1/*
  2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  3 * See LICENSE file for license details.
  4 */
  5#include "dwm.h"
  6
  7#include <string.h>
  8#include <X11/Xutil.h>
  9
 10/* static */
 11
 12/* CUSTOMIZE */ 
 13static Rule rule[] = {
 14	/* class			instance	tags						isfloat */
 15	{ "Firefox-bin",	"Gecko",	{ [Twww] = "www" },			False },
 16};
 17
 18/* extern */
 19
 20/* CUSTOMIZE */
 21char *tags[TLast] = {
 22	[Tscratch] = "scratch",
 23	[Tdev] = "dev",
 24	[Twww] = "www",
 25	[Twork] = "work",
 26};
 27void (*arrange)(Arg *) = dotile;
 28
 29void
 30appendtag(Arg *arg)
 31{
 32	if(!sel)
 33		return;
 34
 35	sel->tags[arg->i] = tags[arg->i];
 36	arrange(NULL);
 37}
 38
 39void
 40dofloat(Arg *arg)
 41{
 42	Client *c;
 43
 44	arrange = dofloat;
 45	for(c = clients; c; c = c->next) {
 46		if(c->tags[tsel])
 47			resize(c, True);
 48		else
 49			ban(c);
 50	}
 51	if(sel && !sel->tags[tsel]) {
 52		if((sel = getnext(clients))) {
 53			higher(sel);
 54			focus(sel);
 55		}
 56	}
 57	drawall();
 58}
 59
 60void
 61dotile(Arg *arg)
 62{
 63	Client *c;
 64	int n, i, w, h;
 65
 66	w = sw - mw;
 67	arrange = dotile;
 68	for(n = 0, c = clients; c; c = c->next)
 69		if(c->tags[tsel] && !c->isfloat)
 70			n++;
 71
 72	if(n > 1)
 73		h = (sh - bh) / (n - 1);
 74	else
 75		h = sh - bh;
 76
 77	for(i = 0, c = clients; c; c = c->next) {
 78		if(c->tags[tsel]) {
 79			if(c->isfloat) {
 80				higher(c);
 81				resize(c, True);
 82				continue;
 83			}
 84			if(n == 1) {
 85				c->x = sx;
 86				c->y = sy + bh;
 87				c->w = sw - 2 * c->border;
 88				c->h = sh - 2 * c->border - bh;
 89			}
 90			else if(i == 0) {
 91				c->x = sx;
 92				c->y = sy + bh;
 93				c->w = mw - 2 * c->border;
 94				c->h = sh - 2 * c->border - bh;
 95			}
 96			else {
 97				c->x = sx + mw;
 98				c->y = sy + (i - 1) * h + bh;
 99				c->w = w - 2 * c->border;
100				c->h = h - 2 * c->border;
101			}
102			resize(c, False);
103			i++;
104		}
105		else
106			ban(c);
107	}
108	if(!sel || (sel && !sel->tags[tsel])) {
109		if((sel = getnext(clients))) {
110			higher(sel);
111			focus(sel);
112		}
113	}
114	drawall();
115}
116
117Client *
118getnext(Client *c)
119{
120	for(; c && !c->tags[tsel]; c = c->next);
121	return c;
122}
123
124void
125replacetag(Arg *arg)
126{
127	int i;
128	if(!sel)
129		return;
130
131	for(i = 0; i < TLast; i++)
132		sel->tags[i] = NULL;
133	appendtag(arg);
134}
135
136void
137settags(Client *c)
138{
139	XClassHint ch;
140	static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
141	unsigned int i, j;
142	Bool matched = False;
143
144	if(!len) {
145		c->tags[tsel] = tags[tsel];
146		return;
147	}
148
149	if(XGetClassHint(dpy, c->win, &ch)) {
150		if(ch.res_class && ch.res_name) {
151			for(i = 0; i < len; i++)
152				if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))
153					&& !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))
154				{
155					for(j = 0; j < TLast; j++)
156						c->tags[j] = rule[i].tags[j];
157					c->isfloat = rule[i].isfloat;
158					matched = True;
159					break;
160				}
161		}
162		if(ch.res_class)
163			XFree(ch.res_class);
164		if(ch.res_name)
165			XFree(ch.res_name);
166	}
167
168	if(!matched)
169		c->tags[tsel] = tags[tsel];
170}
171
172void
173view(Arg *arg)
174{
175	tsel = arg->i;
176	arrange(NULL);
177	drawall();
178}