1 /* Copyright (c) 1994-1996 David Hogan, see README for licence details */
2 #include <stdio.h>
3 #include <signal.h>
4 #include <unistd.h>
5 #include <stdlib.h>
6 #include <sys/wait.h>
7 #include <X11/X.h>
8 #include <X11/Xlib.h>
9 #include <X11/Xutil.h>
10 #include "dat.h"
11 #include "fns.h"
12 
13 Client	*hiddenc[MAXHIDDEN];
14 
15 int	numhidden;
16 
17 char	*b3items[B3FIXED+MAXHIDDEN+1] =
18 {
19 	"New",
20 	"Reshape",
21 	"Move",
22 	"Delete",
23 	"Hide",
24 	0,
25 };
26 
27 Menu	b3menu =
28 {
29 	b3items,
30 };
31 
32 Menu	egg =
33 {
34 	version,
35 };
36 
37 void
38 button(XButtonEvent *e)
39 {
40 	int n, shift;
41 	Client *c;
42 	Window dw;
43 	ScreenInfo *s;
44 
45 	curtime = e->time;
46 	s = getscreen(e->root);
47 	if (s == 0)
48 		return;
49 	c = getclient(e->window, 0);
50 	if (c) {
51 		if (debug) fprintf(stderr, "but: e x=%d y=%d c x=%d y=%d dx=%d dy=%d BORDR %d\n",
52 				e->x, e->y, c->x, c->y, c->dx, c->dy, BORDER);
53 	    if (e->x <= BORDER || e->x > (c->dx + BORDER) ||
54 	        e->y <= BORDER || e->y > (c->dy + BORDER)) {
55 			switch (e->button) {
56 			case Button1:
57 			case Button2:
58 				reshape(c, e->button, pull, e);
59 				return;
60 			case Button3:
61 				move(c, Button3);
62 				return;
63 			default:
64 				return;
65 			}
66 	    }
67 		e->x += c->x - BORDER;
68 		e->y += c->y - BORDER;
69 	}
70 	else if (e->window != e->root) {
71 		if (debug) fprintf(stderr, "but no client: e x=%d y=%d\n",
72 				e->x, e->y);
73 		XTranslateCoordinates(dpy, e->window, s->root, e->x, e->y,
74 				&e->x, &e->y, &dw);
75 	}		
76 	switch (e->button) {
77 	case Button1:
78 		if (c) {
79 			XMapRaised(dpy, c->parent);
80 			top(c);
81 			active(c);
82 		}
83 		return;
84 	case Button2:
85 		if ((e->state&(ShiftMask|ControlMask))==(ShiftMask|ControlMask))
86 			menuhit(e, &egg);
87 		return;
88 	default:
89 		return;
90 	case Button3:
91 		break;
92 	}
93 
94 	if (current && current->screen == s)
95 		cmapnofocus(s);
96 	switch (n = menuhit(e, &b3menu)) {
97 	case 0: 	/* New */
98 		spawn(s);
99 		break;
100 	case 1: 	/* Reshape */
101 		reshape(selectwin(1, 0, s), Button3, sweep, 0);
102 		break;
103 	case 2: 	/* Move */
104 		move(selectwin(0, 0, s), Button3);
105 		break;
106 	case 3: 	/* Delete */
107 		shift = 0;
108 		c = selectwin(1, &shift, s);
109 		delete(c, shift);
110 		break;
111 	case 4: 	/* Hide */
112 		hide(selectwin(1, 0, s));
113 		break;
114 	default:	/* unhide window */
115 		unhide(n - B3FIXED, 1);
116 		break;
117 	case -1:	/* nothing */
118 		break;
119 	}
120 	if (current && current->screen == s)
121 		cmapfocus(current);
122 }
123 
124 void
125 spawn(ScreenInfo *s)
126 {
127 	/*
128 	 * ugly dance to cause sweeping for terminals.
129 	 * the very next window created will require sweeping.
130 	 * hope it's created by the program we're about to
131 	 * exec!
132 	 */
133 	isNew = 1;
134 	/*
135 	 * ugly dance to avoid leaving zombies.  Could use SIGCHLD,
136 	 * but it's not very portable.
