hw/xwin: Correct winprefs.c function signatures for x64.

Correct SetupRootMenu(), SetupSysMenu(), HandleCustomWM_INITMENU() and
HandleCustomWM_COMMAND() function signatures which use unsigned long parameters,
where just a specific HWND or HMENU handle type should have been used.

Signed-off-by: Colin Harrison <colin.harrison@virgin.net>
Reviewed-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Marc Haesen <marha@users.sourceforge.net>

hw/xwin/winmultiwindowwndproc.c

@@ -420,14 +420,14 @@ winTopLevelWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
         /*
          * Add whatever the setup file wants to for this window
          */
-        SetupSysMenu((unsigned long) hwnd);
+        SetupSysMenu(hwnd);
         return 0;
 
     case WM_SYSCOMMAND:
         /*
          * Any window menu items go through here
          */
-        if (HandleCustomWM_COMMAND((unsigned long) hwnd, LOWORD(wParam))) {
+        if (HandleCustomWM_COMMAND(hwnd, LOWORD(wParam))) {
             /* Don't pass customized menus to DefWindowProc */
             return 0;
         }
@@ -443,7 +443,7 @@ winTopLevelWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
 
     case WM_INITMENU:
         /* Checks/Unchecks any menu items before they are displayed */
-        HandleCustomWM_INITMENU((unsigned long) hwnd, wParam);
+        HandleCustomWM_INITMENU(hwnd, (HMENU)wParam);
         break;
 
     case WM_ERASEBKGND:

hw/xwin/winprefs.c

@@ -188,7 +188,7 @@ ReloadEnumWindowsProc(HWND hwnd, LPARAM lParam)
         }
 
         /* Update the system menu for this window */
-        SetupSysMenu((unsigned long) hwnd);
+        SetupSysMenu(hwnd);
 
         /* That was easy... */
     }
@@ -275,15 +275,11 @@ ReloadPrefs(void)
  * Check/uncheck the ALWAYSONTOP items in this menu
  */
 void
-HandleCustomWM_INITMENU(unsigned long hwndIn, unsigned long hmenuIn)
+HandleCustomWM_INITMENU(HWND hwnd, HMENU hmenu)
 {
-    HWND hwnd;
-    HMENU hmenu;
     DWORD dwExStyle;
     int i, j;
 
-    hwnd = (HWND) hwndIn;
-    hmenu = (HMENU) hmenuIn;
     if (!hwnd || !hmenu)
         return;
 
@@ -305,15 +301,12 @@ HandleCustomWM_INITMENU(unsigned long hwndIn, unsigned long hmenuIn)
  * Return TRUE if command is proccessed, FALSE otherwise.
  */
 Bool
-HandleCustomWM_COMMAND(unsigned long hwndIn, int command)
+HandleCustomWM_COMMAND(HWND hwnd, int command)
 {
-    HWND hwnd;
     int i, j;
     MENUPARSED *m;
     DWORD dwExStyle;
 
-    hwnd = (HWND) hwndIn;
-
     if (!command)
         return FALSE;
 
@@ -412,15 +405,13 @@ HandleCustomWM_COMMAND(unsigned long hwndIn, int command)
  * Add the default or a custom menu depending on the class match
  */
 void
-SetupSysMenu(unsigned long hwndIn)
+SetupSysMenu(HWND hwnd)
 {
-    HWND hwnd;
     HMENU sys;
     int i;
     WindowPtr pWin;
     char *res_name, *res_class;
 
-    hwnd = (HWND) hwndIn;
     if (!hwnd)
         return;
 
@@ -465,11 +456,8 @@ SetupSysMenu(unsigned long hwndIn)
  * Possibly add a menu to the toolbar icon
  */
 void
-SetupRootMenu(unsigned long hmenuRoot)
+SetupRootMenu(HMENU root)
 {
-    HMENU root;
-
-    root = (HMENU) hmenuRoot;
     if (!root)
         return;
 

hw/xwin/winprefs.h

@@ -150,16 +150,16 @@ void
  LoadPreferences(void);
 
 void
- SetupRootMenu(unsigned long hmenuRoot);
+ SetupRootMenu(HMENU root);
 
 void
- SetupSysMenu(unsigned long hwndIn);
+ SetupSysMenu(HWND hwnd);
 
 void
- HandleCustomWM_INITMENU(unsigned long hwndIn, unsigned long hmenuIn);
+ HandleCustomWM_INITMENU(HWND hwnd, HMENU hmenu);
 
 Bool
- HandleCustomWM_COMMAND(unsigned long hwndIn, int command);
+ HandleCustomWM_COMMAND(HWND hwnd, int command);
 
 int
  winIconIsOverride(HICON hicon);

hw/xwin/wintrayicon.c

@@ -170,7 +170,7 @@ winHandleIconMessage(HWND hwnd, UINT message,
             RemoveMenu(hmenuTray, ID_APP_HIDE_ROOT, MF_BYCOMMAND);
         }
 
-        SetupRootMenu((unsigned long) hmenuTray);
+        SetupRootMenu(hmenuTray);
 
         /*
          * NOTE: This three-step procedure is required for