user: Add internal functions for cursor/icon 16<->32 conversion to replace the typecasting macros.

dlls/user.exe16/message.c

@@ -2619,7 +2619,7 @@ static LRESULT static_proc16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
                 HICON16 icon = LoadIcon16( HINSTANCE_16(cs->hInstance), cs->lpszName );
                 if (!icon) icon = LoadCursor16( HINSTANCE_16(cs->hInstance), cs->lpszName );
                 if (icon) wow_handlers32.static_proc( hwnd, STM_SETIMAGE, IMAGE_ICON,
-                                                      (LPARAM)HICON_32(icon), FALSE );
+                                                      (LPARAM)get_icon_32(icon), FALSE );
                 break;
             }
         case SS_BITMAP:
@@ -2633,10 +2633,10 @@ static LRESULT static_proc16( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam,
         return ret;
     }
     case STM_SETICON16:
-        wParam = (WPARAM)HICON_32( (HICON16)wParam );
+        wParam = (WPARAM)get_icon_32( (HICON16)wParam );
         return wow_handlers32.static_proc( hwnd, STM_SETICON, wParam, lParam, FALSE );
     case STM_GETICON16:
-        return HICON_16( wow_handlers32.static_proc( hwnd, STM_GETICON, wParam, lParam, FALSE ));
+        return get_icon_16( (HICON)wow_handlers32.static_proc( hwnd, STM_GETICON, wParam, lParam, FALSE ));
     default:
         return wow_handlers32.static_proc( hwnd, msg, wParam, lParam, unicode );
     }
@@ -2678,22 +2678,22 @@ static HICON alloc_icon_handle( unsigned int size )
 {
     HGLOBAL16 handle = GlobalAlloc16( GMEM_MOVEABLE, size );
     FarSetOwner16( handle, 0 );
-    return HICON_32( handle );
+    return (HICON)(ULONG_PTR)handle;
 }
 
 static struct tagCURSORICONINFO *get_icon_ptr( HICON handle )
 {
-    return GlobalLock16( HICON_16(handle) );
+    return GlobalLock16( LOWORD(handle) );
 }
 
 static void release_icon_ptr( HICON handle, struct tagCURSORICONINFO *ptr )
 {
-    GlobalUnlock16( HICON_16(handle) );
+    GlobalUnlock16( LOWORD(handle) );
 }
 
 static int free_icon_handle( HICON handle )
 {
-    return GlobalFree16( HICON_16(handle) );
+    return GlobalFree16( LOWORD(handle) );
 }
 
 

dlls/user.exe16/user.c

@@ -289,6 +289,16 @@ static int free_icon_handle( HICON16 handle )
     return GlobalFree16( handle );
 }
 
+HICON get_icon_32( HICON16 icon16 )
+{
+    return (HICON)(ULONG_PTR)icon16;
+}
+
+HICON16 get_icon_16( HICON icon )
+{
+    return LOWORD( icon );
+}
+
 static void add_shared_icon( HINSTANCE16 inst, HRSRC16 rsrc, HRSRC16 group, HICON16 icon )
 {
     struct cache_entry *cache = HeapAlloc( GetProcessHeap(), 0, sizeof(*cache) );
@@ -471,7 +481,7 @@ BOOL16 WINAPI AnyPopup16(void)
  */
 HCURSOR16 WINAPI SetCursor16(HCURSOR16 hCursor)
 {
-  return HCURSOR_16(SetCursor(HCURSOR_32(hCursor)));
+  return get_icon_16( SetCursor( get_icon_32(hCursor) ));
 }
 
 
@@ -673,7 +683,7 @@ INT16 WINAPI FrameRect16( HDC16 hdc, const RECT16 *rect16, HBRUSH16 hbrush )
  */
 BOOL16 WINAPI DrawIcon16(HDC16 hdc, INT16 x, INT16 y, HICON16 hIcon)
 {
-  return DrawIcon(HDC_32(hdc), x, y, HICON_32(hIcon));
+  return DrawIcon(HDC_32(hdc), x, y, get_icon_32(hIcon) );
 }
 
