2. EL 9
  3. tk
  4. ttk_style(n)

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ttk::style(n) Tk Themed Widget ttk::style(n) 





NAME


ttk::style - Manipulate style database






SYNOPSIS


ttk::style option ?args?








NOTES


See also the Tcl'2004 conference presentation, available at
    https://tktable.sourceforge.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:



  

  
Sets the default value of the specified option(s) in style.

  

  
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.

  

  
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.

  

  
Define the widget layout for style style. See LAYOUTS below
      for the format of layoutSpec. If layoutSpec is omitted,
      return the layout specification for style style.

  

  
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 element types (see
      Ttk_RegisterElementFactory). On suitable versions of Windows an
      element factory is registered to create Windows theme elements (see
      ttk_vsapi(n)).

  

  
Returns the list of elements defined in the current theme.

  

  
Returns the list of element's options.

  

  
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.

  

  
Temporarily sets the current theme to themeName, evaluate
      script, then restore the previous theme. Typically script
      simply defines styles and elements, though arbitrary Tcl code may
    appear.

  

  
Returns a list of all known themes.

  

  
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 geometry manager: given an
    initial cavity, each element is allocated a parcel. Valid options are:



  

  
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.

  

  
Specifies where the element is placed inside its allocated parcel.

  

  
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







  

    8.5
    Tk