b49ae6eaf3
git-svn-id: svn://localhost/ardour2/branches/3.0@3437 d708f5d6-7413-0410-9779-e7cbd77b26cf
3824 lines
160 KiB
C++
3824 lines
160 KiB
C++
// -*- c++ -*-
|
|
/* Do not edit! -- generated file */
|
|
|
|
#ifndef _SIGC_SIGNAL_H_
|
|
#define _SIGC_SIGNAL_H_
|
|
|
|
#include <list>
|
|
#include <sigc++/signal_base.h>
|
|
#include <sigc++/type_traits.h>
|
|
#include <sigc++/trackable.h>
|
|
#include <sigc++/functors/slot.h>
|
|
#include <sigc++/functors/mem_fun.h>
|
|
|
|
//SIGC_TYPEDEF_REDEFINE_ALLOWED:
|
|
// TODO: This should have its own test, but I can not create one that gives the error instead of just a warning. murrayc.
|
|
// I have just used this because there is a correlation between these two problems.
|
|
#ifdef SIGC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD
|
|
//Compilers, such as older versions of SUN Forte C++, that do not allow this also often
|
|
//do not allow a typedef to have the same name as a class in the typedef's definition.
|
|
//For Sun Forte CC 5.7 (SUN Workshop 10), comment this out to fix the build.
|
|
#define SIGC_TYPEDEF_REDEFINE_ALLOWED 1
|
|
#endif
|
|
|
|
namespace sigc {
|
|
|
|
/** STL-style iterator for slot_list.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <typename T_slot>
|
|
struct slot_iterator
|
|
{
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef std::bidirectional_iterator_tag iterator_category;
|
|
|
|
typedef T_slot slot_type;
|
|
|
|
typedef T_slot value_type;
|
|
typedef T_slot* pointer;
|
|
typedef T_slot& reference;
|
|
|
|
typedef typename internal::signal_impl::iterator_type iterator_type;
|
|
|
|
slot_iterator()
|
|
{}
|
|
|
|
explicit slot_iterator(const iterator_type& i)
|
|
: i_(i) {}
|
|
|
|
reference operator*() const
|
|
{ return static_cast<reference>(*i_); }
|
|
|
|
pointer operator->() const
|
|
{ return &(operator*()); }
|
|
|
|
slot_iterator& operator++()
|
|
{
|
|
++i_;
|
|
return *this;
|
|
}
|
|
|
|
slot_iterator operator++(int)
|
|
{
|
|
slot_iterator __tmp(*this);
|
|
++i_;
|
|
return __tmp;
|
|
}
|
|
|
|
slot_iterator& operator--()
|
|
{
|
|
--i_;
|
|
return *this;
|
|
}
|
|
|
|
slot_iterator operator--(int)
|
|
{
|
|
slot_iterator __tmp(*this);
|
|
--i_;
|
|
return __tmp;
|
|
}
|
|
|
|
bool operator == (const slot_iterator& other) const
|
|
{ return i_ == other.i_; }
|
|
|
|
bool operator != (const slot_iterator& other) const
|
|
{ return i_ != other.i_; }
|
|
|
|
iterator_type i_;
|
|
};
|
|
|
|
/** STL-style const iterator for slot_list.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <typename T_slot>
|
|
struct slot_const_iterator
|
|
{
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef std::bidirectional_iterator_tag iterator_category;
|
|
|
|
typedef T_slot slot_type;
|
|
|
|
typedef T_slot value_type;
|
|
typedef const T_slot* pointer;
|
|
typedef const T_slot& reference;
|
|
|
|
typedef typename internal::signal_impl::const_iterator_type iterator_type;
|
|
|
|
slot_const_iterator()
|
|
{}
|
|
|
|
explicit slot_const_iterator(const iterator_type& i)
|
|
: i_(i) {}
|
|
|
|
reference operator*() const
|
|
{ return static_cast<reference>(*i_); }
|
|
|
|
pointer operator->() const
|
|
{ return &(operator*()); }
|
|
|
|
slot_const_iterator& operator++()
|
|
{
|
|
++i_;
|
|
return *this;
|
|
}
|
|
|
|
slot_const_iterator operator++(int)
|
|
{
|
|
slot_const_iterator __tmp(*this);
|
|
++i_;
|
|
return __tmp;
|
|
}
|
|
|
|
slot_const_iterator& operator--()
|
|
{
|
|
--i_;
|
|
return *this;
|
|
}
|
|
|
|
slot_const_iterator operator--(int)
|
|
{
|
|
slot_const_iterator __tmp(*this);
|
|
--i_;
|
|
return __tmp;
|
|
}
|
|
|
|
bool operator == (const slot_const_iterator& other) const
|
|
{ return i_ == other.i_; }
|
|
|
|
bool operator != (const slot_const_iterator& other) const
|
|
{ return i_ != other.i_; }
|
|
|
|
iterator_type i_;
|
|
};
|
|
|
|
/** STL-style list interface for sigc::signal#.
