start debugging combobox & dropdown

Signed-off-by: Jeff Carr <jcarr@wit.com>

add.go

@@ -58,6 +58,10 @@ func addWidget(n *tree.Node) {
 		nw.color = &colorButton
 	case widget.Checkbox:
 		nw.color = &colorCheckbox
+	case widget.Dropdown:
+		nw.color = &colorDropdown
+	case widget.Combobox:
+		nw.color = &colorCombobox
 	case widget.Box:
 		nw.color = &colorBox
 		nw.isFake = true

color.go

@@ -75,11 +75,29 @@ var colorButton colorT = colorT{
 	name:  "normal button",
 }
 
+var colorDropdown colorT = colorT{
+	frame: gocui.ColorYellow,
+	fg:    none,
+	bg:    gocui.ColorWhite,
+	selFg: gocui.ColorYellow,
+	selBg: gocui.ColorBlack,
+	name:  "normal button",
+}
+
+var colorCombobox colorT = colorT{
+	frame: gocui.ColorBlue,
+	fg:    none,
+	bg:    gocui.ColorWhite,
+	selFg: gocui.ColorBlue,
+	selBg: gocui.ColorBlack,
+	name:  "normal button",
+}
+
 var colorCheckbox colorT = colorT{
 	frame: gocui.ColorRed,
 	fg:    none,
 	bg:    gocui.ColorWhite,
-	selFg: gocui.ColorGreen,
+	selFg: gocui.ColorRed,
 	selBg: gocui.ColorBlack,
 	name:  "normal checkbox",
 }