From 70a21457fdbcbcdf26efb1329dd29872b7fcd8e3 Mon Sep 17 00:00:00 2001
From: ysl2 <www.songli.yu@gmail.com>
Date: Sun, 29 Oct 2023 15:45:05 +0800
Subject: [PATCH] Give killclient an augument to control the beheviour: arg.ui
 == 0 for normal kill current client; arg.ui == 1 for kill other clients in
 current tag (except current focusing client); arg.ui == 2 for kill all
 clients in current tag (include focusing client).

---
 config.def.h |  2 ++
 dwm.c        | 30 ++++++++++++++++++++++++------
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/config.def.h b/config.def.h
index 9efa774..d39e6dd 100644
--- a/config.def.h
+++ b/config.def.h
@@ -74,6 +74,8 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_Return, zoom,           {0} },
 	{ MODKEY,                       XK_Tab,    view,           {0} },
 	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
+    { MODKEY|ControlMask,           XK_c,      killclient,     {.ui = 1} },  // kill unselect
+    { MODKEY|ShiftMask|ControlMask, XK_c,      killclient,     {.ui = 2} },  // killall
 	{ 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 f1d86b2..011744d 100644
--- a/dwm.c
+++ b/dwm.c
@@ -177,6 +177,7 @@ static void grabbuttons(Client *c, int focused);
 static void grabkeys(void);
 static void incnmaster(const Arg *arg);
 static void keypress(XEvent *e);
+static void killthis(Client *c);
 static void killclient(const Arg *arg);
 static void manage(Window w, XWindowAttributes *wa);
 static void mappingnotify(XEvent *e);
@@ -1013,21 +1014,38 @@ keypress(XEvent *e)
 }
 
 void
-killclient(const Arg *arg)
-{
-	if (!selmon->sel)
-		return;
-	if (!sendevent(selmon->sel, wmatom[WMDelete])) {
+killthis(Client *c) {
+	if (!sendevent(c, wmatom[WMDelete])) {
 		XGrabServer(dpy);
 		XSetErrorHandler(xerrordummy);
 		XSetCloseDownMode(dpy, DestroyAll);
-		XKillClient(dpy, selmon->sel->win);
+		XKillClient(dpy, c->win);
 		XSync(dpy, False);
 		XSetErrorHandler(xerror);
 		XUngrabServer(dpy);
 	}
 }
 
+void
+killclient(const Arg *arg)
+{
+    Client *c;
+
+	if (!selmon->sel)
+		return;
+
+    if (!arg->ui || arg->ui == 0) {
+        killthis(selmon->sel);
+        return;
+    }
+
+    for (c = selmon->clients; c; c = c->next) {
+        if (!ISVISIBLE(c) || (arg->ui == 1 && c == selmon->sel))
+            continue;
+        killthis(c);
+    }
+}
+
 void
 manage(Window w, XWindowAttributes *wa)
 {
-- 
2.20.1