Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/tcl/tk8.6/demos/combo.tcl

@@ -0,0 +1,61 @@
+# combo.tcl --
+#
+# This demonstration script creates several combobox widgets.
+
+if {![info exists widgetDemo]} {
+    error "This script should be run from the \"widget\" demo."
+}
+
+package require Tk
+
+set w .combo
+catch {destroy $w}
+toplevel $w
+wm title $w "Combobox Demonstration"
+wm iconname $w "combo"
+positionWindow $w
+
+ttk::label $w.msg -font $font -wraplength 5i -justify left -text "Three different\
+	combo-boxes are displayed below. You can add characters to the first\
+	one by pointing, clicking and typing, just as with an entry; pressing\
+	Return will cause the current value to be added to the list that is\
+	selectable from the drop-down list, and you can choose other values\
+	by pressing the Down key, using the arrow keys to pick another one,\
+	and pressing Return again. The second combo-box is fixed to a\
+	particular value, and cannot be modified at all. The third one only\
+	allows you to select values from its drop-down list of Australian\
+	cities."
+pack $w.msg -side top -fill x
+
+## See Code / Dismiss buttons
+set btns [addSeeDismiss $w.buttons $w {firstValue secondValue ozCity}]
+pack $btns -side bottom -fill x
+
+ttk::frame $w.f
+pack $w.f -fill both -expand 1
+set w $w.f
+
+set australianCities {
+    Canberra Sydney Melbourne Perth Adelaide Brisbane
+    Hobart Darwin "Alice Springs"
+}
+set secondValue unchangable
+set ozCity Sydney
+
+ttk::labelframe $w.c1 -text "Fully Editable"
+ttk::combobox $w.c1.c -textvariable firstValue
+ttk::labelframe $w.c2 -text Disabled
+ttk::combobox $w.c2.c -textvariable secondValue -state disabled
+ttk::labelframe $w.c3 -text "Defined List Only"
+ttk::combobox $w.c3.c -textvariable ozCity -state readonly \
+	-values $australianCities
+bind $w.c1.c <Return> {
+    if {[%W get] ni [%W cget -values]} {
+	%W configure -values [concat [%W cget -values] [list [%W get]]]
+    }
+}
+
+pack $w.c1 $w.c2 $w.c3 -side top -pady 5 -padx 10
+pack $w.c1.c -pady 5 -padx 10
+pack $w.c2.c -pady 5 -padx 10
+pack $w.c3.c -pady 5 -padx 10