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Do not use a fake row to compute completion dimension

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The code in TextMetrics::completionPosAndDim is needlessly complicated.

1/ It is easier to rely directly on Text::getWord() rather than on the
   helper previousWord().

2/ Using a fake row to compute completion height is overkill. A
   simpler solution is proposed here.

No intended effect. These changes prepare the fix to ticket #11818.
This commit is contained in:
Jean-Marc Lasgouttes 2020-09-22 15:06:46 +02:00
parent 4419f6e059
commit 32b688225d
1 changed files with 12 additions and 16 deletions
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28
src/TextMetrics.cpp
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@ -1994,26 +1994,22 @@ void TextMetrics::drawParagraph(PainterInfo & pi, pit_type const pit, int const
void TextMetrics::completionPosAndDim(Cursor const & cur, int & x, int & y,
Dimension & dim) const
{
Cursor const & bvcur = cur.bv().cursor();
DocIterator from = cur.bv().cursor();
DocIterator to = from;
text_->getWord(from.top(), to.top(), PREVIOUS_WORD);
// get word in front of cursor
docstring word = text_->previousWord(bvcur.top());
DocIterator wordStart = bvcur;
wordStart.pos() -= word.length();
// calculate dimensions of the word
Row row;
row.pit(bvcur.pit());
row.pos(wordStart.pos());
row.endpos(bvcur.pos());
setRowHeight(row);
dim = row.dim();
// The vertical dimension of the word
Font const font = displayFont(cur.pit(), from.pos());
FontMetrics const & fm = theFontMetrics(font);
// the +1's below are related to the extra pixels added in setRowHeight
dim.asc = fm.maxAscent() + 1;
dim.des = fm.maxDescent() + 1;
// get position on screen of the word start and end
//FIXME: Is it necessary to explicitly set this to false?
wordStart.boundary(false);
Point lxy = cur.bv().getPos(wordStart);
Point rxy = cur.bv().getPos(bvcur);
from.boundary(false);
Point lxy = cur.bv().getPos(from);
Point rxy = cur.bv().getPos(to);
dim.wid = abs(rxy.x_ - lxy.x_);
// calculate position of word