Patch to embed hotkeys and symbol property in component XML.
Index: ibus-m17n-1.3.2/configure.ac
===================================================================
--- ibus-m17n-1.3.2.orig/configure.ac
+++ ibus-m17n-1.3.2/configure.ac
@@ -122,6 +122,10 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GET
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION(0.16.1)
 
+# hotkeys in component xml
+IBUS_WITH_HOTKEYS
+IBUS_SET_SYMBOL([?])
+
 
 # OUTPUT files
 AC_CONFIG_FILES([ po/Makefile.in
Index: ibus-m17n-1.3.2/m4/ibus.m4
===================================================================
--- /dev/null
+++ ibus-m17n-1.3.2/m4/ibus.m4
@@ -0,0 +1,52 @@
+# IBUS_WITH_HOTKEYS([DEFAULT])
+AC_DEFUN([IBUS_WITH_HOTKEYS], [
+  IBUS_HOTKEYS_DEFAULT=m4_default([$1], [Control+space,Zenkaku_Hankaku])
+  AC_ARG_WITH(hotkeys,
+    [AC_HELP_STRING([--with-hotkeys=HOTKEYS],
+    [Use hotkeys for ibus bridge mode. (available value: yes/no/keys)])],
+    [with_hotkeys="$withval"],
+    [with_hotkeys="no"])
+  if test x$with_hotkeys = xno; then
+    IBUS_HOTKEYS_XML="<!-- <hotkeys>${IBUS_HOTKEYS_DEFAULT}</hotkeys> -->"
+  elif test x$with_hotkeys = xyes -o x$with_hotkeys = x; then
+    IBUS_HOTKEYS="$IBUS_HOTKEYS_DEFAULT"
+    IBUS_HOTKEYS_XML="<hotkeys>${IBUS_HOTKEYS}</hotkeys>"
+  else
+    IBUS_HOTKEYS="$with_hotkeys"
+    IBUS_HOTKEYS_XML="<hotkeys>${IBUS_HOTKEYS}</hotkeys>"
+  fi
+  if test x$IBUS_HOTKEYS != x; then
+    AC_DEFINE_UNQUOTED(IBUS_IBUS_HOTKEYS, ["$IBUS_HOTKEYS"],
+      [IME specific hotkeys for IBus])
+    AC_SUBST(IBUS_HOTKEYS)
+  fi
+  AC_SUBST(IBUS_HOTKEYS_XML)
+])
+
+# IBUS_SET_SYMBOL(SYMBOL)
+AC_DEFUN([IBUS_SET_SYMBOL], [
+  IBUS_SYMBOL="$1"
+  if test x$PYTHON = x; then
+    AM_PATH_PYTHON([2.5])
+  fi
+  AC_MSG_CHECKING([if ibus supports icon symbol])
+  $PYTHON <<_IBUS_SYMBOL_TEST
+import ibus
+engine = ibus.EngineDesc('test')
+exit(not hasattr(engine, 'symbol'))
+_IBUS_SYMBOL_TEST
+  if test $? -eq 0; then
+    IBUS_SYMBOL_XML="<symbol>${IBUS_SYMBOL}</symbol>"
+    AC_MSG_RESULT([yes])
+  else
+    IBUS_SYMBOL_XML="<!-- <symbol>${IBUS_SYMBOL}</symbol> -->"
+    IBUS_SYMBOL=
+    AC_MSG_RESULT([no])
+  fi
+  if test x$IBUS_SYMBOL != x; then
+    AC_DEFINE_UNQUOTED([IBUS_SYMBOL], ["$IBUS_SYMBOL"],
+      [Icon symbol string for IBus])
+    AC_SUBST(IBUS_SYMBOL)
+  fi
+  AC_SUBST(IBUS_SYMBOL_XML)
+])
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
@@ -254,5 +254,7 @@
 		<name>m17n:*</name>
 		<rank>0</rank>
 		<preedit-highlight>FALSE</preedit-highlight>
+		@IBUS_HOTKEYS_XML@
+		@IBUS_SYMBOL_XML@
 	</engine>
 </engines>
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
@@ -122,6 +122,8 @@ ibus_m17n_engine_new (MSymbol  lang,
                                            "icon",        engine_icon ? engine_icon : "",
                                            "layout",      "us",
                                            "rank",        config->rank,
+                                           "hotkeys",     config->hotkeys ? config->hotkeys : "",
+                                           "symbol",      config->symbol ? config->symbol : "",
                                            NULL);
 #else
     engine = ibus_engine_desc_new (engine_name,
@@ -282,6 +284,14 @@ ibus_m17n_engine_config_parse_xml_node (
             cnode->config.rank = atoi (sub_node->text);
             continue;
         }
+        if (g_strcmp0 (sub_node->name , "hotkeys") == 0) {
+            cnode->config.hotkeys = g_strdup (sub_node->text);
+            continue;
+        }
+        if (g_strcmp0 (sub_node->name , "symbol") == 0) {
+            cnode->config.symbol = 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 +14,12 @@ struct _IBusM17NEngineConfig {
     /* engine rank */
     gint rank;
 
+    /* hotkeys */
+    gchar *hotkeys;
+
+    /* symbol */
+    gchar *symbol;
+
     /* whether to highlight preedit */
     gboolean preedit_highlight;