focusedontop: better workaround for flicker on monocle layout ref. #31

dwm/dwm-focusedontop-6.2_full.diff

@@ -246,7 +246,7 @@ index 1d4475b..74bf95a 100644
 2.19.1
 
 
-From a61bdceea00104104efc35627823462674b1ddba Mon Sep 17 00:00:00 2001
+From e43bceea3bbba454125baf82116e25a061bb5a8b Mon Sep 17 00:00:00 2001
 From: bakkeby <bakkeby@gmail.com>
 Date: Thu, 8 Oct 2020 19:38:56 +0200
 Subject: [PATCH 3/3] focusedontop: allow the currently focused client to
@@ -255,8 +255,8 @@ Subject: [PATCH 3/3] focusedontop: allow the currently focused client to
 
 ---
  config.def.h | 16 +++++++++-------
- dwm.c        | 44 ++++++++++++++++++++++++++++++++++++++++++--
+ dwm.c        | 49 +++++++++++++++++++++++++++++++++++++++++++++++--
- 2 files changed, 51 insertions(+), 9 deletions(-)
+ 2 files changed, 56 insertions(+), 9 deletions(-)
 
 diff --git a/config.def.h b/config.def.h
 index dd003d0..7c0c27e 100644
@@ -293,7 +293,7 @@ index dd003d0..7c0c27e 100644
  
  /* layout(s) */
 diff --git a/dwm.c b/dwm.c
-index 74bf95a..e84bba1 100644
+index 74bf95a..9869fa3 100644
 --- a/dwm.c
 +++ b/dwm.c
 @@ -60,7 +60,7 @@
@@ -339,7 +339,23 @@ index 74bf95a..e84bba1 100644
  	} else if (cme->message_type == netatom[NetActiveWindow]) {
  		if (c != selmon->sel && !c->isurgent)
  			seturgent(c, 1);
-@@ -791,6 +797,8 @@ expose(XEvent *e)
+@@ -764,6 +770,7 @@ enternotify(XEvent *e)
+ {
+ 	Client *c;
+ 	Monitor *m;
++	XEvent xev;
+ 	XCrossingEvent *ev = &e->xcrossing;
+ 
+ 	if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
+@@ -776,6 +783,7 @@ enternotify(XEvent *e)
+ 	} else if (!c || c == selmon->sel)
+ 		return;
+ 	focus(c);
++	while (XCheckMaskEvent(dpy, EnterWindowMask, &xev));
+ }
+ 
+ void
+@@ -791,6 +799,8 @@ expose(XEvent *e)
  void
  focus(Client *c)
  {
@@ -348,7 +364,7 @@ index 74bf95a..e84bba1 100644
  	if (!c || !ISVISIBLE(c))
  		for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
  	if (selmon->sel && selmon->sel != c)
-@@ -805,6 +813,32 @@ focus(Client *c)
+@@ -805,6 +815,31 @@ focus(Client *c)
  		grabbuttons(c, 1);
  		XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
  		setfocus(c);
@@ -376,12 +392,19 @@ index 74bf95a..e84bba1 100644
 +					XConfigureWindow(dpy, f->win, CWSibling|CWStackMode, &wc);
 +					wc.sibling = f->win;
 +				}
-+			XSync(dpy, True); // avoids flicker on monocle / deck layouts
 +		}
  	} else {
  		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
  		XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
-@@ -859,7 +893,8 @@ focusstack(const Arg *arg)
+@@ -841,6 +876,7 @@ void
+ focusstack(const Arg *arg)
+ {
+ 	Client *c = NULL, *i;
++	XEvent xev;
+ 
+ 	if (!selmon->sel)
+ 		return;
+@@ -859,8 +895,10 @@ focusstack(const Arg *arg)
  	}
  	if (c) {
  		focus(c);
@@ -389,9 +412,19 @@ index 74bf95a..e84bba1 100644
 +		if (!focusedontop)
 +			restack(selmon);
  	}
++	while (XCheckMaskEvent(dpy, EnterWindowMask, &xev));
  }
  
-@@ -1042,6 +1077,7 @@ manage(Window w, XWindowAttributes *wa)
+ Atom
+@@ -1028,6 +1066,7 @@ manage(Window w, XWindowAttributes *wa)
+ 	Client *c, *t = NULL;
+ 	Window trans = None;
+ 	XWindowChanges wc;
++	XEvent xev;
+ 
+ 	c = ecalloc(1, sizeof(Client));
+ 	c->win = w;
+@@ -1042,6 +1081,7 @@ manage(Window w, XWindowAttributes *wa)
  	if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
  		c->mon = t->mon;
  		c->tags = t->tags;
@@ -399,7 +432,7 @@ index 74bf95a..e84bba1 100644
  	} else {
  		c->mon = selmon;
  		applyrules(c);
-@@ -1061,6 +1097,8 @@ manage(Window w, XWindowAttributes *wa)
+@@ -1061,6 +1101,8 @@ manage(Window w, XWindowAttributes *wa)
  	XConfigureWindow(dpy, w, CWBorderWidth, &wc);
  	XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
  	configure(c); /* propagates border_width, if size doesn't change */
@@ -408,15 +441,17 @@ index 74bf95a..e84bba1 100644
  	if (getatomprop(c, netatom[NetWMState]) == netatom[NetWMFullscreen])
  		setfullscreen(c, 1);
  	updatesizehints(c);
-@@ -1082,6 +1120,7 @@ manage(Window w, XWindowAttributes *wa)
+@@ -1082,7 +1124,9 @@ manage(Window w, XWindowAttributes *wa)
  	c->mon->sel = c;
  	arrange(c->mon);
  	XMapWindow(dpy, c->win);
 +
  	focus(NULL);
++	while (XCheckMaskEvent(dpy, EnterWindowMask, &xev));
  }
  
-@@ -1565,6 +1604,7 @@ setup(void)
+ void
+@@ -1565,6 +1609,7 @@ setup(void)
  	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
  	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
  	netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);