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 * ====================================================== */
13 #include "paragraph.h"
14 #include "paragraph_pimpl.h"
18 #include "tex-strings.h"
20 #include "bufferparams.h"
23 #include "BufferView.h"
25 #include "ParameterStruct.h"
29 #include "insets/insetbibitem.h"
30 #include "insets/insetoptarg.h"
32 #include "support/filetools.h"
33 #include "support/lstrings.h"
34 #include "support/lyxmanip.h"
35 #include "support/FileInfo.h"
36 #include "support/LAssert.h"
37 #include "support/textutils.h"
48 using std::lower_bound;
49 using std::upper_bound;
54 // this is a minibuffer
59 LyXFont minibuffer_font;
60 Inset * minibuffer_inset;
65 extern BufferView * current_view;
68 Paragraph::Paragraph()
69 : pimpl_(new Paragraph::Pimpl(this))
82 // This constructor inserts the new paragraph in a list.
83 // It is placed after par.
84 Paragraph::Paragraph(Paragraph * par)
85 : pimpl_(new Paragraph::Pimpl(this))
90 // double linked list begin
93 next_->previous_ = this;
95 previous_->next_ = this;
103 Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
104 : pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this, same_ids))
112 // this is because of the dummy layout of the paragraphs that
114 layout_ = lp.layout();
116 // copy everything behind the break-position to the new paragraph
117 insetlist = lp.insetlist;
118 InsetList::iterator it = insetlist.begin();
119 InsetList::iterator end = insetlist.end();
120 for (; it != end; ++it) {
121 it.setInset(it.getInset()->clone(*current_view->buffer(),
123 // tell the new inset who is the boss now
124 it.getInset()->parOwner(this);
129 // the destructor removes the new paragraph from the list
130 Paragraph::~Paragraph()
134 previous_->next_ = next_;
136 next_->previous_ = previous_;
141 //lyxerr << "Paragraph::paragraph_id = "
142 // << Paragraph::paragraph_id << endl;
146 void Paragraph::write(Buffer const * buf, ostream & os,
147 BufferParams const & bparams,
148 depth_type & dth) const
150 // The beginning or end of a deeper (i.e. nested) area?
151 if (dth != params().depth()) {
152 if (params().depth() > dth) {
153 while (params().depth() > dth) {
154 os << "\n\\begin_deeper ";
158 while (params().depth() < dth) {
159 os << "\n\\end_deeper ";
165 // First write the layout
166 os << "\n\\layout " << layout()->name() << '\n';
168 // Maybe some vertical spaces.
169 if (params().spaceTop().kind() != VSpace::NONE)
170 os << "\\added_space_top "
171 << params().spaceTop().asLyXCommand() << ' ';
172 if (params().spaceBottom().kind() != VSpace::NONE)
173 os << "\\added_space_bottom "
174 << params().spaceBottom().asLyXCommand() << ' ';
176 // Maybe the paragraph has special spacing
177 params().spacing().writeFile(os, true);
179 // The labelwidth string used in lists.
180 if (!params().labelWidthString().empty())
181 os << "\\labelwidthstring "
182 << params().labelWidthString() << '\n';
184 // Lines above or below?
185 if (params().lineTop())
187 if (params().lineBottom())
188 os << "\\line_bottom ";
190 // Pagebreaks above or below?
191 if (params().pagebreakTop())
192 os << "\\pagebreak_top ";
193 if (params().pagebreakBottom())
194 os << "\\pagebreak_bottom ";
196 // Start of appendix?
197 if (params().startOfAppendix())
198 os << "\\start_of_appendix ";
201 if (params().noindent())
204 // Do we have a manual left indent?