|
|
* slot_list can be used to iterate over the list of slots that
|
|
* is managed by a signal. Slots can be added or removed from
|
|
* the list while existing iterators stay valid. A slot_list
|
|
* object can be retrieved from the signal's slots() function.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_slot>
|
|
struct slot_list
|
|
{
|
|
typedef T_slot slot_type;
|
|
|
|
typedef slot_type& reference;
|
|
typedef const slot_type& const_reference;
|
|
|
|
typedef slot_iterator<slot_type> iterator;
|
|
typedef slot_const_iterator<slot_type> const_iterator;
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
#else
|
|
typedef std::reverse_iterator<iterator, std::random_access_iterator_tag,
|
|
int, int&, int*, ptrdiff_t> reverse_iterator;
|
|
|
|
typedef std::reverse_iterator<const_iterator, std::random_access_iterator_tag,
|
|
int, const int&, const int*, ptrdiff_t> const_reverse_iterator;
|
|
#endif /* SIGC_HAVE_SUN_REVERSE_ITERATOR */
|
|
|
|
|
|
|
|
|
|
slot_list()
|
|
: list_(0) {}
|
|
|
|
explicit slot_list(internal::signal_impl* __list)
|
|
: list_(__list) {}
|
|
|
|
iterator begin()
|
|
{ return iterator(list_->slots_.begin()); }
|
|
|
|
const_iterator begin() const
|
|
{ return const_iterator(list_->slots_.begin()); }
|
|
|
|
iterator end()
|
|
{ return iterator(list_->slots_.end()); }
|
|
|
|
const_iterator end() const
|
|
{ return const_iterator(list_->slots_.end()); }
|
|
|
|
reverse_iterator rbegin()
|
|
{ return reverse_iterator(end()); }
|
|
|
|
const_reverse_iterator rbegin() const
|
|
{ return const_reverse_iterator(end()); }
|
|
|
|
reverse_iterator rend()
|
|
{ return reverse_iterator(begin()); }
|
|
|
|
const_reverse_iterator rend() const
|
|
{ return const_reverse_iterator(begin()); }
|
|
|
|
reference front()
|
|
{ return *begin(); }
|
|
|
|
const_reference front() const
|
|
{ return *begin(); }
|
|
|
|
reference back()
|
|
{ return *(--end()); }
|
|
|
|
const_reference back() const
|
|
{ return *(--end()); }
|
|
|
|
iterator insert(iterator i, const slot_type& slot_)
|
|
{ return iterator(list_->insert(i.i_, static_cast<const slot_base&>(slot_))); }
|
|
|
|
void push_front(const slot_type& c)
|
|
{ insert(begin(), c); }
|
|
|
|
void push_back(const slot_type& c)
|
|
{ insert(end(), c); }
|
|
|
|
iterator erase(iterator i)
|
|
{ return iterator(list_->erase(i.i_)); }
|
|
|
|
iterator erase(iterator first_, iterator last_)
|
|
{
|
|
while (first_ != last_)
|
|
first_ = erase(first_);
|
|
return last_;
|
|
}
|
|
|
|
void pop_front()
|
|
{ erase(begin()); }
|
|
|
|
void pop_back()
|
|
{
|
|
iterator tmp_ = end();
|
|
erase(--tmp_);
|
|
}
|
|
|
|
protected:
|
|
internal::signal_impl* list_;
|
|
};
|
|
|
|
|
|
namespace internal {
|
|
|
|
/** Special iterator over sigc::internal::signal_impl's slot list that holds extra data.
|
|
* This iterators is for use in accumulators. operator*() executes
|
|
* the slot. The return value is buffered, so that in an expression
|
|
* like @code a = (*i) * (*i); @endcode the slot is executed only once.
|
|
*/
|
|
template <class T_emitter, class T_result = typename T_emitter::result_type>
|
|
struct slot_iterator_buf
|
|
{
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef std::bidirectional_iterator_tag iterator_category;
|
|
|
|
//These are needed just to make this a proper C++ iterator,
|
|
//that can be used with standard C++ algorithms.
|
|
typedef T_result value_type;
|
|
typedef T_result& reference;
|
|
typedef T_result* pointer;
|
|
|
|
typedef T_emitter emitter_type;
|
|
typedef T_result result_type;
|
|
typedef typename T_emitter::slot_type slot_type;
|
|
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
slot_iterator_buf()
|
|
: c_(0), invoked_(false) {}
|
|
|
|
slot_iterator_buf(const iterator_type& i, const emitter_type* c)
|
|
: i_(i), c_(c), invoked_(false) {}
|
|
|
|
result_type operator*() const
|
|
{
|
|
if (!i_->empty() && !i_->blocked() && !invoked_)
|
|
{
|
|
r_ = (*c_)(static_cast<const slot_type&>(*i_));
|
|
invoked_ = true;
|
|
}
|
|
return r_;
|
|
}
|
|
|
|
slot_iterator_buf& operator++()
|
|
{
|
|
++i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_iterator_buf operator++(int)
|
|
{
|
|
slot_iterator_buf __tmp(*this);
|
|
++i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
slot_iterator_buf& operator--()
|
|
{
|
|
--i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_iterator_buf operator--(int)
|
|
{
|
|
slot_iterator_buf __tmp(*this);
|
|
--i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
bool operator == (const slot_iterator_buf& other) const
|
|
{ return (!c_ || (i_ == other.i_)); } /* If '!c_' the iterators are empty.
|
|
* Unfortunately, empty stl iterators are not equal.
|
|
* We are forcing equality so that 'first==last'
|
|
* in the accumulator's emit function yields true. */
|
|
|
|
bool operator != (const slot_iterator_buf& other) const
|
|
{ return (c_ && (i_ != other.i_)); }
|
|
|
|
private:
|
|
iterator_type i_;
|
|
const emitter_type* c_;
|
|
mutable result_type r_;
|
|
mutable bool invoked_;
|
|
};
|
|
|
|
/** Template specialization of slot_iterator_buf for void return signals.
