reintroduce centeredmaster

_STALE_PATCHES/centeredmaster.md

@@ -1,30 +0,0 @@
-### Description
-
-This is a port of centeredmaster patch for dwm: <https://dwm.suckless.org/patches/centeredmaster>
-
-centeredmaster centers the nmaster area on screen, using mfact * monitor
-width & height, with the stacked windows distributed to the left and
-right. It can be selected with `Alt+c`.
-
-With one and two clients in master respectively this results in:
-
-```
-+------------------------------+       +------------------------------+
-|+--------++--------++--------+|       |+--------++--------++--------+|
-||        ||        ||        ||       ||        ||        ||        ||
-||        ||        ||        ||       ||        ||   M1   ||        ||
-||        ||        ||        ||       ||        ||        ||        ||
-||  S2    ||   M    ||   S1   ||       ||        |+--------+|        ||
-||        ||        ||        ||       ||        |+--------+|        ||
-||        ||        ||        ||       ||        ||        ||        ||
-||        ||        ||        ||       ||        ||   M2   ||        ||
-||        ||        ||        ||       ||        ||        ||        ||
-|+--------++--------++--------+|       |+--------++--------++--------+|
-+------------------------------+       +------------------------------+
-```
-
-### Download
-- [2023-05-20](https://github.com/djpohly/dwl/compare/main...NikitaIvanovV:centeredmaster.patch)
-
-### Authors
-- [Nikita Ivanov](https://github.com/NikitaIvanovV)

centeredmaster/centeredmaster.patch

@@ -0,0 +1,114 @@
+From 9f8c11325b14939e325e48995fb5a62d51d66fa4 Mon Sep 17 00:00:00 2001
+From: wochap <gean.marroquin@gmail.com>
+Date: Tue, 5 Mar 2024 21:58:19 -0500
+Subject: [PATCH] apply nikita centeredmaster patch
+
+source: https://github.com/djpohly/dwl/wiki/centeredmaster
+---
+ config.def.h |  2 ++
+ dwl.c        | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 65 insertions(+)
+
+diff --git a/config.def.h b/config.def.h
+index db0babc..95611ef 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -33,6 +33,7 @@ static const Layout layouts[] = {
+ 	{ "[]=",      tile },
+ 	{ "><>",      NULL },    /* no layout function means floating behavior */
+ 	{ "[M]",      monocle },
++	{ "|M|",      centeredmaster },
+ };
+ 
+ /* monitors */
+@@ -132,6 +133,7 @@ static const Key keys[] = {
+ 	{ MODKEY,                    XKB_KEY_t,          setlayout,      {.v = &layouts[0]} },
+ 	{ MODKEY,                    XKB_KEY_f,          setlayout,      {.v = &layouts[1]} },
+ 	{ MODKEY,                    XKB_KEY_m,          setlayout,      {.v = &layouts[2]} },
++	{ MODKEY,                    XKB_KEY_c,          setlayout,      {.v = &layouts[3]} },
+ 	{ MODKEY,                    XKB_KEY_space,      setlayout,      {0} },
+ 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_space,      togglefloating, {0} },
+ 	{ MODKEY,                    XKB_KEY_e,         togglefullscreen, {0} },
+diff --git a/dwl.c b/dwl.c
+index ef27a1d..0ab3789 100644
+--- a/dwl.c
++++ b/dwl.c
+@@ -235,6 +235,7 @@ static void arrangelayer(Monitor *m, struct wl_list *list,
+ static void arrangelayers(Monitor *m);
+ static void axisnotify(struct wl_listener *listener, void *data);
+ static void buttonpress(struct wl_listener *listener, void *data);
++static void centeredmaster(Monitor *m);
+ static void chvt(const Arg *arg);
+ static void checkidleinhibitor(struct wlr_surface *exclude);
+ static void cleanup(void);
+@@ -597,6 +598,68 @@ buttonpress(struct wl_listener *listener, void *data)
+ 			event->time_msec, event->button, event->state);
+ }
+ 
++void
++centeredmaster(Monitor *m)
++{
++	unsigned int i, n, h, mw, mx, my, oty, ety, tw;
++	Client *c;
++
++	n = 0;
++	wl_list_for_each(c, &clients, link)
++		if (VISIBLEON(c, m) && !c->isfloating && !c->isfullscreen)
++			n++;
++	if (n == 0)
++		return;
++
++	/* initialize areas */
++	mw = m->w.width;
++	mx = 0;
++	my = 0;
++	tw = mw;
++
++	if (n > m->nmaster) {
++		/* go mfact box in the center if more than nmaster clients */
++		mw = m->nmaster ? m->w.width * m->mfact : 0;
++		tw = m->w.width - mw;
++
++		if (n - m->nmaster > 1) {
++			/* only one client */
++			mx = (m->w.width - mw) / 2;
++			tw = (m->w.width - mw) / 2;
++		}
++	}
++
++	i = 0;
++	oty = 0;
++	ety = 0;
++	wl_list_for_each(c, &clients, link) {
++		if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen)
++			continue;
++		if (i < m->nmaster) {
++			/* nmaster clients are stacked vertically, in the center
++			 * of the screen */
++			h = (m->w.height - my) / (MIN(n, m->nmaster) - i);
++			resize(c, (struct wlr_box){.x = m->w.x + mx, .y = m->w.y + my, .width = mw,
++				   .height = h}, 0);
++			my += c->geom.height;
++		} else {
++			/* stack clients are stacked vertically */
++			if ((i - m->nmaster) % 2) {
++				h = (m->w.height - ety) / ( (1 + n - i) / 2);
++				resize(c, (struct wlr_box){.x = m->w.x, .y = m->w.y + ety, .width = tw,
++					   .height = h}, 0);
++				ety += c->geom.height;
++			} else {
++				h = (m->w.height - oty) / ((1 + n - i) / 2);
++				resize(c, (struct wlr_box){.x = m->w.x + mx + mw, .y = m->w.y + oty, .width = tw,
++					.height = h}, 0);
++				oty += c->geom.height;
++			}
++		}
++		i++;
++	}
++}
++
+ void
+ chvt(const Arg *arg)
+ {
+-- 
+2.42.0