showMoreWindow method

void showMoreWindow(BuildContext context)

Implementation

void showMoreWindow(BuildContext context) {
  final RenderBox dropDownItemRenderBox =
      context.findRenderObject() as RenderBox;
  var position =
      dropDownItemRenderBox.localToGlobal(Offset.zero, ancestor: null);
  var size = dropDownItemRenderBox.size;
  _brnTabbarController.top = size.height + position.dy;

  OverlayEntry overlayEntry = OverlayEntry(builder: (context) {
    return GestureDetector(
      onTap: () {
        hideMoreWindow();
      },
      onVerticalDragStart: (_) {
        hideMoreWindow();
      },
      onHorizontalDragStart: (_) {
        hideMoreWindow();
      },
      child: Container(
        padding: EdgeInsets.only(
          top: _brnTabbarController.top!,
        ),
        child: Stack(
          children: <Widget>[
            Positioned(
              width: MediaQuery.of(context).size.width,
              left: 0,
              child: Material(
                color: const Color(0xB3000000),
                child: Container(
                  width: MediaQuery.of(context).size.width,
                  height: MediaQuery.of(context).size.height -
                      _brnTabbarController.top!,
                  child: Padding(
                    padding: const EdgeInsets.all(0),
                    child: _TabBarOverlayWidget(
                      tabs: widget.tabs,
                      onTap: (index) {
                        if (widget.onTap != null) {
                          widget.onTap!(this, index);
                        }
                      },
                      moreWindowText: widget.moreWindowText,
                      brnTabbarController: _brnTabbarController,
                      themeData: widget.themeData!,
                      spacing: widget.themeData!.tagSpacing,
                      preLineTagCount: widget.themeData!.preLineTagCount,
                      tagHeight: widget.themeData!.tagHeight,
                    ),
                  ),
                ),
              ),
            )
          ],
        ),
      ),
    );
  });
  _brnTabbarController.screenHeight = MediaQuery.of(context).size.height;
  if (_brnTabbarController.entry != null) {
    resetEntry();
  }
  _brnTabbarController.entry = overlayEntry;
  Overlay.of(context).insert(_brnTabbarController.entry!);
}