show method

void show(
  1. {required BuildContext context,
  2. required WidgetBuilder contextMenuBuilder,
  3. Widget? debugRequiredFor}
)

Shows the given context menu.

Since there can only be one shown context menu at a time, calling this will also remove any other context menu that is visible.

Implementation

void show({
  required BuildContext context,
  required WidgetBuilder contextMenuBuilder,
  Widget? debugRequiredFor,
}) {
  removeAny();
  final OverlayState overlayState = Overlay.of(
    context,
    rootOverlay: true,
    debugRequiredFor: debugRequiredFor,
  );
  final CapturedThemes capturedThemes = InheritedTheme.capture(
    from: context,
    to: Navigator.maybeOf(context)?.context,
  );

  _menuOverlayEntry = OverlayEntry(
    builder: (BuildContext context) {
      return capturedThemes.wrap(contextMenuBuilder(context));
    },
  );
  overlayState.insert(_menuOverlayEntry!);
  _shownInstance = this;
}