1 038e9089 2004-03-21 devnull /* Copyright (c) 1994-1996 David Hogan, see README for licence details */
  2 038e9089 2004-03-21 devnull #include <stdio.h>
  3 e62ba5ec 2004-03-21 devnull #include <unistd.h>
  4 e62ba5ec 2004-03-21 devnull #include <stdlib.h>
  5 e62ba5ec 2004-03-21 devnull #include <string.h>
  6 038e9089 2004-03-21 devnull #include <X11/X.h>
  7 038e9089 2004-03-21 devnull #include <X11/Xlib.h>
  8 038e9089 2004-03-21 devnull #include <X11/Xutil.h>
  9 038e9089 2004-03-21 devnull #include "dat.h"
 10 038e9089 2004-03-21 devnull #include "fns.h"
 11 038e9089 2004-03-21 devnull 
 12 038e9089 2004-03-21 devnull Client	*clients;
 13 038e9089 2004-03-21 devnull Client	*current;
 14 038e9089 2004-03-21 devnull 
 15 038e9089 2004-03-21 devnull void
 16 038e9089 2004-03-21 devnull setactive(Client *c, int on)
 17 038e9089 2004-03-21 devnull {
 18 cbeb0b26 2006-04-01 devnull /*	dbg("setactive client %x %d", c->window, c->on); */
 19 ac33a34a 2005-07-13 devnull 
 20 ac33a34a 2005-07-13 devnull 	if(c->parent == c->screen->root)
 21 ac33a34a 2005-07-13 devnull 		return;
 22 fa325e9b 2020-01-10 cross 
 23 ac33a34a 2005-07-13 devnull 	if(on){
 24 038e9089 2004-03-21 devnull 		XUngrabButton(dpy, AnyButton, AnyModifier, c->parent);
 25 038e9089 2004-03-21 devnull 		XSetInputFocus(dpy, c->window, RevertToPointerRoot, timestamp());
 26 ac33a34a 2005-07-13 devnull 		if(c->proto & Ptakefocus)
 27 2c1b986e 2004-08-13 devnull 			sendcmessage(c->window, wm_protocols, wm_take_focus, 0, 1);
 28 038e9089 2004-03-21 devnull 		cmapfocus(c);
 29 ac33a34a 2005-07-13 devnull 	}else{
 30 ac33a34a 2005-07-13 devnull 		if(c->proto & Plosefocus)
 31 2c1b986e 2004-08-13 devnull 			sendcmessage(c->window, wm_protocols, wm_lose_focus, 0, 1);
 32 038e9089 2004-03-21 devnull 		XGrabButton(dpy, AnyButton, AnyModifier, c->parent, False,
 33 038e9089 2004-03-21 devnull 			ButtonMask, GrabModeAsync, GrabModeSync, None, None);
 34 c005568a 2004-03-30 devnull 	}
 35 038e9089 2004-03-21 devnull 	draw_border(c, on);
 36 038e9089 2004-03-21 devnull }
 37 038e9089 2004-03-21 devnull 
 38 038e9089 2004-03-21 devnull void
 39 038e9089 2004-03-21 devnull draw_border(Client *c, int active)
 40 038e9089 2004-03-21 devnull {
 41 038e9089 2004-03-21 devnull 	unsigned long pixel;
 42 038e9089 2004-03-21 devnull 
 43 038e9089 2004-03-21 devnull 	if(active){
 44 038e9089 2004-03-21 devnull 		if(c->hold)
 45 038e9089 2004-03-21 devnull 			pixel = c->screen->activeholdborder;
 46 038e9089 2004-03-21 devnull 		else
 47 038e9089 2004-03-21 devnull 			pixel = c->screen->activeborder;
 48 038e9089 2004-03-21 devnull 	}else{
 49 038e9089 2004-03-21 devnull 		if(c->hold)
 50 038e9089 2004-03-21 devnull 			pixel = c->screen->inactiveholdborder;
 51 038e9089 2004-03-21 devnull 		else
 52 038e9089 2004-03-21 devnull 			pixel = c->screen->inactiveborder;
 53 038e9089 2004-03-21 devnull 	}
 54 038e9089 2004-03-21 devnull 
