File gdm-xkb-us-additional-layout.patch of Package gdm

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File gdm-xkb-us-additional-layout.patch of Package gdm

Index: gdm-2.24.0/gui/simple-greeter/gdm-layouts.c
===================================================================
--- gdm-2.24.0.orig/gui/simple-greeter/gdm-layouts.c
+++ gdm-2.24.0/gui/simple-greeter/gdm-layouts.c
@@ -250,6 +250,104 @@ gdm_layout_get_init_layout (void)
 #endif
 }
 
+#ifdef HAVE_LIBXKLAVIER
+#define GROUP_SWITCH_PREFIX "grp:"
+#define GROUP_SWITCH_DEFAULT "grp:shifts_toggle"
+
+static void
+_gdm_layout_activate_maybe_setup_additional_layout (XklConfigRec *config)
+{
+        char *layout;
+
+        layout = config->layouts[0];
+
+        /* Add "us" as second layout for some cases.
+         * Please keep the list of cases in sync with the similar patch
+         * in gnome-settings-daemon.
+         * See https://bugzilla.novell.com/show_bug.cgi?id=509920#c13 */
+
+        if (strcmp (layout, "ara") != 0 &&
+            strcmp (layout, "cz")  != 0 &&
+            strcmp (layout, "gr")  != 0 &&
+            strcmp (layout, "kh")  != 0 &&
+            strcmp (layout, "sk")  != 0 &&
+            strcmp (layout, "ru")  != 0) {
+                /* do nothing specific */
+                config->options = g_strdupv (initial_config->options);
+                return;
+        }
+
+        /* layouts: we want to add "us"; we need a bigger array here */
+        g_free (config->layouts);
+        config->layouts = g_new0 (char *, 3);
+        config->layouts[0] = layout;
+        config->layouts[1] = g_strdup ("us");
+
+        /* variants: no change, we keep what we have */
+
+        /* options: we need to be sure there's a way to change the layout */
+        if (!initial_config->options) {
+                config->options = g_new0 (char *, 2);
+                config->options[0] = g_strdup (GROUP_SWITCH_DEFAULT);
+        } else {
+                int      len;
+                gboolean found;
+
+                found = FALSE;
+
+                for (len = 0; initial_config->options[len] != NULL; len++) {
+                        if (g_ascii_strncasecmp (initial_config->options[len],
+                                                 GROUP_SWITCH_PREFIX,
+                                                 strlen (GROUP_SWITCH_PREFIX)) == 0) {
+                                found = TRUE;
+                                break;
+                        }
+                }
+
+                if (found) {
+                        config->options = g_strdupv (initial_config->options);
+                } else {
+                        int i;
+
+                        config->options = g_new0 (char *, len + 2);
+                        for (i = 0; i < len; i++) {
+                                config->options[i] = g_strdup (initial_config->options[i]);
+                        }
+                        config->options[len] = g_strdup (GROUP_SWITCH_DEFAULT);
+                }
+        }
+}
+
+
+static void
+_gdm_layout_maybe_reinit_group (XklConfigRec *config)
+{
+        static char **previous_layouts = NULL;
+        int           i;
+
+        if (previous_layouts == NULL) {
+                previous_layouts = g_strdupv (initial_config->layouts);
+        }
+
+        if (!config->layouts || !previous_layouts)
+                return;
+
+        /* compare the two config and only reinit the group if they are
+         * different */
+        for (i = 0; config->layouts[i] && previous_layouts[i]; i++) {
+                if (strcmp (config->layouts[i], previous_layouts[i]) !=0) {
+                        break;
+                }
+        }
+
+        if (config->layouts[i] || previous_layouts[i]) {
+                xkl_engine_lock_group (engine, 0);
+                g_strfreev (previous_layouts);
+                previous_layouts = g_strdupv (config->layouts);
+        }
+}
+#endif
+
 void
 gdm_layout_activate (const char *layout)
 {
@@ -276,10 +374,14 @@ gdm_layout_activate (const char *layout)
                         config->layouts[0][p - config->layouts[0]] = 0;
                         config->variants[0] = g_strdup (p + 1);
                 }
+
+                _gdm_layout_activate_maybe_setup_additional_layout (config);
         }
 
         xkl_config_rec_activate (config, engine);
 
+        _gdm_layout_maybe_reinit_group (config);
+
         g_object_unref (config);
 #endif
 }

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File gdm-xkb-us-additional-layout.patch of Package gdm

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