|
|
*/
|
|
template <class T_emitter>
|
|
struct slot_iterator_buf<T_emitter, void>
|
|
{
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef std::bidirectional_iterator_tag iterator_category;
|
|
|
|
typedef T_emitter emitter_type;
|
|
typedef void result_type;
|
|
typedef typename T_emitter::slot_type slot_type;
|
|
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
slot_iterator_buf()
|
|
: c_(0), invoked_(false) {}
|
|
|
|
slot_iterator_buf(const iterator_type& i, const emitter_type* c)
|
|
: i_(i), c_(c), invoked_(false) {}
|
|
|
|
void operator*() const
|
|
{
|
|
if (!i_->empty() && !i_->blocked() && !invoked_)
|
|
{
|
|
(*c_)(static_cast<const slot_type&>(*i_));
|
|
invoked_ = true;
|
|
}
|
|
}
|
|
|
|
slot_iterator_buf& operator++()
|
|
{
|
|
++i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_iterator_buf operator++(int)
|
|
{
|
|
slot_iterator_buf __tmp(*this);
|
|
++i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
slot_iterator_buf& operator--()
|
|
{
|
|
--i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_iterator_buf operator--(int)
|
|
{
|
|
slot_iterator_buf __tmp(*this);
|
|
--i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
bool operator == (const slot_iterator_buf& other) const
|
|
{ return i_ == other.i_; }
|
|
|
|
bool operator != (const slot_iterator_buf& other) const
|
|
{ return i_ != other.i_; }
|
|
|
|
private:
|
|
iterator_type i_;
|
|
const emitter_type* c_;
|
|
mutable bool invoked_;
|
|
};
|
|
|
|
/** Reverse version of sigc::internal::slot_iterator_buf. */
|
|
template <class T_emitter, class T_result = typename T_emitter::result_type>
|
|
struct slot_reverse_iterator_buf
|
|
{
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef std::bidirectional_iterator_tag iterator_category;
|
|
|
|
//These are needed just to make this a proper C++ iterator,
|
|
//that can be used with standard C++ algorithms.
|
|
typedef T_result value_type;
|
|
typedef T_result& reference;
|
|
typedef T_result* pointer;
|
|
|
|
typedef T_emitter emitter_type;
|
|
typedef T_result result_type;
|
|
typedef typename T_emitter::slot_type slot_type;
|
|
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
slot_reverse_iterator_buf()
|
|
: c_(0), invoked_(false) {}
|
|
|
|
slot_reverse_iterator_buf(const iterator_type& i, const emitter_type* c)
|
|
: i_(i), c_(c), invoked_(false) {}
|
|
|
|
result_type operator*() const
|
|
{
|
|
iterator_type __tmp(i_);
|
|
--__tmp;
|
|
if (!__tmp->empty() && !__tmp->blocked() && !invoked_)
|
|
{
|
|
r_ = (*c_)(static_cast<const slot_type&>(*__tmp));
|
|
invoked_ = true;
|
|
}
|
|
return r_;
|
|
}
|
|
|
|
slot_reverse_iterator_buf& operator++()
|
|
{
|
|
--i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_reverse_iterator_buf operator++(int)
|
|
{
|
|
slot_reverse_iterator_buf __tmp(*this);
|
|
--i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
slot_reverse_iterator_buf& operator--()
|
|
{
|
|
++i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_reverse_iterator_buf operator--(int)
|
|
{
|
|
slot_reverse_iterator_buf __tmp(*this);
|
|
++i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
bool operator == (const slot_reverse_iterator_buf& other) const
|
|
{ return (!c_ || (i_ == other.i_)); } /* If '!c_' the iterators are empty.
|
|
* Unfortunately, empty stl iterators are not equal.
|
|
* We are forcing equality so that 'first==last'
|
|
* in the accumulator's emit function yields true. */
|
|
|
|
bool operator != (const slot_reverse_iterator_buf& other) const
|
|
{ return (c_ && (i_ != other.i_)); }
|
|
|
|
private:
|
|
iterator_type i_;
|
|
const emitter_type* c_;
|
|
mutable result_type r_;
|
|
mutable bool invoked_;
|
|
};
|
|
|
|
/** Template specialization of slot_reverse_iterator_buf for void return signals.
|
|
*/
|
|
template <class T_emitter>
|
|
struct slot_reverse_iterator_buf<T_emitter, void>
|
|
{
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef std::bidirectional_iterator_tag iterator_category;
|
|
|
|
typedef T_emitter emitter_type;
|
|
typedef void result_type;
|
|
typedef typename T_emitter::slot_type slot_type;
|
|
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
slot_reverse_iterator_buf()
|
|
: c_(0), invoked_(false) {}
|
|
|
|
slot_reverse_iterator_buf(const iterator_type& i, const emitter_type* c)
|
|
: i_(i), c_(c), invoked_(false) {}
|
|
|
|
void operator*() const
|
|
{
|
|
iterator_type __tmp(i_);
|
|
--__tmp;
|
|
if (!__tmp->empty() && !__tmp->blocked() && !invoked_)
|
|
{
|
|
(*c_)(static_cast<const slot_type&>(*__tmp));
|
|
invoked_ = true;
|
|
}
|
|
}
|
|
|
|
slot_reverse_iterator_buf& operator++()
|
|
{
|
|
--i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_reverse_iterator_buf operator++(int)
|
|
{
|
|
slot_reverse_iterator_buf __tmp(*this);
|
|
--i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
slot_reverse_iterator_buf& operator--()
|
|
{
|
|
++i_;
|
|
invoked_ = false;
|
|
return *this;
|
|
}
|
|
|
|
slot_reverse_iterator_buf operator--(int)
|
|
{
|
|
slot_reverse_iterator_buf __tmp(*this);
|
|
++i_;
|
|
invoked_ = false;
|
|
return __tmp;
|
|
}
|
|
|
|
bool operator == (const slot_reverse_iterator_buf& other) const
|
|
{ return i_ == other.i_; }
|
|
|
|
bool operator != (const slot_reverse_iterator_buf& other) const
|
|
{ return i_ != other.i_; }
|
|
|
|
private:
|
|
iterator_type i_;
|
|
const emitter_type* c_;
|
|
mutable bool invoked_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal0.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_accumulator>
|
|
struct signal_emit0
|
|
{
|
|
typedef signal_emit0<T_return, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
signal_emit0() {}
|
|
|
|
/** Invokes a slot.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self ;
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self ;
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return>
|
|
struct signal_emit0<T_return, nil>
|
|
{
|
|
typedef signal_emit0<T_return, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <>
|
|
struct signal_emit0<void, nil>
|
|
{
|
|
typedef signal_emit0<void, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef void (*call_type)(slot_rep*);
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
*/
|
|
static result_type emit(signal_impl* impl)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal1.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1, class T_accumulator>
|
|
struct signal_emit1
|
|
{
|
|
typedef signal_emit1<T_return, T_arg1, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit1(typename type_trait<T_arg1>::take _A_a1)
|
|
: _A_a1_(_A_a1) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit1.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit1.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1>
|
|
struct signal_emit1<T_return, T_arg1, nil>
|
|
{
