Don't flush in switch_input_mode func on PREEDIT_NONE mode.

On PREEDIT_NONE mode, we don't need to flush preedit text.
I've missed out modifying ibus_hangul_engine_switch_input_mode()
function.

https://github.com/libhangul/ibus-hangul/issues/69

1 files changed, 5 insertions, 0 deletions

diff --git a/src/engine.c b/src/engine.c
index 922485b..98013e9 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -1826,6 +1826,11 @@ ibus_hangul_engine_switch_input_mode (IBusHangulEngine *hangul)
         input_mode = INPUT_MODE_HANGUL;
     }
 
+    if (hangul->preedit_mode == PREEDIT_MODE_NONE) {
+        hangul_ic_reset (hangul->context);
+        ustring_clear (hangul->preedit);
+    }
+
     ibus_hangul_engine_set_input_mode (hangul, input_mode);
 }