Fix right_boundary properly after a row is shortened

Instead of resetting it to false, do a proper test to see whether
there is a separator at the end of the row.

Fixes bug #10180.

diff --git a/src/TextMetrics.cpp b/src/TextMetrics.cpp
index 66e100b2d90202684ed5317f2cdd3eaaf24be116..6690f3c86f235b123794d4cfa129bccc41d7cd6c 100644 (file)
--- a/src/TextMetrics.cpp
+++ b/src/TextMetrics.cpp
@@ -928,7 +928,7 @@ bool TextMetrics::breakRow(Row & row, int const right_margin) const
        // if the row is too large, try to cut at last separator. In case
        // of success, reset indication that the row was broken abruptly.
        if (row.shortenIfNeeded(body_pos, width))
-               row.right_boundary(false);
+               row.right_boundary(!row.empty() && row.back().endpos == row.endpos());
 
        // make sure that the RTL elements are in reverse ordering
        row.reverseRTL(is_rtl);