#include "TextMetrics.h"
#include "Buffer.h"
-#include "buffer_funcs.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "CoordCache.h"
#include "Cursor.h"
#include "CutAndPaste.h"
-#include "InsetList.h"
-#include "Language.h"
#include "Layout.h"
#include "LyXRC.h"
#include "MetricsInfo.h"
#include "ParagraphParameters.h"
#include "RowPainter.h"
+#include "Session.h"
#include "Text.h"
#include "TextClass.h"
#include "VSpace.h"
#include "insets/InsetText.h"
-#include "mathed/InsetMathMacroTemplate.h"
+#include "mathed/MacroTable.h"
#include "frontends/FontMetrics.h"
-#include "frontends/Painter.h"
+#include "frontends/NullPainter.h"
#include "support/debug.h"
#include "support/lassert.h"
+#include "support/Changer.h"
#include <stdlib.h>
#include <cmath>
}
-}
+} // namespace
/////////////////////////////////////////////////////////////////////
//
TextMetrics::TextMetrics(BufferView * bv, Text * text)
- : bv_(bv), text_(text)
-{
- LBUFERR(bv_);
- max_width_ = bv_->workWidth();
- dim_.wid = max_width_;
- dim_.asc = 10;
- dim_.des = 10;
-}
+ : bv_(bv), text_(text), dim_(bv_->workWidth(), 10, 10),
+ max_width_(dim_.wid), tight_(false)
+{}
bool TextMetrics::contains(pit_type pit) const
}
-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);
}
-bool TextMetrics::metrics(MetricsInfo & mi, Dimension & dim, int min_width)
+ParagraphMetrics const & TextMetrics::parMetrics(pit_type pit) const
+{
+ return const_cast<TextMetrics *>(this)->parMetrics(pit, true);
+}
+
+
+ParagraphMetrics & TextMetrics::parMetrics(pit_type pit)
+{
+ return 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 const & mi, Dimension & dim, int min_width)
{
LBUFERR(mi.base.textwidth > 0);
max_width_ = mi.base.textwidth;
+ tight_ = mi.tight_insets;
// backup old dimension.
Dimension const old_dim = dim_;
// reset dimension.
dim_ = Dimension();
dim_.wid = min_width;
pit_type const npar = text_->paragraphs().size();
- if (npar > 1)
+ if (npar > 1 && !tight_)
// If there is more than one row, expand the text to
// the full allowable width.
dim_.wid = max_width_;
// << " maxWidth: " << max_width_ << "\nfont: " << mi.base.font << endl;
bool changed = false;
- unsigned int h = 0;
+ int h = 0;
for (pit_type pit = 0; pit != npar; ++pit) {
- changed |= redoParagraph(pit);
+ // create rows, but do not set alignment yet
+ changed |= redoParagraph(pit, false);
ParagraphMetrics const & pm = par_metrics_[pit];
h += pm.height();
if (dim_.wid < pm.width())
dim_.wid = pm.width();
}
+ // Now set alignment for all rows (the width might not have been known before).
+ for (pit_type pit = 0; pit != npar; ++pit) {
+ ParagraphMetrics & pm = par_metrics_[pit];
+ for (Row & row : pm.rows())
+ setRowAlignment(row, dim_.wid);
+ }
+
dim_.asc = par_metrics_[0].ascent();
dim_.des = h - dim_.asc;
//lyxerr << "dim_.wid " << dim_.wid << endl;
}
+void TextMetrics::updatePosCache(pit_type pit) const
+{
+ frontend::NullPainter np;
+ PainterInfo pi(bv_, np);
+ drawParagraph(pi, pit, origin_.x_, par_metrics_[pit].position());
+}
+
+
int TextMetrics::rightMargin(ParagraphMetrics const & pm) const
{
return text_->isMainText() ? pm.rightMargin(*bv_) : 0;
|| !contains(pit))
return false;
- ParagraphMetrics & pm = par_metrics_[pit];
+ ParagraphMetrics const & pm = par_metrics_[pit];
// no RTL boundary in empty paragraph
if (pm.rows().empty())
return false;
- pos_type endpos = pm.getRow(pos - 1, false).endpos();
- pos_type startpos = pm.getRow(pos, false).pos();
+ pos_type const endpos = pm.getRow(pos - 1, false).endpos();
+ pos_type const startpos = pm.getRow(pos, false).pos();
// no RTL boundary at line start:
// abc\n -> toggle to RTL -> abc\n (and not: abc\n|
// | | )
|| par.isSeparator(pos - 1)))
return false;
- bool left = font.isVisibleRightToLeft();
+ bool const left = font.isVisibleRightToLeft();
bool right;
if (pos == par.size())
right = par.isRTL(bv_->buffer().params());
}
-bool TextMetrics::redoParagraph(pit_type const pit)
+bool TextMetrics::redoParagraph(pit_type const pit, bool const align_rows)
{
Paragraph & par = text_->getPar(pit);
// IMPORTANT NOTE: We pass 'false' explicitly in order to not call
// 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());
+ Cursor & cur = bv_->cursor();
// In some cases, we do not know how to record undo
if (&cur.inset() == &text_->inset())
cur.recordUndo(pit, pit);
par.setBeginOfBody();
Font const bufferfont = buffer.params().getFont();
CoordCache::Insets & insetCache = bv_->coordCache().insets();
- InsetList::const_iterator ii = par.insetList().begin();
- InsetList::const_iterator iend = par.insetList().end();
- for (; ii != iend; ++ii) {
+ for (auto const & e : par.insetList()) {
// FIXME Doesn't this HAVE to be non-empty?
