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1.1 root 1: #ifndef lint
2: static char sccsid[] = "@(#)cmd.c 3.33 4/24/85";
3: #endif
4:
5: /*
6: * Copyright (c) 1983 Regents of the University of California,
7: * All rights reserved. Redistribution permitted subject to
8: * the terms of the Berkeley Software License Agreement.
9: */
10:
11: #include "defs.h"
12: #include "char.h"
13:
14: docmd()
15: {
16: register char c;
17: register struct ww *w;
18: char out = 0;
19:
20: for (;;) {
21: while ((c = wwgetc()) >= 0) {
22: if (!terse)
23: wwputc('\n', cmdwin);
24: switch (c) {
25: default:
26: if (c == escapec)
27: goto foo;
28: break;
29: case 'h': case 'j': case 'k': case 'l':
30: case ctrl(y):
31: case ctrl(e):
32: case ctrl(u):
33: case ctrl(d):
34: case ctrl(b):
35: case ctrl(f):
36: case ctrl(s):
37: case ctrl(q):
38: case ctrl([):
39: foo:
40: if (selwin == 0) {
41: error("No window.");
42: continue;
43: }
44: }
45: switch (c) {
46: case '1': case '2': case '3': case '4': case '5':
47: case '6': case '7': case '8': case '9':
48: if ((w = window[c - '1']) == 0) {
49: error("%c: No such window.", c);
50: break;
51: }
52: setselwin(w);
53: if (checkproc(selwin) >= 0)
54: out = 1;
55: break;
56: case '%':
57: if ((w = getwin()) != 0)
58: setselwin(w);
59: break;
60: case ctrl(^):
61: if (lastselwin != 0) {
62: setselwin(lastselwin);
63: if (checkproc(selwin) >= 0)
64: out = 1;
65: } else
66: error("No previous window.");
67: break;
68: case 'c':
69: if ((w = getwin()) != 0)
70: c_close(w);
71: break;
72: case 'w':
73: c_window();
74: break;
75: case 'm':
76: if ((w = getwin()) != 0)
77: c_move(w);
78: break;
79: case 'M':
80: if ((w = getwin()) != 0)
81: movewin(w, w->ww_alt.t, w->ww_alt.l);
82: break;
83: case 's':
84: if ((w = getwin()) != 0)
85: c_size(w);
86: break;
87: case 'S':
88: if ((w = getwin()) != 0)
89: sizewin(w, w->ww_alt.nr, w->ww_alt.nc);
90: break;
91: case ':':
92: c_colon();
93: break;
94: case 'h':
95: (void) wwwrite(selwin, "\b", 1);
96: break;
97: case 'j':
98: (void) wwwrite(selwin, "\n", 1);
99: break;
100: case 'k':
101: (void) wwwrite(selwin, "\033A", 2);
102: break;
103: case 'l':
104: (void) wwwrite(selwin, "\033C", 2);
105: break;
106: case ctrl(e):
107: wwscroll(selwin, 1);
108: break;
109: case ctrl(y):
110: wwscroll(selwin, -1);
111: break;
112: case ctrl(d):
113: wwscroll(selwin, selwin->ww_w.nr / 2);
114: break;
115: case ctrl(u):
116: wwscroll(selwin, - selwin->ww_w.nr / 2);
117: break;
118: case ctrl(f):
119: wwscroll(selwin, selwin->ww_w.nr);
120: break;
121: case ctrl(b):
122: wwscroll(selwin, - selwin->ww_w.nr);
123: break;
124: case ctrl(s):
125: stopwin(selwin);
126: break;
127: case ctrl(q):
128: startwin(selwin);
129: break;
130: case ctrl(l):
131: wwredraw();
132: break;
133: case '?':
134: c_help();
135: break;
136: case ctrl([):
137: if (checkproc(selwin) >= 0)
138: out = 1;
139: break;
140: case ctrl(z):
141: wwsuspend();
142: break;
143: case 'q':
144: c_quit();
145: break;
146: /* debugging stuff */
147: case '&':
148: if (debug) {
149: c_debug();
150: break;
151: }
152: default:
153: if (c == escapec) {
154: if (checkproc(selwin) >= 0) {
155: (void) write(selwin->ww_pty,
156: &escapec, 1);
157: out = 1;
158: }
159: } else {
160: if (!terse)
161: wwbell();
162: error("Type ? for help.");
163: }
164: }
165: }
166: if (out || quit)
167: break;
168: if (terse)
169: wwsetcursor(0, 0);
170: else {
171: wwputs("Command: ", cmdwin);
172: wwcurtowin(cmdwin);
173: }
174: while (wwpeekc() < 0)
175: wwiomux();
176: }
177: if (!quit)
178: setcmd(0);
179: }
180:
181: struct ww *
182: getwin()
183: {
184: register int c;
185: struct ww *w = 0;
186:
187: if (!terse)
188: wwputs("Which window? ", cmdwin);
189: wwcurtowin(cmdwin);
190: while ((c = wwgetc()) < 0)
191: wwiomux();
192: if (debug && c == 'c')
193: w = cmdwin;
194: else if (debug && c == 'f')
195: w = framewin;
196: else if (debug && c == 'b')
197: w = boxwin;
198: else if (c >= '1' && c < NWINDOW + '1')
199: w = window[c - '1'];
200: if (w == 0)
201: wwbell();
202: if (!terse)
203: wwputc('\n', cmdwin);
204: return w;
205: }
206:
207: checkproc(w)
208: struct ww *w;
209: {
210: if (w->ww_state != WWS_HASPROC) {
211: error("No process in window.");
212: return -1;
213: }
214: return 0;
215: }
216:
217: setcmd(new)
218: char new;
219: {
220: if (new && !incmd) {
221: if (!terse)
222: wwadd(cmdwin, &wwhead);
223: if (selwin != 0)
224: wwcursor(selwin, 1);
225: wwcurwin = 0;
226: } else if (!new && incmd) {
227: if (!terse) {
228: wwdelete(cmdwin);
229: reframe();
230: }
231: if (selwin != 0)
232: wwcursor(selwin, 0);
233: wwcurwin = selwin;
234: }
235: incmd = new;
236: }
237:
238: setterse(new)
239: char new;
240: {
241: if (incmd)
242: if (new && !terse) {
243: wwdelete(cmdwin);
244: reframe();
245: } else if (!new && terse)
246: wwadd(cmdwin, &wwhead);
247: terse = new;
248: }
249:
250: /*
251: * Set the current window.
252: */
253: setselwin(w)
254: struct ww *w;
255: {
256: if (selwin == w)
257: return;
258: if (selwin != 0)
259: lastselwin = selwin;
260: if ((selwin = w) != 0)
261: front(selwin, 1);
262: }
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