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Fix bug #6320: LyX goes to infinite loop when selecting document parts.

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Set the boundary member correctly when the cursor goes to an 'empty' row.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32034 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2009-11-15 22:01:12 +00:00
parent 216f9156dc
commit f4125a65c0
1 changed files with 10 additions and 2 deletions
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12
src/Cursor.cpp
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@ -1914,8 +1914,16 @@ bool Cursor::upDownInText(bool up, bool & updateNeeded)
}
top().pos() = min(tm.x2pos(pit(), next_row, xo), top().lastpos());
boundary(tm.x2pos(pit(), next_row, xo)
== tm.x2pos(pit(), next_row, tm.width()));
int const xpos = tm.x2pos(pit(), next_row, xo);
bool const at_end_row = xpos == tm.x2pos(pit(), next_row, tm.width());
bool const at_beg_row = xpos == tm.x2pos(pit(), next_row, 0);
if (at_end_row && at_beg_row)
// make sure the cursor ends up on this row
boundary(false);
else
boundary(at_end_row);
updateNeeded |= bv().checkDepm(*this, old);
}