Examples of java.awt.peer.ScrollPanePeer

java.awt.peer.ScrollPanePeer
The peer interfaces are intended only for use in porting the AWT. They are not intended for use by application developers, and developers should not implement peers nor invoke any of the peer methods directly on the peer instances.


    public synchronized void setUnitIncrement(int u) {
  if (u != unitIncrement) {
      unitIncrement = u;
      if (sp.peer != null) {
    ScrollPanePeer peer = (ScrollPanePeer) sp.peer;
    peer.setUnitIncrement(this, u);
      }
  }
    }

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     * @return the height of a horizontal scrollbar in pixels
     */
    public int getHScrollbarHeight() {
  int h = 0;
  if (scrollbarDisplayPolicy != SCROLLBARS_NEVER) {
      ScrollPanePeer peer = (ScrollPanePeer)this.peer;
      if (peer != null) {
    h = peer.getHScrollbarHeight();
      }
  }
  return h;
    }

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     * @return the width of a vertical scrollbar in pixels
     */
    public int getVScrollbarWidth() {
  int w = 0;
  if (scrollbarDisplayPolicy != SCROLLBARS_NEVER) {
      ScrollPanePeer peer = (ScrollPanePeer)this.peer;
      if (peer != null) {
    w = peer.getVScrollbarWidth();
      }
  }
  return w;
    }

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        Dimension cs = calculateChildSize();
        Dimension vs = getViewportSize();
        Insets i = getInsets();
        
        c.reshape(i.left - p.x, i.top - p.y, cs.width, cs.height);
        ScrollPanePeer peer = (ScrollPanePeer)this.peer;
        if (peer != null) {
            peer.childResized(cs.width, cs.height);
        }
        
        // update adjustables... the viewport size may have changed
        // with the scrollbars coming or going so the viewport size
        // is updated before the adjustables.

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   * Invoked when the value of the adjustable has changed.
   */
        public void adjustmentValueChanged(AdjustmentEvent e) {
      Adjustable adj = e.getAdjustable();
      int value = e.getValue();
      ScrollPanePeer peer = (ScrollPanePeer) scroller.peer;
      if (peer != null) {
    peer.setValue(adj, value);
      }


      Component c = scroller.getComponent(0);
      switch(adj.getOrientation()) {
      case Adjustable.VERTICAL:

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     * Invoked when the value of the adjustable has changed.
     */   
    public void adjustmentValueChanged(AdjustmentEvent e) {
  Adjustable adj = e.getAdjustable();
  int value = e.getValue();
  ScrollPanePeer peer = (ScrollPanePeer) scroller.peer;
  if (peer != null) {
      peer.setValue(adj, value);
  }


  Component c = scroller.getComponent(0);
        switch(adj.getOrientation()) {
  case Adjustable.VERTICAL:

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     * @return the height of a horizontal scrollbar in pixels
     */
    public int getHScrollbarHeight() {
        int h = 0;
        if (scrollbarDisplayPolicy != SCROLLBARS_NEVER) {
            ScrollPanePeer peer = (ScrollPanePeer)this.peer;
            if (peer != null) {
                h = peer.getHScrollbarHeight();
            }
        }
        return h;
    }

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     * @return the width of a vertical scrollbar in pixels
     */
    public int getVScrollbarWidth() {
        int w = 0;
        if (scrollbarDisplayPolicy != SCROLLBARS_NEVER) {
            ScrollPanePeer peer = (ScrollPanePeer)this.peer;
            if (peer != null) {
                w = peer.getVScrollbarWidth();
            }
        }
        return w;
    }

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        Dimension cs = calculateChildSize();
        Dimension vs = getViewportSize();
        Insets i = getInsets();


        c.reshape(i.left - p.x, i.top - p.y, cs.width, cs.height);
        ScrollPanePeer peer = (ScrollPanePeer)this.peer;
        if (peer != null) {
            peer.childResized(cs.width, cs.height);
        }


        // update adjustables... the viewport size may have changed
        // with the scrollbars coming or going so the viewport size
        // is updated before the adjustables.

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         * Invoked when the value of the adjustable has changed.
         */
        public void adjustmentValueChanged(AdjustmentEvent e) {
            Adjustable adj = e.getAdjustable();
            int value = e.getValue();
            ScrollPanePeer peer = (ScrollPanePeer) scroller.peer;
            if (peer != null) {
                peer.setValue(adj, value);
            }


            Component c = scroller.getComponent(0);
            switch(adj.getOrientation()) {
            case Adjustable.VERTICAL:

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Related Classes of java.awt.peer.ScrollPanePeer

java.awt.ScrollPane$PeerFixer

java.awt.PeerFixer

java.awt.ScrollPaneAdjustable

java.awt.ScrollPane

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