Bug 270092 [CellEditors] [cell editors] TextCellEditor should not specify minimum size
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TextCellEditor.java
if (text != null && !text.isDisposed()
                    && (text.getStyle() & SWT.MULTI) != 0) {
                if ((keyEvent.stateMask & SWT.CTRL) != 0) {
                    super.keyReleaseOccured(keyEvent);
                }
            }
            return;
        }
        super.keyReleaseOccured(keyEvent);
    }
    /**
     * The <code>TextCellEditor</code> implementation of this
     * <code>CellEditor</code> method copies the
     * current selection to the clipboard. 
     */
    public void performCopy() {
        text.copy();
    }
    /**
     * The <code>TextCellEditor</code> implementation of this
     * <code>CellEditor</code> method cuts the
     * current selection to the clipboard. 
     */
    public void performCut() {
        text.cut();
        checkSelection();