current property

Implementation

VtRenderCellSnapshot get current {
  _ensureOpen();
  final raw = calloc<bindings.GhosttyCell>();
  final style = calloc<bindings.GhosttyStyle>();
  final graphemeLen = calloc<ffi.Uint32>();
  try {
    style.ref.size = ffi.sizeOf<bindings.GhosttyStyle>();
    _checkResult(
      bindings.ghostty_render_state_row_cells_get(
        _handle,
        bindings
            .GhosttyRenderStateRowCellsData
            .GHOSTTY_RENDER_STATE_ROW_CELLS_DATA_RAW,
        raw.cast(),
      ),
      'ghostty_render_state_row_cells_get',
    );
    _checkResult(
      bindings.ghostty_render_state_row_cells_get(
        _handle,
        bindings
            .GhosttyRenderStateRowCellsData
            .GHOSTTY_RENDER_STATE_ROW_CELLS_DATA_STYLE,
        style.cast(),
      ),
      'ghostty_render_state_row_cells_get',
    );
    _checkResult(
      bindings.ghostty_render_state_row_cells_get(
        _handle,
        bindings
            .GhosttyRenderStateRowCellsData
            .GHOSTTY_RENDER_STATE_ROW_CELLS_DATA_GRAPHEMES_LEN,
        graphemeLen.cast(),
      ),
      'ghostty_render_state_row_cells_get',
    );
    final graphemes = graphemeLen.value == 0
        ? ''
        : (() {
            final buffer = calloc<ffi.Uint32>(graphemeLen.value);
            try {
              _checkResult(
                bindings.ghostty_render_state_row_cells_get(
                  _handle,
                  bindings
                      .GhosttyRenderStateRowCellsData
                      .GHOSTTY_RENDER_STATE_ROW_CELLS_DATA_GRAPHEMES_BUF,
                  buffer.cast(),
                ),
                'ghostty_render_state_row_cells_get',
              );
              return String.fromCharCodes(
                buffer.asTypedList(graphemeLen.value),
              );
            } finally {
              calloc.free(buffer);
            }
          })();

    return VtRenderCellSnapshot(
      raw: VtCellSnapshot.fromRaw(raw.value),
      style: VtStyle.fromNative(style.ref),
      graphemes: graphemes,
    );
  } finally {
    calloc.free(graphemeLen);
    calloc.free(style);
    calloc.free(raw);
  }
}