'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: radiobutton.n,v 1.6 2002/08/28 01:08:06 drh Exp $
-'\"
-'\" The definitions below are for supplemental macros used in Tcl/Tk
-'\" manual entries.
-'\"
-'\" .AP type name in/out ?indent?
-'\" Start paragraph describing an argument to a library procedure.
-'\" type is type of argument (int, etc.), in/out is either "in", "out",
-'\" or "in/out" to describe whether procedure reads or modifies arg,
-'\" and indent is equivalent to second arg of .IP (shouldn't ever be
-'\" needed; use .AS below instead)
-'\"
-'\" .AS ?type? ?name?
-'\" Give maximum sizes of arguments for setting tab stops. Type and
-'\" name are examples of largest possible arguments that will be passed
-'\" to .AP later. If args are omitted, default tab stops are used.
-'\"
-'\" .BS
-'\" Start box enclosure. From here until next .BE, everything will be
-'\" enclosed in one large box.
-'\"
-'\" .BE
-'\" End of box enclosure.
-'\"
-'\" .CS
-'\" Begin code excerpt.
-'\"
-'\" .CE
-'\" End code excerpt.
-'\"
-'\" .VS ?version? ?br?
-'\" Begin vertical sidebar, for use in marking newly-changed parts
-'\" of man pages. The first argument is ignored and used for recording
-'\" the version when the .VS was added, so that the sidebars can be
-'\" found and removed when they reach a certain age. If another argument
-'\" is present, then a line break is forced before starting the sidebar.
-'\"
-'\" .VE
-'\" End of vertical sidebar.
-'\"
-'\" .DS
-'\" Begin an indented unfilled display.
-'\"
-'\" .DE
-'\" End of indented unfilled display.
-'\"
-'\" .SO
-'\" Start of list of standard options for a Tk widget. The
-'\" options follow on successive lines, in four columns separated
-'\" by tabs.
-'\"
-'\" .SE
-'\" End of list of standard options for a Tk widget.
-'\"
-'\" .OP cmdName dbName dbClass
-'\" Start of description of a specific option. cmdName gives the
-'\" option's name as specified in the class command, dbName gives
-'\" the option's name in the option database, and dbClass gives
-'\" the option's class in the option database.
-'\"
-'\" .UL arg1 arg2
-'\" Print arg1 underlined, then print arg2 normally.
-'\"
-'\" RCS: @(#) $Id: man.macros,v 1.4 2000/08/25 06:18:32 ericm Exp $
-'\"
-'\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
+.TH radiobutton n 4.4 Tk "Tk Built-In Commands"
+.\" The -*- nroff -*- definitions below are for supplemental macros used
+.\" in Tcl/Tk manual entries.
+.\"
+.\" .AP type name in/out ?indent?
+.\" Start paragraph describing an argument to a library procedure.
+.\" type is type of argument (int, etc.), in/out is either "in", "out",
+.\" or "in/out" to describe whether procedure reads or modifies arg,
+.\" and indent is equivalent to second arg of .IP (shouldn't ever be
+.\" needed; use .AS below instead)
+.\"
+.\" .AS ?type? ?name?
+.\" Give maximum sizes of arguments for setting tab stops. Type and
+.\" name are examples of largest possible arguments that will be passed
+.\" to .AP later. If args are omitted, default tab stops are used.
+.\"
+.\" .BS
+.\" Start box enclosure. From here until next .BE, everything will be
+.\" enclosed in one large box.
+.\"
+.\" .BE
+.\" End of box enclosure.
+.\"
+.\" .CS
+.\" Begin code excerpt.
+.\"
+.\" .CE
+.\" End code excerpt.
+.\"
+.\" .VS ?version? ?br?
+.\" Begin vertical sidebar, for use in marking newly-changed parts
+.\" of man pages. The first argument is ignored and used for recording
+.\" the version when the .VS was added, so that the sidebars can be
+.\" found and removed when they reach a certain age. If another argument
+.\" is present, then a line break is forced before starting the sidebar.
+.\"
+.\" .VE
+.\" End of vertical sidebar.
