#include "support/textutils.h"
+#include <boost/crc.hpp>
+
using lyx::pos_type;
using lyx::pit_type;
void paintText();
private:
- void paintForeignMark(double orig_x, LyXFont const & orig_font);
- void paintHebrewComposeChar(lyx::pos_type & vpos);
- void paintArabicComposeChar(lyx::pos_type & vpos);
- void paintChars(lyx::pos_type & vpos, bool hebrew, bool arabic);
+ void paintForeignMark(double orig_x, LyXFont const & font);
+ void paintHebrewComposeChar(lyx::pos_type & vpos, LyXFont const & font);
+ void paintArabicComposeChar(lyx::pos_type & vpos, LyXFont const & font);
+ void paintChars(lyx::pos_type & vpos, LyXFont font,
+ bool hebrew, bool arabic);
int paintAppendixStart(int y);
void paintFromPos(lyx::pos_type & vpos);
- void paintInset(lyx::pos_type const pos);
+ void paintInset(lyx::pos_type const pos, LyXFont const & font);
/// return left margin
int leftMargin() const;
- /// return the font at the given pos
- LyXFont const getFont(lyx::pos_type pos) const;
-
/// return the label font for this row
LyXFont const getLabelFont() const;
- /// return pixel width for the given pos
- int singleWidth(lyx::pos_type pos) const;
- int singleWidth(lyx::pos_type pos, char c) const;
-
/// bufferview to paint on
BufferView const & bv_;
/// LyXText for the row
LyXText const & text_;
- ParagraphList & pars_;
+ ParagraphList const & pars_;
/// The row to paint
Row const & row_;
pit_type const pit_;
Paragraph const & par_;
+ /// is row erased? (change tracking)
+ bool erased_;
+
// Looks ugly - is
double const xo_;
int const yo_; // current baseline
LyXText const & text, pit_type pit, Row const & row, int x, int y)
: bv_(*pi.base.bv), pain_(pi.pain), text_(text), pars_(text.paragraphs()),
row_(row), pit_(pit), par_(text.paragraphs()[pit]),
+ erased_(pi.erased_),
xo_(x), yo_(y), width_(text_.width())
{
RowMetrics m = text_.computeRowMetrics(pit, row_);
}
-/// "temporary"
-LyXFont const RowPainter::getFont(pos_type pos) const
-{
- LyXFont pf(text_.getFont(par_, pos));
- text_.applyOuterFont(pf);
- return pf;
-}
-
-
-int RowPainter::singleWidth(lyx::pos_type pos) const
-{
- return text_.singleWidth(par_, pos);
-}
-
-
-int RowPainter::singleWidth(lyx::pos_type pos, char c) const
-{
- LyXFont const & font = text_.getFont(par_, pos);
- return text_.singleWidth(par_, pos, c, font);
-}
-
-
LyXFont const RowPainter::getLabelFont() const
{
return text_.getLabelFont(par_);
}
-void RowPainter::paintInset(pos_type const pos)
+void RowPainter::paintInset(pos_type const pos, LyXFont const & font)
{
InsetBase const * inset = par_.getInset(pos);
BOOST_ASSERT(inset);
PainterInfo pi(const_cast<BufferView *>(&bv_), pain_);
- pi.base.font = getFont(pos);
+ // FIXME: We should always use font, see documentation of
+ // noFontChange() in insetbase.h.
+ pi.base.font = inset->noFontChange() ?
