#include "rowpainter.h"
#include "buffer.h"
+#include "coordcache.h"
#include "cursor.h"
#include "debug.h"
#include "bufferparams.h"
#include "vspace.h"
#include "frontends/font_metrics.h"
+#include "frontends/nullpainter.h"
#include "frontends/Painter.h"
#include "insets/insettext.h"
#include "support/textutils.h"
+#include <boost/crc.hpp>
using lyx::pos_type;
+using lyx::pit_type;
+
+using std::endl;
using std::max;
+using std::min;
using std::string;
-extern int PAPER_MARGIN;
-extern int CHANGEBAR_MARGIN;
-extern int LEFT_MARGIN;
namespace {
-// "temporary". We'll never get to use more
-// references until we start adding hacks like
-// these until other places catch up.
-BufferView * perv(BufferView const & bv)
-{
- return const_cast<BufferView *>(&bv);
-}
-
/**
* A class used for painting an individual row of text.
*/
class RowPainter {
public:
- /// initialise painter
- RowPainter(BufferView const & bv, LyXText const & text,
- ParagraphList::iterator pit,
- RowList::iterator rit, int y_offset, int x_offset, int y);
+ /// initialise and run painter
+ RowPainter(PainterInfo & pi, LyXText const & text,
+ pit_type pit, Row const & row, int x, int y);
- /// do the painting
- void paint();
-private:
// paint various parts
- void paintBackground();
- void paintSelection();
void paintAppendix();
void paintDepthBar();
void paintChangeBar();
void paintFirst();
void paintLast();
- 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);
- int paintAppendixStart(int y);
- int paintLengthMarker(string const & prefix, VSpace const & vsp, int start);
void paintText();
+
+private:
+ void paintForeignMark(double orig_x, LyXFont const & font, int desc = 0);
+ 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 const & pars_;
/// The row to paint
- RowList::iterator const rit_;
- Row & row_;
+ Row const & row_;
/// Row's paragraph
- mutable ParagraphList::iterator pit_;
+ pit_type const pit_;
+ Paragraph const & par_;
+
+ /// is row erased? (change tracking)
+ bool erased_;
// Looks ugly - is
- double xo_;
- int yo_;
+ double const xo_;
+ int const yo_; // current baseline
double x_;
- int y_;
int width_;
double separator_;
double hfill_;
};
-RowPainter::RowPainter(BufferView const & bv, LyXText const & text,
- ParagraphList::iterator pit, RowList::iterator rit,
- int y_offset, int x_offset, int y)
- : bv_(bv), pain_(bv_.painter()), text_(text), rit_(rit), row_(*rit),
- pit_(pit), xo_(x_offset), yo_(y_offset),
- x_(row_.x()), y_(y),
- width_(text_.workWidth()),
- separator_(row_.fill_separator()),
- hfill_(row_.fill_hfill()),
- label_hfill_(row_.fill_label_hfill())
-{}
-
-
-/// "temporary"
-LyXFont const RowPainter::getFont(pos_type pos) const
+RowPainter::RowPainter(PainterInfo & pi,
+ 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())
{
- return text_.getFont(pit_, pos);
-}
+ RowMetrics m = text_.computeRowMetrics(pit, row_);
+ x_ = m.x + xo_;
+ //lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
+ //row_.dump();
-int RowPainter::singleWidth(lyx::pos_type pos) const
-{
- return text_.singleWidth(pit_, pos);
-}
+ separator_ = m.separator;
+ hfill_ = m.hfill;
+ label_hfill_ = m.label_hfill;
-
-int RowPainter::singleWidth(lyx::pos_type pos, char c) const
-{
- LyXFont const & font = text_.getFont(pit_, pos);
- return text_.singleWidth(pit_, pos, c, font);
+ BOOST_ASSERT(pit >= 0);
+ BOOST_ASSERT(pit < int(text.paragraphs().size()));
}
LyXFont const RowPainter::getLabelFont() const
{
- return text_.getLabelFont(pit_);
+ return text_.getLabelFont(par_);
}
int RowPainter::leftMargin() const
{
- return text_.leftMargin(pit_, row_);
+ return text_.leftMargin(pit_, row_.pos());
}
-void RowPainter::paintInset(pos_type const pos)
+bool isTrueTextInset(InsetBase * in)
{
- InsetOld * inset = const_cast<InsetOld*>(pit_->getInset(pos));
+ // Math and tabular insets have isTextInset = true, though they are
+ // not derived from InsetText. Paint them fully
+ return (in && in->isTextInset() && in->asMathInset() == 0
+ && in->lyxCode() != InsetBase::TABULAR_CODE);
+}
- BOOST_ASSERT(inset);
- PainterInfo pi(perv(bv_));
- pi.base.font = getFont(pos);
- inset->draw(pi, int(x_), yo_ + row_.baseline());
+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_);
+ // FIXME: We should always use font, see documentation of
+ // noFontChange() in insetbase.h.