|
|
typedef signal_emit1<T_return, T_arg1, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1>
|
|
struct signal_emit1<void, T_arg1, nil>
|
|
{
|
|
typedef signal_emit1<void, T_arg1, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal2.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2, class T_accumulator>
|
|
struct signal_emit2
|
|
{
|
|
typedef signal_emit2<T_return, T_arg1,T_arg2, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit2(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
: _A_a1_(_A_a1),_A_a2_(_A_a2) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_,_A_a2_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit2.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit2.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
typename type_trait<T_arg2>::take _A_a2_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2>
|
|
struct signal_emit2<T_return, T_arg1,T_arg2, nil>
|
|
{
|
|
typedef signal_emit2<T_return, T_arg1,T_arg2, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1,class T_arg2>
|
|
struct signal_emit2<void, T_arg1,T_arg2, nil>
|
|
{
|
|
typedef signal_emit2<void, T_arg1,T_arg2, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1,T_arg2> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal3.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3, class T_accumulator>
|
|
struct signal_emit3
|
|
{
|
|
typedef signal_emit3<T_return, T_arg1,T_arg2,T_arg3, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit3(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
: _A_a1_(_A_a1),_A_a2_(_A_a2),_A_a3_(_A_a3) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_,_A_a2_,_A_a3_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit3.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit3.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
typename type_trait<T_arg2>::take _A_a2_;
|
|
typename type_trait<T_arg3>::take _A_a3_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3>
|
|
struct signal_emit3<T_return, T_arg1,T_arg2,T_arg3, nil>
|
|
{
|
|
typedef signal_emit3<T_return, T_arg1,T_arg2,T_arg3, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1,class T_arg2,class T_arg3>
|
|
struct signal_emit3<void, T_arg1,T_arg2,T_arg3, nil>
|
|
{
|
|
typedef signal_emit3<void, T_arg1,T_arg2,T_arg3, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1,T_arg2,T_arg3> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal4.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4, class T_accumulator>
|
|
struct signal_emit4
|
|
{
|
|
typedef signal_emit4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit4(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
: _A_a1_(_A_a1),_A_a2_(_A_a2),_A_a3_(_A_a3),_A_a4_(_A_a4) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_,_A_a2_,_A_a3_,_A_a4_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit4.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit4.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
typename type_trait<T_arg2>::take _A_a2_;
|
|
typename type_trait<T_arg3>::take _A_a3_;
|
|
typename type_trait<T_arg4>::take _A_a4_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4>
|
|
struct signal_emit4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, nil>
|
|
{
|
|
typedef signal_emit4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1,class T_arg2,class T_arg3,class T_arg4>
|
|
struct signal_emit4<void, T_arg1,T_arg2,T_arg3,T_arg4, nil>
|
|
{
|
|
typedef signal_emit4<void, T_arg1,T_arg2,T_arg3,T_arg4, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1,T_arg2,T_arg3,T_arg4> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal5.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5, class T_accumulator>
|
|
struct signal_emit5
|
|
{
|
|
typedef signal_emit5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit5(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
: _A_a1_(_A_a1),_A_a2_(_A_a2),_A_a3_(_A_a3),_A_a4_(_A_a4),_A_a5_(_A_a5) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_,_A_a2_,_A_a3_,_A_a4_,_A_a5_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit5.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit5.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
typename type_trait<T_arg2>::take _A_a2_;
|
|
typename type_trait<T_arg3>::take _A_a3_;
|
|
typename type_trait<T_arg4>::take _A_a4_;
|
|
typename type_trait<T_arg5>::take _A_a5_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5>
|
|
struct signal_emit5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil>
|
|
{
|
|
typedef signal_emit5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5>
|
|
struct signal_emit5<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil>
|
|
{
|
|
typedef signal_emit5<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal6.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6, class T_accumulator>
|
|
struct signal_emit6
|
|
{
|
|
typedef signal_emit6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit6(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
: _A_a1_(_A_a1),_A_a2_(_A_a2),_A_a3_(_A_a3),_A_a4_(_A_a4),_A_a5_(_A_a5),_A_a6_(_A_a6) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_,_A_a2_,_A_a3_,_A_a4_,_A_a5_,_A_a6_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit6.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit6.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
typename type_trait<T_arg2>::take _A_a2_;
|
|
typename type_trait<T_arg3>::take _A_a3_;
|
|
typename type_trait<T_arg4>::take _A_a4_;
|
|
typename type_trait<T_arg5>::take _A_a5_;
|
|
typename type_trait<T_arg6>::take _A_a6_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6>
|
|
struct signal_emit6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil>
|
|
{
|
|
typedef signal_emit6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6>
|
|
struct signal_emit6<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil>
|
|
{
|
|
typedef signal_emit6<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6);
|
|
}
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template implements the emit() function of signal7.
|
|
* Template specializations are available to optimize signal
|
|
* emission when no accumulator is used, i.e. the template
|
|
* argument @e T_accumulator is @p nil.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6,class T_arg7, class T_accumulator>
|
|
struct signal_emit7
|
|
{
|
|
typedef signal_emit7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, T_accumulator> self_type;
|
|
typedef typename T_accumulator::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7> slot_type;
|
|
typedef internal::slot_iterator_buf<self_type> slot_iterator_buf_type;
|
|
typedef internal::slot_reverse_iterator_buf<self_type> slot_reverse_iterator_buf_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
|
|
/** Instantiates the class.
