Set boundary correctly in getPosNearX

The code that looks whether neighbor block has a different direction
should look to the left or to the right depending on the direction of
the current block.

Fixes part of bug #10569

(cherry picked from commit e3d252cd6256b32745b93c0cb0fd5170f448f91c)

diff --git a/src/TextMetrics.cpp b/src/TextMetrics.cpp
index 0629c1e0cf16c2d100c22b381ed025eff78bae1f..68fcb3c13df079ccbc5857700ed061b7c8155793 100644 (file)
--- a/src/TextMetrics.cpp
+++ b/src/TextMetrics.cpp
@@ -1181,8 +1181,10 @@ pos_type TextMetrics::getPosNearX(Row const & row, int & x,
                 * how boundary helps here.
                 */
                else if (pos == cit->endpos
-                        && cit + 1 != row.end()
-                        && cit->isRTL() != (cit + 1)->isRTL())
+                        && ((!cit->isRTL() && cit + 1 != row.end()
+                             && (cit + 1)->isRTL())
+                            || (cit->isRTL() && cit != row.begin()
+                                && !(cit - 1)->isRTL())))
                        boundary = true;
        }