[PATCH 2/6] user32: Copy ToUnicodeEx from wineandroid.drv in nulldrv.

[Rémi Bernon]

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
---
 dlls/user32/driver.c | 79 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 78 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/driver.c b/dlls/user32/driver.c
index 8060baa5df1..65b9388a79a 100644
--- a/dlls/user32/driver.c
+++ b/dlls/user32/driver.c
@@ -297,7 +297,84 @@ static BOOL CDECL nulldrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 static INT CDECL nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
                                       int size, UINT flags, HKL layout )
 {
-    return 0;
+    WCHAR buffer[2];
+    BOOL shift = state[VK_SHIFT] & 0x80;
+    BOOL ctrl = state[VK_CONTROL] & 0x80;
+    BOOL numlock = state[VK_NUMLOCK] & 0x01;
+    INT len;
+
+    TRACE_(keyboard)( "virt %u, scan %u, state %p, str %p, size %d, flags %x, layout %p.\n",
+                      virt, scan, state, str, size, flags, layout );
+
+    buffer[0] = buffer[1] = 0;
+
+    if (scan & 0x8000) return 0; /* key up */
+
+    if (!ctrl)
+    {
+        switch (virt)
+        {
+        case VK_BACK:       buffer[0] = '\b'; break;
+        case VK_OEM_1:      buffer[0] = shift ? ':' : ';'; break;
+        case VK_OEM_2:      buffer[0] = shift ? '?' : '/'; break;
+        case VK_OEM_3:      buffer[0] = shift ? '~' : '`'; break;
+        case VK_OEM_4:      buffer[0] = shift ? '{' : '['; break;
+        case VK_OEM_5:      buffer[0] = shift ? '|' : '\\'; break;
+        case VK_OEM_6:      buffer[0] = shift ? '}' : ']'; break;
+        case VK_OEM_7:      buffer[0] = shift ? '"' : '\''; break;
+        case VK_OEM_COMMA:  buffer[0] = shift ? '<' : ','; break;
+        case VK_OEM_MINUS:  buffer[0] = shift ? '_' : '-'; break;
+        case VK_OEM_PERIOD: buffer[0] = shift ? '>' : '.'; break;
+        case VK_OEM_PLUS:   buffer[0] = shift ? '+' : '='; break;
+        case VK_RETURN:     buffer[0] = '\r'; break;
+        case VK_SPACE:      buffer[0] = ' '; break;
+        case VK_TAB:        buffer[0] = '\t'; break;
+        case VK_MULTIPLY:   buffer[0] = '*'; break;
+        case VK_ADD:        buffer[0] = '+'; break;
+        case VK_SUBTRACT:   buffer[0] = '-'; break;
+        case VK_DIVIDE:     buffer[0] = '/'; break;
+        default:
+            if (virt >= '0' && virt <= '9')
+            {
+                buffer[0] = shift ? ")!@#$%^&*("[virt - '0'] : virt;
+                break;
+            }
+            if (virt >= 'A' && virt <= 'Z')
+            {
+                buffer[0] = shift || (state[VK_CAPITAL] & 0x01) ? virt : virt + 'a' - 'A';
+                break;
+            }
+            if (virt >= VK_NUMPAD0 && virt <= VK_NUMPAD9 && numlock && !shift)
+            {
+                buffer[0] = '0' + virt - VK_NUMPAD0;
+                break;
+            }
+            if (virt == VK_DECIMAL && numlock && !shift)
+            {
+                buffer[0] = '.';
+                break;
+            }
+            break;
+        }
+    }
+    else /* Control codes */
+    {
+        switch (virt)
+        {
+        case VK_OEM_4:     buffer[0] = 0x1b; break;
+        case VK_OEM_5:     buffer[0] = 0x1c; break;
+        case VK_OEM_6:     buffer[0] = 0x1d; break;
+        case VK_SUBTRACT:  buffer[0] = 0x1e; break;
+        default:
+            if (virt >= 'A' && virt <= 'Z') buffer[0] = virt - 'A' + 1;
+            break;
+        }
+    }
+
+    len = wcslen( buffer );
+    wcsncpy( str, buffer, size );
+    TRACE_(keyboard)( "ret %d, str %s.\n", len, debugstr_wn(str, len) );
+    return len;
 }
 
 static BOOL CDECL nulldrv_UnloadKeyboardLayout( HKL layout )
-- 
2.31.0