From 15e8116449d63e242c654f34632746b7b63fc737 Mon Sep 17 00:00:00 2001
From: elbachir-one <bachiralfa@gmail.com>
Date: Fri, 24 Jan 2025 02:31:52 +0100
Subject: [PATCH] Toggle the bar visibility on any monitor

---
 config.def.h |  8 ++++++--
 dwm.c        | 48 ++++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 48 insertions(+), 8 deletions(-)

diff --git a/config.def.h b/config.def.h
index 4412cb1..b01d5c9 100644
--- a/config.def.h
+++ b/config.def.h
@@ -5,6 +5,7 @@ static const unsigned int borderpx  = 1;        /* border pixel of windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;        /* 0 means no bar */
 static const int topbar             = 1;        /* 0 means bottom bar */
+static int barstate                 = 1 | 2;    /* the bar is on all monitors (1 and 2) */
 static const char *fonts[]          = { "monospace:size=10" };
 static const char dmenufont[]       = "monospace:size=10";
 static const char col_gray1[]       = "#222222";
@@ -64,11 +65,10 @@ static const Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
 	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
-	{ MODKEY,                       XK_b,      togglebar,      {0} },
 	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
 	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
 	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
-	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
+	{ MODKEY,                       XK_o,      incnmaster,     {.i = -1 } },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 	{ MODKEY,                       XK_Return, zoom,           {0} },
@@ -85,6 +85,10 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_period, focusmon,       {.i = +1 } },
 	{ MODKEY|ShiftMask,             XK_comma,  tagmon,         {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_period, tagmon,         {.i = +1 } },
+	{ MODKEY,                       XK_a,      togglebar,      {.ui = 0} },
+	{ MODKEY,                       XK_b,      togglebar,      {.ui = 1} },
+	{ MODKEY,                       XK_c,      togglebar,      {.ui = 2} },
+	{ MODKEY,                       XK_d,      togglebar,      {.ui = 4} },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
diff --git a/dwm.c b/dwm.c
index 1443802..2127dae 100644
--- a/dwm.c
+++ b/dwm.c
@@ -24,6 +24,7 @@
 #include <locale.h>
 #include <signal.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -1712,12 +1713,47 @@ tile(Monitor *m)
 }
 
 void
-togglebar(const Arg *arg)
-{
-	selmon->showbar = !selmon->showbar;
-	updatebarpos(selmon);
-	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
-	arrange(selmon);
+togglebar(const Arg *arg) {
+	Monitor *m;
+
+	switch (arg->ui) {
+		case 0:
+			barstate = 0;
+			break;
+		case 1:
+			barstate = 1;
+			break;
+		case 2:
+			barstate = 2;
+			break;
+		case 4:
+			barstate = 1 | 2;
+			break;
+		default:
+			barstate = (barstate == 0) ? (1 | 2) : 0;
+			break;
+	}
+
+	for (m = mons; m; m = m->next) {
+		if (barstate & 1 && m == mons) {
+			m->showbar = 1;
+		} else if (m == mons) {
+			m->showbar = 0;
+		}
+
+		if (barstate & 2 && m != mons) {
+			m->showbar = 1;
+		} else if (m != mons) {
+			m->showbar = 0;
+		}
+
+		updatebarpos(m);
+		if (m->barwin) {
+			XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
+		}
+	}
+
+	arrange(NULL);
 }
 
 void
-- 
2.48.1