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The GNOME and KDE desktop environments included with PC-BSD provide accessibility features to assist users with vision and mobility impairments. This section provides an overview of these features and references to additional accessibility information.
GNOME Accessibility Tools
GNOME3 provides a "Universal Access" utility for configuring the desktop for accessibility. To open this utility, go to Applications → Settings → Universal Access. This will open the screen shown in Figure 9.10a.
The “Seeing” tab shown in this screen has options for assisting users with low vision.
The “Hearing” tab can be used to enable visual alerts, either to the window title of the current window or the entire screen. It provides a “Test flash” button for testing the settings.
The “Typing” tab, shown in Figure 9.10b, is used to enable features to assist users with mobility impairments.
More information about each of the options provided by Universal Access can be found.
Orca Screen Reader
If you enable the “Screen Reader” in the “Seeing” tab, you can open the reader from Applications → Utilities → Orca Screen Reader. In the example shown in Figure 9.10c, the user has clicked the "Preferences" button.
You should review the configurable options in each of the tabs to determine which ones best suit your needs. For more information about each of these options and additional tips for using Orca, refer to the.
KDE Accessibility Tools
To install the KDE accessibility tools, make sure that the "KDE-Accessibility" box is checked (it is by default) when selecting to install KDE either during installation or afterwards using Control Panel → Package Manager → Desktops.The KDE-Accessibility component installs the following software:
- : a speech synthesizer for English and other languages. DOES NOT WORK, NEEDS MORE TESTING
- Applications → Utilities → Screen Magnifier or you can type kmag from the command line. Drag the magnifier window over the text you wish to magnify or click its "Settings" button to view the shortcuts for its various modes. Press F1 while the application is open to access the Kmagnifier Handbook. : a screen magnifier. In KDE, this application is in
- Applications → Utilities → Automatic Mouse Click or type kmousetool from the command line. In the screen shown in Figure 9.10d, check the settings you wish to use, click the "Apply" button, then click the "Start" button. If you quit this screen, it will be added to the system tray and will continue to run until you launch its icon and click the "Stop" button. A PDF of the KMouseTool Handbook can be downloaded from the . : clicks the mouse whenever the mouse cursor pauses briefly. It can also drag the mouse, although this takes a bit more practice. To start this utility in KDE, click
- Applications → Utilities → Speech Synthesizer Frontend or type kmouth from the command line. The first time you run this application, a configuration wizard will prompt you to set the command to use for speaking texts, the character encoding, and a language phrase book. DOES NOT WORK, NEEDS MORE TESTING : enables persons that cannot speak to speak through their computer. It keeps a history of spoken sentences from which the user can select to be re-spoken. To start this program, click
- : speech synthesis interface. DOES NOT WORK, NEEDS MORE TESTING
More information about KDE-Accessibility can be found in the.