378 if (!selection.set())
1381 // ok we have a selection. This is always between selection.start
1382 // and sel_end cursor
1384 // copy behind a space if there is one
1385 while (selection.start.par()->size() > selection.start.pos()
1386 && selection.start.par()->isLineSeparator(selection.start.pos())
1387 && (selection.start.par() != selection.end.par()
1388 || selection.start.pos() < selection.end.pos()))
1389 selection.start.pos(selection.start.pos() + 1);
1391 CutAndPaste::copySelection(selection.start.par(),
1392 selection.end.par(),
1393 selection.start.pos(), selection.end.pos(),
1394 bv()->buffer()->params.textclass);
1398 void LyXText::pasteSelection()
1400 // this does not make sense, if there is nothing to paste
1401 if (!CutAndPaste::checkPastePossible())
1404 setUndo(bv(), Undo::INSERT, cursor.par());
1406 ParagraphList::iterator endpit;
1411 boost::tie(ppp, endpit) =
1412 CutAndPaste::pasteSelection(ownerParagraphs(),
1413 cursor.par(), cursor.pos(),
1414 bv()->buffer()->params.textclass,
1416 bv()->setErrorList(el);
1417 bv()->showErrorList(_("Paste"));
1419 redoParagraphs(cursor, endpit);
1421 setCursor(cursor.par(), cursor.pos());
1424 selection.cursor = cursor;
1425 setCursor(ppp.first, ppp.second);
1431 void LyXText::setSelectionRange(lyx::pos_type length)
1436 selection.cursor = cursor;
1443 // simple replacing. The font of the first selected character is used
1444 void LyXText::replaceSelectionWithString(string const & str)
1446 setCursorParUndo(bv());
1449 if (!selection.set()) { // create a dummy selection
1450 selection.end = cursor;
1451 selection.start = cursor;
1454 // Get font setting before we cut
1455 pos_type pos = selection.end.pos();
1456 LyXFont const font = selection.start.par()
1457 ->getFontSettings(bv()->buffer()->params,
1458 selection.start.pos());
1460 // Insert the new string
1461 for (string::const_iterator cit = str.begin(); cit != str.end(); ++cit) {
1462 selection.end.par()->insertChar(pos, (*cit), font);
1466 // Cut the selection
1467 cutSelection(true, false);
1473 // needed to insert the selection
1474 void LyXText::insertStringAsLines(string const & str)
1476 ParagraphList::iterator pit = cursor.par();
1477 pos_type pos = cursor.pos();
1478 ParagraphList::iterator endpit = boost::next(cursor.par());
1480 setCursorParUndo(bv());
1482 // only to be sure, should not be neccessary
1485 bv()->buffer()->insertStringAsLines(pit, pos, current_font, str);
1487 redoParagraphs(cursor, endpit);
1488 setCursor(cursor.par(), cursor.pos());
1489 selection.cursor = cursor;
1490 setCursor(pit, pos);
1495 // turns double-CR to single CR, others where converted into one
1496 // blank. Then InsertStringAsLines is called
1497 void LyXText::insertStringAsParagraphs(string const & str)
1499 string linestr(str);
1500 bool newline_inserted = false;
1501 for (string::size_type i = 0; i < linestr.length(); ++i) {
1502 if (linestr[i] == '\n') {
1503 if (newline_inserted) {
1504 // we know that \r will be ignored by
1505 // InsertStringA. Of course, it is a dirty
1506 // trick, but it works...
