🚀 go-pugleaf

Torsten thanks.  You articulated what I found but did not understand.  I
solved my problem...

..........................................

/***************************************************************************
*********************
    * Gets mouse events and passes them on the node for processing.
    *
    * Note: MouseListener did not work!  The only method invoked was
mouseEntered and it only
    *       worked for the root node.  mouseExited was never called.
Therefore, a
    *       MouseMotionListener was used successfully.
    *
    */
   class MyMouseListener implements MouseMotionListener
   {
      NodeBase lastNode = null;

      private NodeBase getNode( MouseEvent e)
      {
         NodeBase node = null;
         TreePath selPath = _jTree.getPathForLocation( e.getX(), e.getY());
         if  ( selPath != null )
         {
             node =
(NodeBase)((DefaultMutableTreeNode)selPath.getLastPathComponent()).getUserOb
ject();
         }
         return( node);
      }

      public void mouseMoved( MouseEvent e)
      {
        NodeBase node = getNode( e);
        if  ( node != lastNode )
        {
            if  ( lastNode != null ) lastNode.mouseExited(  e);
            if  (     node != null )     node.mouseEntered( e);
            lastNode = node;
        }
      }

      public void mouseDragged( MouseEvent e)
      {
         mouseMoved( e);
      }
 }
...............

      _jTree.addMouseMotionListener( new MyMouseListener( ));



"Torsten Welches" <torsten.welches@who.cares.netcologne.de> wrote in message
news:3a657033$1_1@dnews...
>
> Jim,
>
> a TreeCellRenderer is only used to *paint* the nodes, it is not
> part of the JTree as a visual component.
> Tooltips work because JTree overrides getToolTipText appropriately.
>
> Torsten
>
> "Jim H." <jgh@metafile.com> wrote:
> >For 2+ days I have been trying to alter the cursor from the default to
the
> >wait and hand with no luck.
> >
> >I have an Applet with a JTree.  Some of the tree nodes may be clicked to
> >issue a server request using a background thread.  I would like to
display
> >the hand cursor for these nodes.  And, while the server request is
> >outstanding, I would like to display the wait cursor.  Otherwise, I want
to
> >display the default cursor for all the other tree nodes.
> >
> >I have set the component's (a JLabel) cursor using the following code:
> >------------------------------------
> >  public Component render(
> >                           Component        dspComp            // The
> >displayed component
> >                         , JTree                  tree
> >// The tree structure
> >                         , DefaultMutableTreeNode node      // The
current
> >tree node
> >                         , boolean                isSelected          //
Is
> >node selected
> >                         , boolean                isExpanded        // Is
> >folder expanded
> >                         , boolean                isLeaf
//
> >Is node a leaf
> >                         , int                        row
> >// Row in the tree
> >                         , boolean                hasFocus           //
Does
> >node have focus
> >                         )
> >  {
> >      JLabel jLabel = (JLabel)super.render( dspComp      // The displayed
> >component
> >                                          , tree         // The tree
> >structure
> >                                          , node         // The current
tree
> >node
> >                                          , isSelected   // Is node
selected
> >                                          , isExpanded   // Is folder
> >expanded
> >                                          , isLeaf       // Is node a
leaf
> >                                          , row          // Row in the
tree
> >                                          , hasFocus     // Does node
have
> >focus
> >                                          );
> >
> >
> >      Cursor jc =  Cursor.getPredefinedCursor( Cursor.DEFAULT_CURSOR);
> >
> >      if  ( _nodeFailure )
> >      {
> >          jLabel.setIcon( _damagedIcon);
> >          jLabel.setToolTipText( MSG_ERROR);
> >      }
> >      else if  ( isLoadInProgress() )
> >      {
> >          jLabel.setIcon( _notLoadedIcon);
> >          jLabel.setToolTipText( MSG_LOADING);
> >          if  ( hasFocus) jc = Cursor.getPredefinedCursor(
> >Cursor.WAIT_CURSOR);
> >      }
> >      else if  ( !isLoadCompleted() )
> >      {
> >          jLabel.setIcon( _notLoadedIcon);
> >          jLabel.setToolTipText( MSG_CLICK_TO_LOAD);
> >          if  ( hasFocus) jc =  Cursor.getPredefinedCursor(
> >Cursor.HAND_CURSOR);
> >      }
> >
> >      jLabel.setCursor( jc);
> >      return( jLabel);
> >  }
> >---------------------------------------------
> >
> >The tool-tips work great!  However, the cursor does not change!  Under
the
> >debugger and examining the jLabel, the cursor is changed.  But it just is
> >not visually displayed.  Only the default cursor is shown.
> >
> >I have tried a mouse listener without success.  The above seems simple
and
> >straight forward, but ineffective.
> >
> >Any ideas?
> >
> >Thanks!
> >
> >
> >
>