#include "LColor.h"
#include "lyxrc.h"
#include "lyxrow.h"
-#include "lyxrow_funcs.h"
#include "metricsinfo.h"
#include "paragraph.h"
+#include "ParagraphMetrics.h"
#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
+#include "TextMetrics.h"
#include "vspace.h"
-#include "frontends/font_metrics.h"
-#include "frontends/nullpainter.h"
+#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
#include "insets/insettext.h"
#include "support/textutils.h"
-using lyx::pos_type;
-using lyx::pit_type;
+#include <boost/crc.hpp>
+
+
+namespace lyx {
+
+using frontend::Painter;
+using frontend::FontMetrics;
using std::endl;
using std::max;
-using std::min;
using std::string;
namespace {
+/// Flag: do a full redraw of inside text of inset
+/// Working variable indicating a full screen refresh
+bool refreshInside;
+
/**
* A class used for painting an individual row of text.
*/
void paintFirst();
void paintLast();
void paintText();
+ int maxWidth() { return max_width_; }
private:
- 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);
+ void paintForeignMark(double orig_x, LyXFont const & font, int desc = 0);
+ void paintHebrewComposeChar(pos_type & vpos, LyXFont const & font);
+ void paintArabicComposeChar(pos_type & vpos, LyXFont const & font);
+ void paintChars(pos_type & vpos, LyXFont const & font,
+ bool hebrew, bool arabic);
int paintAppendixStart(int y);
- void paintFromPos(lyx::pos_type & vpos);
- void paintInset(lyx::pos_type const pos, LyXFont const & font);
+ void paintFromPos(pos_type & vpos);
+ void paintInset(pos_type const pos, LyXFont const & font);
/// return left margin
int leftMargin() const;
LyXFont const getLabelFont() const;
/// bufferview to paint on
- BufferView const & bv_;
+ BufferView & bv_;
/// Painter to use
Painter & pain_;
/// LyXText for the row
LyXText const & text_;
+ TextMetrics & text_metrics_;
ParagraphList const & pars_;
/// The row to paint
/// Row's paragraph
pit_type const pit_;
Paragraph const & par_;
+ ParagraphMetrics const & pm_;
+ int max_width_;
/// is row erased? (change tracking)
bool erased_;
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()),
+ : bv_(*pi.base.bv), pain_(pi.pain), text_(text),
+ text_metrics_(pi.base.bv->textMetrics(&text)),
+ pars_(text.paragraphs()),
row_(row), pit_(pit), par_(text.paragraphs()[pit]),
+ pm_(text_metrics_.parMetrics(pit)),
+ max_width_(bv_.workWidth()),
erased_(pi.erased_),
- xo_(x), yo_(y), width_(text_.width())
+ xo_(x), yo_(y), width_(text_metrics_.width())
{
- RowMetrics m = text_.computeRowMetrics(pit, row_);
+ RowMetrics m = text_metrics_.computeRowMetrics(pit_, row_);
x_ = m.x + xo_;
//lyxerr << "RowPainter: x: " << x_ << " xo: " << xo_ << " yo: " << yo_ << endl;
LyXFont const RowPainter::getLabelFont() const
{
- return text_.getLabelFont(par_);
+ return text_.getLabelFont(*bv_.buffer(), par_);
}
int RowPainter::leftMargin() const
{
- return text_.leftMargin(pit_, row_.pos());
+ return text_.leftMargin(*bv_.buffer(), max_width_, pit_, row_.pos());
}
+// If you want to debug inset metrics uncomment the following line:
+// #define DEBUG_METRICS
+// This draws green lines around each inset.