 55 cbeb0b26 2006-04-01 devnull 	if(debug) fprintf(stderr, "draw_border %p pixel %ld active %d hold %d\n", (void*)c, pixel, active, c->hold);
 56 038e9089 2004-03-21 devnull 	XSetWindowBackground(dpy, c->parent, pixel);
 57 038e9089 2004-03-21 devnull 	XClearWindow(dpy, c->parent);
 58 038e9089 2004-03-21 devnull }
 59 038e9089 2004-03-21 devnull 
 60 038e9089 2004-03-21 devnull void
 61 038e9089 2004-03-21 devnull active(Client *c)
 62 038e9089 2004-03-21 devnull {
 63 038e9089 2004-03-21 devnull 	Client *cc;
 64 038e9089 2004-03-21 devnull 
 65 ac33a34a 2005-07-13 devnull 	if(c == 0){
 66 aa808685 2004-04-19 devnull 		fprintf(stderr, "rio: active(c==0)\n");
 67 038e9089 2004-03-21 devnull 		return;
 68 038e9089 2004-03-21 devnull 	}
 69 ac33a34a 2005-07-13 devnull 	if(c == current)
 70 038e9089 2004-03-21 devnull 		return;
 71 ac33a34a 2005-07-13 devnull 	if(current){
 72 038e9089 2004-03-21 devnull 		setactive(current, 0);
 73 ac33a34a 2005-07-13 devnull 		if(current->screen != c->screen)
 74 038e9089 2004-03-21 devnull 			cmapnofocus(current->screen);
 75 038e9089 2004-03-21 devnull 	}
 76 038e9089 2004-03-21 devnull 	setactive(c, 1);
 77 ac33a34a 2005-07-13 devnull 	for(cc = clients; cc; cc = cc->next)
 78 ac33a34a 2005-07-13 devnull 		if(cc->revert == c)
 79 038e9089 2004-03-21 devnull 			cc->revert = c->revert;
 80 038e9089 2004-03-21 devnull 	c->revert = current;
 81 ac33a34a 2005-07-13 devnull 	while(c->revert && !normal(c->revert))
 82 038e9089 2004-03-21 devnull 		c->revert = c->revert->revert;
 83 038e9089 2004-03-21 devnull 	current = c;
 84 038e9089 2004-03-21 devnull #ifdef	DEBUG
 85 ac33a34a 2005-07-13 devnull 	if(debug)
 86 038e9089 2004-03-21 devnull 		dump_revert();
 87 038e9089 2004-03-21 devnull #endif
 88 038e9089 2004-03-21 devnull }
 89 038e9089 2004-03-21 devnull 
 90 038e9089 2004-03-21 devnull void
 91 038e9089 2004-03-21 devnull nofocus(void)
 92 038e9089 2004-03-21 devnull {
 93 038e9089 2004-03-21 devnull 	static Window w = 0;
 94 038e9089 2004-03-21 devnull 	int mask;
 95 038e9089 2004-03-21 devnull 	XSetWindowAttributes attr;
 96 038e9089 2004-03-21 devnull 	Client *c;
 97 038e9089 2004-03-21 devnull 
 98 ac33a34a 2005-07-13 devnull 	if(current){
 99 038e9089 2004-03-21 devnull 		setactive(current, 0);
100 ac33a34a 2005-07-13 devnull 		for(c = current->revert; c; c = c->revert)
101 ac33a34a 2005-07-13 devnull 			if(normal(c)){
102 038e9089 2004-03-21 devnull 				active(c);
103 038e9089 2004-03-21 devnull 				return;
104 038e9089 2004-03-21 devnull 			}
105 038e9089 2004-03-21 devnull 		cmapnofocus(current->screen);
106 038e9089 2004-03-21 devnull 		/* if no candidates to revert to, fall through */
107 038e9089 2004-03-21 devnull 	}
108 038e9089 2004-03-21 devnull 	current = 0;
109 ac33a34a 2005-07-13 devnull 	if(w == 0){
110 c005568a 2004-03-30 devnull 		mask = CWOverrideRedirect/*|CWColormap*/;
111 038e9089 2004-03-21 devnull 		attr.override_redirect = 1;
112 c005568a 2004-03-30 devnull 		/* attr.colormap = screens[0].def_cmap;*/
