arrowscrollbox

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A box which provides scroll arrows along its edges for scrolling through the contents of the box. The user only needs to hover the mouse over the arrows to scroll the box. This element is typically used for large popup menus.

Hovering the mouse over one of the (active) arrows triggers a scroll event.

More information is available in the XUL Tutorial.

Attributes: clicktoscroll, disabled, smoothscroll, tabindex

Properties: disabled, scrollBoxObject, scrollIncrement, smoothScroll, tabIndex

Methods: ensureElementIsVisible, scrollByIndex, scrollByPixels

Examples

<arrowscrollbox orient="vertical" flex="1">
  <button label="Red"/>
  <button label="Blue"/>
  <button label="Green"/>
  <button label="Yellow"/>
  <button label="Orange"/>
  <button label="Silver"/>
  <button label="Lavender"/>
  <button label="Gold"/>
  <button label="Turquoise"/>
  <button label="Peach"/>
  <button label="Maroon"/>
  <button label="Black"/>
</arrowscrollbox>

Attributes

Inherited from XUL element
align, allowevents, allownegativeassertions, class, coalesceduplicatearcs, collapsed, container, containment, context, contextmenu, datasources, dir, empty, equalsize, flags, flex, height, hidden, id, insertafter, insertbefore, left, maxheight, maxwidth, menu, minheight, minwidth, mousethrough, observes, ordinal, orient, pack, persist, popup, position, preference-editable, querytype, ref, removeelement, sortDirection, sortResource, sortResource2, statustext, style, template, tooltip, tooltiptext, top, uri, wait-cursor, width

disabled: Type: boolean; Indicates whether the element is disabled or not. If this attribute is set to true the element is disabled. Disabled elements are usually drawn with grayed-out text. If the element is disabled, it does not respond to user actions, it cannot be focused, and the command event will not fire.; Visible controls have a disabled property which, except for menus and menuitems, is normally preferred to use of the attribute, as it may need to update additional state.

smoothscroll: Type: boolean; true initially enables smooth scrolling for the corresponding arrowscrollbox, false disables it. Currently, smooth scrolling supports horizontal arrowscrollboxes only.

tabindex: Type: integer; The tab order of the element. The tab order is the order in which the focus is moved when the user presses the "tab" key. Elements with a higher tabindex are later in the tab sequence.

Properties

Inherited Properties
align, , allowEvents, , boxObject, builder, , , , className, , , , , collapsed, contextMenu, controllers, database, datasources, dir, , , flex, height, hidden, id, , , left, , maxHeight, maxWidth, menu, minHeight, minWidth, , , , , , , observes, ordinal, orient, , pack, , persist, , , , ref, resource, , , , , statusText, style, ,, tooltip, tooltipText, top, width

disabled: Type: boolean; Gets and sets the value of the disabled attribute.

scrollBoxObject: Type: nsIScrollBoxObject; The scroll box object implements the nsIScrollBoxObject interface, which may be used to retrieve and adjust the scroll position of the list box.

scrollIncrement: Type: integer; A read only property that lets you retrieve the number of pixels by which scrolling will occur when the arrowscrollbox is clicked.

smoothScroll: Type: boolean; Can be set to enable or disable smooth scrolling for the corresponding arrowscrollbox. If not set explicitly, it will fall back to the smoothscroll attribute and then to the toolkit.scrollbox.smoothScroll preference. Currently, smooth scrolling supports horizontal arrowscrollboxes only.

tabIndex: Type: integer; Gets and sets the value of the tabindex attribute.

Methods

ensureElementIsVisible( element ): Return type: no return value; If the specified element is not currently visible to the user, the displayed items are scrolled so that it is. If the item is already visible, no scrolling occurs.

scrollByIndex( lines ): Return type: no return value; Scrolls the contents of the arrowscrollbox by a certain number of lines. A line is a single element. Use a positive value as the lines argument to scroll forward that many lines, or a negative value to scroll backward that many lines.

scrollByPixels( pixels ): Return type: no return value; Scrolls the contents of the arrowscrollbox by a certain number of pixels. Use a positive value as the pixels argument to scroll forward that many pixels, or a negative value to scroll backward that many pixels.

Inherited Methods
addEventListener(), appendChild(), blur, click, cloneNode(), compareDocumentPosition, dispatchEvent(), doCommand, focus, getAttribute(), getAttributeNode(), getAttributeNodeNS(), getAttributeNS(), getBoundingClientRect(), getClientRects(), getElementsByAttribute, getElementsByAttributeNS, getElementsByClassName(), getElementsByTagName(), getElementsByTagNameNS(), getFeature, getUserData, hasAttribute(), hasAttributeNS(), hasAttributes(), hasChildNodes(), insertBefore(), isDefaultNamespace(), isEqualNode, isSameNode, isSupported(), lookupNamespaceURI, lookupPrefix, normalize(), querySelector(), querySelectorAll(), removeAttribute(), removeAttributeNode(), removeAttributeNS(), removeChild(), removeEventListener(), replaceChild(), setAttribute(), setAttributeNode(), setAttributeNodeNS(), setAttributeNS(), setUserData

TBD

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