dwm-locklayout-6.2.diff

From 57ab331f1ef2d9724d48d75b1443d889323dbc3d Mon Sep 17 00:00:00 2001
From: Hilde N <snhilde@protonmail.com>
Date: Sat, 23 May 2020 21:34:12 -0400
Subject: [PATCH] allow tags to lock down their layout

---
 config.def.h |  8 ++++----
 dwm.c        | 14 +++++++++++++-
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/config.def.h b/config.def.h
index 1c0b587..160f484 100644
--- a/config.def.h
+++ b/config.def.h
@@ -37,10 +37,10 @@ static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 
 static const Layout layouts[] = {
-	/* symbol     arrange function */
-	{ "[]=",      tile },    /* first entry is default */
-	{ "><>",      NULL },    /* no layout function means floating behavior */
-	{ "[M]",      monocle },
+	/* symbol     arrange function   tag mask*/
+	{ "[]=",      tile,              0 },    /* first entry is default */
+	{ "><>",      NULL,              0 },    /* no layout function means floating behavior */
+	{ "[M]",      monocle,           0 },
 };
 
 /* key definitions */
diff --git a/dwm.c b/dwm.c
index 9fd0286..1783da0 100644
--- a/dwm.c
+++ b/dwm.c
@@ -109,6 +109,7 @@ typedef struct {
 typedef struct {
 	const char *symbol;
 	void (*arrange)(Monitor *);
+	unsigned int tags;
 } Layout;
 
 struct Monitor {
@@ -471,7 +472,7 @@ void
 cleanup(void)
 {
 	Arg a = {.ui = ~0};
-	Layout foo = { "", NULL };
+	Layout foo = { "", NULL, 0 };
 	Monitor *m;
 	size_t i;
 
@@ -2038,6 +2039,9 @@ updatewmhints(Client *c)
 void
 view(const Arg *arg)
 {
+	int i;
+	Arg tmparg;
+
 	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
@@ -2045,6 +2049,14 @@ view(const Arg *arg)
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
 	focus(NULL);
 	arrange(selmon);
+
+	for (i = 0; i < LENGTH(layouts); i++) {
+		if (selmon->tagset[selmon->seltags] & layouts[i].tags) {
+			tmparg.v = &layouts[i];
+			setlayout(&tmparg);
+			break;
+		}
+	}
 }
 
 Client *
-- 
2.26.2