+ pi.base.font = inset->noFontChange() ?
+ bv_.buffer()->params().getFont() :
+ font;
+ pi.ltr_pos = (text_.bidi.level(pos) % 2 == 0);
+ pi.erased_ = erased_ || isDeletedText(par_, pos);
+ theCoords.insets().add(inset, int(x_), yo_);
+ InsetBase * in = const_cast<InsetBase *>(inset);
+ // non-wide insets are painted completely. Recursive
+ bool tmp = bv_.repaintAll();
+ if (!isTrueTextInset(in) || !static_cast<InsetText*>(in)->Wide())
+ bv_.repaintAll(true);
+ if (bv_.repaintAll())
+ inset->drawSelection(pi, int(x_), yo_);
+ inset->draw(pi, int(x_), yo_);
+ bv_.repaintAll(tmp);
x_ += inset->width();
}
-void RowPainter::paintHebrewComposeChar(pos_type & vpos)
+void RowPainter::paintHebrewComposeChar(pos_type & vpos, LyXFont const & font)
{
pos_type pos = text_.bidi.vis2log(vpos);
string str;
// first char
- char c = pit_->getChar(pos);
+ char c = par_.getChar(pos);
str += c;
++vpos;
- LyXFont const & font = getFont(pos);
int const width = font_metrics::width(c, font);
int dx = 0;
for (pos_type i = pos - 1; i >= 0; --i) {
- c = pit_->getChar(i);
+ 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
}
// Draw nikud
- pain_.text(int(x_) + dx, yo_ + row_.baseline(), str, font);
+ pain_.text(int(x_) + dx, yo_, str, font);
}
-void RowPainter::paintArabicComposeChar(pos_type & vpos)
+void RowPainter::paintArabicComposeChar(pos_type & vpos, LyXFont const & font)
{
pos_type pos = text_.bidi.vis2log(vpos);
string str;
// first char
- char c = pit_->getChar(pos);
- c = pit_->transformChar(c, pos);
- str +=c;
+ char c = par_.getChar(pos);
+ c = par_.transformChar(c, pos);
+ str += c;
++vpos;
- LyXFont const & font = getFont(pos);
int const width = font_metrics::width(c, font);
int dx = 0;
for (pos_type i = pos - 1; i >= 0; --i) {
- c = pit_->getChar(i);
+ 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;
}
}
// Draw nikud
- pain_.text(int(x_) + dx, yo_ + row_.baseline(), str, font);
+ pain_.text(int(x_) + dx, yo_, str, font);
}
-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 += pit_->getChar(pos);
+ str += par_.getChar(pos);
if (arabic) {
unsigned char c = str[0];
- str[0] = pit_->transformChar(c, pos);
+ str[0] = par_.transformChar(c, pos);
}
- bool prev_struckout = isDeletedText(*pit_, pos);
- bool prev_newtext = isInsertedText(*pit_, pos);
-
// collect as much similar chars as we can
- for (++vpos; vpos < end && (pos = text_.bidi.vis2log(vpos)) >= 0; ++vpos) {
- char c = pit_->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(*pit_, pos))
+ if (prev_change != par_.lookupChange(pos))
break;
- if (prev_newtext != isInsertedText(*pit_, 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 = pit_->transformChar(c, pos);
+ 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_ << " baseline: " << row_.baseline()
- // << "\n";
- pain_.text(int(x_), yo_ + row_.baseline(), str, orig_font);
- x_ += font_metrics::width(str, orig_font);
+ //lyxerr << "paint row: yo_ " << yo_ << "\n";
+ 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, int desc)
{
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_ + row_.baseline() + 1;
+ int const y = yo_ + 1 + desc;
pain_.line(int(orig_x), y, int(x_), y, LColor::language);
}
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);
double const orig_x = x_;
- char const c = pit_->getChar(pos);
-
- if (c == Paragraph::META_INSET) {
- paintInset(pos);
+ if (par_.isInset(pos)) {
+ paintInset(pos, orig_font);
++vpos;
- paintForeignMark(orig_x, orig_font);
+ paintForeignMark(orig_x, orig_font,
+ par_.getInset(pos)->descent());
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);
-
- return;
-}
-
-
-void RowPainter::paintBackground()
-{
- int const x = int(xo_);
- int const y = yo_ < 0 ? 0 : yo_;
- int const h = yo_ < 0 ? row_.height() + yo_ : row_.height();
