Re: WM hints again!!!!!!
- From: raster redhat com
- To: jirka 5z com
- cc: gnome-list gnome org
- Subject: Re: WM hints again!!!!!!
- Date: Thu, 23 Apr 1998 09:09:59 -0400 (EDT)
On 23 Apr, George shouted:
-> Quoting Max Watson (email@example.com):
-> > At 10:44 AM 4/22/98 -0700, George wrote:
-> > >> no. need 2 more "ALWAYS_ONTOP" and "ALWAYS_BELOW" - the panel has to
-> > >> set "ALWAYS_ONTOP" so it is NEVER obscured by anything else the WM
-> > >> creates or manages.
-> > >
-> > >optionally though I guess ...
-> > >
-> > >some people might want to put windows on top of the panel .... and if
-> > >the panel is then a normal window, at least automatic placement will be
-> > >aware of it
-> > >
-> > >so that's 4:
-> > >
-> > >STICKY
-> > >DESKTOP_NUM
desktop_num isn't much use unles the app knows:
1. how many desktops are there
2. what desktop are we on now
and a num isnt much of a generalization.. I suggest a mask (bitmaks) to
determine what desktop the app lives on so if we have 8 desktops the
bits in the byte of the mask could be:
ie it lives on desktops 0,2,5 and 6
thiw is a generalization of the desktop_num thing - well E 0.14
supports it and is how it does ti interanalls - 0.14 is limited to 32
virtual desktops - why you would ever need more beats me.
but we can extend this to - wm sets the numebr of desktops as a
property onthe root window.. the app can suply as many vbytes as needed
with the correct bits set to create a mask for which desktop it lives
on.. if the number of desktops change - the wm can changed the root
window property. the app can get this as a propertychange event ias
long as it selects it.
-> > >ALWAYS_ON_TOP
-> > >ALWAYS_BELOW
-> > >
-> > >anybody want to write a spec? ... it needs to work nicely around other
-> > >browsers ... also they shouldn't be set from the app itself but from an
-> > >api in libgnomeui
-> > >
-> > >if STICKY is not available, we need override redirect, if we can't
-> > >set/get DESKTOP_NUM, ignore it as well as _ONTOP and _BELOW as tehre are
-> > >no workarounds for those at all ... (and override redirect isn't a very
-> > >good workaround either, but it should make it work with any wm)
-> > >
-> > >I don't see these as really gnome specific, but more arising from the
-> > >capabilities of modern WMs which motif/openlook hints seems to miss ...
-> > >it shouldn't be hard convincing WM writers to provide these, since it
-> > >seems quite simple to honor them ... and they can easily be used in
-> > >other apps (not gnome apps) ...
-> > >
-> > I will write up an API proposal and post it to this list tomorrow. In
-> > addition to the four hints George proposes above, I believe three others
-> > are needed.
-> > The first would be a hint that the wm sets to announce that it is "GNOME
-> > aware," similar to the MOTIF_IS_WM wm hint. This can be used by libgnomeui
-> > to determine whether to use the STICKY hint, or fallback to override
-> > redirect if the WM_IS_GNOME_AWARE hint is not set, etc.
-> > The second would be a GNOME_PANEL_PROPERTIES hint that the panel(s) can set
-> > to let a wm know it's size and position on screen so that the wm can
-> > (optionally, as all hints are, of course) set aside that space when
-> > maximizing windows or using smart placement, etc.
-> yes .. the first one is needed the second one is very nice ... but I
-> would name it something like GNOME_NO_CLUTTER or something like that ..
-> basically a window with this hint would make the window manager take
-> maximum care not to put windows over it
-> > The third hint is another hint for the wm to set. This would be a hint to
-> > specify which virtual desktop an application resides on. This hint would
-> > not be needed by applications directly, but would be very useful for
-> > session-management purposes. Currently all apps restart one desktop, or at
-> > least they do on my machine running a modified icewm.
-> I already mentioned this one so it's 6 hints ...
-> > If anyone can come up with a standard way to accomplish these things, other
-> > than a proprietary hint, please let me know. Otherwise I will post an API
-> > proposal here tomorrow, and get started adding it to libgnomeui. BTW, how
-> > does one go about getting write access to the CVS?
-> one goes about that by asking miguel ... and if it's the third full moon
-> in a year and the position of the casiopea constelation is parallel with
-> our plane of universe .... or if he thinks that you'll need it ... he'll
-> give it to you ...:)
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