2006-12-29 23:54:48 +00:00
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/**
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2007-04-26 04:41:58 +00:00
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* \file src/TextMetrics.cpp
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2006-12-29 23:54:48 +00:00
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Asger Alstrup
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* \author Lars Gullik Bj<EFBFBD>nnes
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* \author Jean-Marc Lasgouttes
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* \author John Levon
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* \author Andr<EFBFBD> P<EFBFBD>nitz
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* \author Dekel Tsur
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* \author J<EFBFBD>rgen Vigna
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "TextMetrics.h"
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2007-04-26 04:41:58 +00:00
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#include "Buffer.h"
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#include "BufferParams.h"
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2006-12-29 23:54:48 +00:00
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#include "BufferView.h"
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2007-01-01 09:36:55 +00:00
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#include "paragraph_funcs.h"
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2007-04-26 04:41:58 +00:00
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#include "ParIterator.h"
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#include "CoordCache.h"
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2006-12-29 23:54:48 +00:00
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#include "debug.h"
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2007-04-26 04:41:58 +00:00
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#include "FuncRequest.h"
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2006-12-29 23:54:48 +00:00
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#include "FontIterator.h"
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2007-04-26 17:34:20 +00:00
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#include "Color.h"
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2007-04-28 12:58:49 +00:00
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#include "Length.h"
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2007-04-26 04:41:58 +00:00
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#include "LyXRC.h"
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2007-04-29 23:33:02 +00:00
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#include "Text.h"
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2007-04-26 04:41:58 +00:00
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#include "MetricsInfo.h"
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2006-12-29 23:54:48 +00:00
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#include "ParagraphParameters.h"
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2007-04-26 04:41:58 +00:00
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#include "VSpace.h"
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2006-12-29 23:54:48 +00:00
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#include "frontends/FontMetrics.h"
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#include "frontends/Painter.h"
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using std::max;
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using std::min;
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using std::endl;
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namespace lyx {
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using frontend::FontMetrics;
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namespace {
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int numberOfSeparators(Paragraph const & par, Row const & row)
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{
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pos_type const first = max(row.pos(), par.beginOfBody());
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pos_type const last = row.endpos() - 1;
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int n = 0;
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for (pos_type p = first; p < last; ++p) {
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if (par.isSeparator(p))
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++n;
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}
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return n;
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}
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int numberOfLabelHfills(Paragraph const & par, Row const & row)
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{
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pos_type last = row.endpos() - 1;
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pos_type first = row.pos();
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// hfill *DO* count at the beginning of paragraphs!
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if (first) {
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while (first < last && par.isHfill(first))
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++first;
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}
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last = min(last, par.beginOfBody());
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int n = 0;
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for (pos_type p = first; p < last; ++p) {
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if (par.isHfill(p))
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++n;
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}
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return n;
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}
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int numberOfHfills(Paragraph const & par, Row const & row)
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{
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2007-01-04 19:46:03 +00:00
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pos_type const last = row.endpos();
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2006-12-29 23:54:48 +00:00
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pos_type first = row.pos();
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// hfill *DO* count at the beginning of paragraphs!
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if (first) {
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2007-01-04 19:46:03 +00:00
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while (first < last && par.isHfill(first))
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2006-12-29 23:54:48 +00:00
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++first;
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}
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first = max(first, par.beginOfBody());
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int n = 0;
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for (pos_type p = first; p < last; ++p) {
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if (par.isHfill(p))
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++n;
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}
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return n;
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}
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} // namespace anon
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2007-04-29 23:33:02 +00:00
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TextMetrics::TextMetrics(BufferView * bv, Text * text)
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2006-12-29 23:54:48 +00:00
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: bv_(bv), text_(text)
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{
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BOOST_ASSERT(bv_);
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max_width_ = bv_->workWidth();
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dim_.wid = max_width_;
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dim_.asc = 10;
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dim_.des = 10;
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2007-08-21 13:03:55 +00:00
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//text_->updateLabels(bv->buffer());
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2006-12-29 23:54:48 +00:00
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}
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ParagraphMetrics const & TextMetrics::parMetrics(pit_type pit) const
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{
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return const_cast<TextMetrics *>(this)->parMetrics(pit, true);
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}
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ParagraphMetrics & TextMetrics::parMetrics(pit_type pit,
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bool redo)
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{
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ParMetricsCache::iterator pmc_it = par_metrics_.find(pit);
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if (pmc_it == par_metrics_.end()) {
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pmc_it = par_metrics_.insert(
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std::make_pair(pit, ParagraphMetrics(text_->getPar(pit)))).first;
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}
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if (pmc_it->second.rows().empty() && redo) {
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redoParagraph(pit);
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}
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return pmc_it->second;
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}
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bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim)
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{
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BOOST_ASSERT(mi.base.textwidth);
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max_width_ = mi.base.textwidth;
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2007-04-29 23:33:02 +00:00
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//lyxerr << "Text::metrics: width: " << mi.base.textwidth
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2006-12-29 23:54:48 +00:00
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// << " maxWidth: " << max_width_ << "\nfont: " << mi.base.font << endl;
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2007-05-28 22:27:45 +00:00
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2006-12-29 23:54:48 +00:00
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bool changed = false;
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unsigned int h = 0;
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unsigned int w = 0;
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for (pit_type pit = 0, n = text_->paragraphs().size(); pit != n; ++pit) {
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changed |= redoParagraph(pit);
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2007-08-18 21:10:45 +00:00
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ParagraphMetrics const & pm = par_metrics_[pit];
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2006-12-29 23:54:48 +00:00
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h += pm.height();
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if (w < pm.width())
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w = pm.width();
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}
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dim.wid = w;
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2007-08-18 21:10:45 +00:00
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dim.asc = par_metrics_[0].ascent();
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2006-12-29 23:54:48 +00:00
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dim.des = h - dim.asc;
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changed |= dim_ != dim;
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dim_ = dim;
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return changed;
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}
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int TextMetrics::rightMargin(ParagraphMetrics const & pm) const
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{
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2007-08-21 13:03:55 +00:00
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return main_text_? pm.rightMargin(bv_->buffer()) : 0;
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2006-12-29 23:54:48 +00:00
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}
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int TextMetrics::rightMargin(pit_type const pit) const
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{
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2007-08-21 13:03:55 +00:00
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return main_text_? par_metrics_[pit].rightMargin(bv_->buffer()) : 0;
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2006-12-29 23:54:48 +00:00
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}
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bool TextMetrics::redoParagraph(pit_type const pit)
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{
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2007-08-27 14:04:46 +00:00
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Paragraph & par = text_->getPar(pit);
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2007-08-18 21:10:45 +00:00
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// IMPORTANT NOTE: We pass 'false' explicitely in order to not call
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// redoParagraph() recursively inside parMetrics.
