[LyX/2.3.x] Set RTL tooltips RTL

[Juergen Spitzmueller]

commit 7ec4fa149cd6bcc7c3b06707191c514ab8c489b6
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Sat Jul 21 18:23:47 2018 +0200

    Set RTL tooltips RTL
    
    Fixes: #10672
    (cherry picked from commit edb2d1412482bdf302fd0902778433f96a4c2ed4)
---
 src/insets/InsetText.cpp |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/insets/InsetText.cpp b/src/insets/InsetText.cpp
index c2ec43a..9dc88ca 100644
--- a/src/insets/InsetText.cpp
+++ b/src/insets/InsetText.cpp
@@ -1056,7 +1056,11 @@ docstring InsetText::toolTipText(docstring prefix, 
size_t const len) const
        for (; it != end; ++it) {
                if (it != beg)
                        oss << '\n';
+               if ((*it).isRTL(buffer().params()))
+                       oss << "<div dir=\"rtl\">";
                writePlaintextParagraph(buffer(), *it, oss, rp, ref_printed, 
len);
+               if ((*it).isRTL(buffer().params()))
+                       oss << "<div/>";
                if (oss.tellp() >= 0 && size_t(oss.tellp()) > len)
                        break;
        }