[gtk+] GtkIMModule: Use default screen when determining context id

[Matthias Clasen <matthiasc src gnome org>]

commit f4a138c7bd9baf56685b4c8193f1371530a8f028
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Aug 11 15:35:07 2013 -0400

    GtkIMModule: Use default screen when determining context id
    
    This code is called early on, without a window, and then later on
    with a window. Currently, it returns different results for these
    cases when the setting contains a value. That leads to pointless
    construction and destruction of im contexts. Instead, just look
    at the settings of the default screen. In practice, there is only
    one screen, ever.

 gtk/gtkimmodule.c |   43 ++++++++++++++++++++-----------------------
 1 files changed, 20 insertions(+), 23 deletions(-)
---
diff --git a/gtk/gtkimmodule.c b/gtk/gtkimmodule.c
index e6372f2..2cbf9da 100644
--- a/gtk/gtkimmodule.c
+++ b/gtk/gtkimmodule.c
@@ -680,16 +680,16 @@ _gtk_im_module_get_default_context_id (GdkWindow *client_window)
   const gchar *envvar;
   GdkScreen *screen;
   GtkSettings *settings;
-      
+
   if (!contexts_hash)
     gtk_im_module_initialize ();
 
-  envvar = g_getenv("GTK_IM_MODULE");
+  envvar = g_getenv ("GTK_IM_MODULE");
   if (envvar)
     {
-        immodules = g_strsplit(envvar, ":", 0);
-        context_id = lookup_immodule(immodules);
-        g_strfreev(immodules);
+        immodules = g_strsplit (envvar, ":", 0);
+        context_id = lookup_immodule (immodules);
+        g_strfreev (immodules);
 
         if (context_id)
           return context_id;
@@ -697,21 +697,18 @@ _gtk_im_module_get_default_context_id (GdkWindow *client_window)
 
   /* Check if the certain immodule is set in XSETTINGS.
    */
-  if (GDK_IS_WINDOW (client_window))
+  screen = gdk_screen_get_default ();
+  settings = gtk_settings_get_for_screen (screen);
+  g_object_get (G_OBJECT (settings), "gtk-im-module", &tmp, NULL);
+  if (tmp)
     {
-      screen = gdk_window_get_screen (client_window);
-      settings = gtk_settings_get_for_screen (screen);
-      g_object_get (G_OBJECT (settings), "gtk-im-module", &tmp, NULL);
-      if (tmp)
-        {
-          immodules = g_strsplit(tmp, ":", 0);
-          context_id = lookup_immodule(immodules);
-          g_strfreev(immodules);
-          g_free (tmp);
-
-                 if (context_id)
-            return context_id;
-        }
+      immodules = g_strsplit (tmp, ":", 0);
+      context_id = lookup_immodule (immodules);
+      g_strfreev (immodules);
+      g_free (tmp);
+
+      if (context_id)
+        return context_id;
     }
 
   /* Strip the locale code down to the essentials
@@ -723,12 +720,12 @@ _gtk_im_module_get_default_context_id (GdkWindow *client_window)
   tmp = strchr (tmp_locale, '@');
   if (tmp)
     *tmp = '\0';
-  
+
   tmp_list = modules_list;
   while (tmp_list)
     {
       GtkIMModule *module = tmp_list->data;
-     
+
       for (i = 0; i < module->n_contexts; i++)
        {
          const gchar *p = module->contexts[i]->default_locales;
@@ -746,11 +743,11 @@ _gtk_im_module_get_default_context_id (GdkWindow *client_window)
              p = q ? q + 1 : NULL;
            }
        }
-      
+
       tmp_list = tmp_list->next;
     }
 
   g_free (tmp_locale);
-  
+
   return context_id ? context_id : SIMPLE_ID;
 }