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commit ac966353645938529cf49e2878e43101cf60d2f5
parent 2f6aaf6ce302c6530260343c5cc8d0138fdae745
Author: Chris Down <chris@chrisdown.name>
Date:   Tue, 26 Apr 2022 09:18:52 +0100

[dwm][patches][noborder] Add version with border flicker fix

Diffstat:
A
dwm.suckless.org/patches/noborder/dwm-noborderselflickerfix-2022042627-d93ff48803f0.diff
 | 
53
+++++++++++++++++++++++++++++++++++++++++++++++++++++
M
dwm.suckless.org/patches/noborder/index.md
 | 
6
++++++

2 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/dwm.suckless.org/patches/noborder/dwm-noborderselflickerfix-2022042627-d93ff48803f0.diff b/dwm.suckless.org/patches/noborder/dwm-noborderselflickerfix-2022042627-d93ff48803f0.diff
@@ -0,0 +1,53 @@
+diff --git dwm.c dwm.c
+index 0fc328a..4a767bd 100644
+--- dwm.c
++++ dwm.c
+@@ -206,6 +206,7 @@ static void setup(void);
+ static void seturgent(Client *c, int urg);
+ static void showhide(Client *c);
+ static void sigchld(int unused);
++static int solitary(Client *c);
+ static void spawn(const Arg *arg);
+ static void tag(const Arg *arg);
+ static void tagmon(const Arg *arg);
+@@ -802,7 +803,11 @@ focus(Client *c)
+ 		detachstack(c);
+ 		attachstack(c);
+ 		grabbuttons(c, 1);
+-		XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
++		/* Avoid flickering when another client appears and the border
++		 * is restored */
++		if (!solitary(c)) {
++			XSetWindowBorder(dpy, c->win, scheme[SchemeSel][ColBorder].pixel);
++		}
+ 		setfocus(c);
+ 	} else {
+ 		XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+@@ -1288,6 +1293,11 @@ resizeclient(Client *c, int x, int y, int w, int h)
+ 	c->oldw = c->w; c->w = wc.width = w;
+ 	c->oldh = c->h; c->h = wc.height = h;
+ 	wc.border_width = c->bw;
++	if (solitary(c)) {
++		c->w = wc.width += c->bw * 2;
++		c->h = wc.height += c->bw * 2;
++		wc.border_width = 0;
++	}
+ 	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
+ 	configure(c);
+ 	XSync(dpy, False);
+@@ -1642,6 +1652,15 @@ sigchld(int unused)
+ 	while (0 < waitpid(-1, NULL, WNOHANG));
+ }
+ 
++int
++solitary(Client *c)
++{
++	return ((nexttiled(c->mon->clients) == c && !nexttiled(c->next))
++	    || &monocle == c->mon->lt[c->mon->sellt]->arrange)
++	    && !c->isfullscreen && !c->isfloating
++	    && NULL != c->mon->lt[c->mon->sellt]->arrange;
++}
++
+ void
+ spawn(const Arg *arg)
+ {
diff --git a/dwm.suckless.org/patches/noborder/index.md b/dwm.suckless.org/patches/noborder/index.md
@@ -13,9 +13,15 @@ Download
 * The normal version of noborder will cause a single window in floating layout to continuously grow whilst being moved. This version checks if the layout is floating before hiding the border:
   * [dwm-noborderfloatingfix-6.2.diff](dwm-noborderfloatingfix-6.2.diff)
 
+* A version of the patch which avoids border flickering between SchemeSel and
+  SchemeNorm when another client appears, in addition to the floating fix, is
+  available here:
+  [dwm-noborderselflickerfix-2022042627-d93ff48803f0.diff](dwm-noborderselflickerfix-2022042627-d93ff48803f0.diff)
+
 Authors
 -------
 * Eric Pruitt - <eric.pruitt@gmail.com>
 * Laslo Hunhold - <dev@frign.de> (6.1, git port)
 * Markus Teich - markus(DOT)teich(AT)stusta(DOT)de (simplification)
 * Aidan Hall - <aidan.hall@outlook.com> (floating fix)
+* Chris Down - <chris@chrisdown.name> (flicker fix)