+.\"
+.\" .DS
+.\" Begin an indented unfilled display.
+.\"
+.\" .DE
+.\" End of indented unfilled display.
+.\"
+.\" .SO ?manpage?
+.\" Start of list of standard options for a Tk widget. The manpage
+.\" argument defines where to look up the standard options; if
+.\" omitted, defaults to "options". The options follow on successive
+.\" lines, in three columns separated by tabs.
+.\"
+.\" .SE
+.\" End of list of standard options for a Tk widget.
+.\"
+.\" .OP cmdName dbName dbClass
+.\" Start of description of a specific option. cmdName gives the
+.\" option's name as specified in the class command, dbName gives
+.\" the option's name in the option database, and dbClass gives
+.\" the option's class in the option database.
+.\"
+.\" .UL arg1 arg2
+.\" Print arg1 underlined, then print arg2 normally.
+.\"
+.\" .QW arg1 ?arg2?
+.\" Print arg1 in quotes, then arg2 normally (for trailing punctuation).
+.\"
+.\" .PQ arg1 ?arg2?
+.\" Print an open parenthesis, arg1 in quotes, then arg2 normally
+.\" (for trailing punctuation) and then a closing parenthesis.
+.\"
+.\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
.if t .wh -1.3i ^B
.nr ^l \n(.l
.ad b
-'\" # Start an argument description
+.\" # Start an argument description
.de AP
.ie !"\\$4"" .TP \\$4
.el \{\
.\}
.ta \\n()Au \\n()Bu
.ie !"\\$3"" \{\
-\&\\$1 \\fI\\$2\\fP (\\$3)
+\&\\$1 \\fI\\$2\\fP (\\$3)
.\".b
.\}
.el \{\
.\}
.\}
..
-'\" # define tabbing values for .AP
+.\" # define tabbing values for .AP
.de AS
.nr )A 10n
.if !"\\$1"" .nr )A \\w'\\$1'u+3n
.nr )C \\n()Bu+\\w'(in/out)'u+2n
..
.AS Tcl_Interp Tcl_CreateInterp in/out
-'\" # BS - start boxed text
-'\" # ^y = starting y location
-'\" # ^b = 1
+.\" # BS - start boxed text
+.\" # ^y = starting y location
+.\" # ^b = 1
.de BS
.br
.mk ^y
.if n \l'\\n(.lu\(ul'
.if n .fi
..
-'\" # BE - end boxed text (draw box now)
+.\" # BE - end boxed text (draw box now)
.de BE
.nf
.ti 0
.br
.nr ^b 0
..
-'\" # VS - start vertical sidebar
-'\" # ^Y = starting y location
-'\" # ^v = 1 (for troff; for nroff this doesn't matter)
+.\" # VS - start vertical sidebar
+.\" # ^Y = starting y location
+.\" # ^v = 1 (for troff; for nroff this doesn't matter)
.de VS
.if !"\\$2"" .br
.mk ^Y
.ie n 'mc \s12\(br\s0
.el .nr ^v 1u
..
-'\" # VE - end of vertical sidebar
+.\" # VE - end of vertical sidebar
.de VE
.ie n 'mc
.el \{\
.\}
.nr ^v 0
..
-'\" # Special macro to handle page bottom: finish off current
-'\" # box/sidebar if in box/sidebar mode, then invoked standard
-'\" # page bottom macro.
+.\" # Special macro to handle page bottom: finish off current
+.\" # box/sidebar if in box/sidebar mode, then invoked standard
+.\" # page bottom macro.
.de ^B
.ev 2
'ti 0
.mk ^Y
.\}
..
-'\" # DS - begin display
+.\" # DS - begin display
.de DS
.RS
.nf
.sp
..
-'\" # DE - end display
+.\" # DE - end display
.de DE
.fi
.RE
.sp
..
-'\" # SO - start of list of standard options
+.\" # SO - start of list of standard options
.de SO
+'ie '\\$1'' .ds So \\fBoptions\\fR
+'el .ds So \\fB\\$1\\fR
.SH "STANDARD OPTIONS"
.LP
.nf
.ta 5.5c 11c
.ft B
..