113 038e9089 2004-03-21 devnull 		w = XCreateWindow(dpy, screens[0].root, 0, 0, 1, 1, 0,
114 c005568a 2004-03-30 devnull 			0 /*screens[0].depth*/, InputOnly, 	screens[0].vis, mask, &attr);
115 038e9089 2004-03-21 devnull 		XMapWindow(dpy, w);
116 038e9089 2004-03-21 devnull 	}
117 038e9089 2004-03-21 devnull 	XSetInputFocus(dpy, w, RevertToPointerRoot, timestamp());
118 038e9089 2004-03-21 devnull }
119 038e9089 2004-03-21 devnull 
120 038e9089 2004-03-21 devnull void
121 038e9089 2004-03-21 devnull top(Client *c)
122 038e9089 2004-03-21 devnull {
123 038e9089 2004-03-21 devnull 	Client **l, *cc;
124 038e9089 2004-03-21 devnull 
125 038e9089 2004-03-21 devnull 	l = &clients;
126 ac33a34a 2005-07-13 devnull 	for(cc = *l; cc; cc = *l){
127 ac33a34a 2005-07-13 devnull 		if(cc == c){
128 038e9089 2004-03-21 devnull 			*l = c->next;
129 038e9089 2004-03-21 devnull 			c->next = clients;
130 038e9089 2004-03-21 devnull 			clients = c;
131 038e9089 2004-03-21 devnull 			return;
132 038e9089 2004-03-21 devnull 		}
133 038e9089 2004-03-21 devnull 		l = &cc->next;
134 038e9089 2004-03-21 devnull 	}
135 cbeb0b26 2006-04-01 devnull 	fprintf(stderr, "rio: %p not on client list in top()\n", (void*)c);
136 038e9089 2004-03-21 devnull }
137 038e9089 2004-03-21 devnull 
138 038e9089 2004-03-21 devnull Client *
139 038e9089 2004-03-21 devnull getclient(Window w, int create)
140 038e9089 2004-03-21 devnull {
141 038e9089 2004-03-21 devnull 	Client *c;
142 038e9089 2004-03-21 devnull 
143 ac33a34a 2005-07-13 devnull 	if(w == 0 || getscreen(w))
144 038e9089 2004-03-21 devnull 		return 0;
145 038e9089 2004-03-21 devnull 
146 ac33a34a 2005-07-13 devnull 	for(c = clients; c; c = c->next)
147 ac33a34a 2005-07-13 devnull 		if(c->window == w || c->parent == w)
148 038e9089 2004-03-21 devnull 			return c;
149 038e9089 2004-03-21 devnull 
150 ac33a34a 2005-07-13 devnull 	if(!create)
151 038e9089 2004-03-21 devnull 		return 0;
152 038e9089 2004-03-21 devnull 
153 038e9089 2004-03-21 devnull 	c = (Client *)malloc(sizeof(Client));
154 ffbdd1aa 2022-09-12 crossd 	if (!c){
155 ffbdd1aa 2022-09-12 crossd 		fprintf(stderr, "rio: Failed to allocate memory\n");
156 ffbdd1aa 2022-09-12 crossd 		exit(1);
157 ffbdd1aa 2022-09-12 crossd 	}
158 ffbdd1aa 2022-09-12 crossd 
159 038e9089 2004-03-21 devnull 	memset(c, 0, sizeof(Client));
160 038e9089 2004-03-21 devnull 	c->window = w;
161 038e9089 2004-03-21 devnull 	/* c->parent will be set by the caller */
162 038e9089 2004-03-21 devnull 	c->parent = None;
163 038e9089 2004-03-21 devnull 	c->reparenting = 0;
164 038e9089 2004-03-21 devnull 	c->state = WithdrawnState;
165 038e9089 2004-03-21 devnull 	c->init = 0;
166 038e9089 2004-03-21 devnull 	c->cmap = None;
167 038e9089 2004-03-21 devnull 	c->label = c->class = 0;
168 038e9089 2004-03-21 devnull 	c->revert = 0;
169 038e9089 2004-03-21 devnull 	c->is9term = 0;
170 038e9089 2004-03-21 devnull 	c->hold = 0;
