[Gambas-user] cannot load component 'gb.qt5' - WSL Ubuntu 20.04

[dahaiou at gmail.com]

Thanks for the answer Bruce,

 

Regarding the qt5 installation, that was another thing I had already done:

“sudo apt install qt5-default” – and that installation appeared to work OK

 

And, trying out the command you suggested now, here is the result:

 

Ubuntu:~$ env GB_GUI=gb.gtk3 gambas3

gb.gui.qt: warning: 'gb.gtk3' component not supported

gb.gui.qt: error: cannot load component 'gb.qt5'

 

So now it’s two errors instead of just one, some small progress.

 

What I did then:

So, thinking gt3 was not installed, after hunting around, I added the ppa:gnome3-team/gnome3

and followed instructions I found on the net

 

sudo apt dist-upgrade

 

Seems to be installed now

sudo apt-get install libgtk-3-dev

Reading package lists... Done

Building dependency tree

Reading state information... Done

libgtk-3-dev is already the newest version (3.24.20-0ubuntu1).

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

 

But I am still getting the same two errors as above

 

I am also checking that whereis finds the qt5 installation, which it does, but not gtk or gtk3

~$ whereis qt5

qt5: /usr/lib/x86_64-linux-gnu/qt5 /usr/lib/qt5 /usr/share/qt5

 

~$ whereis gtk3

gtk3:

- and gtk without the 3 gives the same result

 

Summary: A little progress here, with the new error message, but still no luck launching gambas3.

Any ideas on what I can try next?

 

/Henrik

 

From: User <user-bounces at lists.gambas-basic.org> On Behalf Of Bruce Steers
Sent: Tuesday, 9 February 2021 17:35
To: Gambas Mailing List <user at lists.gambas-basic.org>
Subject: Re: [Gambas-user] cannot load component 'gb.qt5' - WSL Ubuntu 20.04

 

It's possible your qt5 installation is not complete.

Other apps like synaptic will default to whatever gui system is available

 

Does gambas run if you run it in gtk mode? 

Type (or change the launcher command to) this...

env GB_GUI=gb.gtk3 gambas3

 

Or it should auto-select the available desktop gui system with...

env GB_GUI=gb.gui gambas3

 

and also possible may be your gambas purge/uninstall is not quite getting everything.

after apt uninstall/purge then look the check the folders /usr/lib/gambas3 and /usr/share/gambas3 have gone and /usr/bin/gb* files and /usr/bin/gambas3.gambas

 

All the best

BruceS

 

On Tue, 9 Feb 2021 at 14:41, <dahaiou at gmail.com <mailto:dahaiou at gmail.com> > wrote:

Hello all, my first post here.

 

I saw a thread about this here in the list from October, with a couple of replies by Bruce,

but it wasn’t clear if the OP managed to get it working or not.

 

I have the exact same fault, when installing gambas3 on Ubuntu 20.04 under WSL:

The installation as such is apparently successful with no errors, but when giving

the command “gambas3” it fails directly with the following message:

 

gb.gui.qt: error: cannot load component 'gb.qt5'

 

I am using the Xming X-server under Windows and other X apps (eg. synaptic) work fine.

 

I have rinsed and repeated installs and purge/uninstalls of gambas3 multiple times,

both with synaptic from the PPA, as suggested by Bruce, and plain apt-get install from CLI,

but still getting that same error every time.

 

So, I would very much appreciate ideas or pointers on how to troubleshoot and deal with this.

 

BR, Henrik

 

 


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