+ bv_.buffer()->params().getLyXTextClass().defaultfont() :
+ font;
pi.ltr_pos = (text_.bidi.level(pos) % 2 == 0);
+ pi.erased_ = erased_ || isDeletedText(par_, pos);
theCoords.insets().add(inset, int(x_), yo_);
inset->drawSelection(pi, int(x_), yo_);
inset->draw(pi, int(x_), yo_);
}
-void RowPainter::paintHebrewComposeChar(pos_type & vpos)
+void RowPainter::paintHebrewComposeChar(pos_type & vpos, LyXFont const & font)
{
pos_type pos = text_.bidi.vis2log(vpos);
str += c;
++vpos;
- LyXFont const & font = getFont(pos);
int const width = font_metrics::width(c, font);
int dx = 0;
c = par_.getChar(i);
if (!Encodings::IsComposeChar_hebrew(c)) {
if (IsPrintableNonspace(c)) {
- int const width2 = singleWidth(i, c);
+ int const width2 =
+ text_.singleWidth(par_, i, c, text_.getFont(par_, i));
// dalet / resh
dx = (c == 'ø' || c == 'ã')
? width2 - width
}
-void RowPainter::paintArabicComposeChar(pos_type & vpos)
+void RowPainter::paintArabicComposeChar(pos_type & vpos, LyXFont const & font)
{
pos_type pos = text_.bidi.vis2log(vpos);
string str;
str += c;
++vpos;
- LyXFont const & font = getFont(pos);
int const width = font_metrics::width(c, font);
int dx = 0;
c = par_.getChar(i);
if (!Encodings::IsComposeChar_arabic(c)) {
if (IsPrintableNonspace(c)) {
- int const width2 = singleWidth(i, c);
+ int const width2 =
+ text_.singleWidth(par_, i, c, text_.getFont(par_, i));
dx = (width2 - width) / 2;
}
break;
}
-void RowPainter::paintChars(pos_type & vpos, bool hebrew, bool arabic)
+void RowPainter::paintChars(pos_type & vpos, LyXFont font,
+ bool hebrew, bool arabic)
{
pos_type pos = text_.bidi.vis2log(vpos);
pos_type const end = row_.endpos();
- LyXFont orig_font = getFont(pos);
+ FontSpan const font_span = par_.fontSpan(pos);
+ Change::Type const prev_change = par_.lookupChange(pos);
// first character
string str;
str[0] = par_.transformChar(c, pos);
}
- bool prev_struckout = isDeletedText(par_, pos);
- bool prev_newtext = isInsertedText(par_, pos);
-
// collect as much similar chars as we can
- for (++vpos; vpos < end && (pos = text_.bidi.vis2log(vpos)) >= 0; ++vpos) {
- char c = par_.getChar(pos);
-
- if (!IsPrintableNonspace(c))
+ for (++vpos ; vpos < end ; ++vpos) {
+ pos = text_.bidi.vis2log(vpos);
+ if (pos < font_span.first || pos > font_span.last)
break;
- if (prev_struckout != isDeletedText(par_, pos))
+ if (prev_change != par_.lookupChange(pos))
break;
- if (prev_newtext != isInsertedText(par_, pos))
+ char c = par_.getChar(pos);
+
+ if (!IsPrintableNonspace(c))
break;
if (arabic && Encodings::IsComposeChar_arabic(c))
if (hebrew && Encodings::IsComposeChar_hebrew(c))
break;
- if (orig_font != getFont(pos))
- break;
-
if (arabic)
c = par_.transformChar(c, pos);
str += c;
}
- if (prev_struckout)
- orig_font.setColor(LColor::strikeout);
- else if (prev_newtext)
- orig_font.setColor(LColor::newtext);
+ if (prev_change == Change::DELETED)
+ font.setColor(LColor::strikeout);
+ else if (prev_change == Change::INSERTED)
+ font.setColor(LColor::newtext);
// Draw text and set the new x position
//lyxerr << "paint row: yo_ " << yo_ << "\n";
- pain_.text(int(x_), yo_, str, orig_font);
- x_ += font_metrics::width(str, orig_font);
+ pain_.text(int(x_), yo_, str, font);
+ x_ += font_metrics::width(str, font);
}
-void RowPainter::paintForeignMark(double orig_x, LyXFont const & orig_font)
+void RowPainter::paintForeignMark(double orig_x, LyXFont const & font)
{
if (!lyxrc.mark_foreign_language)
return;
- if (orig_font.language() == latex_language)
+ if (font.language() == latex_language)
return;
- if (orig_font.language() == bv_.buffer()->params().language)
+ if (font.language() == bv_.buffer()->params().language)
return;
int const y = yo_ + 1;
void RowPainter::paintFromPos(pos_type & vpos)
{
pos_type const pos = text_.bidi.vis2log(vpos);