- pain_.fillRectangle(x, y, width_, h, text_.backgroundColor());
-}
-
-
-void RowPainter::paintSelection()
-{
- bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
-
- // the current selection
- int const startx = text_.selection.start.x();
- int const endx = text_.selection.end.x();
- int const starty = text_.selection.start.y();
- int const endy = text_.selection.end.y();
- ParagraphList::iterator startpit = text_.getPar(text_.selection.start);
- ParagraphList::iterator endpit = text_.getPar(text_.selection.end);
- RowList::iterator startrow = startpit->getRow(text_.selection.start.pos());
- RowList::iterator endrow = endpit->getRow(text_.selection.end.pos());
- int const h = row_.height();
-
- int const row_y = pit_->y + row_.y_offset();
-
- if (text_.bidi.same_direction()) {
- int x;
- int y = yo_;
- int w;
- if (startrow == rit_ && endrow == rit_) {
- if (startx < endx) {
- x = int(xo_) + startx;
- w = endx - startx;
- } else {
- x = int(xo_) + endx;
- w = startx - endx;
- }
- pain_.fillRectangle(x, y, w, h, LColor::selection);
- } else if (startrow == rit_) {
- int const x = is_rtl ? int(xo_) : int(xo_ + startx);
- int const w = is_rtl ? startx : (width_ - startx);
- pain_.fillRectangle(x, y, w, h, LColor::selection);
- } else if (endrow == rit_) {
- int const x = is_rtl ? int(xo_ + endx) : int(xo_);
- int const w = is_rtl ? (width_ - endx) : endx;
- pain_.fillRectangle(x, y, w, h, LColor::selection);
- } else if (row_y > starty && row_y < endy) {
-
- pain_.fillRectangle(int(xo_), y, width_, h, LColor::selection);
- }
- return;
- }
-
- if (startrow != rit_ && endrow != rit_) {
- if (y_ > starty && y_ < endy) {
- int w = width_;
- pain_.fillRectangle(int(xo_), yo_, w, h, LColor::selection);
- }
- return;
- }
-
- if ((startrow != rit_ && !is_rtl) || (endrow != rit_ && is_rtl))
- pain_.fillRectangle(int(xo_), yo_,
- int(x_), h, LColor::selection);
-
- pos_type const body_pos = pit_->beginOfBody();
- pos_type const end = row_.endpos();
- double tmpx = x_;
-
- for (pos_type vpos = row_.pos(); vpos < end; ++vpos) {
- pos_type pos = text_.bidi.vis2log(vpos);
- double const old_tmpx = tmpx;
- if (body_pos > 0 && pos == body_pos - 1) {
- LyXLayout_ptr const & layout = pit_->layout();
- LyXFont const lfont = getLabelFont();
-
- tmpx += label_hfill_ + font_metrics::width(layout->labelsep, lfont);
-
- if (pit_->isLineSeparator(body_pos - 1))
- tmpx -= singleWidth(body_pos - 1);
- }
-
- tmpx += singleWidth(pos);
-
- if (hfillExpansion(*pit_, row_, pos)) {
- if (pos >= body_pos)
- tmpx += hfill_;
- else
- tmpx += label_hfill_;
- } else {
- if (pit_->isSeparator(pos) && pos >= body_pos)
- tmpx += separator_;
- }
-
- if ((startrow != rit_ || text_.selection.start.pos() <= pos) &&
- (endrow != rit_ || pos < text_.selection.end.pos())) {
- // Here we do not use x_ as xo_ was added to x_.
- pain_.fillRectangle(int(old_tmpx), yo_,
- int(tmpx - old_tmpx + 1), h, LColor::selection);
- }
- }
-
- if ((startrow != rit_ && is_rtl) || (endrow != rit_ && !is_rtl)) {
- pain_.fillRectangle(int(xo_ + tmpx),
- yo_, int(bv_.workWidth() - tmpx), h, LColor::selection);
- }
}
pos_type const start = row_.pos();
pos_type const end = row_.endpos();
- if (start == end || !pit_->isChanged(start, end - 1))
+ if (start == end || !par_.isChanged(start, end))
return;
int const height = text_.isLastRow(pit_, row_)
- ? row_.baseline()
- : row_.height() + boost::next(rit_)->top_of_text();
+ ? row_.ascent()
+ : row_.height();
- pain_.fillRectangle(4, yo_, 5, height, LColor::changebar);
+ pain_.fillRectangle(4, yo_ - row_.ascent(), 5, height, LColor::changebar);
}
void RowPainter::paintAppendix()
{
- if (!pit_->params().appendix())
+ if (!par_.params().appendix())
return;
- // FIXME: can be just width_ ?