 
@@ -1453,7 +1463,7 @@ BOOL16 WINAPI ExitWindowsExec16( LPCSTR lpszExe, LPCSTR lpszParams )
  */
 HCURSOR16 WINAPI GetCursor16(void)
 {
-  return HCURSOR_16(GetCursor());
+  return get_icon_16( GetCursor() );
 }
 
 
@@ -1986,7 +1996,12 @@ HANDLE16 WINAPI LoadImage16(HINSTANCE16 hinst, LPCSTR name, UINT16 type, INT16 c
     HRSRC16 hRsrc, hGroupRsrc;
 
     if (!hinst || (flags & LR_LOADFROMFILE))
-        return HICON_16( LoadImageA( 0, name, type, cx, cy, flags ));
+    {
+        if (type == IMAGE_BITMAP)
+            return HBITMAP_16( LoadImageA( 0, name, type, cx, cy, flags ));
+        else
+            return get_icon_16( LoadImageA( 0, name, type, cx, cy, flags ));
+    }
 
     hinst = GetExePtr( hinst );
 
@@ -2110,7 +2125,7 @@ BOOL16 WINAPI DrawIconEx16(HDC16 hdc, INT16 xLeft, INT16 yTop, HICON16 hIcon,
 			   INT16 cxWidth, INT16 cyWidth, UINT16 istep,
 			   HBRUSH16 hbr, UINT16 flags)
 {
-  return DrawIconEx(HDC_32(hdc), xLeft, yTop, HICON_32(hIcon), cxWidth, cyWidth,
+  return DrawIconEx(HDC_32(hdc), xLeft, yTop, get_icon_32(hIcon), cxWidth, cyWidth,
 		    istep, HBRUSH_32(hbr), flags);
 }
 
@@ -2563,8 +2578,7 @@ HICON16 WINAPI CreateIconFromResourceEx16(LPBYTE bits, UINT16 cbSize,
 					  INT16 width, INT16 height,
 					  UINT16 cFlag)
 {
-  return HICON_16(CreateIconFromResourceEx(bits, cbSize, bIcon, dwVersion,
-					   width, height, cFlag));
+    return get_icon_16( CreateIconFromResourceEx( bits, cbSize, bIcon, dwVersion, width, height, cFlag ));
 }
 
 
@@ -2722,7 +2736,7 @@ DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj,
     MSG	msg;
     LPDRAGINFO16 lpDragInfo;
     SEGPTR	spDragInfo;
-    HCURSOR 	hOldCursor=0, hBummer=0;
+    HCURSOR 	hOldCursor=0, hBummer=0, hCursor32;
     HGLOBAL16	hDragInfo  = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO16));
     HCURSOR	hCurrentCursor = 0;
     HWND16	hCurrentWnd = 0;
@@ -2738,7 +2752,7 @@ DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj,
         return 0L;
     }
 
-    if(hCursor) hOldCursor = SetCursor(HCURSOR_32(hCursor));
+    if ((hCursor32 = get_icon_32( hCursor ))) SetCursor( hCursor32 );
 
     lpDragInfo->hWnd   = hWnd;
     lpDragInfo->hScope = 0;
@@ -2761,7 +2775,7 @@ DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj,
 
 	/* update DRAGINFO struct */
 	if( DRAG_QueryUpdate16(WIN_Handle32(hwndScope), spDragInfo) > 0 )
-	    hCurrentCursor = HCURSOR_32(hCursor);
+	    hCurrentCursor = hCursor32;
 	else
         {
             hCurrentCursor = hBummer;

dlls/user.exe16/user_private.h

@@ -117,14 +117,11 @@ typedef struct tagDIALOGINFO
 #define DF_OWNERENABLED 0x0002
 