-
- LyXFont const & orig_font = getFont(pos);
+ LyXFont orig_font = text_.getFont(par_, pos);
+ text_.applyOuterFont(orig_font);
double const orig_x = x_;
- char const c = par_.getChar(pos);
-
- if (c == Paragraph::META_INSET) {
- paintInset(pos);
+ if (par_.isInset(pos)) {
+ paintInset(pos, orig_font);
++vpos;
paintForeignMark(orig_x, orig_font);
return;
}
// usual characters, no insets
+ char const c = par_.getChar(pos);
// special case languages
- bool const hebrew = (orig_font.language()->lang() == "hebrew");
- bool const arabic =
- orig_font.language()->lang() == "arabic" &&
+ std::string const & lang = orig_font.language()->lang();
+ bool const hebrew = lang == "hebrew";
+ bool const arabic = lang == "arabic" &&
(lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
lyxrc.font_norm_type == LyXRC::ISO_10646_1);
if ((!hebrew && !arabic)
|| (hebrew && !Encodings::IsComposeChar_hebrew(c))
|| (arabic && !Encodings::IsComposeChar_arabic(c))) {
- paintChars(vpos, hebrew, arabic);
+ paintChars(vpos, orig_font, hebrew, arabic);
} else if (hebrew) {
- paintHebrewComposeChar(vpos);
+ paintHebrewComposeChar(vpos, orig_font);
} else if (arabic) {
- paintArabicComposeChar(vpos);
+ paintArabicComposeChar(vpos, orig_font);
}
paintForeignMark(orig_x, orig_font);
// start of appendix?
if (parparams.startOfAppendix())
- y_top += paintAppendixStart(yo_ + y_top + 2 * defaultRowHeight());
+ y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
Buffer const & buffer = *bv_.buffer();
} else {
spacing_val = buffer.params().spacing().getValue();
}
-#ifdef WITH_WARNINGS
-#warning Look is this correct?
-#endif
+
int const labeladdon = int(font_metrics::maxHeight(font) * layout->spacing.getValue() * spacing_val);
int const maxdesc = int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
x = width_ - leftMargin() -
font_metrics::width(str, font);
}
-
+
pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
} else {
if (is_rtl) {
if (!par_.getLabelstring().empty()) {
string const str = par_.getLabelstring();
double spacing_val = 1.0;
- if (!parparams.spacing().isDefault()) {
+ if (!parparams.spacing().isDefault())
spacing_val = parparams.spacing().getValue();
- } else {
+ else
spacing_val = buffer.params().spacing().getValue();
- }
+
+ int const labeladdon = int(font_metrics::maxHeight(font) * layout->spacing.getValue() * spacing_val);
int maxdesc =
int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
double x = x_;
if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
- x = ((is_rtl ? leftMargin() : x_)
- + width_ - text_.rightMargin(par_)) / 2;
+ if (is_rtl)
+ x = leftMargin();
+ x += (width_ - text_.rightMargin(par_) - leftMargin()) / 2;
x -= font_metrics::width(str, font) / 2;
} else if (is_rtl) {
x = width_ - leftMargin() -
font_metrics::width(str, font);
}
- pain_.text(int(x), yo_ - maxdesc, str, font);
+ pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
}
}
}
bool is_struckout = false;
int last_strikeout_x = 0;
+ // Use font span to speed things up, see below
+ FontSpan font_span;
+ LyXFont font;
+
for (pos_type vpos = row_.pos(); vpos < end; ) {
if (x_ > bv_.workWidth())
break;
continue;
}
- const int width_pos = singleWidth(pos);
+ // Use font span to speed things up, see above
+ if (vpos < font_span.first || vpos > font_span.last) {
+ font_span = par_.fontSpan(vpos);
+ font = text_.getFont(par_, vpos);
+ }
+
+ const int width_pos =
+ text_.singleWidth(par_, pos, par_.getChar(pos), font);
+
if (x_ + width_pos < 0) {
x_ += width_pos;
++vpos;
bool const highly_editable_inset = par_.isInset(pos)
&& isHighlyEditableInset(par_.getInset(pos));
- // if we reach the end of a struck out range, paint it
- // we also don't paint across things like tables
+ // If we reach the end of a struck out range, paint it.
