Make it possible to enable/disable main menu in Ubuntu Touch

[rinigus]

Right now, enabled is just a dummy property. Fix it properly. Corresponding log from earlier issue:

Published using Logviewer for Ubuntu Touch
From file /home/phablet/.cache/upstart/application-click-osmscout-server.jonnius_osmscout-server_2.0.0.log:
Loading module: 'libubuntu_application_api_touch_mirclient.so.3.0.0'
library "libgui.so" wasn't loaded and RTLD_NOLOAD prevented it
Creating a QMirClientScreen now
qml: Error while creating component
qml: qrc:/qml/MainMenu.qml:29 "MenuDrawerPL.enabled" is not available due to component versioning.

qrc:/qml/platform/ApplicationWindowPL.qml:60: TypeError: Value is null and could not be converted to an object
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Cannot call method 'open' of null
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Cannot call method 'open' of null
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Cannot call method 'open' of null
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error
qt.qpa.mirclient: Attempted to deliver an event to a non-existent window, ignoring.
Loading module: 'libubuntu_application_api_touch_mirclient.so.3.0.0'
library "libgui.so" wasn't loaded and RTLD_NOLOAD prevented it
Creating a QMirClientScreen now
qml: Error while creating component
qml: qrc:/qml/MainMenu.qml:29 "MenuDrawerPL.enabled" is not available due to component versioning.

qrc:/qml/platform/ApplicationWindowPL.qml:60: TypeError: Value is null and could not be converted to an object
[PERFORMANCE]: Last frame took 88 ms to render.
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Cannot call method 'open' of null
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Cannot call method 'open' of null
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Cannot call method 'open' of null
qrc:/qml/platform/ApplicationWindowPL.qml:82: TypeError: Type error

[rinigus]

As it is using Qt Controls2 Drawer, we just need to wait for Qt 5.12 update of Ubuntu Touch. See https://doc.qt.io/qt-5/qml-qtquick-controls2-popup.html#enabled-prop

[jonnius]

We already have Qt 5.12 in Ubuntu Touch.

[rinigus]

The issue above should not have happened after Qt 5.10 - so I wonder whether update to 5.12 happened in meantime?

[jonnius]

We were on Qt 5.12 when we hit the issue. I just tested removing 6dc09e3 and the issue persists. It seems we have QtQuickControls 2.5 (qtquickcontrols2-5-dev) in UT.

[rinigus]

Strange, there is no such version. See https://doc.qt.io/qt-5/qtquickcontrols-index.html#versions . I wonder why removing that commit doesn't fix it. The error

"MenuDrawerPL.enabled" is not available due to component versioning.

indicates that we are limiting it by versioning, but 2.12 should have it available. Puzzling and cannot really test it over here either.

[jonnius]

Trying to get help in UT app dev group...

In fact you can reproduce the issue easily in Clickable Desktop Mode as explained in https://github.com/rinigus/osmscout-server/tree/master/packaging/click#readme.

[rinigus]

Couldn't get clickable desktop to run last night when I tried and then, after some struggling, had to stop with it. Let's see if we will get help.

[jonnius]

I would be interested in understanding your struggle in order to improve Clickable.

[jonnius]

Some comment from the group:

if you have other QMLs in the project importing a different version, it can cause problems. had this issue with like addressbook and dialer iirc, when updating to 5.12

[jonnius]

And by the way, we have QtQuick and Controls 2.12 in UT, not 2.5. That number is something else.

[rinigus]

We do have a mix of versions, as we have support from Qt version of SFOS (5.6). So, the base is imported with the lower version. Maybe that is what we are hitting here. Let's keep it open and see when we can bump the versions for Qt.

As such, this issue is nothing major and may prevent some corner case when server process crashes. However, it will just be impossible to apply any changes anyway, so it should be OK for now.

[rinigus]

Is it resolved now with UT 20.04?

[jonnius]

We already have reverted this workaround. See #402.

[rinigus]

Excellent. closing it here then.