|
|
* The parameters are stored in member variables. operator()() passes
|
|
* the values on to some slot.
|
|
*/
|
|
signal_emit7(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
: _A_a1_(_A_a1),_A_a2_(_A_a2),_A_a3_(_A_a3),_A_a4_(_A_a4),_A_a5_(_A_a5),_A_a6_(_A_a6),_A_a7_(_A_a7) {}
|
|
|
|
|
|
/** Invokes a slot using the buffered parameter values.
|
|
* @param _A_slot Some slot to invoke.
|
|
* @return The slot's return value.
|
|
*/
|
|
T_return operator()(const slot_type& _A_slot) const
|
|
{ return (reinterpret_cast<typename slot_type::call_type>(_A_slot.rep_->call_))(_A_slot.rep_, _A_a1_,_A_a2_,_A_a3_,_A_a4_,_A_a5_,_A_a6_,_A_a7_); }
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are buffered in a temporary instance of signal_emit7.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
return accumulator(slot_iterator_buf_type(slots.begin(), &self),
|
|
slot_iterator_buf_type(slots.end(), &self));
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are buffered in a temporary instance of signal_emit7.
|
|
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations as processed by the accumulator.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
{
|
|
T_accumulator accumulator;
|
|
|
|
if (!impl)
|
|
return accumulator(slot_iterator_buf_type(), slot_iterator_buf_type());
|
|
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
self_type self (_A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
return accumulator(slot_reverse_iterator_buf_type(slots.end(), &self),
|
|
slot_reverse_iterator_buf_type(slots.begin(), &self));
|
|
}
|
|
|
|
typename type_trait<T_arg1>::take _A_a1_;
|
|
typename type_trait<T_arg2>::take _A_a2_;
|
|
typename type_trait<T_arg3>::take _A_a3_;
|
|
typename type_trait<T_arg4>::take _A_a4_;
|
|
typename type_trait<T_arg5>::take _A_a5_;
|
|
typename type_trait<T_arg6>::take _A_a6_;
|
|
typename type_trait<T_arg7>::take _A_a7_;
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used.
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6,class T_arg7>
|
|
struct signal_emit7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, nil>
|
|
{
|
|
typedef signal_emit7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, nil > self_type;
|
|
typedef T_return result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
temp_slot_list slots(impl->slots_);
|
|
iterator_type it = slots.begin();
|
|
for (; it != slots.end(); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == slots.end())
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
for (++it; it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* The return value of the last slot invoked is returned.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
* @return The return value of the last slot invoked.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
{
|
|
if (!impl || impl->slots_.empty())
|
|
return T_return();
|
|
|
|
signal_exec exec(impl);
|
|
T_return r_ = T_return();
|
|
|
|
//Use this scope to make sure that "slots" is destroyed before "exec" is destroyed.
|
|
//This avoids a leak on MSVC++ - see http://bugzilla.gnome.org/show_bug.cgi?id=306249
|
|
{
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
|
|
temp_slot_list slots(impl->slots_);
|
|
reverse_iterator_type it(slots.end());
|
|
for (; it != reverse_iterator_type(slots.begin()); ++it)
|
|
if (!it->empty() && !it->blocked()) break;
|
|
|
|
if (it == reverse_iterator_type(slots.begin()))
|
|
return T_return(); // note that 'T_return r_();' doesn't work => define 'r_' after this line and initialize as follows:
|
|
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
for (++it; it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
r_ = (reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
}
|
|
}
|
|
|
|
return r_;
|
|
}
|
|
};
|
|
|
|
/** Abstracts signal emission.
|
|
* This template specialization implements an optimized emit()
|
|
* function for the case that no accumulator is used and the
|
|
* return type is @p void.
|
|
*/
|
|
template <class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6,class T_arg7>
|
|
struct signal_emit7<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, nil>
|
|
{
|
|
typedef signal_emit7<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, nil> self_type;
|
|
typedef void result_type;
|
|
typedef slot<void, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7> slot_type;
|
|
typedef signal_impl::const_iterator_type iterator_type;
|
|
typedef typename slot_type::call_type call_type;
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
for (iterator_type it = slots.begin(); it != slots.end(); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
}
|
|
}
|
|
|
|
/** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.
|
|
* The arguments are passed directly on to the slots.
|
|
* @param first An iterator pointing to the first slot in the list.
|
|
* @param last An iterator pointing to the last slot in the list.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
*/
|
|
static result_type emit_reverse(signal_impl* impl, typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7)
|
|
{
|
|
if (!impl || impl->slots_.empty()) return;
|
|
signal_exec exec(impl);
|
|
temp_slot_list slots(impl->slots_);
|
|
|
|
#ifndef SIGC_HAVE_SUN_REVERSE_ITERATOR
|
|
typedef std::reverse_iterator<signal_impl::iterator_type> reverse_iterator_type;
|
|
#else
|
|
typedef std::reverse_iterator<signal_impl::iterator_type, std::random_access_iterator_tag,
|
|
slot_base, slot_base&, slot_base*, ptrdiff_t> reverse_iterator_type;
|
|
#endif
|
|
for (reverse_iterator_type it = reverse_iterator_type(slots.end()); it != reverse_iterator_type(slots.begin()); ++it)
|
|
{
|
|
if (it->empty() || it->blocked())
|
|
continue;
|
|
(reinterpret_cast<call_type>(it->rep_->call_))(it->rep_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
} /* namespace internal */
|
|
|
|
/** Signal declaration.
