182 lines
8.0 KiB
C++
182 lines
8.0 KiB
C++
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#ifndef __Signal9_h__
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#define __Signal9_h__
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#include "horrible_cast.h"
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#include "slot_base.h"
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#include "signal_base.h"
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//=========================================================================================================================================
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// Slot tempplate.
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//=========================================================================================================================================
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/**
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* Abstract base class for Slots with 9 parameter(s).
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*/
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template<typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8>
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class Slot9 : public slot_base
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{
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public:
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/**
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* Method which performs the actual callback. Must be overridden.
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*
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* @return Returns an object of type T_return; the result of the user callback.
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*/
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virtual T_return operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8) const = 0;
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};
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//
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// a concrete Slot class for a normal function
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//
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template <typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8>
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class Slot9_function: public Slot9<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>
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{
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public:
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typedef T_return (*FUNCTION_POINTER)(T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8);
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Slot9_function( const FUNCTION_POINTER func )
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{
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// convert and store function pointer in slot_base
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this->data[0] = safe_horrible_cast<slot_base::data_container>(func);
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}
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T_return operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8) const
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{
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// retrieve data from slot_base and convert back to a function pointer
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FUNCTION_POINTER func = dangerous_horrible_cast<FUNCTION_POINTER>(this->data[0]);
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// call function
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return func(a0, a1, a2, a3, a4, a5, a6, a7, a8);
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}
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};
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//
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// a concrete Slot class for an object pointer and method (usually 'this' and 'Class::Method')
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//
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template <class T_object, typename T_member, typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8>
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class Slot9_method: public Slot9<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>
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{
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public:
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Slot9_method(const T_object* p_object, const T_member p_member)
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{
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// convert and store object pointer and member function pointer in slot_base
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this->data[0] = safe_horrible_cast<slot_base::data_container>(p_object);
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this->data[1] = safe_horrible_cast<slot_base::data_container>(p_member);
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}
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T_return operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8) const
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{
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// retrieve data from slot_base and convert back to an object pointer and member function pointer
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T_object* p_object = dangerous_horrible_cast<T_object*>(this->data[0]);
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T_member p_member = dangerous_horrible_cast<T_member> (this->data[1]);
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// call member function
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return (p_object->*p_member)(a0, a1, a2, a3, a4, a5, a6, a7, a8);
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}
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};
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//=========================================================================================================================================
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// Signal tempplate.
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//=========================================================================================================================================
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template< typename T_return, typename T_arg0, typename T_arg1, typename T_arg2, typename T_arg3, typename T_arg4, typename T_arg5, typename T_arg6, typename T_arg7, typename T_arg8 >
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class Signal9: public signal_base
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{
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public:
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//-----------------------------------------------------------------------------------------------------------------------------------------
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// Execute the Signal:
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// - Walk the list of Slot nodes.
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//-----------------------------------------------------------------------------------------------------------------------------------------
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void operator() (T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8)
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{
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if( IsSignalEmitting( ) )
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{
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#if defined( _DEBUG )
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printf("WARNING: Signal9<...> @ 0x%p recursive Emit attempt\n", this);
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#endif
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return;
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}
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BeginEmit( );
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list_node* cur = GetFirstNode( );
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// iterate through the list
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while( cur )
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{
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// make the slot_base pointer a Slot9 pointer
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Slot9<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>* s = static_cast<Slot9<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>*>(cur->slot);
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// call the Signal
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(*s)(a0, a1, a2, a3, a4, a5, a6, a7, a8);
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// move to next Slot in the list.
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cur = cur->next;
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}
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EndEmit( );
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}
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//=========================================================================================================================================
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// Signal connections
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//=========================================================================================================================================
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typedef T_return (*FUNCTION_POINTER)(T_arg0 a0, T_arg1 a1, T_arg2 a2, T_arg3 a3, T_arg4 a4, T_arg5 a5, T_arg6 a6, T_arg7 a7, T_arg8 a8);
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// Functions
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//-----------------------------------------------------------------------------------------------------------------------------------------
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bool Connect( FUNCTION_POINTER func )
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{
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// make a copy of the Slot to store in our list
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Slot9<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>* sNewFunc = new Slot9_function<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>( func );
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// add it to the end of our linked list
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return bind(sNewFunc);
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}
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// Object methods
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//-----------------------------------------------------------------------------------------------------------------------------------------
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template <class T_object, typename T_member>
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bool Connect(T_object* p_object, T_member p_member)
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{
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// make a copy of the Slot to store in our list
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Slot9<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>* sNewMethod = new Slot9_method<T_object,T_member,T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8>( p_object, p_member );
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// add it to the end of our linked list
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return bind(sNewMethod);
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}
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//=========================================================================================================================================
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// Signal Disconnections
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//=========================================================================================================================================
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// Functions
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//-----------------------------------------------------------------------------------------------------------------------------------------
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bool Disconnect( FUNCTION_POINTER func )
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{
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// make a temporary Slot we can use to find a match in the list
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Slot9_function<T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8> sTest( func );
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// search and remove it
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return unbind(&sTest);
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}
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// Object method
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//-----------------------------------------------------------------------------------------------------------------------------------------
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template <class T_object, typename T_member>
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bool Disconnect(T_object* p_object, T_member p_member)
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{
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// make a temporary Slot we can use to find a match in the list
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Slot9_method<T_object,T_member,T_return, T_arg0, T_arg1, T_arg2, T_arg3, T_arg4, T_arg5, T_arg6, T_arg7, T_arg8> sTemp(p_object,p_member);
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// search and remove it
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return unbind(&sTemp);
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}
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};
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#endif // __Signal9_h__
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