205 if (!params().leftIndent().zero())
206 os << "\\leftindent " << params().leftIndent().asString()
210 if (params().align() != LYX_ALIGN_LAYOUT) {
212 switch (params().align()) {
213 case LYX_ALIGN_LEFT: h = 1; break;
214 case LYX_ALIGN_RIGHT: h = 2; break;
215 case LYX_ALIGN_CENTER: h = 3; break;
216 default: h = 0; break;
218 os << "\\align " << string_align[h] << ' ';
221 LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
223 Change running_change = Change(Change::UNCHANGED);
224 lyx::time_type const curtime(lyx::current_time());
227 for (pos_type i = 0; i < size(); ++i) {
233 Change change = pimpl_->lookupChangeFull(i);
234 Changes::lyxMarkChange(os, column, curtime, running_change, change);
235 running_change = change;
237 // Write font changes
238 LyXFont font2 = getFontSettings(bparams, i);
239 if (font2 != font1) {
240 font2.lyxWriteChanges(font1, os);
245 value_type const c = getChar(i);
249 Inset const * inset = getInset(i);
251 if (inset->directWrite()) {
252 // international char, let it write
253 // code directly so it's shorter in
255 inset->write(buf, os);
257 os << "\n\\begin_inset ";
258 inset->write(buf, os);
259 os << "\n\\end_inset \n\n";
265 os << "\n\\newline \n";
269 os << "\n\\backslash \n";
273 if (i + 1 < size() && getChar(i + 1) == ' ') {
280 if ((column > 70 && c == ' ')
285 // this check is to amend a bug. LyX sometimes
286 // inserts '\0' this could cause problems.
290 lyxerr << "ERROR (Paragraph::writeFile):"
291 " NULL char in structure." << endl;
297 // to make reading work properly
299 running_change = pimpl_->lookupChange(0);
300 Changes::lyxMarkChange(os, column, curtime,
301 Change(Change::UNCHANGED), running_change);
303 Changes::lyxMarkChange(os, column, curtime,
304 running_change, Change(Change::UNCHANGED));
308 void Paragraph::validate(LaTeXFeatures & features) const
310 pimpl_->validate(features, *layout());
314 // First few functions needed for cut and paste and paragraph breaking.
315 void Paragraph::copyIntoMinibuffer(Buffer const & buffer, pos_type pos) const
317 BufferParams bparams = buffer.params;
319 minibuffer_char = getChar(pos);
320 minibuffer_font = getFontSettings(bparams, pos);
321 minibuffer_inset = 0;
322 if (minibuffer_char == Paragraph::META_INSET) {
324 minibuffer_inset = getInset(pos)->clone(buffer);
326 minibuffer_inset = 0;
327 minibuffer_char = ' ';
328 // This reflects what GetInset() does (ARRae)
334 void Paragraph::cutIntoMinibuffer(BufferParams const & bparams, pos_type pos)
336 minibuffer_char = getChar(pos);
337 minibuffer_font = getFontSettings(bparams, pos);
338 minibuffer_inset = 0;
339 if (minibuffer_char == Paragraph::META_INSET) {
341 // the inset is not in a paragraph anymore
342 minibuffer_inset = insetlist.release(pos);
343 minibuffer_inset->parOwner(0);
345 minibuffer_inset = 0;
346 minibuffer_char = ' ';
347 // This reflects what GetInset() does (ARRae)
352 // Erase(pos); now the caller is responsible for that.
356 bool Paragraph::insertFromMinibuffer(pos_type pos)
358 if (minibuffer_char == Paragraph::META_INSET) {
359 if (!insetAllowed(minibuffer_inset->lyxCode())) {
362 insertInset(pos, minibuffer_inset, minibuffer_font);
364 LyXFont f = minibuffer_font;
365 if (!checkInsertChar(f)) {
368 insertChar(pos, minibuffer_char, f);
376 void Paragraph::eraseIntern(lyx::pos_type pos)
378 pimpl_->eraseIntern(pos);
382 void Paragraph::erase(pos_type pos)
388 bool Paragraph::erase(pos_type start, pos_type end)
390 return pimpl_->erase(start, end);
394 bool Paragraph::checkInsertChar(LyXFont & font)
396 if (pimpl_->inset_owner)
397 return pimpl_->inset_owner->checkInsertChar(font);
402 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c)
404 LyXFont const f(LyXFont::ALL_INHERIT);
405 insertChar(pos, c, f);
409 void Paragraph::insertChar(pos_type pos, Paragraph::value_type c,
410 LyXFont const & font, Change change)
412 pimpl_->insertChar(pos, c, font, change);
416 void Paragraph::insertInset(pos_type pos, Inset * inset)
418 LyXFont const f(LyXFont::ALL_INHERIT);
419 insertInset(pos, inset, f);
423 void Paragraph::insertInset(pos_type pos, Inset * inset, LyXFont const & font, Change change)
425 pimpl_->insertInset(pos, inset, font, change);
429 bool Paragraph::insetAllowed(Inset::Code code)
431 //lyxerr << "Paragraph::InsertInsetAllowed" << endl;
432 if (pimpl_->inset_owner)
433 return pimpl_->inset_owner->insetAllowed(code);
438 Inset * Paragraph::getInset(pos_type pos)
440 lyx::Assert(pos < size());
441 return insetlist.get(pos);
445 Inset const * Paragraph::getInset(pos_type pos) const
447 lyx::Assert(pos < size());
448 return insetlist.get(pos);
452 // Gets uninstantiated font setting at position.
