class VIEW3D_PT_snappanel_toolshelf(Panel):
    bl_label = "Snap"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'TOOLS'
    #bl_options = {'HIDE_HEADER'}

    #show_text = ToolSelectPanelHelper._layout_generator_detect_from_region(layout, context.region, scale_y)

    #show_text = False

    @staticmethod
    def ts_width(layout, region, scale_y):
        """
        Choose an appropriate layout for the toolbar.
        """
        # Currently this just checks the width,
        # we could have different layouts as preferences too.
        system = bpy.context.preferences.system
        view2d = region.view2d
        view2d_scale = (
            view2d.region_to_view(1.0, 0.0)[0] -
            view2d.region_to_view(0.0, 0.0)[0]
        )
        width_scale = region.width * view2d_scale / system.ui_scale

        if width_scale > 160.0:
            show_text = True
        else:
            show_text = False

        return show_text


    def draw(self, _context):
        layout = self.layout

        show_text = self.ts_width(layout, region, scale_y)
        print(show_text)

        if show_text is True:

            layout.operator("view3d.snap_selected_to_cursor", text="Selection to Cursor", icon = "SELECTIONTOCURSOR").use_offset = False