Class scale-button - cl-cffi-gtk4 API documentation

Package: gtk

Class gtk:scale-button

Superclasses

gtk:widget, gobject:initially-unowned, gtk:accessible-range, gtk:accessible, gtk:buildable, gtk:constraint-target, gtk:orientable, gobject:object, common-lisp:standard-object, common-lisp:t

Documented Subclasses

gtk:volume-button

Direct Slots

active

The active property of type :boolean (Read / Write)
Whether the scale button should be pressed in.
Default value: false

adjustment

The adjustment property of type gtk:adjustment (Read / Write)
The adjustment that contains the current value of the scale button.

has-frame

The has-frame property of type gboolean (Read / Write)
Whether the scale button has a frame. Since 4.14
Default value: false

icons

The icons property of type g:strv-t (Read / Write)
The names of the icons to be used by the scale button. The first item in the list will be used in the button when the current value is the lowest value, the second item for the highest value. All the subsequent icons will be used for all the other values, spread evenly over the range of values. If there is only one icon name in the icons list, it will be used for all the values. If only two icon names are in the icons array, the first one will be used for the bottom 50% of the scale, and the second one for the top 50%. It is recommended to use at least 3 icons so that the scale button reflects the current value of the scale better for the users.

value

The value property of type :double (Read / Write)
The value of the scale.
Default value: 0.0d0

Details

The gtk:scale-button widget provides a button which pops up a scale widget. This kind of widget is commonly used for volume controls in multimedia applications.

CSS nodes

The gtk:scale-button implementation has a single CSS node with name scalebutton. To differentiate it from a plain gtk:button widget, it gets the .scale style class.

Signal Details

The "popdown" signal

lambda (button)    :action

button: The gtk:scale-button widget which received the signal.

The signal is a keybinding signal which gets emitted to popdown the scale widget. The default binding for this signal is the Escape key.

The "popup" signal

lambda (button)    :action

button: The gtk:scale-button widget which received the signal.

The signal is a keybinding signal which gets emitted to popup the scale widget. The default bindings for this signal are the Space, Enter and Return keys.

The "value-changed" signal

lambda (button value)    :run-last

button: The gtk:scale-button widget which received the signal.
value: The double float with the new value.

The signal is emitted when the value field has changed.

Returned by

gtk:scale-button-new

Slot Access Functions

gtk:scale-button-active

gtk:scale-button-adjustment

gtk:scale-button-has-frame

gtk:scale-button-icons

gtk:scale-button-value

Inherited Slot Access Functions

2024-5-7