Add blur

Author: lenemter

protocol/pantheon-desktop-shell-v1.xml

@@ -98,6 +98,24 @@
 
       <arg name="hide_mode" type="uint" enum="hide_mode" summary="hide mode"/>
     </request>
+
+    <request name="add_blur">
+      <description summary="add blur">
+        Tell the window manager to add background blur.
+      </description>
+
+      <arg name="left" type="uint"/>
+      <arg name="right" type="uint"/>
+      <arg name="top" type="uint"/>
+      <arg name="bottom" type="uint"/>
+      <arg name="clip_radius" type="uint"/>
+    </request>
+
+    <request name="remove_blur">
+      <description summary="remove blur">
+        Tell the window manager to remove blur that was set in set_blur_region.
+      </description>
+    </request>
   </interface>
 
   <interface name="io_elementary_pantheon_widget_v1" version="1">
@@ -111,5 +129,21 @@
         Tell the shell to keep the surface above on all workspaces
       </description>
     </request>
+
+    <request name="make_centered">
+      <description summary="requests to keep the surface centered">
+        Request to keep the surface centered. This will cause keyboard focus
+        to not be granted automatically but having to be requested via focus.
+      </description>
+    </request>
+
+    <request name="focus">
+      <description summary="request keyboard focus">
+        Request keyboard focus, taking it away from any other window.
+        Keyboard focus must always be manually be requested and is
+        - in contrast to normal windows - never automatically granted
+        by the compositor.
+      </description>
+    </request>
   </interface>
 </protocol>

protocol/pantheon-desktop-shell.vapi

@@ -47,6 +47,8 @@ namespace Pantheon.Desktop {
         public void focus ();
         public void set_size (int width, int height);
         public void set_hide_mode (Pantheon.Desktop.HideMode hide_mode);
+        public void add_blur (uint left, uint right, uint top, uint bottom, uint clip_radius);
+        public void remove_blur ();
     }
 
     [CCode (cheader_filename = "pantheon-desktop-shell-client-protocol.h", cname = "struct io_elementary_pantheon_widget_v1", cprefix = "io_elementary_pantheon_widget_v1_")]

src/MainWindow.vala

@@ -18,6 +18,8 @@ public class Dock.MainWindow : Gtk.ApplicationWindow {
 
     // Matches top margin in Launcher.css
     private const int TOP_MARGIN = 64;
+    private const int MARGIN_BOTTOM = 9;
+    private const int BORDER_RADIUS = 9;
 
     private Settings transparency_settings;
     private static Settings settings = new Settings ("io.elementary.dock");
@@ -95,6 +97,7 @@ public class Dock.MainWindow : Gtk.ApplicationWindow {
                 panel = desktop_shell.get_panel (wl_surface);
                 panel.set_anchor (BOTTOM);
                 panel.set_hide_mode (settings.get_enum ("autohide-mode"));
+                panel.add_blur (0, 0, 0, MARGIN_BOTTOM, BORDER_RADIUS);
             }
         }
     }