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From a229c36f51ad6f8b40109ed53c643f242351962a Mon Sep 17 00:00:00 2001
From: Jonas Dujava <jonas.dujava@gmail.com>
Date: Fri, 26 May 2023 22:14:48 +0200
Subject: [PATCH] Warp patch
Warps the mouse cursor to the center of the currently focused
window or screen when the mouse cursor is
(a) on a different screen, or
(b) on top of a different window.
This version properly handles warping to windows that have not been
mapped yet (before it resulted in a change of the stack order).
See the discussion in (thanks goes to Bakkeby):
https://github.com/bakkeby/patches/issues/60
---
dwm.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/dwm.c b/dwm.c
index e5efb6a..7ea6c14 100644
--- a/dwm.c
+++ b/dwm.c
@@ -228,6 +228,7 @@ 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);
@@ -834,6 +835,7 @@ focusmon(const Arg *arg)
unfocus(selmon->sel, 0);
selmon = m;
focus(NULL);
+ warp(selmon->sel);
}
void
@@ -1366,6 +1368,8 @@ restack(Monitor *m)
wc.sibling = c->win;
}
}
+ if (m == selmon && (m->tagset[m->seltags] & m->sel->tags) && m->lt[m->sellt]->arrange != &monocle)
+ warp(m->sel);
XSync(dpy, False);
while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
@@ -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)
{
--
2.40.1
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