[latexila] Bind GSettings key to gtef-style-scheme-id property

[Sébastien Wilmet <swilmet src gnome org>]

commit 3bccc3693b8be98514bfd39205e6825ee4015b7b
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Nov 18 15:08:14 2016 +0100

    Bind GSettings key to gtef-style-scheme-id property
    
    To simplify the code.

 src/app_settings.vala  |   14 --------------
 src/document.vala      |   11 +++++------
 src/document_view.vala |    1 -
 3 files changed, 5 insertions(+), 21 deletions(-)
---
diff --git a/src/app_settings.vala b/src/app_settings.vala
index e56126e..688f88b 100644
--- a/src/app_settings.vala
+++ b/src/app_settings.vala
@@ -68,20 +68,6 @@ public class AppSettings : GLib.Settings
             set_font (setting.get_string (key));
         });
 
-        editor.changed["scheme"].connect ((setting, key) =>
-        {
-            string scheme_id = setting.get_string (key);
-
-            Gtk.SourceStyleSchemeManager manager =
-                Gtk.SourceStyleSchemeManager.get_default ();
-            Gtk.SourceStyleScheme scheme = manager.get_scheme (scheme_id);
-
-            foreach (Document doc in LatexilaApp.get_instance ().get_documents ())
-                doc.style_scheme = scheme;
-
-            // we don't use doc.set_style_scheme_from_string() for performance reason
-        });
-
         editor.changed["tabs-size"].connect ((setting, key) =>
         {
             uint val;
diff --git a/src/document.vala b/src/document.vala
index 967ac8f..562f15a 100644
--- a/src/document.vala
+++ b/src/document.vala
@@ -49,6 +49,11 @@ public class Document : Gtef.Buffer
         {
             new_file = false;
         });
+
+        GLib.Settings editor_settings =
+            new GLib.Settings ("org.gnome.latexila.preferences.editor");
+        editor_settings.bind ("scheme", this, "gtef-style-scheme-id",
+            SettingsBindFlags.GET);
     }
 
     public new void insert (ref TextIter iter, string text, int len)
@@ -340,12 +345,6 @@ public class Document : Gtef.Buffer
         return current_etag != null && current_etag != _etag;
     }
 
-    public void set_style_scheme_from_string (string scheme_id)
-    {
-        SourceStyleSchemeManager manager = SourceStyleSchemeManager.get_default ();
-        style_scheme = manager.get_scheme (scheme_id);
-    }
-
     public void comment_selected_lines ()
     {
         TextIter start;
diff --git a/src/document_view.vala b/src/document_view.vala
index d396ae0..7ffb414 100644
--- a/src/document_view.vala
+++ b/src/document_view.vala
@@ -64,7 +64,6 @@ public class DocumentView : Gtef.View
         highlight_current_line = _editor_settings.get_boolean ("highlight-current-line");
         doc.highlight_matching_brackets =
             _editor_settings.get_boolean ("bracket-matching");
-        doc.set_style_scheme_from_string (_editor_settings.get_string ("scheme"));
         set_smart_home_end (SourceSmartHomeEndType.AFTER);
 
         // completion