- int const ww = bv_.workWidth();
+ int y = yo_ - row_.ascent();
- int y = yo_;
-
- if (pit_->params().startOfAppendix())
+ if (par_.params().startOfAppendix())
y += 2 * defaultRowHeight();
pain_.line(1, y, 1, yo_ + row_.height(), LColor::appendix);
- pain_.line(ww - 2, y, ww - 2, yo_ + row_.height(), LColor::appendix);
+ pain_.line(width_ - 2, y, width_ - 2, yo_ + row_.height(), LColor::appendix);
}
void RowPainter::paintDepthBar()
{
- Paragraph::depth_type const depth = pit_->getDepth();
+ Paragraph::depth_type const depth = par_.getDepth();
if (depth <= 0)
return;
Paragraph::depth_type prev_depth = 0;
if (!text_.isFirstRow(pit_, row_)) {
- ParagraphList::iterator pit2 = pit_;
+ pit_type pit2 = pit_;
if (row_.pos() == 0)
--pit2;
- prev_depth = pit2->getDepth();
+ prev_depth = pars_[pit2].getDepth();
}
Paragraph::depth_type next_depth = 0;
if (!text_.isLastRow(pit_, row_)) {
- ParagraphList::iterator pit2 = pit_;
- if (row_.endpos() >= pit2->size())
+ pit_type pit2 = pit_;
+ if (row_.endpos() >= pars_[pit2].size())
++pit2;
- next_depth = pit2->getDepth();
+ next_depth = pars_[pit2].getDepth();
}
for (Paragraph::depth_type i = 1; i <= depth; ++i) {
- int const w = PAPER_MARGIN / 5;
- int x = int(w * i + xo_);
- // only consider the changebar space if we're drawing outer left
- if (xo_ == 0)
- x += CHANGEBAR_MARGIN;
- int const h = yo_ + row_.height() - 1 - (i - next_depth - 1) * 3;
+ int const w = nestMargin() / 5;
+ int x = int(xo_) + w * i;
+ // only consider the changebar space if we're drawing outermost text
+ if (text_.isMainText())
+ x += changebarMargin();
+
+ int const starty = yo_ - row_.ascent();
+ int const h = row_.height() - 1 - (i - next_depth - 1) * 3;
- pain_.line(x, yo_, x, h, LColor::depthbar);
+ pain_.line(x, starty, x, starty + h, LColor::depthbar);
if (i > prev_depth)
- pain_.fillRectangle(x, yo_, w, 2, LColor::depthbar);
+ pain_.fillRectangle(x, starty, w, 2, LColor::depthbar);
if (i > next_depth)
- pain_.fillRectangle(x, h, w, 2, LColor::depthbar);
- }
-}
-
-
-int RowPainter::paintLengthMarker(string const & prefix, VSpace const & vsp,
- int start)
-{
- if (vsp.kind() == VSpace::NONE)
- return 0;
-
- int const arrow_size = 4;
- int const size = getLengthMarkerHeight(bv_, vsp);
- int const end = start + size;
-
- // the label to display (if any)
- string str;
- // y-values for top arrow
- int ty1, ty2;
- // y-values for bottom arrow
- int by1, by2;
-
- str = prefix + " (" + vsp.asLyXCommand() + ")";
-
- if (vsp.kind() == VSpace::VFILL) {
- ty1 = ty2 = start;
- by1 = by2 = end;
- } else {
- // adding or removing space
- bool const added = vsp.kind() != VSpace::LENGTH ||
- vsp.length().len().value() > 0.0;
- ty1 = added ? (start + arrow_size) : start;
- ty2 = added ? start : (start + arrow_size);
- by1 = added ? (end - arrow_size) : end;
- by2 = added ? end : (end - arrow_size);
+ pain_.fillRectangle(x, starty + h, w, 2, LColor::depthbar);
}
-
- int const leftx = int(xo_) + leftMargin();
- int const midx = leftx + arrow_size;
- int const rightx = midx + arrow_size;
-
- // first the string
- int w = 0;
- int a = 0;
- int d = 0;
-
- LyXFont font;
- font.setColor(LColor::added_space);
- font.decSize();
- font.decSize();
- font_metrics::rectText(str, font, w, a, d);
-
- pain_.rectText(leftx + 2 * arrow_size + 5,
- start + ((end - start) / 2) + d,
- str, font,
- LColor::none, LColor::none);
-
- // top arrow
- pain_.line(leftx, ty1, midx, ty2, LColor::added_space);
- pain_.line(midx, ty2, rightx, ty1, LColor::added_space);
-
- // bottom arrow
- pain_.line(leftx, by1, midx, by2, LColor::added_space);
- pain_.line(midx, by2, rightx, by1, LColor::added_space);
-
- // joining line
- pain_.line(midx, ty2, midx, by2, LColor::added_space);
-
- return size;
}
void RowPainter::paintFirst()
{
- ParagraphParameters const & parparams = pit_->params();
+ ParagraphParameters const & parparams = par_.params();
int y_top = 0;
// start of appendix?
