Overlapping NoMachine windows

[jeremy.bloggs]

I see three problems, reproducible with the i915 driver, the mode-setting driver, and the ATI/AMD driver. I see them under XOrg and Wayland. I am using Debian 13.

Repro (1): open a remote xterm. Open a remote Visual Studio Code window and maximise it on the same monitor, so it hides the xterm window. Resize some of the panes in vscode. Note that the area over the xterm stops being updated, e.g. when a pane that overlaps that area scrolls.

Repro (2): open a remote instance of vscode and maximise it. Open a remote instance of meld, and maximise it on the same monitor. Click on the cross that would normally close the meld window (that is in the foreground and hiding the vscode window). Observe that the hidden vscode window is closed instead. Clicking some distance under the cross in meld works correctly.

Repro (3): open a remote instance of vscode, noting there is no border that could be used to move its window. Press Alt-space to adjust its position. Observe that afterwards the window thinks the Alt key is still pressed. This can be fixed by pressing Alt a few more times.

I can avoid the first two problems by having at most one NoMachine window per monitor.

What am I doing wrong, please? Many thanks.

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