+ // We also don't paint across things like tables
if (running_strikeout && (highly_editable_inset || !is_struckout)) {
- // calculate 1/3 height of the buffer's default font
+ // Calculate 1/3 height of the buffer's default font
int const middle =
yo_ - font_metrics::maxAscent(text_.defaultfont_) / 3;
pain_.line(last_strikeout_x, middle, int(x_), middle,
}
+lyx::size_type calculateRowSignature(Row const & row, Paragraph const & par)
+{
+ boost::crc_32_type crc;
+ for (lyx::pos_type i = row.pos(); i < row.endpos(); ++i) {
+ const unsigned char b[] = { par.getChar(i) };
+ crc.process_bytes(b, 1);
+ }
+ return crc.checksum();
+}
+
+
+bool isCursorOnRow(PainterInfo & pi, pit_type pit, RowList::const_iterator rit)
+{
+ LCursor & cur = pi.base.bv->cursor();
+ for (lyx::size_type d = 0; d < cur.depth(); d++)
+ if (cur[d].pit() == pit
+ && cur[d].pos() >= rit->pos()
+ && cur[d].pos() <= rit->endpos())
+ return true;
+ return false;
+}
+
+
void paintPar
- (PainterInfo & pi, LyXText const & text, pit_type pit, int x, int y)
+ (PainterInfo & pi, LyXText const & text, pit_type pit, int x, int y,
+ bool repaintAll)
{
// lyxerr << " paintPar: pit: " << pit << " at y: " << y << endl;
static NullPainter nop;
static PainterInfo nullpi(pi.base.bv, nop);
int const ww = pi.base.bv->workHeight();
- Paragraph & par = text.paragraphs()[pit];
+ Paragraph const & par = text.paragraphs()[pit];
RowList::const_iterator const rb = par.rows().begin();
RowList::const_iterator const re = par.rows().end();
theCoords.parPos()[&text][pit] = Point(x, y);
y -= rb->ascent();
- for (RowList::const_iterator rit = rb; rit != re; ++rit) {
+ lyx::size_type rowno(0);
+ for (RowList::const_iterator rit = rb; rit != re; ++rit, ++rowno) {
y += rit->ascent();
- bool const inside = (y + rit->descent() >= 0
- && y - rit->ascent() < ww);
- RowPainter rp(inside ? pi : nullpi, text, pit, *rit, x, y);
+ // Row signature; has row changed since last paint?
