Class RadioButton

The RadioButton class is a radio button with a text label, radio buttons typically present the user with a "one of many" choice. In a group of radio buttons, only one radio button at a time can be checked; if the user selects another button, the previously selected button is switched off.

Hierarchy

Constructors

Properties

m_children: Widget[] = []
m_content: Widget
m_dom: HTMLElement
m_icon: Icon
m_mode: number = ...
m_parent: Widget
m_text: Text
Horizontal: 256 = 0x0100
IconMask: 240 = 0x00F0
LargeIcon: 32 = 0x0020
LargeMode: number = ...
SmallIcon: 16 = 0x0010
SmallMode: number = ...
Text: 1 = 0x0001
TextMask: 15 = 0x000F
TextMode: number = ...
ToolMode: number = ...
Vertical: 512 = 0x0200

Accessors

  • get blocked(): boolean
  • Returns true if events are blocked; otherwise returns false.

    Returns boolean

  • set blocked(blocked): void
  • If blocked is true, then events emitted by this event watcher will be blocked, meaning that emitting an event will not trigger any callback functions that are bound to it.

    Parameters

    • blocked: boolean

    Returns void

  • get checked(): boolean
  • This property is the same as toggled.

    Returns boolean

  • set checked(checked): void
  • Parameters

    • checked: boolean

    Returns void

  • get children(): readonly Widget[]
  • Returns the list of children.

    Returns readonly Widget[]

  • set css(style): void
  • Sets the style of this widget. See also id addClass.

    Parameters

    Returns void

  • get dom(): HTMLButtonElement
  • Returns the dom of this button.

    Returns HTMLButtonElement

  • get enabled(): boolean
  • Returns whether this widget or its parent chain is enabled or not. By default, the value of this property is true.

    Returns boolean

  • set enabled(enabled): void
  • Sets whether this widget is enabled or not. Disabling a widget implicitly disables all its children, it is not possible to explicitly enable a child widget while its parent widget remains disabled.

    Parameters

    • enabled: boolean

    Returns void

  • get group(): ButtonGroup
  • Returns the group that this button belongs to. If the button is not a member of any button group, this function returns undefined.

    Returns ButtonGroup

  • set group(group): void
  • Adds this button to the given button group.

    Parameters

    Returns void

  • get height(): number
  • Returns the height of this widget.

    Returns number

  • set height(height): void
  • Sets the height of this widget to the given height.

    Parameters

    • height: number

      The unit of height is px.

    Returns void

  • get id(): string
  • Returns the id of this widget.

    Returns string

  • set id(id): void
  • Set the id of this widget to the given id. The id is utilized to set the style of the widget. See also css

    Parameters

    • id: string

    Returns void

  • get image(): string
  • Returns the image shown on this button.

    Returns string

  • set image(icon): void
  • Sets the image shown on this button to the given icon.

    Parameters

    • icon: string

    Returns void

  • get left(): number
  • Returns the left coordinate of this widget within its parent widget.

    Returns number

  • set left(left): void
  • Sets the left coordinate of this widget within its parent widget.

    Parameters

    • left: number

      The unit of left is px.

    Returns void

  • get mode(): number
  • Returns the mode of this button, the default mode is TextMode.

    The image is shown on this button when in icon mode. The image's default size is Size(16, 16). When in large icon mode, the image's size is Size(32, 32).

    Returns number

  • set mode(mode): void
  • Sets the mode of the button to the given mode.

    Parameters

    • mode: number

    Returns void

  • get parent(): Widget
  • Returns the parent of this widget, or undefined if it does not have any parent widget.

    Returns Widget

  • set parent(parent): void
  • Sets the parent of the widget to the given parent. If the new parent widget is the old parent widget, this function does nothing.

    Parameters

    Returns void

  • get position(): Point
  • Returns the position of this widget within its parent widget.

    Returns Point

  • set position(position): void
  • Sets the position of this widget to the given position.

    Parameters

    • position: Point

      The unit of position is px.

    Returns void

  • get rect(): Rect
  • Returns the rect of this widget within the desktop.

    Returns Rect

  • get size(): Size
  • Returns the size of this widget.

    Returns Size

  • set size(size): void
  • Sets the size of this widget to the given size. If the size is Size(0, 0) will cause the widget to not appear on screen.

    Parameters

    • size: Size

      The unit of size is px.

    Returns void

  • get style(): CSSStyleDeclaration
  • Returns the style of this widget.

    Returns CSSStyleDeclaration

  • get text(): string
  • Returns the text shown on this button.

