From a5f4a24c2bc1a7097d0871e4e14e63f24ca0912d Mon Sep 17 00:00:00 2001
From: Saumit Dinesan <justsaumit@protonmail.com>
Date: Wed, 9 Mar 2022 15:16:07 +0530
Subject: Applied adjacenttag-skipvacant patch

---
 dwm.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

(limited to 'dwm.c')

diff --git a/dwm.c b/dwm.c
index 80639aa..20c2696 100644
--- a/dwm.c
+++ b/dwm.c
@@ -238,8 +238,10 @@ static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
 static void motionnotify(XEvent *e);
 static void movemouse(const Arg *arg);
+static unsigned int nexttag(void);
 static Client *nexttiled(Client *c);
 static void pop(Client *);
+static unsigned int prevtag(void);
 static void propertynotify(XEvent *e);
 static void quit(const Arg *arg);
 static Monitor *recttomon(int x, int y, int w, int h);
@@ -270,6 +272,8 @@ static void spawn(const Arg *arg);
 static Monitor *systraytomon(Monitor *m);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
+static void tagtonext(const Arg *arg);
+static void tagtoprev(const Arg *arg);
 static void tile(Monitor *);
 static void togglebar(const Arg *arg);
 static void togglefloating(const Arg *arg);
@@ -293,6 +297,8 @@ 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 Client *wintosystrayicon(Window w);
@@ -1480,6 +1486,29 @@ movemouse(const Arg *arg)
 	}
 }
 
+unsigned int
+nexttag(void)
+{
+	unsigned int seltag = selmon->tagset[selmon->seltags];
+	unsigned int usedtags = 0;
+	Client *c = selmon->clients;
+
+	if (!c)
+		return seltag;
+
+	/* skip vacant tags */
+	do {
+		usedtags |= c->tags;
+		c = c->next;
+	} while (c);
+
+	do {
+		seltag = seltag == (1 << (LENGTH(tags) - 1)) ? 1 : seltag << 1;
+	} while (!(seltag & usedtags));
+
+	return seltag;
+}
+
 Client *
 nexttiled(Client *c)
 {
@@ -1496,6 +1525,28 @@ pop(Client *c)
 	arrange(c->mon);
 }
 
+unsigned int
+prevtag(void)
+{
+	unsigned int seltag = selmon->tagset[selmon->seltags];
+	unsigned int usedtags = 0;
+	Client *c = selmon->clients;
+	if (!c)
+		return seltag;
+
+	/* skip vacant tags */
+	do {
+		usedtags |= c->tags;
+		c = c->next;
+	} while (c);
+
+	do {
+		seltag = seltag == 1 ? (1 << (LENGTH(tags) - 1)) : seltag >> 1;
+	} while (!(seltag & usedtags));
+
+	return seltag;
+}
+
 void
 propertynotify(XEvent *e)
 {
@@ -2052,6 +2103,36 @@ tagmon(const Arg *arg)
 	sendmon(selmon->sel, dirtomon(arg->i));
 }
 
+void
+tagtonext(const Arg *arg)
+{
+	unsigned int tmp;
+
+	if (selmon->sel == NULL)
+		return;
+
+	if ((tmp = nexttag()) == selmon->tagset[selmon->seltags])
+		return;
+
+	tag(&(const Arg){.ui = tmp });
+	view(&(const Arg){.ui = tmp });
+}
+
+void
+tagtoprev(const Arg *arg)
+{
+	unsigned int tmp;
+
+	if (selmon->sel == NULL)
+		return;
+
+	if ((tmp = prevtag()) == selmon->tagset[selmon->seltags])
+		return;
+
+	tag(&(const Arg){.ui = tmp });
+	view(&(const Arg){.ui = tmp });
+}
+
 void
 tile(Monitor *m)
 {
@@ -2733,6 +2814,18 @@ 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)
 {
-- 
cgit v1.2.3