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tk_setPalette(n) Tk Built-In Commands tk_setPalette(n)
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NAME
tk_setPalette, tk_bisque - Modify the Tk color palette
SYNOPSIS
tk_setPalette background
tk_setPalette name value ?name value ...?
tk_bisque
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DESCRIPTION
The tk_setPalette procedure changes the color scheme for Tk. It does this by modifying
the colors of existing widgets and by changing the option database so that future widgets
will use the new color scheme. If tk_setPalette is invoked with a single argument, the
argument is the name of a color to use as the normal background color; tk_setPalette will
compute a complete color palette from this background color. Alternatively, the arguments
to tk_setPalette may consist of any number of name-value pairs, where the first argument
of the pair is the name of an option in the Tk option database and the second argument is
the new value to use for that option. The following database names are currently sup-
ported: activeBackground foregroundselectColor activeFore-
ground highlightBackgroundselectBackground background highlight-
Color selectForeground disabledForeground insertBackgroundtroughColor tk_set-
Palette tries to compute reasonable defaults for any options that you do not specify. You
can specify options other than the above ones and Tk will change those options on widgets
as well. This feature may be useful if you are using custom widgets with additional color
options.
Once it has computed the new value to use for each of the color options, tk_setPalette
scans the widget hierarchy to modify the options of all existing widgets. For each wid-
get, it checks to see if any of the above options is defined for the widget. If so, and
if the option's current value is the default, then the value is changed; if the option
has a value other than the default, tk_setPalette will not change it. The default for an
option is the one provided by the widget ([lindex [$w configure $option] 3]) unless
tk_setPalette has been run previously, in which case it is the value specified in the pre-
vious invocation of tk_setPalette.
After modifying all the widgets in the application, tk_setPalette adds options to the
option database to change the defaults for widgets created in the future. The new options
are added at priority widgetDefault, so they will be overridden by options from the .Xde-
faults file or options specified on the command-line that creates a widget.
The procedure tk_bisque is provided for backward compatibility: it restores the applica-
tion's colors to the light brown ("bisque") color scheme used in Tk 3.6 and earlier ver-
sions.
KEYWORDS
bisque, color, palette
Tk 4.0 tk_setPalette(n)
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Under GNU General Public License
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