Update lookup table on backspace key in hanja mode

In hanja mode, lookup table should be hiden when the preedit text is
empty. Or lookup table will never be closed on backspace, because
ibus-hangul tries to look up hanja with surrounding text.

diff --git a/src/engine.c b/src/engine.c
index f2d7835..b061184 100644 (file)
--- a/src/engine.c
+++ b/src/engine.c
@@ -965,6 +965,16 @@ ibus_hangul_engine_process_key_event (IBusEngine     *engine,
                 retval = TRUE;
             }
         }
+
+        ibus_hangul_engine_update_preedit_text (hangul);
+
+        if (hangul->hanja_mode) {
+            if (ibus_hangul_engine_has_preedit (hangul)) {
+                ibus_hangul_engine_update_lookup_table (hangul);
+            } else {
+                ibus_hangul_engine_hide_lookup_table (hangul);
+            }
+        }
     } else {
        // We need to normalize the keyval to US qwerty keylayout,
        // because the korean input method is depend on the position of
@@ -1024,16 +1034,16 @@ ibus_hangul_engine_process_key_event (IBusEngine     *engine,
                 ibus_engine_commit_text (engine, text);
             }
         }
-    }
 
-    ibus_hangul_engine_update_preedit_text (hangul);
+        ibus_hangul_engine_update_preedit_text (hangul);
 
-    if (hangul->hanja_mode) {
-        ibus_hangul_engine_update_lookup_table (hangul);
-    }
+        if (hangul->hanja_mode) {
+            ibus_hangul_engine_update_lookup_table (hangul);
+        }
 
-    if (!retval)
-        ibus_hangul_engine_flush (hangul);
+        if (!retval)
+            ibus_hangul_engine_flush (hangul);
+    }
 
     return retval;
 }