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Dimension old_dim = parMetrics(pit, false).dim();
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ParagraphMetrics & pm = par_metrics_[pit];
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2007-08-27 14:04:46 +00:00
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pm.reset(par);
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2007-08-21 13:03:55 +00:00
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Buffer & buffer = bv_->buffer();
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2006-12-29 23:54:48 +00:00
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main_text_ = (text_ == &buffer.text());
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bool changed = false;
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2007-05-28 22:27:45 +00:00
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// FIXME This check ought to be done somewhere else. It is the reason
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2007-05-19 19:29:50 +00:00
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// why text_ is not const. But then, where else to do it?
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// Well, how can you end up with either (a) a biblio environment that
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// has no InsetBibitem or (b) a biblio environment with more than one
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// InsetBibitem? I think the answer is: when paragraphs are merged;
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// when layout is set; when material is pasted.
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int const moveCursor = par.checkBiblio(buffer.params().trackChanges);
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if (moveCursor > 0)
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2007-04-26 14:56:30 +00:00
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const_cast<Cursor &>(bv_->cursor()).posRight();
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2007-05-19 19:29:50 +00:00
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else if (moveCursor < 0) {
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Cursor & cursor = const_cast<Cursor &>(bv_->cursor());
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if (cursor.pos() >= -moveCursor)
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cursor.posLeft();
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}
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2006-12-29 23:54:48 +00:00
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// Optimisation: this is used in the next two loops
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// so better to calculate that once here.
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int const right_margin = rightMargin(pm);
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// redo insets
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// FIXME: We should always use getFont(), see documentation of
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2007-04-29 13:39:47 +00:00
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// noFontChange() in Inset.h.
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2007-04-29 18:17:15 +00:00
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Font const bufferfont = buffer.params().getFont();
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2006-12-29 23:54:48 +00:00
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InsetList::const_iterator ii = par.insetlist.begin();
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InsetList::const_iterator iend = par.insetlist.end();
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for (; ii != iend; ++ii) {
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Dimension dim;
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int const w = max_width_ - text_->leftMargin(buffer, max_width_, pit, ii->pos)
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- right_margin;
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2007-04-29 18:17:15 +00:00
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Font const & font = ii->inset->noFontChange() ?
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2006-12-29 23:54:48 +00:00
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bufferfont : text_->getFont(buffer, par, ii->pos);
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MetricsInfo mi(bv_, font, w);
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changed |= ii->inset->metrics(mi, dim);
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}
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par.setBeginOfBody();
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pos_type z = 0;
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2007-01-01 09:36:55 +00:00
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// maximum pixel width of a row
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int width = max_width_ - right_margin; // - leftMargin(buffer, max_width_, pit, row);
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2006-12-29 23:54:48 +00:00
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do {
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Row row(z);
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2007-01-01 09:36:55 +00:00
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rowBreakPoint(width, pit, row);
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setRowWidth(right_margin, pit, row);
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setHeightOfRow(pit, row);
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2006-12-29 23:54:48 +00:00
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pm.rows().push_back(row);
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pm.dim().wid = std::max(pm.dim().wid, row.width());
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pm.dim().des += row.height();
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z = row.endpos();
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} while (z < par.size());
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// Make sure that if a par ends in newline, there is one more row
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// under it
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if (z > 0 && par.isNewline(z - 1)) {
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2007-05-30 06:44:18 +00:00
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Row row(z);
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row.endpos(z);
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2007-01-01 09:36:55 +00:00
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setRowWidth(right_margin, pit, row);
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setHeightOfRow(pit, row);
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2006-12-29 23:54:48 +00:00
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pm.rows().push_back(row);
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pm.dim().des += row.height();
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}
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pm.dim().asc += pm.rows()[0].ascent();
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pm.dim().des -= pm.rows()[0].ascent();
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changed |= old_dim.height() != pm.dim().height();
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2007-01-06 09:15:59 +00:00
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// Update the row change statuses. The painter will need that info
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// in order to know which row has to be repainted.
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2007-08-18 21:10:45 +00:00
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pm.updateRowChangeStatus();
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2007-01-06 09:15:59 +00:00
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2006-12-29 23:54:48 +00:00
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return changed;
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}
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RowMetrics TextMetrics::computeRowMetrics(pit_type const pit,
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Row const & row) const
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{
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RowMetrics result;
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2007-08-21 13:03:55 +00:00
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Buffer & buffer = bv_->buffer();
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2006-12-29 23:54:48 +00:00
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Paragraph const & par = text_->getPar(pit);
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double w = dim_.wid - row.width();
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bool const is_rtl = text_->isRTL(buffer, par);
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if (is_rtl)
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result.x = rightMargin(pit);
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else
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result.x = text_->leftMargin(buffer, max_width_, pit, row.pos());
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// is there a manual margin with a manual label
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2007-08-23 19:59:07 +00:00
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LayoutPtr const & layout = par.layout();
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2006-12-29 23:54:48 +00:00
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if (layout->margintype == MARGIN_MANUAL
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&& layout->labeltype == LABEL_MANUAL) {
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/// We might have real hfills in the label part
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int nlh = numberOfLabelHfills(par, row);
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|
|
// A manual label par (e.g. List) has an auto-hfill
|
|
|
|
|
// between the label text and the body of the
|
|
|
|
|
// paragraph too.
|
|
|
|
|
// But we don't want to do this auto hfill if the par
|
|
|
|
|
// is empty.