171 038e9089 2004-03-21 devnull 	c->ncmapwins = 0;
172 038e9089 2004-03-21 devnull 	c->cmapwins = 0;
173 038e9089 2004-03-21 devnull 	c->wmcmaps = 0;
174 038e9089 2004-03-21 devnull 	c->next = clients;
175 3ddda821 2004-12-28 devnull 	c->virt = virt;
176 038e9089 2004-03-21 devnull 	clients = c;
177 038e9089 2004-03-21 devnull 	return c;
178 038e9089 2004-03-21 devnull }
179 038e9089 2004-03-21 devnull 
180 038e9089 2004-03-21 devnull void
181 038e9089 2004-03-21 devnull rmclient(Client *c)
182 038e9089 2004-03-21 devnull {
183 038e9089 2004-03-21 devnull 	Client *cc;
184 038e9089 2004-03-21 devnull 
185 ac33a34a 2005-07-13 devnull 	for(cc = current; cc && cc->revert; cc = cc->revert)
186 ac33a34a 2005-07-13 devnull 		if(cc->revert == c)
187 038e9089 2004-03-21 devnull 			cc->revert = cc->revert->revert;
188 038e9089 2004-03-21 devnull 
189 ac33a34a 2005-07-13 devnull 	if(c == clients)
190 038e9089 2004-03-21 devnull 		clients = c->next;
191 ac33a34a 2005-07-13 devnull 	for(cc = clients; cc && cc->next; cc = cc->next)
192 ac33a34a 2005-07-13 devnull 		if(cc->next == c)
193 038e9089 2004-03-21 devnull 			cc->next = cc->next->next;
194 038e9089 2004-03-21 devnull 
195 ac33a34a 2005-07-13 devnull 	if(hidden(c))
196 038e9089 2004-03-21 devnull 		unhidec(c, 0);
197 038e9089 2004-03-21 devnull 
198 ac33a34a 2005-07-13 devnull 	if(c->parent != c->screen->root)
199 038e9089 2004-03-21 devnull 		XDestroyWindow(dpy, c->parent);
200 038e9089 2004-03-21 devnull 
201 038e9089 2004-03-21 devnull 	c->parent = c->window = None;		/* paranoia */
202 ac33a34a 2005-07-13 devnull 	if(current == c){
203 038e9089 2004-03-21 devnull 		current = c->revert;
204 ac33a34a 2005-07-13 devnull 		if(current == 0)
205 038e9089 2004-03-21 devnull 			nofocus();
206 038e9089 2004-03-21 devnull 		else {
207 ac33a34a 2005-07-13 devnull 			if(current->screen != c->screen)
208 038e9089 2004-03-21 devnull 				cmapnofocus(c->screen);
209 038e9089 2004-03-21 devnull 			setactive(current, 1);
210 038e9089 2004-03-21 devnull 		}
211 038e9089 2004-03-21 devnull 	}
212 ac33a34a 2005-07-13 devnull 	if(c->ncmapwins != 0){
213 038e9089 2004-03-21 devnull 		XFree((char *)c->cmapwins);
214 038e9089 2004-03-21 devnull 		free((char *)c->wmcmaps);
215 038e9089 2004-03-21 devnull 	}
216 ac33a34a 2005-07-13 devnull 	if(c->iconname != 0)
217 038e9089 2004-03-21 devnull 		XFree((char*) c->iconname);
218 ac33a34a 2005-07-13 devnull 	if(c->name != 0)
219 038e9089 2004-03-21 devnull 		XFree((char*) c->name);
220 ac33a34a 2005-07-13 devnull 	if(c->instance != 0)
221 038e9089 2004-03-21 devnull 		XFree((char*) c->instance);
222 ac33a34a 2005-07-13 devnull 	if(c->class != 0)
223 038e9089 2004-03-21 devnull 		XFree((char*) c->class);
224 038e9089 2004-03-21 devnull 	memset(c, 0, sizeof(Client));		/* paranoia */
225 038e9089 2004-03-21 devnull 	free(c);
226 038e9089 2004-03-21 devnull }
227 038e9089 2004-03-21 devnull 
228 038e9089 2004-03-21 devnull #ifdef	DEBUG
229 038e9089 2004-03-21 devnull void
