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/* Copyright (c) 2010
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 2008, 2009
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Micah Cowan (micah@cowan.name)
* Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
* Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
* Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
* Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
* Copyright (c) 1987 Oliver Laumann
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING); if not, see
* https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
****************************************************************
*/
/* Deals with the list of displays */
#include "config.h"
#include "screen.h"
#include "extern.h"
#include "list_generic.h"
#ifdef MULTI
extern struct layer *flayer;
extern struct display *display, *displays;
extern struct mchar mchar_blank, mchar_so;
static char ListID[] = "display";
/*
* layout of the displays page is as follows:
xterm 80x42 jnweiger@/dev/ttyp4 0(m11) &rWx
facit 80x24 nb mlschroe@/dev/ttyhf 11(tcsh) rwx
xterm 80x42 jnhollma@/dev/ttyp5 0(m11) &R.x
| | | | | | | | ¦___ window permissions
| | | | | | | | (R. is locked r-only,
| | | | | | | | W has wlock)
| | | | | | | |___ Window is shared
| | | | | | |___ Name/Title of window
| | | | | |___ Number of window
| | | | |___ Name of the display (the attached device)
| | | |___ Username who is logged in at the display
| | |___ Display is in nonblocking mode. Shows 'NB' if obuf is full.
| |___ Displays geometry as width x height.
|___ the terminal type known by screen for this display.
*/
static int
gl_Display_header(struct ListData *ldata)
{
leftline("term-type size user interface window Perms", 0, 0);
leftline("---------- ------- ---------- ----------------- ---------- -----", 1, 0);
return 2;
}
static int
gl_Display_footer(struct ListData *ldata)
{
centerline("[Press Space to refresh; Return to end.]", flayer->l_height - 1);
return 1;
}
static int
gl_Display_row(struct ListData *ldata, struct ListRow *lrow)
{
struct display *d = lrow->data;
char tbuf[80];
static char *blockstates[5] = {"nb", "NB", "Z<", "Z>", "BL"};
struct win *w = d->d_fore;
struct mchar m_current = mchar_blank;
m_current.attr = A_BD;
sprintf(tbuf, " %-10.10s%4dx%-4d%10.10s@%-16.16s%s",
d->d_termname, d->d_width, d->d_height, d->d_user->u_name,
d->d_usertty,
(d->d_blocked || d->d_nonblock >= 0) && d->d_blocked <= 4 ? blockstates[d->d_blocked] : " ");
if (w)
{
int l = 10 - strlen(w->w_title);
if (l < 0)
l = 0;
sprintf(tbuf + strlen(tbuf), "%3d(%.10s)%*s%c%c%c%c",
w->w_number, w->w_title, l, "",
/* w->w_dlist->next */ 0 ? '&' : ' ',
/*
* The rwx triple:
* -,r,R no read, read, read only due to foreign wlock
* -,.,w,W no write, write suppressed by foreign wlock,
* write, own wlock
* -,x no execute, execute
*/
#ifdef MULTIUSER
(AclCheckPermWin(d->d_user, ACL_READ, w) ? '-' :
((w->w_wlock == WLOCK_OFF || d->d_user == w->w_wlockuser) ?
'r' : 'R')),
(AclCheckPermWin(d->d_user, ACL_READ, w) ? '-' :
((w->w_wlock == WLOCK_OFF) ? 'w' :
((d->d_user == w->w_wlockuser) ? 'W' : 'v'))),
(AclCheckPermWin(d->d_user, ACL_READ, w) ? '-' : 'x')
#else
'r', 'w', 'x'
#endif
);
}
leftline(tbuf, lrow->y, lrow == ldata->selected ? &mchar_so : d == display ? &m_current : 0);
return 1;
}
static void
gl_Display_rebuild(struct ListData *ldata)
{
/* recreate the rows */
struct display *d;
struct ListRow *row = NULL;
for (d = displays; d; d = d->d_next)
{
row = glist_add_row(ldata, d, row);
if (d == display)
ldata->selected = row;
}
glist_display_all(ldata);
}
static int
gl_Display_input(struct ListData *ldata, char **inp, int *len)
{
struct display *cd = display;
unsigned char ch;
if (!ldata->selected)
return 0;
ch = (unsigned char) **inp;
++*inp;
--*len;
switch (ch)
{
case ' ': /* Space to refresh */
glist_remove_rows(ldata);
gl_Display_rebuild(ldata);
break;
case '\r':
case '\n':
glist_abort();
*len = 0;
break;
#ifdef REMOTE_DETACH
case 'd': /* Detach */
case 'D': /* Power detach */
display = ldata->selected->data;
if (display == cd) /* We do not allow detaching the current display */
break;
Detach(
#ifdef POW_DETACH
ch == 'D' ? D_REMOTE_POWER : D_REMOTE
#else
D_REMOTE
#endif
);
display = cd;
glist_remove_rows(ldata);
gl_Display_rebuild(ldata);
break;
#endif
default:
/* We didn't actually process the input. */
--*inp;
++*len;
return 0;
}
return 1;
}
static int
gl_Display_freerow(struct ListData *ldata, struct ListRow *row)
{
/* There was no allocation when row->data was set. So nothing to do here. */
return 0;
}
static int
gl_Display_free(struct ListData *ldata)
{
/* There was no allocation in ldata->data. So nothing to do here. */
return 0;
}
static struct GenericList gl_Display =
{
gl_Display_header,
gl_Display_footer,
gl_Display_row,
gl_Display_input,
gl_Display_freerow,
gl_Display_free,
NULL /* We do not allow searching in the display list, at the moment */
};
void
display_displays()
{
struct ListData *ldata;
if (flayer->l_width < 10 || flayer->l_height < 5)
{
LMsg(0, "Window size too small for displays page");
return;
}
ldata = glist_display(&gl_Display, ListID);
if (!ldata)
return;
gl_Display_rebuild(ldata);
}
#endif /* MULTI */
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