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pressing a button on the mouse that controls the pointer cursor on the screen or pressing some special key on the keyboard.
Menus are inefficient when they have too many items, and so cascading menus are utilized, in which item selection opens up another menu adjacent to the item, allowing refinement of the selection.
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CS504 SHORT NOTES FOR MIDTERM
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Several layers of cascading menus can be used. The main menu can be visible to the user all the time, as a menu bar and submenus can be pulled down or across from it upon request.
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Menu bars are often placed at the top of the screen or at the top of each window. The alternative includes menu bars along one side of the screen, or even placed amongst the windows in the main ‘desktop’ area. Websites use a variety of menu bar locations, including top, bottom, and either side of the screen.
CS504 SHORT NOTES FOR MIDTERM
Alternatively, the main menu can be hidden and upon request, it will pop up on the screen. These pop-up menus are often used to present context-sensitive options, for example allowing one to examine the properties of particular on-screen objects.
In some systems, they are also used to access more global actions when the mouse is depressed over the screen background.
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The drop-down menus are pulled from the title at the top of the screen by moving the switch The mouse pointer is in the equal area of the title and the button is pressed. dropdown menus are similar, however, the menu appears automatically when the mouse pointer enters the address bar, without the user having to press the button.
Some listings expressly ask to leave. plural The top menus are displayed when a specific area of the screen, is marked with an icon is checked but remains so as long as the mouse button is pressed.
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Another way to choose the menu is to arrange the options in a circular fashion. The pointer appears in the center of the circle, and so there is the same distance to travel to any of the selections.
This has the advantage that it is easier to select items since they can each have a larger target area and that the selection time for each item is the same since the pointer is equidistant from them all.
However, these pie menus take up more screen space and are therefore less common in the interface. The major problems with menus, in general, are deciding what items to include and how to group those items.
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Including too many items makes menus too long or creates too many of them, whereas grouping causes problems in that item that relate to the same topic need to come under the same heading, yet many items could be grouped under more than one heading. In the drop-down menu, you need to select the menu label to reflect the function From menu items and items grouped by menu function.
These gatherings Stay consistent across apps so users can move their learning to new apps. List items in the list should be sorted by importance and frequency of use.
Appropriate features to avoid random selection are separate Wrong work with potentially disastrous consequences. Keyboard accelerator Menus often have keyboard accelerators, which are key combinations that have the same effect. Select a menu item.
This allows for more professional users who are familiar with the system. Manipulate objects without leaving the keyboard. This is often faster. direct object particle Accelerators for frequent use are often displayed next to menu items. got used to seeing.
