Context::request_repaint will wake up the UI thread #1366
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This adds a callback (set by `Context::set_request_repaint_callback`) which integration can use to wake up the UI thread. eframe (egui_web and egui_glow) will use this, replacing `epi::Frame::request_repaint`. Existing code calling `epi::Frame::request_repaint` should be changed to instead call `egui::Context::request_repaint`. This is the first callback added to the egui API, which otherwise is completely driven by data. The purpose of this is to remove the confusion between the two `request_repaint` methods (by removing one). Furthermore, it makes `epi::Frame` a lot simpler, allowing future simplifications to it (perhaps no longer having it be `Send+Sync+Clone`).
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The purpose of this is to expose `frame.storage()` and `frame.storage_mut()` so users can save/load app state from the `App::update` function, without having to add another parameter to that function. Changes: * Added `Frame::storage()` and `Frame::storage_mut()` * `App::update` now takes a `&mut Frame` rather than just `&Frame` * `Frame` is no longer `Clone` or `Sync` (doesn't have to be since #1366)
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This adds a callback (set by
Context::set_request_repaint_callback) which integration can use to wake up the UI thread.eframe (egui_web and egui_glow) will use this, replacing
epi::Frame::request_repaint.Existing code calling
epi::Frame::request_repaintshould be changed to instead callegui::Context::request_repaint.This is the first callback added to the egui API, which otherwise is completely driven by data.
The purpose of this is to remove the confusion between the two
request_repaintmethods (by removing one). Furthermore, it makesepi::Framea lot simpler, allowing future simplifications to it (perhaps no longer having it beSend+Sync+Clone).Closes #1187