if (parparams.startOfAppendix())
- y_top += paintAppendixStart(yo_ + y_top + 2 * defaultRowHeight());
-
- // the top margin
- if (text_.isFirstRow(pit_, row_) && !text_.isInInset())
- y_top += PAPER_MARGIN;
-
- // draw the additional space if needed:
- y_top += paintLengthMarker(_("Space above"), parparams.spaceTop(),
- yo_ + y_top);
+ y_top += paintAppendixStart(yo_ - row_.ascent() + 2 * defaultRowHeight());
Buffer const & buffer = *bv_.buffer();
- LyXLayout_ptr const & layout = pit_->layout();
+ LyXLayout_ptr const & layout = par_.layout();
if (buffer.params().paragraph_separation == BufferParams::PARSEP_SKIP) {
- if (pit_ != text_.ownerParagraphs().begin()) {
+ if (pit_ != 0) {
if (layout->latextype == LATEX_PARAGRAPH
- && !pit_->getDepth()) {
+ && !par_.getDepth()) {
y_top += buffer.params().getDefSkip().inPixels(bv_);
} else {
- LyXLayout_ptr const & playout =
- boost::prior(pit_)->layout();
+ LyXLayout_ptr const & playout = pars_[pit_ - 1].layout();
if (playout->latextype == LATEX_PARAGRAPH
- && !boost::prior(pit_)->getDepth()) {
+ && !pars_[pit_ - 1].getDepth()) {
// is it right to use defskip here, too? (AS)
y_top += buffer.params().getDefSkip().inPixels(bv_);
}
}
}
- int const ww = bv_.workWidth();
-
- bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
- bool const is_seq = isFirstInSequence(pit_, text_.ownerParagraphs());
- //lyxerr << "paintFirst: " << pit_->id() << " is_seq: " << is_seq << std::endl;
+ bool const is_rtl = text_.isRTL(par_);
+ bool const is_seq = isFirstInSequence(pit_, text_.paragraphs());
+ //lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << std::endl;
// should we print a label?
if (layout->labeltype >= LABEL_STATIC
|| layout->latextype != LATEX_ENVIRONMENT
|| is_seq)) {
- LyXFont font = getLabelFont();
- if (!pit_->getLabelstring().empty()) {
+ LyXFont const font = getLabelFont();
+ string const str = par_.getLabelstring();
+ if (!str.empty()) {
double x = x_;
- string const str = pit_->getLabelstring();
// this is special code for the chapter layout. This is
// printed in an extra row and has a pagebreak at
// the top.
if (layout->counter == "chapter") {
- if (buffer.params().secnumdepth >= 0) {
- float spacing_val = 1.0;
- if (!parparams.spacing().isDefault()) {
- spacing_val = parparams.spacing().getValue();
- } else {
- spacing_val = buffer.params().spacing().getValue();
- }
-
- int const maxdesc =
- int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
- + int(layout->parsep) * defaultRowHeight();
-
- if (is_rtl) {
- x = ww - leftMargin() -
- font_metrics::width(str, font);
- }
-
- pain_.text(int(x),
- yo_ + row_.baseline() -
- row_.ascent_of_text() - maxdesc,
- str, font);
+ double spacing_val = 1.0;
+ if (!parparams.spacing().isDefault()) {
+ spacing_val = parparams.spacing().getValue();
+ } else {
+ spacing_val = buffer.params().spacing().getValue();
+ }
+
+ 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)
+ + int(layout->parsep) * defaultRowHeight();
+
+ if (is_rtl) {
+ x = width_ - leftMargin() -
+ font_metrics::width(str, font);
}
+
+ pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
} else {
if (is_rtl) {
- x = ww - leftMargin()
+ x = width_ - leftMargin()
+ font_metrics::width(layout->labelsep, font);
} else {
x = x_ - font_metrics::width(layout->labelsep, font)
- font_metrics::width(str, font);
}
- pain_.text(int(x), yo_ + row_.baseline(), str, font);
+ pain_.text(int(x), yo_, str, font);
}
}
layout->labeltype == LABEL_BIBLIO ||
layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
LyXFont font = getLabelFont();
- if (!pit_->getLabelstring().empty()) {
- string const str = pit_->getLabelstring();
- float spacing_val = 1.0;
- if (!parparams.spacing().isDefault()) {
+ if (!par_.getLabelstring().empty()) {
+ string const str = par_.getLabelstring();
+ double spacing_val = 1.0;
+ 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_)
- + ww - text_.rightMargin(*pit_, *bv_.buffer())) / 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 = ww - leftMargin() -
+ x = width_ - leftMargin() -
font_metrics::width(str, font);
}
- pain_.text(int(x),
- yo_ + row_.baseline() - row_.ascent_of_text() - maxdesc,
- str, font);
+ pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
}
}
}
void RowPainter::paintLast()
{
- ParagraphParameters const & parparams = pit_->params();
- int y_bottom = row_.height() - 1;
-
- // the bottom margin
- if (text_.isLastRow(pit_, row_) && !text_.isInInset())
- y_bottom -= PAPER_MARGIN;
-
- int const ww = bv_.workWidth();
-
- // draw the additional space if needed:
- int const height = getLengthMarkerHeight(bv_, parparams.spaceBottom());
- y_bottom -= paintLengthMarker(_("Space below"), parparams.spaceBottom(),
- yo_ + y_bottom - height);
-
- bool const is_rtl = pit_->isRightToLeftPar(bv_.buffer()->params());
- int const endlabel = getEndLabel(pit_, text_.ownerParagraphs());
+ bool const is_rtl = text_.isRTL(par_);
+ int const endlabel = getEndLabel(pit_, text_.paragraphs());
// draw an endlabel
switch (endlabel) {
case END_LABEL_FILLED_BOX: {
LyXFont const font = getLabelFont();
int const size = int(0.75 * font_metrics::maxAscent(font));
- int const y = yo_ + row_.baseline() - size;
- int x = is_rtl ? LEFT_MARGIN : ww - PAPER_MARGIN - size;
+ int const y = yo_ - size;
+ int x = is_rtl ? nestMargin() + changebarMargin() : width_ - size;
- if (row_.fill() <= size)
- x += (size - row_.fill() + 1) * (is_rtl ? -1 : 1);
+ if (width_ - int(row_.width()) <= size)
+ x += (size - width_ + row_.width() + 1) * (is_rtl ? -1 : 1);
if (endlabel == END_LABEL_BOX)
pain_.rectangle(x, y, size, size, LColor::eolmarker);
case END_LABEL_STATIC: {
LyXFont font = getLabelFont();
- string const & str = pit_->layout()->endlabelstring();
+ string const & str = par_.layout()->endlabelstring();
double const x = is_rtl ?
