1 | .\"***************************************************************************
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2 | .\" Copyright (c) 1998,2002 Free Software Foundation, Inc. *
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3 | .\" *
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4 | .\" Permission is hereby granted, free of charge, to any person obtaining a *
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12 | .\" The above copyright notice and this permission notice shall be included *
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14 | .\" *
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15 | .\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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16 | .\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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17 | .\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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19 | .\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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27 | .\"***************************************************************************
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28 | .\"
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29 | .\" $Id: mitem_value.3x,v 1.6 2002/02/16 22:40:59 tom Exp $
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30 | .TH mitem_value 3X ""
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31 | .SH NAME
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32 | \fBmitem_value\fR - set and get menu item values
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33 | .SH SYNOPSIS
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34 | \fB#include <menu.h>\fR
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35 | .br
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36 | int set_item_value(ITEM *item, bool value);
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37 | .br
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38 | bool item_value(const ITEM *item);
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39 | .br
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40 | .SH DESCRIPTION
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41 | If you turn off the menu option \fBO_ONEVALUE\fR (e.g., with
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42 | \fBset_menu_opts\fR or \fBmenu_opts_off\fR; see \fBmenu_opts\fR(3X)), the menu
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43 | becomes multi-valued; that is, more than one item may simultaneously be
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44 | selected.
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45 |
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46 | In a multi_valued menu, you can used \fBset_item_value\fR to select the
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47 | given menu item (second argument \fBTRUE\fR) or deselect it (second argument
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48 | \fBFALSE\fR).
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49 | .SH RETURN VALUE
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50 | The function \fBset_item_value\fR returns one of the following:
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51 | .TP 5
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52 | \fBE_OK\fR
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53 | The routine succeeded.
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54 | .TP 5
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55 | \fBE_SYSTEM_ERROR\fR
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56 | System error occurred (see \fBerrno\fR).
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57 | .TP 5
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58 | \fBE_REQUEST_DENIED\fR
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59 | The menu driver could not process the request.
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60 | .SH SEE ALSO
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61 | \fBcurses\fR(3X), \fBmenu\fR(3X).
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62 | .SH NOTES
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63 | The header file \fB<menu.h>\fR automatically includes the header file
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64 | \fB<curses.h>\fR.
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65 | .SH PORTABILITY
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66 | These routines emulate the System V menu library. They were not supported on
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67 | Version 7 or BSD versions.
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68 | .SH AUTHORS
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69 | Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
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70 | S. Raymond.
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71 | .\"#
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72 | .\"# The following sets edit modes for GNU EMACS
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73 | .\"# Local Variables:
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74 | .\"# mode:nroff
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75 | .\"# fill-column:79
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76 | .\"# End:
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