+
+
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 = font;
+ // 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_);
- inset->drawSelection(pi, int(x_), yo_);
+ pi.erased_ = erased_ || par_.isDeleted(pos);
+#ifdef DEBUG_METRICS
+ int const x1 = int(x_);
+#endif
+ bv_.coordCache().insets().add(inset, int(x_), yo_);
+ InsetText const * const in = inset->asTextInset();
+ // non-wide insets are painted completely. Recursive
+ bool tmp = refreshInside;
+ if (!in || !in->wide()) {
+ refreshInside = true;
+ LYXERR(Debug::PAINTING) << endl << "Paint inset fully" << endl;
+ }
+ if (refreshInside)
+ inset->drawSelection(pi, int(x_), yo_);
inset->draw(pi, int(x_), yo_);
+ refreshInside = tmp;
x_ += inset->width();
+#ifdef DEBUG_METRICS
+ Dimension dim;
+ BOOST_ASSERT(max_witdh_ > 0);
+ int right_margin = text_metrics_.rightMargin(pm_);
+ int const w = max_witdh_ - leftMargin() - right_margin;
+ MetricsInfo mi(&bv_, font, w);
+ inset->metrics(mi, dim);
+ if (inset->width() > dim.wid)
+ lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
+ << " draw width " << inset->width()
+ << "> metrics width " << dim.wid << "." << std::endl;
+ if (inset->ascent() > dim.asc)
+ lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
+ << " draw ascent " << inset->ascent()
+ << "> metrics ascent " << dim.asc << "." << std::endl;
+ if (inset->descent() > dim.des)
+ lyxerr << "Error: inset " << to_ascii(inset->getInsetName())
+ << " draw ascent " << inset->descent()
+ << "> metrics descent " << dim.des << "." << std::endl;
+ BOOST_ASSERT(inset->width() <= dim.wid);
+ BOOST_ASSERT(inset->ascent() <= dim.asc);
+ BOOST_ASSERT(inset->descent() <= dim.des);
+ int const x2 = x1 + dim.wid;
+ int const y1 = yo_ + dim.des;
+ int const y2 = yo_ - dim.asc;
+ pi.pain.line(x1, y1, x1, y2, LColor::green);
+ pi.pain.line(x1, y1, x2, y1, LColor::green);
+ pi.pain.line(x2, y1, x2, y2, LColor::green);
+ pi.pain.line(x1, y2, x2, y2, LColor::green);
+#endif
}
{
pos_type pos = text_.bidi.vis2log(vpos);
- string str;
+ docstring str;
// first char
- char c = par_.getChar(pos);
+ char_type c = par_.getChar(pos);
str += c;
++vpos;
- int const width = font_metrics::width(c, font);
+ int const width = theFontMetrics(font).width(c);
int dx = 0;
for (pos_type i = pos - 1; i >= 0; --i) {
c = par_.getChar(i);
- if (!Encodings::IsComposeChar_hebrew(c)) {
- if (IsPrintableNonspace(c)) {
- int const width2 =
- text_.singleWidth(par_, i, c, text_.getFont(par_, i));
- // dalet / resh
- dx = (c == 'ø' || c == 'ã')
+ if (!Encodings::isComposeChar_hebrew(c)) {
+ if (isPrintableNonspace(c)) {
+ int const width2 = text_.singleWidth(par_, i, c,
+ text_.getFont(*bv_.buffer(), par_, i));
+ dx = (c == 0x05e8 || // resh
+ c == 0x05d3) // dalet
? width2 - width
: (width2 - width) / 2;
}
void RowPainter::paintArabicComposeChar(pos_type & vpos, LyXFont const & font)
{
pos_type pos = text_.bidi.vis2log(vpos);
- string str;
+ docstring str;
// first char
- char c = par_.getChar(pos);
+ char_type c = par_.getChar(pos);
c = par_.transformChar(c, pos);
str += c;
++vpos;
- int const width = font_metrics::width(c, font);
+ int const width = theFontMetrics(font).width(c);
int dx = 0;
for (pos_type i = pos - 1; i >= 0; --i) {
c = par_.getChar(i);
- if (!Encodings::IsComposeChar_arabic(c)) {
- if (IsPrintableNonspace(c)) {
- int const width2 =
