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Diffstat (limited to 'src/list_display.c')
| -rw-r--r-- | src/list_display.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/src/list_display.c b/src/list_display.c new file mode 100644 index 0000000..3693f01 --- /dev/null +++ b/src/list_display.c @@ -0,0 +1,288 @@ +/* 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 */ + +#ifdef MULTI + +struct displaysdata +{ + struct display *selected; /* The selected display */ + struct display *current; /* The current display (that's showing this list) */ +}; + +static void DisplaysProcess __P((char **, int *)); +static void DisplaysRedisplayLine __P((int, int, int, int)); +static void displayspage __P((struct displaysdata *)); + +static struct LayFuncs DisplaysLf = +{ + DisplaysProcess, + HelpAbort, + DisplaysRedisplayLine, + DefClearLine, + DefRewrite, + DefResize, + DefRestore +}; + +void +display_displays() +{ + struct displaysdata *ddata; + if (flayer->l_width < 10 || flayer->l_height < 5) + { + LMsg(0, "Window size too small for displays page"); + return; + } + if (InitOverlayPage(sizeof(struct displaysdata), &DisplaysLf, 0)) + return; + flayer->l_mode = 1; + flayer->l_x = 0; + flayer->l_y = flayer->l_height - 1; + ddata = flayer->l_data; + ddata->current = display; + ddata->selected = display; + displayspage(ddata); +} + +static void +display_list_change(struct displaysdata *ddata, int dir) +{ + struct display *d; + for (d = displays; d; d = d->d_next) + { + if (dir == -1 && d->d_next == ddata->selected) + { + ddata->selected = d; + break; + } + else if (dir == 1 && d == ddata->selected && d->d_next) + { + ddata->selected = d->d_next; + break; + } + } + + if (d) + { + /* Selection changed */ + displayspage(ddata); + } +} + +static void +DisplaysProcess(ppbuf, plen) +char **ppbuf; +int *plen; +{ + int done = 0; + + ASSERT(flayer); + while (!done && *plen > 0) + { + unsigned char ch = (unsigned char)**ppbuf; + ++*ppbuf; + --*plen; + if (flayer->l_mouseevent.start) + { + int r = LayProcessMouse(flayer, ch); + if (r == -1) + LayProcessMouseSwitch(flayer, 0); + else + { + if (r) + ch = 0222; + else + continue; + } + } + switch (ch) + { + case ' ': + displayspage(flayer->l_data); + break; + case '\r': + case '\n': + HelpAbort(); + done = 1; + break; + + case 0220: /* up */ + case 16: /* ^P like emacs */ + case 'k': + display_list_change(flayer->l_data, -1); + break; + + case 0216: /* down */ + case 14: /* ^N like emacs */ + case 'j': + display_list_change(flayer->l_data, 1); + break; + + case 0222: /* mouse event */ + if (flayer->l_mouseevent.start) + { + /* All the data is available to process the mouse event. */ + int button = flayer->l_mouseevent.buffer[0]; + if (button == 'a') + { + /* Scroll down */ + display_list_change(flayer->l_data, 1); + } + else if (button == '`') + { + /* Scroll up */ + display_list_change(flayer->l_data, -1); + } + LayProcessMouseSwitch(flayer, 0); + } + else + LayProcessMouseSwitch(flayer, 1); + break; + + default: + break; + } + } +} + + +/* + * 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 void +displayspage(ddata) +struct displaysdata *ddata; +{ + int y, l; + char tbuf[80]; + struct display *d; + struct win *w; + static char *blockstates[5] = {"nb", "NB", "Z<", "Z>", "BL"}; + struct mchar m_current = mchar_blank; + m_current.attr = A_BD; + + if (!ddata) + return; + + LClearAll(flayer, 0); + + leftline("term-type size user interface window Perms", 0, 0); + leftline("---------- ------- ---------- ----------------- ---------- -----", 1, 0); + y = 2; + + for (d = displays; d; d = d->d_next) + { + struct mchar *mc; + w = d->d_fore; + + if (y >= flayer->l_height - 3) + break; + 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) + { + 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, y, d == ddata->selected ? &mchar_so : d == ddata->current ? &m_current : 0); + if (d == ddata->selected) + flayer->l_y = y; + y++; + } + sprintf(tbuf,"[Press Space %s Return to end.]", + 1 ? "to refresh;" : "or"); + centerline(tbuf, flayer->l_height - 2); + LaySetCursor(); +} + +static void +DisplaysRedisplayLine(y, xs, xe, isblank) +int y, xs, xe, isblank; +{ + ASSERT(flayer); + if (y < 0) + { + displayspage(flayer->l_data); + return; + } + if (y != 0 && y != flayer->l_height - 1) + return; + if (isblank) + return; + LClearArea(flayer, xs, y, xe, y, 0, 0); + /* To be filled in... */ +} + +#endif /* MULTI */ + |