|
|
|
|
|
if (!par.empty())
|
|
|
|
|
++nlh;
|
|
|
|
|
|
|
|
|
|
if (nlh && !par.getLabelWidthString().empty())
|
2007-08-18 21:17:10 +00:00
|
|
|
|
result.label_hfill = labelFill(pit, row) / double(nlh);
|
2006-12-29 23:54:48 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// are there any hfills in the row?
|
|
|
|
|
int const nh = numberOfHfills(par, row);
|
|
|
|
|
|
|
|
|
|
if (nh) {
|
|
|
|
|
if (w > 0)
|
|
|
|
|
result.hfill = w / nh;
|
|
|
|
|
// we don't have to look at the alignment if it is ALIGN_LEFT and
|
|
|
|
|
// if the row is already larger then the permitted width as then
|
|
|
|
|
// we force the LEFT_ALIGN'edness!
|
|
|
|
|
} else if (int(row.width()) < max_width_) {
|
|
|
|
|
// is it block, flushleft or flushright?
|
|
|
|
|
// set x how you need it
|
|
|
|
|
int align;
|
|
|
|
|
if (par.params().align() == LYX_ALIGN_LAYOUT)
|
|
|
|
|
align = layout->align;
|
|
|
|
|
else
|
|
|
|
|
align = par.params().align();
|
|
|
|
|
|
|
|
|
|
// Display-style insets should always be on a centred row
|
|
|
|
|
// The test on par.size() is to catch zero-size pars, which
|
|
|
|
|
// would trigger the assert in Paragraph::getInset().
|
|
|
|
|
//inset = par.size() ? par.getInset(row.pos()) : 0;
|
2007-05-30 06:44:18 +00:00
|
|
|
|
if (row.pos() < par.size()
|
2007-05-18 14:32:29 +00:00
|
|
|
|
&& par.isInset(row.pos()))
|
2006-12-29 23:54:48 +00:00
|
|
|
|
{
|
2007-05-18 14:32:29 +00:00
|
|
|
|
switch(par.getInset(row.pos())->display()) {
|
|
|
|
|
case Inset::AlignLeft:
|
|
|
|
|
align = LYX_ALIGN_BLOCK;
|
|
|
|
|
break;
|
|
|
|
|
case Inset::AlignCenter:
|
|
|
|
|
align = LYX_ALIGN_CENTER;
|
|
|
|
|
break;
|
2007-08-10 20:14:54 +00:00
|
|
|
|
case Inset::Inline:
|
|
|
|
|
case Inset::AlignRight:
|
|
|
|
|
// unchanged (use align)
|
|
|
|
|
break;
|
|
|
|
|
}
|
2006-12-29 23:54:48 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (align) {
|
|
|
|
|
case LYX_ALIGN_BLOCK: {
|
|
|
|
|
int const ns = numberOfSeparators(par, row);
|
|
|
|
|
bool disp_inset = false;
|
|
|
|
|
if (row.endpos() < par.size()) {
|
2007-04-29 13:39:47 +00:00
|
|
|
|
Inset const * in = par.getInset(row.endpos());
|
2006-12-29 23:54:48 +00:00
|
|
|
|
if (in)
|
|
|
|
|
disp_inset = in->display();
|
|
|
|
|
}
|
|
|
|
|
// If we have separators, this is not the last row of a
|
|
|
|
|
// par, does not end in newline, and is not row above a
|
|
|
|
|
// display inset... then stretch it
|
|
|
|
|
if (ns
|
|
|
|
|
&& row.endpos() < par.size()
|
|
|
|
|
&& !par.isNewline(row.endpos() - 1)
|
|
|
|
|
&& !disp_inset
|
|
|
|
|
) {
|
|
|
|
|
result.separator = w / ns;
|
|
|
|
|
} else if (is_rtl) {
|
|
|
|
|
result.x += w;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
case LYX_ALIGN_RIGHT:
|
|
|
|
|
result.x += w;
|
|
|
|
|
break;
|
|
|
|
|
case LYX_ALIGN_CENTER:
|
|
|
|
|
result.x += w / 2;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (is_rtl) {
|
|
|
|
|
pos_type body_pos = par.beginOfBody();
|
|
|
|
|
pos_type end = row.endpos();
|
|
|
|
|
|
|
|
|
|
if (body_pos > 0
|
|
|
|
|
&& (body_pos > end || !par.isLineSeparator(body_pos - 1)))
|
|
|
|
|
{
|
2007-08-18 13:21:12 +00:00
|
|
|
|
result.x += theFontMetrics(text_->getLabelFont(buffer, par)).
|
|
|
|
|
width(layout->labelsep);
|
2006-12-29 23:54:48 +00:00
|
|
|
|
if (body_pos <= end)
|
|
|
|
|
result.x += result.label_hfill;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-08-18 21:17:10 +00:00
|
|
|
|
int TextMetrics::labelFill(pit_type const pit, Row const & row) const
|
2006-12-29 23:54:48 +00:00
|
|
|
|
{
|
2007-08-21 13:03:55 +00:00
|
|
|
|
Buffer & buffer = bv_->buffer();
|
2007-08-18 21:17:10 +00:00
|
|
|
|
Paragraph const & par = text_->getPar(pit);
|
2006-12-29 23:54:48 +00:00
|
|
|
|
|
|
|
|
|
pos_type last = par.beginOfBody();
|
|
|
|
|
BOOST_ASSERT(last > 0);
|
|
|
|
|
|
|
|
|
|
// -1 because a label ends with a space that is in the label
|
|
|
|
|
--last;
|
|
|
|
|
|
|
|
|
|
// a separator at this end does not count
|
|
|
|
|
if (par.isLineSeparator(last))
|
|
|
|
|
--last;
|
|
|
|
|
|
|
|
|
|
int w = 0;
|
|
|
|
|
for (pos_type i = row.pos(); i <= last; ++i)
|
2007-08-18 21:17:10 +00:00
|
|
|
|
w += singleWidth(pit, i);
|
2006-12-29 23:54:48 +00:00
|
|
|
|
|
|
|
|
|
docstring const & label = par.params().labelWidthString();
|
|
|
|
|
if (label.empty())
|
|
|
|
|
return 0;
|
|
|
|
|
|
2007-05-28 22:27:45 +00:00
|
|
|
|
FontMetrics const & fm
|
2006-12-29 23:54:48 +00:00
|
|
|
|
= theFontMetrics(text_->getLabelFont(buffer, par));
|
|
|
|
|
|
|
|
|
|
return max(0, fm.width(label) - w);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-01-01 09:36:55 +00:00
|
|
|
|
namespace {
|
|
|
|
|
|
|
|
|
|
// this needs special handling - only newlines count as a break point
|
|
|
|
|
pos_type addressBreakPoint(pos_type i, Paragraph const & par)
|
|
|
|
|
{
|
|
|
|
|
pos_type const end = par.size();
|
|
|
|
|
|
|
|
|
|
for (; i < end; ++i)
|
|
|
|
|
if (par.isNewline(i))
|
|
|
|
|
return i + 1;
|
|
|
|
|
|
|
|
|
|
return end;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
int TextMetrics::labelEnd(pit_type const pit) const
|
|
|
|
|
{
|
|
|
|
|
// labelEnd is only needed if the layout fills a flushleft label.