|
|
* signal0 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_accumulator=nil>
|
|
class signal0
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit0<T_return, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit() const
|
|
{ return emitter_type::emit(impl_); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse() const
|
|
{ return emitter_type::emit_reverse(impl_); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()() const
|
|
{ return emit(); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal0::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor0<result_type, signal0> make_slot() const
|
|
{ return bound_const_mem_functor0<result_type, signal0>(this, &signal0::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal0*>(this)->impl()); }
|
|
|
|
signal0() {}
|
|
|
|
signal0(const signal0& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal1 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1, class T_accumulator=nil>
|
|
class signal1
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit1<T_return, T_arg1, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1) const
|
|
{ return emitter_type::emit(impl_, _A_a1); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1) const
|
|
{ return emit(_A_a1); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal1::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor1<result_type, signal1, typename type_trait<T_arg1>::take> make_slot() const
|
|
{ return bound_const_mem_functor1<result_type, signal1, typename type_trait<T_arg1>::take>(this, &signal1::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal1*>(this)->impl()); }
|
|
|
|
signal1() {}
|
|
|
|
signal1(const signal1& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal2 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_arg2 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2, class T_accumulator=nil>
|
|
class signal2
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit2<T_return, T_arg1,T_arg2, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2) const
|
|
{ return emitter_type::emit(impl_, _A_a1,_A_a2); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1,_A_a2); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2) const
|
|
{ return emit(_A_a1,_A_a2); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal2::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor2<result_type, signal2, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take> make_slot() const
|
|
{ return bound_const_mem_functor2<result_type, signal2, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take>(this, &signal2::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal2*>(this)->impl()); }
|
|
|
|
signal2() {}
|
|
|
|
signal2(const signal2& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal3 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_arg2 Argument type used in the definition of emit().
|
|
* - @e T_arg3 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3, class T_accumulator=nil>
|
|
class signal3
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit3<T_return, T_arg1,T_arg2,T_arg3, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3) const
|
|
{ return emitter_type::emit(impl_, _A_a1,_A_a2,_A_a3); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1,_A_a2,_A_a3); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3) const
|
|
{ return emit(_A_a1,_A_a2,_A_a3); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal3::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor3<result_type, signal3, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take> make_slot() const
|
|
{ return bound_const_mem_functor3<result_type, signal3, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take>(this, &signal3::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal3*>(this)->impl()); }
|
|
|
|
signal3() {}
|
|
|
|
signal3(const signal3& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal4 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_arg2 Argument type used in the definition of emit().
|
|
* - @e T_arg3 Argument type used in the definition of emit().
|
|
* - @e T_arg4 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4, class T_accumulator=nil>
|
|
class signal4
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4) const
|
|
{ return emitter_type::emit(impl_, _A_a1,_A_a2,_A_a3,_A_a4); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1,_A_a2,_A_a3,_A_a4); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4) const
|
|
{ return emit(_A_a1,_A_a2,_A_a3,_A_a4); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal4::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor4<result_type, signal4, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take> make_slot() const
|
|
{ return bound_const_mem_functor4<result_type, signal4, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take>(this, &signal4::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal4*>(this)->impl()); }
|
|
|
|
signal4() {}
|
|
|
|
signal4(const signal4& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal5 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_arg2 Argument type used in the definition of emit().
|
|
* - @e T_arg3 Argument type used in the definition of emit().
|
|
* - @e T_arg4 Argument type used in the definition of emit().
|
|
* - @e T_arg5 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5, class T_accumulator=nil>
|
|
class signal5
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5) const
|
|
{ return emitter_type::emit(impl_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5) const
|
|
{ return emit(_A_a1,_A_a2,_A_a3,_A_a4,_A_a5); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal5::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor5<result_type, signal5, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take,typename type_trait<T_arg5>::take> make_slot() const
|
|
{ return bound_const_mem_functor5<result_type, signal5, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take,typename type_trait<T_arg5>::take>(this, &signal5::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal5*>(this)->impl()); }
|
|
|
|
signal5() {}
|
|
|
|
signal5(const signal5& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal6 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_arg2 Argument type used in the definition of emit().
|
|
* - @e T_arg3 Argument type used in the definition of emit().
|
|
* - @e T_arg4 Argument type used in the definition of emit().
|
|
* - @e T_arg5 Argument type used in the definition of emit().
|
|
* - @e T_arg6 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6, class T_accumulator=nil>
|
|
class signal6
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6) const
|
|
{ return emitter_type::emit(impl_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6) const
|
|
{ return emit(_A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal6::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor6<result_type, signal6, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take,typename type_trait<T_arg5>::take,typename type_trait<T_arg6>::take> make_slot() const
|
|
{ return bound_const_mem_functor6<result_type, signal6, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take,typename type_trait<T_arg5>::take,typename type_trait<T_arg6>::take>(this, &signal6::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal6*>(this)->impl()); }
|
|
|
|
signal6() {}
|
|
|
|
signal6(const signal6& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
/** Signal declaration.
|
|
* signal7 can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitely.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The following template arguments are used:
|
|
* - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).
|
|
* - @e T_arg1 Argument type used in the definition of emit().
|
|
* - @e T_arg2 Argument type used in the definition of emit().
|
|
* - @e T_arg3 Argument type used in the definition of emit().
|
|
* - @e T_arg4 Argument type used in the definition of emit().
|
|
* - @e T_arg5 Argument type used in the definition of emit().
|
|
* - @e T_arg6 Argument type used in the definition of emit().
|
|
* - @e T_arg7 Argument type used in the definition of emit().
|
|
* - @e T_accumulator The accumulator type used for emission. The default @p nil means that no accumulator should be used, i.e. signal emission returns the return value of the last slot invoked.
|
|
*
|
|
* You should use the more convenient unnumbered sigc::signal template.
