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Take inset dimension into account in row signature

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In some cases, the insets may change height or width without changing
the other apsects of the row.

Fixes bug #6991 and #10182.
This commit is contained in:
Jean-Marc Lasgouttes 2016-06-03 11:21:09 +02:00
parent d5933fc5b5
commit 508518ad95
3 changed files with 14 additions and 8 deletions
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11
src/ParagraphMetrics.cpp
View File

@ -86,13 +86,20 @@ void ParagraphMetrics::reset(Paragraph const & par)
size_t ParagraphMetrics::computeRowSignature(Row const & row,
BufferParams const & bparams) const
BufferView const & bv) const
{
boost::crc_32_type crc;
for (pos_type i = row.pos(); i < row.endpos(); ++i) {
if (par_->isInset(i)) {
Inset const * in = par_->getInset(i);
Dimension const d = in->dimension(bv);
int const b[] = { d.wid, d.asc, d.des };
crc.process_bytes(b, sizeof(b));
} else {
char_type const b[] = { par_->getChar(i) };
crc.process_bytes(b, sizeof(char_type));
if (bparams.track_changes) {
}
if (bv.buffer().params().track_changes) {
Change change = par_->lookupChange(i);
char_type const b[] = { static_cast<char_type>(change.type) };
// 1 byte is enough to encode Change::Type

2
src/ParagraphMetrics.h
View File

@ -86,7 +86,7 @@ public:
bool hfillExpansion(Row const & row, pos_type pos) const;
///
size_t computeRowSignature(Row const &, BufferParams const & bparams) const;
size_t computeRowSignature(Row const &, BufferView const & bv) const;
///
int position() const { return position_; }

3
src/TextMetrics.cpp
View File

@ -1857,7 +1857,6 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const
return;
}
BufferParams const & bparams = bv_->buffer().params();
int const ww = bv_->workHeight();
Cursor const & cur = bv_->cursor();
DocIterator sel_beg = cur.selectionBegin();
@ -1923,7 +1922,7 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const
}
// Row signature; has row changed since last paint?
row.setCrc(pm.computeRowSignature(row, bparams));
row.setCrc(pm.computeRowSignature(row, *bv_));
bool row_has_changed = row.changed()
|| bv_->hadHorizScrollOffset(text_, pit, row.pos());