453 LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
456 lyx::Assert(pos <= size());
458 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
459 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
460 for (; cit != end; ++cit) {
461 if (cit->pos() >= pos)
467 retfont = cit->font();
468 else if (pos == size() && !empty())
469 retfont = getFontSettings(bparams, pos - 1);
471 retfont = LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
477 // Gets uninstantiated font setting at position 0
478 LyXFont const Paragraph::getFirstFontSettings() const
480 if (!empty() && !pimpl_->fontlist.empty())
481 return pimpl_->fontlist[0].font();
483 return LyXFont(LyXFont::ALL_INHERIT);
487 // Gets the fully instantiated font at a given position in a paragraph
488 // This is basically the same function as LyXText::GetFont() in text2.C.
489 // The difference is that this one is used for generating the LaTeX file,
490 // and thus cosmetic "improvements" are disallowed: This has to deliver
491 // the true picture of the buffer. (Asger)
492 // If position is -1, we get the layout font of the paragraph.
493 // If position is -2, we get the font of the manual label of the paragraph.
494 LyXFont const Paragraph::getFont(BufferParams const & bparams,
497 lyx::Assert(pos >= 0);
499 LyXLayout_ptr const & lout = layout();
501 pos_type const body_pos = beginningOfBody();
505 layoutfont = lout->labelfont;
507 layoutfont = lout->font;
509 LyXFont tmpfont = getFontSettings(bparams, pos);
510 tmpfont.realize(layoutfont);
512 return pimpl_->realizeFont(tmpfont, bparams);
516 LyXFont const Paragraph::getLabelFont(BufferParams const & bparams) const
518 LyXLayout_ptr const & lout = layout();
520 LyXFont tmpfont = lout->labelfont;
521 tmpfont.setLanguage(getParLanguage(bparams));
523 return pimpl_->realizeFont(tmpfont, bparams);
527 LyXFont const Paragraph::getLayoutFont(BufferParams const & bparams) const
529 LyXLayout_ptr const & lout = layout();
531 LyXFont tmpfont = lout->font;
532 tmpfont.setLanguage(getParLanguage(bparams));
534 return pimpl_->realizeFont(tmpfont, bparams);
538 /// Returns the height of the highest font in range
540 Paragraph::highestFontInRange(pos_type startpos, pos_type endpos,
541 LyXFont::FONT_SIZE const def_size) const
543 if (pimpl_->fontlist.empty())
546 Pimpl::FontList::const_iterator end_it = pimpl_->fontlist.begin();
547 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
548 for (; end_it != end; ++end_it) {
549 if (end_it->pos() >= endpos)
556 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
557 for (; cit != end; ++cit) {
558 if (cit->pos() >= startpos)
562 LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
563 for (; cit != end_it; ++cit) {
564 LyXFont::FONT_SIZE size = cit->font().size();
565 if (size == LyXFont::INHERIT_SIZE)
567 if (size > maxsize && size <= LyXFont::SIZE_HUGER)
574 Paragraph::value_type
575 Paragraph::getUChar(BufferParams const & bparams, pos_type pos) const
577 value_type c = getChar(pos);
578 if (!lyxrc.rtl_support)
608 if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
615 void Paragraph::setFont(pos_type pos, LyXFont const & font)
617 lyx::Assert(pos <= size());
619 // First, reduce font against layout/label font
620 // Update: The SetCharFont() routine in text2.C already
621 // reduces font, so we don't need to do that here. (Asger)
622 // No need to simplify this because it will disappear
623 // in a new kernel. (Asger)
624 // Next search font table
626 Pimpl::FontList::iterator beg = pimpl_->fontlist.begin();
627 Pimpl::FontList::iterator it = beg;
628 Pimpl::FontList::iterator endit = pimpl_->fontlist.end();
629 for (; it != endit; ++it) {
630 if (it->pos() >= pos)
633 unsigned int i = std::distance(beg, it);
634 bool notfound = (it == endit);
636 if (!notfound && pimpl_->fontlist[i].font() == font)
639 bool begin = pos == 0 || notfound ||
640 (i > 0 && pimpl_->fontlist[i - 1].pos() == pos - 1);
641 // Is position pos is a beginning of a font block?
