diff options
Diffstat (limited to 'doc/radiobutton.n')
| -rw-r--r-- | doc/radiobutton.n | 63 |
1 files changed, 33 insertions, 30 deletions
diff --git a/doc/radiobutton.n b/doc/radiobutton.n index 565931c..c79aa23 100644 --- a/doc/radiobutton.n +++ b/doc/radiobutton.n @@ -4,13 +4,13 @@ '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" +'\" .TH radiobutton n 4.4 Tk "Tk Built-In Commands" .so man.macros .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 @@ -38,16 +38,16 @@ 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. @@ -59,10 +59,10 @@ 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 +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 +the Align-Left, Align-Right, and Center radiobuttons on the toolbar of a word-processor, for example. .OP \-overrelief overRelief OverRelief Specifies an alternative relief for the radiobutton, to be used when the @@ -72,34 +72,30 @@ 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. .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 -.VS 8.5 -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. -.VE 8.5 .OP \-tristatevalue tristateValue Value -.VS 8.5 -Specifies the value that causes the radiobutton to display the multi-value +Specifies the value that causes the radiobutton to display the multi-value selection, also known as the tri-state mode. Defaults to .QW "" . -.VE 8.5 .OP \-value value Value Specifies value to store in the button's associated variable whenever this button is selected. @@ -133,11 +129,11 @@ A radiobutton is a widget that displays a textual string, bitmap or image and a diamond or circle called an \fIindicator\fR. 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 @@ -160,12 +156,10 @@ 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. -.VS 8.5 -If the variable's value matches the \fBtristateValue\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 +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.) -.VE 8.5 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 @@ -190,12 +184,14 @@ determine the exact behavior of the command. The following 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 @@ -210,12 +206,14 @@ this case the command returns an empty string. 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 @@ -223,6 +221,7 @@ state as when the command was invoked. 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. @@ -231,6 +230,7 @@ empty string if there is no command associated with the radiobutton. 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 @@ -261,3 +261,6 @@ individual widgets or by redefining the class bindings. checkbutton(n), labelframe(n), listbox(n), options(n), scale(n), ttk::radiobutton(n) .SH KEYWORDS radiobutton, widget +'\" Local Variables: +'\" mode: nroff +'\" End: |