1507 linestr[i - 1] = '\r';
1511 newline_inserted = true;
1513 } else if (IsPrintable(linestr[i])) {
1514 newline_inserted = false;
1517 insertStringAsLines(linestr);
1521 void LyXText::checkParagraph(ParagraphList::iterator pit, pos_type pos)
1523 LyXCursor tmpcursor;
1527 RowList::iterator row = getRow(pit, pos, y);
1528 RowList::iterator beg = rows().begin();
1530 // is there a break one row above
1532 && boost::prior(row)->par() == row->par()) {
1533 z = rowBreakPoint(*boost::prior(row));
1534 if (z >= row->pos()) {
1535 // set the dimensions of the row above
1536 y -= boost::prior(row)->height();
1539 breakAgain(boost::prior(row));
1541 // set the cursor again. Otherwise
1542 // dangling pointers are possible
1543 setCursor(cursor.par(), cursor.pos(),
1544 false, cursor.boundary());
1545 selection.cursor = cursor;
1550 int const tmpheight = row->height();
1551 pos_type const tmplast = lastPos(*this, row);
1554 if (row->height() == tmpheight && lastPos(*this, row) == tmplast) {
1555 postRowPaint(row, y);
1560 // check the special right address boxes
1561 if (pit->layout()->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
1568 redoDrawingOfParagraph(tmpcursor);
1571 // set the cursor again. Otherwise dangling pointers are possible
1572 // also set the selection
1574 if (selection.set()) {
1576 setCursorIntern(selection.cursor.par(), selection.cursor.pos(),
1577 false, selection.cursor.boundary());
1578 selection.cursor = cursor;
1579 setCursorIntern(selection.start.par(),
1580 selection.start.pos(),
1581 false, selection.start.boundary());
1582 selection.start = cursor;
1583 setCursorIntern(selection.end.par(),
1584 selection.end.pos(),
1585 false, selection.end.boundary());
1586 selection.end = cursor;
1587 setCursorIntern(last_sel_cursor.par(),
1588 last_sel_cursor.pos(),
1589 false, last_sel_cursor.boundary());
1590 last_sel_cursor = cursor;
1593 setCursorIntern(cursor.par(), cursor.pos(),
1594 false, cursor.boundary());
1598 // returns false if inset wasn't found
1599 bool LyXText::updateInset(Inset * inset)
1601 // first check the current paragraph
1602 int pos = cursor.par()->getPositionOfInset(inset);
1604 checkParagraph(cursor.par(), pos);
1608 // check every paragraph
1610 ParagraphList::iterator par = ownerParagraphs().begin();
1611 ParagraphList::iterator end = ownerParagraphs().end();
1612 for (; par != end; ++par) {
1613 pos = par->getPositionOfInset(inset);
1615 checkParagraph(par, pos);
1624 bool LyXText::setCursor(ParagraphList::iterator pit,
1626 bool setfont, bool boundary)
1628 LyXCursor old_cursor = cursor;
1629 setCursorIntern(pit, pos, setfont, boundary);
1630 return deleteEmptyParagraphMechanism(old_cursor);
1634 void LyXText::setCursor(LyXCursor & cur, ParagraphList::iterator pit,
1635 pos_type pos, bool boundary)
1637 lyx::Assert(pit != ownerParagraphs().end());
1641 cur.boundary(boundary);
1643 // get the cursor y position in text
1645 RowList::iterator row = getRow(pit, pos, y);
1646 RowList::iterator beg = rows().begin();
1648 RowList::iterator old_row = row;
1650 // if we are before the first char of this row and are still in the
1651 // same paragraph and there is a previous row then put the cursor on
1652 // the end of the previous row
1653 cur.iy(y + row->baseline());
1656 boost::prior(row)->par() == row->par() &&
1657 pos < pit->size() &&
1658 pit->getChar(pos) == Paragraph::META_INSET) {
1659 Inset * ins = pit->getInset(pos);
1660 if (ins && (ins->needFullRow() || ins->display())) {
1667 // y is now the beginning of the cursor row
1668 y += row->baseline();
1669 // y is now the cursor baseline
1672 pos_type last = lastPrintablePos(*this, old_row);
1674 // None of these should happen, but we're scaredy-cats
1675 if (pos > pit->size()) {
1676 lyxerr << "dont like 1 please report" << endl;
1679 } else if (pos > last + 1) {
1680 lyxerr << "dont like 2 please report" << endl;
1681 // This shouldn't happen.
1684 } else if (pos < row->pos()) {
1685 lyxerr << "dont like 3 please report" << endl;
1690 // now get the cursors x position
1691 float x = getCursorX(row, pos, last, boundary);
1694 if (old_row != row) {
1695 x = getCursorX(old_row, pos, last, boundary);
1699 /* We take out this for the time being because 1) the redraw code is not
1700 prepared to this yet and 2) because some good policy has yet to be decided
1701 while editting: for instance how to act on rows being created/deleted
1705 //if the cursor is in a visible row, anchor to it
1707 if (topy < y && y < topy + bv()->workHeight())
1713 float LyXText::getCursorX(RowList::iterator rit,
1714 pos_type pos, pos_type last, bool boundary) const
1716 pos_type cursor_vpos = 0;
1718 float fill_separator;
1720 float fill_label_hfill;
1721 // This call HAS to be here because of the BidiTables!!!
