Number of translatable terms (like Chapter) are in English instead of Greek (#7841)

* Number of translatable terms (like Chapter) are in English instead of Greek

When running tests in Greek OUTPUT_LANGUAGE mode for LaTeX a number of terms like Chapter were still in English instead of Greek.

Some used references:
https://tex.stackexchange.com/questions/548584/ascii-text-set-in-greek-script-when-using-usepackagegreekbabel
https://tex.stackexchange.com/questions/548761/missing-characters-in-output-due-to-renewcommand-familydefault-sfdefault
https://tex.stackexchange.com/questions/58624/variables-for-hiding-or-showing-text-in-latex

* Number of translatable terms (like Chapter) are in English instead of Greek

- adding the possibilities for mono spaced font  (for code parts)
- creating a more flexible way to change fonts for different languages

See also discussion at  https://tex.stackexchange.com/questions/548901/missing-characters-in-greek-output-due-to-ttfamily

1 files changed, 22 insertions, 2 deletions

diff --git a/src/translator_gr.h b/src/translator_gr.h
index 6ed43db..854a956 100644
--- a/src/translator_gr.h
+++ b/src/translator_gr.h
@@ -59,8 +59,18 @@ class TranslatorGreek : public TranslatorAdapter_1_8_15
 
     virtual QCString latexLanguageSupportCommand()
     {
-      return "\\usepackage[greek,english]{babel}\n"
-             "\\usepackage{alphabeta}\n";
+      return "\\usepackage{fontspec}\n"
+             "\\usepackage[greek]{babel}\n";
+    }
+
+    virtual QCString latexFontenc()
+    {
+      return "";
+    }
+    virtual QCString latexFont()
+    {
+      return "\\setmainfont{Libertinus Sans}\n"
+             "\\setmonofont{Courier New}\n";
     }
 
     // --- Language translation methods -------------------
@@ -1159,6 +1169,16 @@ class TranslatorGreek : public TranslatorAdapter_1_8_15
       return "1253";
     }
 
+    virtual QCString latexCommandName()
+    {
+      QCString latex_command = Config_getString(LATEX_CMD_NAME);
+      if (latex_command.isEmpty()) latex_command = "latex";
+      if (Config_getBool(USE_PDFLATEX))
+      {
+        if (latex_command == "latex") latex_command = "xelatex";
+      }
+      return latex_command;
+    }
 
     /*! Used as ansicpg for RTF fcharset
      */