Tree widget implementation by Bolliet Jerome.

There is also another tree widget implementation by
AOSASA Shigeru <aozasa@sakuranet.or.jp>:

ftp://ftp.gimp.org/pub/gtk/contrib/gtk-shige-971216-0.tar.gz

-Shawn

gtk/tree_minus.xpm

@@ -0,0 +1,18 @@
+/* XPM */
+static char *tree_minus[] = {
+/* width height num_colors chars_per_pixel */
+"     9     9        2            1",
+/* colors */
+". c #000000",
+"# c #f8fcf8",
+/* pixels */
+".........",
+".#######.",
+".#######.",
+".#######.",
+".#.....#.",
+".#######.",
+".#######.",
+".#######.",
+"........."
+};