missing attributes in latest release

[joamatab]

 File "src/layout_server/__init__.py", line 29, in init layout_server
         cursor_keys = [lay.KeyCode.Left, lay.KeyCode.Up, lay.KeyCode.Right, lay.KeyCode.Down]
     AttributeError: module 'klayout.lay' has no attribute 'KeyCode'

it seems the KeyCode and ButtonState enums are not available as attributes of the lay module in the current version of Klayout

@sebastian-goeldi

[joamatab]

I tried this fix for it for the KLayout python module

class KeyCode:
    Left = 0x01000012
    Up = 0x01000013
    Right = 0x01000014
    Down = 0x01000015
    Escape = 0x01000000

class ButtonState:
    ShiftKey = 0x02000000
    ControlKey = 0x04000000
    AltKey = 0x08000000
    LeftButton = 0x00000001
    RightButton = 0x00000002
    MidButton = 0x00000004

However arrows don't work

This was a patch release for KLayout and some things were missing

[klayoutmatthias]

Hi Joaquin,

with the availability of configuration pages and editor options pages, the Plugin interface now is tightly connected to Qt, hence vanished from the Python module.

I was not aware the parts of that API are needed like ButtonState or KeyCode (which are eventually also borrowed from Qt). I can bring these parts back, but I would like to leave the Plugin interface in Qt-only space. Will that be enough?

There is this discussion: https://www.klayout.de/forum/discussion/2782/klayout-version-0-30-4-doesnt-let-me-import-plugin-python-class - is that related? The essence is that Plugin itself is not needed.

Best regards,

Matthias

[sebastian-goeldi]

Hi Matthias.

Maybe I can chime in as Joaquin is mainly a user of this rather than the one maintaining it. I used them to capture user inputs for the canvas2canvas project that gdsfactory+ and (at the time) kweb used. I believe even canvas2canvas used it for like state of the shift key etc.

Is there a new way this can be conveyed to the I believe LayoutView?

I basically at some point went on to propagate all key presses not directly intercepted by the browser when over the canvas, which enabled stuff like the panning with arrow keys etc.

[klayoutmatthias]

Understood. I will try to bring the classes back to the Python module.

Matthias

[klayoutmatthias]

I am building a patch release 0.30.4-1 (or "post1" on PyPI) now that brings back the missing classes, including "Plugin". There are ways they could be useful although I doubt someone is using them.

Matthias

[sebastian-goeldi]

Thank you @klayoutmatthias !