dinput: The DIK_ keycode is not the same as the scancode.

It is mapped with the keyboard mapping to the resulting character so the key 'A' is DIK_A nomatter what its scancode or vkey would be. This is relevant to Japanese keymapping where the '@' key is in the '[' location the scancode for both is 0x22 but dinput generates DIK_AT in japanese and DIK_LBRACKET in us_qwerty.

dinput: The DIK_ keycode is not the same as the scancode.
304ff3c7 · Aric Stewart · Alexandre Julliard · 0a1a4f7c · 304ff3c7
Commit 304ff3c7 authored Aug 06, 2008 by Aric Stewart Committed by Alexandre Julliard Aug 20, 2008
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keyboard.c dlls/dinput/keyboard.c +25 -1

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--- a/dlls/dinput/keyboard.c
+++ b/dlls/dinput/keyboard.c
@@ -50,6 +50,30 @@ struct SysKeyboardImpl
    BYTE DInputKeyState[WINE_DINPUT_KEYBOARD_MAX_KEYS];
 };

+static BYTE map_dik_code(DWORD scanCode, DWORD vkCode)
+{
+    static const BYTE asciiCodes[] =
+     {/*32*/  DIK_SPACE,0,0,0,0,0,0,DIK_APOSTROPHE, \
+      /*40*/  0,0,0,0,DIK_COMMA,DIK_MINUS,DIK_PERIOD,DIK_SLASH, \
+      /*48*/  DIK_0,DIK_1,DIK_2,DIK_3,DIK_4,DIK_5,DIK_6,DIK_7, \
+      /*56*/  DIK_8,DIK_9,DIK_COLON,DIK_SEMICOLON,0,DIK_EQUALS,0,0, \
+      /*64*/  DIK_AT,DIK_A,DIK_B,DIK_C,DIK_D,DIK_E,DIK_F,DIK_G, \
+      /*72*/  DIK_H,DIK_I,DIK_J,DIK_K,DIK_L,DIK_M,DIK_N,DIK_O, \
+      /*80*/  DIK_P,DIK_Q,DIK_R,DIK_S,DIK_T,DIK_U,DIK_V,DIK_W, \
+      /*88*/  DIK_X,DIK_Y,DIK_Z,DIK_LBRACKET,0,DIK_RBRACKET,DIK_CIRCUMFLEX,DIK_UNDERLINE}      /*95*/ ;
+
+    BYTE out_code = 0;
+    WCHAR c = MapVirtualKeyW(vkCode,MAPVK_VK_TO_CHAR);
+
+    if (c > 31 && c < 96)
+        out_code = asciiCodes[c - 32];
+
+    if (out_code == 0)
+        out_code = scanCode;
+
+    return out_code;
+}
+
 static void KeyboardCallback( LPDIRECTINPUTDEVICE8A iface, WPARAM wparam, LPARAM lparam )
 {
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
@@ -63,7 +87,7 @@ static void KeyboardCallback( LPDIRECTINPUTDEVICE8A iface, WPARAM wparam, LPARAM

    TRACE("(%p) %ld,%ld\n", iface, wparam, lparam);

-    dik_code = hook->scanCode & 0xff;
+    dik_code = map_dik_code(hook->scanCode & 0xff,hook->vkCode);
    /* R-Shift is special - it is an extended key with separate scan code */
    if (hook->flags & LLKHF_EXTENDED && dik_code != 0x36)
        dik_code |= 0x80;