comctl32/edit: Handle IME composition result string only when EIMES_GETCOMPSTRATONCE is set.

If EIMES_GETCOMPSTRATONCE is not set, WM_IME_COMPOSITION with LPARAM set to GCS_RESULTSTR should be passed to the default window procedure according to MSDN. Fix some windows based on edit control not being able to input Chinese. Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>

comctl32/edit: Handle IME composition result string only when EIMES_GETCOMPSTRATONCE is set.
a1aff0ec · Zhiyi Zhang · Alexandre Julliard · b3b1cec0 · a1aff0ec
Commit a1aff0ec authored Aug 12, 2022 by Zhiyi Zhang Committed by Alexandre Julliard Aug 16, 2022
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edit.c dlls/comctl32/edit.c +6 -0

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--- a/dlls/comctl32/edit.c
+++ b/dlls/comctl32/edit.c
@@ -5062,6 +5062,12 @@ static LRESULT CALLBACK EDIT_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPAR
        break;

    case WM_IME_COMPOSITION:
+        if (lParam & GCS_RESULTSTR && !(es->ime_status & EIMES_GETCOMPSTRATONCE))
+        {
+            DefWindowProcW(hwnd, msg, wParam, lParam);
+            break;
+        }
+
        EDIT_ImeComposition(hwnd, lParam, es);
        break;