#include "support/debug.h"
#include "support/lassert.h"
+#include <stdlib.h>
#include <cmath>
using namespace std;
par.setBeginOfBody();
pos_type first = 0;
size_t row_index = 0;
+ bool need_new_row = false;
// maximum pixel width of a row
do {
if (row_index == pm.rows().size())
Row & row = pm.rows()[row_index];
row.pit(pit);
row.pos(first);
- breakRow(row, right_margin, pit);
- setRowHeight(row, pit);
+ 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)) {
dim_.wid = max_width_;
}
int const max_row_width = max(dim_.wid, row.width());
- computeRowMetrics(pit, row, max_row_width);
+ computeRowMetrics(row, max_row_width);
first = row.endpos();
++row_index;
pm.dim().wid = max(pm.dim().wid, row.width());
pm.dim().des += row.height();
- } while (first < par.size());
+ } while (first < par.size() || need_new_row);
if (row_index < pm.rows().size())
pm.rows().resize(row_index);
- // Make sure that if a par ends in newline, there is one more row
- // under it
- if (first > 0 && par.isNewline(first - 1)) {
- if (row_index == pm.rows().size())
- pm.rows().push_back(Row());
- Row & row = pm.rows()[row_index];
- row.pos(first);
- breakRow(row, right_margin, pit);
- setRowHeight(row, pit);
- row.setChanged(false);
- int const max_row_width = max(dim_.wid, row.width());
- computeRowMetrics(pit, row, max_row_width);
- pm.dim().des += row.height();
+ // 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()) {
+ if (pit == 0) {
+ pm.rows().front().dimension().asc += 20;
+ /* coverity[copy_paste_error]: 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).
+ */
+ pm.dim().des += 20;
+ }
+ ParagraphList const & pars = text_->paragraphs();
+ if (pit + 1 == pit_type(pars.size())) {
+ pm.rows().back().dimension().des += 20;
+ pm.dim().des += 20;
+ }
}
+ // 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;
+ pm.dim().des += top + bottom;
+
pm.dim().asc += pm.rows()[0].ascent();
pm.dim().des -= pm.rows()[0].ascent();
}
-void TextMetrics::computeRowMetrics(pit_type const pit,
- Row & row, int width) const
+void TextMetrics::computeRowMetrics(Row & row, int width) const
{
row.label_hfill = 0;
row.separator = 0;
- Paragraph const & par = text_->getPar(pit);
+ Paragraph const & par = text_->getPar(row.pit());
int const w = width - row.right_margin - row.width();
// FIXME: put back this assertion when the crash on new doc is solved.
++nlh;
if (nlh && !par.getLabelWidthString().empty())
- row.label_hfill = labelFill(pit, row) / double(nlh);
+ row.label_hfill = labelFill(row) / double(nlh);
}
// are there any hfills in the row?
- ParagraphMetrics & pm = par_metrics_[pit];
+ ParagraphMetrics & pm = par_metrics_[row.pit()];
int nh = numberOfHfills(row, pm, par.beginOfBody());
int hfill = 0;
int hfill_rem = 0;
}
-int TextMetrics::labelFill(pit_type const pit, Row const & row) const
+int TextMetrics::labelFill(Row const & row) const
{
- Paragraph const & par = text_->getPar(pit);
+ Paragraph const & par = text_->getPar(row.pit());
LBUFERR(par.beginOfBody() > 0 || par.isEnvSeparator(0));
int w = 0;
* very sensitive to small changes :) Note that part of the
* intelligence is also in Row::shortenIfNeeded.
*/
-void TextMetrics::breakRow(Row & row, int const right_margin, pit_type const pit) const
+bool TextMetrics::breakRow(Row & row, int const right_margin) const
{
- Paragraph const & par = text_->getPar(pit);
+ Paragraph const & par = text_->getPar(row.pit());
pos_type const end = par.size();
pos_type const pos = row.pos();
pos_type const body_pos = par.beginOfBody();
bool need_new_row = false;
row.clear();
- row.left_margin = leftMargin(max_width_, pit, pos);
+ row.left_margin = leftMargin(max_width_, row.pit(), pos);
row.right_margin = right_margin;
if (is_rtl)
swap(row.left_margin, row.right_margin);
// the width available for the row.
int const width = max_width_ - row.right_margin;
- ParagraphList const & pars = text_->paragraphs();
+ 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
// check for possible inline completion
DocIterator const & ic_it = bv_->inlineCompletionPos();
pos_type ic_pos = -1;
- if (ic_it.inTexted() && ic_it.text() == text_ && ic_it.pit() == pit)
+ if (ic_it.inTexted() && ic_it.text() == text_ && ic_it.pit() == row.pit())
ic_pos = ic_it.pos();
// Now we iterate through until we reach the right margin
// or the end of the par, then build a representation of the row.
