[mutter/wip/compositor-menu: 7/13] wayland: Add support for set_surface_type

[Jasper St. Pierre <jstpierre src gnome org>]

commit d294fa45d14bbc67175747501cb94b6c2e998670
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Mar 13 16:45:26 2014 -0400

    wayland: Add support for set_surface_type

 protocol/xdg-shell.xml             |   17 +++++++++++++++++
 src/wayland/meta-wayland-surface.c |   27 +++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 0 deletions(-)
---
diff --git a/protocol/xdg-shell.xml b/protocol/xdg-shell.xml
index a2913c4..47ff260 100644
--- a/protocol/xdg-shell.xml
+++ b/protocol/xdg-shell.xml
@@ -201,6 +201,23 @@
       <arg name="app_id" type="string"/>
     </request>
 
+    <enum name="surface_type">
+      <description summary="surface types">
+        Surface
+      </description>
+      <entry name="normal" value="0" summary="A normal window. This is the default type."/>
+      <entry name="modal_dialog" value="1" summary="A modal dialog."/>
+    </enum>
+
+    <request name="set_surface_type">
+      <description summary="set the surface type">
+        Sets the type of the surface. These are high-level "roles" of
+        surfaces designed to give the compositor more heuristics about
+        how to place and manage the window.
+      </description>
+      <arg name="surface_type" type="uint" summary="a surface type from surface_type"/>
+    </request>
+
     <request name="move">
       <description summary="start an interactive move">
        Start a pointer-driven move of the surface.
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 86f3dd8..680c79c 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -749,6 +749,32 @@ xdg_surface_set_app_id (struct wl_client *client,
   meta_window_set_wm_class (surface->window, app_id, app_id);
 }
 
+static MetaWindowType
+window_type_from_surface_type (uint32_t surface_type)
+{
+  switch (surface_type)
+    {
+    case XDG_SURFACE_SURFACE_TYPE_NORMAL:
+      return META_WINDOW_NORMAL;
+    case XDG_SURFACE_SURFACE_TYPE_MODAL_DIALOG:
+      return META_WINDOW_MODAL_DIALOG;
+    default:
+      g_warning ("Unknown surface type: %d\n", surface_type);
+      return META_WINDOW_NORMAL;
+    }
+}
+
+static void
+xdg_surface_set_surface_type (struct wl_client *client,
+                              struct wl_resource *resource,
+                              uint32_t surface_type)
+{
+  MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
+
+  meta_window_set_type (surface->window,
+                        window_type_from_surface_type (surface_type));
+}
+
 static gboolean
 begin_grab_op_on_surface (MetaWaylandSurface *surface,
                           MetaWaylandSeat    *seat,
@@ -898,6 +924,7 @@ static const struct xdg_surface_interface meta_wayland_xdg_surface_interface = {
   xdg_surface_set_margin,
   xdg_surface_set_title,
   xdg_surface_set_app_id,
+  xdg_surface_set_surface_type,
   xdg_surface_move,
   xdg_surface_resize,
   xdg_surface_set_output,