### Eclipse Workspace Patch 1.0
#P org.eclipse.jface
Index: src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java,v
retrieving revision 1.65
diff -u -r1.65 ContentProposalAdapter.java
--- src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java	7 May 2009 23:10:53 -0000	1.65
+++ src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java	9 May 2009 12:52:17 -0000
@@ -702,6 +702,20 @@
 				getShell().pack();
 				popupSize = getShell().getSize();
 			}
+
+			int controlHeight = control.getBounds().height;
+			int popupTotalOffset = initialY + popupSize.y;
+			// check if the popup's total exceeds the display's height after compensating
+			// for the height of the control, the height of the control needs to
+			// be considered because while the popup may not exceed the display's
+			// height, it may be overlapped halfway on top of the control
+			if (popupTotalOffset > control.getDisplay().getBounds().height - controlHeight) {
+				// if it is, we want to render the list above the control, retrieve
+				// the control's location based on the display, and then move it
+				// up vertically by deducting the popup's size, see bug 256651
+				initialY = location.y - popupSize.y;
+			}
+			
 			getShell().setBounds(initialX, initialY, popupSize.x, popupSize.y);
 
 			// Now set up a listener to monitor any changes in size.