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-rw-r--r--tag.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/tag.c b/tag.c
new file mode 100644
index 0000000..0861128
--- /dev/null
+++ b/tag.c
@@ -0,0 +1,171 @@
+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+
+#include "dwm.h"
+
+static Rule rule[] = {
+ /* class instance tags dofloat */
+ { "Firefox-bin", "Gecko", { [Twww] = "www" }, False },
+};
+
+void (*arrange)(Arg *) = dotile;
+
+Client *
+getnext(Client *c)
+{
+ for(; c && !c->tags[tsel]; c = c->next);
+ return c;
+}
+
+void
+settags(Client *c)
+{
+ XClassHint ch;
+ static unsigned int len = rule ? sizeof(rule) / sizeof(rule[0]) : 0;
+ unsigned int i, j;
+ Bool matched = False;
+
+ if(!len) {
+ c->tags[tsel] = tags[tsel];
+ return;
+ }
+
+ if(XGetClassHint(dpy, c->win, &ch)) {
+ if(ch.res_class && ch.res_name) {
+ for(i = 0; i < len; i++)
+ if(!strncmp(rule[i].class, ch.res_class, sizeof(rule[i].class))
+ && !strncmp(rule[i].instance, ch.res_name, sizeof(rule[i].instance)))
+ {
+ for(j = 0; j < TLast; j++)
+ c->tags[j] = rule[i].tags[j];
+ c->dofloat = rule[i].dofloat;
+ matched = True;
+ break;
+ }
+ }
+ if(ch.res_class)
+ XFree(ch.res_class);
+ if(ch.res_name)
+ XFree(ch.res_name);
+ }
+
+ if(!matched)
+ c->tags[tsel] = tags[tsel];
+}
+
+void
+view(Arg *arg)
+{
+ tsel = arg->i;
+ arrange(NULL);
+ drawall();
+}
+
+void
+dofloat(Arg *arg)
+{
+ Client *c;
+
+ arrange = dofloat;
+ for(c = clients; c; c = c->next) {
+ if(c->tags[tsel])
+ resize(c, True);
+ else
+ ban(c);
+ }
+ if(sel && !sel->tags[tsel]) {
+ if((sel = getnext(clients))) {
+ higher(sel);
+ focus(sel);
+ }
+ }
+ drawall();
+}
+
+void
+dotile(Arg *arg)
+{
+ Client *c;
+ int n, i, w, h;
+
+ w = sw - mw;
+ arrange = dotile;
+ for(n = 0, c = clients; c; c = c->next)
+ if(c->tags[tsel] && !c->dofloat)
+ 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->dofloat) {
+ higher(c);
+ resize(c, True);
+ 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 {
+ c->x = sx + mw;
+ c->y = sy + (i - 1) * h + bh;
+ c->w = w - 2 * c->border;
+ c->h = h - 2 * c->border;
+ }
+ resize(c, False);
+ i++;
+ }
+ else
+ ban(c);
+ }
+ if(!sel || (sel && !sel->tags[tsel])) {
+ if((sel = getnext(clients))) {
+ higher(sel);
+ focus(sel);
+ }
+ }
+ drawall();
+}
+
+void
+appendtag(Arg *arg)
+{
+ if(!sel)
+ return;
+
+ sel->tags[arg->i] = tags[arg->i];
+ arrange(NULL);
+}
+
+void
+replacetag(Arg *arg)
+{
+ int i;
+ if(!sel)
+ return;
+
+ for(i = 0; i < TLast; i++)
+ sel->tags[i] = NULL;
+ appendtag(arg);
+}
+