The control channel attached its modifiers only to the synthetic key and
button events, while most handlers read egui's held modifiers
(i.modifiers), which only the keyboard set. The raw input hook now sets
egui's modifiers (a ModifiersChanged event) for the frames synthetic input
spans: a key's press, text and release, a click, and a drag from press
through its moves to release; the keyboard's modifiers, tracked from the
host's events, come back after. ui.key's text now comes with the press.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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