|
|
|
|
|
if (text_->getPar(pit).layout()->margintype != MARGIN_MANUAL)
|
|
|
|
|
return 0;
|
|
|
|
|
// return the beginning of the body
|
2007-08-21 13:03:55 +00:00
|
|
|
|
return text_->leftMargin(bv_->buffer(), max_width_, pit);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void TextMetrics::rowBreakPoint(int width, pit_type const pit,
|
|
|
|
|
Row & row) const
|
|
|
|
|
{
|
2007-08-21 13:03:55 +00:00
|
|
|
|
Buffer & buffer = bv_->buffer();
|
2007-08-18 21:17:10 +00:00
|
|
|
|
ParagraphMetrics const & pm = par_metrics_[pit];
|
2007-01-01 09:36:55 +00:00
|
|
|
|
Paragraph const & par = text_->getPar(pit);
|
|
|
|
|
pos_type const end = par.size();
|
|
|
|
|
pos_type const pos = row.pos();
|
|
|
|
|
if (pos == end) {
|
|
|
|
|
row.endpos(end);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (width < 0) {
|
|
|
|
|
row.endpos(end);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2007-08-23 19:59:07 +00:00
|
|
|
|
LayoutPtr const & layout = par.layout();
|
2007-01-01 09:36:55 +00:00
|
|
|
|
|
|
|
|
|
if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
|
|
|
|
|
row.endpos(addressBreakPoint(pos, par));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pos_type const body_pos = par.beginOfBody();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Now we iterate through until we reach the right margin
|
|
|
|
|
// or the end of the par, then choose the possible break
|
|
|
|
|
// nearest that.
|
|
|
|
|
|
|
|
|
|
int label_end = labelEnd(pit);
|
|
|
|
|
int const left = text_->leftMargin(buffer, max_width_, pit, pos);
|
|
|
|
|
int x = left;
|
|
|
|
|
|
|
|
|
|
// pixel width since last breakpoint
|
|
|
|
|
int chunkwidth = 0;
|
|
|
|
|
|
|
|
|
|
FontIterator fi = FontIterator(buffer, *text_, par, pos);
|
|
|
|
|
pos_type point = end;
|
|
|
|
|
pos_type i = pos;
|
|
|
|
|
for ( ; i < end; ++i, ++fi) {
|
2007-08-18 21:17:10 +00:00
|
|
|
|
int thiswidth = pm.singleWidth(i, *fi);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
|
|
|
|
|
// add the auto-hfill from label end to the body
|
|
|
|
|
if (body_pos && i == body_pos) {
|
2007-08-18 13:21:12 +00:00
|
|
|
|
FontMetrics const & fm = theFontMetrics(
|
|
|
|
|
text_->getLabelFont(buffer, par));
|
|
|
|
|
int add = fm.width(layout->labelsep);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
if (par.isLineSeparator(i - 1))
|
2007-08-18 21:17:10 +00:00
|
|
|
|
add -= singleWidth(pit, i - 1);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
|
|
|
|
|
add = std::max(add, label_end - x);
|
|
|
|
|
thiswidth += add;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
x += thiswidth;
|
|
|
|
|
chunkwidth += thiswidth;
|
|
|
|
|
|
|
|
|
|
// break before a character that will fall off
|
|
|
|
|
// the right of the row
|
|
|
|
|
if (x >= width) {
|
|
|
|
|
// if no break before, break here
|
|
|
|
|
if (point == end || chunkwidth >= width - left) {
|
|
|
|
|
if (i > pos)
|
|
|
|
|
point = i;
|
|
|
|
|
else
|
|
|
|
|
point = i + 1;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
// exit on last registered breakpoint:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (par.isNewline(i)) {
|
|
|
|
|
point = i + 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
// Break before...
|
|
|
|
|
if (i + 1 < end) {
|
|
|
|
|
if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
|
|
|
|
|
point = i + 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
// ...and after.
|
|
|
|
|
if (par.isInset(i) && par.getInset(i)->display()) {
|
|
|
|
|
point = i + 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!par.isInset(i) || par.getInset(i)->isChar()) {
|
|
|
|
|
// some insets are line separators too
|
|
|
|
|
if (par.isLineSeparator(i)) {
|
|
|
|
|
// register breakpoint:
|
|
|
|
|
point = i + 1;
|
|
|
|
|
chunkwidth = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// maybe found one, but the par is short enough.