// position already initialized?
if (!parPos.empty()) {
- parPos.pos() = ii->pos;
+ parPos.pos() = e.pos;
// A macro template would normally not be visible
// by itself. But the tex macro semantics allow
// recursion, so we artifically take the context
// after the macro template to simulate this.
- if (ii->inset->lyxCode() == MATHMACRO_CODE)
+ if (e.inset->lyxCode() == MATHMACRO_CODE)
parPos.pos()++;
}
// substracted to the available width. The logic here is
// almost the same as in breakRow, remember keep them in sync.
int eop = 0;
- if (lyxrc.paragraph_markers && ii->pos + 1 == par.size()
- && size_type(pit + 1) < text_->paragraphs().size()) {
+ if (e.pos + 1 == par.size()
+ && (lyxrc.paragraph_markers || par.lookupChange(par.size()).changed())
+ && size_type(pit + 1) < text_->paragraphs().size()) {
Font f(text_->layoutFont(pit));
// ΒΆ U+00B6 PILCROW SIGN
eop = theFontMetrics(f).width(char_type(0x00B6));
// do the metric calculation
Dimension dim;
- int const w = max_width_ - leftMargin(max_width_, pit, ii->pos)
+ int const w = max_width_ - leftMargin(pit, e.pos)
- right_margin - eop;
- Font const & font = ii->inset->inheritFont() ?
- displayFont(pit, ii->pos) : bufferfont;
+ Font const & font = e.inset->inheritFont() ?
+ displayFont(pit, e.pos) : bufferfont;
MacroContext mc(&buffer, parPos);
- MetricsInfo mi(bv_, font.fontInfo(), w, mc);
- ii->inset->metrics(mi, dim);
- if (!insetCache.has(ii->inset) || insetCache.dim(ii->inset) != dim) {
- insetCache.add(ii->inset, dim);
+ MetricsInfo mi(bv_, font.fontInfo(), w, mc, e.pos == 0, tight_);
+ e.inset->metrics(mi, dim);
+ if (!insetCache.has(e.inset) || insetCache.dim(e.inset) != dim) {
+ insetCache.add(e.inset, dim);
changed = true;
}
}
do {
if (row_index == pm.rows().size())
pm.rows().push_back(Row());
+ else
+ pm.rows()[row_index] = Row();
Row & row = pm.rows()[row_index];
row.pit(pit);
row.pos(first);
- row.pit(pit);
need_new_row = breakRow(row, right_margin);
setRowHeight(row);
- row.setChanged(false);
- if (row_index || row.endpos() < par.size()
- || (row.right_boundary() && par.inInset().lyxCode() != CELL_CODE)) {
+ row.changed(true);
+ if ((row_index || row.endpos() < par.size() || row.right_boundary())
+ && !tight_) {
/* If there is more than one row or the row has been
* broken by a display inset or a newline, expand the text
* to the full allowable width. This setting here is
- * needed for the computeRowMetrics() below. In the case
- * of a display inset, we do nothing when inside a table
- * cell, because the tabular code is not prepared for
- * that, and it triggers when using a caption in a
- * longtable (see bugs #9945 and #9757).
+ * needed for the setRowAlignment() below.
+ * We do nothing when tight insets are requested.
*/
if (dim_.wid < max_width_)
dim_.wid = max_width_;
}
- int const max_row_width = max(dim_.wid, row.width());
- computeRowMetrics(row, max_row_width);
+ if (align_rows)
+ setRowAlignment(row, max(dim_.wid, row.width()));
first = row.endpos();
++row_index;
- pm.dim().wid = max(pm.dim().wid, row.width());
+ pm.dim().wid = max(pm.dim().wid, row.width() + row.right_margin);
pm.dim().des += row.height();
} while (first < par.size() || need_new_row);
if (row_index < pm.rows().size())
pm.rows().resize(row_index);
+ // This type of margin can only be handled at the global paragraph level
+ if (par.layout().margintype == MARGIN_RIGHT_ADDRESS_BOX) {
+ int offset = 0;
+ if (par.isRTL(buffer.params())) {
+ // globally align the paragraph to the left.
+ int minleft = max_width_;
+ for (Row const & row : pm.rows())
+ minleft = min(minleft, row.left_margin);
+ offset = right_margin - minleft;
+ } else {
+ // globally align the paragraph to the right.
+ int maxwid = 0;
+ for (Row const & row : pm.rows())
+ maxwid = max(maxwid, row.width());
+ offset = max_width_ - right_margin - maxwid;
+ }
+
+ for (Row & row : pm.rows()) {
+ row.left_margin += offset;
+ row.dim().wid += offset;
+ }
+ }
+
+ // The space above and below the paragraph.
