winex11: Use a table of available OEM virtual key codes.

dlls/winex11.drv/keyboard.c

@@ -1683,11 +1683,21 @@ void X11DRV_InitKeyboard( Display *display )
     KeySym keysym;
     KeyCode *kcp;
     XKeyEvent e2;
-    WORD scan, vkey, OEMvkey;
+    WORD scan, vkey;
     int keyc, i, keyn, syms;
     char ckey[4]={0,0,0,0};
     const char (*lkey)[MAIN_LEN][4];
     char vkey_used[256] = { 0 };
+    static const struct {
+        WORD first, last;
+    } vkey_ranges[] = {
+        { VK_OEM_1, VK_OEM_3 },
+        { VK_OEM_4, VK_ICO_00 },
+        { 0xe6, 0xe6 },
+        { 0xe9, 0xf5 },
+        { 0, 0 }
+    };
+    int vkey_range;
 
     set_kbd_layout_preload_key();
 
@@ -1861,8 +1871,9 @@ void X11DRV_InitKeyboard( Display *display )
     } /* for */
 
     /* Others keys: let's assign OEM virtual key codes in the allowed range,
-     * that is ([0xba,0xc0], [0xdb,0xe4], 0xe6 (given up) et [0xe9,0xf5]) */
-    OEMvkey = VK_OEM_8; /* next is available.  */
+     * that is ([0xba,0xc0], [0xdb,0xe4], 0xe6, and [0xe9,0xf5]) */
+    vkey_range = 0;
+    vkey = vkey_ranges[vkey_range].first;
     for (keyc = min_keycode; keyc <= max_keycode; keyc++)
     {
         if (keyc2vkey[keyc] & 0xff)
@@ -1873,22 +1884,27 @@ void X11DRV_InitKeyboard( Display *display )
         if (!keysym)
            continue;
 
-        do
+        while (vkey && vkey_used[vkey])
         {
-            switch (++OEMvkey)
+            if (vkey == vkey_ranges[vkey_range].last)
             {
-            case 0xc1 : OEMvkey=0xdb; break;
-            case 0xe5 : OEMvkey=0xe9; break;
-            case 0xf6 : OEMvkey=0xf5; WARN("No more OEM vkey available!\n");
+                vkey_range++;
+                vkey = vkey_ranges[vkey_range].first;
+            }
+            else
+                vkey++;
         }
-        } while (OEMvkey < 0xf5 && vkey_used[OEMvkey]);
 
-        vkey = VKEY_IF_NOT_USED(OEMvkey);
+        if (!vkey)
+        {
+            WARN("No more vkeys available!\n");
+            break;
+        }
 
         if (TRACE_ON(keyboard))
         {
             TRACE("OEM specific virtual key %X assigned to keycode %X:\n",
-                             OEMvkey, e2.keycode);
+                             vkey, e2.keycode);
             TRACE("(");
             for (i = 0; i < keysyms_per_keycode; i += 1)
             {
@@ -1903,11 +1919,9 @@ void X11DRV_InitKeyboard( Display *display )
             TRACE(")\n");
         }
 
-        if (vkey)
-        {
         TRACE("keycode %04x => vkey %04x\n", e2.keycode, vkey);
         keyc2vkey[e2.keycode] = vkey;
-        }
+        vkey_used[vkey] = 1;
     } /* for */
 #undef VKEY_IF_NOT_USED