Hi, On Tue, Jun 22, 2021 at 7:42 PM Tomas Janousek <t...@nomi.cz> wrote:
> Hi Alberts and Martin, > > On Mon, Dec 31, 2018 at 09:44:24AM +0100, Martin Flöser wrote: > >Am 2018-12-27 22:22, schrieb Alberts Muktupāvels via wm-spec-list: > >>First I think there should be new property for struts because existing > >>properties can not be used to set struts on edges between two > >>monitors. New property could be named _NET_WM_STRUT_AREA and used to > >>define rectangular area (x, y, width and height) that should be > >>excluded from work area. This property will need to follow at least > >>two rules: > >>- at least one edge of area must match with monitor edge. The window > >>manager must ignore strut if it is not placed at monitor edge. > >>- if strut appears on edge between two monitors it should be ignored > >>when calculating _NET_WORKAREA to ensure backward compatibility. > > > >sounds fine to me. > > > >As a note: in KWin we allow panels on shared edges to set a strut with > >the existing protocol. We just decided that a strut is not allowed to > >cover a complete screen. Technically it's a violation of the current > >protocol, but might be a better idea than introducing yet another > >property. > > > >It could be a simple textual addition like: "Struts covering a monitor > >completely are ignored for that monitor" > > Note that this was discussed back in 2007 and 2009: > https://mail.gnome.org/archives/wm-spec-list/2007-June/msg00000.html > https://mail.gnome.org/archives/wm-spec-list/2009-November/msg00004.html > > There was even a proposal for `_NET_WM_WORKAREAS` and > `_NET_WM_STRUT_AREAS`: > https://mail.gnome.org/archives/wm-spec-list/2009-November/msg00005.html > that was never merged to wm-spec. :-( > https://gitlab.freedesktop.org/xdg/xdg-specs/-/merge_requests/22 Here is my proposal. Linked merge requests are merged with small changes - properties are not using _NET namespace as it was decided that it is not a good idea to change/update specification. > Just like KWin, xmonad and likely a few other tiling WMs implement the > same workaround of not allowing struts to cover an entire screen. That's > been there since 2009, at least. > > But I guess I'm late to the party and we'll need to implement > `_GNOME_WM_STRUT_AREA` as well, as that's now a thing in gnome-panel and > elsewhere, and we're getting bug reports about it. :-/ > Bug reports? gnome-panel still sets old STRUT properties, it does not require that the window manager supports new property. > -- > Tomáš "liskin" ("Pivník") Janoušek, https://work.lisk.in/ > -- Alberts Muktupāvels
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