+ int top = parTopSpacing(pit);
+ int bottom = parBottomSpacing(pit);
+
+ // Top and bottom margin of the document (only at top-level)
// FIXME: It might be better to move this in another method
// specially tailored for the main text.
- // Top and bottom margin of the document (only at top-level)
if (text_->isMainText()) {
- // original value was 20px, which is 0.2in at 100dpi
- int const margin = Length(0.2, Length::IN).inPixels(0);
- if (pit == 0) {
- pm.rows().front().dimension().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).
- */
- // coverity[copy_paste_error]
- pm.dim().des += margin;
- }
- ParagraphList const & pars = text_->paragraphs();
- if (pit + 1 == pit_type(pars.size())) {
- pm.rows().back().dimension().des += margin;
- pm.dim().des += margin;
+ if (pit == 0)
+ top += bv_->topMargin();
+ if (pit + 1 == pit_type(text_->paragraphs().size())) {
+ bottom += bv_->bottomMargin();
}
}
- // The space above and below the paragraph.
- int const top = parTopSpacing(pit);
- pm.rows().front().dimension().asc += top;
- int const bottom = parBottomSpacing(pit);
- pm.rows().back().dimension().des += bottom;
+ // Add the top/bottom space to rows and paragraph metrics
+ pm.rows().front().dim().asc += top;
+ pm.rows().back().dim().des += bottom;
pm.dim().des += top + bottom;
- pm.dim().asc += pm.rows()[0].ascent();
- pm.dim().des -= pm.rows()[0].ascent();
+ // Move the pm ascent to be the same as the first row ascent
+ pm.dim().asc += pm.rows().front().ascent();
+ pm.dim().des -= pm.rows().front().ascent();
changed |= old_dim.height() != pm.dim().height();
LyXAlignment TextMetrics::getAlign(Paragraph const & par, Row const & row) const
{
- LyXAlignment align = par.getAlign();
+ LyXAlignment align = par.getAlign(bv_->buffer().params());
// handle alignment inside tabular cells
Inset const & owner = text_->inset();
// Display-style insets should always be on a centered row
if (Inset const * inset = par.getInset(row.pos())) {
- switch (inset->display()) {
- case Inset::AlignLeft:
- align = LYX_ALIGN_BLOCK;
- break;
- case Inset::AlignCenter:
- align = LYX_ALIGN_CENTER;
- break;
- case Inset::Inline:
- // unchanged (use align)
- break;
- case Inset::AlignRight:
- align = LYX_ALIGN_RIGHT;
- break;
+ if (inset->rowFlags() & Inset::Display) {
+ if (inset->rowFlags() & Inset::AlignLeft)
+ align = LYX_ALIGN_BLOCK;
+ else if (inset->rowFlags() & Inset::AlignRight)
+ align = LYX_ALIGN_RIGHT;
+ else
+ align = LYX_ALIGN_CENTER;
}
}
}
-void TextMetrics::computeRowMetrics(Row & row, int width) const
+void TextMetrics::setRowAlignment(Row & row, int width) const
{
row.label_hfill = 0;
row.separator = 0;
}
// are there any hfills in the row?
- ParagraphMetrics & pm = par_metrics_[row.pit()];
+ ParagraphMetrics const & pm = par_metrics_[row.pit()];
int nh = numberOfHfills(row, pm, par.beginOfBody());
int hfill = 0;
int hfill_rem = 0;
// We don't have to look at the alignment if the row is already
// larger then the permitted width as then we force the
// LEFT_ALIGN'edness!
- if (int(row.width()) >= max_width_)
+ if (row.width() >= max_width_)
return;
if (nh == 0) {
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()))
+ if (Inset const * inset = par.getInset(row.pos())) {
row.left_margin += 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();
body_pos = 0;
CoordCache::Insets & insetCache = bv_->coordCache().insets();
- Row::iterator cit = row.begin();
- Row::iterator const cend = row.end();
- for ( ; cit != cend; ++cit) {
- if (row.label_hfill && cit->endpos == body_pos
- && cit->type == Row::SPACE)
- cit->dim.wid -= int(row.label_hfill * (nlh - 1));
- if (cit->inset && pm.hfillExpansion(row, cit->pos)) {
- if (cit->pos >= body_pos) {
- cit->dim.wid += hfill;
+ for (Row::Element & e : row) {
+ if (row.label_hfill && e.endpos == body_pos
+ && e.type == Row::SPACE)
+ e.dim.wid -= int(row.label_hfill * (nlh - 1));
+ if (e.inset && pm.hfillExpansion(row, e.pos)) {
+ if (e.pos >= body_pos) {
+ e.dim.wid += hfill;
--nh;
if (nh == 0)
- cit->dim.wid += hfill_rem;
+ e.dim.wid += hfill_rem;
} else
- cit->dim.wid += int(row.label_hfill);
+ e.dim.wid += int(row.label_hfill);
// Cache the inset dimension.