 /* HANDLE16 <-> HANDLE conversions */
-#define HCURSOR_16(h32)    (LOWORD(h32))
-#define HICON_16(h32)      (LOWORD(h32))
 #define HINSTANCE_16(h32)  (LOWORD(h32))
-
-#define HCURSOR_32(h16)    ((HCURSOR)(ULONG_PTR)(h16))
-#define HICON_32(h16)      ((HICON)(ULONG_PTR)(h16))
 #define HINSTANCE_32(h16)  ((HINSTANCE)(ULONG_PTR)(h16))
-#define HMODULE_32(h16)    ((HMODULE)(ULONG_PTR)(h16))
+
+extern HICON16 get_icon_16( HICON icon ) DECLSPEC_HIDDEN;
+extern HICON get_icon_32( HICON16 icon16 ) DECLSPEC_HIDDEN;
 
 extern DWORD USER16_AlertableWait DECLSPEC_HIDDEN;
 extern WORD USER_HeapSel DECLSPEC_HIDDEN;

dlls/user.exe16/window.c

@@ -1575,12 +1575,12 @@ ATOM WINAPI RegisterClassEx16( const WNDCLASSEX16 *wc )
     wc32.cbClsExtra    = wc->cbClsExtra;
     wc32.cbWndExtra    = wc->cbWndExtra;
     wc32.hInstance     = HINSTANCE_32(inst);
-    wc32.hIcon         = HICON_32(wc->hIcon);
-    wc32.hCursor       = HCURSOR_32(wc->hCursor);
+    wc32.hIcon         = get_icon_32(wc->hIcon);
+    wc32.hCursor       = get_icon_32( wc->hCursor );
     wc32.hbrBackground = HBRUSH_32(wc->hbrBackground);
     wc32.lpszMenuName  = MapSL(wc->lpszMenuName);
     wc32.lpszClassName = MapSL(wc->lpszClassName);
-    wc32.hIconSm       = HICON_32(wc->hIconSm);
+    wc32.hIconSm       = get_icon_32(wc->hIconSm);
     atom = RegisterClassExA( &wc32 );
     if ((class = HeapAlloc( GetProcessHeap(), 0, sizeof(*class) )))
     {
@@ -1618,9 +1618,9 @@ BOOL16 WINAPI GetClassInfoEx16( HINSTANCE16 hInst16, SEGPTR name, WNDCLASSEX16 *
         wc->cbClsExtra    = wc32.cbClsExtra;
         wc->cbWndExtra    = wc32.cbWndExtra;
         wc->hInstance     = (wc32.hInstance == user32_module) ? GetModuleHandle16("user") : HINSTANCE_16(wc32.hInstance);
-        wc->hIcon         = HICON_16(wc32.hIcon);
-        wc->hIconSm       = HICON_16(wc32.hIconSm);
-        wc->hCursor       = HCURSOR_16(wc32.hCursor);
+        wc->hIcon         = get_icon_16( wc32.hIcon );
+        wc->hIconSm       = get_icon_16( wc32.hIconSm );
+        wc->hCursor       = get_icon_16( wc32.hCursor );
         wc->hbrBackground = HBRUSH_16(wc32.hbrBackground);
         wc->lpszClassName = 0;
         wc->lpszMenuName  = MapLS(wc32.lpszMenuName);  /* FIXME: leak */
@@ -2048,7 +2048,7 @@ BOOL16 WINAPI DrawCaptionTemp16( HWND16 hwnd, HDC16 hdc, const RECT16 *rect,
     }
     return DrawCaptionTempA( WIN_Handle32(hwnd), HDC_32(hdc),
 			     rect ? &rect32 : NULL, HFONT_32(hFont),
-			     HICON_32(hIcon), str, uFlags & 0x1f );
+			     get_icon_32(hIcon), str, uFlags & 0x1f );
 }