Patch to set certain XKB options when an m17n IME is set.
Index: ibus-m17n-1.3.2/src/default.xml.in.in
===================================================================
--- ibus-m17n-1.3.2.orig/src/default.xml.in.in
+++ ibus-m17n-1.3.2/src/default.xml.in.in
@@ -12,19 +12,22 @@
 		<preedit-highlight>FALSE</preedit-highlight>
 	</engine>
 	<engine>
-		<name>m17n:bn:inscript</name>
+		<name>m17n:bn:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
-		<name>m17n:gu:inscript</name>
+		<name>m17n:gu:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
-		<name>m17n:hi:inscript</name>
+		<name>m17n:hi:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
 		<name>m17n:kn:kgp</name>
@@ -37,19 +40,22 @@
 		<preedit-highlight>FALSE</preedit-highlight>
 	</engine>
 	<engine>
-		<name>m17n:mai:inscript</name>
+		<name>m17n:mai:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
-		<name>m17n:ml:inscript</name>
+		<name>m17n:ml:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
-		<name>m17n:mr:inscript</name>
+		<name>m17n:mr:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
 		<name>m17n:ne:rom</name>
@@ -57,14 +63,16 @@
 		<preedit-highlight>FALSE</preedit-highlight>
 	</engine>
 	<engine>
-		<name>m17n:or:inscript</name>
+		<name>m17n:or:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
-		<name>m17n:pa:inscript</name>
+		<name>m17n:pa:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
 		<name>m17n:sa:harvard-kyoto</name>
@@ -72,14 +80,16 @@
 		<preedit-highlight>FALSE</preedit-highlight>
 	</engine>
 	<engine>
-		<name>m17n:sd:inscript</name>
+		<name>m17n:sd:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
 		<name>m17n:si:wijesekera</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
 		<name>m17n:ta:tamil99</name>
@@ -87,9 +97,10 @@
 		<preedit-highlight>FALSE</preedit-highlight>
 	</engine>
 	<engine>
-		<name>m17n:te:inscript</name>
+		<name>m17n:te:inscript*</name>
 		<rank>2</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<!-- Samanala should have lower rank than other Sinhala
 	     engines since it is the only non-keyboard input method in
@@ -226,6 +237,7 @@
 		<name>m17n:si:*</name>
 		<rank>1</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		<layout>default[lv3:ralt_switch]</layout>
 	</engine>
 	<engine>
 		<name>m17n:ta:*</name>
Index: ibus-m17n-1.3.2/src/m17nutil.c
===================================================================
--- ibus-m17n-1.3.2.orig/src/m17nutil.c
+++ ibus-m17n-1.3.2/src/m17nutil.c
@@ -120,7 +120,7 @@ ibus_m17n_engine_new (MSymbol  lang,
                                            "language",    msymbol_name (lang),
                                            "license",     "GPL",
                                            "icon",        engine_icon ? engine_icon : "",
-                                           "layout",      "us",
+                                           "layout",      config->layout ? config->layout : "us",
                                            "rank",        config->rank,
                                            NULL);
 #else
@@ -282,6 +282,11 @@ ibus_m17n_engine_config_parse_xml_node (
             cnode->config.rank = atoi (sub_node->text);
             continue;
         }
+        if (g_strcmp0 (sub_node->name , "layout") == 0) {
+            g_free (cnode->config.layout);
+            cnode->config.layout = g_strdup (sub_node->text);
+            continue;
+        }
         if (g_strcmp0 (sub_node->name , "preedit-highlight") == 0) {
             if (g_ascii_strcasecmp ("TRUE", sub_node->text) == 0)
                 cnode->config.preedit_highlight = TRUE;
Index: ibus-m17n-1.3.2/src/m17nutil.h
===================================================================
--- ibus-m17n-1.3.2.orig/src/m17nutil.h
+++ ibus-m17n-1.3.2/src/m17nutil.h
@@ -14,6 +14,9 @@ struct _IBusM17NEngineConfig {
     /* engine rank */
     gint rank;
 
+    /* keyboard layout */
+    gchar *layout;
+
     /* whether to highlight preedit */
     gboolean preedit_highlight;
 };