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sigly.h
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2114 lines (1715 loc) · 62 KB
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/*
Copyright (c) 2011 Anhero Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
sigly - event/delegate (signal/slot) mechanism implementation for C++
https://github.com/anhero/Sigly
Library is written in C++03 and does not use C++11 features.
To use the library, add the sigly.h file to the list of the system include directories or
to your project.
You can specify which multi-thread policy you want by defining a macro before including sigly or
by defining it directly in the define.h file. The macros are described in the following quick
documentation.
Originally written by Sarah Thompson ([email protected]) 2002.
QUICK DOCUMENTATION
(see also the full documentation at http://sigslot.sourceforge.net/)
#define switches
SIGLY_PURE_ISO - Define this to force ISO C++ compliance. This also disables
all of the thread safety support on platforms where it is
available.
SIGLY_USE_POSIX_THREADS - Force use of Posix threads when using a C++ compiler other than
gcc on a platform that supports Posix threads. (When using gcc,
this is the default - use SIGLY_PURE_ISO to disable this if
necessary)
SIGLY_DEFAULT_MT_POLICY - Where thread support is enabled, this defaults to MultiThreadedGlobal.
Otherwise, the default is SingleThreaded. #define this yourself to
override the default. In pure ISO mode, anything other than
SingleThreaded will cause a compiler error.
PLATFORM NOTES
Win32 - On Win32, the WIN32 symbol must be #defined. Most mainstream
compilers do this by default, but you may need to define it
yourself if your build environment is less standard. This causes
the Win32 thread support to be compiled in and used automatically.
Unix/Linux/BSD, etc. - If you're using gcc, it is assumed that you have Posix threads
available, so they are used automatically. You can override this
(as under Windows) with the SIGLY_PURE_ISO switch. If you're using
something other than gcc but still want to use Posix threads, you
need to #define SIGLY_USE_POSIX_THREADS.
ISO C++ - If none of the supported platforms are detected, or if
SIGLY_PURE_ISO is defined, all multithreading support is turned off,
along with any code that might cause a pure ISO C++ environment to
complain. Before you ask, gcc -ansi -pedantic won't compile this
library, but gcc -ansi is fine. Pedantic mode seems to throw a lot of
errors that aren't really there. If you feel like investigating this,
please contact the author.
THREADING MODES
SingleThreaded - Your program is assumed to be single threaded from the point of view
of signal/slot usage (i.e. all objects using signals and slots are
created and destroyed from a single thread). Behaviour if objects are
destroyed concurrently is undefined (i.e. you'll get the occasional
segmentation fault/memory exception).
MultiThreadedGlobal - Your program is assumed to be multi threaded. Objects using signals and
slots can be safely created and destroyed from any thread, even when
connections exist. In MultiThreadedGlobal mode, this is achieved by a
single global mutex (actually a critical section on Windows because they
are faster). This option uses less OS resources, but results in more
opportunities for contention, possibly resulting in more context switches
than are strictly necessary.
MultiThreadedLocal - Behaviour in this mode is essentially the same as MultiThreadedGlobal,
except that each signal, and each object that inherits HasSlots, all
have their own mutex/critical section. In practice, this means that
mutex collisions (and hence context switches) only happen if they are
absolutely essential. However, on some platforms, creating a lot of
mutexes can slow down the whole OS, so use this option with care.
