foo-webview-sdk
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    Variable cursorConst

    cursor: {
        isHidden: () => Promise<CursorIsHiddenResponse>;
        setHidden: (hidden: boolean) => Promise<CursorSetHiddenResponse>;
    } = ...

    cursor — explicit client-area cursor visibility control.

    Companion to src/api/CursorApi.cpp. Visual Hosting (CompositionController) leaves the WebView2 without an HWND of its own — WM_SETCURSOR is dispatched to the parent foobar2000 frame and Chromium's CursorChanged callback cannot reflect a CSS cursor: none rule reliably. Themes that want idle-hide behaviour (full-screen players, desktop-lyrics overlays) drive the host directly through this namespace.

    State is per-window: each popup tracks its own hidden flag and the cursor:hiddenChanged event is routed only to the originating window.

    Type Declaration

    • isHidden: () => Promise<CursorIsHiddenResponse>

      Read the current hidden state for the calling window. Reports hidden: false when the caller window cannot be resolved.

    • setHidden: (hidden: boolean) => Promise<CursorSetHiddenResponse>

      Hide or restore the calling window's client-area cursor.

      Repeated calls with the same hidden value resolve with success: true, changed: false — only flips that actually move the visibility flag emit a follow-up cursor:hiddenChanged event. When the host cannot resolve the calling window the call fails with code: 'OPERATION_FAILED'.

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