-'\" # SE - end of list of standard options
+.\" # SE - end of list of standard options
.de SE
.fi
.ft R
.LP
-See the \\fBoptions\\fR manual entry for details on the standard options.
+See the \\*(So manual entry for details on the standard options.
..
-'\" # OP - start of full description for a single option
+.\" # OP - start of full description for a single option
.de OP
.LP
.nf
.fi
.IP
..
-'\" # CS - begin code excerpt
+.\" # CS - begin code excerpt
.de CS
.RS
.nf
.ta .25i .5i .75i 1i
..
-'\" # CE - end code excerpt
+.\" # CE - end code excerpt
.de CE
.fi
.RE
..
+.\" # UL - underline word
.de UL
\\$1\l'|0\(ul'\\$2
..
-.TH radiobutton n 4.4 Tk "Tk Built-In Commands"
+.\" # QW - apply quotation marks to word
+.de QW
+.ie '\\*(lq'"' ``\\$1''\\$2
+.\"" fix emacs highlighting
+.el \\*(lq\\$1\\*(rq\\$2
+..
+.\" # PQ - apply parens and quotation marks to word
+.de PQ
+.ie '\\*(lq'"' (``\\$1''\\$2)\\$3
+.\"" fix emacs highlighting
+.el (\\*(lq\\$1\\*(rq\\$2)\\$3
+..
+.\" # QR - quoted range
+.de QR
+.ie '\\*(lq'"' ``\\$1''\\-``\\$2''\\$3
+.\"" fix emacs highlighting
+.el \\*(lq\\$1\\*(rq\\-\\*(lq\\$2\\*(rq\\$3
+..
+.\" # MT - "empty" string
+.de MT
+.QW ""
+..
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
-radiobutton \- Create and manipulate radiobutton widgets
+radiobutton \- Create and manipulate 'radiobutton' pick-one widgets
.SH SYNOPSIS
\fBradiobutton\fR \fIpathName \fR?\fIoptions\fR?
.SO
-\-activebackground \-font \-pady
-\-activeforeground \-foreground \-relief
-\-anchor \-highlightbackground \-takefocus
-\-background \-highlightcolor \-text
-\-bitmap \-highlightthickness \-textvariable
-\-borderwidth \-image \-underline
+\-activebackground \-disabledforeground \-padx
+\-activeforeground \-font \-pady
+\-anchor \-foreground \-relief
+\-background \-highlightbackground \-takefocus
+\-bitmap \-highlightcolor \-text
+\-borderwidth \-highlightthickness \-textvariable
+\-compound \-image \-underline
\-cursor \-justify \-wraplength
-\-disabledforeground \-padx
.SE
.SH "WIDGET-SPECIFIC OPTIONS"
.OP \-command command Command
If an image or bitmap is being displayed in the button then the value is in
screen units (i.e. any of the forms acceptable to \fBTk_GetPixels\fR);
for text it is in lines of text.
-If this option isn't specified, the button's desired height is computed
+If this option is not specified, the button's desired height is computed
from the size of the image or bitmap or text being displayed in it.
.OP \-indicatoron indicatorOn IndicatorOn
Specifies whether or not the indicator should be drawn. Must be a
-proper boolean value. If false, the \fBrelief\fR option is
+proper boolean value. If false, the \fB\-relief\fR option is
ignored and the widget's relief is always sunken if the widget is
selected and raised otherwise.
.OP \-selectcolor selectColor Background
Specifies a background color to use when the button is selected.
-If \fBindicatorOn\fR is true then the color applies to the indicator.
+If \fB\-indicatoron\fR is true then the color applies to the indicator.
Under Windows, this color is used as the background for the indicator
regardless of the select state.
-If \fBindicatorOn\fR is false, this color is used as the background
-for the entire widget, in place of \fBbackground\fR or \fBactiveBackground\fR,
+If \fB\-indicatoron\fR is false, this color is used as the background
+for the entire widget, in place of \fB\-background\fR or \fB\-activeBackground\fR,
whenever the widget is selected.
If specified as an empty string then no special color is used for
displaying when the widget is selected.
