7 Sep
2015
7 Sep
'15
5:29 a.m.
On Monday 07 September 2015 00.18:26 Timothy Pearson wrote:
(...)
(...)
The puzzle is
this: TDE proposes a system tray applet named "Resize and
Rotate". It works like a charm, wich is usefull because the X220t's
battery
is a little bulky and lifts the back of the computer This is good in
Notebook
mode, but in Tablet mode, with the screen _physicaly_ rotated 180°, it's
the
front that is higher that the back. So if I rotate the screen _per
software_
180° everything is fine... However, the digitizer does not get the
information, so the pointer appears on the wrong side of the screen -
this is
funny for 30 seconds but unusable after that.
So, does anyone have an idea how to also rotate the touchscreen digitizer
180°? This does work in Windows 10, but I'd prefer to use Linux :)
Have a nice evening,
Thierry
Interesting! I've never had the opportunity to use TDE on a tablet
computer, so I'm somewhat surprised it's working even that well.
A quick Google search show that this might be an Xorg bug:
https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/217182
There is also a potential workaround via the wacomrotate package:
https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/217182/comments
/14
Most likely we need to:
1.) Make TDE aware of the digitizer (you can help with this by sending in
the terminal spew generated when you execute "tdecmshell hwmanager")
2.) apply whatever workaround is in that wacomrotate package when screen
rotation is requested via tdehwlib.
Tim
Hi Tim,
Thank you for the pointers to Xorg. I'll try the workaround and report if they
cure the problem.
Runing tdecmshell hwmanager gives this on the terminal:
[tdebuildsycoca] tdebuildsycoca running...
[tdebuildsycoca] Reusing existing tdesycoca.
[dcopserver] DCOP Cleaning up dead connections.
[FIXME] UNCLASSIFIED DEVICE name: ptp0 type: (null) subsystem: ptp driver:
e1000e [Node Path: /dev/ptp0]
[Syspath: /sys/devices/pci0000:00/0000:00:19.0/ptp/ptp0] [8086:1502]
Then hwmanager opens but I did not have time yet to look in detail.
I've bought this "convertible" out of dissatisfaction with tablets and I
must
say that, if it's more heavy, it's far better. No Linux distribution /
interface I've tried was really satisfying. KDE is really bad, Gnome 3 is
partly usable, maybe Unity is better.
The basic problem is that a good desktop interface is hi-resolution but our
fingers are not made for that... And a touch interface looks like a stuipid
waste of pixel on a desktop.
The convertible lets me use the laptop as usual (with TDE) and use the
digitizer only when needed (for teaching).
Globaly I'd say TDE works better that KDE on this machine. If we wanted
a "tablet mode" we would need a way to make all command zones bigger in that
mode.
If I can provide any information just ask - I don't know if this is really
much needed, but I guess touchscreens will get more frequent now.
Thierry