- insetCache.add(cit->inset, cit->dim);
+ insetCache.add(e.inset, e.dim);
}
}
}
LBUFERR(par.beginOfBody() > 0 || par.isEnvSeparator(0));
int w = 0;
- Row::const_iterator cit = row.begin();
- Row::const_iterator const end = row.end();
// iterate over elements before main body (except the last one,
// which is extra space).
- while (cit!= end && cit->endpos < par.beginOfBody()) {
- w += cit->dim.wid;
- ++cit;
+ for (Row::Element const & e : row) {
+ if (e.endpos >= par.beginOfBody())
+ break;
+ w += e.dim.wid;
}
docstring const & label = par.params().labelWidthString();
}
-#if 0
-// Not used, see TextMetrics::breakRow
-// this needs special handling - only newlines count as a break point
-static 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;
-}
-#endif
-
-
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
- return leftMargin(max_width_, pit);
+ return leftMargin(pit);
}
namespace {
pos_type bodypos_;
};
-} // anon namespace
+} // namespace
/** This is the function where the hard work is done. The code here is
* very sensitive to small changes :) Note that part of the
*/
bool TextMetrics::breakRow(Row & row, int const right_margin) const
{
+ LATTEST(row.empty());
Paragraph const & par = text_->getPar(row.pit());
+ Buffer const & buf = text_->inset().buffer();
+ BookmarksSection::BookmarkPosList bpl =
+ theSession().bookmarks().bookmarksInPar(buf.fileName(), par.id());
+
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();
- row.left_margin = leftMargin(max_width_, row.pit(), pos);
+ row.left_margin = leftMargin(row.pit(), pos);
row.right_margin = right_margin;
if (is_rtl)
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;
- if (pos >= end || row.width() > width) {
- row.endpos(end);
- return need_new_row;
- }
-
-#if 0
- //FIXME: As long as leftMargin() is not correctly implemented for
- // MARGIN_RIGHT_ADDRESS_BOX, we should also not do this here.
- // Otherwise, long rows will be painted off the screen.
- if (par.layout().margintype == MARGIN_RIGHT_ADDRESS_BOX)
- return addressBreakPoint(pos, par);
-#endif
-
// check for possible inline completion
DocIterator const & ic_it = bv_->inlineCompletionPos();
pos_type ic_pos = -1;
// or the end of the par, then build a representation of the row.
pos_type i = pos;
FontIterator fi = FontIterator(*this, par, row.pit(), pos);
- do {
- // this can happen for an empty row after a newline
- if (i >= end)
+ // The real stopping condition is a few lines below.
+ while (true) {
+ // Firstly, check whether there is a bookmark here.
+ if (lyxrc.bookmarks_visibility == LyXRC::BMK_INLINE)
+ for (auto const & bp_p : bpl)
+ if (bp_p.second == i) {
+ Font f = *fi;
+ f.fontInfo().setColor(Color_bookmark);
+ // βΆ U+2776 DINGBAT NEGATIVE CIRCLED DIGIT ONE
+ char_type const ch = 0x2775 + bp_p.first;
+ row.addVirtual(i, docstring(1, ch), f, Change());
+ }
+
+ // The stopping condition is here so that the display of a
+ // bookmark can take place at paragraph start too.
+ if (i >= end || (i != pos && row.width() > width))
break;
+
char_type c = par.getChar(i);
// The most special cases are handled first.
if (par.isInset(i)) {
// ΒΆ U+00B6 PILCROW SIGN
char_type const screen_char = (c == 0x2028) ? 0x2936 : 0x00B6;
row.add(i, screen_char, *fi, par.lookupChange(i));
- } else {
- // FIXME: please someone fix the Hebrew/Arabic parenthesis mess!
- // see also Paragraph::getUChar.
- if (fi->language()->lang() == "hebrew") {
- if (c == '(')
- c = ')';
- else if (c == ')')
- c = '(';
- }
+ } else
row.add(i, c, *fi, par.lookupChange(i));
- }
// add inline completion width
// draw logically behind the previous character
}
// Handle some situations that abruptly terminate the row
- // - A newline inset
- // - Before a display inset
- // - After a display inset
- Inset const * inset = 0;
- if (par.isNewline(i) || par.isEnvSeparator(i)
- || (i + 1 < end && (inset = par.getInset(i + 1))
- && inset->display())
- || (!row.empty() && row.back().inset
- && row.back().inset->display())) {
+ // - Before an inset with BreakBefore
+ // - After an inset with BreakAfter
+ Inset const * prevInset = !row.empty() ? row.back().inset : 0;
+ Inset const * nextInset = (i + 1 < end) ? par.getInset(i + 1) : 0;
+ if ((nextInset && nextInset->rowFlags() & Inset::BreakBefore)
+ || (prevInset && prevInset->rowFlags() & Inset::BreakAfter)) {
row.flushed(true);
- need_new_row = par.isNewline(i);
+ // Force a row creation after this one if it is ended by
+ // an inset that either
+ // - has row flag RowAfter that enforces that;
+ // - or (1) did force the row breaking, (2) is at end of
+ // paragraph and (3) the said paragraph has an end label.
