#include "support/convert.h"
#include "support/debug.h"
#include "support/lassert.h"
+#include "support/lyxlib.h"
#include <stdlib.h>
#include <cmath>
namespace {
+// the somewhat arbitrary leading added between rows. This is 20% of
+// the characters height, inluding the possible leading of the font.
+// 20% is a standard value used by LaTeX and word processors.
+double const extra_leading = 0.2;
int numberOfLabelHfills(Paragraph const & par, Row const & row)
{
}
-ParagraphMetrics const & TextMetrics::parMetrics(pit_type pit) const
-{
- return const_cast<TextMetrics *>(this)->parMetrics(pit, true);
-}
-
-
-
pair<pit_type, ParagraphMetrics const *> TextMetrics::first() const
{
ParMetricsCache::const_iterator it = par_metrics_.begin();
}
+bool TextMetrics::isLastRow(Row const & row) const
+{
+ ParagraphList const & pars = text_->paragraphs();
+ return row.endpos() >= pars[row.pit()].size()
+ && row.pit() + 1 == pit_type(pars.size());
+}
+
+
+bool TextMetrics::isFirstRow(Row const & row) const
+{
+ return row.pos() == 0 && row.pit() == 0;
+}
+
+
+void TextMetrics::setRowChanged(pit_type pit, pos_type pos)
+{
+ for (auto & pm_pair : par_metrics_)
+ if (pm_pair.first == pit)
+ for (Row & row : pm_pair.second.rows())
+ if (row.pos() == pos)
+ row.changed(true);
+}
+
+
ParagraphMetrics & TextMetrics::parMetrics(pit_type pit, bool redo)
{
ParMetricsCache::iterator pmc_it = par_metrics_.find(pit);
}
+ParagraphMetrics const & TextMetrics::parMetrics(pit_type pit) const
+{
+ return const_cast<TextMetrics *>(this)->parMetrics(pit, true);
+}
+
+
+void TextMetrics::newParMetricsDown()
+{
+ pair<pit_type, ParagraphMetrics> const & last = *par_metrics_.rbegin();
+ pit_type const pit = last.first + 1;
+ if (pit == int(text_->paragraphs().size()))
+ return;
+
+ // do it and update its position.
+ redoParagraph(pit);
+ par_metrics_[pit].setPosition(last.second.position()
+ + last.second.descent() + par_metrics_[pit].ascent());
+ updatePosCache(pit);
+}
+
+
+void TextMetrics::newParMetricsUp()
+{
+ pair<pit_type, ParagraphMetrics> const & first = *par_metrics_.begin();
+ if (first.first == 0)
+ return;
+
+ pit_type const pit = first.first - 1;
+ // do it and update its position.
+ redoParagraph(pit);
+ par_metrics_[pit].setPosition(first.second.position()
+ - first.second.ascent() - par_metrics_[pit].descent());
+ updatePosCache(pit);
+}
+
+
bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim, int min_width,
bool const expand_on_multipars)
{
// FIXME: This check ought to be done somewhere else. It is the reason
// why text_ is not const. But then, where else to do it?
// Well, how can you end up with either (a) a biblio environment that
- // has no InsetBibitem or (b) a biblio environment with more than one
- // InsetBibitem? I think the answer is: when paragraphs are merged;
+ // has no InsetBibitem, (b) a biblio environment with more than one
+ // InsetBibitem or (c) a paragraph that has a bib item but is no biblio
+ // environment? I think the answer is: when paragraphs are merged;
// when layout is set; when material is pasted.
if (par.brokenBiblio()) {
Cursor & cur = const_cast<Cursor &>(bv_->cursor());
// original value was 20px, which is 0.2in at 100dpi
int const margin = bv_->zoomedPixels(20);
if (pit == 0) {
- pm.rows().front().dimension().asc += margin;
+ pm.rows().front().dim().asc += margin;
/* coverity thinks that we should update pm.dim().asc
* below, but all the rows heights are actually counted as
* part of the paragraph metric descent see loop above).
}
ParagraphList const & pars = text_->paragraphs();
if (pit + 1 == pit_type(pars.size())) {
- pm.rows().back().dimension().des += margin;
+ pm.rows().back().dim().des += margin;
pm.dim().des += margin;
}
}
// The space above and below the paragraph.