- text_.singleWidth(par_, i, c, text_.getFont(par_, i));
+ if (!Encodings::isComposeChar_arabic(c)) {
+ if (isPrintableNonspace(c)) {
+ int const width2 = text_.singleWidth(par_, i, c,
+ text_.getFont(*bv_.buffer(), par_, i));
dx = (width2 - width) / 2;
}
break;
}
-void RowPainter::paintChars(pos_type & vpos, LyXFont font,
+void RowPainter::paintChars(pos_type & vpos, LyXFont const & font,
bool hebrew, bool arabic)
{
+ // This method takes up 70% of time when typing
pos_type pos = text_.bidi.vis2log(vpos);
pos_type const end = row_.endpos();
FontSpan const font_span = par_.fontSpan(pos);
- Change::Type const prev_change = par_.lookupChange(pos);
+ Change::Type const prev_change = par_.lookupChange(pos).type;
// first character
- string str;
- str += par_.getChar(pos);
+ std::vector<char_type> str;
+ str.reserve(100);
+ str.push_back(par_.getChar(pos));
+
if (arabic) {
- unsigned char c = str[0];
+ char_type c = str[0];
str[0] = par_.transformChar(c, pos);
}
if (pos < font_span.first || pos > font_span.last)
break;
- if (prev_change != par_.lookupChange(pos))
+ if (prev_change != par_.lookupChange(pos).type)
break;
- char c = par_.getChar(pos);
+ char_type c = par_.getChar(pos);
+
+ if (!isPrintableNonspace(c))
+ break;
- if (!IsPrintableNonspace(c))
+ /* Because we do our own bidi, at this point the strings are
+ * already in visual order. However, Qt also applies its own
+ * bidi algorithm to strings that it paints to the screen.
+ * Therefore, if we were to paint Hebrew/Arabic words as a
+ * single string, the letters in the words would get reversed
+ * again. In order to avoid that, we don't collect Hebrew/
+ * Arabic characters, but rather paint them one at a time.
+ * See also http://thread.gmane.org/gmane.editors.lyx.devel/79740
+ */
+ if (hebrew)
break;
- if (arabic && Encodings::IsComposeChar_arabic(c))
+ /* FIXME: these checks are irrelevant, since 'arabic' and
+ * 'hebrew' alone are already going to trigger a break.
+ * However, this should not be removed completely, because
+ * if an alternative solution is found which allows grouping
+ * of arabic and hebrew characters, then these breaks may have
+ * to be re-applied.
+
+ if (arabic && Encodings::isComposeChar_arabic(c))
break;
- if (hebrew && Encodings::IsComposeChar_hebrew(c))
+ if (hebrew && Encodings::isComposeChar_hebrew(c))
break;
+ */
- if (arabic)
+ if (arabic) {
c = par_.transformChar(c, pos);
+ /* see comment in hebrew, explaining why we break */
+ break;
+ }
- str += c;
+ str.push_back(c);
}
- if (prev_change == Change::DELETED)
- font.setColor(LColor::strikeout);
- else if (prev_change == Change::INSERTED)
- font.setColor(LColor::newtext);
+ docstring s(&str[0], str.size());
- // Draw text and set the new x position
- //lyxerr << "paint row: yo_ " << yo_ << "\n";
- pain_.text(int(x_), yo_, str, font);
- x_ += font_metrics::width(str, font);
+ if (prev_change != Change::UNCHANGED) {
+ LyXFont copy(font);
+ if (prev_change == Change::DELETED) {
+ copy.setColor(LColor::strikeout);
+ } else if (prev_change == Change::INSERTED) {
+ copy.setColor(LColor::newtext);
+ }
+ x_ += pain_.text(int(x_), yo_, s, copy);
+ } else {
+ x_ += pain_.text(int(x_), yo_, s, font);
+ }
}
-void RowPainter::paintForeignMark(double orig_x, LyXFont const & font)
+void RowPainter::paintForeignMark(double orig_x, LyXFont const & font, int desc)
{
if (!lyxrc.mark_foreign_language)