+ need_new_row = prevInset &&
+ (prevInset->rowFlags() & Inset::RowAfter
+ || (prevInset->rowFlags() & Inset::BreakAfter && i + 1 == end
+ && text_->getEndLabel(row.pit()) != END_LABEL_NO_LABEL));
++i;
break;
}
++i;
++fi;
- } while (i < end && row.width() <= width);
+ }
row.finalizeLast();
row.endpos(i);
// 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
// in the paragraph.
Font f(text_->layoutFont(row.pit()));
f.fontInfo().setColor(Color_paragraphmarker);
- BufferParams const & bparams
- = text_->inset().buffer().params();
- f.setLanguage(par.getParLanguage(bparams));
+ f.setLanguage(par.getParLanguage(buf.params()));
// 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?
+ if (i == end && par.lookupChange(end).changed() && !need_new_row)
+ row.needsChangeBar(true);
+
// if the row is too large, try to cut at last separator. In case
// of success, reset indication that the row was broken abruptly.
- int const next_width = max_width_ - leftMargin(max_width_, row.pit(), row.endpos())
+ int const next_width = max_width_ - leftMargin(row.pit(), row.endpos())
- rightMargin(row.pit());
- row.shortenIfNeeded(body_pos, width, next_width);
+ if (row.shortenIfNeeded(body_pos, width, next_width))
+ row.flushed(false);
row.right_boundary(!row.empty() && row.endpos() < end
&& row.back().endpos == row.endpos());
// Last row in paragraph is flushed
if (prev != pit_type(pars.size())) {
asc += int(pars[prev].layout().parsep * dh);
} else if (pit != 0) {
- Paragraph const & prevpar = pars[pit - 1];
- if (prevpar.getDepth() != 0 || prevpar.layout() == layout)
+ Paragraph const & prevpar2 = pars[pit - 1];
+ if (prevpar2.getDepth() != 0 || prevpar2.layout() == layout)
asc += int(layout.parsep * dh);
}
int maxasc = int(fm.maxAscent() * spacing_val);
int maxdes = int(fm.maxDescent() * spacing_val);
+ // Take label string into account (useful if labelfont is large)
+ if (row.pos() == 0 && layout.labelIsInline()) {
+ FontInfo const labelfont = text_->labelFont(par);
+ FontMetrics const & lfm = theFontMetrics(labelfont);
+ maxasc = max(maxasc, int(lfm.maxAscent() * spacing_val));
+ maxdes = max(maxdes, int(lfm.maxDescent() * spacing_val));
+ }
+
// Find the ascent/descent of the row contents
- Row::const_iterator cit = row.begin();
- Row::const_iterator cend = row.end();
- for ( ; cit != cend; ++cit) {
- if (cit->inset) {
- maxasc = max(maxasc, cit->dim.ascent());
- maxdes = max(maxdes, cit->dim.descent());
+ for (Row::Element const & e : row) {
+ if (e.inset) {
+ maxasc = max(maxasc, e.dim.ascent());
+ maxdes = max(maxdes, e.dim.descent());
} else {
- FontMetrics const & fm = theFontMetrics(cit->font);
- maxasc = max(maxasc, int(fm.maxAscent() * spacing_val));
- maxdes = max(maxdes, int(fm.maxDescent() * spacing_val));
+ FontMetrics const & fm2 = theFontMetrics(e.font);
+ maxasc = max(maxasc, int(fm2.maxAscent() * spacing_val));
+ maxdes = max(maxdes, int(fm2.maxDescent() * spacing_val));
}
}
++maxasc;
++maxdes;
- row.dimension().asc = maxasc;
- row.dimension().des = maxdes;
+ row.dim().asc = maxasc;
+ row.dim().des = maxdes;
+
+ // This is useful for selections
+ row.contents_dim() = row.dim();
}
}
-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());
-}
-
-
-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());
-}
-
// y is screen coordinate
pit_type TextMetrics::getPitNearY(int y)
{
ParagraphMetrics const & pm = it->second;
- if (y < it->second.position() - int(pm.ascent())) {
+ if (y < it->second.position() - pm.ascent()) {
// We are looking for a position that is before the first paragraph in
// the cache (which is in priciple off-screen, that is before the
// visible part.
ParagraphMetrics const & pm_last = par_metrics_[last->first];
- if (y >= last->second.position() + int(pm_last.descent())) {
+ if (y >= last->second.position() + pm_last.descent()) {
// We are looking for a position that is after the last paragraph in
// the cache (which is in priciple off-screen), that is before the
// visible part.
LYXERR(Debug::DEBUG, "examining: pit: " << it->first
<< " y: " << it->second.position());
- ParagraphMetrics const & pm = par_metrics_[it->first];
+ ParagraphMetrics const & pm2 = par_metrics_[it->first];
- if (it->first >= pit && int(it->second.position()) - int(pm.ascent()) <= y) {
+ if (it->first >= pit && it->second.position() - pm2.ascent() <= y) {
pit = it->first;
yy = it->second.position();
}
cur.pit() = pit;
// Do we cover an inset?
