From 33f3ba717a61e68ddd3ce2fcb505df9fc6a61a85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Romain=20Gon=C3=A7alves?= <me@rgoncalves.se>
Date: Wed, 15 Dec 2021 21:25:09 +0100
Subject: patches: Add warp for automatically moving mouse

---
 dwm.c                     | 26 +++++++++++++++++++++
 patches/dwm-warp-6.2.diff | 58 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 patches/dwm-warp-6.2.diff

diff --git a/dwm.c b/dwm.c
index bd712ad..f34f8c5 100644
--- a/dwm.c
+++ b/dwm.c
@@ -227,6 +227,7 @@ static void updatetitle(Client *c);
 static void updatewindowtype(Client *c);
 static void updatewmhints(Client *c);
 static void view(const Arg *arg);
+static void warp(const Client *c);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
@@ -833,6 +834,7 @@ focusmon(const Arg *arg)
 	unfocus(selmon->sel, 0);
 	selmon = m;
 	focus(NULL);
+	warp(selmon->sel);
 }
 
 void
@@ -1377,6 +1379,8 @@ restack(Monitor *m)
 	}
 	XSync(dpy, False);
 	while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+	if (m == selmon && (m->tagset[m->seltags] & m->sel->tags) && selmon->lt[selmon->sellt] != &layouts[2])
+		warp(m->sel);
 }
 
 void
@@ -2071,6 +2075,28 @@ view(const Arg *arg)
 	arrange(selmon);
 }
 
+void
+warp(const Client *c)
+{
+	int x, y;
+
+	if (!c) {
+		XWarpPointer(dpy, None, root, 0, 0, 0, 0, selmon->wx + selmon->ww/2, selmon->wy + selmon->wh/2);
+		return;
+	}
+
+	if (!getrootptr(&x, &y) ||
+	    (x > c->x - c->bw &&
+	     y > c->y - c->bw &&
+	     x < c->x + c->w + c->bw*2 &&
+	     y < c->y + c->h + c->bw*2) ||
+	    (y > c->mon->by && y < c->mon->by + bh) ||
+	    (c->mon->topbar && !y))
+		return;
+
+	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
+}
+
 Client *
 wintoclient(Window w)
 {
diff --git a/patches/dwm-warp-6.2.diff b/patches/dwm-warp-6.2.diff
new file mode 100644
index 0000000..813c41d
--- /dev/null
+++ b/patches/dwm-warp-6.2.diff
@@ -0,0 +1,58 @@
+diff --git a/dwm.c b/dwm.c
+index 4465af1..bf74f60 100644
+--- a/dwm.c
++++ b/dwm.c
+@@ -227,6 +227,7 @@ static void updatetitle(Client *c);
+ static void updatewindowtype(Client *c);
+ static void updatewmhints(Client *c);
+ static void view(const Arg *arg);
++static void warp(const Client *c);
+ static Client *wintoclient(Window w);
+ static Monitor *wintomon(Window w);
+ static int xerror(Display *dpy, XErrorEvent *ee);
+@@ -827,6 +828,7 @@ focusmon(const Arg *arg)
+ 	unfocus(selmon->sel, 0);
+ 	selmon = m;
+ 	focus(NULL);
++	warp(selmon->sel);
+ }
+ 
+ void
+@@ -1367,6 +1369,8 @@ restack(Monitor *m)
+ 	}
+ 	XSync(dpy, False);
+ 	while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
++	if (m == selmon && (m->tagset[m->seltags] & m->sel->tags) && selmon->lt[selmon->sellt] != &layouts[2])
++		warp(m->sel);
+ }
+ 
+ void
+@@ -2044,6 +2048,28 @@ view(const Arg *arg)
+ 	arrange(selmon);
+ }
+ 
++void
++warp(const Client *c)
++{
++	int x, y;
++
++	if (!c) {
++		XWarpPointer(dpy, None, root, 0, 0, 0, 0, selmon->wx + selmon->ww/2, selmon->wy + selmon->wh/2);
++		return;
++	}
++
++	if (!getrootptr(&x, &y) ||
++	    (x > c->x - c->bw &&
++	     y > c->y - c->bw &&
++	     x < c->x + c->w + c->bw*2 &&
++	     y < c->y + c->h + c->bw*2) ||
++	    (y > c->mon->by && y < c->mon->by + bh) ||
++	    (c->mon->topbar && !y))
++		return;
++
++	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
++}
++
+ Client *
+ wintoclient(Window w)
+ {
-- 
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