forked from mirrors/gecko-dev
afaf41dcef
The builtin legacy IME of Windows to type a Unicode with typing a code point causes consumed `eKeyDown` events while typing the code point, i.e., without `eKeyPress` (FYI: The consumed state is not exposed to the web, it's used only in chrome UI for the compatibility with Chrome). Then, `BrowserChild` store whether the last `eKeyDown` was consumed or not to prevent the following `eKeyPress`. Finally, a `eKeyPress` event is fired to input the Unicode character after `eKeyUp` for `Alt`. The stored value is set to new value only when another `eKeyDown` event is sent from the parent process. Therefore, the last digit inputting `eKeyDown` causes `BrowserChild` thinking the last `eKeyDown` is consumed so that the last `eKeyPress` is not dispatched. This patch makes `BrowserChild` to store the `code` value of the last consumed `eKeyDown` and check the `code` value to consider whether coming `eKeyPress` should be or not be dispatched to `PresShell` and the DOM. Differential Revision: https://phabricator.services.mozilla.com/D207957 |
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