int const top = parTopSpacing(pit);
- pm.rows().front().dimension().asc += top;
+ pm.rows().front().dim().asc += top;
int const bottom = parBottomSpacing(pit);
- pm.rows().back().dimension().des += bottom;
+ pm.rows().back().dim().des += bottom;
pm.dim().des += top + bottom;
pm.dim().asc += pm.rows()[0].ascent();
if (!row.setExtraWidth(w) && row.isRTL()) {
// Justification failed and the text is RTL: align to the right
row.left_margin += w;
- row.dimension().wid += w;
+ row.dim().wid += w;
}
break;
case LYX_ALIGN_LEFT:
// a displayed inset that is flushed
if (Inset const * inset = par.getInset(row.pos())) {
row.left_margin += inset->indent(*bv_);
- row.dimension().wid += inset->indent(*bv_);
+ row.dim().wid += inset->indent(*bv_);
}
break;
case LYX_ALIGN_RIGHT:
if (Inset const * inset = par.getInset(row.pos())) {
int const new_w = max(w - inset->indent(*bv_), 0);
row.left_margin += new_w;
- row.dimension().wid += new_w;
+ row.dim().wid += new_w;
} else {
row.left_margin += w;
- row.dimension().wid += w;
+ row.dim().wid += w;
}
break;
case LYX_ALIGN_CENTER:
- row.dimension().wid += w / 2;
+ row.dim().wid += w / 2;
row.left_margin += w / 2;
break;
case LYX_ALIGN_NONE:
// Case nh > 0. There are hfill separators.
hfill = w / nh;
hfill_rem = w % nh;
- row.dimension().wid += w;
+ row.dim().wid += w;
// Set size of hfill insets
pos_type const endpos = row.endpos();
pos_type body_pos = par.beginOfBody();
pos_type const end = par.size();
pos_type const pos = row.pos();
pos_type const body_pos = par.beginOfBody();
- bool const is_rtl = text_->isRTL(par);
+ bool const is_rtl = text_->isRTL(row.pit());
bool need_new_row = false;
row.clear();
swap(row.left_margin, row.right_margin);
// Remember that the row width takes into account the left_margin
// but not the right_margin.
- row.dimension().wid = row.left_margin;
+ row.dim().wid = row.left_margin;
// the width available for the row.
int const width = max_width_ - row.right_margin;
Inset const * inset = 0;
if (par.isNewline(i) || par.isEnvSeparator(i)
|| (i + 1 < end && (inset = par.getInset(i + 1))
- && inset->display())
+ && inset->display())
|| (!row.empty() && row.back().inset
- && row.back().inset->display())) {
+ && row.back().inset->display())) {
row.flushed(true);
- need_new_row = par.isNewline(i);
+ // We will force a row creation after either
+ // - a newline;
+ // - a display inset followed by a end label.
+ need_new_row =
+ par.isNewline(i)
+ || (inset && inset->display() && i + 1 == end
+ && text_->getEndLabel(row.pit()) != END_LABEL_NO_LABEL);
++i;
break;
}
// End of paragraph marker. The logic here is almost the
// same as in redoParagraph, remember keep them in sync.
ParagraphList const & pars = text_->paragraphs();
- if (lyxrc.paragraph_markers && !need_new_row
+ Change const & change = par.lookupChange(i);
+ if ((lyxrc.paragraph_markers || change.changed())
+ && !need_new_row
&& i == end && size_type(row.pit() + 1) < pars.size()) {
// add a virtual element for the end-of-paragraph
// marker; it is shown on screen, but does not exist
= text_->inset().buffer().params();
f.setLanguage(par.getParLanguage(bparams));
// ΒΆ U+00B6 PILCROW SIGN
- row.addVirtual(end, docstring(1, char_type(0x00B6)), f, Change());
+ row.addVirtual(end, docstring(1, char_type(0x00B6)), f, change);
}
// Is there a end-of-paragaph change?
// Initial value for ascent (useful if row is empty).
Font const font = displayFont(row.pit(), row.pos());
FontMetrics const & fm = theFontMetrics(font);
- int maxasc = int(fm.maxAscent() * spacing_val);
- int maxdes = int(fm.maxDescent() * spacing_val);
+ int maxasc = fm.maxAscent() + fm.leading();
+ int maxdes = fm.maxDescent();
// Find the ascent/descent of the row contents
for (Row::Element const & e : row) {
- if (e.inset) {
- maxasc = max(maxasc, e.dim.ascent());
- maxdes = max(maxdes, e.dim.descent());
- } else {
- FontMetrics const & fm2 = theFontMetrics(e.font);
- maxasc = max(maxasc, int(fm2.maxAscent() * spacing_val));
- maxdes = max(maxdes, int(fm2.maxDescent() * spacing_val));
- }
+ maxasc = max(maxasc, e.dim.ascent());
+ maxdes = max(maxdes, e.dim.descent());
}
- // This is nicer with box insets
- ++maxasc;
- ++maxdes;
-
- row.dimension().asc = maxasc;
- row.dimension().des = maxdes;
+ // Add some leading (split between before and after)
+ int const leading = support::iround(extra_leading * (maxasc + maxdes));
+ row.dim().asc = int((maxasc + leading - leading / 2) * spacing_val);
+ row.dim().des = int((maxdes + leading / 2) * spacing_val);
}
}
-void TextMetrics::newParMetricsDown()
-{
- pair<pit_type, ParagraphMetrics> const & last = *par_metrics_.rbegin();
- pit_type const pit = last.first + 1;
- if (pit == int(text_->paragraphs().size()))
- return;
-
- // do it and update its position.
