widget: remove useless widget_calculate_offset()

Signed-off-by: Julien Danjou <julien@danjou.info>

widget.c

@@ -49,25 +49,6 @@ widget_delete(widget_t **widget)
     p_delete(widget);
 }
 
-/** Compute offset for drawing the first pixel of a widget.
- * \param barwidth The wibox width.
- * \param widgetwidth The widget width.
- * \param alignment The widget alignment on wibox.
- * \return The x coordinate to draw at.
- */
-int
-widget_calculate_offset(int barwidth, int widgetwidth, int offset, int alignment)
-{
-    switch(alignment)
-    {
-      case AlignLeft:
-      case AlignFlex:
-      case AlignFixed:
-        return offset;
-    }
-    return barwidth - offset - widgetwidth;
-}
-
 /** Get a widget node from a wibox by coords.
  * \param Container position.
  * \param widgets The widget list.

widget.h

@@ -36,7 +36,6 @@ void widget_delete(widget_t **);
 
 DO_RCNT(widget_t, widget, widget_delete)
 
-int widget_calculate_offset(int, int, int, int);
 widget_t *widget_getbycoords(position_t, widget_node_array_t *, int, int, int16_t *, int16_t *);
 void widget_render(wibox_t *);