*/
#ifndef SIGLY_H__
#define SIGLY_H__
#include <set>
#include <list>
#if defined(SIGLY_PURE_ISO) || (!defined(WIN32) && !defined(__GNUG__) && !defined(SIGLY_USE_POSIX_THREADS))
# define _SIGLY_SINGLE_THREADED
#elif defined(WIN32)
# define _SIGLY_HAS_WIN32_THREADS
# include <windows.h>
#elif defined(__GNUG__) || defined(SIGLY_USE_POSIX_THREADS)
# define _SIGLY_HAS_POSIX_THREADS
# include <pthread.h>
#else
# define _SIGLY_SINGLE_THREADED
#endif
#ifndef SIGLY_DEFAULT_MT_POLICY
# ifdef _SIGLY_SINGLE_THREADED
# define SIGLY_DEFAULT_MT_POLICY SingleThreaded
# else
# define SIGLY_DEFAULT_MT_POLICY MultiThreadedLocal
# endif
#endif
namespace sigly {
class SingleThreaded {
public:
SingleThreaded() {
}
virtual ~SingleThreaded() {
}
virtual void lock() {
}
virtual void unlock() {
}
};
#ifdef _SIGLY_HAS_WIN32_THREADS
// The multi threading policies only get compiled in if they are enabled.
class MultiThreadedGlobal {
public:
MultiThreadedGlobal() {
static bool isinitialised = false;
if (!isinitialised) {
InitializeCriticalSection(get_critsec());
isinitialised = true;
}
}
MultiThreadedGlobal(const MultiThreadedGlobal &) {
}
virtual ~MultiThreadedGlobal() {
}
virtual void lock() {
EnterCriticalSection(get_critsec());
}
virtual void unlock() {
LeaveCriticalSection(get_critsec());
}
private:
CRITICAL_SECTION *get_critsec() {
static CRITICAL_SECTION g_critsec;
return &g_critsec;
}
};
class MultiThreadedLocal {
public:
MultiThreadedLocal() {
InitializeCriticalSection(&m_critsec);
}
MultiThreadedLocal(const MultiThreadedLocal &) {
InitializeCriticalSection(&m_critsec);
}
virtual ~MultiThreadedLocal() {
DeleteCriticalSection(&m_critsec);
}
virtual void lock() {
EnterCriticalSection(&m_critsec);
}
virtual void unlock() {
LeaveCriticalSection(&m_critsec);
}
private:
CRITICAL_SECTION m_critsec;
};
#endif // _SIGLY_HAS_WIN32_THREADS
#ifdef _SIGLY_HAS_POSIX_THREADS
// The multi threading policies only get compiled in if they are enabled.
class MultiThreadedGlobal {
public:
MultiThreadedGlobal() {
pthread_mutex_init(get_mutex(), NULL);
}
MultiThreadedGlobal(const MultiThreadedGlobal &) {
}
virtual ~MultiThreadedGlobal() {
}
virtual void lock() {
pthread_mutex_lock(get_mutex());
}
virtual void unlock() {
pthread_mutex_unlock(get_mutex());
}
private:
pthread_mutex_t *get_mutex() {
static pthread_mutex_t g_mutex;
return &g_mutex;
}
};
class MultiThreadedLocal {
public:
MultiThreadedLocal() {
pthread_mutex_init(&m_mutex, NULL);
}
MultiThreadedLocal(const MultiThreadedLocal &) {
pthread_mutex_init(&m_mutex, NULL);
}
virtual ~MultiThreadedLocal() {
pthread_mutex_destroy(&m_mutex);
}
virtual void lock() {
pthread_mutex_lock(&m_mutex);
}
virtual void unlock() {
pthread_mutex_unlock(&m_mutex);
}
private:
pthread_mutex_t m_mutex;
};
#endif // _SIGLY_HAS_POSIX_THREADS
template<class mt_policy>
class lock_block {
public:
mt_policy *m_mutex;
lock_block(mt_policy *mtx)
: m_mutex(mtx) {
m_mutex->lock();
}
~lock_block() {
m_mutex->unlock();
}
};
template<class mt_policy>
class HasSlots;
template<class mt_policy>
class _connection_base0 {
public:
virtual ~_connection_base0() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot() = 0;
virtual _connection_base0 *clone() = 0;
virtual _connection_base0 *duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template<class arg1_type, class mt_policy>
class _connection_base1 {
public:
virtual ~_connection_base1() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type) = 0;
virtual _connection_base1<arg1_type, mt_policy>* clone() = 0;
virtual _connection_base1<arg1_type, mt_policy>* duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template<class arg1_type, class arg2_type, class mt_policy>
class _connection_base2 {
public:
virtual ~_connection_base2() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type) = 0;
virtual _connection_base2<arg1_type, arg2_type, mt_policy>* clone() = 0;
virtual _connection_base2<arg1_type, arg2_type, mt_policy>* duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template<class arg1_type, class arg2_type, class arg3_type, class mt_policy>
