Mercurial > hg > xemacs-beta
diff man/lispref/dialog.texi @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
author | cvs |
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date | Mon, 13 Aug 2007 08:45:50 +0200 |
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children | 74fd4e045ea6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/man/lispref/dialog.texi Mon Aug 13 08:45:50 2007 +0200 @@ -0,0 +1,67 @@ +@c -*-texinfo-*- +@c This is part of the XEmacs Lisp Reference Manual. +@c Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc. +@c See the file lispref.texi for copying conditions. +@setfilename ../../info/dialog.info +@node Dialog Boxes, Toolbar, Menus, Top +@chapter Dialog Boxes +@cindex dialog box + +@menu +* Dialog Box Format:: +* Dialog Box Functions:: +@end menu + +@node Dialog Box Format +@section Dialog Box Format + +A dialog box description is a list. + +@itemize @bullet +@item +The first element of the list is a string to display in the dialog box. +@item +The rest of the elements are descriptions of the dialog box's buttons. +Each one is a vector of three elements: +@itemize @minus +@item +The first element is the text of the button. +@item +The second element is the @dfn{callback}. +@item +The third element is @code{t} or @code{nil}, whether this button is +selectable. +@end itemize +@end itemize + +If the callback of a button is a symbol, then it must name a command. +It will be invoked with @code{call-interactively}. If it is a list, +then it is evaluated with @code{eval}. + +One (and only one) of the buttons may be @code{nil}. This marker means +that all following buttons should be flushright instead of flushleft. + +The syntax, more precisely: + +@example + form := <something to pass to `eval'> + command := <a symbol or string, to pass to `call-interactively'> + callback := command | form + active-p := <t, nil, or a form to evaluate to decide whether this + button should be selectable> + name := <string> + partition := 'nil' + button := '[' name callback active-p ']' + dialog := '(' name [ button ]+ [ partition [ button ]+ ] ')' +@end example + +@node Dialog Box Functions +@section Dialog Box Functions + +@defun popup-dialog-box dbox-desc +This function pops up a dialog box. @var{dbox-desc} describes how the +dialog box will appear (@pxref{Dialog Box Format}). +@end defun + +@xref{Yes-or-No Queries}, for functions to ask a yes/no question using +a dialog box.