#include "frontends/font_metrics.h"
#include "frontends/nullpainter.h"
+#include "frontends/LyXView.h"
+#include "frontends/WorkArea.h"
#include "frontends/Painter.h"
#include "insets/insettext.h"
#include "support/textutils.h"
+#include <boost/crc.hpp>
+
+using lyx::docstring;
+using lyx::frontend::Painter;
+using lyx::frontend::NullPainter;
+using lyx::char_type;
using lyx::pos_type;
using lyx::pit_type;
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 paintText();
private:
- void paintForeignMark(double orig_x, LyXFont const & font);
+ 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);
+ 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, 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_);
+ 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();
}
string str;
// first char
- char c = par_.getChar(pos);
+ char_type c = par_.getChar(pos);
str += c;
++vpos;
for (pos_type i = pos - 1; i >= 0; --i) {
c = par_.getChar(i);
- if (!Encodings::IsComposeChar_hebrew(c)) {
- if (IsPrintableNonspace(c)) {
+ if (!Encodings::isComposeChar_hebrew(c)) {
+ if (isPrintableNonspace(c)) {
int const width2 =
text_.singleWidth(par_, i, c, text_.getFont(par_, i));
// dalet / resh
}
// Draw nikud
- pain_.text(int(x_) + dx, yo_, str, font);
+ docstring dstr(str.begin(), str.end());
+ pain_.text(int(x_) + dx, yo_, dstr, font);
}
string str;
// first char
- char c = par_.getChar(pos);
+ char_type c = par_.getChar(pos);
c = par_.transformChar(c, pos);
str += c;
++vpos;
for (pos_type i = pos - 1; i >= 0; --i) {
c = par_.getChar(i);
- if (!Encodings::IsComposeChar_arabic(c)) {
- if (IsPrintableNonspace(c)) {
- int const width2 =
+ if (!Encodings::isComposeChar_arabic(c)) {
+ if (isPrintableNonspace(c)) {
+ int const width2 =
text_.singleWidth(par_, i, c, text_.getFont(par_, i));
dx = (width2 - width) / 2;
}
}
}
// Draw nikud
- pain_.text(int(x_) + dx, yo_, str, font);
+ docstring dstr(str.begin(), str.end());
+ pain_.text(int(x_) + dx, yo_, dstr, font);
}
-void RowPainter::paintChars(pos_type & vpos, LyXFont font,
+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();
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
+#if 0
string str;
str += par_.getChar(pos);
+#else
+ std::vector<char_type> str;
+ str.push_back(par_.getChar(pos));
+#endif
if (arabic) {
- unsigned char c = str[0];
+ char_type c = str[0];
str[0] = par_.transformChar(c, pos);
}
if (prev_change != par_.lookupChange(pos))
break;
- char c = par_.getChar(pos);
+ char_type c = par_.getChar(pos);
- if (!IsPrintableNonspace(c))
+ if (!isPrintableNonspace(c))
break;
- if (arabic && Encodings::IsComposeChar_arabic(c))
+ if (arabic && Encodings::isComposeChar_arabic(c))
break;
- if (hebrew && Encodings::IsComposeChar_hebrew(c))
+ if (hebrew && Encodings::isComposeChar_hebrew(c))
break;
if (arabic)
c = par_.transformChar(c, pos);
+#if 0
str += c;
+#else
+ str.push_back(c);
+#endif
}
if (prev_change == Change::DELETED)
// Draw text and set the new x position
//lyxerr << "paint row: yo_ " << yo_ << "\n";
+#if 0
pain_.text(int(x_), yo_, str, font);
x_ += font_metrics::width(str, font);
+#else
+ pain_.text(int(x_), yo_, &str[0], str.size(), font);
+ x_ += font_metrics::width(&str[0], str.size(), font);
+#endif
}
-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);
}
{
pos_type const pos = text_.bidi.vis2log(vpos);
LyXFont orig_font = text_.getFont(par_, pos);
- text_.applyOuterFont(orig_font);
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();
// 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);
pos_type const start = row_.pos();
pos_type const end = row_.endpos();
- if (start == end || !par_.isChanged(start, end - 1))
+ if (start == end || !par_.isChanged(start, end))
return;
int const height = text_.isLastRow(pit_, row_)
int w = 0;
int a = 0;
int d = 0;
- font_metrics::rectText(label, pb_font, w, a, d);
+ docstring dlab(label.begin(), label.end());
+ font_metrics::rectText(dlab, pb_font, w, a, d);
int const text_start = int(xo_ + (width_ - w) / 2);
int const text_end = text_start + w;
- pain_.rectText(text_start, y + d, label, pb_font, LColor::none, LColor::none);
+ pain_.rectText(text_start, y + d, dlab, pb_font, LColor::none, LColor::none);
pain_.line(int(xo_ + 1), y, text_start, y, LColor::appendix);
pain_.line(text_end, y, int(xo_ + width_ - 2), y, LColor::appendix);
string const str = par_.getLabelstring();
if (!str.empty()) {
double x = x_;
+ docstring dstr(str.begin(), str.end());
// this is special code for the chapter layout. This is
// printed in an extra row and has a pagebreak at
if (is_rtl) {
x = width_ - leftMargin() -
- font_metrics::width(str, font);