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6,class T_arg7, class T_accumulator=nil>
|
|
class signal7
|
|
: public signal_base
|
|
{
|
|
public:
|
|
typedef internal::signal_emit7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, T_accumulator> emitter_type;
|
|
typedef typename emitter_type::result_type result_type;
|
|
typedef slot<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7> slot_type;
|
|
typedef slot_list<slot_type> slot_list_type;
|
|
typedef typename slot_list_type::iterator iterator;
|
|
typedef typename slot_list_type::const_iterator const_iterator;
|
|
typedef typename slot_list_type::reverse_iterator reverse_iterator;
|
|
typedef typename slot_list_type::const_reverse_iterator const_reverse_iterator;
|
|
|
|
/** Add a slot to the list of slots.
|
|
* Any functor or slot may be passed into connect().
|
|
* It will be converted into a slot implicitely.
|
|
* The returned iterator may be stored for disconnection
|
|
* of the slot at some later point. It stays valid until
|
|
* the slot is removed from the list of slots. The iterator
|
|
* can also be implicitely converted into a sigc::connection object
|
|
* that may be used safely beyond the life time of the slot.
|
|
* @param slot_ The slot to add to the list of slots.
|
|
* @return An iterator pointing to the new slot in the list.
|
|
*/
|
|
iterator connect(const slot_type& slot_)
|
|
{ return iterator(signal_base::connect(static_cast<const slot_base&>(slot_))); }
|
|
|
|
/** Triggers the emission of the signal.
|
|
* During signal emission all slots that have been connected
|
|
* to the signal are invoked unless they are manually set into
|
|
* a blocking state. The parameters are passed on to the slots.
|
|
* If @e T_accumulated is not @p nil, an accumulator of this type
|
|
* is used to process the return values of the slot invocations.
|
|
* Otherwise, the return value of the last slot invoked is returned.
|
|
* @param _A_a1 Argument to be passed on to the slots.
|
|
* @param _A_a2 Argument to be passed on to the slots.
|
|
* @param _A_a3 Argument to be passed on to the slots.
|
|
* @param _A_a4 Argument to be passed on to the slots.
|
|
* @param _A_a5 Argument to be passed on to the slots.
|
|
* @param _A_a6 Argument to be passed on to the slots.
|
|
* @param _A_a7 Argument to be passed on to the slots.
|
|
* @return The accumulated return values of the slot invocations.
|
|
*/
|
|
result_type emit(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7) const
|
|
{ return emitter_type::emit(impl_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7); }
|
|
|
|
/** Triggers the emission of the signal in reverse order (see emit()). */
|
|
result_type emit_reverse(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7) const
|
|
{ return emitter_type::emit_reverse(impl_, _A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7); }
|
|
|
|
/** Triggers the emission of the signal (see emit()). */
|
|
result_type operator()(typename type_trait<T_arg1>::take _A_a1,typename type_trait<T_arg2>::take _A_a2,typename type_trait<T_arg3>::take _A_a3,typename type_trait<T_arg4>::take _A_a4,typename type_trait<T_arg5>::take _A_a5,typename type_trait<T_arg6>::take _A_a6,typename type_trait<T_arg7>::take _A_a7) const
|
|
{ return emit(_A_a1,_A_a2,_A_a3,_A_a4,_A_a5,_A_a6,_A_a7); }
|
|
|
|
/** Creates a functor that calls emit() on this signal.
|
|
* @code
|
|
* sigc::mem_fun(mysignal, &sigc::signal7::emit)
|
|
* @endcode
|
|
* yields the same result.
|
|
* @return A functor that calls emit() on this signal.
|
|
*/
|
|
bound_const_mem_functor7<result_type, signal7, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take,typename type_trait<T_arg5>::take,typename type_trait<T_arg6>::take,typename type_trait<T_arg7>::take> make_slot() const
|
|
{ return bound_const_mem_functor7<result_type, signal7, typename type_trait<T_arg1>::take,typename type_trait<T_arg2>::take,typename type_trait<T_arg3>::take,typename type_trait<T_arg4>::take,typename type_trait<T_arg5>::take,typename type_trait<T_arg6>::take,typename type_trait<T_arg7>::take>(this, &signal7::emit); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
slot_list_type slots()
|
|
{ return slot_list_type(impl()); }
|
|
|
|
/** Creates an STL-style interface for the signal's list of slots.
|
|
* This interface supports iteration, insertion and removal of slots.
|
|
* @return An STL-style interface for the signal's list of slots.
|
|
*/
|
|
const slot_list_type slots() const
|
|
{ return slot_list_type(const_cast<signal7*>(this)->impl()); }
|
|
|
|
signal7() {}
|
|
|
|
signal7(const signal7& src)
|
|
: signal_base(src) {}
|
|
};
|
|
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal# templates.
|
|
* signal can be used to connect() slots that are invoked
|
|
* during subsequent calls to emit(). Any functor or slot
|
|
* can be passed into connect(). It is converted into a slot
|
|
* implicitly.
|
|
*
|
|
* If you want to connect one signal to another, use make_slot()
|
|
* to retrieve a functor that emits the signal when invoked.
|
|
*
|
|
* Be careful if you directly pass one signal into the connect()
|
|
* method of another: a shallow copy of the signal is made and
|
|
* the signal's slots are not disconnected until both the signal
|
|
* and its clone are destroyed which is probably not what you want!
|
|
*
|
|
* An STL-style list interface for the signal's list of slots
|
|
* can be retrieved with slots(). This interface supports
|
|
* iteration, insertion and removal of slots.
|
|
*
|
|
* The template arguments determine the function signature of
|
|
* the emit() function:
|
|
* - @e T_return The desired return type of the emit() function.
|
|
* - @e T_arg1 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
* - @e T_arg2 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
* - @e T_arg3 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
* - @e T_arg4 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
* - @e T_arg5 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
* - @e T_arg6 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
* - @e T_arg7 Argument type used in the definition of emit(). The default @p nil means no argument.