x_ - font_metrics::width(str, font)
- : ww - text_.rightMargin(*pit_, *bv_.buffer()) - row_.fill();
- pain_.text(int(x), yo_ + row_.baseline(), str, font);
+ : - text_.rightMargin(par_) - row_.width();
+ pain_.text(int(x), yo_, str, font);
break;
}
void RowPainter::paintText()
{
pos_type const end = row_.endpos();
- pos_type body_pos = pit_->beginOfBody();
+ pos_type body_pos = par_.beginOfBody();
if (body_pos > 0 &&
- (body_pos > end || !pit_->isLineSeparator(body_pos - 1))) {
+ (body_pos > end || !par_.isLineSeparator(body_pos - 1))) {
body_pos = 0;
}
- LyXLayout_ptr const & layout = pit_->layout();
+ LyXLayout_ptr const & layout = par_.layout();
bool running_strikeout = false;
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;
- pos_type pos = text_.bidi.vis2log(vpos);
+ pos_type const pos = text_.bidi.vis2log(vpos);
- if (pos >= pit_->size()) {
+ if (pos >= par_.size()) {
++vpos;
continue;
}
- if (x_ + singleWidth(pos) < 0) {
- x_ += 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;
continue;
}
- is_struckout = isDeletedText(*pit_, pos);
+ is_struckout = isDeletedText(par_, pos);
if (is_struckout && !running_strikeout) {
running_strikeout = true;
last_strikeout_x = int(x_);
}
- bool const highly_editable_inset = pit_->isInset(pos)
- && isHighlyEditableInset(pit_->getInset(pos));
+ 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)) {
- int const middle = yo_ + (row_.baseline() + row_.top_of_text()) / 2;
+ // Calculate 1/3 height of the buffer's default font
+ int const middle =
+ yo_ -
+ font_metrics::maxAscent(bv_.buffer()->params().getFont()) / 3;
pain_.line(last_strikeout_x, middle, int(x_), middle,
LColor::strikeout, Painter::line_solid, Painter::line_thin);
running_strikeout = false;
int const lwidth = font_metrics::width(layout->labelsep,
getLabelFont());
- x_ += label_hfill_ + lwidth - singleWidth(body_pos - 1);
+ x_ += label_hfill_ + lwidth - width_pos;
}
- if (pit_->isHfill(pos)) {
+ if (par_.isHfill(pos)) {
x_ += 1;
- int const y0 = yo_ + row_.baseline();
+ int const y0 = yo_;
int const y1 = y0 - defaultRowHeight() / 2;
pain_.line(int(x_), y1, int(x_), y0, LColor::added_space);
- if (hfillExpansion(*pit_, row_, pos)) {
+ if (hfillExpansion(par_, row_, pos)) {
int const y2 = (y0 + y1) / 2;
if (pos >= body_pos) {
}
x_ += 2;
++vpos;
- } else if (pit_->isSeparator(pos)) {
- x_ += singleWidth(pos);
+ } else if (par_.isSeparator(pos)) {
+ x_ += width_pos;
if (pos >= body_pos)
x_ += separator_;
++vpos;
// if we reach the end of a struck out range, paint it
if (running_strikeout) {
- int const middle = yo_ + (row_.baseline() + row_.top_of_text()) / 2;
+ // calculate 1/3 height of the buffer's default font
+ int const middle =
+ yo_ -
+ font_metrics::maxAscent(bv_.buffer()->params().getFont()) / 3;
pain_.line(last_strikeout_x, middle, int(x_), middle,
LColor::strikeout, Painter::line_solid, Painter::line_thin);
running_strikeout = false;
}
-void RowPainter::paint()
+lyx::size_type calculateRowSignature(Row const & row, Paragraph const & par,
+ int x, int y)
{
- // FIXME: what is this fixing ?
