Index: work/gtk/layersel/layersel.c
===================================================================
--- work/gtk/layersel/layersel.c	(revision 8480)
+++ work/gtk/layersel/layersel.c	(revision 8481)
@@ -1,7 +1,52 @@
 #include "layersel.h"
 #include "lib_gtk_common/compat.h"
 
+static GtkWidget *add_grp(const char *gname)
+{
+	GtkWidget *grp_row, *grp_closed, *grp_open, *gn_vert, *layer[4], *grp_layers;
+	int n;
+	char tmp[32];
+
+/* Layout:
+  +--------------------------+<- grp_row
+  | grp_closed               |
+  +--------------------------+
+  |+-----------------------+<--- grp_open
+  || gn | layer1           | |
+  || _v | layer2           | |
+  || er | layer3           | |
+  || t  | layer4           | |
+  |+-----------------------+ |
+  +--------------------------+
+*/
+	grp_row = gtkc_vbox_new(0, 0);
+	grp_closed = gtkc_hbox_new(0, 0);
+	grp_open = gtkc_hbox_new(0, 0);
+	gtk_box_pack_start(GTK_BOX(grp_row), grp_closed, TRUE, TRUE, 0);
+	gtk_box_pack_start(GTK_BOX(grp_row), grp_open, TRUE, TRUE, 0);
+
+	gn_vert = gtkc_vbox_new(0, 0);
+	grp_layers = gtkc_vbox_new(0, 0);
+	gtk_box_pack_start(GTK_BOX(grp_open), gn_vert, TRUE, TRUE, 0);
+	gtk_box_pack_start(GTK_BOX(grp_open), grp_layers, TRUE, TRUE, 0);
+
+	gtk_box_pack_start(GTK_BOX(gn_vert), gtk_label_new(gname), TRUE, TRUE, 0);
+	gtk_box_pack_start(GTK_BOX(grp_open), gtk_label_new(gname), TRUE, TRUE, 0);
+
+	for(n = 0; n < 4; n++) {
+		layer[n] = gtkc_hbox_new(0, 0);
+		gtk_box_pack_start(GTK_BOX(grp_layers), layer[n], TRUE, TRUE, 0);
+
+		sprintf(tmp, "layer %d\n", n);
+		gtk_box_pack_start(GTK_BOX(layer[n]), gtk_label_new("[vis]"), TRUE, TRUE, 0);
+		gtk_box_pack_start(GTK_BOX(layer[n]), gtk_label_new(tmp), TRUE, TRUE, 0);
+	}
+
+	return grp_row;
+}
+
+
 GtkWidget *pcb_gtk_layersel_build(void)
 {
-	
+	return NULL;
 }