merge trunkbug_3512824

1 files changed, 9 insertions, 19 deletions

diff --git a/generic/tkMenuDraw.c b/generic/tkMenuDraw.c
index 119b4bf..4cd9b02 100644
--- a/generic/tkMenuDraw.c
+++ b/generic/tkMenuDraw.c
@@ -844,7 +844,7 @@ TkPostTearoffMenu(
 				 * posting */
 {
     int vRootX, vRootY, vRootWidth, vRootHeight;
-    int tmp, result;
+    int result;
 
     TkActivateMenuEntry(menuPtr, -1);
     TkRecomputeMenu(menuPtr);
@@ -877,31 +877,21 @@ TkPostTearoffMenu(
      * 2. The menu may not have been mapped yet, so its current size might be
      *    the default 1x1. To compute how much space it needs, use its
      *    requested size, not its actual size.
-     *
-     * Note that this code assumes square screen regions and all positive
-     * coordinates. This does not work on a Mac with multiple monitors. But
-     * then again, Tk has other problems with this.
      */
 
     Tk_GetVRootGeometry(Tk_Parent(menuPtr->tkwin), &vRootX, &vRootY,
 	&vRootWidth, &vRootHeight);
-    x += vRootX;
-    y += vRootY;
-    tmp = WidthOfScreen(Tk_Screen(menuPtr->tkwin))
-	- Tk_ReqWidth(menuPtr->tkwin);
-    if (x > tmp) {
-	x = tmp;
+    if (x > vRootX + vRootWidth) {
+	x = vRootX + vRootWidth;
     }
-    if (x < 0) {
-	x = 0;
+    if (x < vRootX) {
+	x = vRootX;
     }
-    tmp = HeightOfScreen(Tk_Screen(menuPtr->tkwin))
-	- Tk_ReqHeight(menuPtr->tkwin);
-    if (y > tmp) {
-	y = tmp;
+    if (y > vRootY + vRootHeight) {
+	y = vRootY + vRootHeight;
     }
-    if (y < 0) {
-	y = 0;
+    if (y < vRootY) {
+	y = vRootY;
     }
     Tk_MoveToplevelWindow(menuPtr->tkwin, x, y);
     if (!Tk_IsMapped(menuPtr->tkwin)) {