pos_type i = pos;
- FontIterator fi = FontIterator(*this, par, pit, pos);
+ FontIterator fi = FontIterator(*this, par, row.pit(), pos);
do {
// this can happen for an empty row after a newline
if (i >= end)
// this is needed to make sure that the row width is correct
row.finalizeLast();
int const add = max(fm.width(par.layout().labelsep),
- labelEnd(pit) - row.width());
+ labelEnd(row.pit()) - row.width());
row.addSpace(i, add, *fi, par.lookupChange(i));
} else if (c == '\t')
row.addSpace(i, theFontMetrics(*fi).width(from_ascii(" ")),
row.endpos(i);
// End of paragraph marker
+ ParagraphList const & pars = text_->paragraphs();
if (lyxrc.paragraph_markers && !need_new_row
- && i == end && size_type(pit + 1) < pars.size()) {
+ && 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(pit));
+ Font f(text_->layoutFont(row.pit()));
f.fontInfo().setColor(Color_paragraphmarker);
BufferParams const & bparams
= text_->inset().buffer().params();
// if the row is too large, try to cut at last separator. In case
// of success, reset indication that the row was broken abruptly.
if (row.shortenIfNeeded(body_pos, width))
- row.right_boundary(false);
+ row.right_boundary(!row.empty() && row.back().endpos == row.endpos());
// make sure that the RTL elements are in reverse ordering
row.reverseRTL(is_rtl);
//LYXERR0("breakrow: row is " << row);
-}
+ return need_new_row;
+}
-void TextMetrics::setRowHeight(Row & row, pit_type const pit,
- bool topBottomSpace) const
+int TextMetrics::parTopSpacing(pit_type const pit) const
{
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 :)
Layout const & layout = par.layout();
- // 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.
- Buffer const & buffer = bv_->buffer();
- Font font = displayFont(pit, row.pos());
- FontSize const tmpsize = font.fontInfo().size();
- font.fontInfo() = text_->layoutFont(pit);
- FontSize const size = font.fontInfo().size();
- font.fontInfo().setSize(tmpsize);
+ int asc = 0;
+ ParagraphList const & pars = text_->paragraphs();
+ double const dh = defaultRowHeight();
- FontInfo labelfont = text_->labelFont(par);
+ BufferParams const & bparams = bv_->buffer().params();
+ Inset const & inset = text_->inset();
+ // some parskips VERY EASY IMPLEMENTATION
+ if (bparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
+ && !inset.getLayout().parbreakIsNewline()
+ && !par.layout().parbreak_is_newline
+ && pit > 0
+ && ((layout.isParagraph() && par.getDepth() == 0)
+ || (pars[pit - 1].layout().isParagraph()
+ && pars[pit - 1].getDepth() == 0))) {
+ asc += bparams.getDefSkip().inPixels(*bv_);
+ }
- FontMetrics const & lfm = theFontMetrics(labelfont);
- FontMetrics const & fm = theFontMetrics(font);
+ if (par.params().startOfAppendix())
+ asc += int(3 * dh);
+
+ // special code for the top label
+ if (layout.labelIsAbove()
+ && (!layout.isParagraphGroup() || text_->isFirstInSequence(pit))
+ && !par.labelString().empty()) {
+ FontInfo labelfont = text_->labelFont(par);
+ FontMetrics const & lfm = theFontMetrics(labelfont);
+ asc += int(lfm.maxHeight() * layout.spacing.getValue()
+ * text_->spacing(par)
+ + (layout.topsep + layout.labelbottomsep) * dh);
+ }
- // these are minimum values
- double const spacing_val = layout.spacing.getValue()
- * text_->spacing(par);
- //lyxerr << "spacing_val = " << spacing_val << endl;
- int maxasc = int(fm.maxAscent() * spacing_val);
- int maxdesc = int(fm.maxDescent() * spacing_val);
+ // Add the layout spaces, for example before and after
+ // a section, or between the items of a itemize or enumerate
+ // environment.
