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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:30:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:30:43 +0000 |
commit | bd4909a899a4663c3f51ea80d3c75db80c0cf30f (patch) | |
tree | 9d0d5021c4bd770b385bf1b8bd202d3e898f5b65 /list_display.c | |
parent | Initial commit. (diff) | |
download | screen-bd4909a899a4663c3f51ea80d3c75db80c0cf30f.tar.xz screen-bd4909a899a4663c3f51ea80d3c75db80c0cf30f.zip |
Adding upstream version 4.9.1.upstream/4.9.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | list_display.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/list_display.c b/list_display.c new file mode 100644 index 0000000..12f181f --- /dev/null +++ b/list_display.c @@ -0,0 +1,245 @@ +/* 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 + * 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 */ + |