+ lyx::size_type const row_sig = calculateRowSignature(*rit, par);
+
+ bool cursor_on_row = isCursorOnRow(pi, pit, rit);
+
+ // If selection is on, the current row signature differs from
+ // from cache, or cursor is inside an inset _on this row_,
+ // then paint the row
+ if (repaintAll || par.rowSignature()[rowno] != row_sig
+ || cursor_on_row) {
+ // Add to row signature cache
+ par.rowSignature()[rowno] = row_sig;
+
+ bool const inside = (y + rit->descent() >= 0
+ && y - rit->ascent() < ww);
+ RowPainter rp(inside ? pi : nullpi, text, pit, *rit, x, y);
+ // Clear background of this row
+ // (if paragraph background was not cleared)
+ if (!repaintAll) {
+ pi.pain.fillRectangle(x, y - rit->ascent(),
+ pi.base.bv->workWidth(), rit->height(),
+ text.backgroundColor());
+ }
+
+ // Instrumentation for testing row cache (see also
+ // 12 lines lower):
+ //lyxerr << "#";
+ rp.paintAppendix();
+ rp.paintDepthBar();
+ rp.paintChangeBar();
+ if (rit == rb)
+ rp.paintFirst();
+ if (rit + 1 == re)
+ rp.paintLast();
+ rp.paintText();
+ }
y += rit->descent();
- rp.paintAppendix();
- rp.paintDepthBar();
- rp.paintChangeBar();
- if (rit == rb)
- rp.paintFirst();
- if (rit + 1 == re)
- rp.paintLast();
- rp.paintText();
}
+ //lyxerr << "." << endl;
}
} // namespace anon
{
Painter & pain = bv.painter();
LyXText * const text = bv.text();
+ bool const select = bv.cursor().selection();
- // clear background
- pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
- LColor::background);
-
- // draw selection
PainterInfo pi(const_cast<BufferView *>(&bv), pain);
-
- text->drawSelection(pi, 0, 0);
+ if (select || !vi.singlepar) {
+ // Clear background (Delegated to rows if no selection)
+ pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
+ text->backgroundColor());
+ }
+ if (select) {
+ text->drawSelection(pi, 0, 0);
+ }
int yy = vi.y1;
// draw contents
for (pit_type pit = vi.p1; pit <= vi.p2; ++pit) {
- yy += text->getPar(pit).ascent();
- paintPar(pi, *bv.text(), pit, 0, yy);
- yy += text->getPar(pit).descent();
+ Paragraph const & par = text->getPar(pit);
+ yy += par.ascent();
+ paintPar(pi, *bv.text(), pit, 0, yy, select || !vi.singlepar);
+ yy += par.descent();
}
+ // Cache one paragraph above and one below
+ // Note MV: this cannot be suppressed even for singlepar.
+ // Try viewing the User Guide Mobius figure
- // paint one paragraph above and one below
if (vi.p1 > 0) {
text->redoParagraph(vi.p1 - 1);
- paintPar(pi, *bv.text(), vi.p1 - 1, 0,
- vi.y1 - text->getPar(vi.p1 - 1).descent());
+ theCoords.parPos()[bv.text()][vi.p1 - 1] =
+ Point(0, vi.y1 - text->getPar(vi.p1 - 1).descent());
}
if (vi.p2 < lyx::pit_type(text->paragraphs().size()) - 1) {
text->redoParagraph(vi.p2 + 1);
- paintPar(pi, *bv.text(), vi.p2 + 1, 0,
- vi.y2 + text->getPar(vi.p2 + 1).ascent());
+ theCoords.parPos()[bv.text()][vi.p2 + 1] =
+ Point(0, vi.y2 + text->getPar(vi.p2 + 1).ascent());
}
// and grey out above (should not happen later)
// lyxerr << "par ascent: " << text->getPar(vi.p1).ascent() << endl;
- if (vi.y1 > 0)
+ if (vi.y1 > 0 && !vi.singlepar)
pain.fillRectangle(0, 0, bv.workWidth(), vi.y1, LColor::bottomarea);
// and possibly grey out below
// lyxerr << "par descent: " << text->getPar(vi.p1).ascent() << endl;
- if (vi.y2 < bv.workHeight())
+ if (vi.y2 < bv.workHeight() && !vi.singlepar)
pain.fillRectangle(0, vi.y2, bv.workWidth(), bv.workHeight() - vi.y2, LColor::bottomarea);
}
y -= text.getPar(0).ascent();
for (int pit = 0; pit < int(text.paragraphs().size()); ++pit) {
y += text.getPar(pit).ascent();
- paintPar(pi, text, pit, x, y);
+ paintPar(pi, text, pit, x, y, true);
y += text.getPar(pit).descent();
}
}
projects / lyx.git / blobdiff