From 2dd280bbd70d032e940c41ffa738baadd6580c4d Mon Sep 17 00:00:00 2001
From: sinanmohd <sinan@firemail.cc>
Date: Fri, 22 Sep 2023 14:55:35 +0530
Subject: gaps: implement stable gaps

---
 dwl.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)

(limited to 'dwl.c')

diff --git a/dwl.c b/dwl.c
index cb9fd38..109ae26 100644
--- a/dwl.c
+++ b/dwl.c
@@ -926,6 +926,7 @@ createmon(struct wl_listener *listener, void *data)
 	/* Initialize monitor state using configured rules */
 	for (i = 0; i < LENGTH(m->layers); i++)
 		wl_list_init(&m->layers[i]);
+
 	m->tagset[0] = m->tagset[1] = 1;
 	for (r = monrules; r < END(monrules); r++) {
 		if (!r->name || strstr(wlr_output->name, r->name)) {
@@ -1714,8 +1715,13 @@ monocle(Monitor *m)
 	wl_list_for_each(c, &clients, link) {
 		if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen)
 			continue;
-		resize(c, m->w, 0);
 		n++;
+
+		if (!monoclegaps)
+			resize(c, m->w, 0);
+		else
+			resize(c, (struct wlr_box){.x = m->w.x + gap, .y = m->w.y + gap,
+				.width = m->w.width - 2 * gap, .height = m->w.height - 2 * gap}, 0);
 	}
 	if (n)
 		snprintf(m->ltsymbol, LENGTH(m->ltsymbol), "[%d]", n);
@@ -2449,7 +2455,7 @@ tagmon(const Arg *arg)
 void
 tile(Monitor *m)
 {
-	unsigned int i, n = 0, mw, my, ty;
+	unsigned int i, n = 0, h, r, mw, my, ty;
 	Client *c;
 
 	wl_list_for_each(c, &clients, link)
@@ -2459,21 +2465,26 @@ tile(Monitor *m)
 		return;
 
 	if (n > m->nmaster)
-		mw = m->nmaster ? m->w.width * m->mfact : 0;
+		mw = m->nmaster ? (m->w.width + gap) * m->mfact : 0;
 	else
-		mw = m->w.width;
-	i = my = ty = 0;
+		mw = m->w.width - gap;
+	i = 0;
+	my = ty = gap;
 	wl_list_for_each(c, &clients, link) {
 		if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen)
 			continue;
 		if (i < m->nmaster) {
-			resize(c, (struct wlr_box){.x = m->w.x, .y = m->w.y + my, .width = mw,
-				.height = (m->w.height - my) / (MIN(n, m->nmaster) - i)}, 0);
-			my += c->geom.height;
+			r = MIN(n, m->nmaster) - i;
+			h = (m->w.height - my - gap - gap * (r - 1)) / r;
+			resize(c, (struct wlr_box){.x = m->w.x + gap, .y = m->w.y + my,
+				.width = mw - gap, .height = h}, 0);
+			my += c->geom.height + gap;
 		} else {
-			resize(c, (struct wlr_box){.x = m->w.x + mw, .y = m->w.y + ty,
-				.width = m->w.width - mw, .height = (m->w.height - ty) / (n - i)}, 0);
-			ty += c->geom.height;
+			r = n - i;
+			h = (m->w.height - ty - gap - gap * (r - 1)) / r;
+			resize(c, (struct wlr_box){.x = m->w.x + mw + gap, .y = m->w.y + ty,
+				.width = m->w.width - mw - 2*gap, .height = h}, 0);
+			ty += c->geom.height + gap;
 		}
 		i++;
 	}
-- 
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