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'\"
'\" Copyright (c) 2004 Joe English
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: ttk_style.n,v 1.5 2007/10/24 14:32:59 dkf Exp $
'\"
.so man.macros
.TH ttk_style n 8.5 Tk "Tk Themed Widget"
.BS
.SH NAME
ttk_style \- Control overall look and feel of widgets
.SH SYNOPSIS
\fBttk::style\fR \fIoption\fR ?\fIargs\fR?
.BE
.BS
.SH NOTES
.PP
This manpage has not been written yet. Please see the Tcl'2004 conference
presentation, available at
http://tktable.sourceforge.net/tile/tile-tcl2004.pdf
.BE
.SH DEFINITIONS
.PP
Each Ttk widget is assigned a \fIstyle\fR, which specifies the set of elements
making up the widget and how they are arranged, along with dynamic and default
settings for element resources. By default, the style name is the same as the
widget's class; this may be overridden by the \fB\-style\fR option.
.PP
A \fItheme\fR is a collection of elements and styles which controls the
overall look and feel of an application.
.SH DESCRIPTION
The \fBttk::style\fR command takes the following arguments:
.TP
\fBttk::style configure \fIstyle\fR ?\fI\-option \fR?\fIvalue option value...\fR? ?
.
Sets the default value of the specified option(s) in \fIstyle\fR.
.TP
\fBttk::style map \fIstyle\fR ?\fI\-option\fR { \fIstatespec value\fR } ... ?
.
Sets dynamic values of the specified option(s) in \fIstyle\fR. Each
\fIstatespec / value\fR pair is examined in order; the value corresponding to
the first matching \fIstatespec\fR is used.
.TP
\fBttk::style lookup \fIstyle\fR \fI\-option \fR?\fIstate\fR? ?\fIdefault\fR?
.
Returns the value specified for \fI\-option\fR in style \fIstyle\fR in state
\fIstate\fR, using the standard lookup rules for element options. \fIstate\fR
is a list of state names; if omitted, it defaults to all bits off (the
.QW normal
state). If the \fIdefault\fR argument is present, it is used as a
fallback value in case no specification for \fI\-option\fR is found.
.\" Otherwise -- signal error? return empty string? Leave unspecified for now.
.TP
\fBttk::style layout \fIstyle\fR ?\fIlayoutSpec\fR?
.
Define the widget layout for style \fIstyle\fR. See "\fBLAYOUTS\fR" below for
the format of \fIlayoutSpec\fR. If \fIlayoutSpec\fR is omitted, return the
layout specification for style \fIstyle\fR.
.TP
\fBttk::style element create\fR \fIelementName\fR \fItype\fR ?\fIargs...\fR?
.
Creates a new element in the current theme of type \fItype\fR. The only
built-in element type is \fIimage\fR (see \fIttk_image(n)\fR), although themes
may define other element types (see \fBTtk_RegisterElementFactory\fR).
.TP
\fBttk::style element names\fR
.
Returns the list of elements defined in the current theme.
.TP
\fBttk::style element options \fIelement\fR
.
Returns the list of \fIelement\fR's options.
.TP
\fBttk::style theme create\fR \fIthemeName\fR ?\fB\-parent \fIbasedon\fR? ?\fB\-settings \fIscript...\fR ?
.
Creates a new theme. It is an error if \fIthemeName\fR already exists. If
\fI\-parent\fR is specified, the new theme will inherit styles, elements, and
layouts from the parent theme \fIbasedon\fB. If \fI\-settings\fR is present,
\fIscript\fR is evaluated in the context of the new theme as per \fBttk::style
theme settings\fR.
.TP
\fBttk::style theme settings \fIthemeName\fR \fIscript\fR
.
Temporarily sets the current theme to \fIthemeName\fR, evaluate \fIscript\fR,
then restore the previous theme. Typically \fIscript\fR simply defines styles
and elements, though arbitrary Tcl code may appear.
.TP
\fBttk::style theme names\fR
.
Returns a list of the available themes.
.TP
\fBttk::style theme use\fR \fIthemeName\fR
.
Sets the current theme to \fIthemeName\fR, and refreshes all widgets.
.SH LAYOUTS
A \fIlayout\fR 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 \fBpack\fR geometry manager: given an initial
cavity, each element is allocated a parcel. Valid options are:
.TP
\fB\-side \fIside\fR
.
Specifies which side of the cavity to place the element; one of \fBleft\fR,
\fBright\fR, \fBtop\fR, or \fBbottom\fR. If omitted, the element occupies the
entire cavity.
.TP
\fB\-sticky \fI[nswe]\fR
.
Specifies where the element is placed inside its allocated parcel. The syntax
is as in the equivalently-named option to the \fBgrid\fR geometry manager.
.TP
\fB\-children \fI{ sublayout... }\fR
.
Specifies a list of elements to place inside the element.
.\" Also: -border, -unit, -expand: may go away.
.SH EXAMPLE
.CS
\fBttk::style\fR layout Horizontal.TScrollbar {
Scrollbar.trough -children {
Scrollbar.leftarrow -side left
Scrollbar.rightarrow -side right
Horizontal.Scrollbar.thumb -side left -sticky ew
}
}
.CE
.SH "SEE ALSO"
ttk_intro(n), ttk_widget(n), photo(n)
.SH KEYWORDS
style, theme, appearance
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