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Diffstat (limited to 'usr.bin/window/win.c')
| -rw-r--r-- | usr.bin/window/win.c | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/usr.bin/window/win.c b/usr.bin/window/win.c deleted file mode 100644 index c5f0e451725c..000000000000 --- a/usr.bin/window/win.c +++ /dev/null @@ -1,372 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Edward Wang at The University of California, Berkeley. - * - * 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. - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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, 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)win.c 8.1 (Berkeley) 6/6/93"; -static char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include "defs.h" -#include "char.h" - -/* - * Higher level routines for dealing with windows. - * - * There are two types of windows: user window, and information window. - * User windows are the ones with a pty and shell. Information windows - * are for displaying error messages, and other information. - * - * The windows are doubly linked in overlapping order and divided into - * two groups: foreground and normal. Information - * windows are always foreground. User windows can be either. - * Addwin() adds a window to the list at the top of one of the two groups. - * Deletewin() deletes a window. Front() moves a window to the front - * of its group. Wwopen(), wwadd(), and wwdelete() should never be called - * directly. - */ - -/* - * Open a user window. - */ -struct ww * -openwin(id, row, col, nrow, ncol, nline, label, haspty, hasframe, shf, sh) -char *label; -char haspty, hasframe; -char *shf, **sh; -{ - register struct ww *w; - - if (id < 0 && (id = findid()) < 0) - return 0; - if (row + nrow <= 0 || row > wwnrow - 1 - || col + ncol <= 0 || col > wwncol - 1) { - error("Illegal window position."); - return 0; - } - w = wwopen(haspty ? WWO_PTY : WWO_SOCKET, nrow, ncol, row, col, nline); - if (w == 0) { - error("Can't open window: %s.", wwerror()); - return 0; - } - w->ww_id = id; - window[id] = w; - w->ww_hasframe = hasframe; - w->ww_alt = w->ww_w; - if (label != 0 && setlabel(w, label) < 0) - error("No memory for label."); - wwcursor(w, 1); - /* - * We have to do this little maneuver to make sure - * addwin() puts w at the top, so we don't waste an - * insert and delete operation. - */ - setselwin((struct ww *)0); - addwin(w, 0); - setselwin(w); - if (wwspawn(w, shf, sh) < 0) { - error("Can't execute %s: %s.", shf, wwerror()); - closewin(w); - return 0; - } - return w; -} - -findid() -{ - register i; - - for (i = 0; i < NWINDOW && window[i] != 0; i++) - ; - if (i >= NWINDOW) { - error("Too many windows."); - return -1; - } - return i; -} - -struct ww * -findselwin() -{ - register struct ww *w, *s = 0; - register i; - - for (i = 0; i < NWINDOW; i++) - if ((w = window[i]) != 0 && w != selwin && - (s == 0 || - !isfg(w) && (w->ww_order < s->ww_order || isfg(s)))) - s = w; - return s; -} - -/* - * Close a user window. Close all if w == 0. - */ -closewin(w) -register struct ww *w; -{ - char didit = 0; - register i; - - if (w != 0) { - closewin1(w); - didit++; - } else - for (i = 0; i < NWINDOW; i++) { - if ((w = window[i]) == 0) - continue; - closewin1(w); - didit++; - } - if (didit) { - if (selwin == 0) - if (lastselwin != 0) { - setselwin(lastselwin); - lastselwin = 0; - } else if (w = findselwin()) - setselwin(w); - if (lastselwin == 0 && selwin) - if (w = findselwin()) - lastselwin = w; - reframe(); - } -} - -/* - * Open an information (display) window. - */ -struct ww * -openiwin(nrow, label) -char *label; -{ - register struct ww *w; - - if ((w = wwopen(0, nrow, wwncol, 2, 0, 0)) == 0) - return 0; - w->ww_mapnl = 1; - w->ww_hasframe = 1; - w->ww_nointr = 1; - w->ww_noupdate = 1; - w->ww_unctrl = 1; - w->ww_id = -1; - w->ww_center = 1; - (void) setlabel(w, label); - addwin(w, 1); - reframe(); - return w; -} - -/* - * Close an information window. - */ -closeiwin(w) -struct ww *w; -{ - closewin1(w); - reframe(); -} - -closewin1(w) -register struct ww *w; -{ - if (w == selwin) - selwin = 0; - if (w == lastselwin) - lastselwin = 0; - if (w->ww_id >= 0 && w->ww_id < NWINDOW) - window[w->ww_id] = 0; - if (w->ww_label) - str_free(w->ww_label); - deletewin(w); - wwclose(w); -} - -/* - * Move the window to the top of its group. - * Don't do it if already fully visible. - * Wwvisible() doesn't work for tinted windows. - * But anything to make it faster. - * Always reframe() if doreframe is true. - */ -front(w, doreframe) -register struct ww *w; -char doreframe; -{ - if (w->ww_back != (isfg(w) ? framewin : fgwin) && !wwvisible(w)) { - deletewin(w); - addwin(w, isfg(w)); - doreframe = 1; - } - if (doreframe) - reframe(); -} - -/* - * Add a window at the top of normal windows or foreground windows. - * For normal windows, we put it behind the current window. - */ -addwin(w, fg) -register struct ww *w; -char fg; -{ - if (fg) { - wwadd(w, framewin); - if (fgwin == framewin) - fgwin = w; - } else - wwadd(w, selwin != 0 && selwin != w && !isfg(selwin) - ? selwin : fgwin); -} - -/* - * Delete a window. - */ -deletewin(w) -register struct ww *w; -{ - if (fgwin == w) - fgwin = w->ww_back; - wwdelete(w); -} - -reframe() -{ - register struct ww *w; - - wwunframe(framewin); - for (w = wwhead.ww_back; w != &wwhead; w = w->ww_back) - if (w->ww_hasframe) { - wwframe(w, framewin); - labelwin(w); - } -} - -labelwin(w) -register struct ww *w; -{ - int mode = w == selwin ? WWM_REV : 0; - - if (!w->ww_hasframe) - return; - if (w->ww_id >= 0) { - char buf[2]; - - buf[0] = w->ww_id + '1'; - buf[1] = 0; - wwlabel(w, framewin, 1, buf, mode); - } - if (w->ww_label) { - int col; - - if (w->ww_center) { - col = (w->ww_w.nc - strlen(w->ww_label)) / 2; - col = MAX(3, col); - } else - col = 3; - wwlabel(w, framewin, col, w->ww_label, mode); - } -} - -stopwin(w) - register struct ww *w; -{ - if (w->ww_pty >= 0 && w->ww_ispty && wwstoptty(w->ww_pty) < 0) - error("Can't stop output: %s.", wwerror()); - else - w->ww_stopped = 1; -} - -startwin(w) - register struct ww *w; -{ - if (w->ww_pty >= 0 && w->ww_ispty && wwstarttty(w->ww_pty) < 0) - error("Can't start output: %s.", wwerror()); - else - w->ww_stopped = 0; -} - -sizewin(w, nrow, ncol) -register struct ww *w; -{ - struct ww *back = w->ww_back; - - w->ww_alt.nr = w->ww_w.nr; - w->ww_alt.nc = w->ww_w.nc; - wwdelete(w); - if (wwsize(w, nrow, ncol) < 0) - error("Can't resize window: %s.", wwerror()); - wwadd(w, back); - reframe(); -} - -waitnl(w) -struct ww *w; -{ - (void) waitnl1(w, "[Type any key to continue]"); -} - -more(w, always) -register struct ww *w; -char always; -{ - int c; - char uc = w->ww_unctrl; - - if (!always && w->ww_cur.r < w->ww_w.b - 2) - return 0; - c = waitnl1(w, "[Type escape to abort, any other key to continue]"); - w->ww_unctrl = 0; - wwputs("\033E", w); - w->ww_unctrl = uc; - return c == ctrl('[') ? 2 : 1; -} - -waitnl1(w, prompt) -register struct ww *w; -char *prompt; -{ - char uc = w->ww_unctrl; - - w->ww_unctrl = 0; - front(w, 0); - wwprintf(w, "\033Y%c%c\033sA%s\033rA ", - w->ww_w.nr - 1 + ' ', ' ', prompt); /* print on last line */ - wwcurtowin(w); - while (wwpeekc() < 0) - wwiomux(); - w->ww_unctrl = uc; - return wwgetc(); -} |