Document tweaks for the PineTab especially, but not exclusively.

To change the view after every reboot or suspend to landscape again it's a good idea to make a script and a desktop icon.

First install wlr-randr

sudo apt install wlr-randr

Make a script (e.g. ~/.local/bin/pt-landscape.sh)

#!/bin/bash
# set pinetab landscape mode (it is landscapeInverted)
wlr-randr --output DSI-1 --transform 270

For a desktop icon you need a file under .local/share/applications (e.g. ~/.local/share/applications/pt-landscape.desktop)

[Desktop Entry]
Name=Landscape
Type=Application
Icon=object-rotate-left-symbolic
TryExec=wlr-randr
Exec=pt-landscape.sh
Categories=Utility;

To let Phosh start in landscape (theoreticaly) you need a rotate in /etc/phosh/phoc.ini look like this. Wired that a rotation of 90 degrees looks to be the right value, not 270. But the landscape login screen is not persistent.

[cursor:seat0]
map-to-output:DSI-1

[output:DSI-1]
scale = 1
rotate = 90

...

Edit: after a fresh flash it's gone. May be it was a result of to many experiments.

Using mobian on a sdcard to conserve UT on the emmc of the device caused an automount loop (check with 'sudo journalctl -f' in a terminal) using gnome-tweaks or try to edit preferences (ex. App Balsa Edit→Preferences→Settings). It makes the UI unresponsive!

The only way I could fix it as user mobian was

systemctl --user mask gvfs-udisks2-volume-monitor.service

After that, this can be found in the log, but UI ist responsive

Okt 05 14:50:44 mobian dbus-daemon[1761]: [session uid=1000 pid=1761] Activating via systemd: service name='org.gtk.vfs.UDisks2VolumeMonitor' unit='gvfs-udisks2-volume-monitor.service' requested by ':1.81' (uid=1000 pid=2554 comm="balsa ")
Okt 05 14:50:44 mobian dbus-daemon[1761]: [session uid=1000 pid=1761] Activation via systemd failed for unit 'gvfs-udisks2-volume-monitor.service': Unit gvfs-udisks2-volume-monitor.service is masked.
Okt 05 14:50:44 mobian org.desktop.Balsa.desktop[2554]: Error creating proxy: Error calling StartServiceByName for org.gtk.vfs.UDisks2VolumeMonitor: Unit gvfs-udisks2-volume-monitor.service is masked. (g-io-error-quark, 36)

With the update of sqeekboard to version 1.10, the honoring of the variable screen-keyboard-enable is supported. So using this combined with some udev magic can give us a rule: mechanical keyboard attached → disable On-Screen-Keyboard and vice versa.

To do this create two script in /home/mobian/scripts. One named osk-on.sh with

gsettings set org.gnome.desktop.a11y.applications screen-keyboard-enabled true

and the other one named osk-off.sh with

gsettings set org.gnome.desktop.a11y.applications screen-keyboard-enabled false

Then create a file /etc/udev/rules.d/99-attach-keyboard.rules with following code

ACTION=="add", SUBSYSTEM=="usb", ENV{PRODUCT}=="258a/1e/100", RUN+="/bin/su mobian --command='/home/mobian/scripts/osk-off.sh'"
ACTION=="remove", SUBSYSTEM=="usb", ENV{PRODUCT}=="258a/1e/100", RUN+="/bin/su mobian --command='/home/mobian/scripts/osk-on.sh'"

After this issue

udevadm control --reload

and enjoy your new keyboard switching!