-.VS 8.4
.OP \-offrelief offRelief OffRelief
Specifies the relief for the checkbutton when the indicator is not drawn and
-the checkbutton is off. The default value is "raised". By setting this option
-to "flat" and setting -indicatoron to false and -overrelief to raised,
+the checkbutton is off. The default value is
+.QW raised .
+By setting this option to
+.QW flat
+and setting \fB\-indicatoron\fR to false and \fB\-overrelief\fR to
+.QW raised ,
the effect is achieved
of having a flat button that raises on mouse-over and which is
depressed when activated. This is the behavior typically exhibited by
the Align-Left, Align-Right, and Center radiobuttons on the toolbar of a
word-processor, for example.
-
-.VE 8.4
-.VS 8.4
.OP \-overrelief overRelief OverRelief
Specifies an alternative relief for the radiobutton, to be used when the
mouse cursor is over the widget. This option can be used to make
raised\fR. If the value of this option is the empty string, then no
alternative relief is used when the mouse cursor is over the radiobutton.
The empty string is the default value.
-.VE 8.4
.OP \-selectimage selectImage SelectImage
-Specifies an image to display (in place of the \fBimage\fR option)
+Specifies an image to display (in place of the \fB\-image\fR option)
when the radiobutton is selected.
-This option is ignored unless the \fBimage\fR option has been
+This option is ignored unless the \fB\-image\fR option has been
specified.
.OP \-state state State
Specifies one of three states for the radiobutton: \fBnormal\fR, \fBactive\fR,
or \fBdisabled\fR. In normal state the radiobutton is displayed using the
-\fBforeground\fR and \fBbackground\fR options. The active state is
+\fB\-foreground\fR and \fB\-background\fR options. The active state is
typically used when the pointer is over the radiobutton. In active state
-the radiobutton is displayed using the \fBactiveForeground\fR and
-\fBactiveBackground\fR options. Disabled state means that the radiobutton
+the radiobutton is displayed using the \fB\-activeforeground\fR and
+\fB\-activebackground\fR options. Disabled state means that the radiobutton
should be insensitive: the default bindings will refuse to activate
the widget and will ignore mouse button presses.
-In this state the \fBdisabledForeground\fR and
-\fBbackground\fR options determine how the radiobutton is displayed.
+In this state the \fB\-disabledforeground\fR and
+\fB\-background\fR options determine how the radiobutton is displayed.
+.OP \-tristateimage tristateImage TristateImage
+Specifies an image to display (in place of the \fB\-image\fR option)
+when the radiobutton is selected.
+This option is ignored unless the \fB\-image\fR option has been
+specified.
+.OP \-tristatevalue tristateValue Value
+Specifies the value that causes the radiobutton to display the multi-value
+selection, also known as the tri-state mode. Defaults to
+.QW "" .
.OP \-value value Value
Specifies value to store in the button's associated variable whenever
this button is selected.
.OP \-variable variable Variable
-Specifies name of global variable to set whenever this button is
+Specifies the name of a global variable to set whenever this button is
selected. Changes in this variable also cause the button to select
or deselect itself.
Defaults to the value \fBselectedButton\fR.
If an image or bitmap is being displayed in the button, the value is in
screen units (i.e. any of the forms acceptable to \fBTk_GetPixels\fR);
for text it is in characters.
-If this option isn't specified, the button's desired width is computed
+If this option is not specified, the button's desired width is computed
from the size of the image or bitmap or text being displayed in it.
.BE
-
.SH DESCRIPTION
.PP
The \fBradiobutton\fR command creates a new window (given by the
there must not exist a window named \fIpathName\fR, but
\fIpathName\fR's parent must exist.
.PP
-.VS
A radiobutton is a widget that displays a textual string, bitmap or image
and a diamond or circle called an \fIindicator\fR.
