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",	"firefox-bin",	{ [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		setgeom(c);
 47		if(c->tags[tsel]) {
 48			resize(c, True, TopLeft);
 49		}
 50		else
 51			ban(c);
 52	}
 53	if(sel && !sel->tags[tsel]) {
 54		if((sel = getnext(clients, tsel))) {
 55			higher(sel);
 56			focus(sel);
 57		}
 58	}
 59	drawall();
 60}
 61
 62void
 63dotile(Arg *arg)
 64{
 65	Client *c;
 66	int n, i, w, h;
 67
 68	w = sw - mw;
 69	arrange = dotile;
 70	for(n = 0, c = clients; c; c = c->next)
 71		if(c->tags[tsel] && !c->isfloat)
 72			n++;
 73
 74	if(n > 1)
 75		h = (sh - bh) / (n - 1);
 76	else
 77		h = sh - bh;
 78
 79	for(i = 0, c = clients; c; c = c->next) {
 80		setgeom(c);
 81		if(c->tags[tsel]) {
 82			if(c->isfloat) {
 83				higher(c);
 84				resize(c, True, TopLeft);
 85				continue;
 86			}
 87			if(n == 1) {
 88				*c->x = sx;
 89				*c->y = sy + bh;
 90				*c->w = sw - 2 * c->border;
 91				*c->h = sh - 2 * c->border - bh;
 92			}
 93			else if(i == 0) {
 94				*c->x = sx;
 95				*c->y = sy + bh;
 96				*c->w = mw - 2 * c->border;
 97				*c->h = sh - 2 * c->border - bh;
 98			}
 99			else if(h > bh) {
100				*c->x = sx + mw;
101				*c->y = sy + (i - 1) * h + bh;
102				*c->w = w - 2 * c->border;
103				*c->h = h - 2 * c->border;
104			}
105			else { /* fallback if h < bh */
106				*c->x = sx + mw;
107				*c->y = sy + bh;
108				*c->w = w - 2 * c->border;
109				*c->h = sh - 2 * c->border - bh;
110			}
111			resize(c, False, TopLeft);
112			i++;
113		}
114		else
115			ban(c);
116	}
117	if(!sel || (sel && !sel->tags[tsel])) {
118		if((sel = getnext(clients, tsel))) {
119			higher(sel);
120			focus(sel);
121		}
122	}
123	drawall();
124}
125
126Client *
127getnext(Client *c, unsigned int t)
128{
129	for(; c && !c->tags[t]; c = c->next);
130	return c;
131}
132
133void
134heretag(Arg *arg)
135{
136	int i;
137	Client *c;
138
139	if(arg->i == tsel)
140		return;
141
142	if(!(c = getnext(clients, arg->i)))
143		return;
144
145	for(i = 0; i < TLast; i++)
146		c->tags[i] = NULL;
147	c->tags[tsel] = tags[tsel];
148	pop(c);
149	focus(c);
150}
151
152void
153replacetag(Arg *arg)
154{
155	int i;
156	if(!sel)
157		return;
158
159	for(i = 0; i < TLast; i++)
160		sel->tags[i] = NULL;
161	appendtag(arg);
162}
163
164void
165settags(Client *c)
166{
167	XClassHint ch;
168	static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
169	unsigned int i, j;
170	Bool matched = False;
171
172	if(!len) {
173		c->tags[tsel] = tags[tsel];
174		return;
175	}
176
177	if(XGetClassHint(dpy, c->win, &ch)) {
178		if(ch.res_class && ch.res_name) {
179			for(i = 0; i < len; i++)
180				if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))
181					&& !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))
182				{
183					for(j = 0; j < TLast; j++)
184						c->tags[j] = rule[i].tags[j];
185					c->isfloat = rule[i].isfloat;
186					matched = True;
187					break;
188				}
189		}
190		if(ch.res_class)
191			XFree(ch.res_class);
192		if(ch.res_name)
193			XFree(ch.res_name);
194	}
195
196	if(!matched)
197		c->tags[tsel] = tags[tsel];
198}
199
200void
201view(Arg *arg)
202{
203	tsel = arg->i;
204	arrange(NULL);
205	drawall();
206}