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ttk::style(n) Tk Themed Widget ttk::style(n)
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NAME
ttk::style - Manipulate style database
SYNOPSIS
ttk::style option ?args?
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NOTES
See also the Tcl'2004 conference presentation, available at http://tktable.source-
forge.net/tile/tile-tcl2004.pdf
DEFINITIONS
Each widget is assigned a style, which specifies the set of elements making up the widget
and how they are arranged, along with dynamic and default settings for element options.
By default, the style name is the same as the widget's class; this may be overridden by
the -style option.
A theme is a collection of elements and styles which controls the overall look and feel of
an application.
DESCRIPTION
The ttk::style command takes the following arguments:
ttk::style configure style ?-option ?value option value...? ?
Sets the default value of the specified option(s) in style.
ttk::style map style ?-option { statespec value... }?
Sets dynamic values of the specified option(s) in style. Each statespec / value
pair is examined in order; the value corresponding to the first matching statespec
is used.
ttk::style lookup style -option ?state ?default??
Returns the value specified for -option in style style in state state, using the
standard lookup rules for element options. state is a list of state names; if
omitted, it defaults to all bits off (the "normal" state). If the default argument
is present, it is used as a fallback value in case no specification for -option is
found.
ttk::style layout style ?layoutSpec?
Define the widget layout for style style. See LAYOUTS below for the format of lay-
outSpec. If layoutSpec is omitted, return the layout specification for style
style.
ttk::style element create elementName type ?args...?
Creates a new element in the current theme of type type. The only cross-platform
built-in element type is image (see ttk_image(n)) but themes may define other ele-
ment types (see Ttk_RegisterElementFactory). On suitable versions of Windows an
element factory is registered to create Windows theme elements (see ttk_vsapi(n)).
ttk::style element names
Returns the list of elements defined in the current theme.
ttk::style element options element
Returns the list of element's options.
ttk::style theme create themeName ?-parent basedon? ?-settings script... ?
Creates a new theme. It is an error if themeName already exists. If -parent is
specified, the new theme will inherit styles, elements, and layouts from the parent
theme basedon. If -settings is present, script is evaluated in the context of the
new theme as per ttk::style theme settings.
ttk::style theme settings themeName script
Temporarily sets the current theme to themeName, evaluate script, then restore the
previous theme. Typically script simply defines styles and elements, though arbi-
trary Tcl code may appear.
ttk::style theme names
Returns a list of all known themes.
ttk::style theme use ?themeName?
Without an argument the result is the name of the current theme. Otherwise this
command sets the current theme to themeName, and refreshes all widgets.
LAYOUTS
A layout specifies a list of elements, each followed by one or more options specifying how
to arrange the element. The layout mechanism uses a simplified version of the pack geome-
try manager: given an initial cavity, each element is allocated a parcel. Valid options
are:
-side side
Specifies which side of the cavity to place the element; one of left, right, top,
or bottom. If omitted, the element occupies the entire cavity.
-sticky [nswe]
Specifies where the element is placed inside its allocated parcel.
-children { sublayout... }
Specifies a list of elements to place inside the element.
For example:
ttk::style layout Horizontal.TScrollbar {
Scrollbar.trough -children {
Scrollbar.leftarrow -side left
Scrollbar.rightarrow -side right
Horizontal.Scrollbar.thumb -side left -sticky ew
}
}
SEE ALSO
ttk::intro(n), ttk::widget(n), photo(n), ttk_image(n)
KEYWORDS
style, theme, appearance
Tk 8.5 ttk::style(n)
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