Bug 85774 [Presentations] bad tooltips in r21 presentation on Linux
The tooltips for the view menu and close buttons contain the "&" character on GTK.
bundles/org.eclipse.ui.presentations.r21/src/org/eclipse/ui/internal/presentations/R21BasicStackPresentation.java
paneFolder.getControl().setBounds(bounds);
        setControlSize();
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.internal.skins.Presentation#computeMinimumSize()
     */
    public Point computeMinimumSize() {
        Point result = Geometry.getSize(paneFolder.computeTrim(0, 0, 0, 0));
        
        result.x += 100;
        
        return result;
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.internal.skins.Presentation#setVisible(boolean)
     */
    public void setVisible(boolean isVisible) {
        if (current != null) {
            current.setVisible(isVisible);
        }
        paneFolder.getControl().setVisible(isVisible);
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.internal.skins.Presentation#setState(int)
     */
    public void setState(int state) {
        
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.internal.skins.Presentation#getSystemMenuManager()