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 <regex.h>
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <sys/types.h>
  11 #include <X11/Xutil.h>
  12
  13 /* static */
  14
  15 typedef struct {
  16         const char *pattern;
  17         char *tags[TLast];
  18         Bool isfloat;
  19 } Rule;
  20
  21 TAGS
  22 RULES
  23
  24 void (*arrange)(Arg *) = DEFMODE;
  25
  26 /* extern */
  27
  28 void
  29 appendtag(Arg *arg)
  30 {
  31         if(!sel)
  32                 return;
  33
  34         sel->tags[arg->i] = tags[arg->i];
  35         arrange(NULL);
  36 }
  37
  38 void
  39 dofloat(Arg *arg)
  40 {
  41         Client *c;
  42
  43         for(c = clients; c; c = c->next) {
  44                 c->ismax = False;
  45                 if(c->tags[tsel]) {
  46                         resize(c, True, TopLeft);
  47                 }
  48                 else
  49                         ban(c);
  50         }
  51         if(sel && !sel->tags[tsel]) {
  52                 if((sel = getnext(clients))) {
  53                         higher(sel);
  54                         focus(sel);
  55                 }
  56                 else
  57                         XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
  58         }
  59         drawall();
  60 }
  61
  62 void
  63 dotile(Arg *arg)
  64 {
  65         int n, i, w, h;
  66         Client *c;
  67
  68         w = sw - mw;
  69         for(n = 0, c = clients; c; c = c->next)
  70                 if(c->tags[tsel] && !c->isfloat)
  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                 c->ismax = False;
  80                 if(c->tags[tsel]) {
  81                         if(c->isfloat) {
  82                                 higher(c);
  83                                 resize(c, True, TopLeft);
  84                                 continue;
  85                         }
  86                         if(n == 1) {
  87                                 c->x = sx;
  88                                 c->y = sy + bh;
  89                                 c->w = sw - 2 * c->border;
  90                                 c->h = sh - 2 * c->border - bh;
  91                         }
  92                         else if(i == 0) {
  93                                 c->x = sx;
  94                                 c->y = sy + bh;
  95                                 c->w = mw - 2 * c->border;
  96                                 c->h = sh - 2 * c->border - bh;
  97                         }
  98                         else if(h > bh) {
  99                                 c->x = sx + mw;
 100                                 c->y = sy + (i - 1) * h + bh;
 101                                 c->w = w - 2 * c->border;
 102                                 c->h = h - 2 * c->border;
 103                         }
 104                         else { /* fallback if h < bh */
 105                                 c->x = sx + mw;
 106                                 c->y = sy + bh;
 107                                 c->w = w - 2 * c->border;
 108                                 c->h = sh - 2 * c->border - bh;
 109                         }
 110                         resize(c, False, TopLeft);
 111                         i++;
 112                 }
 113                 else
 114                         ban(c);
 115         }
 116         if(!sel || (sel && !sel->tags[tsel])) {
 117                 if((sel = getnext(clients))) {
 118                         higher(sel);
 119                         focus(sel);
 120                 }
 121                 else
 122                         XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
 123         }
 124         drawall();
 125 }
 126
 127 Client *
 128 getnext(Client *c)
 129 {
 130         for(; c && !c->tags[tsel]; c = c->next);
 131         return c;
 132 }
 133
 134 Client *
 135 getprev(Client *c)
 136 {
 137         for(; c && !c->tags[tsel]; c = c->prev);
 138         return c;
 139 }
 140
 141 void
 142 replacetag(Arg *arg)
 143 {
 144         int i;
 145
 146         if(!sel)
 147                 return;
 148
 149         for(i = 0; i < TLast; i++)
 150                 sel->tags[i] = NULL;
 151         appendtag(arg);
 152 }
 153
 154 void
 155 settags(Client *c)
 156 {
 157         char classinst[256];
 158         static unsigned int len = sizeof(rule) / sizeof(rule[0]);
 159         unsigned int i, j;
 160         regex_t regex;
 161         regmatch_t tmp;
 162         Bool matched = False;
 163         XClassHint ch;
 164
 165         if(XGetClassHint(dpy, c->win, &ch)) {
 166                 snprintf(classinst, sizeof(classinst), "%s:%s",
 167                                 ch.res_class ? ch.res_class : "",
 168                                 ch.res_name ? ch.res_name : "");
 169                 for(i = 0; !matched && i < len; i++) {
 170                         if(!regcomp(&regex, rule[i].pattern, 0)) {
 171                                 if(!regexec(&regex, classinst, 1, &tmp, 0)) {
 172                                         for(j = 0; j < TLast; j++) {
 173                                                 if(rule[i].tags[j])
 174                                                         matched = True;
 175                                                 c->tags[j] = rule[i].tags[j];
 176                                         }
 177                                         c->isfloat = rule[i].isfloat;
 178                                 }
 179                                 regfree(&regex);
 180                         }
 181                 }
 182                 if(ch.res_class)
 183                         XFree(ch.res_class);
 184                 if(ch.res_name)
 185                         XFree(ch.res_name);
 186         }
 187         if(!matched)
 188                 c->tags[tsel] = tags[tsel];
 189 }
 190
 191 void
 192 togglemode(Arg *arg)
 193 {
 194         arrange = arrange == dofloat ? dotile : dofloat;
 195         arrange(NULL);
 196 }
 197
 198 void
 199 view(Arg *arg)
 200 {
 201         tsel = arg->i;
 202         arrange(NULL);
 203         drawall();
 204 }
 205
 206 void
 207 viewnext(Arg *arg)
 208 {
 209         arg->i = (tsel < TLast-1) ? tsel+1 : 0;
 210         view(arg);
 211 }
 212
 213 void
 214 viewprev(Arg *arg)
 215 {
 216         arg->i = (tsel > 0) ? tsel-1 : TLast-1;
 217         view(arg);
 218 }