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",        "firefox-bin",  { [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                 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
  62 void
  63 dotile(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
 126 Client *
 127 getnext(Client *c, unsigned int t)
 128 {
 129         for(; c && !c->tags[t]; c = c->next);
 130         return c;
 131 }
 132
 133 void
 134 heretag(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
 152 void
 153 replacetag(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
 164 void
 165 settags(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
 200 void
 201 view(Arg *arg)
 202 {
 203         tsel = arg->i;
 204         arrange(NULL);
 205         drawall();
 206 }