On 02/18/2011 10:49 AM, Uli Schlachter wrote:
At the end of your rc.lua, do:
recurse = true
client.add_signal("new", function(c)
c:add_signal("property::icon", function()
-- Make sure we aren't going into an endless loop when changing the icon
if not recurse then return end
if not client.icon then return end
-- Here you can do something with c.icon, e.g.:
c.icon:save("/tmp/icon.png")
local h =
io.popen("convert -colorspace Gray /tmp/icon.png /tmp/icon2.png")
recurse = false
c.icon = image("/tmp/icon2.png")
recurse = true
end)
end)
No idea if this works (I don't even know if that "convert" call works), but I
hope this helps you finding something that works.
Cheers,
Uli
Thanks a lot, it worked like a charm! The only thing I had to remove was
line:
if not client.icon then return end
because it always remained nil. And one more thing, I had to read
something from popened stream because without it the call to convert
lagged behind (I presume, it were done concurrently) and next line used
the old icon.
I still don't understand how the signal works in this case and why it
handles particularly taskbar icons. So I have to ask one more question -
how the same thing could be done for the systray? Sorry for me being a
little annoying:)
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