self restart

.gitignore

@@ -0,0 +1 @@
+.cache

compile_commands.json

@@ -0,0 +1,44 @@
+[
+  {
+    "arguments": [
+      "/nix/store/vh9fsdhgxcnab2qk7vdp2palkkn6j3cp-gcc-wrapper-13.3.0/bin/cc",
+      "-c",
+      "-std=c99",
+      "-pedantic",
+      "-Wall",
+      "-Wno-deprecated-declarations",
+      "-Os",
+      "-I/usr/X11R6/include",
+      "-I/usr/include/freetype2",
+      "-D_DEFAULT_SOURCE",
+      "-D_BSD_SOURCE",
+      "-D_XOPEN_SOURCE=700L",
+      "-DVERSION=\"6.5\"",
+      "-DXINERAMA",
+      "drw.c"
+    ],
+    "directory": "/home/ravenshade/Documents/projects/dwm",
+    "file": "/home/ravenshade/Documents/projects/dwm/drw.c"
+  },
+  {
+    "arguments": [
+      "/nix/store/vh9fsdhgxcnab2qk7vdp2palkkn6j3cp-gcc-wrapper-13.3.0/bin/cc",
+      "-c",
+      "-std=c99",
+      "-pedantic",
+      "-Wall",
+      "-Wno-deprecated-declarations",
+      "-Os",
+      "-I/usr/X11R6/include",
+      "-I/usr/include/freetype2",
+      "-D_DEFAULT_SOURCE",
+      "-D_BSD_SOURCE",
+      "-D_XOPEN_SOURCE=700L",
+      "-DVERSION=\"6.5\"",
+      "-DXINERAMA",
+      "dwm.c"
+    ],
+    "directory": "/home/ravenshade/Documents/projects/dwm",
+    "file": "/home/ravenshade/Documents/projects/dwm/dwm.c"
+  }
+]

config.def.h

@@ -1,21 +1,22 @@
 /* See LICENSE file for copyright and license details. */
 
 /* appearance */
-static const unsigned int borderpx  = 1;        /* border pixel of windows */
+static const unsigned int borderpx  = 0;        /* 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 const char *fonts[]          = { "monospace:size=10" };
+static const char *fonts[]          = { "JetBrainsMono Nerd Font:size=10" };
-static const char dmenufont[]       = "monospace:size=10";
+static const char dmenufont[]       = "JetBrainsMono Nerd Font:size=10";
-static const char col_gray1[]       = "#222222";
+static const char col_text[]        = "#e0def4";
-static const char col_gray2[]       = "#444444";
+static const char col_subtle[]      = "#908caa";
-static const char col_gray3[]       = "#bbbbbb";
+static const char col_muted[]       = "#6e6a86";
-static const char col_gray4[]       = "#eeeeee";
+static const char col_base[]        = "#191724";
-static const char col_cyan[]        = "#005577";
+static const char col_iris[]        = "#c4a7e7";
+static const char col_h_low[]       = "#21202e";
 static const char *colors[][3]      = {
 	/*               fg         bg         border   */
-	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
+	[SchemeNorm] = { col_muted, col_h_low, col_base },
-	[SchemeSel]  = { col_gray4, col_cyan,  col_cyan  },
+	[SchemeSel]  = { col_text,  col_base,  col_iris  },
 };
 
 /* tagging */
@@ -28,7 +29,11 @@ static const Rule rules[] = {
 	 */
 	/* class      instance    title       tags mask     isfloating   monitor */
 	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+	{ "discord",  NULL,       NULL,       1 << 1,       0,            1 },
+	{ "calendar", NULL,       NULL,       1 << 4,       0,            1 },
+	{ "vesktop",  NULL,       NULL,       1 << 1,       0,            1 },
+	{ "obsidian", NULL,       NULL,       1 << 3,       0,            1 },
+	{ "nannou",   NULL,       NULL,       0,            1,           -1 },
 };
 
 /* layout(s) */
@@ -45,7 +50,7 @@ static const Layout layouts[] = {
 };
 
 /* key definitions */
-#define MODKEY Mod1Mask
+#define MODKEY Mod4Mask
 #define TAGKEYS(KEY,TAG) \
 	{ MODKEY,                       KEY,      view,           {.ui = 1 << TAG} }, \
 	{ MODKEY|ControlMask,           KEY,      toggleview,     {.ui = 1 << TAG} }, \
@@ -57,13 +62,17 @@ static const Layout layouts[] = {
 
