Examples of java.awt.peer.ContainerPeer

java.awt.peer.ContainerPeer
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.

            Component component[] = this.component;
            for (int i = 0 ; i < ncomponents ; i++) {
                component[i].addNotify();
            }
            // Update stacking order if native platform allows
            ContainerPeer cpeer = (ContainerPeer)peer;
            if (cpeer.isRestackSupported()) {
                cpeer.restack();
            }




        }
    }

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            }




            // Update stacking order
            if (parent != null && parent.peer != null) {
                ContainerPeer parentContPeer = (ContainerPeer) parent.peer;
                // if our parent is lightweight and we are not
                // we should call restack on nearest heavyweight
                // container.
                if (parentContPeer instanceof LightweightPeer
                    && ! (peer instanceof LightweightPeer))
                {
                    Container hwParent = getNativeContainer();
                    if (hwParent != null && hwParent.peer != null) {
                        parentContPeer = (ContainerPeer) hwParent.peer;
                    }
                }
                if (parentContPeer.isRestackSupported()) {
                    parentContPeer.restack();
                }
            }


            if (!isAddNotifyComplete) {
                addPropertyChangeListener("opaque", opaquePropertyChangeListener);

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  public void validate()
  {
    ComponentPeer p = peer;
    if (! valid && p != null)
      {
        ContainerPeer cPeer = null;
        if (p instanceof ContainerPeer)
          cPeer = (ContainerPeer) peer;
        synchronized (getTreeLock ())
          {
            if (cPeer != null)
              cPeer.beginValidate();
            validateTree();
            valid = true;
            if (cPeer != null)
              cPeer.endValidate();
          }
      }
  }

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   */
  protected void validateTree()
  {
    if (!valid)
      {
        ContainerPeer cPeer = null;
        if (peer instanceof ContainerPeer)
          {
            cPeer = (ContainerPeer) peer;
            cPeer.beginLayout();
          }


        doLayout ();
        for (int i = 0; i < ncomponents; ++i)
          {
            Component comp = component[i];


            if (comp instanceof Container && ! (comp instanceof Window)
                && ! comp.valid)
              {
                ((Container) comp).validateTree();
              }
            else
              {
                comp.validate();
              }
          }


        if (cPeer != null)
          {
            cPeer = (ContainerPeer) peer;
            cPeer.endLayout();
          }
      }


    /* children will call invalidate() when they are layed out. It
       is therefore important that valid is not set to true

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    if (isLightweight && visible) {
        // Get HW ancestor peer
        Container hwAncestor = parent;
        for(; hwAncestor != null && hwAncestor.isLightweight(); hwAncestor = hwAncestor.parent); 
        ContainerPeer hwAncestorPeer = (hwAncestor != null) && 
      hwAncestor.peer instanceof ContainerPeer ? 
      (ContainerPeer)hwAncestor.peer : null;


        needRepaint = (hwAncestorPeer != null && hwAncestor.visible 
           && !hwAncestorPeer.isPaintPending());
    }
                }
      if (needRepaint) {
    // Have the parent redraw the area this component occupied.
    parent.repaint(oldX, oldY, oldWidth, oldHeight);

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      peerFont = getFont();


            // Update stacking order
            if (parent != null && parent.peer != null) {
                ContainerPeer parentContPeer = (ContainerPeer)parent.peer;
                if (parentContPeer.isRestackSupported()) {
                    parentContPeer.restack();
                }
            }


            if (hierarchyListener != null ||
                (eventMask & AWTEvent.HIERARCHY_EVENT_MASK) != 0 ||

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     * @deprecated As of JDK version 1.1,
     * replaced by <code>getInsets()</code>.
     */
    public Insets insets() {
  if (this.peer != null && this.peer instanceof ContainerPeer) {
      ContainerPeer peer = (ContainerPeer)this.peer;
      return (Insets)peer.insets().clone();
  }
  return new Insets(0, 0, 0, 0);
    }

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        /* Avoid grabbing lock unless really necessary. */
  if (!valid) {
      boolean updateCur = false;
      synchronized (getTreeLock()) {
    if (!valid && peer != null) {
        ContainerPeer p = null;
        if (peer instanceof ContainerPeer) {
      p = (ContainerPeer) peer;
        }
        if (p != null) {
      p.beginValidate();
        }
        validateTree();
        valid = true;
        if (p != null) {
      p.endValidate();
      updateCur = isVisible();
        }
    }
      }      
      if (updateCur) {

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            Component component[] = this.component;
      for (int i = 0 ; i < ncomponents ; i++) {
          component[i].addNotify();
      }
            // Update stacking order if native platform allows
            ContainerPeer cpeer = (ContainerPeer)peer;
            if (cpeer.isRestackSupported()) {
                cpeer.restack();
            }




        }
    }

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     */
    @Deprecated
    public Insets insets() {
        ComponentPeer peer = this.peer;
        if (peer instanceof ContainerPeer) {
            ContainerPeer cpeer = (ContainerPeer)peer;
            return (Insets)cpeer.getInsets().clone();
        }
        return new Insets(0, 0, 0, 0);
    }

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Related Classes of java.awt.peer.ContainerPeer

java.awt.Component

java.awt.Container

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