|
|
|
|
|
if (i == end && x < width)
|
|
|
|
|
point = end;
|
|
|
|
|
|
|
|
|
|
// manual labels cannot be broken in LaTeX. But we
|
|
|
|
|
// want to make our on-screen rendering of footnotes
|
|
|
|
|
// etc. still break
|
|
|
|
|
if (body_pos && point < body_pos)
|
|
|
|
|
point = body_pos;
|
|
|
|
|
|
|
|
|
|
row.endpos(point);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void TextMetrics::setRowWidth(int right_margin,
|
|
|
|
|
pit_type const pit, Row & row) const
|
|
|
|
|
{
|
2007-08-21 13:03:55 +00:00
|
|
|
|
Buffer & buffer = bv_->buffer();
|
2007-01-01 09:36:55 +00:00
|
|
|
|
// get the pure distance
|
|
|
|
|
pos_type const end = row.endpos();
|
2007-08-18 21:17:10 +00:00
|
|
|
|
ParagraphMetrics const & pm = par_metrics_[pit];
|
2007-01-01 09:36:55 +00:00
|
|
|
|
Paragraph const & par = text_->getPar(pit);
|
|
|
|
|
int w = text_->leftMargin(buffer, max_width_, pit, row.pos());
|
|
|
|
|
int label_end = labelEnd(pit);
|
|
|
|
|
|
|
|
|
|
pos_type const body_pos = par.beginOfBody();
|
|
|
|
|
pos_type i = row.pos();
|
|
|
|
|
|
|
|
|
|
if (i < end) {
|
|
|
|
|
FontIterator fi = FontIterator(buffer, *text_, par, i);
|
|
|
|
|
for ( ; i < end; ++i, ++fi) {
|
|
|
|
|
if (body_pos > 0 && i == body_pos) {
|
2007-08-18 13:21:12 +00:00
|
|
|
|
FontMetrics const & fm = theFontMetrics(
|
|
|
|
|
text_->getLabelFont(buffer, par));
|
|
|
|
|
w += fm.width(par.layout()->labelsep);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
if (par.isLineSeparator(i - 1))
|
2007-08-18 21:17:10 +00:00
|
|
|
|
w -= singleWidth(pit, i - 1);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
w = max(w, label_end);
|
|
|
|
|
}
|
2007-08-18 21:17:10 +00:00
|
|
|
|
w += pm.singleWidth(i, *fi);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (body_pos > 0 && body_pos >= end) {
|
2007-08-18 13:21:12 +00:00
|
|
|
|
FontMetrics const & fm = theFontMetrics(
|
|
|
|
|
text_->getLabelFont(buffer, par));
|
|
|
|
|
w += fm.width(par.layout()->labelsep);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
if (end > 0 && par.isLineSeparator(end - 1))
|
2007-08-18 21:17:10 +00:00
|
|
|
|
w -= singleWidth(pit, end - 1);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
w = max(w, label_end);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
row.width(w + right_margin);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void TextMetrics::setHeightOfRow(pit_type const pit,
|
|
|
|
|
Row & row)
|
|
|
|
|
{
|
|
|
|
|
Paragraph const & par = text_->getPar(pit);
|
|
|
|
|
// get the maximum ascent and the maximum descent
|
|
|
|
|
double layoutasc = 0;
|
|
|
|
|
double layoutdesc = 0;
|
|
|
|
|
double const dh = defaultRowHeight();
|
|
|
|
|
|
|
|
|
|
// ok, let us initialize the maxasc and maxdesc value.
|
|
|
|
|
// Only the fontsize count. The other properties
|
|
|
|
|
// are taken from the layoutfont. Nicer on the screen :)
|
2007-08-23 19:59:07 +00:00
|
|
|
|
LayoutPtr const & layout = par.layout();
|
2007-01-01 09:36:55 +00:00
|
|
|
|
|
|
|
|
|
// as max get the first character of this row then it can
|
|
|
|
|
// increase but not decrease the height. Just some point to
|
|
|
|
|
// start with so we don't have to do the assignment below too
|
|
|
|
|
// often.
|
2007-08-21 13:03:55 +00:00
|
|
|
|
Buffer const & buffer = bv_->buffer();
|
2007-04-29 18:17:15 +00:00
|
|
|
|
Font font = text_->getFont(buffer, par, row.pos());
|
|
|
|
|
Font::FONT_SIZE const tmpsize = font.size();
|
2007-01-01 09:36:55 +00:00
|
|
|
|
font = text_->getLayoutFont(buffer, pit);
|
2007-04-29 18:17:15 +00:00
|
|
|
|
Font::FONT_SIZE const size = font.size();
|
2007-01-01 09:36:55 +00:00
|
|
|
|
font.setSize(tmpsize);
|
|
|
|
|
|
2007-04-29 18:17:15 +00:00
|
|
|
|
Font labelfont = text_->getLabelFont(buffer, par);
|
2007-01-01 09:36:55 +00:00
|
|
|
|
|
|
|
|
|
FontMetrics const & labelfont_metrics = theFontMetrics(labelfont);
|
|
|
|
|
FontMetrics const & fontmetrics = theFontMetrics(font);
|
|
|
|
|
|
|
|
|
|
// these are minimum values
|
|
|
|
|
double const spacing_val = layout->spacing.getValue()
|
|
|
|
|
* text_->spacing(buffer, par);
|
|
|
|
|
//lyxerr << "spacing_val = " << spacing_val << endl;
|
|
|
|
|
int maxasc = int(fontmetrics.maxAscent() * spacing_val);
|
|
|
|
|
int maxdesc = int(fontmetrics.maxDescent() * spacing_val);
|
|
|
|
|
|
|
|
|
|
// insets may be taller
|
|
|
|
|
InsetList::const_iterator ii = par.insetlist.begin();
|
|
|
|
|
InsetList::const_iterator iend = par.insetlist.end();
|
|
|
|
|
for ( ; ii != iend; ++ii) {
|
|
|
|
|
if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
|
|
|
|
|
maxasc = max(maxasc, ii->inset->ascent());
|
|
|
|
|
maxdesc = max(maxdesc, ii->inset->descent());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Check if any custom fonts are larger (Asger)
|
|
|
|
|
// This is not completely correct, but we can live with the small,
|
|
|
|
|
// cosmetic error for now.