|
|
*
|
|
* To specify an accumulator type the nested class signal::accumulated can be used.
|
|
*
|
|
* @par Example:
|
|
* @code
|
|
* void foo(int) {}
|
|
* sigc::signal<void, long> sig;
|
|
* sig.connect(sigc::ptr_fun(&foo));
|
|
* sig.emit(19);
|
|
* @endcode
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_return, class T_arg1 = nil,class T_arg2 = nil,class T_arg3 = nil,class T_arg4 = nil,class T_arg5 = nil,class T_arg6 = nil,class T_arg7 = nil>
|
|
class signal
|
|
: public signal7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, nil>
|
|
{
|
|
public:
|
|
/** Convenience wrapper for the numbered sigc::signal# templates.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*
|
|
* An accumulator is a functor that uses a pair of special iterators
|
|
* to step through a list of slots and calculate a return value
|
|
* from the results of the slot invokations. The iterators' operator*()
|
|
* executes the slot. The return value is buffered, so that in an expression
|
|
* like @code a = (*i) * (*i); @endcode the slot is executed only once.
|
|
* The accumulator must define its return value as @p result_type.
|
|
*
|
|
* @par Example 1:
|
|
* This accumulator calculates the arithmetic mean value:
|
|
* @code
|
|
* struct arithmetic_mean_accumulator
|
|
* {
|
|
* typedef double result_type;
|
|
* template<typename T_iterator>
|
|
* result_type operator()(T_iterator first, T_iterator last) const
|
|
* {
|
|
* result_type value_ = 0;
|
|
* int n_ = 0;
|
|
* for (; first != last; ++first, ++n_)
|
|
* value_ += *first;
|
|
* return value_ / n_;
|
|
* }
|
|
* };
|
|
* @endcode
|
|
*
|
|
* @par Example 2:
|
|
* This accumulator stops signal emission when a slot returns zero:
|
|
* @code
|
|
* struct interruptable_accumulator
|
|
* {
|
|
* typedef bool result_type;
|
|
* template<typename T_iterator>
|
|
* result_type operator()(T_iterator first, T_iterator last) const
|
|
* {
|
|
* for (; first != last; ++first, ++n_)
|
|
* if (!*first) return false;
|
|
* return true;
|
|
* }
|
|
* };
|
|
* @endcode
|
|
*
|
|
* @ingroup signal
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal7<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6,T_arg7, nil>(src) {}
|
|
};
|
|
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal0 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 0 argument(s).
|
|
*/
|
|
template <class T_return>
|
|
class signal <T_return, nil,nil,nil,nil,nil,nil,nil>
|
|
: public signal0<T_return, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal0 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal0<T_return, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal0<T_return, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal0<T_return, nil>(src) {}
|
|
};
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal1 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 1 argument(s).
|
|
*/
|
|
template <class T_return, class T_arg1>
|
|
class signal <T_return, T_arg1, nil,nil,nil,nil,nil,nil>
|
|
: public signal1<T_return, T_arg1, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal1 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal1<T_return, T_arg1, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal1<T_return, T_arg1, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal1<T_return, T_arg1, nil>(src) {}
|
|
};
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal2 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 2 argument(s).
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2>
|
|
class signal <T_return, T_arg1,T_arg2, nil,nil,nil,nil,nil>
|
|
: public signal2<T_return, T_arg1,T_arg2, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal2 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal2<T_return, T_arg1,T_arg2, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal2<T_return, T_arg1,T_arg2, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal2<T_return, T_arg1,T_arg2, nil>(src) {}
|
|
};
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal3 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 3 argument(s).
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3>
|
|
class signal <T_return, T_arg1,T_arg2,T_arg3, nil,nil,nil,nil>
|
|
: public signal3<T_return, T_arg1,T_arg2,T_arg3, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal3 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal3<T_return, T_arg1,T_arg2,T_arg3, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal3<T_return, T_arg1,T_arg2,T_arg3, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal3<T_return, T_arg1,T_arg2,T_arg3, nil>(src) {}
|
|
};
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal4 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 4 argument(s).
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4>
|
|
class signal <T_return, T_arg1,T_arg2,T_arg3,T_arg4, nil,nil,nil>
|
|
: public signal4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal4 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal4<T_return, T_arg1,T_arg2,T_arg3,T_arg4, nil>(src) {}
|
|
};
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal5 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 5 argument(s).
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5>
|
|
class signal <T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil,nil>
|
|
: public signal5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal5 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal5<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5, nil>(src) {}
|
|
};
|
|
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal6 template.
|
|
* See the base class for useful methods.
|
|
* This is the template specialization of the unnumbered sigc::signal
|
|
* template for 6 argument(s).
|
|
*/
|
|
template <class T_return, class T_arg1,class T_arg2,class T_arg3,class T_arg4,class T_arg5,class T_arg6>
|
|
class signal <T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil>
|
|
: public signal6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil>
|
|
{
|
|
public:
|
|
|
|
/** Convenience wrapper for the numbered sigc::signal6 template.
|
|
* Like sigc::signal but the additional template parameter @e T_accumulator
|
|
* defines the accumulator type that should be used.
|
|
*/
|
|
template <class T_accumulator>
|
|
class accumulated
|
|
: public signal6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, T_accumulator>
|
|
{
|
|
public:
|
|
accumulated() {}
|
|
accumulated(const accumulated& src)
|
|
: signal6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, T_accumulator>(src) {}
|
|
};
|
|
|
|
signal() {}
|
|
signal(const signal& src)
|
|
: signal6<T_return, T_arg1,T_arg2,T_arg3,T_arg4,T_arg5,T_arg6, nil>(src) {}
|
|
};
|
|
|
|
|
|
|
|
} /* namespace sigc */
|
|
|
|
#endif /* _SIGC_SIGNAL_H_ */
|