gaplessgrid.patch

gistfile1.txt

diff --git a/dwl.c b/dwl.c
index a2a0b692..d3a5d651 100644
--- a/dwl.c
+++ b/dwl.c
@@ -240,6 +240,7 @@ static void focusmon(const Arg *arg);
 static void focusstack(const Arg *arg);
 static void fullscreennotify(struct wl_listener *listener, void *data);
 static Client *focustop(Monitor *m);
+static void gaplessgrid(Monitor *m);
 static void incnmaster(const Arg *arg);
 static void inputdevice(struct wl_listener *listener, void *data);
 static int keybinding(uint32_t mods, xkb_keysym_t sym);
@@ -1166,6 +1167,50 @@ focustop(Monitor *m)
 	return NULL;
 }
 
+void
+gaplessgrid(Monitor *m) {
+	unsigned int n = 0, i = 0, ch, cw, cn, rn, rows, cols;
+	Client *c;
+
+	wl_list_for_each(c, &clients, link)
+		if (VISIBLEON(c, m) && !c->isfloating)
+			n++;
+	if (n == 0)
+		return;
+
+	/* grid dimensions */
+	for (cols = 0; cols <= (n / 2); cols++)
+		if ((cols * cols) >= n)
+			break;
+
+	if (n == 5) /* set layout against the general calculation: not 1:2:2, but 2:3 */
+		cols = 2;
+	rows = n / cols;
+
+	/* window geometries */
+	cw = cols ? m->w.width / cols : m->w.width;
+	cn = 0; /* current column number */
+	rn = 0; /* current row number */
+	wl_list_for_each(c, &clients, link) {
+		unsigned int cx, cy;
+		if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen)
+			continue;
+
+		if ((i / rows + 1) > (cols - n % cols))
+			rows = n / cols + 1;
+		ch = rows ? m->w.height / rows : m->w.height;
+		cx = m->w.x + cn * cw;
+		cy = m->w.y + rn * ch;
+		resize(c, cx, cy, cw, ch, 0);
+		rn++;
+		if (rn >= rows) {
+			rn = 0;
+			cn++;
+		}
+		i++;
+	}
+}
+
 void
 incnmaster(const Arg *arg)
 {

From fc45fd2adeec56f9a2a7287db8b9f74f7c9ff38b Mon Sep 17 00:00:00 2001
From: Vladislav Nepogodin <[email protected]>
Date: Tue, 27 Jul 2021 22:50:29 +0400
Subject: [PATCH 2/2] Cleanup

---
 dwl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dwl.c b/dwl.c
index d3a5d651..f9f8b42c 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1168,7 +1168,8 @@ focustop(Monitor *m)
 }
 
 void
-gaplessgrid(Monitor *m) {
+gaplessgrid(Monitor *m)
+{
 	unsigned int n = 0, i = 0, ch, cw, cn, rn, rows, cols;
 	Client *c;