 /* commands */
 static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
-static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
+static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_h_low, "-nf", col_muted, "-sb", col_base, "-sf", col_text, NULL };
-static const char *termcmd[]  = { "st", NULL };
+static const char *termcmd[]  = { "kitty", NULL };
+static const char *scrnshotcmd[]  = { "flameshot", "gui", NULL };
+
+#include "selfrestart.c"
 
 static const Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
 	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
+	{ ControlMask,                  XK_Print,  spawn,          {.v = scrnshotcmd } },
 	{ MODKEY,                       XK_b,      togglebar,      {0} },
 	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
 	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
@@ -95,6 +104,7 @@ static const Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+	{ MODKEY|ShiftMask,             XK_r,      self_restart,   {0} },
 };
 
 /* button definitions */

dwm.c

@@ -61,7 +61,8 @@ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
 enum { SchemeNorm, SchemeSel }; /* color schemes */
 enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
-       NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
+       NetWMWindowTypeDialog, NetClientList, NetClientInfo, NetLast }; /* EWMH atoms */
+enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
 enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
        ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
@@ -110,6 +111,7 @@ typedef struct {
 	void (*arrange)(Monitor *);
 } Layout;
 
+typedef struct Pertag Pertag;
 struct Monitor {
 	char ltsymbol[16];
 	float mfact;
@@ -129,6 +131,7 @@ struct Monitor {
 	Monitor *next;
 	Window barwin;
 	const Layout *lt[2];
+	Pertag *pertag;
 };
 
 typedef struct {
@@ -197,6 +200,7 @@ static void scan(void);
 static int sendevent(Client *c, Atom proto);
 static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
+static void setclienttagprop(Client *c);
 static void setfocus(Client *c);
 static void setfullscreen(Client *c, int fullscreen);
 static void setlayout(const Arg *arg);
@@ -270,6 +274,15 @@ static Window root, wmcheckwin;
 /* configuration, allows nested code to access above variables */
 #include "config.h"
 
+struct Pertag {
+	unsigned int curtag, prevtag; /* current and previous tag */
+	int nmasters[LENGTH(tags) + 1]; /* number of windows in master area */
+	float mfacts[LENGTH(tags) + 1]; /* mfacts per tag */
+	unsigned int sellts[LENGTH(tags) + 1]; /* selected layouts */
+	const Layout *ltidxs[LENGTH(tags) + 1][2]; /* matrix of tags and layouts indexes  */
+	int showbars[LENGTH(tags) + 1]; /* display bar for the current tag */
+};
+
 /* compile-time check if all tags fit into an unsigned int bit array. */
 struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
 
@@ -633,6 +646,7 @@ Monitor *
 createmon(void)
 {
 	Monitor *m;
+	unsigned int i;
 
 	m = ecalloc(1, sizeof(Monitor));
 	m->tagset[0] = m->tagset[1] = 1;
@@ -643,6 +657,20 @@ createmon(void)
 	m->lt[0] = &layouts[0];
 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
 	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
+	m->pertag = ecalloc(1, sizeof(Pertag));
+	m->pertag->curtag = m->pertag->prevtag = 1;
+
+	for (i = 0; i <= LENGTH(tags); i++) {
+		m->pertag->nmasters[i] = m->nmaster;
+		m->pertag->mfacts[i] = m->mfact;
+
+		m->pertag->ltidxs[i][0] = m->lt[0];
+		m->pertag->ltidxs[i][1] = m->lt[1];
+		m->pertag->sellts[i] = m->sellt;
+
+		m->pertag->showbars[i] = m->showbar;
+	}
+
 	return m;
 }
 
@@ -979,7 +1007,7 @@ grabkeys(void)
 void
 incnmaster(const Arg *arg)
 {
-	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = MAX(selmon->nmaster + arg->i, 0);
 	arrange(selmon);
 }
 
