3 files changed, 52 insertions, 15 deletions
diff --git a/macosx/tkMacOSXDraw.c b/macosx/tkMacOSXDraw.c
index d4b2c85..ecc6c0d 100644
--- a/macosx/tkMacOSXDraw.c
+++ b/macosx/tkMacOSXDraw.c
@@ -1531,10 +1531,11 @@ TkScrollWindow(
  		    }
  	    	}
   	    }
- 
- 	    /* Redisplay the scrolled area. */
- 	    [view displayRect:scrollDst];
- 
+
+	     /* Redisplay the scrolled area; hide to reduce flicker after removal of private API calls. */
+ 	    [view setHidden:YES];
+	    [view displayRect:scrollDst];
+	    [view setHidden:NO]; 
   	}
     }
   
diff --git a/macosx/tkMacOSXEmbed.c b/macosx/tkMacOSXEmbed.c
index 17832c6..ef83276 100644
--- a/macosx/tkMacOSXEmbed.c
+++ b/macosx/tkMacOSXEmbed.c
@@ -174,6 +174,50 @@ TkpMakeWindow(
 /*
  *----------------------------------------------------------------------
  *
+ * TkpScanWindowId --
+ *
+ *	Given a string, produce the corresponding Window Id.
+ *
+ * Results:
+ *      The return value is normally TCL_OK; in this case *idPtr will be set
+ *      to the Window value equivalent to string. If string is improperly
+ *      formed then TCL_ERROR is returned and an error message will be left in
+ *      the interp's result.
+ *
+ * Side effects:
+ *      None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+TkpScanWindowId(
+    Tcl_Interp *interp,
+    CONST char * string,
+    Window *idPtr)
+{
+    int code;
+    Tcl_Obj obj;
+
+    obj.refCount = 1;
+    obj.bytes = string;
+    obj.length = strlen(string);
+    obj.typePtr = NULL;
+
+    code = Tcl_GetLongFromObj(interp, &obj, (long *)idPtr);
+
+    if (obj.refCount > 1) {
+	Tcl_Panic("invalid sharing of Tcl_Obj on C stack");
+    }
+    if (obj.typePtr && obj.typePtr->freeIntRepProc) {
+	obj.typePtr->freeIntRepProc(&obj);
+    }
+    return code;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
  * TkpUseWindow --
  *
  *	This procedure causes a Tk window to use a given X window as its
@@ -214,7 +258,7 @@ TkpUseWindow(
     }
 
     /*
-     * Decode the container pointer, and look for it among the list of
+     * Decode the container window ID, and look for it among the list of
      * available containers.
      *
      * N.B. For now, we are limiting the containers to be in the same Tk
@@ -222,7 +266,7 @@ TkpUseWindow(
      * containers.
      */
 
-    if (Tcl_GetInt(interp, string, (int*) &parent) != TCL_OK) {
+    if (TkpScanWindowId(interp, string, (Window *)&parent) != TCL_OK) {
 	return TCL_ERROR;
     }
 
diff --git a/macosx/tkMacOSXPort.h b/macosx/tkMacOSXPort.h
index 0a60cf6..2ccbac3 100644
--- a/macosx/tkMacOSXPort.h
+++ b/macosx/tkMacOSXPort.h
@@ -158,18 +158,10 @@
 
 /*
  * This macro stores a representation of the window handle in a string.
- * This should perhaps use the real size of an XID.
  */
 
 #define TkpPrintWindowId(buf,w) \
-	sprintf((buf), "0x%x", (unsigned int) (w))
-
-/*
- * TkpScanWindowId is just an alias for Tcl_GetInt on Unix.
- */
-
-#define TkpScanWindowId(i,s,wp) \
-	Tcl_GetInt((i),(s),(int *) (wp))
+	sprintf((buf), "0x%lx", (unsigned long) (w))
 
 /*
  * Turn off Tk double-buffering as Aqua windows are already double-buffered.