|
|
|
|
|
int labeladdon = 0;
|
|
|
|
|
pos_type const pos_end = row.endpos();
|
|
|
|
|
|
2007-04-29 18:17:15 +00:00
|
|
|
|
Font::FONT_SIZE maxsize =
|
2007-01-01 09:36:55 +00:00
|
|
|
|
par.highestFontInRange(row.pos(), pos_end, size);
|
|
|
|
|
if (maxsize > font.size()) {
|
2007-06-10 14:54:45 +00:00
|
|
|
|
// use standard paragraph font with the maximal size
|
2007-06-10 15:34:00 +00:00
|
|
|
|
Font maxfont = font;
|
|
|
|
|
maxfont.setSize(maxsize);
|
|
|
|
|
FontMetrics const & maxfontmetrics = theFontMetrics(maxfont);
|
2007-06-10 14:54:45 +00:00
|
|
|
|
maxasc = max(maxasc, maxfontmetrics.maxAscent());
|
|
|
|
|
maxdesc = max(maxdesc, maxfontmetrics.maxDescent());
|
2007-01-01 09:36:55 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// This is nicer with box insets:
|
|
|
|
|
++maxasc;
|
|
|
|
|
++maxdesc;
|
|
|
|
|
|
|
|
|
|
row.ascent(maxasc);
|
|
|
|
|
ParagraphList const & pars = text_->paragraphs();
|
|
|
|
|
|
|
|
|
|
// is it a top line?
|
|
|
|
|
if (row.pos() == 0) {
|
|
|
|
|
BufferParams const & bufparams = buffer.params();
|
2007-05-05 12:06:37 +00:00
|
|
|
|
// some parskips VERY EASY IMPLEMENTATION
|
2007-01-01 09:36:55 +00:00
|
|
|
|
if (bufparams.paragraph_separation
|
|
|
|
|
== BufferParams::PARSEP_SKIP
|
2007-05-05 12:06:37 +00:00
|
|
|
|
&& par.ownerCode() != Inset::ERT_CODE
|
2007-05-18 09:21:07 +00:00
|
|
|
|
&& par.ownerCode() != Inset::LISTINGS_CODE
|
2007-01-01 09:36:55 +00:00
|
|
|
|
&& pit > 0
|
|
|
|
|
&& ((layout->isParagraph() && par.getDepth() == 0)
|
|
|
|
|
|| (pars[pit - 1].layout()->isParagraph()
|
|
|
|
|
&& pars[pit - 1].getDepth() == 0)))
|
|
|
|
|
{
|
|
|
|
|
maxasc += bufparams.getDefSkip().inPixels(*bv_);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (par.params().startOfAppendix())
|
|
|
|
|
maxasc += int(3 * dh);
|
|
|
|
|
|
|
|
|
|
// This is special code for the chapter, since the label of this
|
|
|
|
|
// layout is printed in an extra row
|
|
|
|
|
if (layout->counter == "chapter"
|
|
|
|
|
&& !par.params().labelString().empty()) {
|
|
|
|
|
labeladdon = int(labelfont_metrics.maxHeight()
|
|
|
|
|
* layout->spacing.getValue()
|
|
|
|
|
* text_->spacing(buffer, par));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// special code for the top label
|
|
|
|
|
if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
|
|
|
|
|
|| layout->labeltype == LABEL_BIBLIO
|
|
|
|
|
|| layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
|
|
|
|
|
&& isFirstInSequence(pit, pars)
|
|
|
|
|
&& !par.getLabelstring().empty())
|
|
|
|
|
{
|
|
|
|
|
labeladdon = int(
|
|
|
|
|
labelfont_metrics.maxHeight()
|
|
|
|
|
* layout->spacing.getValue()
|
|
|
|
|
* text_->spacing(buffer, par)
|
|
|
|
|
+ (layout->topsep + layout->labelbottomsep) * dh);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Add the layout spaces, for example before and after
|
|
|
|
|
// a section, or between the items of a itemize or enumerate
|
|
|
|
|
// environment.
|
|
|
|
|
|
|
|
|
|
pit_type prev = depthHook(pit, pars, par.getDepth());
|
2007-02-24 23:58:16 +00:00
|
|
|
|
Paragraph const & prevpar = pars[prev];
|
|
|
|
|
if (prev != pit
|
|
|
|
|
&& prevpar.layout() == layout
|
|
|
|
|
&& prevpar.getDepth() == par.getDepth()
|
|
|
|
|
&& prevpar.getLabelWidthString()
|
2007-01-11 22:38:00 +00:00
|
|
|
|
== par.getLabelWidthString()) {
|
2007-02-24 23:58:16 +00:00
|
|
|
|
layoutasc = layout->itemsep * dh;
|
2007-01-01 09:36:55 +00:00
|
|
|
|
} else if (pit != 0 || row.pos() != 0) {
|
|
|
|
|
if (layout->topsep > 0)
|
|
|
|
|
layoutasc = layout->topsep * dh;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
prev = outerHook(pit, pars);
|
|
|
|
|
if (prev != pit_type(pars.size())) {
|
|
|
|
|
maxasc += int(pars[prev].layout()->parsep * dh);
|
|
|
|
|
} else if (pit != 0) {
|
2007-01-11 22:38:00 +00:00
|
|
|
|
Paragraph const & prevpar = pars[pit - 1];
|
|
|
|
|
if (prevpar.getDepth() != 0 ||
|
|
|
|
|
prevpar.layout() == layout) {
|
2007-01-01 09:36:55 +00:00
|
|
|
|
maxasc += int(layout->parsep * dh);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// is it a bottom line?
