** Changed in: compiz
Milestone: 0.9.12.1 => 0.9.12.2
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https://bugs.launchpad.net/bugs/729903
Title:
Xrandr, Handle RRScreenChangeNotify in src/screen.cpp
Status in Compiz:
Triaged
Status in compiz package in Ubuntu:
Confirmed
Bug description:
Binary package hint: compiz
Release: Ubuntu "Natty Narwhal", current as of today (2011/03/05)
Package Version: 1:0.9.4-0ubuntu3
Summary: When using the 'gnome-display-properties' tool or the
'xrandr' command line tool to change the display configuration from
single to dual monitor and etc., compiz did not properly handle that
event. The attached quilt patch fixes this deficiency.
I have a laptop with a 1400x1050 display, and an LCD monitor with a
1680x1050 display. When I start with only the laptop screen enabled,
and use the 'gnome-display-properties' to turn on the external
display, it defaults to placing the external display to the right of
the laptop panel. When I turn it on with that configuration, and then
move the external monitor over to the left of the laptop panel, which
is where it really is, physically, and then click apply, compiz did
not update it's idea of the output dimensions. The external display
will be on the left, but only 1400x1050 of it is used, and windows on
the laptop panel will maximize to 1680x1050, overlapping the real
screen onto the external monitor.
After applying this patch, it works as expected.
Also, I noticed that nowhere in core or any plugins was compiz
actually asking the X Server to provide it with RRScreenChangeNotify
events, despite the fact that the event handler in
plugins/composite/screen.cpp has a switch case looking for them. It
could not ever have updated the display refresh rates without having
selected those events. This patch does that, and so I think that code
can run now, when a new monitor or projector gets plugged in.
What remains is to write a plugin that handles screen rotation on
tablet computers, syncing the rotation setting with the wacom /
touchscreen rotation and sizes. I might try and write that. Any ideas?
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