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