diff options
Diffstat (limited to 'doc/checkbutton.n')
-rw-r--r-- | doc/checkbutton.n | 63 |
1 files changed, 31 insertions, 32 deletions
diff --git a/doc/checkbutton.n b/doc/checkbutton.n index 1e05c96..4d06c68 100644 --- a/doc/checkbutton.n +++ b/doc/checkbutton.n @@ -38,7 +38,7 @@ 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 \-offrelief offRelief OffRelief @@ -79,34 +79,30 @@ whenever the widget is selected. If specified as an empty string then no special color is used for displaying when the widget is selected. .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 checkbutton 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 checkbutton: \fBnormal\fR, \fBactive\fR, or \fBdisabled\fR. In normal state the checkbutton 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 checkbutton. In active state -the checkbutton is displayed using the \fBactiveForeground\fR and -\fBactiveBackground\fR options. Disabled state means that the checkbutton +the checkbutton is displayed using the \fB\-activeforeground\fR and +\fB\-activebackground\fR options. Disabled state means that the checkbutton 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 checkbutton is displayed. +In this state the \fB\-disabledforeground\fR and +\fB\-background\fR options determine how the checkbutton 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 checkbutton is in tri-state mode. -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 checkbutton to display the multi-value +Specifies the value that causes the checkbutton to display the multi-value selection, also known as the tri-state mode. Defaults to .QW "" . -.VE 8.5 .OP \-variable variable Variable Specifies the name of a global variable to set to indicate whether or not this button is selected. Defaults to the name of the @@ -138,13 +134,13 @@ that displays a textual string, bitmap or image and a square 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. +\fB\-underline\fR option. A checkbutton has all of the behavior of a simple button, including the following: it can display itself in either of three different -ways, according to the \fBstate\fR option; +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 @@ -155,17 +151,16 @@ If a checkbutton is selected then the indicator is normally drawn with a selected appearance, and a Tcl variable associated with the checkbutton is set to a particular value (normally 1). -.VS 8.5 The indicator is drawn with a check mark inside. If the checkbutton is not selected, then the indicator is drawn with a deselected appearance, and the associated variable is set to a different value (typically 0). -The indicator is drawn without a check mark inside. In the special case -where the variable (if specified) has a value that matches the tristatevalue, -the indicator is drawn with a tri-state appearance and is in the tri-state -mode indicating mixed or multiple values. (This is used when the check +The indicator is drawn without a check mark inside. In the special case +where the variable (if specified) has a value that matches the tristatevalue, +the indicator is drawn with a tri-state appearance and is in the tri-state +mode indicating mixed or multiple values. (This is used when the check box represents the state of multiple items.) -The indicator is drawn in a platform dependent manner. Under Unix and +The indicator is drawn in a platform dependent manner. Under Unix and Windows, the background interior of the box is .QW grayed . Under Mac, the indicator is drawn with a dash mark inside. @@ -190,7 +185,6 @@ changes to and from the button's and .QW tristate values. -.VE 8.5 .SH "WIDGET COMMAND" .PP The \fBcheckbutton\fR command creates a new Tcl command whose @@ -270,7 +264,8 @@ invoked, if there is one). .IP [3] When a checkbutton has the input focus, the space key causes the checkbutton to be invoked. Under Windows, there are additional key bindings; plus -(+) and equal (=) select the button, and minus (\-) deselects the button. +(\fB+\fR) and equal (\fB=\fR) select the button, and minus (\fB\-\fR) +deselects the button. .PP If the checkbutton's state is \fBdisabled\fR then none of the above actions occur: the checkbutton is completely non-responsive. @@ -278,17 +273,21 @@ actions occur: the checkbutton is completely non-responsive. The behavior of checkbuttons can be changed by defining new bindings for individual widgets or by redefining the class bindings. .SH EXAMPLE +.PP This example shows a group of uncoupled checkbuttons. .PP .CS - labelframe .lbl \-text "Steps:" - \fBcheckbutton\fR .c1 \-text Lights \-variable lights - \fBcheckbutton\fR .c2 \-text Cameras \-variable cameras - \fBcheckbutton\fR .c3 \-text Action! \-variable action - pack .c1 .c2 .c3 \-in .lbl - pack .lbl +labelframe .lbl \-text "Steps:" +\fBcheckbutton\fR .c1 \-text Lights \-variable lights +\fBcheckbutton\fR .c2 \-text Cameras \-variable cameras +\fBcheckbutton\fR .c3 \-text Action! \-variable action +pack .c1 .c2 .c3 \-in .lbl +pack .lbl .CE .SH "SEE ALSO" button(n), options(n), radiobutton(n), ttk::checkbutton(n) .SH KEYWORDS checkbutton, widget +'\" Local Variables: +'\" mode: nroff +'\" End: |