From 7100c2c92ea694d3146517f7913e6b9a8c054788 Mon Sep 17 00:00:00 2001
From: Noah Osterholz <osterholznoah@gmail.com>
Date: Wed, 8 Oct 2025 16:17:12 +0200
Subject: [PATCH] Adding the ifroot function to be able to assign one keymap to
 two functions depending on wether a client or the root window is focused.

---
 config.def.h |  2 +-
 dwm.c        | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/config.def.h b/config.def.h
index 81c3fc0..afc21ec 100644
--- a/config.def.h
+++ b/config.def.h
@@ -74,7 +74,7 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 	{ MODKEY,                       XK_Return, zoom,           {0} },
 	{ MODKEY,                       XK_Tab,    view,           {0} },
-	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
+	{ MODKEY|ShiftMask,             XK_c,      ifroot,         {.v = &(TwoFuncPtr){quit, killclient, {0}, {0} } } },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
 	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },
diff --git a/dwm.c b/dwm.c
index 4f345ee..b144e90 100644
--- a/dwm.c
+++ b/dwm.c
@@ -140,6 +140,13 @@ typedef struct {
 	int monitor;
 } Rule;
 
+typedef struct {
+	void (*func1)(const Arg *arg);
+	void (*func2)(const Arg *arg);
+	const Arg arg1;
+	const Arg arg2;
+} TwoFuncPtr;
+
 /* function declarations */
 static void applyrules(Client *c);
 static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
@@ -174,6 +181,7 @@ static long getstate(Window w);
 static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void grabbuttons(Client *c, int focused);
 static void grabkeys(void);
+static void ifroot(const Arg *arg);
 static void incnmaster(const Arg *arg);
 static void keypress(XEvent *e);
 static void killclient(const Arg *arg);
@@ -976,6 +984,17 @@ grabkeys(void)
 	}
 }
 
+void
+ifroot(const Arg *arg)
+{
+	TwoFuncPtr *funcs = (TwoFuncPtr*)arg->v;
+	if (!selmon->sel) { /*no client -> root window*/
+		funcs->func1(&(funcs->arg1));
+		return;
+	} /*client window*/
+	funcs->func2(&(funcs->arg2));
+}
+
 void
 incnmaster(const Arg *arg)
 {
-- 
2.51.0