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Thank you,
On Mon, Mar 09, 2026 at 02:31:23AM +0200, Ruben Gonzalez wrote:
> When a fullscreen window is moved to another monitor (e.g. via
> tagmon), its geometry does not always match the new monitor's
> dimensions.
>
> Steps to reproduce:
> 1. Start dwm with two monitors (A and B).
> 2. Open a window on Monitor A.
> 3. Make the window fullscreen (e.g. Firefox with F11).
> 4. Move the window to Monitor B using the tagmon shortcut (Mod+Shift+>).
> 5. Go to the other monitor (B), observe that the window is still
> visible on Monitor A and its contents, even though the window's title
> is seen on Monitor B bar.
> 6. Go to the monitor A where the window is still in fullscreen, remove
> the fullscreen and the window automatically will go to monitor B.
>
> This fix ensures that fullscreen windows are correctly resized to the
> new monitor's geometry during the move.
>
> 0001-sendmon-resize-fullscreen-windows-to-target-monitor.patch
>
> From 0bcf8e03402b657a6bb93bb662e72bf299f45bbb Mon Sep 17 00:00:00 2001
> From: Ruben Gonzalez <gonzaru_AT_sdf.org>
> Date: Sun, 8 Mar 2026 11:24:40 +0200
> Subject: [dwm][PATCH] sendmon: resize fullscreen windows to target monitor
>
> ---
> dwm.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/dwm.c b/dwm.c
> index 0a67103..6fe226f 100644
> --- a/dwm.c
> +++ b/dwm.c
> _AT_@ -1429,6 +1429,8 @@ sendmon(Client *c, Monitor *m)
> c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
> attach(c);
> attachstack(c);
> + if (c->isfullscreen)
> + resizeclient(c, m->mx, m->my, m->mw, m->mh);
> focus(NULL);
> arrange(NULL);
> }
> --
>
--
Kind regards,
Hiltjo
Received on Mon Mar 09 2026 - 09:41:17 CET