--- deliantra/Deliantra-Client/Client.xs	2007/12/28 17:30:33	1.252
+++ deliantra/Deliantra-Client/Client.xs	2007/12/28 20:59:14	1.253
@@ -72,6 +72,9 @@
 
 #define MIN_FONT_HEIGHT 10
 
+/* mask out modifiers we are not interested in */
+#define MOD_MASK (KMOD_CTRL | KMOD_SHIFT | KMOD_ALT | KMOD_META)
+
 #if 0
 # define PARACHUTE SDL_INIT_NOPARACHUTE
 #else
@@ -783,8 +786,8 @@
                 case SDL_KEYUP:
                   hv_store (hv, "state",   5, newSViv (ev.key.state), 0);
                   hv_store (hv, "sym",     3, newSViv (ev.key.keysym.sym), 0);
-                  hv_store (hv, "mod",     3, newSViv (ev.key.keysym.mod), 0);
-                  hv_store (hv, "cmod",    4, newSViv (SDL_GetModState ()), 0); /* current mode */
+                  hv_store (hv, "mod",     3, newSViv (ev.key.keysym.mod & MOD_MASK), 0);
+                  hv_store (hv, "cmod",    4, newSViv (SDL_GetModState () & MOD_MASK), 0); /* current mode */
                   hv_store (hv, "unicode", 7, newSViv (ev.key.keysym.unicode), 0);
                   break;
 
@@ -812,7 +815,7 @@
                         SDL_PeepEvents (&ev, 1, SDL_GETEVENT, SDL_EVENTMASK (SDL_MOUSEMOTION));
                       }
 
-                    hv_store (hv, "mod",    3, newSViv (SDL_GetModState ()), 0);
+                    hv_store (hv, "mod",    3, newSViv (SDL_GetModState () & MOD_MASK), 0);
                     hv_store (hv, "state",  5, newSViv (state), 0);
                     hv_store (hv, "x",      1, newSViv (x), 0);
                     hv_store (hv, "y",      1, newSViv (y), 0);
@@ -823,7 +826,7 @@
 
                 case SDL_MOUSEBUTTONDOWN:
                 case SDL_MOUSEBUTTONUP:
-                  hv_store (hv, "mod",    3, newSViv (SDL_GetModState ()), 0);
+                  hv_store (hv, "mod",    3, newSViv (SDL_GetModState () & MOD_MASK), 0);
 
                   hv_store (hv, "button", 6, newSViv (ev.button.button), 0);
                   hv_store (hv, "state",  5, newSViv (ev.button.state), 0);