2.3 Using the GNOME Magnifier

Zoom is the default magnifier that is included in the GNOME desktop for Oracle Linux 7.

To start the magnifier from the GNOME Classic desktop:

  1. From the Applications menu, select System Tools, and then select Settings.

  2. In the All Settings window, click the Universal Access icon to open the Universal Access settings panel.

  3. In the Seeing section, toggle the Zoom setting to ON.

    This action opens the Zoom Options window, where you can customize settings for the tool.

To start the magnifier from the GNOME desktop:

  1. In the top bar, click Activities to open the Activities overview.

  2. In the Type to search... field, start typing "universal access", then click the Universal Access icon to open the Universal Access settings panel.

  3. Click the Zoom icon.

    This action opens the Zoom Options window, where you can customize settings for the tool.

Note

You can also enable Zoom for a login screen by clicking the Accessibility menu icon located on the desktop.

Customizing Options for Zoom

You can customize the following options in the Zoom Options window:

  • Magnification: Enables you to increase or decrease the magnification size by clicking the plus (+) or minus (-) signs.

  • Magnifier Position: Enables you to specify where the magnifier is positioned on the desktop. For this option, you can select from the following two options: Follow mouse cursor or Screen part.

    The Follow mouse cursor option enables you to specify that the magnifier's focus follow the cursor wherever it is positioned.

    The Screen part option enables you to specify on which portion of the screen the magnifier is displayed. Settings include the following: top half, bottom half, right half, and left half.

    The Screen part option also includes the following settings that you can customize:

    • Magnifier extends outside of screen: Controls how the magnifier scrolls as it approaches an edge of the desktop. When selected, the contents within the magnifier continue to scroll as the mouse approaches an edge of the desktop. When deselected, the contents cease to scroll as the mouse approaches an edge of the desktop; only the mouse continues to move.

    • Keep magnifier cursor centered: Enables the cursor to remain centered, regardless of the location of the magnifier's contents.

    • Magnifier cursor pushes content around Enables the cursor to move the contents of the magnifier to another location on the desktop.

    • Magnifier cursor moves with the contents: Enables the cursor to move with the contents of the magnifier.

    Note that you can only specify one of these cursor options at any given time.

For more information, see the GNOME Help documentation at https://help.gnome.org/users/gnome-help/stable/a11y-mag.html.en.