- redoParagraph(pit);
- par_metrics_[pit].setPosition(last.second.position()
- + last.second.descent() + par_metrics_[pit].ascent());
- updatePosCache(pit);
-}
-
-
-void TextMetrics::newParMetricsUp()
-{
- pair<pit_type, ParagraphMetrics> const & first = *par_metrics_.begin();
- if (first.first == 0)
- return;
-
- pit_type const pit = first.first - 1;
- // do it and update its position.
- redoParagraph(pit);
- par_metrics_[pit].setPosition(first.second.position()
- - first.second.ascent() - par_metrics_[pit].descent());
- updatePosCache(pit);
-}
-
// y is screen coordinate
pit_type TextMetrics::getPitNearY(int y)
{
}
-bool TextMetrics::isLastRow(Row const & row) const
-{
- ParagraphList const & pars = text_->paragraphs();
- return row.endpos() >= pars[row.pit()].size()
- && row.pit() + 1 == pit_type(pars.size());
-}
-
-
-bool TextMetrics::isFirstRow(Row const & row) const
-{
- return row.pos() == 0 && row.pit() == 0;
-}
-
-
int TextMetrics::leftMargin(pit_type pit) const
{
return leftMargin(pit, text_->paragraphs()[pit].size());
row.change(row.end_margin_sel, sel_end.pit() > pit);
}
- // has row changed since last paint?
- bool row_has_changed = row.changed()
- || bv_->hadHorizScrollOffset(text_, pit, row.pos());
-
// Take this opportunity to spellcheck the row contents.
- if (row_has_changed && pi.do_spellcheck && lyxrc.spellcheck_continuously) {
+ if (row.changed() && pi.do_spellcheck && lyxrc.spellcheck_continuously) {
text_->getPar(pit).spellCheck();
}
// Don't paint the row if a full repaint has not been requested
// and if it has not changed.
- if (!pi.full_repaint && !row_has_changed) {
+ if (!pi.full_repaint && !row.changed()) {
// Paint only the insets if the text itself is
// unchanged.
rp.paintOnlyInsets();
// Clear background of this row if paragraph background was not
// already cleared because of a full repaint.
- if (!pi.full_repaint && row_has_changed) {
+ if (!pi.full_repaint && row.changed()) {
LYXERR(Debug::PAINTING, "Clear rect@("
<< max(row_x, 0) << ", " << y - row.ascent() << ")="
<< width() << " x " << row.height());
// Instrumentation for testing row cache (see also
// 12 lines lower):
if (lyxerr.debugging(Debug::PAINTING)
- && (row.selection() || pi.full_repaint || row_has_changed)) {
+ && (row.selection() || pi.full_repaint || row.changed())) {
string const foreword = text_->isMainText() ? "main text redraw "
: "inset text redraw: ";
LYXERR0(foreword << "pit=" << pit << " row=" << i
<< (row.selection() ? " row_selection": "")
<< (pi.full_repaint ? " full_repaint" : "")
- << (row_has_changed ? " row_has_changed" : ""));
+ << (row.changed() ? " row.changed" : ""));
}
// Backup full_repaint status and force full repaint
rp.paintDepthBar();
if (row.needsChangeBar())
rp.paintChangeBar();
- if (i == 0 && !row.isRTL())
+ if (i == 0)
rp.paintFirst();
- if (i == nrows - 1 && row.isRTL())
+ if (i == nrows - 1)
rp.paintLast();
rp.paintText();
- if (i == nrows - 1 && !row.isRTL())
- rp.paintLast();
- if (i == 0 && row.isRTL())
- rp.paintFirst();
rp.paintTooLargeMarks(row_x + row.left_x() < 0,
row_x + row.right_x() > bv_->workWidth());
y += row.descent();
row.pos(wordStart.pos());
row.endpos(bvcur.pos());
setRowHeight(row);
- dim = row.dimension();
+ dim = row.dim();
// get position on screen of the word start and end
//FIXME: Is it necessary to explicitly set this to false?
int defaultRowHeight()
{
- return int(theFontMetrics(sane_font).maxHeight() * 1.2);
+ FontMetrics const & fm = theFontMetrics(sane_font);
+ return support::iround(fm.maxHeight() * (1 + extra_leading) + fm.leading());
}
} // namespace lyx
projects / lyx.git / blobdiff