tag.c

   1 /* © 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
   2  * © 2006-2007 Sander van Dijk <a dot h dot vandijk at gmail dot com>
   3  * © 2007 Premysl Hruby <dfenze at gmail dot com>
   4  * © 2007 Szabolcs Nagy <nszabolcs at gmail dot com>
   5  * See LICENSE file for license details. */
   6 #include "dwm.h"
   7 #include <regex.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <X11/Xutil.h>
  11
  12 /* static */
  13
  14 typedef struct {
  15         const char *prop;
  16         const char *tags;
  17         Bool isfloating;
  18 } Rule;
  19
  20 typedef struct {
  21         regex_t *propregex;
  22         regex_t *tagregex;
  23 } Regs;
  24
  25 TAGS
  26 RULES
  27
  28 static Regs *regs = NULL;
  29 static unsigned int nrules = 0;
  30
  31 /* extern */
  32
  33 void
  34 compileregs(void) {
  35         unsigned int i;
  36         regex_t *reg;
  37
  38         if(regs)
  39                 return;
  40         nrules = sizeof rule / sizeof rule[0];
  41         regs = emallocz(nrules * sizeof(Regs));
  42         for(i = 0; i < nrules; i++) {
  43                 if(rule[i].prop) {
  44                         reg = emallocz(sizeof(regex_t));
  45                         if(regcomp(reg, rule[i].prop, REG_EXTENDED))
  46                                 free(reg);
  47                         else
  48                                 regs[i].propregex = reg;
  49                 }
  50                 if(rule[i].tags) {
  51                         reg = emallocz(sizeof(regex_t));
  52                         if(regcomp(reg, rule[i].tags, REG_EXTENDED))
  53                                 free(reg);
  54                         else
  55                                 regs[i].tagregex = reg;
  56                 }
  57         }
  58 }
  59
  60 Bool
  61 isvisible(Client *c) {
  62         unsigned int i;
  63
  64         for(i = 0; i < ntags; i++)
  65                 if(c->tags[i] && seltag[i])
  66                         return True;
  67         return False;
  68 }
  69
  70 void
  71 settags(Client *c, Client *trans) {
  72         char prop[512];
  73         unsigned int i, j;
  74         regmatch_t tmp;
  75         Bool matched = trans != NULL;
  76         XClassHint ch = { 0 };
  77
  78         if(matched)
  79                 for(i = 0; i < ntags; i++)
  80                         c->tags[i] = trans->tags[i];
  81         else {
  82                 XGetClassHint(dpy, c->win, &ch);
  83                 snprintf(prop, sizeof prop, "%s:%s:%s",
  84                                 ch.res_class ? ch.res_class : "",
  85                                 ch.res_name ? ch.res_name : "", c->name);
  86                 for(i = 0; i < nrules; i++)
  87                         if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
  88                                 c->isfloating = rule[i].isfloating;
  89                                 for(j = 0; regs[i].tagregex && j < ntags; j++) {
  90                                         if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
  91                                                 matched = True;
  92                                                 c->tags[j] = True;
  93                                         }
  94                                 }
  95                         }
  96                 if(ch.res_class)
  97                         XFree(ch.res_class);
  98                 if(ch.res_name)
  99                         XFree(ch.res_name);
 100         }
 101         if(!matched)
 102                 for(i = 0; i < ntags; i++)
 103                         c->tags[i] = seltag[i];
 104 }
 105
 106 void
 107 tag(const char *arg) {
 108         int i;
 109
 110         if(!sel)
 111                 return;
 112         for(i = 0; i < ntags; i++)
 113                 sel->tags[i] = arg == NULL;
 114         i = arg ? atoi(arg) : 0;
 115         if(i >= 0 && i < ntags)
 116                 sel->tags[i] = True;
 117         lt->arrange();
 118 }
 119
 120 void
 121 toggletag(const char *arg) {
 122         int i, j;
 123
 124         if(!sel)
 125                 return;
 126         i = arg ? atoi(arg) : 0;
 127         sel->tags[i] = !sel->tags[i];
 128         for(j = 0; j < ntags && !sel->tags[j]; j++);
 129         if(j == ntags)
 130                 sel->tags[i] = True;
 131         lt->arrange();
 132 }
 133
 134 void
 135 toggleview(const char *arg) {
 136         int i, j;
 137
 138         i = arg ? atoi(arg) : 0;
 139         seltag[i] = !seltag[i];
 140         for(j = 0; j < ntags && !seltag[j]; j++);
 141         if(j == ntags)
 142                 seltag[i] = True; /* cannot toggle last view */
 143         lt->arrange();
 144 }
 145
 146 void
 147 view(const char *arg) {
 148         int i;
 149
 150         for(i = 0; i < ntags; i++)
 151                 seltag[i] = arg == NULL;
 152         i = arg ? atoi(arg) : 0;
 153         if(i >= 0 && i < ntags)
 154                 seltag[i] = True;
 155         lt->arrange();
 156 }