| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | '\" t |
| 2 | .\"*************************************************************************** |
| 3 | .\" Copyright (c) 1998,2006 Free Software Foundation, Inc. * |
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| 29 | .\" |
| 30 | .\" $Id: menu_win.3x,v 1.8 2006/11/04 17:12:00 tom Exp $ |
| 31 | .TH menu_win 3X "" |
| 32 | .SH NAME |
| 33 | \fBmenu_win\fR - make and break menu window and subwindow associations |
| 34 | .SH SYNOPSIS |
| 35 | \fB#include <menu.h>\fR |
| 36 | .br |
| 37 | int set_menu_win(MENU *menu, WINDOW *win); |
| 38 | .br |
| 39 | WINDOW *menu_win(const MENU *menu); |
| 40 | .br |
| 41 | int set_menu_sub(MENU *menu, WINDOW *sub); |
| 42 | .br |
| 43 | WINDOW *menu_sub(const MENU *menu); |
| 44 | .br |
| 45 | int scale_menu(const MENU *menu, int *rows, int *columns); |
| 46 | .br |
| 47 | .SH DESCRIPTION |
| 48 | Every menu has an associated pair of \fBcurses\fR windows. The menu window |
| 49 | displays any title and border associated with the window; the menu subwindow |
| 50 | displays the items of the menu that are currently available for selection. |
| 51 | .PP |
| 52 | The first four functions get and set those windows. It is not necessary to set |
| 53 | either window; by default, the driver code uses \fBstdscr\fR for both. |
| 54 | .PP |
| 55 | In the \fBset_\fR functions, window argument of \fBNULL\fR is treated as though |
| 56 | it were \fBstsdcr\fR. A menu argument of \fBNULL\fR is treated as a request |
| 57 | to change the system default menu window or subwindow. |
| 58 | .PP |
| 59 | The function \fBscale_menu\fR returns the minimum size required for the |
| 60 | subwindow of \fImenu\fR. |
| 61 | .SH RETURN VALUE |
| 62 | Routines that return pointers return \fBNULL\fR on error. Routines that return |
| 63 | an integer return one of the following error codes: |
| 64 | .TP 5 |
| 65 | .B E_OK |
| 66 | The routine succeeded. |
| 67 | .TP 5 |
| 68 | .B E_SYSTEM_ERROR |
| 69 | System error occurred (see \fBerrno\fR). |
| 70 | .TP 5 |
| 71 | .B E_BAD_ARGUMENT |
| 72 | Routine detected an incorrect or out-of-range argument. |
| 73 | .TP 5 |
| 74 | .B E_POSTED |
| 75 | The menu has already been posted. |
| 76 | .TP 5 |
| 77 | .B E_NOT_CONNECTED |
| 78 | No items are connected to the menu. |
| 79 | .SH SEE ALSO |
| 80 | \fBcurses\fR(3X), \fBmenu\fR(3X). |
| 81 | .SH NOTES |
| 82 | The header file \fB<menu.h>\fR automatically includes the header file |
| 83 | \fB<curses.h>\fR. |
| 84 | .SH PORTABILITY |
| 85 | These routines emulate the System V menu library. They were not supported on |
| 86 | Version 7 or BSD versions. |
| 87 | .SH AUTHORS |
| 88 | Juergen Pfeifer. Manual pages and adaptation for new curses by Eric |
| 89 | S. Raymond. |
| 90 | .\"# |
| 91 | .\"# The following sets edit modes for GNU EMACS |
| 92 | .\"# Local Variables: |
| 93 | .\"# mode:nroff |
| 94 | .\"# fill-column:79 |
| 95 | .\"# End: |