X11: remove Send requirement and process all UI and events on the main thread
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還沒有人認領這個 Issue。
評估
研究方向
Start by reading the X11 backend’s event-loop implementation and the Host API; the issue does not name specific files or tests. Determine how timer and file-descriptor callbacks should be exposed for VST3 and CLAP, then verify that UI and event processing can stay on the main thread without the Send bound and that users can implement the revised Host API.
由索引模型根據 Issue 內容生成。
描述
Currently the X11 backend spawns a new thread in order to spawn its own event loop and processes everything there.
This is done because on Linux there is no such thing as a global event loop (unlike Windows and macOS), so there is no standardized event loop for us to plug into.
The issue is that this forces a Send bound on the WindowHandler, which is only necessary for this workaround to work(Windows and macOS always keep everything on the main thread).
VST3 and CLAP now have support for either timer, or more ideally for watching any File Descriptor, and have the host call us back when any new event arrives on those. This allows us to indirectly plug into the host's event loop without blocking anything, and is how most (if not all?) plugins work in those formats.
We should augment the Host API to support timer and FD extensions, which would allow us to drop the Send bound and simplify quite a bit of code on the baseview side.
This however is a breaking change, not because of dropping the Send requirement, but because it will require all users to implement the new Host API.
- 主要語言
- Rust
- 星號
- 387
- 分支
- 128
- 平均合併
- 3 天 2 小時
- 30 天內合併 PR
- 15
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