+ font_metrics::width(dstr, font);
}
- pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
+ pain_.text(int(x), yo_ - maxdesc - labeladdon, dstr, font);
} else {
+ string lab = layout->labelsep;
+ docstring dlab(lab.begin(), lab.end());
if (is_rtl) {
x = width_ - leftMargin()
- + font_metrics::width(layout->labelsep, font);
+ + font_metrics::width(dlab, font);
} else {
- x = x_ - font_metrics::width(layout->labelsep, font)
- - font_metrics::width(str, font);
+ x = x_ - font_metrics::width(dlab, font)
+ - font_metrics::width(dstr, font);
}
- pain_.text(int(x), yo_, str, font);
+ pain_.text(int(x), yo_, dstr, font);
}
}
LyXFont font = getLabelFont();
if (!par_.getLabelstring().empty()) {
string const str = par_.getLabelstring();
+ docstring dstr(str.begin(), str.end());
double spacing_val = 1.0;
if (!parparams.spacing().isDefault())
spacing_val = parparams.spacing().getValue();
if (is_rtl)
x = leftMargin();
x += (width_ - text_.rightMargin(par_) - leftMargin()) / 2;
- x -= font_metrics::width(str, font) / 2;
+ x -= font_metrics::width(dstr, font) / 2;
} else if (is_rtl) {
x = width_ - leftMargin() -
- font_metrics::width(str, font);
+ font_metrics::width(dstr, font);
}
- pain_.text(int(x), yo_ - maxdesc - labeladdon, str, font);
+ pain_.text(int(x), yo_ - maxdesc - labeladdon, dstr, font);
}
}
}
case END_LABEL_STATIC: {
LyXFont font = getLabelFont();
string const & str = par_.layout()->endlabelstring();
+ docstring dstr(str.begin(), str.end());
double const x = is_rtl ?
- x_ - font_metrics::width(str, font)
+ x_ - font_metrics::width(dstr, font)
: - text_.rightMargin(par_) - row_.width();
- pain_.text(int(x), yo_, str, font);
+ pain_.text(int(x), yo_, dstr, 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;
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;
+ 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;
}
if (body_pos > 0 && pos == body_pos - 1) {
- int const lwidth = font_metrics::width(layout->labelsep,
+ string lab = layout->labelsep;
+ docstring dlab(lab.begin(), lab.end());
+ int const lwidth = font_metrics::width(dlab,
getLabelFont());
x_ += label_hfill_ + lwidth - width_pos;
if (running_strikeout) {
// calculate 1/3 height of the buffer's default font
int const middle =
- yo_ - font_metrics::maxAscent(text_.defaultfont_) / 3;
+ 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;
}
+lyx::size_type calculateRowSignature(Row const & row, Paragraph const & par,
+ int x, int y)
+{
+ 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();
+}
+
+
+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;
+}
+
+
+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;
+}
+
+
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();
+ theCoords.parPos()[&text][pit] = Point(x, y);
+
Paragraph const & par = text.paragraphs()[pit];
+ if (par.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);
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
+ // Allow setting of refreshInside for nested insets in
+ // this row only
+ bool tmp = refreshInside;
+
+ // 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 const * const in = par.getInset(i);
+ if (in) {
+ InsetText const * const t = in->asTextInset();
+ if (t)
+ t->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);
+ 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(x, y - rit->ascent(),
+ text.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 (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();
+ }
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;
}
+ lyxerr[Debug::PAINTING] << "." << endl;
}
} // namespace anon
-void paintText(BufferView const & bv, ViewMetricsInfo const & vi)
+void paintText(BufferView const & bv, ViewMetricsInfo const & vi,
+ Painter & pain)
{
- 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);
+ // Should the whole screen, including insets, be refreshed?
+ bool repaintAll = select || !vi.singlepar;
- text->drawSelection(pi, 0, 0);
+ 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();
+ refreshInside = 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
if (vi.p1 > 0) {
text->redoParagraph(vi.p1 - 1);
- theCoords.parPos()[bv.text()][vi.p1 - 1] =
+ 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);
- theCoords.parPos()[bv.text()][vi.p2 + 1] =
+ theCoords.parPos()[bv.text()][vi.p2 + 1] =
Point(0, vi.y2 + text->getPar(vi.p2 + 1).ascent());
}
// lyxerr << " paintTextInset: y: " << y << endl;
y -= text.getPar(0).ascent();
+ // This flag can not 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);
+ paintPar(pi, text, pit, x, y, repaintAll);
y += text.getPar(pit).descent();
}
}
projects / lyx.git / blobdiff