1722 prepareToPrint(rit, x, fill_separator, fill_hfill,
1725 ParagraphList::iterator rit_par = rit->par();
1726 pos_type const rit_pos = rit->pos();
1729 cursor_vpos = rit_pos;
1730 else if (pos > last && !boundary)
1731 cursor_vpos = (rit_par->isRightToLeftPar(bv()->buffer()->params))
1732 ? rit_pos : last + 1;
1733 else if (pos > rit_pos && (pos > last || boundary))
1734 /// Place cursor after char at (logical) position pos - 1
1735 cursor_vpos = (bidi_level(pos - 1) % 2 == 0)
1736 ? log2vis(pos - 1) + 1 : log2vis(pos - 1);
1738 /// Place cursor before char at (logical) position pos
1739 cursor_vpos = (bidi_level(pos) % 2 == 0)
1740 ? log2vis(pos) : log2vis(pos) + 1;
1742 pos_type body_pos = rit_par->beginningOfBody();
1743 if ((body_pos > 0) &&
1744 ((body_pos - 1 > last) || !rit_par->isLineSeparator(body_pos - 1)))
1747 for (pos_type vpos = rit_pos; vpos < cursor_vpos; ++vpos) {
1748 pos_type pos = vis2log(vpos);
1749 if (body_pos > 0 && pos == body_pos - 1) {
1750 x += fill_label_hfill +
1751 font_metrics::width(
1752 rit_par->layout()->labelsep,
1753 getLabelFont(bv()->buffer(), rit_par));
1754 if (rit_par->isLineSeparator(body_pos - 1))
1755 x -= singleWidth(rit_par, body_pos - 1);
1758 if (hfillExpansion(*this, rit, pos)) {
1759 x += singleWidth(rit_par, pos);
1760 if (pos >= body_pos)
1763 x += fill_label_hfill;
1764 } else if (rit_par->isSeparator(pos)) {
1765 x += singleWidth(rit_par, pos);
1766 if (pos >= body_pos)
1767 x += fill_separator;
1769 x += singleWidth(rit_par, pos);
1775 void LyXText::setCursorIntern(ParagraphList::iterator pit,
1776 pos_type pos, bool setfont, bool boundary)
1778 InsetText * it = static_cast<InsetText *>(pit->inInset());
1780 if (it != inset_owner) {
1781 lyxerr[Debug::INSETS] << "InsetText is " << it
1783 << "inset_owner is "
1784 << inset_owner << endl;
1785 #ifdef WITH_WARNINGS
1786 #warning I believe this code is wrong. (Lgb)
1787 #warning Jürgen, have a look at this. (Lgb)
1788 #warning Hmmm, I guess you are right but we
1789 #warning should verify when this is needed
1791 // Jürgen, would you like to have a look?
1792 // I guess we need to move the outer cursor
1793 // and open and lock the inset (bla bla bla)
1794 // stuff I don't know... so can you have a look?
1796 // I moved the lyxerr stuff in here so we can see if
1797 // this is actually really needed and where!
