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