tag.c

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