1799 // it->getLyXText(bv())->setCursorIntern(bv(), par, pos, setfont, boundary);
1804 setCursor(cursor, pit, pos, boundary);
1810 void LyXText::setCurrentFont()
1812 pos_type pos = cursor.pos();
1813 ParagraphList::iterator pit = cursor.par();
1815 if (cursor.boundary() && pos > 0)
1819 if (pos == pit->size())
1821 else // potentional bug... BUG (Lgb)
1822 if (pit->isSeparator(pos)) {
1823 if (pos > cursor.row()->pos() &&
1824 bidi_level(pos) % 2 ==
1825 bidi_level(pos - 1) % 2)
1827 else if (pos + 1 < pit->size())
1833 pit->getFontSettings(bv()->buffer()->params, pos);
1834 real_current_font = getFont(bv()->buffer(), pit, pos);
1836 if (cursor.pos() == pit->size() &&
1837 isBoundary(bv()->buffer(), *pit, cursor.pos()) &&
1838 !cursor.boundary()) {
1839 Language const * lang =
1840 pit->getParLanguage(bv()->buffer()->params);
1841 current_font.setLanguage(lang);
1842 current_font.setNumber(LyXFont::OFF);
1843 real_current_font.setLanguage(lang);
1844 real_current_font.setNumber(LyXFont::OFF);
1849 // returns the column near the specified x-coordinate of the row
1850 // x is set to the real beginning of this column
1852 LyXText::getColumnNearX(RowList::iterator rit, int & x, bool & boundary) const
1855 float fill_separator;
1857 float fill_label_hfill;
1859 prepareToPrint(rit, tmpx, fill_separator,
1860 fill_hfill, fill_label_hfill);
1862 pos_type vc = rit->pos();
1863 pos_type last = lastPrintablePos(*this, rit);
1866 ParagraphList::iterator rit_par = rit->par();
1867 LyXLayout_ptr const & layout = rit->par()->layout();
1869 bool left_side = false;
1871 pos_type body_pos = rit_par->beginningOfBody();
1872 float last_tmpx = tmpx;
1875 (body_pos - 1 > last ||
1876 !rit_par->isLineSeparator(body_pos - 1)))
1879 // check for empty row
1880 if (!rit_par->size()) {
1885 while (vc <= last && tmpx <= x) {
1888 if (body_pos > 0 && c == body_pos - 1) {
1889 tmpx += fill_label_hfill +
1890 font_metrics::width(layout->labelsep,
1891 getLabelFont(bv()->buffer(), rit_par));
1892 if (rit_par->isLineSeparator(body_pos - 1))
1893 tmpx -= singleWidth(rit_par, body_pos - 1);
1896 if (hfillExpansion(*this, rit, c)) {
1897 tmpx += singleWidth(rit_par, c);
1901 tmpx += fill_label_hfill;
1902 } else if (rit_par->isSeparator(c)) {
1903 tmpx += singleWidth(rit_par, c);
1905 tmpx+= fill_separator;
1907 tmpx += singleWidth(rit_par, c);
1912 if ((tmpx + last_tmpx) / 2 > x) {
1917 if (vc > last + 1) // This shouldn't happen.
1921 // This (rtl_support test) is not needed, but gives
1922 // some speedup if rtl_support=false
1923 bool const lastrow = lyxrc.rtl_support &&
1924 (boost::next(rit) == rowlist_.end() ||
1925 boost::next(rit)->par() != rit_par);
1926 // If lastrow is false, we don't need to compute
1927 // the value of rtl.
1928 bool const rtl = (lastrow)
1929 ? rit_par->isRightToLeftPar(bv()->buffer()->params)
1932 ((rtl && left_side && vc == rit->pos() && x < tmpx - 5) ||
1933 (!rtl && !left_side && vc == last + 1 && x > tmpx + 5)))
1935 else if (vc == rit->pos()) {
1937 if (bidi_level(c) % 2 == 1)
1940 c = vis2log(vc - 1);
1941 bool const rtl = (bidi_level(c) % 2 == 1);
1942 if (left_side == rtl) {
1944 boundary = isBoundary(bv()->buffer(), *rit_par, c);
1948 if (rit->pos() <= last && c > last
1949 && rit_par->isNewline(last)) {
1950 if (bidi_level(last) % 2 == 0)
1951 tmpx -= singleWidth(rit_par, last);
1953 tmpx += singleWidth(rit_par, last);
1963 void LyXText::setCursorFromCoordinates(int x, int y)
1965 LyXCursor old_cursor = cursor;
1967 setCursorFromCoordinates(cursor, x, y);
1969 deleteEmptyParagraphMechanism(old_cursor);
1976 * return true if the cursor given is at the end of a row,
1977 * and the next row is filled by an inset that spans an entire
1980 bool beforeFullRowInset(LyXText & lt, LyXCursor const & cur) {
1981 RowList::iterator row = cur.row();
1982 if (boost::next(row) == lt.rows().end())
1984 Row const & next = *boost::next(row);
1986 if (next.pos() != cur.pos() || next.par() != cur.par())
1989 if (cur.pos() == cur.par()->size()
1990 || !cur.par()->isInset(cur.pos()))
1992 Inset const * inset = cur.par()->getInset(cur.pos());
1993 if (inset->needFullRow() || inset->display())
2000 void LyXText::setCursorFromCoordinates(LyXCursor & cur, int x, int y)
2002 // Get the row first.