@@ -1067,6 +1095,26 @@ manage(Window w, XWindowAttributes *wa)
 	updatewindowtype(c);
 	updatesizehints(c);
 	updatewmhints(c);
+	{
+		int format;
+		unsigned long *data, n, extra;
+		Monitor *m;
+		Atom atom;
+		if (XGetWindowProperty(dpy, c->win, netatom[NetClientInfo], 0L, 2L, False, XA_CARDINAL,
+				&atom, &format, &n, &extra, (unsigned char **)&data) == Success && n == 2) {
+			c->tags = *data;
+			for (m = mons; m; m = m->next) {
+				if (m->num == *(data+1)) {
+					c->mon = m;
+					break;
+				}
+			}
+		}
+		if (n > 0)
+			XFree(data);
+	}
+	setclienttagprop(c);
+
 	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
 	grabbuttons(c, 0);
 	if (!c->isfloating)
@@ -1428,6 +1476,7 @@ sendmon(Client *c, Monitor *m)
 	c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
 	attach(c);
 	attachstack(c);
+	setclienttagprop(c);
 	focus(NULL);
 	arrange(NULL);
 }
@@ -1510,9 +1559,9 @@ void
 setlayout(const Arg *arg)
 {
 	if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
-		selmon->sellt ^= 1;
+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag] ^= 1;
 	if (arg && arg->v)
-		selmon->lt[selmon->sellt] = (Layout *)arg->v;
+		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt] = (Layout *)arg->v;
 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
 	if (selmon->sel)
 		arrange(selmon);
@@ -1531,7 +1580,7 @@ setmfact(const Arg *arg)
 	f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
 	if (f < 0.05 || f > 0.95)
 		return;
-	selmon->mfact = f;
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag] = f;
 	arrange(selmon);
 }
 
@@ -1578,6 +1627,10 @@ setup(void)
 	netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
 	netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
 	netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
+	xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
+	xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
+	xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
+	netatom[NetClientInfo] = XInternAtom(dpy, "_NET_CLIENT_INFO", False);
 	/* init cursors */
 	cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
 	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
@@ -1601,6 +1654,7 @@ setup(void)
 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
 		PropModeReplace, (unsigned char *) netatom, NetLast);
 	XDeleteProperty(dpy, root, netatom[NetClientList]);
+	XDeleteProperty(dpy, root, netatom[NetClientInfo]);
 	/* select events */
 	wa.cursor = cursor[CurNormal]->cursor;
 	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
@@ -1665,11 +1719,22 @@ spawn(const Arg *arg)
 	}
 }
 
+void
+setclienttagprop(Client *c)
+{
+	long data[] = { (long) c->tags, (long) c->mon->num };
+	XChangeProperty(dpy, c->win, netatom[NetClientInfo], XA_CARDINAL, 32,
+			PropModeReplace, (unsigned char *) data, 2);
+}
+
 void
 tag(const Arg *arg)
 {
+	Client *c;
 	if (selmon->sel && arg->ui & TAGMASK) {
+		c = selmon->sel;
 		selmon->sel->tags = arg->ui & TAGMASK;
+		setclienttagprop(c);
 		focus(NULL);
 		arrange(selmon);
 	}
@@ -1714,7 +1779,7 @@ tile(Monitor *m)
 void
 togglebar(const Arg *arg)
 {
-	selmon->showbar = !selmon->showbar;
+	selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar;
 	updatebarpos(selmon);
 	XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
 	arrange(selmon);
@@ -1744,6 +1809,7 @@ toggletag(const Arg *arg)
 	newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
 	if (newtags) {
 		selmon->sel->tags = newtags;
+		setclienttagprop(selmon->sel);
 		focus(NULL);
 		arrange(selmon);
 	}
@@ -1753,9 +1819,33 @@ void
 toggleview(const Arg *arg)
 {
 	unsigned int newtagset = selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK);
+	int i;
 
 	if (newtagset) {
 		selmon->tagset[selmon->seltags] = newtagset;
+
+		if (newtagset == ~0) {
+			selmon->pertag->prevtag = selmon->pertag->curtag;
+			selmon->pertag->curtag = 0;
+		}
+
+		/* test if the user did not select the same tag */
+		if (!(newtagset & 1 << (selmon->pertag->curtag - 1))) {
+			selmon->pertag->prevtag = selmon->pertag->curtag;
+			for (i = 0; !(newtagset & 1 << i); i++) ;
+			selmon->pertag->curtag = i + 1;
+		}
+
+		/* apply settings for this view */
+		selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
+		selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
+		selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
+
+		if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
+			togglebar(NULL);
+
 		focus(NULL);
 		arrange(selmon);
 	}
@@ -2052,11 +2142,37 @@ updatewmhints(Client *c)
 void
 view(const Arg *arg)
 {
+	int i;
+	unsigned int tmptag;
+
 	if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
-	if (arg->ui & TAGMASK)
+	if (arg->ui & TAGMASK) {
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+
+		if (arg->ui == ~0)
+			selmon->pertag->curtag = 0;
+		else {
+			for (i = 0; !(arg->ui & 1 << i); i++) ;
+			selmon->pertag->curtag = i + 1;
+		}
+	} else {
+		tmptag = selmon->pertag->prevtag;
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+		selmon->pertag->curtag = tmptag;
+	}
+
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
+	selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
+	selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
+
+	if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
+		togglebar(NULL);
+
 	focus(NULL);
 	arrange(selmon);
 }