- // insets may be taller
- CoordCache::Insets const & insetCache = bv_->coordCache().getInsets();
- Row::const_iterator cit = row.begin();
- Row::const_iterator cend = row.end();
- for ( ; cit != cend; ++cit) {
- if (cit->inset) {
- Dimension const & dim = insetCache.dim(cit->inset);
- maxasc = max(maxasc, dim.ascent());
- maxdesc = max(maxdesc, dim.descent());
- }
+ pit_type prev = text_->depthHook(pit, par.getDepth());
+ Paragraph const & prevpar = pars[prev];
+ double layoutasc = 0;
+ if (prev != pit
+ && prevpar.layout() == layout
+ && prevpar.getDepth() == par.getDepth()
+ && prevpar.getLabelWidthString() == par.getLabelWidthString()) {
+ layoutasc = layout.itemsep * dh;
+ } else if (pit != 0 && layout.topsep > 0)
+ layoutasc = layout.topsep * dh;
+
+ asc += int(layoutasc * 2 / (2 + pars[pit].getDepth()));
+
+ prev = text_->outerHook(pit);
+ 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)
+ asc += int(layout.parsep * dh);
}
- // 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;
-
- FontSize maxsize =
- par.highestFontInRange(row.pos(), row.endpos(), size);
- if (maxsize > font.fontInfo().size()) {
- // use standard paragraph font with the maximal size
- FontInfo maxfont = font.fontInfo();
- maxfont.setSize(maxsize);
- FontMetrics const & maxfontmetrics = theFontMetrics(maxfont);
- maxasc = max(maxasc, maxfontmetrics.maxAscent());
- maxdesc = max(maxdesc, maxfontmetrics.maxDescent());
- }
+ return asc;
+}
- // This is nicer with box insets:
- ++maxasc;
- ++maxdesc;
+int TextMetrics::parBottomSpacing(pit_type const pit) const
+{
+ double layoutdesc = 0;
ParagraphList const & pars = text_->paragraphs();
- Inset const & inset = text_->inset();
+ double const dh = defaultRowHeight();
- // is it a top line?
- if (row.pos() == 0 && topBottomSpace) {
- BufferParams const & bufparams = buffer.params();
- // some parskips VERY EASY IMPLEMENTATION
- if (bufparams.paragraph_separation == BufferParams::ParagraphSkipSeparation
- && !inset.getLayout().parbreakIsNewline()
- && !par.layout().parbreak_is_newline
- && pit > 0
- && ((layout.isParagraph() && par.getDepth() == 0)
- || (pars[pit - 1].layout().isParagraph()
- && pars[pit - 1].getDepth() == 0))) {
- maxasc += bufparams.getDefSkip().inPixels(*bv_);
+ // 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;
+
+ if (pars[cpit].getDepth() > pars[nextpit].getDepth()) {
+ double usual = pars[cpit].layout().bottomsep * dh;
+ double unusual = 0;
+ cpit = text_->depthHook(cpit, 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);
}
+ }
- if (par.params().startOfAppendix())
- maxasc += int(3 * dh);
-
- // special code for the top label
- if (layout.labelIsAbove()
- && (!layout.isParagraphGroup() || text_->isFirstInSequence(pit))
- && !par.labelString().empty()) {
- labeladdon = int(
- lfm.maxHeight()
- * layout.spacing.getValue()
- * text_->spacing(par)
- + (layout.topsep + layout.labelbottomsep) * dh);
- }
+ return int(layoutdesc * 2 / (2 + pars[pit].getDepth()));
+}
- // Add the layout spaces, for example before and after
- // a section, or between the items of a itemize or enumerate
- // environment.
- pit_type prev = text_->depthHook(pit, par.getDepth());
- Paragraph const & prevpar = pars[prev];
- if (prev != pit
- && prevpar.layout() == layout
- && prevpar.getDepth() == par.getDepth()
- && prevpar.getLabelWidthString()
- == par.getLabelWidthString()) {
- layoutasc = layout.itemsep * dh;
- } else if (pit != 0 || row.pos() != 0) {
- if (layout.topsep > 0)
- layoutasc = layout.topsep * dh;
- }
+void TextMetrics::setRowHeight(Row & row) const
+{
+ Paragraph const & par = text_->getPar(row.pit());
+ Layout const & layout = par.layout();
+ double const spacing_val = layout.spacing.getValue() * text_->spacing(par);
- prev = text_->outerHook(pit);
- if (prev != pit_type(pars.size())) {
- maxasc += int(pars[prev].layout().parsep * dh);
- } else if (pit != 0) {
- Paragraph const & prevpar = pars[pit - 1];
- if (prevpar.getDepth() != 0 ||
- prevpar.layout() == layout) {
- maxasc += int(layout.parsep * dh);
- }
- }
- }
+ // 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);
- // is it a bottom line?
- if (row.endpos() >= par.size() && topBottomSpace) {
- // 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;
-
- if (pars[cpit].getDepth() > pars[nextpit].getDepth()) {
- double usual = pars[cpit].layout().bottomsep * dh;
- double unusual = 0;
- cpit = text_->depthHook(cpit, 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);
- }
+ // 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());
+ } else {
+ FontMetrics const & fm = theFontMetrics(cit->font);
+ maxasc = max(maxasc, int(fm.maxAscent() * spacing_val));
+ maxdes = max(maxdes, int(fm.maxDescent() * spacing_val));
}
}
- // incalculate the layout spaces
- maxasc += int(layoutasc * 2 / (2 + pars[pit].getDepth()));
- maxdesc += int(layoutdesc * 2 / (2 + pars[pit].getDepth()));
-
- // FIXME: the correct way is to do the following is to move the
- // following code in another method specially tailored for the
- // main Text. The following test is thus bogus.
