0024665: A sample for advanced function mechanism

[occt.git] / samples / qt / FuncDemo / src / SimpleDriver.h

diff --git a/samples/qt/FuncDemo/src/SimpleDriver.h b/samples/qt/FuncDemo/src/SimpleDriver.h
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+++ b/samples/qt/FuncDemo/src/SimpleDriver.h
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+// SimpleDriver.h: interface for the Simple function driver.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(_SIMPLEDRIVER_H_)
+#define _SIMPLEDRIVER_H_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+#include <Standard_DefineHandle.hxx> 
+#include <TFunction_Driver.hxx>
+#include <TFunction_Logbook.hxx>
+#include <TDF_LabelList.hxx>
+
+DEFINE_STANDARD_HANDLE(SimpleDriver, TFunction_Driver)
+
+// A function driver for a Simple function.
+class SimpleDriver : public TFunction_Driver
+{
+public:
+
+    // ID of the function driver
+    static const Standard_GUID& GetID();
+    
+    // Constructor
+       SimpleDriver();
+
+       // Returns the arguments of the function
+       virtual void Arguments(TDF_LabelList& args) const;
+
+       // Returns the results of the function
+       virtual void Results(TDF_LabelList& res) const;
+
+       // Execution.
+       virtual Standard_Integer Execute(Handle(TFunction_Logbook)& log) const;
+
+       DEFINE_STANDARD_RTTIEXT(SimpleDriver, TFunction_Driver)
+};
+
+#endif // !defined(_SIMPLEDRIVER_H_)