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Glossary


accelerator
A key or sequence of keys (typically a modifier key and some other key) that provides a shortcut, immediately accessing a program function.

active window
The window that is currently selected to receive the input focus. Only one window can be active at a time. See also focus.

cascading Menu
A submenu that provides selections that amplify the parent selection on a Pulldown or Popup Menu.

CheckButton
A component used to select settings that are not mutually exclusive. The visual cue to the selection is frequently that the button is filled in or checked.

click
To press and release a mouse button. The term comes from the fact that pressing and releasing most mouse buttons makes a clicking sound.

client
A program written specifically for use with the X Window System. Clients create their own windows and know how to resize themselves.

CommandDialog
A DialogBox used for entering commands.

DialogBox
A secondary window that provides you with information or asks you to enter information.

double-click
To press and release a mouse button twice in rapid succession.

drag
To press and hold down a mouse button while moving the mouse on the desktop and thus the pointer on the screen. Dragging is typically used when selecting menus, moving and resizing windows, and transferring data.

drag and drop
A transfer mechanism where data is dragged from a source to a drop site using mouse motion.

drag icon
A graphic that is generated using pixmaps and is moved during a drag operation. The drag icon is composed of a source pixmap, a state cursor, and an operation cursor.

drag source
The object whose graphical representation is being dragged and whose data the user wishes to transfer.

drop site
An area of the screen on which the user can drop a drag icon.

ErrorDialog
A DialogBox that presents an error message.

explicit focus
A keyboard focus model that sends keyboard events to the window or component that was specified explicitly with a mouse button press or a keyboard event.

FileSelectionDialog
A DialogBox used for entering the name of a file for processing.

focus
A state of the system that indicates which component receives keyboard events. A component is said to have the focus if keyboard events are sent to that component.

focus policy
The model by which keyboard focus is moved among components. See also explicit focus, implicit focus.

font list
A list of fonts used as a resource specification for fontList resources.

font set
A group of fonts often representing the fonts needed to display text in the encoding of a particular locale.

home directory
The directory in which you are placed after you log in. Your home directory is where you keep all of your files. Enter cd to change to your home directory. Enter echo $HOME to view the path and name of your home directory.

I18N
See internationalization.

icon
A small graphical image used to represent a window. Windows can be turned into icons or minimized to save room or unclutter the workspace.

icon box
A window for organizing icons.

implicit focus
A keyboard focus model that sends keyboard events to the window or component that the mouse pointer is over. See also pointer focus.

InformationDialog
A DialogBox that is used to display an informational message.

input method
A layer of mapping between the keyboard keys (or combination of keys) that the user types and the text data that is passed to the application.

insertion cursor
The graphical symbol that provides the visual cue to the location of the insertion point in a Text component.

internationalization (I18N)
The process of generalizing programs or systems so that they can handle a variety of languages, character sets, and national customs.

keyboard focus
Indicates the window or component within a window that receives keyboard input. It is sometimes called the input focus.

List
A component that presents a list of items for selection.

locale
The international environment of an application program that defines the language-dependent behavior of the program at run time. An application derives the locale based on internal procedures and a set of implementation-defined values.

location cursor
A graphical symbol that marks the current location of the keyboard input focus for selection. Typically, this symbol is a box that surrounds the current object.

lower
To move a window to the bottom of the window stack on the workspace.

MainWindow
The component that organizes the contents of an application.

maximize
To enlarge a window to its maximum size.

maximize button
The button on the mwm title bar that is used to initiate the maximize function. The button contains a large square graphic.

Menu
A list of available selections from which a user chooses.

MenuBar
A rectangular area at the top of the client area of a window that contains the titles of the standard Pulldown Menus for that application.

MessageDialog
A DialogBox that presents a message to the user.

minimize (iconify)
To turn a window into an icon.

minimize button
The button on the mwm title bar that is used to initiate the minimize function. The button contains a small square graphic.

mnemonic
A single character (frequently the initial character) of a Menu selection. When the Menu is displayed and the user presses the key that corresponds to that character, the Menu selection is chosen.

modal
A DialogBox that requires a response before you can interact with other components in an application.

modeless
A DialogBox that does not limit your interaction with the rest of an application.

Option Menu
A Menu that is associated with an OptionButton. It presents a list of choices within a relatively small space.

PanedWindow
A component that allows you to adjust the relative size of its components.

pointer
The graphical image that appears on the workspace and represents the current location of a mouse or other pointing device.

pointer focus
A keyboard focus model that sends keyboard events to the window or component that the mouse pointer is over. See also implicit focus.

Popup Menu
A Menu that provides no visual cue to its presence, but simply pops up when a user performs a particular action. Popup Menus are associated with a particular area of the workspace, such as the client area of an application, and a user must memorize where these areas are.

posted
A state of a Menu where it remains in a visible state even though a mouse button is not being held down. See also spring-loaded.

press
To hold down a mouse button or a key.

primary window
A top-level window of an application. Primary windows can be minimized.

PromptDialog
A DialogBox that prompts the user for some input.

Pulldown Menu
A Menu that is pulled down from a client application's title bar.

PushButton
A graphic component that simulates a real-life PushButton. You use the mouse to push the button and start an action.

QuestionDialog
A DialogBox that asks the user to answer a question.

RadioButton
A graphic component that simulates the buttons on a real-life car radio. Each button represents a mutually exclusive selection. RadioButtons are typically used for setting states or modes.

resource
A variable that controls a single aspect of the appearance or behavior of an application or component.

restore
To return an icon or maximized window to its normal size.

root menu
The Menu associated with the root window.

root window
The window that covers the entire screen. The root window is the backdrop of your X environment. All windows and graphic objects appear stacked on the root window.

Sash
The component of a PanedWindow that allows you to adjust the relative size of adjacent panes.

Scale
A component that allows you to select a value from a continuous range of values.

ScrollBar
A graphical device used to change a user's view of the contents of a window. A ScrollBar consists of a slider, a trough, and scroll arrows. A user changes the view by sliding the slider up or down in the scroll area or by pressing one of the scroll arrows. These actions cause the view to scroll up or down in the window adjacent to the ScrollBar.

ScrolledWindow
A component that frames other components and provides ScrollBars as necessary to view the contents of the window.

secondary window
A child window of a primary window.

SelectionDialog
A DialogBox that allows you to make a selection from a list of choices.

server
The component of the X Window System that manages input and the visual display.

spring-loaded
A state of a Menu where it remains only as long as a mouse button is being held down. See also posted.

TearOff Menu
A Menu that remains posted until you cancel it.

Text
A component for entering and editing text.

ToggleButton
A button that has two states.

transient window
A window of short duration such as a DialogBox. The window is displayed for only a short time, usually just long enough to convey some information or get some operational directions.

WarningDialog
A DialogBox that presents a warning to the user.

widget
The technical term for user-interface components.

window
A division of a screen in which one of several programs being executing concurrently can display information.

window decorations
The frame and window-control buttons that surround windows managed by the Motif Window Manager.

window geometry
The position and size of a window.

window manager
A program that controls the size, placement, and operation of windows on the workspace. The window manager includes the functional window frames that surround each window object and may include a separate Menu for the workspace.

Window Menu
The Menu that appears when the Window Menu button is pressed. The Window Menu typically contains selections for restoring, moving, sizing, minimizing, maximizing, and closing the window.

Window Menu button
The graphical control button that appears at the left side of the title bar in the window frame. The button posts the Window Menu.

WorkingDialog
A DialogBox that informs the user that the application is busy performing a task.

X Window System
A network-based graphics windowing system.