- // Top and bottom margin of the document (only at top-level)
- if (text_->isMainText() && topBottomSpace) {
- if (pit == 0 && row.pos() == 0)
- maxasc += 20;
- if (pit + 1 == pit_type(pars.size()) &&
- row.endpos() == par.size() &&
- !(row.endpos() > 0 && par.isNewline(row.endpos() - 1)))
- maxdesc += 20;
- }
+ // This is nicer with box insets
+ ++maxasc;
+ ++maxdes;
- row.dimension().asc = maxasc + labeladdon;
- row.dimension().des = maxdesc;
+ row.dimension().asc = maxasc;
+ row.dimension().des = maxdes;
}
}
-bool TextMetrics::isLastRow(pit_type pit, Row const & row) const
+bool TextMetrics::isLastRow(Row const & row) const
{
ParagraphList const & pars = text_->paragraphs();
- return row.endpos() >= pars[pit].size()
- && pit + 1 == pit_type(pars.size());
+ return row.endpos() >= pars[row.pit()].size()
+ && row.pit() + 1 == pit_type(pars.size());
}
-bool TextMetrics::isFirstRow(pit_type pit, Row const & row) const
+bool TextMetrics::isFirstRow(Row const & row) const
{
- return row.pos() == 0 && pit == 0;
+ return row.pos() == 0 && row.pit() == 0;
}
void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const x, int y) const
{
- BufferParams const & bparams = bv_->buffer().params();
ParagraphMetrics const & pm = par_metrics_[pit];
if (pm.rows().empty())
return;
-
- bool const original_drawing_state = pi.pain.isDrawingEnabled();
- int const ww = bv_->workHeight();
size_t const nrows = pm.rows().size();
+ // Use fast lane when drawing is disabled.
+ if (!pi.pain.isDrawingEnabled()) {
+ for (size_t i = 0; i != nrows; ++i) {
+
+ Row const & row = pm.rows()[i];
+ // Adapt to cursor row scroll offset if applicable.
+ int row_x = x - bv_->horizScrollOffset(text_, pit, row.pos());
+ if (i)
+ y += row.ascent();
+
+ RowPainter rp(pi, *text_, row, row_x, y);
+
+ rp.paintOnlyInsets();
+ y += row.descent();
+ }
+ return;
+ }
+
+ int const ww = bv_->workHeight();
Cursor const & cur = bv_->cursor();
DocIterator sel_beg = cur.selectionBegin();
DocIterator sel_end = cur.selectionEnd();
if (i)
y += row.ascent();
- RowPainter rp(pi, *text_, pit, row, row_x, y);
+ 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);
- // It is not needed to draw on screen if we are not inside.
- pi.pain.setDrawingEnabled(inside && original_drawing_state);
+ 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();
+ y += row.descent();
+ continue;
+ }
if (selection)
row.setSelectionAndMargins(sel_beg_par, sel_end_par);
}
// Row signature; has row changed since last paint?
- if (pi.pain.isDrawingEnabled())
- row.setCrc(pm.computeRowSignature(row, bparams));
+ row.setCrc(pm.computeRowSignature(row, *bv_));
bool row_has_changed = row.changed()
|| bv_->hadHorizScrollOffset(text_, pit, row.pos());
// Instrumentation for testing row cache (see also
// 12 lines lower):
- if (lyxerr.debugging(Debug::PAINTING) && inside
+ if (lyxerr.debugging(Debug::PAINTING)
&& (row.selection() || pi.full_repaint || row_has_changed)) {
string const foreword = text_->isMainText() ?
"main text redraw " : "inset text redraw: ";
pi.full_repaint = tmp;
}
// Re-enable screen drawing for future use of the painter.
- pi.pain.setDrawingEnabled(original_drawing_state);
+ pi.pain.setDrawingEnabled(true);
//LYXERR(Debug::PAINTING, ".");
}
DocIterator wordStart = bvcur;
wordStart.pos() -= word.length();
- // 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);
-
// calculate dimensions of the word
Row row;
+ row.pit(bvcur.pit());
row.pos(wordStart.pos());
row.endpos(bvcur.pos());
- setRowHeight(row, bvcur.pit(), false);
+ setRowHeight(row);
dim = row.dimension();
+
+ // 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);
dim.wid = abs(rxy.x_ - lxy.x_);
// calculate position of word
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