642 bool end = !notfound && pimpl_->fontlist[i].pos() == pos;
643 // Is position pos is the end of a font block?
644 if (begin && end) { // A single char block
645 if (i + 1 < pimpl_->fontlist.size() &&
646 pimpl_->fontlist[i + 1].font() == font) {
647 // Merge the singleton block with the next block
648 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
649 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
650 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i - 1);
651 } else if (i > 0 && pimpl_->fontlist[i - 1].font() == font) {
652 // Merge the singleton block with the previous block
653 pimpl_->fontlist[i - 1].pos(pos);
654 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
656 pimpl_->fontlist[i].font(font);
658 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
659 pimpl_->fontlist[i - 1].pos(pos);
661 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
662 Pimpl::FontTable(pos, font));
664 pimpl_->fontlist[i].pos(pos - 1);
665 if (!(i + 1 < pimpl_->fontlist.size() &&
666 pimpl_->fontlist[i + 1].font() == font))
667 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
668 Pimpl::FontTable(pos, font));
669 } else { // The general case. The block is splitted into 3 blocks
670 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
671 Pimpl::FontTable(pos - 1, pimpl_->fontlist[i].font()));
672 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
673 Pimpl::FontTable(pos, font));
679 void Paragraph::next(Paragraph * p)
685 // This function is able to hide closed footnotes.
686 Paragraph * Paragraph::next()
692 Paragraph const * Paragraph::next() const
698 void Paragraph::previous(Paragraph * p)
704 // This function is able to hide closed footnotes.
705 Paragraph * Paragraph::previous()
711 // This function is able to hide closed footnotes.
712 Paragraph const * Paragraph::previous() const
719 void Paragraph::makeSameLayout(Paragraph const * par)
721 layout(par->layout());
723 params() = par->params();
727 int Paragraph::stripLeadingSpaces()
729 if (layout()->free_spacing || isFreeSpacing())
733 while (!empty() && (isNewline(0) || isLineSeparator(0))) {
734 pimpl_->eraseIntern(0);
742 bool Paragraph::hasSameLayout(Paragraph const * par) const
745 par->layout() == layout() &&
746 params().sameLayout(par->params());
750 int Paragraph::getEndLabel() const
752 Paragraph const * par = this;
753 depth_type par_depth = getDepth();
755 LyXLayout_ptr const & layout = par->layout();
756 int const endlabeltype = layout->endlabeltype;
758 if (endlabeltype != END_LABEL_NO_LABEL) {
762 depth_type const next_depth = next_->getDepth();
763 if (par_depth > next_depth ||
764 (par_depth == next_depth
765 && layout != next_->layout()))
771 par = par->outerHook();
773 par_depth = par->getDepth();
775 return END_LABEL_NO_LABEL;
779 Paragraph::depth_type Paragraph::getDepth() const
781 return params().depth();
785 Paragraph::depth_type Paragraph::getMaxDepthAfter() const
787 if (layout()->isEnvironment())
788 return params().depth() + 1;
790 return params().depth();
794 char Paragraph::getAlign() const
796 return params().align();
800 string const & Paragraph::getLabelstring() const
802 return params().labelString();
806 // the next two functions are for the manual labels
807 string const Paragraph::getLabelWidthString() const
809 if (!params().labelWidthString().empty())
810 return params().labelWidthString();
812 return _("Senseless with this layout!");
816 void Paragraph::setLabelWidthString(string const & s)
818 params().labelWidthString(s);
822 void Paragraph::applyLayout(LyXLayout_ptr const & new_layout)
825 params().labelWidthString(string());
826 params().align(LYX_ALIGN_LAYOUT);
827 params().spaceTop(VSpace(VSpace::NONE));
828 params().spaceBottom(VSpace(VSpace::NONE));
829 params().spacing(Spacing(Spacing::Default));
833 int Paragraph::beginningOfBody() const
835 if (layout()->labeltype != LABEL_MANUAL)
