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67 lines
2.0 KiB
Plaintext
67 lines
2.0 KiB
Plaintext
'\" t
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.TH menu_win 3X ""
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.SH NAME
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\fBmenu_win\fR - make and break menu window and subwindow associations
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.SH SYNOPSIS
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\fB#include <menu.h>\fR
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.br
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int set_menu_win(MENU *menu, WINDOW *win);
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.br
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WINDOW *menu_win(const MENU *menu);
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.br
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int set_menu_sub(MENU *menu, WINDOW *sub);
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.br
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WINDOW *menu_sub(const MENU *menu);
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.br
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int scale_menu(const MENU *menu, int *rows, int *columns);
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.br
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.SH DESCRIPTION
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Every menu has an associated pair of \fBcurses\fR windows. The menu window
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displays any title and border associated with the window; the menu subwindow
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displays the items of the menu that are currently available for selection.
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The first four functions get and set those windows. It is not necessary to set
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either window; by default, the driver code uses \fBstdscr\fR for both.
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In the \fBset_\fR functions, window argument of \fBNULL\fR is treated as though
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it were \fBstsdcr\fR. A menu argument of \fBNULL\fR is treated as a request
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to change the system default menu window or subwindow.
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The function \fBscale_menu\fR returns the minimum size required for the
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subwindow of \fImenu\fR.
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.SH RETURN VALUE
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Routines that return pointers return \fBNULL\fR on error. Routines that return
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an integer return one of the following error codes:
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.TP 5
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\fBE_OK\fR
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The routine succeeded.
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.TP 5
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\fBE_SYSTEM_ERROR\fR
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System error occurred (see \fBerrno\fR).
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.TP 5
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\fBE_BAD_ARGUMENT\fR
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Routine detected an incorrect or out-of-range argument.
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.TP 5
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\fBE_POSTED\fR
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The menu has already been posted.
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.TP 5
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\fBE_NOT_CONNECTED\fR
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No items are connected to the menu.
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.SH SEE ALSO
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\fBcurses\fR(3X), \fBmenu\fR(3X).
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.SH NOTES
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The header file \fB<menu.h>\fR automatically includes the header file
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\fB<curses.h>\fR.
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.SH PORTABILITY
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These routines emulate the System V menu library. They were not supported on
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Version 7 or BSD versions.
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.SH AUTHORS
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Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
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S. Raymond.
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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