(ddd.info)Defining Buttons

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10.4 Defining Buttons
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To facilitate interaction, you can add own command buttons to DDD.
These buttons can be added below the debugger console (`Console
Buttons'), the source window (`Source Buttons'), or the data window
(`Data Buttons').

   To define individual buttons, use the _Button Editor_, invoked via
`Commands => Edit Buttons'.  The button editor displays a text, where
each line contains the command for exactly one button.  Clicking on
`OK' creates the appropriate buttons from the text.  If the text is
empty (the default), no button is created.

   As a simple example, assume you want to create a `print i' button.
Invoke `Commands => Edit Buttons' and enter a line saying `print i' in
the button editor.  Then click on `OK'.  A button named `Print i' will
now appear below the debugger console--try it!  To remove the button,
reopen the button editor, clear the `print i' line and press `OK' again.

   If a button command contains `()', the string `()' will
automatically be replaced by the contents of the argument field.  For
instance, a button named `return ()' will execute the GDB `return'
command with the current content of the argument field as argument.

   By default, DDD disables buttons whose commands are not supported by
the inferior debugger.  To enable such buttons, unset the `Enable
supported buttons only' toggle in the button editor.

   DDD also allows you to specify control sequences and special labels
for user-defined buttons.  Note: Customizing Buttons, for details.

Customizing Buttons

Adding your own command buttons.