1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/* 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
* http://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 */
|