- if (text_.isInInset() && x_ < 0)
- x_ = 0;
- x_ += xo_;
-
- // background has already been cleared.
- if (&text_ == bv_.text)
- paintBackground();
-
- // paint the selection background
- if (text_.selection.set() && &text_ == bv_.cursor().innerText())
- paintSelection();
-
- // vertical lines for appendix
- paintAppendix();
-
- // environment depth brackets
- paintDepthBar();
+ 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);
+ }
+ const unsigned char b[] = { x, y, row.width() };
+ crc.process_bytes(b, 3);
+ return crc.checksum();
+}
- // changebar
- paintChangeBar();
- if (row_.pos() == 0)
- paintFirst();
+bool CursorOnRow(PainterInfo & pi, pit_type const pit,
+ RowList::const_iterator rit, LyXText const & text)
+{
+ // Is there a cursor on this row (or inside inset on row)
+ LCursor & cur = pi.base.bv->cursor();
+ for (lyx::size_type d = 0; d < cur.depth(); d++) {
+ CursorSlice const & sl = cur[d];
+ if (sl.text() == &text
+ && sl.pit() == pit
+ && sl.pos() >= rit->pos()
+ && sl.pos() < rit->endpos())
+ return true;
+ }
+ return false;
+}
- if (row_.endpos() >= pit_->size())
- paintLast();
- // paint text
- paintText();
+bool innerCursorOnRow(PainterInfo & pi, pit_type pit,
+ RowList::const_iterator rit, LyXText const & text)
+{
+ // Is there a cursor inside an inset on this row, and is this inset
+ // the only "character" on this row
+ LCursor & cur = pi.base.bv->cursor();
+ if (rit->pos() + 1 != rit->endpos())
+ return false;
+ for (lyx::size_type d = 0; d < cur.depth(); d++) {
+ CursorSlice const & sl = cur[d];
+ if (sl.text() == &text
+ && sl.pit() == pit
+ && sl.pos() == rit->pos())
+ return d < cur.depth() - 1;
+ }
+ return false;
}
-int paintRows(BufferView const & bv, LyXText const & text,
- ParagraphList::iterator pit, RowList::iterator rit,
- int xo, int yo, int y)
+void paintPar
+ (PainterInfo & pi, LyXText const & text, pit_type pit, int x, int y,
+ bool repaintAll)
{
- //lyxerr << " paintRows: rit: " << &*rit << endl;
- int const y2 = bv.painter().paperHeight();
-
- ParagraphList::iterator end = text.ownerParagraphs().end();
- bool active = false;
-
- for ( ; pit != end; ++pit) {
- RowList::iterator row = pit->rows.begin();
- RowList::iterator rend = pit->rows.end();
-
- for ( ; row != rend; ++row) {
- if (row == rit)
- active = true;
- if (active) {
- RowPainter painter(bv, text, pit, row, y + yo, xo, y + bv.top_y());
- painter.paint();
- y += row->height();
- } else {
- //lyxerr << " paintRows: row: " << &*row << " ignored" << endl;
+// 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 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();
+ lyx::size_type rowno(0);
+ for (RowList::const_iterator rit = rb; rit != re; ++rit, ++rowno) {
+ y += rit->ascent();
+ // Allow setting of bv->repaintAll() for nested insets in
+ // this row only
+ bool tmp = pi.base.bv->repaintAll();
+
+ // Row signature; has row changed since last paint?