- InsetList::InsetTable * it = checkInsetHit(pit, x, y);
+ InsetList::Element * e = checkInsetHit(pit, x, y);
- if (!it) {
+ if (!e) {
// No inset, set position in the text
bool bound = false; // is modified by getPosNearX
cur.pos() = getPosNearX(row, x, bound);
return 0;
}
- Inset * inset = it->inset;
+ Inset * inset = e->inset;
//lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl;
// Set position in front of inset
- cur.pos() = it->pos;
+ cur.pos() = e->pos;
cur.boundary(false);
cur.setTargetX(x);
Inset * edited = inset->editXY(cur, x, y);
// FIXME: it is not clear that the test on position is needed
// Remove it if/when semantics of editXY is clarified
- if (cur.text() == text_ && cur.pos() == it->pos) {
+ if (cur.text() == text_ && cur.pos() == e->pos) {
// non-editable inset, set cursor after the inset if x is
// nearer to that position (bug 9628)
bool bound = false; // is modified by getPosNearX
ParagraphMetrics const & pm = par_metrics_[pit];
- int yy = pm.position() - pm.ascent();
+ int yy = pm.position() - pm.rows().front().ascent();
LYXERR(Debug::DEBUG, "x: " << x << " y: " << y <<
" pit: " << pit << " yy: " << yy);
LBUFERR(pm.rows().size());
for (; r < int(pm.rows().size()) - 1; ++r) {
Row const & row = pm.rows()[r];
- if (int(yy + row.height()) > y)
+ if (yy + row.height() > y)
break;
yy += row.height();
}
//takes screen x,y coordinates
-InsetList::InsetTable * TextMetrics::checkInsetHit(pit_type pit, int x, int y)
+InsetList::Element * TextMetrics::checkInsetHit(pit_type pit, int x, int y)
{
Paragraph const & par = text_->paragraphs()[pit];
CoordCache::Insets const & insetCache = bv_->coordCache().getInsets();
LYXERR(Debug::DEBUG, "x: " << x << " y: " << y << " pit: " << pit);
- for (auto const & it : par.insetList()) {
- LYXERR(Debug::DEBUG, "examining inset " << it.inset);
+ for (InsetList::Element const & e : par.insetList()) {
+ LYXERR(Debug::DEBUG, "examining inset " << e.inset);
- if (insetCache.covers(it.inset, x, y)) {
- LYXERR(Debug::DEBUG, "Hit inset: " << it.inset);
- return const_cast<InsetList::InsetTable *>(&it);
+ if (insetCache.covers(e.inset, x, y)) {
+ LYXERR(Debug::DEBUG, "Hit inset: " << e.inset);
+ return const_cast<InsetList::Element *>(&e);
}
}
LYXERR(Debug::DEBUG, "No inset hit. ");
- return 0;
+ return nullptr;
}
{
pit_type const pit = getPitNearY(y);
LASSERT(pit != -1, return 0);
- InsetList::InsetTable * it = checkInsetHit(pit, x, y);
+ InsetList::Element * e = checkInsetHit(pit, x, y);
- if (!it)
+ if (!e)
return 0;
- return it->inset;
+ return e->inset;
}
int TextMetrics::cursorY(CursorSlice const & sl, bool boundary) const
{
//lyxerr << "TextMetrics::cursorY: boundary: " << boundary << endl;
- ParagraphMetrics const & pm = par_metrics_[sl.pit()];
+ ParagraphMetrics const & pm = parMetrics(sl.pit());
if (pm.rows().empty())
return 0;
int h = 0;
- h -= par_metrics_[0].rows()[0].ascent();
+ h -= parMetrics(0).rows()[0].ascent();
for (pit_type pit = 0; pit < sl.pit(); ++pit) {
- h += par_metrics_[pit].height();
+ h += parMetrics(pit).height();
}
int pos = sl.pos();
if (pos && boundary)
if (!cur.selection())
text_->deleteWordForward(cur);
else
- cap::cutSelection(cur, true, false);
+ cap::cutSelection(cur, false);
cur.checkBufferStructure();
}
}
-bool TextMetrics::isLastRow(Row const & row) const
+int TextMetrics::leftMargin(pit_type pit) 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(int max_width, pit_type pit) const
-{
- return leftMargin(max_width, pit, text_->paragraphs()[pit].size());
+ // FIXME: what is the semantics? It depends on whether the
+ // paragraph is empty!
+ return leftMargin(pit, text_->paragraphs()[pit].size());
}
-int TextMetrics::leftMargin(int max_width,
- pit_type const pit, pos_type const pos) const
+int TextMetrics::leftMargin(pit_type const pit, pos_type const pos) const
{
ParagraphList const & pars = text_->paragraphs();
LASSERT(pit < int(pars.size()), return 0);
Paragraph const & par = pars[pit];
LASSERT(pos >= 0, return 0);
- LASSERT(pos <= par.size(), return 0);
+ // We do not really care whether pos > par.size(), since we do not
+ // access the data. It can be actually useful, when querying the
+ // margin without indentation (see leftMargin(pit_type).