-.VE
If text is displayed, it must all be in a single font, but it
can occupy multiple lines on the screen (if it contains newlines
-or if wrapping occurs because of the \fBwrapLength\fR option) and
+or if wrapping occurs because of the \fB\-wraplength\fR option) and
one of the characters may optionally be underlined using the
-\fBunderline\fR option. A radiobutton has
+\fB\-underline\fR option. A radiobutton has
all of the behavior of a simple button: it can display itself in either
-of three different ways, according to the \fBstate\fR option;
+of three different ways, according to the \fB\-state\fR option;
it can be made to appear
raised, sunken, or flat; it can be made to flash; and it invokes
a Tcl command whenever mouse button 1 is clicked over the
.PP
In addition, radiobuttons can be \fIselected\fR.
If a radiobutton is selected, the indicator is normally
-.VS
drawn with a selected appearance, and
a Tcl variable associated with the radiobutton is set to a particular
value (normally 1).
If the radiobutton is not selected, then the indicator is drawn with a
deselected appearance, and the associated variable is
set to a different value (typically 0).
-Under Unix, the indicator is drawn with a raised relief and no special
-color. Under Windows, the indicator is drawn without a round mark inside.
-.VE
+The indicator is drawn without a round mark inside.
Typically, several radiobuttons share a single variable and the
value of the variable indicates which radiobutton is to be selected.
When a radiobutton is selected it sets the value of the variable to
indicate that fact; each radiobutton also monitors the value of
the variable and automatically selects and deselects itself when the
variable's value changes.
+If the variable's value matches the \fB\-tristatevalue\fR, then the radiobutton
+is drawn using the tri-state mode. This mode is used to indicate mixed or
+multiple values. (This is used when the radiobutton represents the state
+of multiple items.)
By default the variable \fBselectedButton\fR
is used; its contents give the name of the button that is
selected, or the empty string if no button associated with that
Configuration options may also be used to modify the way the
indicator is displayed (or whether it is displayed at all).
By default a radiobutton is configured to select itself on button clicks.
-
.SH "WIDGET COMMAND"
.PP
The \fBradiobutton\fR command creates a new Tcl command whose
commands are possible for radiobutton widgets:
.TP
\fIpathName \fBcget\fR \fIoption\fR
+.
Returns the current value of the configuration option given
by \fIoption\fR.
\fIOption\fR may have any of the values accepted by the \fBradiobutton\fR
command.
.TP
\fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR?
+.
Query or modify the configuration options of the widget.
If no \fIoption\fR is specified, returns a list describing all of
the available options for \fIpathName\fR (see \fBTk_ConfigureInfo\fR for
command.
.TP
\fIpathName \fBdeselect\fR
+.
Deselects the radiobutton and sets the associated variable to an
empty string.
If this radiobutton was not currently selected, the command has
no effect.
.TP
\fIpathName \fBflash\fR
+.
Flashes the radiobutton. This is accomplished by redisplaying the radiobutton
several times, alternating between active and normal colors. At
the end of the flash the radiobutton is left in the same normal/active
This command is ignored if the radiobutton's state is \fBdisabled\fR.
.TP
\fIpathName \fBinvoke\fR
+.
Does just what would have happened if the user invoked the radiobutton
with the mouse: selects the button and invokes
its associated Tcl command, if there is one.
This command is ignored if the radiobutton's state is \fBdisabled\fR.
.TP
\fIpathName \fBselect\fR
+.
Selects the radiobutton and sets the associated variable to the
value corresponding to this widget.
-
.SH BINDINGS
.PP
Tk automatically creates class bindings for radiobuttons that give them
the following default behavior:
-.VS
.IP [1]
On Unix systems, a radiobutton activates whenever the mouse passes
over it and deactivates whenever the mouse leaves the radiobutton. On
radiobutton, the button activates whenever the mouse pointer is inside
the button, and deactivates whenever the mouse pointer leaves the
button.
-.VE
.IP [2]
When mouse button 1 is pressed over a radiobutton it is invoked (it
becomes selected and the command associated with the button is
.PP
The behavior of radiobuttons can be changed by defining new bindings for
individual widgets or by redefining the class bindings.
-
+.SH "SEE ALSO"
+checkbutton(n), labelframe(n), listbox(n), options(n), scale(n), ttk::radiobutton(n)
.SH KEYWORDS
radiobutton, widget
+'\" Local Variables:
+'\" mode: nroff
+'\" End:
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