+ lyx::size_type const row_sig = calculateRowSignature(*rit, par, x, y);
+ bool row_has_changed = par.rowSignature()[rowno] != row_sig;
+
+ bool cursor_on_row = CursorOnRow(pi, pit, rit, text);
+ bool in_inset_alone_on_row = innerCursorOnRow(pi, pit, rit,
+ text);
+
+ // If this is the only object on the row, we can make it wide
+ for (pos_type i = rit->pos() ; i != rit->endpos(); ++i) {
+ InsetBase* in
+ = const_cast<InsetBase*>(par.getInset(i));
+ if (isTrueTextInset(in))
+ static_cast<InsetText*>(in)->Wide()
+ = in_inset_alone_on_row;
+ }
+
+ // If selection is on, the current row signature differs
+ // from cache, or cursor is inside an inset _on this row_,
+ // then paint the row
+ if (repaintAll || row_has_changed || 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 &&
+ (!in_inset_alone_on_row || row_has_changed)) {
+ pi.pain.fillRectangle(( rowno ? 0 : x - 10 ), y - rit->ascent(),
+ pi.base.bv->workWidth(), rit->height(),
+ text.backgroundColor());
+ // If outer row has changed, force nested
+ // insets to repaint completely
+ if (row_has_changed)
+ pi.base.bv->repaintAll(true);
}
+
+ // Instrumentation for testing row cache (see also
+ // 12 lines lower):
+ if (text.isMainText())
+ lyxerr[Debug::PAINTING] << "#";
+ else
+ lyxerr[Debug::PAINTING] << "[" <<
+ repaintAll << row_has_changed <<
+ cursor_on_row << "]";
+ rp.paintAppendix();
+ rp.paintDepthBar();
+ rp.paintChangeBar();
+ if (rit == rb)
+ rp.paintFirst();
+ if (rit + 1 == re)
+ rp.paintLast();
+ rp.paintText();
}
- if (yo + y >= y2)
- return y;
+ y += rit->descent();
+ // Restore, see above
+ pi.base.bv->repaintAll(tmp);
}
-
- return y;
+ lyxerr[Debug::PAINTING] << "." << endl;
}
} // namespace anon
-int paintText(BufferView & bv)
+void paintText(BufferView const & bv, ViewMetricsInfo const & vi)
{
- int const topy = bv.top_y();
- ParagraphList::iterator pit;
- RowList::iterator rit = bv.text->getRowNearY(topy, pit);
- int const y = pit->y + rit->y_offset() - topy;
- return paintRows(bv, *bv.text, pit, rit, 0, 0, y);
-}
+ Painter & pain = bv.painter();
+ LyXText * const text = bv.text();
+ bool const select = bv.cursor().selection();
+ PainterInfo pi(const_cast<BufferView *>(&bv), pain);
+ // Should the whole screen, including insets, be refreshed?
+ bool repaintAll(select || !vi.singlepar);
+
+ if (repaintAll) {
+ // Clear background (if not delegated to rows)
+ pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
+ text->backgroundColor());
+ }
+ if (select) {
+ text->drawSelection(pi, 0, 0);
+ }
-void paintTextInset(BufferView & bv, LyXText & text, int xo, int yo)
-{
- ParagraphList::iterator pit = text.ownerParagraphs().begin();
- paintRows(bv, text, pit, pit->rows.begin(), xo, yo, 0);
-}
+ int yy = vi.y1;
+ // draw contents
+ for (pit_type pit = vi.p1; pit <= vi.p2; ++pit) {
+ bv.repaintAll(repaintAll);
+ Paragraph const & par = text->getPar(pit);
+ yy += par.ascent();
+ paintPar(pi, *bv.text(), pit, 0, yy, repaintAll);
+ 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
-int getLengthMarkerHeight(BufferView const & bv, VSpace const & vsp)
-{
- if (vsp.kind() == VSpace::NONE)
- return 0;
+ if (vi.p1 > 0) {
+ text->redoParagraph(vi.p1 - 1);
+ theCoords.parPos()[bv.text()][vi.p1 - 1] =
+ Point(0, vi.y1 - text->getPar(vi.p1 - 1).descent());
+ }
- int const arrow_size = 4;
- int const space_size = vsp.inPixels(bv);
+ if (vi.p2 < lyx::pit_type(text->paragraphs().size()) - 1) {
+ text->redoParagraph(vi.p2 + 1);
+ theCoords.parPos()[bv.text()][vi.p2 + 1] =
+ Point(0, vi.y2 + text->getPar(vi.p2 + 1).ascent());
+ }
- LyXFont font;
- font.decSize();
- int const min_size = max(3 * arrow_size, font_metrics::maxHeight(font));
+ // and grey out above (should not happen later)
+// lyxerr << "par ascent: " << text->getPar(vi.p1).ascent() << endl;
+ if (vi.y1 > 0 && !vi.singlepar)
+ pain.fillRectangle(0, 0, bv.workWidth(), vi.y1, LColor::bottomarea);
- if (vsp.length().len().value() < 0.0)
- return min_size;
- else
- return max(min_size, space_size);
+ // and possibly grey out below
+// lyxerr << "par descent: " << text->getPar(vi.p1).ascent() << endl;
+ if (vi.y2 < bv.workHeight() && !vi.singlepar)
+ pain.fillRectangle(0, vi.y2, bv.workWidth(), bv.workHeight() - vi.y2, LColor::bottomarea);
+}
+
+
+void paintTextInset(LyXText const & text, PainterInfo & pi, int x, int y)
+{
+// lyxerr << " paintTextInset: y: " << y << endl;
+
+ y -= text.getPar(0).ascent();
+ // This flag can not be set from within same inset:
+ bool repaintAll = pi.base.bv->repaintAll();
+ for (int pit = 0; pit < int(text.paragraphs().size()); ++pit) {
+ y += text.getPar(pit).ascent();
+ paintPar(pi, text, pit, x, y, repaintAll);
+ y += text.getPar(pit).descent();
+ }
}