+
Buffer const & buffer = bv_->buffer();
//lyxerr << "TextMetrics::leftMargin: pit: " << pit << " pos: " << pos << endl;
DocumentClass const & tclass = buffer.params().documentClass();
int l_margin = 0;
- if (text_->isMainText())
+ if (text_->isMainText()) {
l_margin += bv_->leftMargin();
-
- l_margin += bfm.signedWidth(tclass.leftmargin());
+ l_margin += bfm.signedWidth(tclass.leftmargin());
+ }
int depth = par.getDepth();
if (depth != 0) {
int nestmargin = depth * nestMargin();
if (text_->isMainText())
nestmargin += changebarMargin();
- l_margin = max(leftMargin(max_width, newpar), nestmargin);
+ l_margin = max(leftMargin(newpar), nestmargin);
// Remove the parindent that has been added
// if the paragraph was empty.
if (pars[newpar].empty() &&
}
break;
- case MARGIN_RIGHT_ADDRESS_BOX: {
-#if 0
- // The left margin depends on the widest row in this paragraph.
- // This code is wrong because it depends on the rows, but at the
- // same time this function is used in redoParagraph to construct
- // the rows.
- ParagraphMetrics const & pm = par_metrics_[pit];
- RowList::const_iterator rit = pm.rows().begin();
- RowList::const_iterator end = pm.rows().end();
- int minfill = max_width;
- for ( ; rit != end; ++rit)
- if (rit->fill() < minfill)
- minfill = rit->fill();
- l_margin += bfm.signedWidth(layout.leftmargin);
- l_margin += minfill;
-#endif
- // also wrong, but much shorter.
- l_margin += max_width / 2;
+ case MARGIN_RIGHT_ADDRESS_BOX:
+ // This is handled globally in redoParagraph().
break;
}
- }
if (!par.params().leftIndent().zero())
- l_margin += par.params().leftIndent().inPixels(max_width, lfm.em());
+ l_margin += par.params().leftIndent().inPixels(max_width_, lfm.em());
- LyXAlignment align = par.getAlign();
+ LyXAlignment align = par.getAlign(bv_->buffer().params());
// set the correct parindent
if (pos == 0
&& !par.params().noindent()
// in some insets, paragraphs are never indented
&& !text_->inset().neverIndent()
- // display style insets are always centered, omit indentation
+ // display style insets do not need indentation
&& !(!par.empty()
- && par.isInset(pos)
- && par.getInset(pos)->display())
+ && par.isInset(0)
+ && par.getInset(0)->rowFlags() & Inset::Display)
&& (!(tclass.isDefaultLayout(par.layout())
|| tclass.isPlainLayout(par.layout()))
|| buffer.params().paragraph_separation
origin_.x_ = x;
origin_.y_ = y;
- ParMetricsCache::iterator it = par_metrics_.begin();
- ParMetricsCache::iterator const pm_end = par_metrics_.end();
- y -= it->second.ascent();
- for (; it != pm_end; ++it) {
- ParagraphMetrics const & pmi = it->second;
- y += pmi.ascent();
- pit_type const pit = it->first;
+ y -= par_metrics_.begin()->second.ascent();
+ for (auto & pm_pair : par_metrics_) {
+ pit_type const pit = pm_pair.first;
+ ParagraphMetrics & pm = pm_pair.second;
+ y += pm.ascent();
// Save the paragraph position in the cache.
- it->second.setPosition(y);
+ pm.setPosition(y);
drawParagraph(pi, pit, x, y);
- y += pmi.descent();
+ y += pm.descent();
}
}
if (pm.rows().empty())
return;
size_t const nrows = pm.rows().size();
+ // Remember left and right margin for drawing math numbers
+ Changer changeleft = changeVar(pi.leftx, x + leftMargin(pit));
+ Changer changeright = changeVar(pi.rightx, x + width() - rightMargin(pit));
- // Use fast lane when drawing is disabled.
- if (!pi.pain.isDrawingEnabled()) {
+ // Use fast lane in nodraw stage.
+ if (pi.pain.isNull()) {
for (size_t i = 0; i != nrows; ++i) {
Row const & row = pm.rows()[i];
}
}
+ if (text_->isRTL(pit))
+ swap(pi.leftx, pi.rightx);
+
+ BookmarksSection::BookmarkPosList bpl =
+ theSession().bookmarks().bookmarksInPar(bv_->buffer().fileName(), pm.par().id());
+
for (size_t i = 0; i != nrows; ++i) {
Row const & row = pm.rows()[i];
if (i)
y += row.ascent();
- RowPainter rp(pi, *text_, row, row_x, y);
-
// It is not needed to draw on screen if we are not inside.
bool const inside = (y + row.descent() >= 0
&& y - row.ascent() < ww);
- pi.pain.setDrawingEnabled(inside);
if (!inside) {
- // Paint only the insets to set inset cache correctly
- // FIXME: remove paintOnlyInsets when we know that positions
- // have already been set.
