#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/FontMetrics.h"
-#include "frontends/nullpainter.h"
#include "frontends/Painter.h"
#include "insets/insettext.h"
namespace lyx {
using frontend::Painter;
-using frontend::NullPainter;
using frontend::FontMetrics;
using std::endl;
using std::max;
-using std::min;
using std::string;
void paintFirst();
void paintLast();
void paintText();
+ int maxWidth() { return max_width_; }
private:
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 font,
+ void paintChars(pos_type & vpos, LyXFont const & font,
bool hebrew, bool arabic);
int paintAppendixStart(int y);
void paintFromPos(pos_type & vpos);
/// 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);
font;
pi.ltr_pos = (text_.bidi.level(pos) % 2 == 0);
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()) {
+ if (!in || !in->wide()) {
refreshInside = true;
- lyxerr[Debug::PAINTING] << endl << "Paint inset fully" << endl;
+ if (lyxerr.debugging(Debug::PAINTING)) {
+ lyxerr << 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
}
c = par_.getChar(i);
if (!Encodings::isComposeChar_hebrew(c)) {
if (isPrintableNonspace(c)) {
- int const width2 =
- text_.singleWidth(par_, i, c, text_.getFont(par_, i));
+ int const width2 = text_.singleWidth(par_, i, c,
+ text_.getFont(*bv_.buffer(), par_, i));
// FIXME UNICODE
// This does not work anymore, and non-ascii
// characters in source files are forbidden
c = par_.getChar(i);
if (!Encodings::isComposeChar_arabic(c)) {
if (isPrintableNonspace(c)) {
- int const width2 =
- text_.singleWidth(par_, i, c, text_.getFont(par_, i));
+ int const width2 = text_.singleWidth(par_, i, c,
+ text_.getFont(*bv_.buffer(), par_, i));
dx = (width2 - width) / 2;
}
break;
pain_.text(int(x_) + dx, yo_, str, font);
}
-
-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).type;
// first character
-#if 0
- string str;
- str += par_.getChar(pos);
-#else
std::vector<char_type> str;
+ str.reserve(100);
str.push_back(par_.getChar(pos));
-#endif
+
if (arabic) {
char_type c = str[0];
str[0] = par_.transformChar(c, pos);
if (arabic)
c = par_.transformChar(c, pos);
-#if 0
- str += c;
-#else
str.push_back(c);
-#endif
}
- 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";
-#if 0
- int width = pain_.text(int(x_), yo_, str, font);
-#else
- int width = pain_.text(int(x_), yo_, &str[0], str.size(), font);
-#endif
- x_ += width;
+ 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_, &str[0], str.size(), copy);
+ } else {
+ x_ += pain_.text(int(x_), yo_, &str[0], str.size(), font);
+ }
}
void RowPainter::paintFromPos(pos_type & vpos)
{
pos_type const pos = text_.bidi.vis2log(vpos);
- LyXFont orig_font = text_.getFont(par_, pos);
+ LyXFont orig_font = text_.getFont(*bv_.buffer(), par_, pos);
double const orig_x = x_;
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))
return;
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();
}
}
- 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;
if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
if (is_rtl)
x = leftMargin();
- x += (width_ - text_.rightMargin(par_) - leftMargin()) / 2;
+ x += (width_ - text_metrics_.rightMargin(pm_) - leftMargin()) / 2;
x -= fm.width(str) / 2;
} else if (is_rtl) {
x = width_ - leftMargin() - fm.width(str);
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: {
docstring const & str = par_.layout()->endlabelstring();
double const x = is_rtl ?
x_ - fm.width(str)
- : - text_.rightMargin(par_) - row_.width();
+ : - text_metrics_.rightMargin(pm_) - row_.width();
pain_.text(int(x), yo_, str, font);
break;
}
// 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 =
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) {
}
-size_type calculateRowSignature(Row const & row, Paragraph const & par,
- int x, int y)
-{
- boost::crc_32_type crc;
- for (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();
-}
-
-
bool CursorOnRow(PainterInfo & pi, pit_type const pit,
RowList::const_iterator rit, LyXText const & text)
{
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];
- if (par.rows().empty())
+ 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();
+ RowList::const_iterator const rb = pm.rows().begin();
+ RowList::const_iterator const re = pm.rows().end();
y -= rb->ascent();
size_type rowno = 0;
bool tmp = refreshInside;
// Row signature; has row changed since last paint?
- size_type const row_sig = calculateRowSignature(*rit, par, x, y);
- bool row_has_changed = par.rowSignature()[rowno] != row_sig;
+ 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 const * const t = in->asTextInset();
+ InsetText * t = const_cast<InsetText *>(in->asTextInset());
if (t)
- t->Wide() = in_inset_alone_on_row;
+ t->setWide(in_inset_alone_on_row && leftEdgeFixed);
}
}
// 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);
+ && 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 || row_has_changed)) {
+ (!(in_inset_alone_on_row && leftEdgeFixed)
+ || row_has_changed)) {
pi.pain.fillRectangle(x, y - rit->ascent(),
- text.maxwidth_, rit->height(),
+ rp.maxWidth(), rit->height(),
text.backgroundColor());
// If outer row has changed, force nested
// insets to repaint completely
// 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 << "]";
+ 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();
- rp.paintText();
}
y += rit->descent();
// Restore, see above
refreshInside = tmp;
}
- lyxerr[Debug::PAINTING] << "." << endl;
+ // Re-enable screen drawing for future use of the painter.
+ pi.pain.setDrawingEnabled(true);
+
+ if (lyxerr.debugging(Debug::PAINTING)) {
+ lyxerr[Debug::PAINTING] << "." << endl;
+ }
}
} // namespace anon
-void paintText(BufferView & bv, ViewMetricsInfo const & vi,
+void paintText(BufferView & bv,
Painter & pain)
{
- LyXText & text = bv.buffer()->text();
+ 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);
// Should the whole screen, including insets, be refreshed?
- bool repaintAll = select || !vi.singlepar;
+ // 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)
// draw contents
for (pit_type pit = vi.p1; pit <= vi.p2; ++pit) {
refreshInside = repaintAll;
- Paragraph const & par = text.getPar(pit);
- yy += par.ascent();
+ ParagraphMetrics const & pm = bv.parMetrics(&text, pit);
+ yy += pm.ascent();
paintPar(pi, 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
-
- if (vi.p1 > 0) {
- text.redoParagraph(vi.p1 - 1);
- bv.coordCache().parPos()[&text][vi.p1 - 1] =
- Point(0, vi.y1 - text.getPar(vi.p1 - 1).descent());
- }
-
- if (vi.p2 < pit_type(text.paragraphs().size()) - 1) {
- text.redoParagraph(vi.p2 + 1);
- bv.coordCache().parPos()[&text][vi.p2 + 1] =
- Point(0, vi.y2 + text.getPar(vi.p2 + 1).ascent());
+ yy += pm.descent();
}
// and grey out above (should not happen later)
// lyxerr << "par ascent: " << text.getPar(vi.p1).ascent() << endl;
- if (vi.y1 > 0 && !vi.singlepar)
+ 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() && !vi.singlepar)
+ 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();
- // This flag can not be set from within same inset:
+ 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();
+ ParagraphMetrics const & pmi
+ = pi.base.bv->parMetrics(&text, pit);
+ y += pmi.ascent();
paintPar(pi, text, pit, x, y, repaintAll);
- y += text.getPar(pit).descent();
+ y += pmi.descent();
}
}
projects / lyx.git / blobdiff