From bc5206882c71b32198dae5f1c85601a863a7c0a9 Mon Sep 17 00:00:00 2001
From: wochap <gean.marroquin@gmail.com>
Date: Wed, 31 Jul 2024 07:43:10 -0500
Subject: [PATCH] implement movecenter fn

---
 config.def.h |  2 ++
 dwl.c        | 31 +++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/config.def.h b/config.def.h
index 22d2171..f5225d9 100644
--- a/config.def.h
+++ b/config.def.h
@@ -13,6 +13,7 @@ static const float focuscolor[]            = COLOR(0x005577ff);
 static const float urgentcolor[]           = COLOR(0xff0000ff);
 /* This conforms to the xdg-protocol. Set the alpha to zero to restore the old behavior */
 static const float fullscreen_bg[]         = {0.1f, 0.1f, 0.1f, 1.0f}; /* You can also use glsl colors */
+static const int respect_monitor_reserved_area = 0;  /* 1 to monitor center while respecting the monitor's reserved area, 0 to monitor center */
 
 /* tagging - TAGCOUNT must be no greater than 31 */
 #define TAGCOUNT (9)
@@ -142,6 +143,7 @@ static const Key keys[] = {
 	{ MODKEY,                    XKB_KEY_space,      setlayout,      {0} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_space,      togglefloating, {0} },
 	{ MODKEY,                    XKB_KEY_e,         togglefullscreen, {0} },
+	{ MODKEY,                    XKB_KEY_x,          movecenter,     {0} },
 	{ MODKEY,                    XKB_KEY_0,          view,           {.ui = ~0} },
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_parenright, tag,            {.ui = ~0} },
 	{ MODKEY,                    XKB_KEY_comma,      focusmon,       {.i = WLR_DIRECTION_LEFT} },
diff --git a/dwl.c b/dwl.c
index 145fd01..791e598 100644
--- a/dwl.c
+++ b/dwl.c
@@ -336,6 +336,8 @@ static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
 static void togglefloating(const Arg *arg);
 static void togglefullscreen(const Arg *arg);
+static void _movecenter(Client *c, int interact);
+static void movecenter(const Arg *arg);
 static void toggletag(const Arg *arg);
 static void toggleview(const Arg *arg);
 static void unlocksession(struct wl_listener *listener, void *data);
@@ -2683,6 +2685,35 @@ togglefullscreen(const Arg *arg)
 		setfullscreen(sel, !sel->isfullscreen);
 }
 
+void
+_movecenter(Client *c, int interact)
+{
+	struct wlr_box b;
+
+	if (!c || !c->mon) {
+		return;
+	}
+
+	if (!c->isfloating) {
+		return;
+	}
+
+	b = respect_monitor_reserved_area ? c->mon->w : c->mon->m;
+	resize(c, (struct wlr_box){
+		.x = (b.width - c->geom.width) / 2 + b.x,
+		.y = (b.height - c->geom.height) / 2 + b.y,
+		.width = c->geom.width,
+		.height = c->geom.height,
+	}, interact);
+}
+
+void
+movecenter(const Arg *arg)
+{
+	Client *c = focustop(selmon);
+	_movecenter(c, 1);
+}
+
 void
 toggletag(const Arg *arg)
 {
-- 
2.45.2