838 // Unroll the first two cycles of the loop
839 // and remember the previous character to
840 // remove unnecessary GetChar() calls
842 if (i < size() && getChar(i) != Paragraph::META_NEWLINE) {
844 char previous_char = 0;
847 && (previous_char = getChar(i)) != Paragraph::META_NEWLINE) {
848 // Yes, this ^ is supposed to be "= " not "=="
851 && previous_char != ' '
852 && (temp = getChar(i)) != Paragraph::META_NEWLINE) {
854 previous_char = temp;
863 Paragraph * Paragraph::depthHook(depth_type depth)
865 Paragraph * newpar = this;
868 newpar = newpar->previous();
869 } while (newpar && newpar->getDepth() > depth);
872 if (previous() || getDepth())
873 lyxerr << "ERROR (Paragraph::DepthHook): "
882 Paragraph const * Paragraph::depthHook(depth_type depth) const
884 Paragraph const * newpar = this;
887 newpar = newpar->previous();
888 } while (newpar && newpar->getDepth() > depth);
891 if (previous() || getDepth())
892 lyxerr << "ERROR (Paragraph::DepthHook): "
901 Paragraph * Paragraph::outerHook()
905 return depthHook(depth_type(getDepth() - 1));
909 Paragraph const * Paragraph::outerHook() const
913 return depthHook(depth_type(getDepth() - 1));
917 // returns -1 if inset not found
918 int Paragraph::getPositionOfInset(Inset const * inset) const
921 InsetList::iterator it = insetlist.begin();
922 InsetList::iterator end = insetlist.end();
923 for (; it != end; ++it)
924 if (it.getInset() == inset)
930 InsetBibitem * Paragraph::bibitem()
932 InsetList::iterator it = insetlist.begin();
933 if (it != insetlist.end() && it.getInset()->lyxCode() == Inset::BIBTEX_CODE)
934 return static_cast<InsetBibitem *>(it.getInset());
940 // This could go to ParagraphParameters if we want to
941 int Paragraph::startTeXParParams(BufferParams const & bparams,
942 ostream & os, bool moving_arg) const
946 if (params().noindent()) {
951 switch (params().align()) {
953 case LYX_ALIGN_BLOCK:
954 case LYX_ALIGN_LAYOUT:
955 case LYX_ALIGN_SPECIAL:
958 case LYX_ALIGN_RIGHT:
959 case LYX_ALIGN_CENTER:
967 switch (params().align()) {
969 case LYX_ALIGN_BLOCK:
970 case LYX_ALIGN_LAYOUT:
971 case LYX_ALIGN_SPECIAL:
974 if (getParLanguage(bparams)->babel() != "hebrew") {
975 os << "\\begin{flushleft}";
978 os << "\\begin{flushright}";
982 case LYX_ALIGN_RIGHT:
983 if (getParLanguage(bparams)->babel() != "hebrew") {
984 os << "\\begin{flushright}";
987 os << "\\begin{flushleft}";
991 case LYX_ALIGN_CENTER:
992 os << "\\begin{center}";
1001 // This could go to ParagraphParameters if we want to
1002 int Paragraph::endTeXParParams(BufferParams const & bparams,
1003 ostream & os, bool moving_arg) const
1007 switch (params().align()) {
1008 case LYX_ALIGN_NONE:
1009 case LYX_ALIGN_BLOCK:
1010 case LYX_ALIGN_LAYOUT:
1011 case LYX_ALIGN_SPECIAL:
1013 case LYX_ALIGN_LEFT:
1014 case LYX_ALIGN_RIGHT:
1015 case LYX_ALIGN_CENTER:
1023 switch (params().align()) {
1024 case LYX_ALIGN_NONE:
1025 case LYX_ALIGN_BLOCK:
1026 case LYX_ALIGN_LAYOUT:
1027 case LYX_ALIGN_SPECIAL:
1029 case LYX_ALIGN_LEFT:
1030 if (getParLanguage(bparams)->babel() != "hebrew") {
1031 os << "\\end{flushleft}";
1034 os << "\\end{flushright}";
1038 case LYX_ALIGN_RIGHT:
1039 if (getParLanguage(bparams)->babel() != "hebrew") {
1040 os << "\\end{flushright}";
1043 os << "\\end{flushleft}";
1047 case LYX_ALIGN_CENTER:
1048 os << "\\end{center}";
1056 // This one spits out the text of the paragraph
1057 bool Paragraph::simpleTeXOnePar(Buffer const * buf,
1058 BufferParams const & bparams,
1059 ostream & os, TexRow & texrow,
1062 lyxerr[Debug::LATEX] << "SimpleTeXOnePar... " << this << endl;
1064 bool return_value = false;
1066 LyXLayout_ptr style;
1068 // well we have to check if we are in an inset with unlimited
1069 // lenght (all in one row) if that is true then we don't allow
1070 // any special options in the paragraph and also we don't allow
1071 // any environment other then "Standard" to be valid!