return;
if (font.language() == bv_.buffer()->params().language)
return;
- int const y = yo_ + 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 orig_font = text_.getFont(par_, pos);
- text_.applyOuterFont(orig_font);
+ LyXFont orig_font = text_.getFont(*bv_.buffer(), par_, pos);
double const orig_x = x_;
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);
+ char_type const c = par_.getChar(pos);
// special case languages
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);
+ bool const arabic = lang == "arabic";
// draw as many chars as we can
if ((!hebrew && !arabic)
- || (hebrew && !Encodings::IsComposeChar_hebrew(c))
- || (arabic && !Encodings::IsComposeChar_arabic(c))) {
+ || (hebrew && !Encodings::isComposeChar_hebrew(c))
+ || (arabic && !Encodings::isComposeChar_arabic(c))) {
paintChars(vpos, orig_font, hebrew, arabic);
} else if (hebrew) {
paintHebrewComposeChar(vpos, orig_font);
void RowPainter::paintChangeBar()
{
pos_type const start = row_.pos();
- pos_type const end = row_.endpos();
+ pos_type end = row_.endpos();
+
+ if (par_.size() == end) {
+ // this is the last row of the paragraph;
+ // thus, we must also consider the imaginary end-of-par character
+ end++;
+ }
- if (start == end || !par_.isChanged(start, end - 1))
+ if (start == end || !par_.isChanged(start, end))
return;
int const height = text_.isLastRow(pit_, row_)
? row_.ascent()
: row_.height();
- pain_.fillRectangle(4, yo_ - row_.ascent(), 5, height, LColor::changebar);
+ pain_.fillRectangle(5, yo_ - row_.ascent(), 3, height, LColor::changebar);
}
void RowPainter::paintDepthBar()
{
- Paragraph::depth_type const depth = par_.getDepth();
+ depth_type const depth = par_.getDepth();
if (depth <= 0)
return;
- Paragraph::depth_type prev_depth = 0;
+ depth_type prev_depth = 0;
if (!text_.isFirstRow(pit_, row_)) {
pit_type pit2 = pit_;
if (row_.pos() == 0)
prev_depth = pars_[pit2].getDepth();
}
- Paragraph::depth_type next_depth = 0;
+ depth_type next_depth = 0;
if (!text_.isLastRow(pit_, row_)) {
pit_type pit2 = pit_;
if (row_.endpos() >= pars_[pit2].size())
next_depth = pars_[pit2].getDepth();
}
- for (Paragraph::depth_type i = 1; i <= depth; ++i) {
+ for (depth_type i = 1; i <= depth; ++i) {
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())
+ if (text_.isMainText(*bv_.buffer()))
x += changebarMargin();
int const starty = yo_ - row_.ascent();
pb_font.setColor(LColor::appendix);
pb_font.decSize();
- string const label = _("Appendix");
int w = 0;
int a = 0;
int d = 0;
- font_metrics::rectText(label, pb_font, w, a, d);
+
+ docstring const label = _("Appendix");
+ theFontMetrics(pb_font).rectText(label, w, a, d);
int const text_start = int(xo_ + (width_ - w) / 2);
int const text_end = text_start + w;
}
}
- bool const is_rtl = text_.isRTL(par_);
+ bool const is_rtl = text_.isRTL(buffer, par_);
bool const is_seq = isFirstInSequence(pit_, text_.paragraphs());
//lyxerr << "paintFirst: " << par_.id() << " is_seq: " << is_seq << std::endl;
|| is_seq)) {
LyXFont const font = getLabelFont();
- string const str = par_.getLabelstring();
+ FontMetrics const & fm = theFontMetrics(font);
+
+ docstring const str = par_.getLabelstring();
if (!str.empty()) {
double x = x_;
spacing_val = buffer.params().spacing().getValue();
}
- int const labeladdon = int(font_metrics::maxHeight(font) * layout->spacing.getValue() * spacing_val);
