Merge branch 'tari01-pr/add-background-position'

Attributes GH PR #120: https://github.com/ArcticaProject/arctica-greeter/pull/120

3 files changed, 40 insertions, 2 deletions

diff --git a/data/org.ArcticaProject.arctica-greeter.gschema.xml b/data/org.ArcticaProject.arctica-greeter.gschema.xml
index b5c2cab..540d87f 100644
--- a/data/org.ArcticaProject.arctica-greeter.gschema.xml
+++ b/data/org.ArcticaProject.arctica-greeter.gschema.xml
@@ -347,5 +347,16 @@
       <default>'#000000'</default>
       <summary>The background color of the menubar in #RRGGBB format.</summary>
     </key>
+    <key name="background-position" type="s">
+      <choices>
+        <choice value='center'/>
+        <choice value='top-left'/>
+        <choice value='top-right'/>
+        <choice value='bottom-left'/>
+        <choice value='bottom-right'/>
+      </choices>
+      <default>'center'</default>
+      <summary>The position of the background image.</summary>
+    </key>
   </schema>
 </schemalist>
diff --git a/src/background.vala b/src/background.vala
index bf1ca6f..07dce7e 100644
--- a/src/background.vala
+++ b/src/background.vala
@@ -173,17 +173,43 @@ class BackgroundLoader : Object
         var target_aspect = (double) width / height;
         var aspect = (double) image.width / image.height;
         double scale, offset_x = 0, offset_y = 0;
+        string sPosition = AGSettings.get_string (AGSettings.KEY_BACKGROUND_POSITION);
+
         if (aspect > target_aspect)
         {
             /* Fit height and trim sides */
             scale = (double) height / image.height;
-            offset_x = (image.width * scale - width) / 2;
+
+            if (sPosition == "center")
+            {
+                offset_x = (image.width * scale - width) / 2;
+            }
+            else if (sPosition == "top-left" || sPosition == "bottom-left")
+            {
+                offset_x = 0;
+            }
+            else if (sPosition == "top-right" || sPosition == "bottom-right")
+            {
+                offset_x = (image.width * scale - width);
+            }
         }
         else
         {
             /* Fit width and trim top and bottom */
             scale = (double) width / image.width;
-            offset_y = (image.height * scale - height) / 2;
+
+            if (sPosition == "center")
+            {
+                offset_y = (image.height * scale - height) / 2;
+            }
+            else if (sPosition == "top-left" || sPosition == "top-right")
+            {
+                offset_y = 0;
+            }
+            else if (sPosition == "bottom-left" || sPosition == "bottom-right")
+            {
+                offset_y = (image.height * scale - height);
+            }
         }
 
         var scaled_image = new Gdk.Pixbuf (image.colorspace, image.has_alpha, image.bits_per_sample, width, height);
diff --git a/src/settings.vala b/src/settings.vala
index 865fe4a..d479aa6 100644
--- a/src/settings.vala
+++ b/src/settings.vala
@@ -101,6 +101,7 @@ public class AGSettings : Object
     public const string KEY_LOGO_OFFSET_VERTICAL = "logo-offset-vertical";
     public const string KEY_ERROR_BELOW_ENTRY = "error-below-entry";
     public const string KEY_MENUBAR_BGCOLOR = "menubar-bgcolor";
+    public const string KEY_BACKGROUND_POSITION = "background-position";
 
     public static bool get_boolean (string key)
     {