230 038e9089 2004-03-21 devnull dump_revert(void)
231 038e9089 2004-03-21 devnull {
232 038e9089 2004-03-21 devnull 	Client *c;
233 038e9089 2004-03-21 devnull 	int i;
234 038e9089 2004-03-21 devnull 
235 038e9089 2004-03-21 devnull 	i = 0;
236 ac33a34a 2005-07-13 devnull 	for(c = current; c; c = c->revert){
237 cbeb0b26 2006-04-01 devnull 		fprintf(stderr, "%s(%x:%d)", c->label ? c->label : "?", (int)c->window, c->state);
238 ac33a34a 2005-07-13 devnull 		if(i++ > 100)
239 038e9089 2004-03-21 devnull 			break;
240 ac33a34a 2005-07-13 devnull 		if(c->revert)
241 038e9089 2004-03-21 devnull 			fprintf(stderr, " -> ");
242 038e9089 2004-03-21 devnull 	}
243 ac33a34a 2005-07-13 devnull 	if(current == 0)
244 038e9089 2004-03-21 devnull 		fprintf(stderr, "empty");
245 038e9089 2004-03-21 devnull 	fprintf(stderr, "\n");
246 038e9089 2004-03-21 devnull }
247 038e9089 2004-03-21 devnull 
248 038e9089 2004-03-21 devnull void
249 038e9089 2004-03-21 devnull dump_clients(void)
250 038e9089 2004-03-21 devnull {
251 038e9089 2004-03-21 devnull 	Client *c;
252 038e9089 2004-03-21 devnull 
253 ac33a34a 2005-07-13 devnull 	for(c = clients; c; c = c->next)
254 cbeb0b26 2006-04-01 devnull 		fprintf(stderr, "w 0x%x parent 0x%x @ (%d, %d)\n", (int)c->window, (int)c->parent, c->x, c->y);
255 038e9089 2004-03-21 devnull }
256 038e9089 2004-03-21 devnull #endif
257 ac33a34a 2005-07-13 devnull 
258 ac33a34a 2005-07-13 devnull void
259 ac33a34a 2005-07-13 devnull shuffle(int up)
260 ac33a34a 2005-07-13 devnull {
261 ac33a34a 2005-07-13 devnull 	Client **l, *c;
262 fa325e9b 2020-01-10 cross 
263 ac33a34a 2005-07-13 devnull 	if(clients == 0 || clients->next == 0)
264 ac33a34a 2005-07-13 devnull 		return;
265 c4da6427 2010-02-19 rsc 	if(!up){
266 c4da6427 2010-02-19 rsc 		c = 0;
267 cbeb0b26 2006-04-01 devnull 		/*for(c=clients; c->next; c=c->next) */
268 cbeb0b26 2006-04-01 devnull 		/*	; */
269 ac33a34a 2005-07-13 devnull 		for(l=&clients; (*l)->next; l=&(*l)->next)
270 c4da6427 2010-02-19 rsc 			if ((*l)->state == 1)
271 c4da6427 2010-02-19 rsc 				c = *l;
272 c4da6427 2010-02-19 rsc 		if (c == 0)
273 c4da6427 2010-02-19 rsc 			return;
274 ac33a34a 2005-07-13 devnull 		XMapRaised(dpy, c->parent);
275 ac33a34a 2005-07-13 devnull 		top(c);
276 ac33a34a 2005-07-13 devnull 		active(c);
277 ac33a34a 2005-07-13 devnull 	}else{
278 ac33a34a 2005-07-13 devnull 		c = clients;
279 ac33a34a 2005-07-13 devnull 		for(l=&clients; *l; l=&(*l)->next)
280 ac33a34a 2005-07-13 devnull 			;
281 ac33a34a 2005-07-13 devnull 		clients = c->next;
282 ac33a34a 2005-07-13 devnull 		*l = c;
283 ac33a34a 2005-07-13 devnull 		c->next = 0;
284 ac33a34a 2005-07-13 devnull 		XLowerWindow(dpy, c->window);
285 ac33a34a 2005-07-13 devnull 	}
286 cbeb0b26 2006-04-01 devnull /*	XMapRaised(dpy, clients->parent); */
287 cbeb0b26 2006-04-01 devnull /*	top(clients);	 */
288 cbeb0b26 2006-04-01 devnull /*	active(clients); */
289 ac33a34a 2005-07-13 devnull }