1073 (inInset() && inInset()->forceDefaultParagraphs(inInset()));
1076 style = bparams.getLyXTextClass().defaultLayout();
1083 // Maybe we have to create a optional argument.
1086 // FIXME: can we actually skip this check and just call
1087 // beginningOfBody() ??
1088 if (style->labeltype != LABEL_MANUAL) {
1091 body_pos = beginningOfBody();
1094 unsigned int column = 0;
1099 basefont = getLabelFont(bparams);
1101 basefont = getLayoutFont(bparams);
1104 moving_arg |= style->needprotect;
1106 // Which font is currently active?
1107 LyXFont running_font(basefont);
1108 // Do we have an open font change?
1109 bool open_font = false;
1111 Change::Type running_change = Change::UNCHANGED;
1113 texrow.start(this, 0);
1115 // if the paragraph is empty, the loop will not be entered at all
1117 if (style->isCommand()) {
1122 column += startTeXParParams(bparams, os, moving_arg);
1126 for (pos_type i = 0; i < size(); ++i) {
1128 // First char in paragraph or after label?
1129 if (i == body_pos) {
1132 column += running_font.latexWriteEndChanges(os, basefont, basefont);
1135 basefont = getLayoutFont(bparams);
1136 running_font = basefont;
1140 if (style->isCommand()) {
1146 column += startTeXParParams(bparams, os,
1150 value_type c = getChar(i);
1152 // Fully instantiated font
1153 LyXFont font = getFont(bparams, i);
1155 LyXFont const last_font = running_font;
1157 // Spaces at end of font change are simulated to be
1158 // outside font change, i.e. we write "\textXX{text} "
1159 // rather than "\textXX{text }". (Asger)
1160 if (open_font && c == ' ' && i <= size() - 2) {
1161 LyXFont const & next_font = getFont(bparams, i + 1);
1162 if (next_font != running_font
1163 && next_font != font) {
1168 // We end font definition before blanks
1170 (font != running_font ||
1171 font.language() != running_font.language()))
1173 column += running_font.latexWriteEndChanges(os,
1175 (i == body_pos-1) ? basefont : font);
1176 running_font = basefont;
1180 // Blanks are printed before start of fontswitch
1182 // Do not print the separation of the optional argument
1183 if (i != body_pos - 1) {
1184 pimpl_->simpleTeXBlanks(os, texrow, i,
1185 column, font, *style);
1189 // Do we need to change font?
1190 if ((font != running_font ||
1191 font.language() != running_font.language()) &&
1194 column += font.latexWriteStartChanges(os, basefont,
1196 running_font = font;
1200 Change::Type change = pimpl_->lookupChange(i);
1202 column += Changes::latexMarkChange(os, running_change, change);
1203 running_change = change;
1205 if (c == Paragraph::META_NEWLINE) {
1206 // newlines are handled differently here than
1207 // the default in SimpleTeXSpecialChars().