|
|
|
|
|
if (row.endpos() >= par.size()) {
|
|
|
|
|
// add the layout spaces, for example before and after
|
|
|
|
|
// a section, or between the items of a itemize or enumerate
|
|
|
|
|
// environment
|
|
|
|
|
pit_type nextpit = pit + 1;
|
|
|
|
|
if (nextpit != pit_type(pars.size())) {
|
|
|
|
|
pit_type cpit = pit;
|
|
|
|
|
double usual = 0;
|
|
|
|
|
double unusual = 0;
|
|
|
|
|
|
|
|
|
|
if (pars[cpit].getDepth() > pars[nextpit].getDepth()) {
|
|
|
|
|
usual = pars[cpit].layout()->bottomsep * dh;
|
|
|
|
|
cpit = depthHook(cpit, pars, pars[nextpit].getDepth());
|
|
|
|
|
if (pars[cpit].layout() != pars[nextpit].layout()
|
|
|
|
|
|| pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
|
|
|
|
|
{
|
|
|
|
|
unusual = pars[cpit].layout()->bottomsep * dh;
|
|
|
|
|
}
|
|
|
|
|
layoutdesc = max(unusual, usual);
|
|
|
|
|
} else if (pars[cpit].getDepth() == pars[nextpit].getDepth()) {
|
|
|
|
|
if (pars[cpit].layout() != pars[nextpit].layout()
|
|
|
|
|
|| pars[nextpit].getLabelWidthString() != pars[cpit].getLabelWidthString())
|
|
|
|
|
layoutdesc = int(pars[cpit].layout()->bottomsep * dh);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// incalculate the layout spaces
|
|
|
|
|
maxasc += int(layoutasc * 2 / (2 + pars[pit].getDepth()));
|
|
|
|
|
maxdesc += int(layoutdesc * 2 / (2 + pars[pit].getDepth()));
|
|
|
|
|
|
2007-05-28 22:27:45 +00:00
|
|
|
|
// FIXME: the correct way is to do the following is to move the
|
|
|
|
|
// following code in another method specially tailored for the
|
2007-04-29 23:33:02 +00:00
|
|
|
|
// main Text. The following test is thus bogus.
|
2007-01-01 09:36:55 +00:00
|
|
|
|
// Top and bottom margin of the document (only at top-level)
|
|
|
|
|
if (main_text_) {
|
|
|
|
|
if (pit == 0 && row.pos() == 0)
|
|
|
|
|
maxasc += 20;
|
|
|
|
|
if (pit + 1 == pit_type(pars.size()) &&
|
2007-05-30 06:44:18 +00:00
|
|
|
|
row.endpos() == par.size() &&
|
|
|
|
|
!(row.endpos() > 0 && par.isNewline(row.endpos() - 1)))
|
2007-01-01 09:36:55 +00:00
|
|
|
|
maxdesc += 20;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
row.ascent(maxasc + labeladdon);
|
|
|
|
|
row.descent(maxdesc);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-01-01 10:33:37 +00:00
|
|
|
|
// x is an absolute screen coord
|
|
|
|
|
// returns the column near the specified x-coordinate of the row
|
|
|
|
|
// x is set to the real beginning of this column
|
|
|
|
|
pos_type TextMetrics::getColumnNearX(pit_type const pit,
|
|
|
|
|
Row const & row, int & x, bool & boundary) const
|
|
|
|
|
{
|
2007-08-21 13:03:55 +00:00
|
|
|
|
Buffer const & buffer = bv_->buffer();
|
2007-01-01 10:33:37 +00:00
|
|
|
|
|
2007-04-29 23:33:02 +00:00
|
|
|
|
/// For the main Text, it is possible that this pit is not
|
2007-01-01 10:33:37 +00:00
|
|
|
|
/// yet in the CoordCache when moving cursor up.
|
|
|
|
|
/// x Paragraph coordinate is always 0 for main text anyway.
|
|
|
|
|
int const xo = main_text_? 0 : bv_->coordCache().get(text_, pit).x_;
|
|
|
|
|
x -= xo;
|
|
|
|
|
RowMetrics const r = computeRowMetrics(pit, row);
|
|
|
|
|
Paragraph const & par = text_->getPar(pit);
|
2007-06-07 20:39:14 +00:00
|
|
|
|
Bidi bidi;
|
|
|
|
|
bidi.computeTables(par, buffer, row);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
|
|
|
|
|
pos_type vc = row.pos();
|
|
|
|
|
pos_type end = row.endpos();
|
|
|
|
|
pos_type c = 0;
|
2007-08-23 19:59:07 +00:00
|
|
|
|
LayoutPtr const & layout = par.layout();
|
2007-01-01 10:33:37 +00:00
|
|
|
|
|
|
|
|
|
bool left_side = false;
|
|
|
|
|
|
|
|
|
|
pos_type body_pos = par.beginOfBody();
|
|
|
|
|
|
|
|
|
|
double tmpx = r.x;
|
|
|
|
|
double last_tmpx = tmpx;
|
|
|
|
|
|
|
|
|
|
if (body_pos > 0 &&
|
|
|
|
|
(body_pos > end || !par.isLineSeparator(body_pos - 1)))
|
|
|
|
|
body_pos = 0;
|
|
|
|
|
|
|
|
|
|
// check for empty row
|
|
|
|
|
if (vc == end) {
|
|
|
|
|
x = int(tmpx) + xo;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
while (vc < end && tmpx <= x) {
|
2007-06-07 20:39:14 +00:00
|
|
|
|
c = bidi.vis2log(vc);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
last_tmpx = tmpx;
|
|
|
|
|
if (body_pos > 0 && c == body_pos - 1) {
|
2007-08-18 13:21:12 +00:00
|
|
|
|
FontMetrics const & fm = theFontMetrics(
|
|
|
|
|
text_->getLabelFont(buffer, par));
|
|
|
|
|
tmpx += r.label_hfill + fm.width(layout->labelsep);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
if (par.isLineSeparator(body_pos - 1))
|
2007-08-18 21:17:10 +00:00
|
|
|
|
tmpx -= singleWidth(pit, body_pos - 1);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (par.hfillExpansion(row, c)) {
|
2007-08-18 21:17:10 +00:00
|
|
|
|
tmpx += singleWidth(pit, c);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
if (c >= body_pos)
|
|
|
|
|
tmpx += r.hfill;
|
|
|
|
|
else
|
|
|
|
|
tmpx += r.label_hfill;
|
|
|
|
|
} else if (par.isSeparator(c)) {
|
2007-08-18 21:17:10 +00:00
|
|
|
|
tmpx += singleWidth(pit, c);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
if (c >= body_pos)
|
|
|
|
|
tmpx += r.separator;
|
|
|
|
|
} else {
|
2007-08-18 21:17:10 +00:00
|
|
|
|
tmpx += singleWidth(pit, c);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
}
|
|
|
|
|
++vc;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((tmpx + last_tmpx) / 2 > x) {
|
|
|
|
|
tmpx = last_tmpx;
|
|
|
|
|
left_side = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
BOOST_ASSERT(vc <= end); // This shouldn't happen.
