QtitanDataGridModel-view DataGrid component with rich functionality for Qt.C++ and PySideQtitanRibbonReplicates Microsoft RibbonUI interface for Qt.C++ and PySideQtitanNavigationDesignUIReplicates Microsoft Navigation Design interface for Qt.C++ and PySideQtitanChartCharts and Diagrams component for Qt.C++ and PySideQtitanDockingDockable Panels and Tool Bars for Qt.C++ and PySideQtitanFastInfosetXML Compressed format FastInfoset implementation for Qt.C++ and PySideRoadmap Development 2023
FireDataGridPowerful, modern, fast, DB-Aware Grid for Delphi-FiremonkeyFireDockingDelphi IDE/Visual Studio implementation of dock panels for Delphi-Firemonkey
here is a sample code. If the action has no graphic, then the checkable does work. But with a graphic it does not. Same behaviour would be nice. In Office 2007 this is used for example in underline dropdown.