Add a simple file browser based on the icon view.

Add a simple file browser based on the icon view.

2004-07-04  Anders Carlsson  <andersca@gnome.org>

	* demos/gtk-demo/Makefile.am:
	* demos/gtk-demo/gnome-fs-directory.png:
	* demos/gtk-demo/gnome-fs-regular.png:
	* demos/gtk-demo/iconview.c: (load_pixbufs), (fill_store),
	(sort_func), (create_store), (item_activated), (up_clicked),
	(home_clicked), (do_iconview):
	Add a simple file browser based on the icon view.

	* gtk/gtk.h:
	Add gtk/gtkiconview.h

	* gtk/gtkiconview.c: (gtk_icon_view_layout),
	(gtk_icon_view_item_new), (gtk_icon_view_item_activated):
	Fix a few bugs discovered while writing the demo.