[gnome-builder/wip/chergert/gutter] add settings for diagnostics in gutter

[Christian Hergert <chergert src gnome org>]

commit 7627473c093d2610555a0a97fe0503f994ed0706
Author: Christian Hergert <chergert redhat com>
Date:   Sun Sep 17 23:59:46 2017 -0700

    add settings for diagnostics in gutter

 .../gsettings/org.gnome.builder.editor.gschema.xml |    5 +++++
 libide/editor/ide-editor-view-settings.c           |    4 ++++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/data/gsettings/org.gnome.builder.editor.gschema.xml 
b/data/gsettings/org.gnome.builder.editor.gschema.xml
index 1bc5023..d7e4cc4 100644
--- a/data/gsettings/org.gnome.builder.editor.gschema.xml
+++ b/data/gsettings/org.gnome.builder.editor.gschema.xml
@@ -29,6 +29,11 @@
       <summary>Show modified lines</summary>
       <description>If enabled, the editor will show line additions and changes next to the source 
code.</description>
     </key>
+    <key name="show-line-diagnostics" type="b">
+      <default>true</default>
+      <summary>Show diagnostics next to line number</summary>
+      <description>If enabled, the editor will show diagnostics to the left to the line 
numbers.</description>
+    </key>
     <key name="highlight-current-line" type="b">
       <default>false</default>
       <summary>Highlight current line</summary>
diff --git a/libide/editor/ide-editor-view-settings.c b/libide/editor/ide-editor-view-settings.c
index 663de12..86823c3 100644
--- a/libide/editor/ide-editor-view-settings.c
+++ b/libide/editor/ide-editor-view-settings.c
@@ -151,6 +151,10 @@ _ide_editor_view_init_settings (IdeEditorView *self)
                    source_view, "show-line-changes",
                    G_SETTINGS_BIND_GET);
 
+  g_settings_bind (self->editor_settings, "show-line-diagnostics",
+                   source_view, "show-line-diagnostics",
+                   G_SETTINGS_BIND_GET);
+
   g_settings_bind (self->editor_settings, "show-line-numbers",
                    source_view, "show-line-numbers",
                    G_SETTINGS_BIND_GET);