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In his book The Humane Interface, Jef Raskin defines modality as follows: "An human-machine interface is modal with respect to a given gesture when (1) the current state of the interface is not the user's locus of attention and (2) the interface will execute one among several different responses to the gesture, depending on the system's current state."
In user interface design, a modal window is a graphical control element subordinate to an application's main window.. A modal window creates a mode that disables user interaction with the main window but keeps it visible, with the modal window as a child window in front of it.
For example, modeling techniques can describe interaction objects, tasks, and lower-level dialogs in user interfaces. Using models as part of user interface development can help capture user requirements, avoid premature commitment to specific layouts and widgets, and make the relationships between an interface's different parts and their roles ...
Web browsers are an example of these types of windows. Text terminal windows present a character-based, command-driven text user interfaces within the overall graphical interface. MS-DOS and Unix consoles are examples of these types of windows. Terminal windows often conform to the hotkey and display conventions of CRT-based terminals that ...
Interaction design patterns are design patterns applied in the context human–computer interaction, describing common designs for graphical user interfaces. A design pattern is a formal way of documenting a solution to a common design problem.
A graphical user interface, or GUI [a], is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation. In many applications, GUIs are used instead of text-based UIs , which are based on typed command labels or text navigation.
A view container and a view component can be associated with events, that can represent users' interactions or system-generated occurrences. For example, an event for selecting one or more items from a list or for submitting inputs from a form. The effect of an event is represented by an interaction flow connection. The interaction flow ...
Diagram of interactions in MVC's Smalltalk-80 interpretation. Model–view–controller (MVC) is a software design pattern [1] commonly used for developing user interfaces that divides the related program logic into three interconnected elements.