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* Closes N/A * Partially replaces #7983 * Related: #8045 * [x] I have followed the instructions in the PR template ## Details In #7983, I modified `Memory::request_focus` to interrupt any ongoing IME composition. This fixed a bug where clicking inside an already focused `TextEdit` failed to cancel the active composition, resulting in duplicated text: https://github.com/emilk/egui/pull/8045#issuecomment-4193310616 To avoid introducing API changes in that PR, I ensured the IME state was reset by forcing `PlatformOutput::ime` to `None` for at least one frame. While this works well on desktop platforms, it causes virtual keyboard flickering on the web: https://github.com/emilk/egui/pull/8045#issuecomment-4193035008 In this PR, I delegate the responsibility for handling IME composition interruptions to integrations, allowing each integration to decide how to interrupt compositions in a flexible manner. ### The new field `should_interrupt_composition` on `IMEOutput`. Instead of introducing a new `OutputCommand` variant, this PR adds a new field `should_interrupt_composition` to `IMEOutput`. Interrupting an active composition is only meaningful when IME remains allowed. If IME should be disabled altogether, `PlatformOutput::ime` can simply be set to `None`. Given this, IMO, it is more appropriate to attach the interrupt signal to `IMEOutput` (i.e., the type of `PlatformOutput::ime`).
GUI implementation
This is the core library crate egui. It is fully platform independent without any backend. You give the egui library input each frame (mouse pos etc), and it outputs a triangle mesh for you to paint.