2004 RowList::iterator row = getRowNearY(y);
2006 pos_type const column = getColumnNearX(row, x, bound);
2007 cur.par(row->par());
2008 cur.pos(row->pos() + column);
2010 cur.y(y + row->baseline());
2013 if (beforeFullRowInset(*this, cur)) {
2014 pos_type last = lastPrintablePos(*this, row);
2015 float x = getCursorX(boost::next(row), cur.pos(), last, bound);
2017 cur.iy(y + row->height() + boost::next(row)->baseline());
2018 cur.irow(boost::next(row));
2024 cur.boundary(bound);
2028 void LyXText::cursorLeft(bool internal)
2030 if (cursor.pos() > 0) {
2031 bool boundary = cursor.boundary();
2032 setCursor(cursor.par(), cursor.pos() - 1, true, false);
2033 if (!internal && !boundary &&
2034 isBoundary(bv()->buffer(), *cursor.par(), cursor.pos() + 1))
2035 setCursor(cursor.par(), cursor.pos() + 1, true, true);
2036 } else if (cursor.par() != ownerParagraphs().begin()) { // steps into the above paragraph.
2037 ParagraphList::iterator pit = boost::prior(cursor.par());
2038 setCursor(pit, pit->size());
2043 void LyXText::cursorRight(bool internal)
2045 bool const at_end = (cursor.pos() == cursor.par()->size());
2046 bool const at_newline = !at_end &&
2047 cursor.par()->isNewline(cursor.pos());
2049 if (!internal && cursor.boundary() && !at_newline)
2050 setCursor(cursor.par(), cursor.pos(), true, false);
2052 setCursor(cursor.par(), cursor.pos() + 1, true, false);
2054 isBoundary(bv()->buffer(), *cursor.par(), cursor.pos()))
2055 setCursor(cursor.par(), cursor.pos(), true, true);
2056 } else if (boost::next(cursor.par()) != ownerParagraphs().end())
2057 setCursor(boost::next(cursor.par()), 0);
2061 void LyXText::cursorUp(bool selecting)
2064 int x = cursor.x_fix();
2065 int y = cursor.y() - cursor.row()->baseline() - 1;
2066 setCursorFromCoordinates(x, y);
2069 int y1 = cursor.iy() - topy;
2072 Inset * inset_hit = checkInsetHit(x, y1);
2073 if (inset_hit && isHighlyEditableInset(inset_hit)) {
2074 inset_hit->localDispatch(
2075 FuncRequest(bv(), LFUN_INSET_EDIT, x, y - (y2 - y1), mouse_button::none));
2079 setCursorFromCoordinates(bv(), cursor.x_fix(),
2080 cursor.y() - cursor.row()->baseline() - 1);
2085 void LyXText::cursorDown(bool selecting)
2088 int x = cursor.x_fix();
2089 int y = cursor.y() - cursor.row()->baseline() +
2090 cursor.row()->height() + 1;
2091 setCursorFromCoordinates(x, y);
2092 if (!selecting && cursor.row() == cursor.irow()) {
2094 int y1 = cursor.iy() - topy;
2097 Inset * inset_hit = checkInsetHit(x, y1);
2098 if (inset_hit && isHighlyEditableInset(inset_hit)) {
2099 FuncRequest cmd(bv(), LFUN_INSET_EDIT, x, y - (y2 - y1), mouse_button::none);
2100 inset_hit->localDispatch(cmd);
2104 setCursorFromCoordinates(bv(), cursor.x_fix(),
2105 cursor.y() - cursor.row()->baseline()
2106 + cursor.row()->height() + 1);
2111 void LyXText::cursorUpParagraph()
2113 if (cursor.pos() > 0) {
2114 setCursor(cursor.par(), 0);
2116 else if (cursor.par() != ownerParagraphs().begin()) {
2117 setCursor(boost::prior(cursor.par()), 0);
2122 void LyXText::cursorDownParagraph()
2124 if (boost::next(cursor.par()) != ownerParagraphs().end()) {
2125 setCursor(boost::next(cursor.par()), 0);
2127 setCursor(cursor.par(), cursor.par()->size());
2131 // fix the cursor `cur' after a characters has been deleted at `where'
2132 // position. Called by deleteEmptyParagraphMechanism
2133 void LyXText::fixCursorAfterDelete(LyXCursor & cur,
2134 LyXCursor const & where)
2136 // if cursor is not in the paragraph where the delete occured,
2138 if (cur.par() != where.par())
2141 // if cursor position is after the place where the delete occured,
2143 if (cur.pos() > where.pos())
2144 cur.pos(cur.pos()-1);
2146 // check also if we don't want to set the cursor on a spot behind the
2147 // pagragraph because we erased the last character.