+ int const labeladdon = int(fm.maxHeight() * layout->spacing.getValue() * spacing_val);
- int const maxdesc = int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val)
+ int const maxdesc = int(fm.maxDescent() * layout->spacing.getValue() * spacing_val)
+ int(layout->parsep) * defaultRowHeight();
if (is_rtl) {
x = width_ - leftMargin() -
- font_metrics::width(str, font);
+ fm.width(str);
}
pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
} else {
+ // FIXME UNICODE
+ docstring lab = from_utf8(layout->labelsep);
if (is_rtl) {
x = width_ - leftMargin()
- + font_metrics::width(layout->labelsep, font);
+ + fm.width(lab);
} else {
- x = x_ - font_metrics::width(layout->labelsep, font)
- - font_metrics::width(str, font);
+ x = x_ - fm.width(lab)
+ - fm.width(str);
}
pain_.text(int(x), yo_, str, font);
layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)) {
LyXFont font = getLabelFont();
if (!par_.getLabelstring().empty()) {
- string const str = par_.getLabelstring();
+ docstring const str = par_.getLabelstring();
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);
+ FontMetrics const & fm = theFontMetrics(font);
+
+ int const labeladdon = int(fm.maxHeight()
+ * layout->spacing.getValue() * spacing_val);
int maxdesc =
- int(font_metrics::maxDescent(font) * layout->spacing.getValue() * spacing_val
+ int(fm.maxDescent() * layout->spacing.getValue() * spacing_val
+ (layout->labelbottomsep * defaultRowHeight()));
double x = x_;
if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
- x = ((is_rtl ? leftMargin() : x_)
- + width_ - text_.rightMargin(par_)) / 2;
- x -= font_metrics::width(str, font) / 2;
+ if (is_rtl)
+ x = leftMargin();
+ x += (width_ - text_metrics_.rightMargin(pm_) - leftMargin()) / 2;
+ x -= fm.width(str) / 2;
} else if (is_rtl) {
- x = width_ - leftMargin() -
- font_metrics::width(str, font);
+ x = width_ - leftMargin() - fm.width(str);
}
pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
}
void RowPainter::paintLast()
{
- bool const is_rtl = text_.isRTL(par_);
+ bool const is_rtl = text_.isRTL(*bv_.buffer(), par_);
int const endlabel = getEndLabel(pit_, text_.paragraphs());
+ // paint imaginary end-of-paragraph character
+
+ if (par_.isInserted(par_.size()) || par_.isDeleted(par_.size())) {
+ FontMetrics const & fm = theFontMetrics(bv_.buffer()->params().getFont());
+ int const length = fm.maxAscent() / 2;
+ LColor::color col = par_.isInserted(par_.size()) ? LColor::newtext : LColor::strikeout;
+
+ pain_.line(int(x_) + 1, yo_ + 2, int(x_) + 1, yo_ + 2 - length, col,
+ Painter::line_solid, Painter::line_thick);
+ pain_.line(int(x_) + 1 - length, yo_ + 2, int(x_) + 1, yo_ + 2, col,
+ Painter::line_solid, Painter::line_thick);
+ }
+
// draw an endlabel
+
switch (endlabel) {
case END_LABEL_BOX:
case END_LABEL_FILLED_BOX: {
LyXFont const font = getLabelFont();
- int const size = int(0.75 * font_metrics::maxAscent(font));
+ FontMetrics const & fm = theFontMetrics(font);
+ int const size = int(0.75 * fm.maxAscent());
int const y = yo_ - size;
int x = is_rtl ? nestMargin() + changebarMargin() : width_ - size;
case END_LABEL_STATIC: {
LyXFont font = getLabelFont();
- string const & str = par_.layout()->endlabelstring();
+ FontMetrics const & fm = theFontMetrics(font);
+ docstring const & str = par_.layout()->endlabelstring();
double const x = is_rtl ?
