From bf647ff2fdb11352ec0c6ccf04fa7bccfeb20e02 Mon Sep 17 00:00:00 2001
From: filip <“filip.rabiega@gmail.com”>
Date: Fri, 10 Oct 2025 09:29:02 +0200
Subject: added a program launcher

---
 dwm.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'dwm.c')

diff --git a/dwm.c b/dwm.c
index 12d0838..9599373 100644
--- a/dwm.c
+++ b/dwm.c
@@ -208,12 +208,14 @@ static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
 static void setfocus(Client *c);
 static void setfullscreen(Client *c, int fullscreen);
+static void setlasttag(int tagbit);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
 static void setup(void);
 static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
 static void spawn(const Arg *arg);
+static void spawndefault();
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
@@ -280,6 +282,9 @@ static Drw *drw;
 static Monitor *mons, *selmon;
 static Window root, wmcheckwin;
 
+static int lastchosentag[8];
+static int previouschosentag[8];
+
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
@@ -1526,6 +1531,24 @@ setfullscreen(Client *c, int fullscreen)
 	}
 }
 
+void
+setlasttag(int tagbit) {
+	const int mon = selmon->num;
+	if (tagbit > 0) {
+		int i = 1, pos = 0;
+		while (!(i & tagbit)) {
+			i = i << 1;
+			++pos;
+		}
+		previouschosentag[mon] = lastchosentag[mon];
+		lastchosentag[mon] = pos;
+	} else {
+		const int tempTag = lastchosentag[mon];
+		lastchosentag[mon] = previouschosentag[mon];
+		previouschosentag[mon] = tempTag;
+	}
+}
+
 void
 setlayout(const Arg *arg)
 {
@@ -1890,6 +1913,17 @@ altTabStart(const Arg *arg)
 	}
 }
 
+void
+spawndefault()
+{
+	const char *app = defaulttagapps[lastchosentag[selmon->num]];
+	if (app) {
+		const char *defaultcmd[] = {app, NULL};
+		Arg a = {.v = defaultcmd};
+		spawn(&a);
+	}
+}
+
 void
 tag(const Arg *arg)
 {
@@ -1990,6 +2024,7 @@ toggleview(const Arg *arg)
 
 	if (newtagset) {
 		selmon->tagset[selmon->seltags] = newtagset;
+		setlasttag(newtagset);
 		focus(NULL);
 		arrange(selmon);
 	}
@@ -2288,6 +2323,7 @@ view(const Arg *arg)
 {
 	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
+	setlasttag(arg->ui);
 	selmon->seltags ^= 1; /* toggle sel tagset */
 	if (arg->ui & TAGMASK)
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
-- 
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