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## org.eclipse.jface.text.source
Interface IVerticalRulerExtension

All Known Implementing Classes:
  CompositeRuler, VerticalRuler

public interface IVerticalRulerExtension

Extension interface for `IVerticalRuler`.

Allows to set the font of the vertical ruler and to set the location of the last mouse button activity.

Since:
  2.0

Method Summary
`void` | `setFont(Font font)` Sets the font of this vertical ruler.
`void` | `setLocationOfLastMouseButtonActivity(int x, int y)` Sets the location of the last mouse button activity.

Method Detail

### setFont

    public void setFont(Font font)

  Sets the font of this vertical ruler.

  Parameters:
    `font` - the new font of the vertical ruler

### setLocationOfLastMouseButtonActivity

    public void setLocationOfLastMouseButtonActivity(int x,
                                                     int y)

  Sets the location of the last mouse button activity. This method is used for example by external mouse listeners.

  Parameters:
    `x` - the x-coordinate
    `y` - the y-coordinate

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