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annotate tag.c @ 469:a2cc7adf9d4d

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improved intro comment in dwm.h, updated config.mk
author arg@mmvi
date Wed, 20 Sep 2006 09:40:35 +0200
parents 9d23330a5268
children be4f90c03582
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1 /*
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2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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3 * See LICENSE file for license details.
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4 */
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5 #include "dwm.h"
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6 #include <regex.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <sys/types.h>
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11 #include <X11/Xutil.h>
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12
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13
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14 typedef struct {
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15 const char *clpattern;
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16 const char *tpattern;
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17 Bool isfloat;
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18 } Rule;
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19
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20 typedef struct {
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21 regex_t *clregex;
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22 regex_t *tregex;
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23 } RReg;
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24
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25 /* static */
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26
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27 TAGS
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28 RULES
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29
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30 static RReg *rreg = NULL;
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31 static unsigned int len = 0;
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32
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33 /* extern */
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34
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35 Client *
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36 getnext(Client *c) {
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37 for(; c && !isvisible(c); c = c->next);
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38 return c;
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39 }
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40
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41 Client *
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42 getprev(Client *c) {
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43 for(; c && !isvisible(c); c = c->prev);
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44 return c;
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45 }
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46
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47 void
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48 initrregs() {
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49 unsigned int i;
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50 regex_t *reg;
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51
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52 if(rreg)
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53 return;
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54 len = sizeof(rule) / sizeof(rule[0]);
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55 rreg = emallocz(len * sizeof(RReg));
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56
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57 for(i = 0; i < len; i++) {
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58 if(rule[i].clpattern) {
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59 reg = emallocz(sizeof(regex_t));
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60 if(regcomp(reg, rule[i].clpattern, 0))
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61 free(reg);
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62 else
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63 rreg[i].clregex = reg;
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64 }
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65 if(rule[i].tpattern) {
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66 reg = emallocz(sizeof(regex_t));
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67 if(regcomp(reg, rule[i].tpattern, 0))
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68 free(reg);
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69 else
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70 rreg[i].tregex = reg;
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71 }
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72 }
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73 }
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74
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75 void
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76 settags(Client *c, Client *trans) {
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77 char prop[512];
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78 unsigned int i, j;
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79 regmatch_t tmp;
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80 Bool matched = trans != NULL;
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81 XClassHint ch;
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82
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83 if(matched) {
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84 for(i = 0; i < ntags; i++)
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85 c->tags[i] = trans->tags[i];
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86 }
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87 else if(XGetClassHint(dpy, c->win, &ch)) {
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88 snprintf(prop, sizeof(prop), "%s:%s:%s",
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89 ch.res_class ? ch.res_class : "",
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90 ch.res_name ? ch.res_name : "", c->name);
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91 for(i = 0; !matched && i < len; i++)
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92 if(rreg[i].clregex && !regexec(rreg[i].clregex, prop, 1, &tmp, 0)) {
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93 c->isfloat = rule[i].isfloat;
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94 for(j = 0; rreg[i].tregex && j < ntags; j++) {
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95 if(!regexec(rreg[i].tregex, tags[j], 1, &tmp, 0)) {
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96 matched = True;
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97 c->tags[j] = True;
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98 }
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99 }
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100 }
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101 if(ch.res_class)
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102 XFree(ch.res_class);
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103 if(ch.res_name)
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104 XFree(ch.res_name);
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105 }
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106 if(!matched)
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107 for(i = 0; i < ntags; i++)
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108 c->tags[i] = seltag[i];
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109 for(c->weight = 0; c->weight < ntags && !c->tags[c->weight]; c->weight++);
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110 }
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111
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112 void
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113 tag(Arg *arg) {
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114 unsigned int i;
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115
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116 if(!sel)
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117 return;
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118
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119 for(i = 0; i < ntags; i++)
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120 sel->tags[i] = False;
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121 sel->tags[arg->i] = True;
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122 sel->weight = arg->i;
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123 arrange(NULL);
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124 }
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125
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126 void
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127 toggletag(Arg *arg) {
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128 unsigned int i;
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129
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130 if(!sel)
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131 return;
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132
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133 sel->tags[arg->i] = !sel->tags[arg->i];
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134 for(i = 0; i < ntags && !sel->tags[i]; i++);
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135 if(i == ntags)
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136 sel->tags[arg->i] = True;
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137 sel->weight = (i == ntags) ? arg->i : i;
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138 arrange(NULL);
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139 }