    Returns string

  • set text(text): void
  • Sets the text shown on this button to the given text.

    Parameters

    • text: string

    Returns void

  • get toggled(): boolean
  • Returns whether the button is checked or not.

    Returns boolean

  • set toggled(toggled): void
  • Sets whether the button is checked or not.

    Parameters

    • toggled: boolean

    Returns void

  • get tooltip(): string
  • Returns the tooltip of this widget. When the mouse hovers over the widget for a period of time(it can be set by Tooltip::WakeUpDelay), a message will automatically pop up, and it will disappear automatically when the mouse moves away. By default, the value of this property is an empty string.

    Returns string

  • set tooltip(tooltip): void
  • Sets the tooltip of this widget to the given tooltip.

    Parameters

    • tooltip: string

    Returns void

  • get top(): number
  • Returns the top coordinate of this widget within its parent widget.

    Returns number

  • set top(top): void
  • Sets the top coordinate of this widget to the given top.

    Parameters

    • top: number

      The unit of top is px.

    Returns void

  • get visible(): boolean
  • Returns whether this widget or its parent chain is visible or not. By default, the value of this property is true.

    Returns boolean

  • set visible(visible): void
  • Sets whether this widget is visible or not. If an ancestor widget is not visible, the widget won't become visible until all its ancestors are visible.

    Parameters

    • visible: boolean

    Returns void

  • get width(): number
  • Returns the width of this widget.

    Returns number

  • set width(width): void
  • Sets the width of this widget to the given width.

    Parameters

    • width: number

      The unit of width is px.

    Returns void

  • get sender(): EventWatcher
  • Returns the object that sent the event.

    Returns EventWatcher

Methods

  • Adds the attribute of this widget. The attribute is utilized to set the style. See also css

    Parameters

    • attr: string

    Returns void

  • Adds the class name of this widget. The class name is utilized to set the style. See also css. All widgets with the same class name use the same style.

    Parameters

    • className: string

    Returns void

  • Returns void

  • Adds a callback function that's going to be called when the event is emitted.

    Type Parameters

    Parameters

    • name: K
    • callback: ((...data) => void)
        • (...data): void
        • Parameters

          Returns void

    Returns void

  • Parameters

    • name: string
    • callback: ((...data) => void)
        • (...data): void
        • Parameters

          • Rest ...data: any[]

          Returns void

    Returns void

  • Clears all widgets in the list of children.

    Returns void

  • Closes this widget. This function is equivalent to setting this widget's parent to undefined. If the widget has no resources to free, call this function directly.

    Returns void

  • Delegates this event watcher to handle the given watcher's event named name.

    Type Parameters

    Parameters

    Returns void

  • Parameters

    Returns void

  • Destroys the widget, all the widget's children are destroyed first. The widget is destroyed when it's parent is destroyed. When the widget is destroyed, make sure to release all resources, such as timers, etc. Releases the resources in the protected function free(), and the system will call this function automatically when the parent widget or itself is destroyed. See also free.

    Returns void

  • Returns void

  • Emits an arbitrary set of arguments to the callback function which is bound to the event named name.

    Type Parameters

    Parameters

    Returns boolean

  • Parameters

    • name: string
    • Rest ...data: any[]

    Returns boolean

  • Frees the resources.See also destroy.

    Returns void

  • Returns whether this widget contains the attribute.

    Parameters

    • attr: string

    Returns boolean

  • Returns whether this widget contains the class name.

    Parameters

    • className: string

    Returns boolean

  • Hides the widget and its child widgets. This function is equivalent to setting the visible property to false.

    Returns void

  • Inserts the child widget at index in the list of children.

    Parameters

    Returns void

  • Raises this widget to the front of the parent widget's children. The display order of this widget is determined by the order in which they appear in the parent widget's children.

    Returns boolean

  • Removes the attribute of this widget.

    Parameters

    • attr: string

    Returns void

  • Removes the class name of this widget.

    Parameters

    • className: string

    Returns void

  • Sets whether the widget uses flex layout.

    Parameters

    Returns void

  • Shows the widget and its child widgets. This function is equivalent to setting the visible property to true.

    Returns void

  • If param attr is true, adds the attribute, otherwise removes the attribute.

    Parameters

    • attr: string
    • on: boolean

      true or false

    Returns void

  • If param on is true, adds the class name, otherwise removes the class name.

    Parameters

    • className: string
    • on: boolean

      true or false

    Returns void

  • Removes the specified watcher for the event named name.

    Type Parameters

    Parameters

    • name: K

    Returns void

  • Parameters

    • name: string

    Returns void

  • Returns void

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