feat: introduce App::run_return
#12668
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Package Changes Through 71c51eaThere are 8 changes which include tauri-cli with minor, tauri-runtime with minor, tauri-runtime-wry with minor, tauri-utils with minor, tauri with minor, @tauri-apps/api with minor, @tauri-apps/cli with minor, tauri-bundler with patch Planned Package VersionsThe following package releases are the planned based on the context of changes in this pull request.
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Do we want to deprecate |
thomaseizinger
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crates/tauri-runtime-wry/src/lib.rs
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| @@ -2840,13 +2843,13 @@ impl<T: UserEvent> Runtime<T> for Wry<T> { | |||
| let active_tracing_spans = self.context.main_thread.active_tracing_spans.clone(); | |||
| let proxy = self.event_loop.create_proxy(); | |||
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| self.event_loop.run(move |event, event_loop, control_flow| { | |||
| self.event_loop.run_return(move |e, event_loop, cf| { | |||
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I renamed these variables here so that this stays on one line. That way, the git diff shows nicely that run_return is effectively what run used to be.
| pub fn run_return<F: FnMut(&AppHandle<R>, RunEvent) + 'static>( | ||
| mut self, | ||
| mut callback: F, | ||
| ) -> std::result::Result<i32, Box<dyn std::error::Error>> { |
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I've just used the same error as from the setup callback. It is missing Send + Sync + 'static bounds unfortunately but that is already the case and can't be changed now I think.
imo yes |
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iirc run_return also works on android (though probably good to test that first), only iOS should be a problem. I'm wondering whether we should really go for the cfg flag you used or just try to do what winit for example does and just document that it doesn't return ever on iOS (using tao's run instead of run_return for iOS internally). didn't look too much into the code yet so idk how feasible that is. |
Removing the cfg is a semver-compatible change so we can always do that later? I'd prefer an incremental approach if possible! :)
Deciding on what the mobile story is here seems like a different problem to me that I'd rather not tackle, also because I don't know the internals of tao and Tauri well enough :) |
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The current
App::run_iterationfunction is buggy because it busy-loops. To address the use-case of cleaning up resources in the host program, we introduceApp::run_returnwhich builds on top oftao'sEventloop::run_return.Related: #8631.