1 files changed, 38 insertions, 0 deletions
diff --git a/draw.go b/draw.go
new file mode 100644
index 0000000..db22fe2
--- /dev/null
+++ b/draw.go
@@ -0,0 +1,38 @@
+package main
+
+var toggle bool = true
+
+func (w *guiWidget) DrawAt(offsetW, offsetH int) {
+	w.setColor(&colorActiveW)
+	w.placeWidgets(offsetW, offsetH) // compute the sizes & places for each widget
+	w.active = false
+	w.showWidgets()
+}
+
+func (w *guiWidget) toggleTree() {
+	if toggle {
+		w.drawTree(toggle)
+		toggle = false
+	} else {
+		w.hideWidgets()
+		toggle = true
+	}
+}
+
+// display the widgets in the binary tree
+func (w *guiWidget) drawTree(draw bool) {
+	if w == nil {
+		return
+	}
+	w.showWidgetPlacement("drawTree()")
+	if draw {
+		// w.textResize()
+		w.showView()
+	} else {
+		w.deleteView()
+	}
+
+	for _, child := range w.children {
+		child.drawTree(draw)
+	}
+}