[mutter/meego-1.0: 10/30] _MUTTER_HINTS

[Tomas Frydrych <tomasf src gnome org>]

commit 1286388f64249f7d7c2595477cb69b33ad2351de
Author: Tomas Frydrych <tf linux intel com>
Date:   Mon Jan 18 10:12:17 2010 +0000

    _MUTTER_HINTS
    
    A per-window property allowing plugins to use custom hints. This commit adds
    MetaWindow::mutter-hints property, and meta_window_get_mutter_hints() accessor,
    as well as the machinery for reading and updating of the hints.

 src/core/window-private.h |    1 +
 src/core/window-props.c   |   37 +++++++++++++++++++++++++++++++++++++
 src/core/window.c         |   27 ++++++++++++++++++++++++++-
 src/include/atomnames.h   |    1 +
 src/include/window.h      |    1 +
 5 files changed, 66 insertions(+), 1 deletions(-)
---
diff --git a/src/core/window-private.h b/src/core/window-private.h
index a048491..b5dcb22 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -99,6 +99,7 @@ struct _MetaWindow
   char *sm_client_id;
   char *wm_client_machine;
   char *startup_id;
+  char *mutter_hints;
 
   int net_wm_pid;
   
diff --git a/src/core/window-props.c b/src/core/window-props.c
index cfd9663..597d31a 100644
--- a/src/core/window-props.c
+++ b/src/core/window-props.c
@@ -524,6 +524,42 @@ reload_wm_name (MetaWindow    *window,
 }
 
 static void
+reload_mutter_hints (MetaWindow    *window,
+                     MetaPropValue *value,
+                     gboolean       initial)
+{
+  if (value->type != META_PROP_VALUE_INVALID)
+    {
+      char     *new_hints = value->v.str;
+      char     *old_hints = window->mutter_hints;
+      gboolean  changed   = FALSE;
+
+      if (new_hints)
+        {
+          if (!old_hints || strcmp (new_hints, old_hints))
+            changed = TRUE;
+        }
+      else
+        {
+          if (old_hints)
+            changed = TRUE;
+        }
+
+      if (changed)
+        {
+          g_free (old_hints);
+
+          if (new_hints)
+            window->mutter_hints = g_strdup (new_hints);
+          else
+            window->mutter_hints = NULL;
+
+          g_object_notify (G_OBJECT (window), "mutter-hints");
+        }
+    }
+}
+
+static void
 set_icon_title (MetaWindow *window,
                 const char *title)
 {
@@ -1529,6 +1565,7 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
     { display->atom__NET_WM_WINDOW_TYPE, META_PROP_VALUE_INVALID, reload_net_wm_window_type,  FALSE, TRUE },
     { display->atom__NET_WM_STRUT,         META_PROP_VALUE_INVALID, reload_struts,            FALSE, FALSE },
     { display->atom__NET_WM_STRUT_PARTIAL, META_PROP_VALUE_INVALID, reload_struts,            FALSE, FALSE },
+    { display->atom__MUTTER_HINTS,     META_PROP_VALUE_TEXT_PROPERTY, reload_mutter_hints,    TRUE,  FALSE },
     { 0 },
   };
 
diff --git a/src/core/window.c b/src/core/window.c
index 145b467..95566f4 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -147,7 +147,8 @@ enum {
   PROP_WINDOW_TYPE,
   PROP_USER_TIME,
   PROP_DEMANDS_ATTENTION,
-  PROP_URGENT
+  PROP_URGENT,
+  PROP_MUTTER_HINTS
 };
 
 enum
@@ -229,6 +230,9 @@ meta_window_get_property(GObject         *object,
     case PROP_URGENT:
       g_value_set_boolean (value, win->wm_hints_urgent);
       break;
+    case PROP_MUTTER_HINTS:
+      g_value_set_string (value, win->title);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -349,6 +353,13 @@ meta_window_class_init (MetaWindowClass *klass)
                                                          FALSE,
                                                          G_PARAM_READABLE));
 
+  g_object_class_install_property (object_class,
+                                   PROP_MUTTER_HINTS,
+                                   g_param_spec_string ("mutter-hints",
+                                                        "_MUTTER_HINTS",
+                                                        "_MUTTER_HINTS for this window",
+                                                        NULL,
+                                                        G_PARAM_READABLE));
   window_signals[WORKSPACE_CHANGED] =
     g_signal_new ("workspace-changed",
                   G_TYPE_FROM_CLASS (object_class),
@@ -9139,3 +9150,17 @@ meta_window_is_user_placed (MetaWindow *window)
 
   return window->user_placed;
 }
+
+/**
+ * meta_window_get_mutter_hints:
+ * @window: a #MetaWindow
+ *
+ * Returns the current value of the _MUTTER_HINTS property.
+ */
+const char *
+meta_window_get_mutter_hints (MetaWindow *window)
+{
+  g_return_val_if_fail (META_IS_WINDOW (window), NULL);
+
+  return window->mutter_hints;
+}
diff --git a/src/include/atomnames.h b/src/include/atomnames.h
index b5fbfb9..01e099e 100644
--- a/src/include/atomnames.h
+++ b/src/include/atomnames.h
@@ -58,6 +58,7 @@ item(_MUTTER_RESTART_MESSAGE)
 item(_MUTTER_RELOAD_THEME_MESSAGE)
 item(_MUTTER_SET_KEYBINDINGS_MESSAGE)
 item(_MUTTER_TOGGLE_VERBOSE)
+item(_MUTTER_HINTS)
 item(_GNOME_WM_KEYBINDINGS)
 item(_GNOME_PANEL_ACTION)
 item(_GNOME_PANEL_ACTION_MAIN_MENU)
diff --git a/src/include/window.h b/src/include/window.h
index bf20454..4099843 100644
--- a/src/include/window.h
+++ b/src/include/window.h
@@ -126,5 +126,6 @@ int         meta_window_get_pid (MetaWindow *window);
 const char *meta_window_get_client_machine (MetaWindow *window);
 gboolean    meta_window_is_modal (MetaWindow *window);
 gboolean    meta_window_is_user_placed (MetaWindow *window);
+const char *meta_window_get_mutter_hints (MetaWindow *window);
 
 #endif