From b5068e32e9428ea2fe2c7b1e7b6b0f769ab119cb Mon Sep 17 00:00:00 2001
From: Connor Lane Smith <cls@lubutu.com>
Date: Tue, 15 Nov 2011 20:16:58 +0100
Subject: add sloppy monitor focus

---
 dwm.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/dwm.c b/dwm.c
index fd6f04d..1d78655 100644
--- a/dwm.c
+++ b/dwm.c
@@ -200,6 +200,7 @@ static void manage(Window w, XWindowAttributes *wa);
 static void mappingnotify(XEvent *e);
 static void maprequest(XEvent *e);
 static void monocle(Monitor *m);
+static void motionnotify(XEvent *e);
 static void movemouse(const Arg *arg);
 static Client *nexttiled(Client *c);
 static void pop(Client *);
@@ -271,6 +272,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[KeyPress] = keypress,
 	[MappingNotify] = mappingnotify,
 	[MapRequest] = maprequest,
+	[MotionNotify] = motionnotify,
 	[PropertyNotify] = propertynotify,
 	[UnmapNotify] = unmapnotify
 };
@@ -1201,6 +1203,21 @@ monocle(Monitor *m) {
 		resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, False);
 }
 
+void
+motionnotify(XEvent *e) {
+	static Monitor *mon = NULL;
+	Monitor *m;
+	XMotionEvent *ev = &e->xmotion;
+
+	if(ev->window != root)
+		return;
+	if((m = recttomon(ev->x_root, ev->y_root, 1, 1)) != mon && mon) {
+		selmon = m;
+		focus(NULL);
+	}
+	mon = m;
+}
+
 void
 movemouse(const Arg *arg) {
 	int x, y, ocx, ocy, nx, ny;
@@ -1614,9 +1631,8 @@ setup(void) {
 			PropModeReplace, (unsigned char *) netatom, NetLast);
 	/* select for events */
 	wa.cursor = cursor[CurNormal];
-	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask
-	                |EnterWindowMask|LeaveWindowMask|StructureNotifyMask
-	                |PropertyChangeMask;
+	wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask
+	                |EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
 	XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
 	XSelectInput(dpy, root, wa.event_mask);
 	grabkeys();
-- 
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