diff -up scim-1.4.7/utils/scimkeyselection.h.fix-capslock scim-1.4.7/utils/scimkeyselection.h
--- scim-1.4.7/utils/scimkeyselection.h.fix-capslock	2008-03-03 18:33:40.000000000 +0800
+++ scim-1.4.7/utils/scimkeyselection.h	2008-03-03 18:15:16.000000000 +0800
@@ -36,6 +36,7 @@ struct _ScimKeySelection
     GtkWidget *toggle_meta;
     GtkWidget *toggle_super;
     GtkWidget *toggle_hyper;
+    GtkWidget *toggle_capslock;
     GtkWidget *toggle_release;
     GtkWidget *key_code;
 
diff -up scim-1.4.7/utils/scimkeyselection.cpp.fix-capslock scim-1.4.7/utils/scimkeyselection.cpp
--- scim-1.4.7/utils/scimkeyselection.cpp.fix-capslock	2008-03-03 18:12:51.000000000 +0800
+++ scim-1.4.7/utils/scimkeyselection.cpp	2008-03-03 18:18:10.000000000 +0800
@@ -267,6 +267,11 @@ scim_key_selection_init (ScimKeySelectio
     gtk_widget_show (keyselection->toggle_hyper);
     gtk_box_pack_start (GTK_BOX (hbox), keyselection->toggle_hyper, TRUE, TRUE, 2);
 
+
+    keyselection->toggle_capslock = gtk_check_button_new_with_mnemonic (_("Ca_psLock")); 
+    gtk_widget_show (keyselection->toggle_capslock);
+    gtk_box_pack_start (GTK_BOX (hbox), keyselection->toggle_capslock, TRUE, TRUE, 2);
+    
     hbox = gtk_hbox_new (TRUE, 0);
     gtk_widget_show (hbox);
     gtk_box_pack_start (GTK_BOX (keyselection), hbox, FALSE, FALSE, 4);
@@ -319,6 +324,8 @@ scim_key_selection_add_key_button_callba
         key += String ("Super+");
     if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (keyselection->toggle_hyper)))
         key += String ("Hyper+");
+    if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (keyselection->toggle_capslock)))
+        key += String ("CapsLock+");
 
     key_code = String (gtk_entry_get_text (GTK_ENTRY (keyselection->key_code)));
     if (!key_code.length ()){
@@ -572,6 +579,9 @@ scim_key_selection_set_key_event (ScimKe
         GTK_TOGGLE_BUTTON (keyselection->toggle_hyper),
         event.is_hyper_down ());
     gtk_toggle_button_set_active (
+        GTK_TOGGLE_BUTTON (keyselection->toggle_capslock),
+        event.is_caps_lock_down ());
+    gtk_toggle_button_set_active (
         GTK_TOGGLE_BUTTON (keyselection->toggle_release),
         event.is_key_release ());