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linuxmint / muffin

The window management library for the Cinnamon desktop (libmuffin) and its sample WM binary (muffin)
GNU General Public License v2.0
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Muffin does not respect input_shape_combine_region #555

Open LiraNuna opened 4 years ago

LiraNuna commented 4 years ago 
 * muffin 4.4.2
 * Linux Mint 19.3 Cinnamon
 * GeForce GTX 1080, NVIDIA driver 440.64
 * x86_64

Issue It seems that Muffin does not respect input_shape_combine_region call that passes through events to the window behind the application.

Steps to reproduce This script creates a new application window that uses input_shape_combine_region as an example: https://www.reddit.com/r/GTK/comments/fo4jw5/how_to_implement_ignore_the_mouse_events_of_a_gtk/flos2w1/

This script correctly works on Xubuntu (as an example) but will "swallow" events on Mint/Cinnamon.

Expected behaviour Events should pass through to the window behind the windows with input_shape_combine_region

mtwebster commented 4 years ago

I can't reproduce this on either cinnamon/muffin 4.4 current release or git master.

https://www.dropbox.com/s/9kw54ct4ydmm70l/Screencast%202020-04-26%2021%3A56%3A54.mp4?dl=0

To rule out any settings issue have you tried creating a new user and testing this there?

LiraNuna commented 4 years ago

Just tried it using a brand new user and I can still reproduce this. What kind of information do you suggest I collect to attempt to narrow down the difference?

I booted into a live usb of linuxmint-19.3-cinnamon-64bit.iso with sha256 of 7a9e54212433c8547edfd789ac933c91a9bde1a61196fa7977c5357a2c40292d and ran the following directly on terminal without doing anything else:

sudo apt-get update 
sudo apt-get install python3-venv python3-dev build-essential libcairo2-dev libgirepository1.0-dev 
python3.6 -m venv venv
source venv/bin/activate
pip install -U wheel pip
pip install PyGObject
wget https://gist.githubusercontent.com/LiraNuna/5fd22c218af27ffac4ead0b94c8610d1/raw/eb6e5e2bf1a3ad99679a0bd77573fd6b631015ff/script.py
python script.py

Please try that and tell me if you can reproduce it then? I wonder what is different between our set ups.

LiraNuna commented 4 months ago

Hello, it's been over 4 years since I have reported this issue and gave a reproduction case. Is there anything I can do to help this problem get fixed? it is still an issue with Mint 21.3 / Cinnamon.