1208 if (!style->newline_allowed) {
1212 column += running_font.latexWriteEndChanges(os, basefont, basefont);
1215 basefont = getLayoutFont(bparams);
1216 running_font = basefont;
1217 if (font.family() ==
1218 LyXFont::TYPEWRITER_FAMILY) {
1227 texrow.start(this, i + 1);
1230 pimpl_->simpleTeXSpecialChars(buf, bparams,
1231 os, texrow, moving_arg,
1233 basefont, open_font,
1235 *style, i, column, c);
1239 column += Changes::latexMarkChange(os,
1240 running_change, Change::UNCHANGED);
1242 // If we have an open font definition, we have to close it
1244 #ifdef FIXED_LANGUAGE_END_DETECTION
1247 .latexWriteEndChanges(os, basefont,
1248 next_->getFont(bparams,
1251 running_font.latexWriteEndChanges(os, basefont,
1255 #ifdef WITH_WARNINGS
1256 //#warning For now we ALWAYS have to close the foreign font settings if they are
1257 //#warning there as we start another \selectlanguage with the next paragraph if
1258 //#warning we are in need of this. This should be fixed sometime (Jug)
1260 running_font.latexWriteEndChanges(os, basefont, basefont);
1264 // Needed if there is an optional argument but no contents.
1265 if (body_pos > 0 && body_pos == size()) {
1267 return_value = false;
1271 column += endTeXParParams(bparams, os, moving_arg);
1274 lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
1275 return return_value;
1281 bool Paragraph::isHfill(pos_type pos) const
1283 return IsInsetChar(getChar(pos))
1284 && getInset(pos)->lyxCode() == Inset::HFILL_CODE;
1288 bool Paragraph::isInset(pos_type pos) const
1290 return IsInsetChar(getChar(pos));
1294 bool Paragraph::isNewline(pos_type pos) const
1296 return pos >= 0 && IsNewlineChar(getChar(pos));
1300 bool Paragraph::isSeparator(pos_type pos) const
1302 return IsSeparatorChar(getChar(pos));
1306 bool Paragraph::isLineSeparator(pos_type pos) const
1308 value_type const c = getChar(pos);
1309 return IsLineSeparatorChar(c)
1310 || (IsInsetChar(c) && getInset(pos) &&
1311 getInset(pos)->isLineSeparator());
1315 bool Paragraph::isKomma(pos_type pos) const
1317 return IsKommaChar(getChar(pos));
1321 /// Used by the spellchecker
1322 bool Paragraph::isLetter(pos_type pos) const
1324 value_type const c = getChar(pos);
1325 if (IsLetterChar(c))
1328 return getInset(pos)->isLetter();
1329 // We want to pass the ' and escape chars to ispell
1330 string const extra = lyxrc.isp_esc_chars + '\'';
1331 return contains(extra, c);
1335 bool Paragraph::isWord(pos_type pos) const
1337 return IsWordChar(getChar(pos)) ;
1342 Paragraph::getParLanguage(BufferParams const & bparams) const
1345 return getFirstFontSettings().language();
1346 } else if (previous_)
1347 return previous_->getParLanguage(bparams);
1349 return bparams.language;
1353 bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
1355 return lyxrc.rtl_support
1356 && getParLanguage(bparams)->RightToLeft()
1357 && !(inInset() && inInset()->owner() &&
1358 inInset()->owner()->lyxCode() == Inset::ERT_CODE);
1362 void Paragraph::changeLanguage(BufferParams const & bparams,
1363 Language const * from, Language const * to)
1365 for (pos_type i = 0; i < size(); ++i) {
1366 LyXFont font = getFontSettings(bparams, i);
1367 if (font.language() == from) {
1368 font.setLanguage(to);
1375 bool Paragraph::isMultiLingual(BufferParams const & bparams)
1377 Language const * doc_language = bparams.language;
1378 Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
1379 Pimpl::FontList::const_iterator end = pimpl_->fontlist.end();
1381 for (; cit != end; ++cit)
1382 if (cit->font().language() != ignore_language &&
1383 cit->font().language() != latex_language &&
1384 cit->font().language() != doc_language)
1390 // Convert the paragraph to a string.