|
|
|
|
|
|
|
|
|
|
boundary = false;
|
|
|
|
|
// This (rtl_support test) is not needed, but gives
|
|
|
|
|
// some speedup if rtl_support == false
|
|
|
|
|
bool const lastrow = lyxrc.rtl_support && row.endpos() == par.size();
|
|
|
|
|
|
|
|
|
|
// If lastrow is false, we don't need to compute
|
|
|
|
|
// the value of rtl.
|
|
|
|
|
bool const rtl = lastrow ? text_->isRTL(buffer, par) : false;
|
|
|
|
|
if (lastrow &&
|
|
|
|
|
((rtl && left_side && vc == row.pos() && x < tmpx - 5) ||
|
|
|
|
|
(!rtl && !left_side && vc == end && x > tmpx + 5)))
|
|
|
|
|
c = end;
|
|
|
|
|
else if (vc == row.pos()) {
|
2007-06-07 20:39:14 +00:00
|
|
|
|
c = bidi.vis2log(vc);
|
|
|
|
|
if (bidi.level(c) % 2 == 1)
|
2007-01-01 10:33:37 +00:00
|
|
|
|
++c;
|
|
|
|
|
} else {
|
2007-06-07 20:39:14 +00:00
|
|
|
|
c = bidi.vis2log(vc - 1);
|
|
|
|
|
bool const rtl = (bidi.level(c) % 2 == 1);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
if (left_side == rtl) {
|
|
|
|
|
++c;
|
2007-06-07 19:50:02 +00:00
|
|
|
|
boundary = text_->isRTLBoundary(buffer, par, c);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// I believe this code is not needed anymore (Jug 20050717)
|
|
|
|
|
#if 0
|
|
|
|
|
// The following code is necessary because the cursor position past
|
|
|
|
|
// the last char in a row is logically equivalent to that before
|
|
|
|
|
// the first char in the next row. That's why insets causing row
|
|
|
|
|
// divisions -- Newline and display-style insets -- must be treated
|
|
|
|
|
// specially, so cursor up/down doesn't get stuck in an air gap -- MV
|
|
|
|
|
// Newline inset, air gap below:
|
|
|
|
|
if (row.pos() < end && c >= end && par.isNewline(end - 1)) {
|
2007-06-07 20:39:14 +00:00
|
|
|
|
if (bidi.level(end -1) % 2 == 0)
|
2007-08-18 21:17:10 +00:00
|
|
|
|
tmpx -= singleWidth(pit, end - 1);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
else
|
2007-08-18 21:17:10 +00:00
|
|
|
|
tmpx += singleWidth(pit, end - 1);
|
2007-01-01 10:33:37 +00:00
|
|
|
|
c = end - 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Air gap above display inset:
|
|
|
|
|
if (row.pos() < end && c >= end && end < par.size()
|
|
|
|
|
&& par.isInset(end) && par.getInset(end)->display()) {
|
|
|
|
|
c = end - 1;
|
|
|
|
|
}
|
|
|
|
|
// Air gap below display inset:
|
|
|
|
|
if (row.pos() < end && c >= end && par.isInset(end - 1)
|
|
|
|
|
&& par.getInset(end - 1)->display()) {
|
|
|
|
|
c = end - 1;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
x = int(tmpx) + xo;
|
|
|
|
|
pos_type const col = c - row.pos();
|
|
|
|
|
|
|
|
|
|
if (!c || end == par.size())
|
|
|
|
|
return col;
|
|
|
|
|
|
|
|
|
|
if (c==end && !par.isLineSeparator(c-1) && !par.isNewline(c-1)) {
|
|
|
|
|
boundary = true;
|
|
|
|
|
return col;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return min(col, end - 1 - row.pos());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-01-01 11:36:30 +00:00
|
|
|
|
pos_type TextMetrics::x2pos(pit_type pit, int row, int x) const
|
|
|
|
|
{
|
2007-08-18 21:10:45 +00:00
|
|
|
|
ParagraphMetrics const & pm = par_metrics_[pit];
|
2007-01-01 11:36:30 +00:00
|
|
|
|
BOOST_ASSERT(!pm.rows().empty());
|
|
|
|
|
BOOST_ASSERT(row < int(pm.rows().size()));
|
|
|
|
|
bool bound = false;
|
|
|
|
|
Row const & r = pm.rows()[row];
|
|
|
|
|
return r.pos() + getColumnNearX(pit, r, x, bound);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-08-18 21:17:10 +00:00
|
|
|
|
int TextMetrics::singleWidth(pit_type pit, pos_type pos) const
|
|
|
|
|
{
|
2007-08-21 13:03:55 +00:00
|
|
|
|
Buffer const & buffer = bv_->buffer();
|
2007-08-18 21:17:10 +00:00
|
|
|
|
ParagraphMetrics const & pm = par_metrics_[pit];
|
|
|
|
|
|
|
|
|
|
return pm.singleWidth(pos, text_->getFont(buffer, text_->getPar(pit), pos));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-04-29 23:33:02 +00:00
|
|
|
|
//int Text::pos2x(pit_type pit, pos_type pos) const
|
2007-01-01 11:36:30 +00:00
|
|
|
|
//{
|
2007-08-18 21:10:45 +00:00
|
|
|
|
// ParagraphMetrics const & pm = par_metrics_[pit];
|
2007-01-01 11:36:30 +00:00
|
|
|
|
// Row const & r = pm.rows()[row];
|
|
|
|
|
// int x = 0;
|
|
|
|
|
// pos -= r.pos();
|
|
|
|
|
//}
|
|
|
|
|
|
|
|
|
|
|
2006-12-29 23:54:48 +00:00
|
|
|
|
int defaultRowHeight()
|
|
|
|
|
{
|
2007-04-29 18:17:15 +00:00
|
|
|
|
return int(theFontMetrics(Font(Font::ALL_SANE)).maxHeight() * 1.2);
|
2006-12-29 23:54:48 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
} // namespace lyx
|