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TextMetrics::checkInsetHit: do not rely on CoordCache

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The required information is present in Row objects.

This is a requirement for my Next Secret Project.
This commit is contained in:
Jean-Marc Lasgouttes 2025-01-13 16:44:45 +01:00
parent 9250f5bbe6
commit a25d94c315
2 changed files with 20 additions and 25 deletions
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43
src/TextMetrics.cpp
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@ -1536,17 +1536,13 @@ Row const & TextMetrics::getRowNearY(int & y, pit_type pit)
// sets cursor recursively descending into nested editable insets
Inset * TextMetrics::editXY(Cursor & cur, int x, int y)
{
if (lyxerr.debugging(Debug::WORKAREA)) {
LYXERR0("TextMetrics::editXY(cur, " << x << ", " << y << ")");
cur.bv().coordCache().dump();
}
pit_type const pit = getPitNearY(y);
LASSERT(pit != -1, return 0);
Row const & row = getRowNearY(y, pit);
cur.pit() = pit;
// Do we cover an inset?
InsetList::Element * e = checkInsetHit(pit, x, y);
Row::Element const * e = checkInsetHit(row, x);
if (!e) {
// No inset, set position in the text
@ -1558,7 +1554,7 @@ Inset * TextMetrics::editXY(Cursor & cur, int x, int y)
return 0;
}
Inset * inset = e->inset;
Inset * inset = const_cast<Inset *>(e->inset);
//lyxerr << "inset " << inset << " hit at x: " << x << " y: " << y << endl;
// Set position in front of inset
@ -1603,23 +1599,24 @@ void TextMetrics::setCursorFromCoordinates(Cursor & cur, int x, int y)
//takes screen x,y coordinates
InsetList::Element * TextMetrics::checkInsetHit(pit_type pit, int x, int y)
Row::Element const * TextMetrics::checkInsetHit(Row const & row, int x) const
{
Paragraph const & par = text_->paragraphs()[pit];
CoordCache::Insets const & insetCache = bv_->coordCache().getInsets();
int const xo = origin_.x;
x -= xo;
LYXERR(Debug::PAINTING, "x: " << x << " y: " << y << " pit: " << pit);
// Adapt to cursor row scroll offset if applicable.
int const offset = bv_->horizScrollOffset(text_, row.pit(), row.pos());
x += offset;
for (InsetList::Element const & e : par.insetList()) {
LYXERR(Debug::PAINTING, "examining inset " << e.inset);
if (insetCache.covers(e.inset, x, y)) {
LYXERR(Debug::PAINTING, "Hit inset: " << e.inset);
return const_cast<InsetList::Element *>(&e);
}
int xx = row.left_margin;
for (auto const & e : row) {
if (xx > x)
break;
if (xx + e.full_width() > x)
return (e.type == Row::INSET) ? &e : nullptr;
xx += e.full_width();
}
LYXERR(Debug::PAINTING, "No inset hit. ");
return nullptr;
}
@ -1628,13 +1625,11 @@ InsetList::Element * TextMetrics::checkInsetHit(pit_type pit, int x, int y)
Inset * TextMetrics::checkInsetHit(int x, int y)
{
pit_type const pit = getPitNearY(y);
LASSERT(pit != -1, return 0);
InsetList::Element * e = checkInsetHit(pit, x, y);
LASSERT(pit != -1, return nullptr);
Row const & row = getRowNearY(y, pit);
Row::Element const * e = checkInsetHit(row, x);
if (!e)
return 0;
return e->inset;
return e ? const_cast<Inset *>(e->inset) : nullptr;
}

2
src/TextMetrics.h
View File

@ -184,7 +184,7 @@ private:
int parBottomSpacing(pit_type pit) const;
// Helper function for the other checkInsetHit method.
InsetList::Element * checkInsetHit(pit_type pit, int x, int y);
Row::Element const * checkInsetHit(Row const & row, int x) const;
// Temporary public: