tag.c

   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 */
  13 static Rule rule[] = {
  14         /* class                        instance        tags                                            isfloat */
  15         { "Firefox-bin",        "Gecko",        { [Twww] = "www" },                     False },
  16 };
  17
  18 /* extern */
  19
  20 /* CUSTOMIZE */
  21 char *tags[TLast] = {
  22         [Tscratch] = "scratch",
  23         [Tdev] = "dev",
  24         [Twww] = "www",
  25         [Twork] = "work",
  26 };
  27 void (*arrange)(Arg *) = dotile;
  28
  29 void
  30 appendtag(Arg *arg)
  31 {
  32         if(!sel)
  33                 return;
  34
  35         sel->tags[arg->i] = tags[arg->i];
  36         arrange(NULL);
  37 }
  38
  39 void
  40 dofloat(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, tsel))) {
  53                         higher(sel);
  54                         focus(sel);
  55                 }
  56         }
  57         drawall();
  58 }
  59
  60 void
  61 dotile(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, tsel))) {
 110                         higher(sel);
 111                         focus(sel);
 112                 }
 113         }
 114         drawall();
 115 }
 116
 117 Client *
 118 getnext(Client *c, unsigned int t)
 119 {
 120         for(; c && !c->tags[t]; c = c->next);
 121         return c;
 122 }
 123
 124 void
 125 heretag(Arg *arg)
 126 {
 127         int i;
 128         Client *c;
 129
 130         if(arg->i == tsel)
 131                 return;
 132
 133         if(!(c = getnext(clients, arg->i)))
 134                 return;
 135
 136         for(i = 0; i < TLast; i++)
 137                 c->tags[i] = NULL;
 138         c->tags[tsel] = tags[tsel];
 139         arrange(NULL);
 140         focus(c);
 141 }
 142
 143 void
 144 replacetag(Arg *arg)
 145 {
 146         int i;
 147         if(!sel)
 148                 return;
 149
 150         for(i = 0; i < TLast; i++)
 151                 sel->tags[i] = NULL;
 152         appendtag(arg);
 153 }
 154
 155 void
 156 settags(Client *c)
 157 {
 158         XClassHint ch;
 159         static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
 160         unsigned int i, j;
 161         Bool matched = False;
 162
 163         if(!len) {
 164                 c->tags[tsel] = tags[tsel];
 165                 return;
 166         }
 167
 168         if(XGetClassHint(dpy, c->win, &ch)) {
 169                 if(ch.res_class && ch.res_name) {
 170                         for(i = 0; i < len; i++)
 171                                 if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))
 172                                         && !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))
 173                                 {
 174                                         for(j = 0; j < TLast; j++)
 175                                                 c->tags[j] = rule[i].tags[j];
 176                                         c->isfloat = rule[i].isfloat;
 177                                         matched = True;
 178                                         break;
 179                                 }
 180                 }
 181                 if(ch.res_class)
 182                         XFree(ch.res_class);
 183                 if(ch.res_name)
 184                         XFree(ch.res_name);
 185         }
 186
 187         if(!matched)
 188                 c->tags[tsel] = tags[tsel];
 189 }
 190
 191 void
 192 view(Arg *arg)
 193 {
 194         tsel = arg->i;
 195         arrange(NULL);
 196         drawall();
 197 }