Tab (GUI)
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In graphical user interfaces, a tab is a navigational widget for switching between sets of controls or documents. It is traditionally designed as a text label within a rectangular box with its top borders rounded. Activating a tab (usually by a mouse click) makes its associated content visible and the tab itself usually becomes highlighted to distinguish it from other inactive tabs. Only one tab can be active at a time. Use of tabs to display non-static content gives rise to tabbed document interface, e.g. used in web browsers (such as Mozilla Firefox) and many text editors (such as SciTE).
GUI tabs are modeled after traditional card tabs inserted in paper files or card indexes and thus they are often employed to give the user interface a more "natural" look.
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[edit] Usage
Tabs in modern GUIs were introduced by IBM Common User Access.[citation needed] They became widely used to make option-laden dialog boxes easier to understand and navigate. They were designed to group similar or related options into one tab pane. Later, some applications based their main document switching mechanism on tabs, using a tabbed document interface.
[edit] Browsers
In the last few years, tabbed document interfaces have also become popular in web browsers, where they are used to switch between different webpages without having to switch top-level windows. NetCaptor introduced the tabbed browsing interface as we know it today in 1997. It was followed by a number of others like IBrowse in 1999, MultiZilla (an extension for the Mozilla Application Suite[1]) and Opera in 2000 (with the release of version 4), Mozilla in 2001, Konqueror 3.1 in January 2003, and Safari in 2003. With the release of Internet Explorer 7 in 2006, all major web browsers featured a tabbed interface.
Numerous special functions in association with browser tabs have emerged since then, for example the ability to re-order tabs (e.g. in Firefox, Google Chrome, Safari 3, Opera, Konqueror, and Internet Explorer 8), and to bookmark all of the webpages opened in tab panes in a given window in a group or bookmark folder (as well as the ability to reopen all of them at the same time). Links can most often be opened in several modes, using different user interface options and commands:
- in a new main window
- in the same main window and tab panel
- in the same main window and a new tab panel, which is instantly activated
- in the same main window and a new tab panel, which remains in the background until the user switches to it.
There are minor usability issues such as whether a new tab opens in the end of the tab list or next to its "parent". For example Internet Explorer marks tab families with different colours.
[edit] Patent dispute
Adobe Systems holds patents in the United States and Europe on certain uses of GUI tabs[2], which are widely held to be trivial patents. Some argue that there was clear prior art, in both GUI and text-mode user interfaces.
Adobe used these patents to sue Macromedia Inc. for employing tabs in its Macromedia Flash product. Adobe won the case and $2.8 million in damages. However, Macromedia initiated a countersuit which ended in a $4.9 million ruling against Adobe. The suits were settled on undisclosed terms.[3] In 2005, Adobe ended further dispute between the two companies when it bought Macromedia for roughly $3.4 billion.
On April 18, 2007 the intellectual property agency IP Innovation LLC and its parent Technology Licensing Corporation filed a lawsuit against Apple Inc. regarding its infringement upon a US Patent originally filed by Xerox researchers in 1987.[4][5]
[edit] References
- ^ van Rantwijk, HJ. "mozdev.org - multizilla: histrory". http://multizilla.mozdev.org/history.html. Retrieved on 2009-04-15.
- ^ U.S. Patent 5,546,528 for a "Method of displaying multiple sets of information in the same area of a computer screen"
- ^ "Adobe Wins Patent Trial Against Macromedia". DMX Zone. May 9, 2002. http://www.dmxzone.com/ShowDetail.asp?NewsId=3321. Retrieved on 2007-05-09.
- ^ U.S. Patent 5,072,412 for a "User Interface with Multiple Workspaces for Sharing Display System Objects"
- ^ "Apple's interface held to the fire in dubious suit". Apple Insider. April 21, 2007. http://www.appleinsider.com/articles/07/04/21/apples_interface_held_to_the_fire_in_dubious_suit.html. Retrieved on 2007-04-24.
[edit] See also
[edit] External links
- Navigation and Module tabs at the Yahoo! Design Pattern Library.
- Yahoo! UI Library TabView
- ASP.NET AJAX Control Toolkit
- Scriptaculous AJAX tabs
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