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187 lines
3.5 KiB
187 lines
3.5 KiB
/* See LICENSE file for copyright and license details. */
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#include "dwm.h"
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#include <regex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <X11/Xatom.h>
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#include <X11/Xutil.h>
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/* static */
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typedef struct {
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const char *prop;
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const char *tags;
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Bool isfloating;
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} Rule;
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typedef struct {
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regex_t *propregex;
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regex_t *tagregex;
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} Regs;
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TAGS
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RULES
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static Regs *regs = NULL;
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static unsigned int nrules = 0;
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static char prop[512];
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static void
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persisttags(Client *c)
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{
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unsigned int i;
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for(i = 0; i < ntags && i < sizeof prop - 1; i++)
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prop[i] = c->tags[i] ? '+' : '-';
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prop[i] = '\0';
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XChangeProperty(dpy, c->win, dwmtags, XA_STRING, 8,
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PropModeReplace, (unsigned char *)prop, i);
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}
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/* extern */
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void
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compileregs(void) {
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unsigned int i;
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regex_t *reg;
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if(regs)
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return;
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nrules = sizeof rule / sizeof rule[0];
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regs = emallocz(nrules * sizeof(Regs));
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for(i = 0; i < nrules; i++) {
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if(rule[i].prop) {
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reg = emallocz(sizeof(regex_t));
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if(regcomp(reg, rule[i].prop, REG_EXTENDED))
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free(reg);
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else
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regs[i].propregex = reg;
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}
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if(rule[i].tags) {
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reg = emallocz(sizeof(regex_t));
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if(regcomp(reg, rule[i].tags, REG_EXTENDED))
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free(reg);
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else
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regs[i].tagregex = reg;
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}
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}
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}
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Bool
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isvisible(Client *c) {
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unsigned int i;
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for(i = 0; i < ntags; i++)
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if(c->tags[i] && seltag[i])
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return True;
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return False;
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}
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void
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settags(Client *c, Client *trans) {
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unsigned int i, j;
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regmatch_t tmp;
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Bool matched = trans != NULL;
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XClassHint ch = { 0 };
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XTextProperty name;
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if(matched) {
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for(i = 0; i < ntags; i++)
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c->tags[i] = trans->tags[i];
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}
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else {
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/* check if window has set a property */
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name.nitems = 0;
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XGetTextProperty(dpy, c->win, &name, dwmtags);
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if(name.nitems && name.encoding == XA_STRING) {
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strncpy(prop, (char *)name.value, sizeof prop - 1);
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prop[sizeof prop - 1] = '\0';
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XFree(name.value);
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for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
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if((c->tags[i] = prop[i] == '+'))
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matched = True;
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}
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}
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if(!matched) {
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/* rule matching */
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XGetClassHint(dpy, c->win, &ch);
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snprintf(prop, sizeof prop, "%s:%s:%s",
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ch.res_class ? ch.res_class : "",
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ch.res_name ? ch.res_name : "", c->name);
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for(i = 0; i < nrules; i++)
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if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
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c->isfloating = rule[i].isfloating;
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for(j = 0; regs[i].tagregex && j < ntags; j++) {
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if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
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matched = True;
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c->tags[j] = True;
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}
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}
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}
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if(ch.res_class)
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XFree(ch.res_class);
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if(ch.res_name)
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XFree(ch.res_name);
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}
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if(!matched)
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for(i = 0; i < ntags; i++)
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c->tags[i] = seltag[i];
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persisttags(c);
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}
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void
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tag(const char *arg) {
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int i;
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if(!sel)
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return;
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for(i = 0; i < ntags; i++)
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sel->tags[i] = arg == NULL;
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i = arg ? atoi(arg) : 0;
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if(i >= 0 && i < ntags)
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sel->tags[i] = True;
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if(sel)
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persisttags(sel);
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arrange();
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}
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void
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toggletag(const char *arg) {
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int i, j;
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if(!sel)
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return;
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i = arg ? atoi(arg) : 0;
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sel->tags[i] = !sel->tags[i];
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for(j = 0; j < ntags && !sel->tags[j]; j++);
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if(j == ntags)
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sel->tags[i] = True;
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if(sel)
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persisttags(sel);
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arrange();
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}
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void
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toggleview(const char *arg) {
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int i, j;
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i = arg ? atoi(arg) : 0;
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seltag[i] = !seltag[i];
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for(j = 0; j < ntags && !seltag[j]; j++);
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if(j == ntags)
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seltag[i] = True; /* cannot toggle last view */
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arrange();
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}
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void
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view(const char *arg) {
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int i;
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for(i = 0; i < ntags; i++)
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seltag[i] = arg == NULL;
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i = arg ? atoi(arg) : 0;
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if(i >= 0 && i < ntags)
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seltag[i] = True;
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arrange();
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}
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