Name of a (global) variable which is changed if the state
of the button changes. If the variable does not exist,
it is created and set to the lower limit. If it does
exist, the widget is set accordingly.
If the value of variable is set externaly
(e.g. via the set command), the value of the widget is
adapted accordingly and command executed.
type: string default: ""
-command
Tcl command which is executed if the item is selected,
variable set externaly or setValue called.
Before evaluating every percent (%) and its
following character is substituted in command:
%%
by %,
%v
by value of the scale widget
%w
by the widget-ID
type: string default: ""
-lower
lower limit
type: double default: 0
-upper
upper limit
type: double default: 0
-value
acual value
type: double default: 0
-stepInc
step increment
type: double default: 1
-pageInc
page increment
type: double default: 10
-digits
Number of decimal places which are displayed.
type: integer default: 1
-drawValue
Whether only the value of the scale should be drawn.
type: boolean default: true
-valuePos
Position where the value of the scale is drawn.
type: left, right, top, bottom default: ???
-updatePolicy
How often a change of the value is reported (via
change of variable or execution of command.
type: continuous, discontinuous, delayed default: continuous
-orientation
Orientation of the scale widgets.
type: horizontal, vertical default: vertical
DESCRIPTION
WIDGET COMMANDS
The scale command creates a new Tcl command
whose name is an ID returned on widget creation. This command may be
used to invoke various operations on the widget. It has the following
general form:
ID option ?arg arg ...?
option and arg determine the exact behavior of the
command. The following commands are possible for scale widgets:
IDgetValue
Returns current value.
IDsetValuevalue
Sets the state of the widget according to value,
changes variable and executes command.