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[dwm.git] / tag.c
diff --git a/tag.c b/tag.c
index 186a5ae..cb1a2c4 100644 (file)
--- a/tag.c
+++ b/tag.c
@@ -1,221 +1,200 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
+/* See LICENSE file for copyright and license details. */
 #include "dwm.h"
 #include "dwm.h"
-
 #include <regex.h>
 #include <stdio.h>
 #include <regex.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <string.h>
-#include <sys/types.h>
+#include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
 /* static */
 
 typedef struct {
 #include <X11/Xutil.h>
 
 /* static */
 
 typedef struct {
-       const char *pattern;
-       char *tags[TLast];
-       Bool isfloat;
+       const char *prop;
+       const char *tags;
+       Bool isfloating;
 } Rule;
 
 } Rule;
 
-/* CUSTOMIZE */ 
-static Rule rule[] = {
-       /* class:instance       tags                            isfloat */
-       { "Firefox.*",          { [Twww] = "www" },             False },
-       { "Gimp.*",             { 0 },                          True},
-};
+typedef struct {
+       regex_t *propregex;
+       regex_t *tagregex;
+} Regs;
+
+TAGS
+RULES
+
+static Regs *regs = NULL;
+static unsigned int nrules = 0;
+static char prop[512];
+
+static void
+persistconfig(Client *c) {
+       unsigned int i;
+
+       for(i = 0; i < ntags && i < sizeof prop - 1; i++)
+               prop[i] = c->tags[i] ? '1' : '0';
+       if(i < sizeof prop - 1)
+               prop[i++] = c->isfloating ? '1' : '0';
+       prop[i] = '\0';
+       XChangeProperty(dpy, c->win, dwmconfig, XA_STRING, 8,
+                       PropModeReplace, (unsigned char *)prop, i);
+}
 
 /* extern */
 
 
 /* extern */
 
-/* CUSTOMIZE */
-char *tags[TLast] = {
-       [Tscratch] = "scratch",
-       [Tdev] = "dev",
-       [Twww] = "www",
-       [Twork] = "work",
-};
-void (*arrange)(Arg *) = dotile;
-
 void
 void
-appendtag(Arg *arg)
-{
-       if(!sel)
-               return;
-
-       sel->tags[arg->i] = tags[arg->i];
-       arrange(NULL);
-}
+compileregs(void) {
+       unsigned int i;
+       regex_t *reg;
 
 
-void
-dofloat(Arg *arg)
-{
-       Client *c;
-
-       arrange = dofloat;
-       for(c = clients; c; c = c->next) {
-               if(c->tags[tsel]) {
-                       resize(c, True, TopLeft);
+       if(regs)
+               return;
+       nrules = sizeof rule / sizeof rule[0];
+       regs = emallocz(nrules * sizeof(Regs));
+       for(i = 0; i < nrules; i++) {
+               if(rule[i].prop) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].prop, REG_EXTENDED))
+                               free(reg);
+                       else
+                               regs[i].propregex = reg;
                }
                }
-               else
-                       ban(c);
-       }
-       if(sel && !sel->tags[tsel]) {
-               if((sel = getnext(clients, tsel))) {
-                       higher(sel);
-                       focus(sel);
+               if(rule[i].tags) {
+                       reg = emallocz(sizeof(regex_t));
+                       if(regcomp(reg, rule[i].tags, REG_EXTENDED))
+                               free(reg);
+                       else
+                               regs[i].tagregex = reg;
                }
        }
                }
        }
-       drawall();
+}
+
+Bool
+isvisible(Client *c) {
+       unsigned int i;
+
+       for(i = 0; i < ntags; i++)
+               if(c->tags[i] && seltag[i])
+                       return True;
+       return False;
 }
 
 void
 }
 
 void
-dotile(Arg *arg)
-{
-       int n, i, w, h;
-       Client *c;
-
-       w = sw - mw;
-       arrange = dotile;
-       for(n = 0, c = clients; c; c = c->next)
-               if(c->tags[tsel] && !c->isfloat)
-                       n++;
-
-       if(n > 1)
-               h = (sh - bh) / (n - 1);
-       else
-               h = sh - bh;
-
-       for(i = 0, c = clients; c; c = c->next) {
-               if(c->tags[tsel]) {
-                       if(c->isfloat) {
-                               higher(c);
-                               resize(c, True, TopLeft);
-                               continue;
-                       }
-                       if(n == 1) {
-                               c->x = sx;
-                               c->y = sy + bh;
-                               c->w = sw - 2 * c->border;
-                               c->h = sh - 2 * c->border - bh;
-                       }
-                       else if(i == 0) {
-                               c->x = sx;
-                               c->y = sy + bh;
-                               c->w = mw - 2 * c->border;
-                               c->h = sh - 2 * c->border - bh;
-                       }
-                       else if(h > bh) {
-                               c->x = sx + mw;
-                               c->y = sy + (i - 1) * h + bh;
-                               c->w = w - 2 * c->border;
-                               c->h = h - 2 * c->border;
-                       }
-                       else { /* fallback if h < bh */
-                               c->x = sx + mw;
-                               c->y = sy + bh;
-                               c->w = w - 2 * c->border;
-                               c->h = sh - 2 * c->border - bh;
-                       }
-                       resize(c, False, TopLeft);
-                       i++;
-               }
-               else
-                       ban(c);
+settags(Client *c, Client *trans) {
+       unsigned int i, j;
+       regmatch_t tmp;
+       Bool matched = trans != NULL;
+       XClassHint ch = { 0 };
+       XTextProperty name;
+
+       if(matched) {
+               for(i = 0; i < ntags; i++)
+                       c->tags[i] = trans->tags[i];
        }
        }
-       if(!sel || (sel && !sel->tags[tsel])) {
-               if((sel = getnext(clients, tsel))) {
-                       higher(sel);
-                       focus(sel);
+       else {
+               /* check if window has set a property */
+               name.nitems = 0;
+               XGetTextProperty(dpy, c->win, &name, dwmconfig);
+               if(name.nitems && name.encoding == XA_STRING) {
+                       strncpy(prop, (char *)name.value, sizeof prop - 1);
+                       prop[sizeof prop - 1] = '\0';
+                       XFree(name.value);
+                       for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
+                               if((c->tags[i] = prop[i] == '1'))
+                                       matched = True;
+                       if(i < sizeof prop - 1 && prop[i] != '\0')
+                               c->isfloating = prop[i] == '1';
                }
        }
                }
        }
-       drawall();
-}
-
-Client *
-getnext(Client *c, unsigned int t)
-{
-       for(; c && !c->tags[t]; c = c->next);
-       return c;
+       if(!matched) {
+               /* rule matching */
+               XGetClassHint(dpy, c->win, &ch);
+               snprintf(prop, sizeof prop, "%s:%s:%s",
+                               ch.res_class ? ch.res_class : "",
+                               ch.res_name ? ch.res_name : "", c->name);
+               for(i = 0; i < nrules; i++)
+                       if(regs[i].propregex && !regexec(regs[i].propregex, prop, 1, &tmp, 0)) {
+                               c->isfloating = rule[i].isfloating;
+                               for(j = 0; regs[i].tagregex && j < ntags; j++) {
+                                       if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
+                                               matched = True;
+                                               c->tags[j] = True;
+                                       }
+                               }
+                       }
+               if(ch.res_class)
+                       XFree(ch.res_class);
+               if(ch.res_name)
+                       XFree(ch.res_name);
+       }
+       if(!matched)
+               for(i = 0; i < ntags; i++)
+                       c->tags[i] = seltag[i];
+       persistconfig(c);
 }
 
