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annotate tag.c @ 711:b40134b93de3

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I think this is the best solution of multihead support
author Anselm R. Garbe <arg@suckless.org>
date Tue, 23 Jan 2007 11:49:16 +0100
parents 1ed8c40dde36
children 39b941868ce3
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1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
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2 * See LICENSE file for license details.
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3 */
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4 #include "dwm.h"
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5 #include <regex.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <sys/types.h>
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10 #include <X11/Xutil.h>
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11
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12
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13 typedef struct {
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14 const char *clpattern;
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15 const char *tpattern;
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16 Bool isfloat;
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17 } Rule;
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18
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19 typedef struct {
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20 regex_t *clregex;
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21 regex_t *tregex;
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22 } RReg;
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23
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24 /* static */
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25
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26 TAGS
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27 RULES
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28
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29 static RReg *rreg = NULL;
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30 static unsigned int len = 0;
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31
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32 /* extern */
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33
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34 Client *
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35 getnext(Client *c) {
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36 for(; c && !isvisible(c); c = c->next);
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37 return c;
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38 }
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39
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40 Client *
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41 getprev(Client *c) {
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42 for(; c && !isvisible(c); c = c->prev);
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43 return c;
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44 }
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45
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46 void
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47 initrregs(void) {
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48 unsigned int i;
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49 regex_t *reg;
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50
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51 if(rreg)
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52 return;
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53 len = sizeof rule / sizeof rule[0];
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54 rreg = emallocz(len * sizeof(RReg));
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55 for(i = 0; i < len; i++) {
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56 if(rule[i].clpattern) {
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57 reg = emallocz(sizeof(regex_t));
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58 if(regcomp(reg, rule[i].clpattern, REG_EXTENDED))
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59 free(reg);
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60 else
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61 rreg[i].clregex = reg;
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62 }
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63 if(rule[i].tpattern) {
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64 reg = emallocz(sizeof(regex_t));
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65 if(regcomp(reg, rule[i].tpattern, REG_EXTENDED))
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66 free(reg);
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67 else
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68 rreg[i].tregex = reg;
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69 }
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70 }
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71 }
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72
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73 void
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74 settags(Client *c, Client *trans) {
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75 char prop[512];
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76 unsigned int i, j;
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77 regmatch_t tmp;
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78 Bool matched = trans != NULL;
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79 XClassHint ch;
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80
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81 if(matched) {
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82 for(i = 0; i < ntags; i++)
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83 c->tags[i] = trans->tags[i];
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84 }
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85 else if(XGetClassHint(dpy, c->win, &ch)) {
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86 snprintf(prop, sizeof prop, "%s:%s:%s",
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87 ch.res_class ? ch.res_class : "",
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88 ch.res_name ? ch.res_name : "", c->name);
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89 for(i = 0; i < len; i++)
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90 if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
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91 c->isfloat = rule[i].isfloat;
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92 for(j = 0; rreg[i].tregex && j < ntags; j++) {
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93 if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
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94 matched = True;
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95 c->tags[j] = True;
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96 }
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97 }
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98 }
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99 if(ch.res_class)
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100 XFree(ch.res_class);
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101 if(ch.res_name)
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102 XFree(ch.res_name);
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103 }
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104 if(!matched)
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105 for(i = 0; i < ntags; i++)
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106 c->tags[i] = seltag[i];
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107 }
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108
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109 void
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110 tag(Arg *arg) {
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111 unsigned int i;
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112
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113 if(!sel)
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114 return;
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115 for(i = 0; i < ntags; i++)
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116 sel->tags[i] = (arg->i == -1) ? True : False;
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117 if(arg->i >= 0 && arg->i < ntags)
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118 sel->tags[arg->i] = True;
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119 arrange();
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120 }
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121
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122 void
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123 toggletag(Arg *arg) {
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124 unsigned int i;
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125
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126 if(!sel)
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127 return;
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128 sel->tags[arg->i] = !sel->tags[arg->i];
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129 for(i = 0; i < ntags && !sel->tags[i]; i++);
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130 if(i == ntags)
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131 sel->tags[arg->i] = True;
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132 arrange();
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133 }