[latex3-commits] [git/LaTeX3-latex3-latex3] master: Save/restore space factor when setting link with dvips (8078672)

[Joseph Wright]

Repository : https://github.com/latex3/latex3
On branch  : master
Link       : https://github.com/latex3/latex3/commit/8078672d7c8545f280456766777c20cd7aa1af15

>---------------------------------------------------------------

commit 8078672d7c8545f280456766777c20cd7aa1af15
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Wed Apr 17 13:05:34 2019 +0100

    Save/restore space factor when setting link with dvips
    
    The box needs to be 'transparent'.


>---------------------------------------------------------------

8078672d7c8545f280456766777c20cd7aa1af15
 l3kernel/l3drivers-pdf.dtx |   30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/l3kernel/l3drivers-pdf.dtx b/l3kernel/l3drivers-pdf.dtx
index d307482..2180b23 100644
--- a/l3kernel/l3drivers-pdf.dtx
+++ b/l3kernel/l3drivers-pdf.dtx
@@ -697,10 +697,19 @@
 %    \end{macrocode}
 % \end{variable}
 %
+% \begin{variable}{\g_@@_pdf_link_sf_int}
+%   Needed to save/restore space factor, which is needed to deal with the face
+%   we need a box.
+%    \begin{macrocode}
+\int_new:N \g_@@_pdf_link_sf_int
+%    \end{macrocode}
+% \end{variable}
+%
 % \begin{macro}{\driver_pdf_link_begin_goto:nnw, \driver_pdf_link_begin_user:nnw}
 % \begin{macro}{\@@_pdf_link:nnnn}
 % \begin{macro}{\@@_pdf_link_minima:}
 % \begin{macro}{\@@_pdf_link_outerbox:n}
+% \begin{macro}{\@@_pdf_link_sf_save:, \@@_pdf_link_sf_restore:}
 % \begin{macro}
 %   {
 %     driver.linkdp.pad      ,
@@ -752,10 +761,13 @@
             def
       }
     \tl_gset:Nn \g_@@_pdf_link_dict_tl { #1 ~ #2 ~ #3 }
+    \@@_pdf_link_sf_save:
     \hbox_set:Nw \l_@@_pdf_content_box
+      \@@_pdf_link_sf_restore:
   }
 \cs_new_protected:Npn \driver_pdf_link_end:
   {
+      \@@_pdf_link_sf_save:
     \hbox_set_end:
     \@@_pdf_link_minima:
     \hbox_set:Nn \l_@@_pdf_model_box { Gg }
@@ -787,6 +799,7 @@
         driver.annotation.border
         /ANN ~ driver.pdfmark
       }
+    \@@_pdf_link_sf_restore:
   }
 \cs_new_protected:Npn \@@_pdf_link_minima:
   {
@@ -841,6 +854,23 @@
           ifelse 
       }
   }
+\cs_new_protected:Npn \@@_pdf_link_sf_save:
+  {
+    \int_gset:Nn \g_@@_pdf_link_sf_int
+      {
+        \mode_if_horizontal:TF
+          { \tex_spacefactor:D }
+          { 0 }
+      }
+  }
+\cs_new_protected:Npn \@@_pdf_link_sf_restore:
+  {
+    \mode_if_horizontal:T
+      {
+        \int_compare:nNnT \g_@@_pdf_link_sf_int > { 0 }
+          { \int_set_eq:NN \tex_spacefactor:D \g_@@_pdf_link_sf_int }
+      }
+  }
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}