From 01d09fa321fc9c5c411e8198a4a9799456001048 Mon Sep 17 00:00:00 2001
From: Niky Kovalski <nikykovalski@gmail.com>
Date: Wed, 16 Sep 2026 00:22:25 -0400
Subject: [PATCH] switchtotags-restore

- add switchtotags tags mask field to rule
- view switchtotags tags on matching window spawn
- save and restore viewed tags on window kill
---
 config.def.h |  6 +++---
 dwm.c        | 14 ++++++++++++++
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/config.def.h b/config.def.h
index 81c3fc0..c2cb5c1 100644
--- a/config.def.h
+++ b/config.def.h
@@ -26,9 +26,9 @@ static const Rule rules[] = {
 	 *	WM_CLASS(STRING) = instance, class
 	 *	WM_NAME(STRING) = title
 	 */
-	/* class      instance    title       tags mask     isfloating   monitor */
-	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+	/* class      instance    title       tags mask     switchtotags   isfloating   monitor */
+	{ "Gimp",     NULL,       NULL,       0,            0,             1,           -1 },
+	{ "Firefox",  NULL,       NULL,       1 << 8,       1 << 8,        0,           -1 },
 };
 
 /* layout(s) */
diff --git a/dwm.c b/dwm.c
index ab3a84c..071922a 100644
--- a/dwm.c
+++ b/dwm.c
@@ -91,6 +91,7 @@ struct Client {
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh, hintsvalid;
 	int bw, oldbw;
 	unsigned int tags;
+    unsigned int switchtotags;
 	int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
 	Client *next;
 	Client *snext;
@@ -136,6 +137,7 @@ typedef struct {
 	const char *instance;
 	const char *title;
 	unsigned int tags;
+    unsigned int switchtotags;
 	int isfloating;
 	int monitor;
 } Rule;
@@ -286,6 +288,7 @@ applyrules(Client *c)
 	/* rule matching */
 	c->isfloating = 0;
 	c->tags = 0;
+    c->switchtotags = 0;
 	XGetClassHint(dpy, c->win, &ch);
 	class    = ch.res_class ? ch.res_class : broken;
 	instance = ch.res_name  ? ch.res_name  : broken;
@@ -298,6 +301,7 @@ applyrules(Client *c)
 		{
 			c->isfloating = r->isfloating;
 			c->tags |= r->tags;
+            c->switchtotags |= r->switchtotags;
 			for (m = mons; m && m->num != r->monitor; m = m->next);
 			if (m)
 				c->mon = m;
@@ -308,6 +312,11 @@ applyrules(Client *c)
 	if (ch.res_name)
 		XFree(ch.res_name);
 	c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
+    if (c->switchtotags) {
+        Arg a = { .ui = c->switchtotags };
+        c->switchtotags = selmon->tagset[selmon->seltags];
+        view(&a);
+    }
 }
 
 int
@@ -1780,6 +1789,7 @@ unmanage(Client *c, int destroyed)
 {
 	Monitor *m = c->mon;
 	XWindowChanges wc;
+    unsigned int switchtotags = c->switchtotags;
 
 	detach(c);
 	detachstack(c);
@@ -1799,6 +1809,10 @@ unmanage(Client *c, int destroyed)
 	focus(NULL);
 	updateclientlist();
 	arrange(m);
+    if (switchtotags) {
+        Arg a = { .ui = switchtotags };
+        view(&a);
+    }
 }
 
 void
-- 
2.55.0