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Table 13-2. Canvas Options

Option

Type

Description

background (bg)

color

borderwidth (bd)

distance

closeenough

confine

cursor

cursor

height

distance

highlightbackground, highlightcolor

color

Controls how to draw the focus highlight border. When the widget has focus, the border is drawn in the highlightcolor color. Otherwise, it is drawn in the highlightbackground color. The defaults are system specific.

highlightthickness

distance

Controls the width of the focus highlight border. Default is one or two pixels.

Note that the focus highlight border is drawn on top of the canvas coordinate systems; if you don't use scrollbars, a one pixel border covers items drawn at canvas coordinate (0, 0).

insertbackground

color

Color used for the insertion cursor.

insertborderwidth

distance

Borderwidth for the insertion cursor.

insertofftime, insertontime

time

Controls cursor blinking.

insertwidth

distance

Width of the insertion cursor.

relief

constant

Border decoration. The default is FLAT. Other possible values are SUNKEN, RAISED, GROOVE, and RIDGE.

Note that to show the border, you need to change the borderwidth from it's default value of 0. Also note that the border is drawn on top of the canvas coordinate system.

scrollregion

4-tuple

The bounding box of the scrollable area. If this option is not set, the scrolling is not bounded.

selectbackground

color

selectborderwidth

distance

selectforeground

color

takefocus

flag

Indicates that the user can use the Tab key to move to this widget. Default is an empty string, which means that the canvas accepts focus only if it has any keyboard bindings (default is off, in other words).

width

distance

xscrollcommand

callback

xscrollincrement

distance

yscrollcommand

callback

yscrollincrement

distance

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