(ddd.info)Customizing Fonts

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3.6.4.3 Customizing Fonts
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You can configure the basic DDD fonts at run-time.  Each font is
specified using two members:

   * The "font family" is an X font specifications, where the initial
     `FOUNDRY-' specification may be omitted, as well as any
     specification after FAMILY.  Thus, a pair `FAMILY-WEIGHT' usually
     suffices.

   * The "font size" is given as (resolution-independent) 1/10 points.

   To specify fonts, select `Edit => Preferences => Fonts'.

   The `Browse' button opens a font selection program, where you can
select fonts and attributes interactively.  Clicking `quit' or `select'
in the font selector causes all non-default values to be transferred to
the DDD font preferences panel.

   The following fonts can be set using the preferences panel:

`Default Font'
     The default DDD font to use for labels, menus, and buttons.
     Default is `helvetica-bold'.

`Variable Width'
     The variable width DDD font to use for help texts and messages.
     Default is `helvetica-medium'.

`Fixed Width'
     The fixed width DDD font to use for source code, the debugger
     console, text fields, and the execution window.  Default is
     `lucidatypewriter-medium'.

`Data'
     The DDD font to use for data displays.  Default is
     `lucidatypewriter-medium'.

   Changes in this panel will take effect only in the next DDD session.
To make it effective right now, restart DDD (using `File => Restart
DDD').

   After having made changes in the panel, DDD will automatically offer
you to restart itself, such that you can see the changes taking effect.

   The `Reset' button restores the most recently saved preferences.

   Here are the resources related to font specifications:

 -- Resource: defaultFont (class Font)
     The default DDD font to use for labels, menus, buttons, etc.  The
     font is specified as an X font spec, where the initial FOUNDRY
     specification may be omitted, as well as any specification after
     FAMILY.

     Default value is `helvetica-bold'.

     To set the default DDD font to, say, `helvetica medium', insert a
     line

          Ddd*defaultFont: helvetica-medium

     in your `~/.ddd/init' file.

 -- Resource: defaultFontSize (class FontSize)
     The size of the default DDD font, in 1/10 points.  This resource
     overrides any font size specification in the `defaultFont' resource
     (see above).  The default value is `120' for a 12.0 point font.

 -- Resource: variableWidthFont (class Font)
     The variable width DDD font to use for help texts and messages.
     The font is specified as an X font spec, where the initial FOUNDRY
     specification may be omitted, as well as any specification after
     FAMILY.

     Default value is `helvetica-medium-r'.

     To set the variable width DDD font family to, say, `times', insert
     a line

          Ddd*fixedWidthFont: times-medium

     in your `~/.ddd/init' file.

 -- Resource: variableWidthFontSize (class FontSize)
     The size of the variable width DDD font, in 1/10 points.  This
     resource overrides any font size specification in the
     `variableWidthFont' resource (see above).  The default value is
     `120' for a 12.0 point font.

 -- Resource: fixedWidthFont (class Font)
     The fixed width DDD font to use for source code, the debugger
     console, text fields, and the execution window.  The font is
     specified as an X font spec, where the initial FOUNDRY
     specification may be omitted, as well as any specification after
     FAMILY.

     Default value is `lucidatypewriter-medium'.

     To set the fixed width DDD font family to, say, `courier', insert
     a line

          Ddd*fixedWidthFont: courier-medium

     in your `~/.ddd/init' file.

 -- Resource: fixedWidthFontSize (class FontSize)
     The size of the fixed width DDD font, in 1/10 points.  This
     resource overrides any font size specification in the
     `fixedWidthFont' resource (see above).  The default value is `120'
     for a 12.0 point font.

 -- Resource: dataFont (class Font)
     The fixed width DDD font to use data displays.  The font is
     specified as an X font spec, where the initial FOUNDRY
     specification may be omitted, as well as any specification after
     FAMILY.

     Default value is `lucidatypewriter-medium'.

     To set the DDD data font family to, say, `courier', insert a line

          Ddd*dataFont: courier-medium

     in your `~/.ddd/init' file.

 -- Resource: dataFontSize (class FontSize)
     The size of the DDD data font, in 1/10 points.  This resource
     overrides any font size specification in the `dataFont' resource
     (see above).  The default value is `120' for a 12.0 point font.

   As all font size resources have the same class (and by default the
same value), you can easily change the default DDD font size to, say,
9.0 points by inserting a line

     Ddd*FontSize: 90

in your `~/.ddd/init' file.

   Here's how to specify the command to select fonts:

 -- Resource: fontSelectCommand (class FontSelectCommand)
     A command to select from a list of fonts.  The string `@FONT@' is
     replaced by the current DDD default font; the string `@TYPE@' is
     replaced by a symbolic name of the DDD font to edit.  The program
     must either place the name of the selected font in the `PRIMARY'
     selection or print the selected font on standard output.  A
     typical value is:
          Ddd*fontSelectCommand: xfontsel -print
     
   Note: Options, for options to set these resources upon DDD
invocation.