patches/preserveonrestart-6.3.diff

@@ -0,0 +1,118 @@
+From 713fa8650f5a20006451ebcccf57a4512e83bae8 Mon Sep 17 00:00:00 2001
+From: Arda Atci <arda@phytech.io>
+Date: Wed, 18 May 2022 17:23:16 +0300
+Subject: [PATCH] preserve clients on old tags when renewing dwm
+
+By default, when dwm is recompiled-restarted all clients will
+lose it's current tag and collapse to first tag. This patch preserves
+clients on old tags, however note that layout order is not preserved.
+
+---
+ dwm.c | 38 +++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 37 insertions(+), 1 deletion(-)
+
+diff --git a/dwm.c b/dwm.c
+index a96f33c..a12e0bd 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -62,7 +62,7 @@ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+ enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
+        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+-       NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++       NetWMWindowTypeDialog, NetClientList, NetClientInfo, NetLast }; /* EWMH atoms */
+ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
+ enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+        ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
+@@ -198,6 +198,7 @@ static void scan(void);
+ static int sendevent(Client *c, Atom proto);
+ static void sendmon(Client *c, Monitor *m);
+ static void setclientstate(Client *c, long state);
++static void setclienttagprop(Client *c);
+ static void setfocus(Client *c);
+ static void setfullscreen(Client *c, int fullscreen);
+ static void setlayout(const Arg *arg);
+@@ -1060,6 +1061,26 @@ manage(Window w, XWindowAttributes *wa)
+ 	updatewindowtype(c);
+ 	updatesizehints(c);
+ 	updatewmhints(c);
++	{
++		int format;
++		unsigned long *data, n, extra;
++		Monitor *m;
++		Atom atom;
++		if (XGetWindowProperty(dpy, c->win, netatom[NetClientInfo], 0L, 2L, False, XA_CARDINAL,
++				&atom, &format, &n, &extra, (unsigned char **)&data) == Success && n == 2) {
++			c->tags = *data;
++			for (m = mons; m; m = m->next) {
++				if (m->num == *(data+1)) {
++					c->mon = m;
++					break;
++				}
++			}
++		}
++		if (n > 0)
++			XFree(data);
++	}
++	setclienttagprop(c);
++
+ 	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
+ 	grabbuttons(c, 0);
+ 	if (!c->isfloating)
+@@ -1423,6 +1444,7 @@ sendmon(Client *c, Monitor *m)
+ 	c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
+ 	attach(c);
+ 	attachstack(c);
++	setclienttagprop(c);
+ 	focus(NULL);
+ 	arrange(NULL);
+ }
+@@ -1566,6 +1588,7 @@ setup(void)
+ 	netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
+ 	netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+ 	netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
++	netatom[NetClientInfo] = XInternAtom(dpy, "_NET_CLIENT_INFO", False);
+ 	/* init cursors */
+ 	cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+ 	cursor[CurResize] = drw_cur_create(drw, XC_sizing);
+@@ -1589,6 +1612,7 @@ setup(void)
+ 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+ 		PropModeReplace, (unsigned char *) netatom, NetLast);
+ 	XDeleteProperty(dpy, root, netatom[NetClientList]);
++	XDeleteProperty(dpy, root, netatom[NetClientInfo]);
+ 	/* select events */
+ 	wa.cursor = cursor[CurNormal]->cursor;
+ 	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask
+@@ -1656,11 +1680,22 @@ spawn(const Arg *arg)
+ 	}
+ }
+
++void
++setclienttagprop(Client *c)
++{
++	long data[] = { (long) c->tags, (long) c->mon->num };
++	XChangeProperty(dpy, c->win, netatom[NetClientInfo], XA_CARDINAL, 32,
++			PropModeReplace, (unsigned char *) data, 2);
++}
++
+ void
+ tag(const Arg *arg)
+ {
++	Client *c;
+ 	if (selmon->sel && arg->ui & TAGMASK) {
++		c = selmon->sel;
+ 		selmon->sel->tags = arg->ui & TAGMASK;
++		setclienttagprop(c);
+ 		focus(NULL);
+ 		arrange(selmon);
+ 	}
+@@ -1735,6 +1770,7 @@ toggletag(const Arg *arg)
+ 	newtags = selmon->sel->tags ^ (arg->ui & TAGMASK);
+ 	if (newtags) {
+ 		selmon->sel->tags = newtags;
++		setclienttagprop(selmon->sel);
+ 		focus(NULL);
+ 		arrange(selmon);
+ 	}
+--
+2.36.1

