Siemens SINUMERIK 840D sl Commissioning Manual page 764

Graphic and logic elements
7.4 Custom widgets
Example
Content of the file sleswidgetfactory.cpp for a custom widget with the class name
SlEsTestCustomWidget":
#include <Qt/qglobal.h>
#include "slestestcustomwidget.h"
///////////////////////////////////////////////////////////////////////////
// MAKROS FOR PLUGIN DLL-EXPORT - DO NOT CHANGE
///////////////////////////////////////////////////////////////////////////
#ifndef Q_EXTERN_C
#ifdef __cplusplus
#define Q_EXTERN_C extern "C"
#else
#define Q_EXTERN_C extern
#endif
#endif
#define SL_ES_FCT_NAME(PLUGIN) sl_es_create_ ##PLUGIN
#define SL_ES_CUSTOM_WIDGET_PLUGIN_INSTANTIATE( IMPLEMENTATION , PARAM) \
{ \
IMPLEMENTATION *i = new PARAM; \
return i; \
}
#ifdef Q_WS_WIN
# ifdef Q_CC_BOR
# define EXPORT_SL_ES_CUSTOM_WIDGET_PLUGIN(PLUGIN,PARAM) \
Q_EXTERN_C __declspec(dllexport) void* \
__stdcall SL_ES_FCT_NAME(PLUGIN) (QWidget* pParent) \
SL_ES_CUSTOM_WIDGET_PLUGIN_INSTANTIATE( PLUGIN,PARAM )
# else
# define EXPORT_SL_ES_CUSTOM_WIDGET_PLUGIN(PLUGIN,PARAM) \
Q_EXTERN_C __declspec(dllexport) void* SL_ES_FCT_NAME(PLUGIN) \
(QWidget* pParent) \
SL_ES_CUSTOM_WIDGET_PLUGIN_INSTANTIATE( PLUGIN,PARAM )
# endif
#else
# define EXPORT_SL_ES_CUSTOM_WIDGET_PLUGIN(PLUGIN,PARAM) \
Q_EXTERN_C void* SL_ES_FCT_NAME(PLUGIN) (QWidget* pParent) \
SL_ES_CUSTOM_WIDGET_PLUGIN_INSTANTIATE( PLUGIN,PARAM )
#endif
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SINUMERIK Integrate Run MyScreens (BE2)
Programming Manual, 03/2013, 6FC5397-1DP40-3BA1