1391 // Used for building the table of contents
1392 string const Paragraph::asString(Buffer const * buffer, bool label) const
1395 if (label && !params().labelString().empty())
1396 s += params().labelString() + ' ';
1398 for (pos_type i = 0; i < size(); ++i) {
1399 value_type c = getChar(i);
1402 else if (c == META_INSET &&
1403 getInset(i)->lyxCode() == Inset::MATH_CODE) {
1405 getInset(i)->ascii(buffer, ost);
1406 s += subst(STRCONV(ost.str()),'\n',' ');
1414 string const Paragraph::asString(Buffer const * buffer,
1415 pos_type beg, pos_type end, bool label) const
1419 if (beg == 0 && label && !params().labelString().empty())
1420 os << params().labelString() << ' ';
1422 for (pos_type i = beg; i < end; ++i) {
1423 value_type const c = getUChar(buffer->params, i);
1426 else if (c == META_NEWLINE)
1428 else if (c == META_INSET)
1429 getInset(i)->ascii(buffer, os);
1432 return STRCONV(os.str());
1436 void Paragraph::setInsetOwner(Inset * i)
1438 pimpl_->inset_owner = i;
1439 InsetList::iterator it = insetlist.begin();
1440 InsetList::iterator end = insetlist.end();
1441 for (; it != end; ++it)
1443 it.getInset()->setOwner(i);
1447 void Paragraph::deleteInsetsLyXText(BufferView * bv)
1450 insetlist.deleteInsetsLyXText(bv);
1454 void Paragraph::resizeInsetsLyXText(BufferView * bv)
1457 insetlist.resizeInsetsLyXText(bv);
1461 void Paragraph::setContentsFromPar(Paragraph * par)
1463 pimpl_->setContentsFromPar(par);
1467 void Paragraph::trackChanges(Change::Type type)
1469 pimpl_->trackChanges(type);
1473 void Paragraph::untrackChanges()
1475 pimpl_->untrackChanges();
1479 void Paragraph::cleanChanges()
1481 pimpl_->cleanChanges();
1485 Change::Type Paragraph::lookupChange(lyx::pos_type pos) const
1487 lyx::Assert(!size() || pos < size());
1488 return pimpl_->lookupChange(pos);
1492 Change const Paragraph::lookupChangeFull(lyx::pos_type pos) const
1494 lyx::Assert(!size() || pos < size());
1495 return pimpl_->lookupChangeFull(pos);
1499 bool Paragraph::isChanged(pos_type start, pos_type end) const
1501 return pimpl_->isChanged(start, end);
1505 bool Paragraph::isChangeEdited(pos_type start, pos_type end) const
1507 return pimpl_->isChangeEdited(start, end);
1511 void Paragraph::setChange(lyx::pos_type pos, Change::Type type)
1513 pimpl_->setChange(pos, type);
1518 void Paragraph::markErased()
1520 pimpl_->markErased();
1524 void Paragraph::acceptChange(pos_type start, pos_type end)
1526 return pimpl_->acceptChange(start, end);
1530 void Paragraph::rejectChange(pos_type start, pos_type end)
1532 return pimpl_->rejectChange(start, end);
1536 lyx::pos_type Paragraph::size() const
1538 return pimpl_->size();
1542 bool Paragraph::empty() const
1544 return pimpl_->empty();
1548 Paragraph::value_type Paragraph::getChar(pos_type pos) const
1550 return pimpl_->getChar(pos);
1554 int Paragraph::id() const
1560 LyXLayout_ptr const & Paragraph::layout() const
1566 void Paragraph::layout(LyXLayout_ptr const & new_layout)
1568 layout_ = new_layout;
1572 bool Paragraph::isFirstInSequence() const
1574 Paragraph const * dhook = depthHook(getDepth());
1575 return (dhook == this
1576 || dhook->layout() != layout()
1577 || dhook->getDepth() != getDepth());
1581 Inset * Paragraph::inInset() const
1583 return pimpl_->inset_owner;
1587 void Paragraph::clearContents()
1592 void Paragraph::setChar(pos_type pos, value_type c)
1594 pimpl_->setChar(pos, c);
1598 ParagraphParameters & Paragraph::params()
1600 return pimpl_->params;
1604 ParagraphParameters const & Paragraph::params() const
1606 return pimpl_->params;
1610 bool Paragraph::isFreeSpacing() const
1612 // for now we just need this, later should we need this in some
1613 // other way we can always add a function to Inset::() too.
1614 if (pimpl_->inset_owner && pimpl_->inset_owner->owner())
1615 return (pimpl_->inset_owner->owner()->lyxCode() == Inset::ERT_CODE);