From a0803fae0be4e68d62792ec3493e68a2701ca9f4 Mon Sep 17 00:00:00 2001
From: speedie <speedie@speedie.site>
Date: Thu, 6 Jul 2023 19:25:17 +0200
Subject: [PATCH] Add restartsig

---
 config.h |  5 +++--
 dwm.1    | 10 ++++++++++
 dwm.c    | 23 +++++++++++++++++++++++
 3 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/config.h b/config.h
index 67ab154..d15653a 100644
--- a/config.h
+++ b/config.h
@@ -127,8 +127,8 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_n,         incnmaster,     {.i = -1 } },
 	{ MODKEY|ControlMask,           XK_i,         incnstack,      {.i = +1 } },
 	{ MODKEY|ControlMask,           XK_u,         incnstack,      {.i = -1 } },
-	{ MODKEY|ShiftMask,             XK_a,         setmfact,       {.f = -0.05} },
-	{ MODKEY|ShiftMask,             XK_d,         setmfact,       {.f = +0.05} },
+	{ MODKEY|ShiftMask,             XK_h,         setmfact,       {.f = -0.05} },
+	{ MODKEY|ShiftMask,             XK_l,         setmfact,       {.f = +0.05} },
     { MODKEY|ShiftMask,             XK_k,         setcfact,       {.f = +0.25} },
 	{ MODKEY|ShiftMask,             XK_j,         setcfact,       {.f = -0.25} },
 	{ MODKEY|ShiftMask,             XK_o,         setcfact,       {.f =  0.00} },
@@ -147,6 +147,7 @@ static const Key keys[] = {
 	{ MODKEY|Mod1Mask,              XK_9,         incrovgaps,     {.i = +1 } },
 	{ MODKEY|Mod1Mask|ShiftMask,    XK_9,         incrovgaps,     {.i = -1 } },
 	{ MODKEY|Mod1Mask|ShiftMask,    XK_0,         defaultgaps,    {0} },
+	{ MODKEY|ControlMask|ShiftMask, XK_r,         quit,           {.i = 1 } },
 	{ MODKEY,                       XK_Return,    zoom,           {0} },
 	{ MODKEY,                       XK_Tab,       view,           {0} },
 	{ MODKEY|ControlMask,           XK_z,         showhideclient, {0} },
diff --git a/dwm.1 b/dwm.1
index ddc8321..7b6cadb 100644
--- a/dwm.1
+++ b/dwm.1
@@ -142,6 +142,9 @@ Add/remove all windows with nth tag to/from the view.
 .TP
 .B Mod1\-Shift\-q
 Quit dwm.
+.TP
+.B Mod1\-Control\-Shift\-q
+Restart dwm.
 .SS Mouse commands
 .TP
 .B Mod1\-Button1
@@ -155,6 +158,13 @@ Resize focused window while dragging. Tiled windows will be toggled to the float
 .SH CUSTOMIZATION
 dwm is customized by creating a custom config.h and (re)compiling the source
 code. This keeps it fast, secure and simple.
+.SH SIGNALS
+.TP
+.B SIGHUP - 1
+Restart the dwm process.
+.TP
+.B SIGTERM - 15
+Cleanly terminate the dwm process.
 .SH SEE ALSO
 .BR dmenu (1),
 .BR st (1)
diff --git a/dwm.c b/dwm.c
index 16de0b0..dd8b980 100644
--- a/dwm.c
+++ b/dwm.c
@@ -317,6 +317,8 @@ static void setup(void);
 static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
 static void spawn(const Arg *arg);
+static void sighup(int unused);
+static void sigterm(int unused);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void togglebar(const Arg *arg);
@@ -391,6 +393,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 };
 static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
 static int running = 1;
+static int restart = 0;
 static Cur *cursor[CurLast];
 static Display *dpy;
 static Drw *drw;
@@ -1855,6 +1858,8 @@ quit(const Arg *arg)
 {
 	size_t i;
 
+    if(arg->i) restart = 1;
+
 	/* kill child processes */
 	for (i = 0; i < autostart_len; i++) {
 		if (0 < autostart_pids[i]) {
@@ -2253,6 +2258,9 @@ setup(void)
 
     }
 
+	signal(SIGHUP, sighup);
+	signal(SIGTERM, sigterm);
+
 	/* init screen */
 	screen = DefaultScreen(dpy);
 	sw = DisplayWidth(dpy, screen);
@@ -2363,6 +2371,20 @@ showhide(Client *c)
 	}
 }
 
+void
+sighup(int unused)
+{
+	Arg a = {.i = 1};
+	quit(&a);
+}
+
+void
+sigterm(int unused)
+{
+	Arg a = {.i = 0};
+	quit(&a);
+}
+
 void
 spawn(const Arg *arg)
 {
@@ -3246,6 +3268,7 @@ main(int argc, char *argv[])
 #endif /* __OpenBSD__ */
 	scan();
 	run();
+	if(restart) execvp(argv[0], argv);
 	cleanup();
 	XCloseDisplay(dpy);
 	return EXIT_SUCCESS;