#include "support/textutils.h"
+#include <boost/crc.hpp>
+
using lyx::pos_type;
using lyx::pit_type;
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().getLyXTextClass().defaultfont() :
+ font;
pi.ltr_pos = (text_.bidi.level(pos) % 2 == 0);
pi.erased_ = erased_ || isDeletedText(par_, pos);
theCoords.insets().add(inset, int(x_), yo_);
double x = x_;
if (layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT) {
- x = ((is_rtl ? leftMargin() : x_)
- + width_ - text_.rightMargin(par_)) / 2;
+ if (is_rtl)
+ x = leftMargin();
+ x += (width_ - text_.rightMargin(par_) - leftMargin()) / 2;
x -= font_metrics::width(str, font) / 2;
} else if (is_rtl) {
x = width_ - leftMargin() -
}
+lyx::size_type calculateRowSignature(Row const & row, Paragraph const & par)
+{
+ boost::crc_32_type crc;
+ for (lyx::pos_type i = row.pos(); i < row.endpos(); ++i) {
+ const unsigned char b[] = { par.getChar(i) };
+ crc.process_bytes(b, 1);
+ }
+ return crc.checksum();
+}
+
+
+bool isCursorOnRow(PainterInfo & pi, pit_type pit, RowList::const_iterator rit)
+{
+ LCursor & cur = pi.base.bv->cursor();
+ for (lyx::size_type d = 0; d < cur.depth(); d++)
+ if (cur[d].pit() == pit
+ && cur[d].pos() >= rit->pos()
+ && cur[d].pos() <= rit->endpos())
+ return true;
+ return false;
+}
+
+
void paintPar
- (PainterInfo & pi, LyXText const & text, pit_type pit, int x, int y)
+ (PainterInfo & pi, LyXText const & text, pit_type pit, int x, int y,
+ bool repaintAll)
{
// lyxerr << " paintPar: pit: " << pit << " at y: " << y << endl;
static NullPainter nop;
theCoords.parPos()[&text][pit] = Point(x, y);
y -= rb->ascent();
- for (RowList::const_iterator rit = rb; rit != re; ++rit) {
+ lyx::size_type rowno(0);
+ for (RowList::const_iterator rit = rb; rit != re; ++rit, ++rowno) {
y += rit->ascent();
- bool const inside = (y + rit->descent() >= 0
- && y - rit->ascent() < ww);
- RowPainter rp(inside ? pi : nullpi, text, pit, *rit, x, y);
+ // Row signature; has row changed since last paint?
+ lyx::size_type const row_sig = calculateRowSignature(*rit, par);
+
+ bool cursor_on_row = isCursorOnRow(pi, pit, rit);
+
+ // If selection is on, the current row signature differs from
+ // from cache, or cursor is inside an inset _on this row_,
+ // then paint the row
+ if (repaintAll || par.rowSignature()[rowno] != row_sig
+ || cursor_on_row) {
+ // Add to row signature cache
+ par.rowSignature()[rowno] = row_sig;
+
+ bool const inside = (y + rit->descent() >= 0
+ && y - rit->ascent() < ww);
+ RowPainter rp(inside ? pi : nullpi, text, pit, *rit, x, y);
+ // Clear background of this row
+ // (if paragraph background was not cleared)
+ if (!repaintAll) {
+ pi.pain.fillRectangle(x, y - rit->ascent(),
+ pi.base.bv->workWidth(), rit->height(),
+ text.backgroundColor());
+ }
+
+ // Instrumentation for testing row cache (see also
+ // 12 lines lower):
+ //lyxerr << "#";
+ rp.paintAppendix();
+ rp.paintDepthBar();
+ rp.paintChangeBar();
+ if (rit == rb)
+ rp.paintFirst();
+ if (rit + 1 == re)
+ rp.paintLast();
+ rp.paintText();
+ }
y += rit->descent();
- rp.paintAppendix();
- rp.paintDepthBar();
- rp.paintChangeBar();
- if (rit == rb)
- rp.paintFirst();
- if (rit + 1 == re)
- rp.paintLast();
- rp.paintText();
}
+ //lyxerr << "." << endl;
}
} // namespace anon
{
Painter & pain = bv.painter();
LyXText * const text = bv.text();
+ bool const select = bv.cursor().selection();
- // clear background
- pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
- LColor::background);
-
- // draw selection
PainterInfo pi(const_cast<BufferView *>(&bv), pain);
-
- text->drawSelection(pi, 0, 0);
+ if (select || !vi.singlepar) {
+ // Clear background (Delegated to rows if no selection)
+ pain.fillRectangle(0, vi.y1, bv.workWidth(), vi.y2 - vi.y1,
+ text->backgroundColor());
+ }
+ if (select) {
+ text->drawSelection(pi, 0, 0);
+ }
int yy = vi.y1;
// draw contents
for (pit_type pit = vi.p1; pit <= vi.p2; ++pit) {
- yy += text->getPar(pit).ascent();
- paintPar(pi, *bv.text(), pit, 0, yy);
- yy += text->getPar(pit).descent();
+ Paragraph const & par = text->getPar(pit);
+ yy += par.ascent();
+ paintPar(pi, *bv.text(), pit, 0, yy, select || !vi.singlepar);
+ yy += par.descent();
}
-
- // paint one paragraph above and one below
+ // 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);
- paintPar(pi, *bv.text(), vi.p1 - 1, 0,
- vi.y1 - text->getPar(vi.p1 - 1).descent());
+ theCoords.parPos()[bv.text()][vi.p1 - 1] =
+ Point(0, vi.y1 - text->getPar(vi.p1 - 1).descent());
}
if (vi.p2 < lyx::pit_type(text->paragraphs().size()) - 1) {
text->redoParagraph(vi.p2 + 1);
- paintPar(pi, *bv.text(), vi.p2 + 1, 0,
- vi.y2 + text->getPar(vi.p2 + 1).ascent());
+ theCoords.parPos()[bv.text()][vi.p2 + 1] =
+ Point(0, vi.y2 + text->getPar(vi.p2 + 1).ascent());
}
// and grey out above (should not happen later)
// lyxerr << "par ascent: " << text->getPar(vi.p1).ascent() << endl;
- if (vi.y1 > 0)
+ if (vi.y1 > 0 && !vi.singlepar)
pain.fillRectangle(0, 0, bv.workWidth(), vi.y1, LColor::bottomarea);
// and possibly grey out below
// lyxerr << "par descent: " << text->getPar(vi.p1).ascent() << endl;
- if (vi.y2 < bv.workHeight())
+ if (vi.y2 < bv.workHeight() && !vi.singlepar)
pain.fillRectangle(0, vi.y2, bv.workWidth(), bv.workHeight() - vi.y2, LColor::bottomarea);
}
y -= text.getPar(0).ascent();
for (int pit = 0; pit < int(text.paragraphs().size()); ++pit) {
y += text.getPar(pit).ascent();
- paintPar(pi, text, pit, x, y);
+ paintPar(pi, text, pit, x, y, true);
y += text.getPar(pit).descent();
}
}
projects / lyx.git / blobdiff