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7.2. Listbox Options
As with any of the widgets, you can configure the Listbox using options. The standard widget options are -cursor, -font, -height, -highlightbackground,-highlightcolor, -highlightthickness, -takefocus, -width, -xscrollcommand, and -yscrollcommand. The options specific to Listbox widgets will be further discussed later in this chapter.
- -background => color
- Sets the color of the area behind the text.
- -borderwidth => amount
- Sets the width of the edges of the widget. Default is 2.
- -cursor => cursorname
- Sets the cursor to display when the mouse is over the Listbox.
- -exportselection => 0 | 1
- Determines if the current Listbox selection is made available for the X selection as well. If set to 1, prevents two Listboxes from having selections at the same time.
- -font => fontname
- Sets the font of any text displayed within the Listbox.
- -foreground => color
- Sets the color of nonselected text displayed in the Listbox.
- -height => amount
- Sets the height of the Listbox.
- -highlightbackground => color
- Sets the color the highlight rectangle should be when the Listbox does not have the keyboard focus.
- -highlightcolor => color
- Sets the color the highlight rectangle should be when the Listbox does have the keyboard focus.
- -highlightthickness => amount
- Sets the thickness of the highlight rectangle. Default is 2.
- -relief => 'flat'|'groove'|'raised'|'ridge'|'sunken'|'solid'
- Sets the relief of the edges of the Listbox.
- -selectbackground => color
- Sets the color behind any selected text.
- -selectborderwidth => amount
- Sets the width of the border around any selected text.
- -selectforeground => color
- Sets the color of the text in any selected items.
- -selectmode => "single" | "browse" | "multiple" | "extended"
- Affects how many items can be selected at once; also affects some key/mouse bindings for the Listbox (such as Shift-select).
- -setgrid => 0 | 1
- Turns gridding off or on for the Listbox. Default is 0.
- -takefocus => 0 | 1 | undef
- Determines whether the widget can have keyboard focus. 0 means never, 1 means always, undef means dynamic decision.
- -width => amount
- Sets the width of the Listbox in characters. If amount is 0 or less, the Listbox is made as wide as the longest item.
- -xscrollcommand => callback
- Assigns a horizontal Scrollbar to widget. See Chapter 6, "The Scrollbar Widget".
- -yscrollcommand => callback
- Assigns a vertical Scrollbar to widget. See Chapter 6, "The Scrollbar Widget".
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| 7. The Listbox Widget |  | 7.3. Selection Modes |
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