- x_ - font_metrics::width(str, font)
- : - text_.rightMargin(par_) - row_.width();
+ x_ - fm.width(str)
+ : - text_metrics_.rightMargin(pm_) - row_.width();
pain_.text(int(x), yo_, str, font);
break;
}
bool is_struckout = false;
int last_strikeout_x = 0;
- // Use font span to speed things up, see below
+ // Use font span to speed things up, see below
FontSpan font_span;
LyXFont font;
+ Buffer const & buffer = *bv_.buffer();
for (pos_type vpos = row_.pos(); vpos < end; ) {
if (x_ > bv_.workWidth())
// 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);
+ font = text_.getFont(buffer, par_, vpos);
}
const int width_pos =
continue;
}
- is_struckout = isDeletedText(par_, pos);
+ is_struckout = par_.isDeleted(pos);
if (is_struckout && !running_strikeout) {
running_strikeout = true;
// 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
- int const middle =
- yo_ - font_metrics::maxAscent(text_.defaultfont_) / 3;
+ FontMetrics const & fm
+ = theFontMetrics(bv_.buffer()->params().getFont());
+ int const middle = yo_ - fm.maxAscent() / 3;
pain_.line(last_strikeout_x, middle, int(x_), middle,
LColor::strikeout, Painter::line_solid, Painter::line_thin);
running_strikeout = false;
}
if (body_pos > 0 && pos == body_pos - 1) {
- int const lwidth = font_metrics::width(layout->labelsep,
- getLabelFont());
+ // FIXME UNICODE
+ int const lwidth = theFontMetrics(getLabelFont())
+ .width(from_utf8(layout->labelsep));
x_ += label_hfill_ + lwidth - width_pos;
}
pain_.line(int(x_), y1, int(x_), y0, LColor::added_space);
- if (hfillExpansion(par_, row_, pos)) {
+ if (par_.hfillExpansion(row_, pos)) {
int const y2 = (y0 + y1) / 2;
if (pos >= body_pos) {
// if we reach the end of a struck out range, paint it
if (running_strikeout) {
// calculate 1/3 height of the buffer's default font
- int const middle =
- yo_ - font_metrics::maxAscent(text_.defaultfont_) / 3;
+ FontMetrics const & fm
+ = theFontMetrics(bv_.buffer()->params().getFont());
+ int const middle = yo_ - fm.maxAscent() / 3;
pain_.line(last_strikeout_x, middle, int(x_), middle,
LColor::strikeout, Painter::line_solid, Painter::line_thin);
running_strikeout = false;
}
+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 (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;
+}
+
+
+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 (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;
+}
+
+
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();
+ pi.base.bv->coordCache().parPos()[&text][pit] = Point(x, y);
+
Paragraph const & par = text.paragraphs()[pit];
+ ParagraphMetrics const & pm = pi.base.bv->parMetrics(&text, pit);
+ if (pm.rows().empty())
+ return;
- RowList::const_iterator const rb = par.rows().begin();
- RowList::const_iterator const re = par.rows().end();
- theCoords.parPos()[&text][pit] = Point(x, y);
+ RowList::const_iterator const rb = pm.rows().begin();
+ RowList::const_iterator const re = pm.rows().end();
y -= rb->ascent();
- for (RowList::const_iterator rit = rb; rit != re; ++rit) {
+ 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);
+ // Allow setting of refreshInside for nested insets in
+ // this row only
+ bool tmp = refreshInside;
+
+ // Row signature; has row changed since last paint?
+ bool row_has_changed = pm.rowChangeStatus()[rowno];
+
+ bool cursor_on_row = CursorOnRow(pi, pit, rit, text);
+ bool in_inset_alone_on_row = innerCursorOnRow(pi, pit, rit,
+ text);
+ bool leftEdgeFixed =
+ (par.getAlign() == LYX_ALIGN_LEFT ||
+ par.getAlign() == LYX_ALIGN_BLOCK);
+
+ // If this is the only object on the row, we can make it wide
+ //
+ // FIXME: there is a const_cast here because paintPar() is not supposed
+ // to touch the paragraph contents. So either we move this "wide"
+ // property out of InsetText or we localize the feature to the painting
+ // done here.
+ for (pos_type i = rit->pos() ; i != rit->endpos(); ++i) {
+ InsetBase const * const in = par.getInset(i);
+ if (in) {
+ InsetText * t = const_cast<InsetText *>(in->asTextInset());
+ if (t)
+ t->setWide(in_inset_alone_on_row && leftEdgeFixed);
+ }
+ }
+ // 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) {
+ bool const inside = (y + rit->descent() >= 0
+ && y - rit->ascent() < ww);
+ // it is not needed to draw on screen if we are not inside.
