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Field Controls


Description

Field controls are components that use internal navigation controls. Field controls should be navigation fields. The following text describes the field controls:

Sash
Used to set the boundary between two components. A Sash is usually a small square on the boundary between two components. The separated components are called Panes, and a group of Panes, Separators, and Sashes is called a PanedWindow.
Scale
Used to set or display a value in a range. A Scale is usually composed of a slider, moving within an element that indicates the size of the range, and a Label that indicates the current value. The position of the slider indicates the value relative to the range. The slider is moved directly by using the mouse pointer or by using the arrow keys. A Scale can also have buttons with arrow graphics for moving the slider with the mouse.
ScrollBar
Used to scroll the visible area of a component. A ScrollBar is usually composed of a slider, moving within an element that indicates the full size of the component, and buttons with arrow graphics for moving the slider with the mouse. The slider indicates the relative position and size of the visible area of the component. The slider is moved directly by using the mouse pointer or by using the arrow keys.
List
Used for selecting elements from a list of elements. A List can allow multiple items to be selected or can be constrained to allow only one item to be selected at a time. A List is usually composed of a vertical list of items. A List can also have both horizontal and vertical ScrollBars for scrolling the visible portion of the list of items.
Text
Used for displaying, entering, and modifying text. There are single-line and multiple-line variants. Multiline Text can have both horizontal and vertical ScrollBars for scrolling the visible portion of the text area.
Canvas
Used for displaying, entering, and modifying graphics. A Canvas can have both horizontal and vertical ScrollBars for scrolling the visible portion of the drawing area.

Navigation

Field controls have navigation that is specific to the component. See the reference pages for each field control for information about its navigation.

Other Operations

Field controls have operations that are specific to the component. See the reference pages for each field control for information about its operations.

Related Information

For more information, see the reference pages for each field control.