2148 if (cur.pos() > cur.par()->size())
2149 cur.pos(cur.par()->size());
2151 // recompute row et al. for this cursor
2152 setCursor(cur, cur.par(), cur.pos(), cur.boundary());
2156 bool LyXText::deleteEmptyParagraphMechanism(LyXCursor const & old_cursor)
2158 // Would be wrong to delete anything if we have a selection.
2159 if (selection.set())
2162 // We allow all kinds of "mumbo-jumbo" when freespacing.
2163 if (old_cursor.par()->layout()->free_spacing
2164 || old_cursor.par()->isFreeSpacing()) {
2168 /* Ok I'll put some comments here about what is missing.
2169 I have fixed BackSpace (and thus Delete) to not delete
2170 double-spaces automagically. I have also changed Cut,
2171 Copy and Paste to hopefully do some sensible things.
2172 There are still some small problems that can lead to
2173 double spaces stored in the document file or space at
2174 the beginning of paragraphs. This happens if you have
2175 the cursor betwenn to spaces and then save. Or if you
2176 cut and paste and the selection have a space at the
2177 beginning and then save right after the paste. I am
2178 sure none of these are very hard to fix, but I will
2179 put out 1.1.4pre2 with FIX_DOUBLE_SPACE defined so
2180 that I can get some feedback. (Lgb)
2183 // If old_cursor.pos() == 0 and old_cursor.pos()(1) == LineSeparator
2184 // delete the LineSeparator.
2187 // If old_cursor.pos() == 1 and old_cursor.pos()(0) == LineSeparator
2188 // delete the LineSeparator.
2191 // If the pos around the old_cursor were spaces, delete one of them.
2192 if (old_cursor.par() != cursor.par()
2193 || old_cursor.pos() != cursor.pos()) {
2194 // Only if the cursor has really moved
2196 if (old_cursor.pos() > 0
2197 && old_cursor.pos() < old_cursor.par()->size()
2198 && old_cursor.par()->isLineSeparator(old_cursor.pos())
2199 && old_cursor.par()->isLineSeparator(old_cursor.pos() - 1)) {
2200 old_cursor.par()->erase(old_cursor.pos() - 1);
2201 redoParagraphs(old_cursor, boost::next(old_cursor.par()));
2203 #ifdef WITH_WARNINGS
2204 #warning This will not work anymore when we have multiple views of the same buffer
2205 // In this case, we will have to correct also the cursors held by
2206 // other bufferviews. It will probably be easier to do that in a more
2207 // automated way in LyXCursor code. (JMarc 26/09/2001)
2209 // correct all cursors held by the LyXText
2210 fixCursorAfterDelete(cursor, old_cursor);
2211 fixCursorAfterDelete(selection.cursor,
2213 fixCursorAfterDelete(selection.start,
2215 fixCursorAfterDelete(selection.end, old_cursor);
2216 fixCursorAfterDelete(last_sel_cursor,
2218 fixCursorAfterDelete(toggle_cursor, old_cursor);
2219 fixCursorAfterDelete(toggle_end_cursor,
2225 // don't delete anything if this is the ONLY paragraph!
2226 if (ownerParagraphs().size() == 1)
2229 // Do not delete empty paragraphs with keepempty set.
2230 if (old_cursor.par()->layout()->keepempty)
2233 // only do our magic if we changed paragraph
2234 if (old_cursor.par() == cursor.par())
2237 // record if we have deleted a paragraph
2238 // we can't possibly have deleted a paragraph before this point
2239 bool deleted = false;
2241 if (old_cursor.par()->empty() ||
2242 (old_cursor.par()->size() == 1 &&
2243 old_cursor.par()->isLineSeparator(0))) {
2244 // ok, we will delete anything
2245 LyXCursor tmpcursor;
2249 bool selection_position_was_oldcursor_position = (
2250 selection.cursor.par() == old_cursor.par()
2251 && selection.cursor.pos() == old_cursor.pos());
2253 if (old_cursor.row() != rows().begin()) {
2255 prevrow = boost::prior(old_cursor.row());
2256 const_cast<LyXText *>(this)->postPaint(old_cursor.y() - old_cursor.row()->baseline() - prevrow->height());
2258 cursor = old_cursor; // that undo can restore the right cursor position
2259 #warning FIXME. --end() iterator is usable here
2260 ParagraphList::iterator endpit = boost::next(old_cursor.par());
2261 while (endpit != ownerParagraphs().end() &&
2262 endpit->getDepth()) {
2266 setUndo(bv(), Undo::DELETE, old_cursor.par(),
2267 boost::prior(endpit));
2271 removeRow(old_cursor.row());
2273 ownerParagraphs().erase(old_cursor.par());
2275 /* Breakagain the next par. Needed because of
2276 * the parindent that can occur or dissappear.