+ pi.pain.setDrawingEnabled(inside);
+ RowPainter rp(pi, text, pit, *rit, x, y);
+ // Clear background of this row
+ // (if paragraph background was not cleared)
+ if (!repaintAll &&
+ (!(in_inset_alone_on_row && leftEdgeFixed)
+ || row_has_changed)) {
+ pi.pain.fillRectangle(x, y - rit->ascent(),
+ rp.maxWidth(), rit->height(),
+ text.backgroundColor());
+ // If outer row has changed, force nested
+ // insets to repaint completely
+ if (row_has_changed)
+ refreshInside = true;
+ }
+
+ // Instrumentation for testing row cache (see also
+ // 12 lines lower):
+ if (lyxerr.debugging(Debug::PAINTING)) {
+ if (text.isMainText(*pi.base.bv->buffer()))
+ 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();
+ rp.paintText();
+ if (rit + 1 == re)
+ rp.paintLast();
+ }
y += rit->descent();
- rp.paintAppendix();
- rp.paintDepthBar();
- rp.paintChangeBar();
- if (rit == rb)
- rp.paintFirst();
- if (rit + 1 == re)
- rp.paintLast();
- rp.paintText();
+ // Restore, see above
+ refreshInside = tmp;
}
+ // Re-enable screen drawing for future use of the painter.
+ pi.pain.setDrawingEnabled(true);
+
+ LYXERR(Debug::PAINTING) << "." << endl;
}
} // namespace anon
-void paintText(BufferView const & bv, ViewMetricsInfo const & vi)
+void paintText(BufferView & bv,
+ Painter & pain)
{
- Painter & pain = bv.painter();
- LyXText * const text = bv.text();
-
- // clear background
- pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
- LColor::background);
-
- // draw selection
+ BOOST_ASSERT(bv.buffer());
+ Buffer const & buffer = *bv.buffer();
+ LyXText & text = buffer.text();
+ bool const select = bv.cursor().selection();
+ ViewMetricsInfo const & vi = bv.viewMetricsInfo();
+
PainterInfo pi(const_cast<BufferView *>(&bv), pain);
-
- text->drawSelection(pi, 0, 0);
+ // Should the whole screen, including insets, be refreshed?
+ // FIXME: We should also distinguish DecorationUpdate to avoid text
+ // drawing if possible. This is not possible to do easily right now
+ // because of the single backing pixmap.
+ bool repaintAll = select || vi.update_strategy != SingleParUpdate;
+
+ 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);
+ }
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();
- }
-
-
- // paint one paragraph above and one below
- // Note MV: this cannot be suppressed even for singlepar.
- // Try viewing the User Guide Mobius figure
- 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());
- }
-
- 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());
+ refreshInside = repaintAll;
+ ParagraphMetrics const & pm = bv.parMetrics(&text, pit);
+ yy += pm.ascent();
+ paintPar(pi, text, pit, 0, yy, repaintAll);
+ yy += pm.descent();
}
// and grey out above (should not happen later)
-// lyxerr << "par ascent: " << text->getPar(vi.p1).ascent() << endl;
- if (vi.y1 > 0)
+// lyxerr << "par ascent: " << text.getPar(vi.p1).ascent() << endl;
+ if (vi.y1 > 0 && vi.update_strategy != SingleParUpdate)
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())
+// lyxerr << "par descent: " << text.getPar(vi.p1).ascent() << endl;
+ if (vi.y2 < bv.workHeight() && vi.update_strategy != SingleParUpdate)
pain.fillRectangle(0, vi.y2, bv.workWidth(), bv.workHeight() - vi.y2, LColor::bottomarea);
}
{
// lyxerr << " paintTextInset: y: " << y << endl;
- y -= text.getPar(0).ascent();
+ y -= pi.base.bv->parMetrics(&text, 0).ascent();
+ // This flag cannot be set from within same inset:
+ bool repaintAll = refreshInside;
for (int pit = 0; pit < int(text.paragraphs().size()); ++pit) {
- y += text.getPar(pit).ascent();
- paintPar(pi, text, pit, x, y);
- y += text.getPar(pit).descent();
+ ParagraphMetrics const & pmi
+ = pi.base.bv->parMetrics(&text, pit);
+ y += pmi.ascent();
+ paintPar(pi, text, pit, x, y, repaintAll);
+ y += pmi.descent();
}
}
+
+
+} // namespace lyx