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/********** CUSTOMIZE **********/
 11
 12char *tags[TLast] = {
 13	[Tscratch] = "scratch",
 14	[Tdev] = "dev",
 15	[Twww] = "www",
 16	[Twork] = "work",
 17};
 18
 19static Rule rule[] = {
 20	/* class			instance	tags						dofloat */
 21	{ "Firefox-bin",	"Gecko",	{ [Twww] = "www" },			False },
 22};
 23
 24/********** CUSTOMIZE **********/
 25
 26/* extern functions */
 27
 28void (*arrange)(Arg *) = dotile;
 29
 30void
 31appendtag(Arg *arg)
 32{
 33	if(!sel)
 34		return;
 35
 36	sel->tags[arg->i] = tags[arg->i];
 37	arrange(NULL);
 38}
 39
 40void
 41dofloat(Arg *arg)
 42{
 43	Client *c;
 44
 45	arrange = dofloat;
 46	for(c = clients; c; c = c->next) {
 47		if(c->tags[tsel])
 48			resize(c, True);
 49		else
 50			ban(c);
 51	}
 52	if(sel && !sel->tags[tsel]) {
 53		if((sel = getnext(clients))) {
 54			higher(sel);
 55			focus(sel);
 56		}
 57	}
 58	drawall();
 59}
 60
 61void
 62dotile(Arg *arg)
 63{
 64	Client *c;
 65	int n, i, w, h;
 66
 67	w = sw - mw;
 68	arrange = dotile;
 69	for(n = 0, c = clients; c; c = c->next)
 70		if(c->tags[tsel] && !c->dofloat)
 71			n++;
 72
 73	if(n > 1)
 74		h = (sh - bh) / (n - 1);
 75	else
 76		h = sh - bh;
 77
 78	for(i = 0, c = clients; c; c = c->next) {
 79		if(c->tags[tsel]) {
 80			if(c->dofloat) {
 81				higher(c);
 82				resize(c, True);
 83				continue;
 84			}
 85			if(n == 1) {
 86				c->x = sx;
 87				c->y = sy + bh;
 88				c->w = sw - 2 * c->border;
 89				c->h = sh - 2 * c->border - bh;
 90			}
 91			else if(i == 0) {
 92				c->x = sx;
 93				c->y = sy + bh;
 94				c->w = mw - 2 * c->border;
 95				c->h = sh - 2 * c->border - bh;
 96			}
 97			else {
 98				c->x = sx + mw;
 99				c->y = sy + (i - 1) * h + bh;
100				c->w = w - 2 * c->border;
101				c->h = h - 2 * c->border;
102			}
103			resize(c, False);
104			i++;
105		}
106		else
107			ban(c);
108	}
109	if(!sel || (sel && !sel->tags[tsel])) {
110		if((sel = getnext(clients))) {
111			higher(sel);
112			focus(sel);
113		}
114	}
115	drawall();
116}
117
118Client *
119getnext(Client *c)
120{
121	for(; c && !c->tags[tsel]; c = c->next);
122	return c;
123}
124
125void
126replacetag(Arg *arg)
127{
128	int i;
129	if(!sel)
130		return;
131
132	for(i = 0; i < TLast; i++)
133		sel->tags[i] = NULL;
134	appendtag(arg);
135}
136
137void
138settags(Client *c)
139{
140	XClassHint ch;
141	static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
142	unsigned int i, j;
143	Bool matched = False;
144
145	if(!len) {
146		c->tags[tsel] = tags[tsel];
147		return;
148	}
149
150	if(XGetClassHint(dpy, c->win, &ch)) {
151		if(ch.res_class && ch.res_name) {
152			for(i = 0; i < len; i++)
153				if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))
154					&& !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))
155				{
156					for(j = 0; j < TLast; j++)
157						c->tags[j] = rule[i].tags[j];
158					c->dofloat = rule[i].dofloat;
159					matched = True;
160					break;
161				}
162		}
163		if(ch.res_class)
164			XFree(ch.res_class);
165		if(ch.res_name)
166			XFree(ch.res_name);
167	}
168
169	if(!matched)
170		c->tags[tsel] = tags[tsel];
171}
172
173void
174view(Arg *arg)
175{
176	tsel = arg->i;
177	arrange(NULL);
178	drawall();
179}