Backported HEROWIN, DIALOGVIEW, COUNTERWIN game mode flags from 4.x

Updated UI hotkeys example mod.

artifacts/example_mods/UIHotkeys/gl_uihotkeys.ssl

@@ -32,6 +32,7 @@ procedure start begin
 
       if (event) then begin
          mode := get_game_mode;
+         if (mode bwand COUNTERWIN) then return; // new mode from sfall 4.2/3.8.20
          if (keyDX == DIK_I and (mode bwand INVENTORY)) then begin
             tap_key(DIK_ESCAPE);
          end else if (keyDX == DIK_S and (mode bwand SKILLDEX)) then begin
@@ -43,7 +44,7 @@ procedure start begin
                tap_key(DIK_CAPITAL);
                tap_key(DIK_A);
                tap_key(DIK_CAPITAL);
-            end else if (mode bwand BARTER) then begin
+            end else if (mode == (BARTER + DIALOG)) then begin
                tap_key(DIK_M);
             end
          end

artifacts/scripting/headers/sfall.h

@@ -17,6 +17,9 @@
 #define INTFACEUSE  (0x8000)
 #define INTFACELOOT (0x10000)
 #define BARTER      (0x20000)
+#define HEROWIN     (0x40000)
+#define DIALOGVIEW  (0x80000)
+#define COUNTERWIN  (0x100000) // counter window for moving multiple items or setting a timer
 
 //Valid arguments to register_hook
 #define HOOK_TOHIT            (0)