On Wed, Jan 16, 2019 at 10:35:13AM +0200, Pekka Paalanen wrote: > On Tue, 15 Jan 2019 23:21:05 +0100 > Carlos Garnacho <[email protected]> wrote: > > > If Xwayland gets to realize a window meant for composition before the > > compositor redirected windows (i.e. redirect mode is not RedirectDrawManual > > yet), the window would stay "invisible" as we wouldn't create a > > wl_surface/wl_shell_surface for it at any later point. > > > > This scenario may happen if the wayland compositor raises Xwayland on > > demand for a X11 client being started. In this case the first data on > > the socket is the client's, the compositor can hardly beat that in > > order to redirect subwindows before the client realizes a Window. > > > > In order to handle this case, allow the late creation of a matching > > (shell) surface for the WindowPtr on SetWindowPixmapProc, so it is ensured > > to be created after the compositor set up redirection. > > > > Signed-off-by: Carlos Garnacho <[email protected]> > > --- > > hw/xwayland/xwayland.c | 37 +++++++++++++++++++++++++++++++++++++ > > hw/xwayland/xwayland.h | 1 + > > 2 files changed, 38 insertions(+) > > Hi Carlos, > > this reminds me of other ordering issues with starting Xwayland on > demand: xrdb. I presume the X resources should be merged before any app > X11 client is processed, so that they see the user's resources at > start-up. AFAIK, that cannot happen if Xwayland is started on-demand. > Either it is too late if app start-up triggers it, or then you launch > Xwayland at desktop start-up, essentially not doing on-demand anymore. > Have you seen people complain about that? > > Could that be fixed somehow? > > Pass the X11 app socket to Xwayland later after the XWM init is > complete? Stall non-XWM clients inside Xwayland by default until XWM is > ready?
Hi, At least for traditional Xlib/Xt applications, The ~/.Xdefaults file is read by applications. It's less efficient than having resouces loaded in the X server by xrdb, but you can always link .Xdefaults to .Xresources for this kind of situation. Not sure if Gtk/Qt/whatever use the Xlib functions or if they have their own code that would ignore .Xdefaults. -- Matthieu Herrb
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