- rp.paintOnlyInsets();
+ // Inset positions have already been set in nodraw stage.
y += row.descent();
continue;
}
if (selection)
row.setSelectionAndMargins(sel_beg_par, sel_end_par);
else
- row.setSelection(-1, -1);
+ row.clearSelectionAndMargins();
// The row knows nothing about the paragraph, so we have to check
// whether this row is the first or last and update the margins.
if (row.selection()) {
if (row.sel_beg == 0)
- row.begin_margin_sel = sel_beg.pit() < pit;
+ row.change(row.begin_margin_sel, sel_beg.pit() < pit);
if (row.sel_end == sel_end_par.lastpos())
- row.end_margin_sel = sel_end.pit() > pit;
+ row.change(row.end_margin_sel, sel_end.pit() > pit);
}
- // Row signature; has row changed since last paint?
- row.setCrc(pm.computeRowSignature(row, *bv_));
- 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();
}
+ RowPainter rp(pi, *text_, row, row_x, y);
+
// 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();
+ rp.paintTooLargeMarks(
+ row_x + row.left_x() < bv_->leftMargin(),
+ row_x + row.right_x() > bv_->workWidth() - bv_->rightMargin());
+ row.changed(false);
y += row.descent();
continue;
}
// 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());
- pi.pain.fillRectangle(max(row_x, 0), y - row.ascent(),
- width(), row.height(), pi.background_color);
+ pi.pain.fillRectangle(row_x, y - row.ascent(),
+ width(), row.height(), pi.background_color);
}
// Instrumentation for testing row cache (see also
// 12 lines lower):
if (lyxerr.debugging(Debug::PAINTING)
- && (row.selection() || pi.full_repaint || row_has_changed)) {
- string const foreword = text_->isMainText() ?
- "main text redraw " : "inset text redraw: ";
- LYXERR(Debug::PAINTING, foreword << "pit=" << pit << " row=" << i
- << " row_selection=" << row.selection()
- << " full_repaint=" << pi.full_repaint
- << " row_has_changed=" << row_has_changed
- << " drawingEnabled=" << pi.pain.isDrawingEnabled());
+ && (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.changed() ? " row.changed" : ""));
}
// Backup full_repaint status and force full repaint
rp.paintSelection();
rp.paintAppendix();
rp.paintDepthBar();
- rp.paintChangeBar();
- if (i == 0 && !row.isRTL())
+ if (row.needsChangeBar())
+ rp.paintChangeBar();
+ 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());
+ rp.paintTooLargeMarks(
+ row_x + row.left_x() < bv_->leftMargin(),
+ row_x + row.right_x() > bv_->workWidth() - bv_->rightMargin());
+ // indicate bookmarks presence in margin
+ if (lyxrc.bookmarks_visibility == LyXRC::BMK_MARGIN)
+ for (auto const & bp_p : bpl)
+ if (bp_p.second >= row.pos() && bp_p.second < row.endpos())
+ rp.paintBookmark(bp_p.first);
+
y += row.descent();
+#if 0
+ // This debug code shows on screen which rows are repainted.
+ // FIXME: since the updates related to caret blinking restrict
+ // the painter to a small rectangle, the numbers are not
+ // updated when this happens. Change the code in
+ // GuiWorkArea::Private::show/hideCaret if this is important.
+ static int count = 0;
+ ++count;
+ FontInfo fi(sane_font);
+ fi.setSize(TINY_SIZE);
+ fi.setColor(Color_red);
+ pi.pain.text(row_x, y, convert<docstring>(count), fi);
+#endif
+
// Restore full_repaint status.
pi.full_repaint = tmp;
+
+ row.changed(false);
}
- // Re-enable screen drawing for future use of the painter.
- pi.pain.setDrawingEnabled(true);
//LYXERR(Debug::PAINTING, ".");
}
void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y,
Dimension & dim) const
{
- Cursor const & bvcur = cur.bv().cursor();
-
- // get word in front of cursor
- docstring word = text_->previousWord(bvcur.top());
- DocIterator wordStart = bvcur;
- wordStart.pos() -= word.length();
+ DocIterator from = cur.bv().cursor();
+ DocIterator to = from;
+ text_->getWord(from.top(), to.top(), PREVIOUS_WORD);
- // calculate dimensions of the word
- Row row;
- row.pit(bvcur.pit());
- row.pos(wordStart.pos());
- row.endpos(bvcur.pos());
- setRowHeight(row);
- dim = row.dimension();
+ // The vertical dimension of the word
+ Font const font = displayFont(cur.pit(), from.pos());
+ FontMetrics const & fm = theFontMetrics(font);
+ // the +1's below are related to the extra pixels added in setRowHeight
+ dim.asc = fm.maxAscent() + 1;
+ dim.des = fm.maxDescent() + 1;
// get position on screen of the word start and end
//FIXME: Is it necessary to explicitly set this to false?
- wordStart.boundary(false);
- Point lxy = cur.bv().getPos(wordStart);
- Point rxy = cur.bv().getPos(bvcur);
+ from.boundary(false);
+ Point lxy = cur.bv().getPos(from);
+ Point rxy = cur.bv().getPos(to);
dim.wid = abs(rxy.x_ - lxy.x_);
// calculate position of word