In graphical computing, window decorations are provided by window managers to improve the usability of a multi-windowed desktop. They typically consist of a title bar along the top of each window and a minimal border around the other three sides, although this can often be varied upon if the user wishes.[1] On Windows this is called "nonclient area".[2]
In the predominant layout for modern window decorations, the top bar contains a title and buttons which perform windowing-related actions such as minimizing, maximizing and closing . The border exists primarily to allow the user to resize the window.
Window decorations are important in developing the look and feel of a desktop environment. However, modern systems allow for great customization of the colors, styles and animation effects used. User modifications some times cross between the appearance of different desktop environments.
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A window border is a window decoration component provided by some window managers, that appears around the active window. Some window managers may also display a border around background windows.
Typically window borders can be used to provide window motion enabling the window to be moved or resized by using a drag action.
Some window managers provide useless borders which are purely for decorative purposes and offer no window motion facility. These window managers do not allow windows to be resized by using a drag action on the border.
A titlebar is a window decoration component provided by some window managers which appears at the top of each window. The titlebar is typically used to display the name of the application, or the name of the open document, and may provide title bar buttons for minimizing, maximizing, closing or rolling up of application windows.
Typically titlebars can be used to provide window motion enabling the window to be moved around the screen by using a drag action.
Some window managers provide useless titlebars which are purely for decorative purposes and offer no window motion facility. These window managers do not allow windows to be moved around the screen by using a drag action on the titlebar.
Title bar buttons are included in the titlebar of some window managers, and provide the facility to minimize, maximize, rollup or close application windows. Some window managers may display the titlebar buttons in the taskbar or task panel, rather than in a titlebar.
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