Appearance view

Look

Motif (Unix only) | Indicates whether the windows are drawn in Motif look.
Windows (Unix only) | Indicates whether the windows are drawn in Windows look.
Font for Titles, Menu names and Entries | Defines the general font that is used for all SNiFF+ texts that are drawn in proportional text.
Font for Lists of Symbols | Specifies the font that is used for all fixed-width texts. Note that Source Editor fonts are specified separately. See also Source Editor view.

Motif Colors (Unix only)

View Background Color | Specifies the background color of all views in SNiFF+.
Window Background Color | Defines the background color of all windows in SNiFF+.
Highlight Color | Defines the highlight color used for selected text or menus.
Disable Color | Specifies the color in which disabled items are drawn.
Caret Color | Defines the color of the text caret.

Color Picker dialog
Colors in SNiFF+ can be set in the Color Picker dialog. This dialog appears when you press the Color button in either the Source Editor or Documentation Editor view of the Preferences dialog.

Gauges | Define the RGBA values of the color: R: red G: green B: blue A: alpha value (should always be 255)
HSVA tab | Switches to the HSVA view. For details, please refer to page 443.
Reset | Resets the color to the value it had when the dialog was opened.
Cancel | Leaves the current color values unchanged, discards all modifications and closes the dialog.
Set Color | Sets the current color to the values of the Color Picker and closes the dialog.

The following illustration shows the HSVA view of the Color Picker on a color wheel:

Hue | Defines the hue of the color (the value is modified when the color pointer is dragged with the mouse).
Saturation | Defines the saturation of the color (the value is modified when the color pointer is dragged with the mouse).
Gauges | Define the values of the color wheel: V: Sets the Value of the color wheel. A: Sets the Alpha value of the color wheel.
RGBA tab | Switches to the RGBA view. See also Color Picker dialog.