Cleanup Row::findElement and introduce Row::pos2x

Remove the functionality of findElement of also computing a pixel
position and introduce a function that only does that.
This commit is contained in:
Jean-Marc Lasgouttes 2024-11-29 12:13:15 +01:00
parent d19f4319dc
commit 629a692ce2
4 changed files with 28 additions and 11 deletions

View File

@ -1197,8 +1197,7 @@ void Cursor::getSurroundingPos(pos_type & left_pos, pos_type & right_pos) const
right_pos = -1; right_pos = -1;
Row const & row = textRow(); Row const & row = textRow();
double dummy = 0; Row::const_iterator cit = row.findElement(pos(), boundary());
Row::const_iterator cit = row.findElement(pos(), boundary(), dummy);
// Handle the case of empty row // Handle the case of empty row
if (cit == row.end()) { if (cit == row.end()) {
if (row.isRTL()) if (row.isRTL())

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@ -753,8 +753,9 @@ void Row::reverseRTL()
reverse(elements_.begin(), elements_.end()); reverse(elements_.begin(), elements_.end());
} }
Row::const_iterator const Row::const_iterator const
Row::findElement(pos_type const pos, bool const boundary, double & x) const Row::findElementHelper(pos_type const pos, bool const boundary, double & x) const
{ {
/** /**
* When boundary is true, position i is in the row element (pos, endpos) * When boundary is true, position i is in the row element (pos, endpos)
@ -803,4 +804,19 @@ Row::findElement(pos_type const pos, bool const boundary, double & x) const
} }
Row::const_iterator const Row::findElement(pos_type const pos, bool const boundary) const
{
double dummy;
return findElementHelper(pos, boundary, dummy);
}
double Row::pos2x(pos_type const pos, bool const boundary) const
{
double x;
findElementHelper(pos, boundary, x);
return x;
}
} // namespace lyx } // namespace lyx

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@ -257,6 +257,10 @@ public:
* adjusted to the actual pixel position. * adjusted to the actual pixel position.
*/ */
std::pair<pos_type, bool> x2pos(int & x) const; std::pair<pos_type, bool> x2pos(int & x) const;
/** Return the pixel position that corresponds to the position and
* boundary.
*/
double pos2x(pos_type const pos, bool const boundary) const;
/// ///
void add(pos_type pos, Inset const * ins, Dimension const & dim, void add(pos_type pos, Inset const * ins, Dimension const & dim,
@ -331,8 +335,8 @@ public:
/// ///
void needsChangeBar(bool ncb) { changebar_ = ncb; } void needsChangeBar(bool ncb) { changebar_ = ncb; }
/// Find row element that contains \c pos, and compute x offset. /// Find row element that contains \c pos.
const_iterator const findElement(pos_type pos, bool boundary, double & x) const; const_iterator const findElement(pos_type pos, bool boundary) const;
friend std::ostream & operator<<(std::ostream & os, Row const & row); friend std::ostream & operator<<(std::ostream & os, Row const & row);
@ -372,6 +376,9 @@ private:
*/ */
bool sameString(Font const & f, Change const & ch) const; bool sameString(Font const & f, Change const & ch) const;
/// Find row element that contains \c pos, and compute x offset.
const_iterator const findElementHelper(pos_type pos, bool boundary, double & x) const;
/// ///
Elements elements_; Elements elements_;

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@ -1691,12 +1691,7 @@ int TextMetrics::cursorX(CursorSlice const & sl,
if (pm.rows().empty()) if (pm.rows().empty())
return 0; return 0;
Row const & row = pm.getRow(sl.pos(), boundary); Row const & row = pm.getRow(sl.pos(), boundary);
pos_type const pos = sl.pos(); return row.pos2x(sl.pos(), boundary);
double x = 0;
row.findElement(pos, boundary, x);
return int(x);
} }