Rémi Bernon : user32: Add a default VkKeyScanEx implementation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d1c2fadac4406ede61de8ca0b7be4b275310a80f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=d1c2fadac4406ede61de8ca0b7be4b275310a80f

Author: Rémi Bernon <rbernon at codeweavers.com>
Date:   Fri Apr 30 10:43:57 2021 +0200

user32: Add a default VkKeyScanEx implementation.

This is basically the reverse of ToUnicodeEx.

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/user32/driver.c |  9 +-------
 dlls/user32/input.c  | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 60 insertions(+), 10 deletions(-)

diff --git a/dlls/user32/driver.c b/dlls/user32/driver.c
index 97733bb9bd3..e3cf41561b5 100644
--- a/dlls/user32/driver.c
+++ b/dlls/user32/driver.c
@@ -300,14 +300,7 @@ static void CDECL nulldrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 
 static SHORT CDECL nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 {
-    static const short ctrl_vks[] = {
-        0x332, 0x241, 0x242, 0x003, 0x244, 0x245, 0x246, 0x247,
-        0x008, 0x009, 0x20d, 0x24b, 0x24c, 0x00d, 0x24e, 0x24f,
-        0x250, 0x251, 0x252, 0x253, 0x254, 0x255, 0x256, 0x257,
-        0x258, 0x259, 0x25a, 0x01b, 0x2dc, 0x2dd, 0x336, 0x3bd
-    };
-
-    return ch < ARRAY_SIZE(ctrl_vks) ? ctrl_vks[ch] : -1;
+    return -256; /* use default implementation */
 }
 
 static void CDECL nulldrv_DestroyCursorIcon( HCURSOR cursor )
diff --git a/dlls/user32/input.c b/dlls/user32/input.c
index d2e41cd8212..4ecc73c4ad0 100644
--- a/dlls/user32/input.c
+++ b/dlls/user32/input.c
@@ -674,9 +674,66 @@ WORD WINAPI VkKeyScanExA(CHAR cChar, HKL dwhkl)
 /******************************************************************************
  *		VkKeyScanExW (USER32.@)
  */
-WORD WINAPI VkKeyScanExW(WCHAR cChar, HKL dwhkl)
+WORD WINAPI VkKeyScanExW( WCHAR chr, HKL layout )
 {
-    return USER_Driver->pVkKeyScanEx(cChar, dwhkl);
+    WORD shift = 0x100, ctrl = 0x200;
+    SHORT ret;
+
+    TRACE_(keyboard)( "chr %s, layout %p\n", debugstr_wn(&chr, 1), layout );
+
+    if ((ret = USER_Driver->pVkKeyScanEx( chr, layout )) != -256) return ret;
+
+    /* FIXME: English keyboard layout specific */
+
+    if (chr == VK_CANCEL || chr == VK_BACK || chr == VK_TAB || chr == VK_RETURN ||
+        chr == VK_ESCAPE || chr == VK_SPACE) ret = chr;
+    else if (chr >= '0' && chr <= '9') ret = chr;
+    else if (chr == ')') ret = shift + '0';
+    else if (chr == '!') ret = shift + '1';
+    else if (chr == '@') ret = shift + '2';
+    else if (chr == '#') ret = shift + '3';
+    else if (chr == '$') ret = shift + '4';
+    else if (chr == '%') ret = shift + '5';
+    else if (chr == '^') ret = shift + '6';
+    else if (chr == '&') ret = shift + '7';
+    else if (chr == '*') ret = shift + '8';
+    else if (chr == '(') ret = shift + '9';
+    else if (chr >= 'a' && chr <= 'z') ret = chr - 'a' + 'A';
+    else if (chr >= 'A' && chr <= 'Z') ret = shift + chr;
+    else if (chr == ';') ret = VK_OEM_1;
+    else if (chr == '=') ret = VK_OEM_PLUS;
+    else if (chr == ',') ret = VK_OEM_COMMA;
+    else if (chr == '-') ret = VK_OEM_MINUS;
+    else if (chr == '.') ret = VK_OEM_PERIOD;
+    else if (chr == '/') ret = VK_OEM_2;
+    else if (chr == '`') ret = VK_OEM_3;
+    else if (chr == '[') ret = VK_OEM_4;
+    else if (chr == '\\') ret = VK_OEM_5;
+    else if (chr == ']') ret = VK_OEM_6;
+    else if (chr == '\'') ret = VK_OEM_7;
+    else if (chr == ':') ret = shift + VK_OEM_1;
+    else if (chr == '+') ret = shift + VK_OEM_PLUS;
+    else if (chr == '<') ret = shift + VK_OEM_COMMA;
+    else if (chr == '_') ret = shift + VK_OEM_MINUS;
+    else if (chr == '>') ret = shift + VK_OEM_PERIOD;
+    else if (chr == '?') ret = shift + VK_OEM_2;
+    else if (chr == '~') ret = shift + VK_OEM_3;
+    else if (chr == '{') ret = shift + VK_OEM_4;
+    else if (chr == '|') ret = shift + VK_OEM_5;
+    else if (chr == '}') ret = shift + VK_OEM_6;
+    else if (chr == '\"') ret = shift + VK_OEM_7;
+    else if (chr == 0x7f) ret = ctrl + VK_BACK;
+    else if (chr == '\n') ret = ctrl + VK_RETURN;
+    else if (chr == 0xf000) ret = ctrl + '2';
+    else if (chr == 0x0000) ret = ctrl + shift + '2';
+    else if (chr >= 0x0001 && chr <= 0x001a) ret = ctrl + 'A' + chr - 1;
+    else if (chr >= 0x001c && chr <= 0x001d) ret = ctrl + VK_OEM_3 + chr;
+    else if (chr == 0x001e) ret = ctrl + shift + '6';
+    else if (chr == 0x001f) ret = ctrl + shift + VK_OEM_MINUS;
+    else ret = -1;
+
+    TRACE_(keyboard)( "ret %04x\n", ret );
+    return ret;
 }
 
 /**********************************************************************