From 5ac7d0f954402a6942943d08821d5391d098677c Mon Sep 17 00:00:00 2001
From: Philip Wittamore <philip@wittamore.com>
Date: Wed, 21 May 2025 20:49:54 +0200
Subject: update

---
 dwm.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

(limited to 'dwm.c')

diff --git a/dwm.c b/dwm.c
index 4e19624..e6b653c 100644
--- a/dwm.c
+++ b/dwm.c
@@ -256,6 +256,8 @@ static void updatetitle(Client *c);
 static void updatewindowtype(Client *c);
 static void updatewmhints(Client *c);
 static void view(const Arg *arg);
+static void viewnext(const Arg *arg);
+static void viewprev(const Arg *arg);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
@@ -263,6 +265,10 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
 static void xrdb(const Arg *arg);
 static void zoom(const Arg *arg);
+static unsigned int nexttag(void);
+static unsigned int prevtag(void);
+static void tagtonext(const Arg *arg);
+static void tagtoprev(const Arg *arg);
 
 static pid_t getparentprocess(pid_t p);
 static int isdescprocess(pid_t p, pid_t c);
@@ -1349,6 +1355,13 @@ movemouse(const Arg *arg)
 	}
 }
 
+unsigned int
+nexttag(void)
+{
+	unsigned int seltag = selmon->tagset[selmon->seltags];
+	return seltag == (1 << (LENGTH(tags) - 1)) ? 1 : seltag << 1;
+}
+
 Client *
 nexttiled(Client *c)
 {
@@ -1365,6 +1378,13 @@ pop(Client *c)
 	arrange(c->mon);
 }
 
+unsigned int
+prevtag(void)
+{
+	unsigned int seltag = selmon->tagset[selmon->seltags];
+	return seltag == 1 ? (1 << (LENGTH(tags) - 1)) : seltag >> 1;
+}
+
 void
 propertynotify(XEvent *e)
 {
@@ -1863,6 +1883,32 @@ tagmon(const Arg *arg)
 	sendmon(selmon->sel, dirtomon(arg->i));
 }
 
+void
+tagtonext(const Arg *arg)
+{
+	unsigned int tmp;
+
+	if (selmon->sel == NULL)
+		return;
+
+	tmp = nexttag();
+	tag(&(const Arg){.ui = tmp });
+	view(&(const Arg){.ui = tmp });
+}
+
+void
+tagtoprev(const Arg *arg)
+{
+	unsigned int tmp;
+
+	if (selmon->sel == NULL)
+		return;
+
+	tmp = prevtag();
+	tag(&(const Arg){.ui = tmp });
+	view(&(const Arg){.ui = tmp });
+}
+
 void
 tile(Monitor *m)
 {
@@ -2388,6 +2434,18 @@ swallowingclient(Window w)
 	return NULL;
 }
 
+void
+viewnext(const Arg *arg)
+{
+	view(&(const Arg){.ui = nexttag()});
+}
+
+void
+viewprev(const Arg *arg)
+{
+	view(&(const Arg){.ui = prevtag()});
+}
+ 
 Client *
 wintoclient(Window w)
 {
-- 
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