Patch to recognize VK_LMENU and VK_RMENU in alt-key combos (bug 4685)

This patch looks for VK_LMENU and VK_RMENU in addition to VK_MENU when dealing
with ALT-key combo messages. This is the easiest way to add this functionality,
but arguably not the cleanest.

2006-03-21 Thomas Kho <tkho@ucla.edu>

	* dlls/x11drv/keyboard.c
	x11drv: recognize VK_LMENU and VK_RMENU in ALT-key combos

Signed-off-by: Thomas Kho <tkho@ucla.edu>
Index: dlls/x11drv/keyboard.c
===================================================================
RCS file: /home/wine/wine/dlls/x11drv/keyboard.c,v
retrieving revision 1.85
diff -u -r1.85 keyboard.c
--- dlls/x11drv/keyboard.c	9 Feb 2006 11:50:16 -0000	1.85
+++ dlls/x11drv/keyboard.c	15 Mar 2006 00:20:21 -0000
@@ -83,9 +83,6 @@
 */
 BYTE key_state_table[256];
 
-static BYTE TrackSysKey = 0; /* determine whether ALT key up will cause a WM_SYSKEYUP
-                                or a WM_KEYUP message */
-
 static int min_keycode, max_keycode, keysyms_per_keycode;
 static WORD keyc2vkey[256], keyc2scan[256];
 
@@ -1112,6 +1109,8 @@
     UINT message;
     KEYLP keylp;
     KBDLLHOOKSTRUCT hook;
+    static BYTE TrackSysKey = 0; /* determine whether ALT key up will cause a
+                                    WM_SYSKEYUP or a WM_KEYUP message */
 
     keylp.lp2 = 0;
     keylp.lp1.count = 1;
@@ -1126,11 +1125,15 @@
     if (dwFlags & KEYEVENTF_KEYUP )
     {
         message = WM_KEYUP;
-        if ((key_state_table[VK_MENU] & 0x80) &&
-            ((wVk == VK_MENU) || (wVk == VK_CONTROL) || !(key_state_table[VK_CONTROL] & 0x80)))
+        if ((key_state_table[VK_MENU] & 0x80 || key_state_table[VK_LMENU] & 0x80
+             || key_state_table[VK_RMENU] & 0x80)
+            && (wVk == VK_MENU || wVk == VK_LMENU || wVk == VK_RMENU
+                || wVk == VK_CONTROL || !(key_state_table[VK_CONTROL] & 0x80)))
         {
-            if( TrackSysKey == VK_MENU || /* <ALT>-down/<ALT>-up sequence */
-                (wVk != VK_MENU)) /* <ALT>-down...<something else>-up */
+            if ((TrackSysKey == VK_MENU || TrackSysKey == VK_LMENU
+                 || TrackSysKey == VK_RMENU) /* <ALT>-down/<ALT>-up sequence */
+                || (wVk != VK_MENU && wVk != VK_LMENU
+                    && wVk != VK_RMENU)) /* <ALT>-down...<something else>-up */
                 message = WM_SYSKEYUP;
             TrackSysKey = 0;
         }
@@ -1146,14 +1149,18 @@
         key_state_table[wVk] |= 0xc0;
 
         message = WM_KEYDOWN;
-        if ((key_state_table[VK_MENU] & 0x80) && !(key_state_table[VK_CONTROL] & 0x80))
+        if ((key_state_table[VK_MENU] & 0x80 || key_state_table[VK_LMENU] & 0x80
+             || key_state_table[VK_RMENU] & 0x80)
+            && !(key_state_table[VK_CONTROL] & 0x80))
         {
             message = WM_SYSKEYDOWN;
             TrackSysKey = wVk;
         }
     }
 
-    keylp.lp1.context = (key_state_table[VK_MENU] & 0x80) != 0; /* 1 if alt */
+    keylp.lp1.context = (key_state_table[VK_MENU] & 0x80
+                         || key_state_table[VK_LMENU] & 0x80
+                         || key_state_table[VK_RMENU] & 0x80) != 0; /* 1 if alt */
 
     TRACE_(key)(" wParam=%04x, lParam=%08lx, InputKeyState=%x\n",
                 wVk, keylp.lp2, key_state_table[wVk] );