ScrollBar

继承： Range < Control < CanvasItem < Node < Object

派生： HScrollBar, VScrollBar

Abstract base class for scrollbars.

描述

Abstract base class for scrollbars, typically used to navigate through content that extends beyond the visible area of a control. Scrollbars are Range-based controls.

属性

主题属性

信号

scrolling ( )

Emitted when the scrollbar is being scrolled.

属性说明

float custom_step = -1.0

• void set_custom_step ( value: float )
• float get_custom_step ( )

Overrides the step used when clicking increment and decrement buttons or when using arrow keys when the ScrollBar is focused.

主题属性说明

Texture2D decrement

Icon used as a button to scroll the ScrollBar left/up. Supports custom step using the custom_step property.

Texture2D decrement_highlight

Displayed when the mouse cursor hovers over the decrement button.

Texture2D decrement_pressed

Displayed when the decrement button is being pressed.

Texture2D increment

Icon used as a button to scroll the ScrollBar right/down. Supports custom step using the custom_step property.

Texture2D increment_highlight

Displayed when the mouse cursor hovers over the increment button.

Texture2D increment_pressed

Displayed when the increment button is being pressed.

StyleBox grabber

Used as texture for the grabber, the draggable element representing current scroll.

StyleBox grabber_highlight

Used when the mouse hovers over the grabber.

StyleBox grabber_pressed

Used when the grabber is being dragged.

StyleBox scroll

Used as background of this ScrollBar.

StyleBox scroll_focus

Used as background when the ScrollBar has the GUI focus.