 void
 }
 
 void
-heretag(Arg *arg)
-{
+tag(const char *arg) {
        int i;
        int i;
-       Client *c;
 
 
-       if(arg->i == tsel)
+       if(!sel)
                return;
                return;
+       for(i = 0; i < ntags; i++)
+               sel->tags[i] = arg == NULL;
+       i = arg ? atoi(arg) : 0;
+       if(i >= 0 && i < ntags)
+               sel->tags[i] = True;
+       if(sel)
+               persistconfig(sel);
+       arrange();
+}
 
 
-       if(!(c = getnext(clients, arg->i)))
+void
+togglefloating(const char *arg) {
+       if(!sel || isfloating())
                return;
                return;
-
-       for(i = 0; i < TLast; i++)
-               c->tags[i] = NULL;
-       c->tags[tsel] = tags[tsel];
-       pop(c);
-       focus(c);
+       sel->isfloating = !sel->isfloating;
+       if(sel->isfloating)
+               resize(sel, sel->x, sel->y, sel->w, sel->h, True);
+       arrange();
 }
 
 void
 }
 
 void
-replacetag(Arg *arg)
-{
-       int i;
+toggletag(const char *arg) {
+       int i, j;
 
        if(!sel)
                return;
 
        if(!sel)
                return;
-
-       for(i = 0; i < TLast; i++)
-               sel->tags[i] = NULL;
-       appendtag(arg);
+       i = arg ? atoi(arg) : 0;
+       sel->tags[i] = !sel->tags[i];
+       for(j = 0; j < ntags && !sel->tags[j]; j++);
+       if(j == ntags)
+               sel->tags[i] = True;
+       if(sel)
+               persistconfig(sel);
+       arrange();
 }
 
 void
 }
 
 void
-settags(Client *c)
-{
-       char classinst[256];
-       static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
-       unsigned int i, j;
-       regex_t regex;
-       regmatch_t tmp;
-       Bool matched = False;
-       XClassHint ch;
-
-       if(!len) {
-               c->tags[tsel] = tags[tsel];
-               return;
-       }
-
-       if(XGetClassHint(dpy, c->win, &ch)) {
-               snprintf(classinst, sizeof(classinst), "%s:%s",
-                               ch.res_class ? ch.res_class : "",
-                               ch.res_name ? ch.res_name : "");
-               for(i = 0; !matched && i < len; i++) {
-                       if(!regcomp(&regex, rule[i].pattern, 0)) {
-                               if(!regexec(&regex, classinst, 1, &tmp, 0)) {
-                                       for(j = 0; j < TLast; j++) {
-                                               if(rule[i].tags[j])
-                                                       matched = True;
-                                               c->tags[j] = rule[i].tags[j];
-                                       }
-                                       c->isfloat = rule[i].isfloat;
-                               }
-                               regfree(&regex);
-                       }
-               }
-               if(ch.res_class)
-                       XFree(ch.res_class);
-               if(ch.res_name)
-                       XFree(ch.res_name);
-       }
-       if(!matched)
-               c->tags[tsel] = tags[tsel];
+toggleview(const char *arg) {
+       int i, j;
+
+       i = arg ? atoi(arg) : 0;
+       seltag[i] = !seltag[i];
+       for(j = 0; j < ntags && !seltag[j]; j++);
+       if(j == ntags)
+               seltag[i] = True; /* cannot toggle last view */
+       arrange();
 }
 
 void
 }
 
 void
-view(Arg *arg)
-{
-       tsel = arg->i;
-       arrange(NULL);
-       drawall();
+view(const char *arg) {
+       int i;
+
+       for(i = 0; i < ntags; i++)
+               seltag[i] = arg == NULL;
+       i = arg ? atoi(arg) : 0;
+       if(i >= 0 && i < ntags)
+               seltag[i] = True;
+       arrange();
 }
 }