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freebsd/usr.sbin/sade/dmenu.c
2011-11-24 18:37:16 +00:00

94 lines
2.8 KiB
C

/*
* $FreeBSD$
*
* Copyright (c) 1995
* Jordan Hubbard. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "sade.h"
#include <errno.h>
#define MAX_MENU 15
static int
menu_height(DMenu *menu, int n)
{
int max;
char *t;
max = MAX_MENU;
if (StatusLine > 24)
max += StatusLine - 24;
for (t = menu->prompt; *t; t++) {
if (*t == '\n')
--max;
}
return n > max ? max : n;
}
/* Traverse over an internal menu */
Boolean
dmenuOpen(DMenu *menu)
{
int n, rval = 0;
/* Count up all the items */
for (n = 0; menu->items[n].title; n++)
;
while (1) {
char buf[FILENAME_MAX];
DIALOG_VARS save_vars;
WINDOW *w = savescr();
/* Any helpful hints, put 'em up! */
dlg_save_vars(&save_vars);
dialog_vars.help_line = menu->helpline;
dialog_vars.help_file = systemHelpFile(menu->helpfile, buf);
dlg_clear();
/* Pop up that dialog! */
if (menu->type & DMENU_NORMAL_TYPE) {
rval = xdialog_menu(menu->title, menu->prompt,
-1, -1, menu_height(menu, n), n, menu->items);
} else if (menu->type & DMENU_RADIO_TYPE) {
rval = xdialog_radiolist(menu->title, menu->prompt,
-1, -1, menu_height(menu, n), n, menu->items);
} else {
msgFatal("Menu: `%s' is of an unknown type\n", menu->title);
}
dlg_restore_vars(&save_vars);
if (rval) {
restorescr(w);
return FALSE;
} else if (menu->type & DMENU_SELECTION_RETURNS) {
restorescr(w);
return TRUE;
} else
delwin(w);
}
}