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xfce:xfce4-settings:accessibility [2012/01/05 22:12] – created nickxfce:xfce4-settings:accessibility [2024/12/11 12:30] (current) – kevinbowen
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-====== Accessibility ======+~~NOTOC~~ 
 +{{ :xfce:xfce4-settings.accessibility.png?nolink|}} 
 +====== xfce4-settings - Accessibility ======
  
-<figure ""> +  * **[[#Assistive Technologies|Assistive Technologies]]** 
-{{:xfce:xfce4-settings:xfce4-settings-accessibility-at.png?nolink&|}}+  * **[[#Keyboard|Keyboard]]** 
 +      * **[[#Sticky Keys|Sticky Keys]]** 
 +      * **[[#Slow Keys|Slow Keys]]** 
 +      * **[[#Bounce Keys|Bounce Keys]]** 
 +  * **[[#Mouse|Mouse]]** 
 + 
 +---- 
 + 
 +===== Assistive Technologies ===== 
 + 
 +Xfce provides several customisable keyboard and mouse accessibility options.  
 + 
 +<figure "Accessibility Preferences: Assistive Technologies Tab"> 
 +{{:xfce:xfce4-settings:xfce4-settings-accessibility-at.png|Accessibility Preferences: Assistive Technologies Tab}}
 </figure> </figure>
  
 +? Enable Assistive Technologies
 +! When {gui>Assistive Technologies} is enabled, the Xfce desktop is enabled, xfce4-session will load the required modules so the toolkit (Gtk) can communicate with [[http://live.gnome.org/Orca|Orca]], the suite of utilities for the visually impaired.
  
-<figure ""> +---- 
-{{:xfce:xfce4-settings:xfce4-settings-accessibility-keyboard.png?nolink&|}}+ 
 +===== Keyboard ===== 
 + 
 +<figure "Accessibility Preferences: Keyboard Accessibility Tab"> 
 +{{:xfce:xfce4-settings:xfce4-settings-accessibility-keyboard.png|Accessibility Preferences: Keyboard Accessibility Tab}}
 </figure> </figure>
  
 +These settings are here to help people with certain disabilities get the most out of their keyboards.
  
-<figure ""> +=== Sticky Keys === 
-{{:xfce:xfce4-settings:xfce4-settings-accessibility-mouse.png?nolink&|}}+ 
 +When Sticky Keys are active, you can press key combinations in sequence instead of at the same time. For instance, 
 +{key>Ctrl} followed by {key>C} (instead of {key>Ctrl-C}) will copy selected text. 
 + 
 +=== Slow Keys === 
 + 
 +When Slow Keys are active, the keyboard won't register a keystroke until you hold the key down for a certain length of time. The default time is 500 milliseconds, or half a second. You can move the slider with the mouse to adjust the length of time. 
 + 
 +=== Bounce Keys === 
 + 
 +When Bounce Keys are active, the keyboard won't accept a keystroke until there has been a certain interval of time since the previous keystroke. The default interval is 500 milliseconds. You can move the slider with the mouse to adjust the length of time. 
 + 
 + [[|Back To Top]]  
 + 
 +---- 
 + 
 +===== Mouse ===== 
 + 
 +<figure "Accessibility Preferences: Mouse Accessibility Tab"> 
 +{{:xfce:xfce4-settings:xfce4-settings-accessibility-mouse.png|Accessibility Preferences: Mouse Accessibility Tab}}
 </figure> </figure>
 +
 +Mouse Emulation lets you move the mouse pointer with the arrow keys on the numeric keypad. As seen in the above screenshot, the values that can be set are:
 +
 +  * Acceleration delay (in milliseconds)
 +  * Repeat interval (in milliseconds)
 +  * Acceleration time (in milliseconds)
 +  * Maximum speed (in pixels per second)
 +  * Acceleration profile
 +
 +(Acceleration profiles are mathematical formulas. [[http://www.x.org/wiki/Development/Documentation/PointerAcceleration#Acceleration_profiles_.28for_the_inclined_programmer.29|The X.org wiki]] says: "Acceleration profiles translate device velocity into an acceleration to be imposed on the pointer.")
 +
 +The Mouse Emulation module is included primarily to help people who cannot use a standard mouse. There are no optimal settings; you will need to experiment to find which settings work the best for you.
 +
 +[[|Back To Top]]
 +----
 +[[:start|Back to main Xfce documentation page]]
 +
 +[[:xfce:xfce4-settings:start:|Return to xfce4-settings Main Documentation Page]]