[cp-patches] Patch: BasicTreeUI, fix for when root is hidden

[Lillian Angel]

A user tested his program with custom icons and had the root hidden. He
tested it with Sun, and noticed that it worked properly by showing the
children of the root to appear as independant trees. Now our JTree works
the same.

Attached is a screen shot to further explain what I mean.
On the left is the JTree using Classpath, and on the right is Sun's.


2005-07-20  Lillian Angel  <address@hidden>

        * javax/swing/plaf/basic/BasicTreeUI.java
        (paint): Changed to paint children of root as roots if the
        root is not visible, but the root path is expanded.
        (getPathForRow): If the root is not visible, but expanded,
        the first child should be considered row 0.
        (getRowCount): Likewise.
        (getPathBounds): Likewise.
        (getCellLocation): If root is not visible, but expanded, the
        level of each node is lowered by 1.
        (paintRecursive): If root is not visible, but expanded, there 
        should be no indentation when the children are drawn. Also, 
        there should be no line drawn connecting the children. This 
        makes it look like there are 2 independant trees (works same as 
        JDK).

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