2277 * The next row can change its height, if
2278 * there is another layout before */
2279 if (boost::next(prevrow) != rows().end()) {
2280 breakAgain(boost::next(prevrow));
2283 setHeightOfRow(prevrow);
2285 RowList::iterator nextrow = boost::next(old_cursor.row());
2286 const_cast<LyXText *>(this)->postPaint(
2287 old_cursor.y() - old_cursor.row()->baseline());
2290 cursor = old_cursor; // that undo can restore the right cursor position
2291 #warning FIXME. --end() iterator is usable here
2292 ParagraphList::iterator endpit = boost::next(old_cursor.par());
2293 while (endpit != ownerParagraphs().end() &&
2294 endpit->getDepth()) {
2298 setUndo(bv(), Undo::DELETE, old_cursor.par(), boost::prior(endpit));
2302 removeRow(old_cursor.row());
2304 ownerParagraphs().erase(old_cursor.par());
2306 /* Breakagain the next par. Needed because of
2307 the parindent that can occur or dissappear.
2308 The next row can change its height, if
2309 there is another layout before */
2310 if (nextrow != rows().end()) {
2311 breakAgain(nextrow);
2317 setCursorIntern(cursor.par(), cursor.pos());
2319 if (selection_position_was_oldcursor_position) {
2320 // correct selection
2321 selection.cursor = cursor;
2325 if (old_cursor.par()->stripLeadingSpaces()) {
2326 redoParagraphs(old_cursor, boost::next(old_cursor.par()));
2328 setCursorIntern(cursor.par(), cursor.pos());
2329 selection.cursor = cursor;
2336 ParagraphList & LyXText::ownerParagraphs() const
2339 return inset_owner->paragraphs;
2341 return bv_owner->buffer()->paragraphs;
2345 LyXText::refresh_status LyXText::refreshStatus() const
2347 return refresh_status_;
2351 void LyXText::clearPaint()
2353 refresh_status_ = REFRESH_NONE;
2354 refresh_row = rows().end();
2359 void LyXText::postPaint(int start_y)
2361 refresh_status old = refresh_status_;
2363 refresh_status_ = REFRESH_AREA;
2364 refresh_row = rows().end();
2366 if (old != REFRESH_NONE && refresh_y < start_y)
2369 refresh_y = start_y;
2374 // We are an inset's lyxtext. Tell the top-level lyxtext
2375 // it needs to update the row we're in.
2376 LyXText * t = bv()->text;
2377 t->postRowPaint(t->cursor.row(), t->cursor.y() - t->cursor.row()->baseline());
2381 // FIXME: we should probably remove this y parameter,
2382 // make refresh_y be 0, and use row->y etc.
2383 void LyXText::postRowPaint(RowList::iterator rit, int start_y)
2385 if (refresh_status_ != REFRESH_NONE && refresh_y < start_y) {
2386 refresh_status_ = REFRESH_AREA;
2389 refresh_y = start_y;
2392 if (refresh_status_ == REFRESH_AREA)
2395 refresh_status_ = REFRESH_ROW;
2401 // We are an inset's lyxtext. Tell the top-level lyxtext
2402 // it needs to update the row we're in.
2403 LyXText * t = bv()->text;
2404 t->postRowPaint(t->cursor.row(), t->cursor.y() - t->cursor.row()->baseline());
2408 bool LyXText::isInInset() const
2410 // Sub-level has non-null bv owner and
2411 // non-null inset owner.
2412 return inset_owner != 0 && bv_owner != 0;
2416 int defaultRowHeight()
2418 LyXFont const font(LyXFont::ALL_SANE);
2419 return int(font_metrics::maxAscent(font)
2420 + font_metrics::maxDescent(font) * 1.5);