patches/selfrestart.diff

@@ -0,0 +1,101 @@
+# HG changeset patch
+# User Barbu Paul - Gheorghe <barbu.paul.gheorghe@gmail.com>
+# Date 1354650884 -7200
+# Node ID 6c472a21a5887c5295a331c48c4da188ec2c8413
+# Parent  aaab44133a6830c9a00263731d098c01cc1d6fb5
+selfrestart now magically locates the current dwm (no need to hardcode a path)
+
+diff -r aaab44133a68 -r 6c472a21a588 config.def.h
+--- a/config.def.h	Tue Dec 04 21:54:44 2012 +0200
++++ b/config.def.h	Tue Dec 04 21:54:44 2012 +0200
+@@ -54,6 +54,8 @@
+ static const char *termcmd[]  = { "urxvtc", NULL };
+ static const char *filemancmd[]  = { "thunar", NULL };
+ 
++#include "selfrestart.c"
++
+ static Key keys[] = {
+ 	/* modifier                     key        function        argument */
+ 	{ MODKEY,                       XK_r,      spawn,          {.v = dmenucmd } },
+@@ -89,6 +91,7 @@
+ 	TAGKEYS(                        XK_7,                      6)
+ 	TAGKEYS(                        XK_8,                      7)
+ 	TAGKEYS(                        XK_9,                      8)
++    { MODKEY|ShiftMask,             XK_r,      self_restart,   {0} },
+ 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+ };
+ 
+@@ -108,4 +111,3 @@
+ 	{ ClkTagBar,            MODKEY,         Button1,        tag,            {0} },
+ 	{ ClkTagBar,            MODKEY,         Button3,        toggletag,      {0} },
+ };
+-
+diff -r aaab44133a68 -r 6c472a21a588 selfrestart.c
+--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
++++ b/selfrestart.c	Tue Dec 04 21:54:44 2012 +0200
+@@ -0,0 +1,65 @@
++#include <unistd.h>
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <stdio.h>
++#include <stdlib.h>
++
++/**
++ * Magically finds the current's executable path
++ *
++ * I'm doing the do{}while(); trick because Linux (what I'm running) is not
++ * POSIX compilant and so lstat() cannot be trusted on /proc entries
++ *
++ * @return char* the path of the current executable
++ */
++char *get_dwm_path(){
++    struct stat s;
++    int r, length, rate = 42;
++    char *path = NULL;
++
++    if(lstat("/proc/self/exe", &s) == -1){
++        perror("lstat:");
++        return NULL;
++    }
++
++    length = s.st_size + 1 - rate;
++
++    do{
++        length+=rate;
++
++        free(path);
++        path = malloc(sizeof(char) * length);
++
++        if(path == NULL){
++            perror("malloc:");
++            return NULL;
++        }
++
++        r = readlink("/proc/self/exe", path, length);
++
++        if(r == -1){
++            perror("readlink:");
++            return NULL;
++        }
++    }while(r >= length);
++
++    path[r] = '\0';
++
++    return path;
++}
++
++/**
++ * self-restart
++ *
++ * Initially inspired by: Yu-Jie Lin
++ * https://sites.google.com/site/yjlnotes/notes/dwm
++ */
++void self_restart(const Arg *arg) {
++    char *const argv[] = {get_dwm_path(), NULL};
++
++    if(argv[0] == NULL){
++        return;
++    }
++
++    execv(argv[0], argv);
++}

selfrestart.c

@@ -0,0 +1,34 @@
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/**
+ * Magically finds the current's executable path
+ *
+ * I'm doing the do{}while(); trick because Linux (what I'm running) is not
+ * POSIX compilant and so lstat() cannot be trusted on /proc entries
+ *
+ * @return char* the path of the current executable
+ */
+char *get_dwm_path(){
+    // Sorry non nixos users
+    return "/run/current-system/sw/bin/dwm";
+}
+
+/**
+ * self-restart
+ *
+ * Initially inspired by: Yu-Jie Lin
+ * https://sites.google.com/site/yjlnotes/notes/dwm
+ */
+void self_restart(const Arg *arg) {
+    char *const argv[] = {get_dwm_path(), NULL};
+
+    if(argv[0] == NULL){
+        return;
+    }
+
+    execv(argv[0], argv);
+}