From 114fe4d2f75c352a545d614c6b1d48832bf2b41d Mon Sep 17 00:00:00 2001
From: Mateja <mail@matejamaric.com>
Date: Fri, 16 Apr 2021 15:23:11 +0200
Subject: Applied `useless gap` patch.

---
 README.md    |  2 ++
 config.def.h |  1 +
 dwm.c        | 36 ++++++++++++++++++++++++++++++------
 3 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index ba13cb6..8b5a393 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,10 @@ This is my fork of [dwm][dwm], with following patches applied:
 - [statuscmd][statuscmd]
 - [xresources][xresources]
 - [autostart][autostart]
+- [useless gap][useless gap]
 
 [dwm]: https://dwm.suckless.org
 [statuscmd]: https://dwm.suckless.org/patches/statuscmd/dwm-statuscmd-20210405-67d76bd.diff
 [xresources]: https://dwm.suckless.org/patches/xresources/dwm-xresources-20210314.diff
 [autostart]: https://dwm.suckless.org/patches/autostart/dwm-autostart-20210120-cb3f58a.diff
+[useless gap]: https://dwm.suckless.org/patches/uselessgap/dwm-uselessgap-20200719-bb2e722.diff
diff --git a/config.def.h b/config.def.h
index 7f7cbbf..932e9e7 100644
--- a/config.def.h
+++ b/config.def.h
@@ -2,6 +2,7 @@
 
 /* appearance */
 static unsigned int borderpx  = 1;        /* border pixel of windows */
+static const unsigned int gappx     = 6;        /* gaps between windows */
 static unsigned int snap      = 32;       /* snap pixel */
 static int showbar            = 1;        /* 0 means no bar */
 static int topbar             = 1;        /* 0 means bottom bar */
diff --git a/dwm.c b/dwm.c
index a9d6b3d..891fae8 100644
--- a/dwm.c
+++ b/dwm.c
@@ -54,8 +54,8 @@
 #define ISVISIBLE(C)            ((C->tags & C->mon->tagset[C->mon->seltags]))
 #define LENGTH(X)               (sizeof X / sizeof X[0])
 #define MOUSEMASK               (BUTTONMASK|PointerMotionMask)
-#define WIDTH(X)                ((X)->w + 2 * (X)->bw)
-#define HEIGHT(X)               ((X)->h + 2 * (X)->bw)
+#define WIDTH(X)                ((X)->w + 2 * (X)->bw + gappx)
+#define HEIGHT(X)               ((X)->h + 2 * (X)->bw + gappx)
 #define TAGMASK                 ((1 << LENGTH(tags)) - 1)
 #define TEXTW(X)                (drw_fontset_getwidth(drw, (X)) + lrpad)
 
@@ -1358,12 +1358,36 @@ void
 resizeclient(Client *c, int x, int y, int w, int h)
 {
 	XWindowChanges wc;
+	unsigned int n;
+	unsigned int gapoffset;
+	unsigned int gapincr;
+	Client *nbc;
 
-	c->oldx = c->x; c->x = wc.x = x;
-	c->oldy = c->y; c->y = wc.y = y;
-	c->oldw = c->w; c->w = wc.width = w;
-	c->oldh = c->h; c->h = wc.height = h;
 	wc.border_width = c->bw;
+
+	/* Get number of clients for the client's monitor */
+	for (n = 0, nbc = nexttiled(c->mon->clients); nbc; nbc = nexttiled(nbc->next), n++);
+
+	/* Do nothing if layout is floating */
+	if (c->isfloating || c->mon->lt[c->mon->sellt]->arrange == NULL) {
+		gapincr = gapoffset = 0;
+	} else {
+		/* Remove border and gap if layout is monocle or only one client */
+		if (c->mon->lt[c->mon->sellt]->arrange == monocle || n == 1) {
+			gapoffset = 0;
+			gapincr = -2 * borderpx;
+			wc.border_width = 0;
+		} else {
+			gapoffset = gappx;
+			gapincr = 2 * gappx;
+		}
+	}
+
+	c->oldx = c->x; c->x = wc.x = x + gapoffset;
+	c->oldy = c->y; c->y = wc.y = y + gapoffset;
+	c->oldw = c->w; c->w = wc.width = w - gapincr;
+	c->oldh = c->h; c->h = wc.height = h - gapincr;
+
 	XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
 	configure(c);
 	XSync(dpy, False);
-- 
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