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