a11y: Disable background image when in high-contrast mode.

This adds a configurable 'high-contrast-background-color' gsetting
parameter (defaulting to #000000), so the high contrast bgcolor becomes
customizable.

1 files changed, 25 insertions, 1 deletions

diff --git a/src/background.vala b/src/background.vala
index 70813ea..a0a2af1 100644
--- a/src/background.vala
+++ b/src/background.vala
@@ -421,6 +421,25 @@ public class Background : Gtk.Fixed
         }
     }
 
+    private string _highcontrast_bgcolor = null;
+    public string highcontrast_bgcolor {
+        get {
+            if (_highcontrast_bgcolor == null)
+            {
+                var settings_bgcolor = AGSettings.get_string (AGSettings.KEY_HIGH_CONTRAST_BACKGROUND_COLOR);
+                var color = Gdk.RGBA ();
+
+                if (settings_bgcolor == "" || !color.parse (settings_bgcolor))
+                {
+                    settings_bgcolor = "#000000";
+                }
+
+                _highcontrast_bgcolor = settings_bgcolor;
+            }
+            return _highcontrast_bgcolor;
+        }
+    }
+
     private string _system_background;
     public string? system_background {
         get {
@@ -722,7 +741,12 @@ public class Background : Gtk.Fixed
 
     private BackgroundLoader load_background (string? filename)
     {
-        if (filename == null)
+        var agsettings = new AGSettings ();
+        if (agsettings.high_contrast)
+        {
+            filename = highcontrast_bgcolor;
+        }
+        else if (filename == null)
         {
             filename = fallback_bgcolor;
         } else