137 	 */
138 	if (fork() == 0) {
139 		if (fork() == 0) {
140 			close(ConnectionNumber(dpy));
141 			if (s->display[0] != '\0')
142 				putenv(s->display);
143 			if (termprog != NULL) {
144 				execl(shell, shell, "-c", termprog, 0);
145 				fprintf(stderr, "9wm: exec %s", shell);
146 				perror(" failed");
147 			}
148 			execlp("9term", "9term", "-w", 0);
149 			execlp("xterm", "xterm", "-ut", 0);
150 			perror("9wm: exec 9term/xterm failed");
151 			exit(1);
152 		}
153 		exit(0);
154 	}
155 	wait((int *) 0);
156 }
157 
158 void
159 reshape(Client *c, int but, int (*fn)(Client*, int, XButtonEvent *), XButtonEvent *e)
160 {
161 	int odx, ody;
162 
163 	if (c == 0)
164 		return;
165 	odx = c->dx;
166 	ody = c->dy;
167 	if (fn(c, but, e) == 0)
168 		return;
169 	active(c);
170 	top(c);
171 	XRaiseWindow(dpy, c->parent);
172 	XMoveResizeWindow(dpy, c->parent, c->x-BORDER, c->y-BORDER,
173 					c->dx+2*BORDER, c->dy+2*BORDER);
174 	if (c->dx == odx && c->dy == ody)
175 		sendconfig(c);
176 	else
177 		XMoveResizeWindow(dpy, c->window, BORDER, BORDER, c->dx, c->dy);
178 }
179 
180 void
181 move(Client *c, int but)
182 {
183 	if (c == 0)
184 		return;
185 	if (drag(c, but) == 0)
186 		return;
187 	active(c);
188 	top(c);
189 	XRaiseWindow(dpy, c->parent);
190 	XMoveWindow(dpy, c->parent, c->x-BORDER, c->y-BORDER);
191 	sendconfig(c);
192 }
193 
194 void
195 delete(Client *c, int shift)
196 {
197 	if (c == 0)
198 		return;
199 	if ((c->proto & Pdelete) && !shift)
200 		sendcmessage(c->window, wm_protocols, wm_delete, 0);
201 	else
202 		XKillClient(dpy, c->window);		/* let event clean up */
203 }
204 
205 void
206 hide(Client *c)
207 {
208 	if (c == 0 || numhidden == MAXHIDDEN)
209 		return;
210 	if (hidden(c)) {
211 		fprintf(stderr, "9wm: already hidden: %s\n", c->label);
212 		return;
213 	}
214 	XUnmapWindow(dpy, c->parent);
215 	XUnmapWindow(dpy, c->window);
216 	setstate(c, IconicState);
217 	if (c == current)
218 		nofocus();
219 	hiddenc[numhidden] = c;
220 	b3items[B3FIXED+numhidden] = c->label;
221 	numhidden++;
222 	b3items[B3FIXED+numhidden] = 0;
223 }
224 
225 void
226 unhide(int n, int map)
227 {
228 	Client *c;
229 	int i;
230 
231 	if (n >= numhidden) {
232 		fprintf(stderr, "9wm: unhide: n %d numhidden %d\n", n, numhidden);
233 		return;
234 	}
235 	c = hiddenc[n];
236 	if (!hidden(c)) {
237 		fprintf(stderr, "9wm: unhide: not hidden: %s(0x%x)\n",
238 			c->label, (int)c->window);
239 		return;
240 	}
241 
242 	if (map) {
243 		XMapWindow(dpy, c->window);
244 		XMapRaised(dpy, c->parent);
245 		setstate(c, NormalState);
246 		active(c);
247 		top(c);
248 	}
249 
250 	numhidden--;
251 	for (i = n; i < numhidden; i ++) {
252 		hiddenc[i] = hiddenc[i+1];
253 		b3items[B3FIXED+i] = b3items[B3FIXED+i+1];
254 	}
255 	b3items[B3FIXED+numhidden] = 0;
256 }
257 
258 void
259 unhidec(Client *c, int map)
260 {
261 	int i;
262 
263 	for (i = 0; i < numhidden; i++)
264 		if (c == hiddenc[i]) {
265 			unhide(i, map);
266 			return;
267 		}
268 	fprintf(stderr, "9wm: unhidec: not hidden: %s(0x%x)\n",
269 		c->label, (int)c->window);
270 }
271 
272 void
273 renamec(Client *c, char *name)
274 {
275 	int i;
276 
277 	if (name == 0)
278 		name = "???";
279 	c->label = name;
280 	if (!hidden(c))
281 		return;
282 	for (i = 0; i < numhidden; i++)
283 		if (c == hiddenc[i]) {
284 			b3items[B3FIXED+i] = name;
285 			return;
286 		}
287 }