From 2b1024fa50416feebc13d7ef49dbc19b6a9a0603 Mon Sep 17 00:00:00 2001
From: nanahi <130121847+na-na-hi@users.noreply.github.com>
Date: Fri, 15 Dec 2023 10:54:30 -0500
Subject: [PATCH] win32: handle WM_UNICHAR

WM_UNICHAR is sent by some 3rd-party IMEs.
---
 video/out/w32_common.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/video/out/w32_common.c b/video/out/w32_common.c
index ac27303b37..717430bb1f 100644
--- a/video/out/w32_common.c
+++ b/video/out/w32_common.c
@@ -457,9 +457,9 @@ static void handle_key_up(struct vo_w32_state *w32, UINT vkey, UINT scancode)
     }
 }
 
-static bool handle_char(struct vo_w32_state *w32, wchar_t wc)
+static bool handle_char(struct vo_w32_state *w32, WPARAM wc, bool decode)
 {
-    int c = decode_utf16(w32, wc);
+    int c = decode ? decode_utf16(w32, wc) : wc;
 
     if (c == 0)
         return true;
@@ -1446,9 +1446,16 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
         break;
     case WM_CHAR:
     case WM_SYSCHAR:
-        if (handle_char(w32, wParam))
+        if (handle_char(w32, wParam, true))
             return 0;
         break;
+    case WM_UNICHAR:
+        if (wParam == UNICODE_NOCHAR) {
+            return TRUE;
+        } else if (handle_char(w32, wParam, false)) {
+            return 0;
+        }
+        break;
     case WM_KILLFOCUS:
         mp_input_put_key(w32->input_ctx, MP_INPUT_RELEASE_ALL);
         w32->focused = false;