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Exclusive XInput event handling #1821

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merged 8 commits into from Apr 17, 2024
Merged

Exclusive XInput event handling #1821

merged 8 commits into from Apr 17, 2024

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Caellian
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@Caellian Caellian commented Apr 13, 2024 •
edited

This commit builds upon #1819 and makes conky use only XInput for mouse events if BUILD_MOUSE_EVENTS is enabled.

This PR makes conky only propagate basic X11 mouse events, because constructing XInput events is a bit tricky (or impossible):

  • We can't just forward the event we've received because XInput stores event details in a cookie which can't be claimed multiple times.
  • We can't pass them through and ignore them.
  • I'm still looking into ways of constructing XInput events.

@Caellian
Add XInput event handling
03e0f07 
Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@github-actions github-actions bot added the sources PR modifies project sources label Apr 13, 2024
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netlify bot commented Apr 13, 2024 •
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✅ Deploy Preview for conkyweb canceled.

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🔨 Latest commit d5af5ac
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@Caellian Caellian mentioned this pull request Apr 13, 2024
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@Caellian Caellian linked an issue Apr 13, 2024 that may be closed by this pull request
how to make conky consistenly pass clicks to the root window #320 #654
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@Caellian Caellian changed the title Add full XInput event handling Exclusive XInput event handling Apr 13, 2024
@brndnmtthws
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Do you have an ETA on when you might be finished this? I was thinking of cutting a new release in the next few days, but I will wait if you will be done soon.

@Caellian
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Caellian commented Apr 13, 2024 •
edited

Do you have an ETA on when you might be finished this?

I expect within the following 2-3 days. There's a quirk I need to figure out a workaround for (working on that currently), other than that it's pretty much done. The PR doesn't introduce any functionality though, it just switches to a newer event system on X11 - not sure if that plays a role in your decision.

@Caellian
Improve ergonomics of the pointer API
ee4eb0f 
WIP commit - I broke something and events no longer get reported.

On a flip side, valuators can be referenced by either a name string or number
id now, use of which is easy to optimize by the compiler.

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian
Simplify use of XInput related classes
c1f96d7 
Added support for changing valuator properties through xorg.conf.

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian Caellian force-pushed the dev/xinput-event-handling branch 3 times, most recently from 54bf801 to 38c27c4 Compare April 16, 2024 23:11
@Caellian
Fix cursor_over_conky and override atoms
db70a1b 
WIP commit - relative calculation is still off.

Calculate relative valuators only once per event and cache results.

Switch to finding top-level window before root. This made me reuse
virtual root code so I refactored it and made it apply automatically in
place of X11 macros. This means that all code in x11.cc will use virtual
roots if they exist.

Fixed query_x11_windows fallback to exclude windows without WM hints. I
believe this is the correct way to ignore windows specific to some
special WM functionality.

Removed InputEvent and xev_as_input_event as they were being used in
only a single place.

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian
Fix valuator_info not being updated
a8bef65 
Wasn't updated due to implicit reference copy. Now relative seems to
work.

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian Caellian marked this pull request as ready for review April 17, 2024 00:07
@Caellian
Fill cache at startup
7c74779 
First reported event was being reported with bad computed relative value
otherwise.

Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian
Fix crash when device disconnected
feab28a 
Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian
Cleanup
d5af5ac 
Signed-off-by: Tin Švagelj <tin.svagelj@live.com>
@Caellian Caellian merged commit f4b3229 into main Apr 17, 2024
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@Caellian Caellian deleted the dev/xinput-event-handling branch April 17, 2024 02:04
@jborme
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jborme commented Apr 21, 2024 •
edited

This commit causes me trouble. With fluxbox as WM, a right click on the root window leads to 3 second delay waiting for the WM right-click menu to appear, with 100% CPU in the meantime.
I bisected the problem to f4b3229

@Caellian
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You can build with BUILD_XINPUT disabled for now if that's the case. Thanks for reporting this, I will be able to investigate and fix it in a week or so.

Time to install yet another X11 WM... 🚀

@Caellian Caellian mentioned this pull request Apr 21, 2024
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how to make conky consistenly pass clicks to the root window #320
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@Caellian @brndnmtthws @jborme