class _connection_base3 {
public:
virtual ~_connection_base3() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type, arg3_type) = 0;
virtual _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>* clone() = 0;
virtual _connection_base3<arg1_type, arg2_type, arg3_type, mt_policy>* duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template<class arg1_type, class arg2_type, class arg3_type, class arg4_type, class mt_policy>
class _connection_base4 {
public:
virtual ~_connection_base4() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type, arg3_type, arg4_type) = 0;
virtual _connection_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>* clone() = 0;
virtual _connection_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>* duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template < class arg1_type, class arg2_type, class arg3_type, class arg4_type,
class arg5_type, class mt_policy >
class _connection_base5 {
public:
virtual ~_connection_base5() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type) = 0;
virtual _connection_base5 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, mt_policy > * clone() = 0;
virtual _connection_base5 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, mt_policy > * duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template < class arg1_type, class arg2_type, class arg3_type, class arg4_type,
class arg5_type, class arg6_type, class mt_policy >
class _connection_base6 {
public:
virtual ~_connection_base6() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type, arg3_type, arg4_type, arg5_type,
arg6_type) = 0;
virtual _connection_base6 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, arg6_type, mt_policy > * clone() = 0;
virtual _connection_base6 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, arg6_type, mt_policy > * duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template < class arg1_type, class arg2_type, class arg3_type, class arg4_type,
class arg5_type, class arg6_type, class arg7_type, class mt_policy >
class _connection_base7 {
public:
virtual ~_connection_base7() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type, arg3_type, arg4_type, arg5_type,
arg6_type, arg7_type) = 0;
virtual _connection_base7 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, arg6_type, arg7_type, mt_policy > * clone() = 0;
virtual _connection_base7 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, arg6_type, arg7_type, mt_policy > * duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template < class arg1_type, class arg2_type, class arg3_type, class arg4_type,
class arg5_type, class arg6_type, class arg7_type, class arg8_type, class mt_policy >
class _connection_base8 {
public:
virtual ~_connection_base8() {}
virtual HasSlots<mt_policy>* getdest() const = 0;
virtual void shoot(arg1_type, arg2_type, arg3_type, arg4_type, arg5_type,
arg6_type, arg7_type, arg8_type) = 0;
virtual _connection_base8 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, arg6_type, arg7_type, arg8_type, mt_policy > * clone() = 0;
virtual _connection_base8 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, arg6_type, arg7_type, arg8_type, mt_policy > * duplicate(HasSlots<mt_policy>* pnewdest) = 0;
};
template<class mt_policy>
class _signal_base : public mt_policy {
public:
virtual void slot_disconnect(HasSlots<mt_policy>* pslot) = 0;
virtual void slot_duplicate(const HasSlots<mt_policy>* poldslot, HasSlots<mt_policy>* pnewslot) = 0;
};
template<class mt_policy = SIGLY_DEFAULT_MT_POLICY>
class HasSlots : public mt_policy {
private:
typedef typename std::set<_signal_base<mt_policy> *> sender_set;
typedef typename sender_set::const_iterator const_iterator;
public:
HasSlots(): mt_policy(), active(true) {
}
HasSlots(const HasSlots &hs): mt_policy(hs) {
lock_block<mt_policy> lock(this);
const_iterator it = hs.m_senders.begin();
const_iterator itEnd = hs.m_senders.end();
while (it != itEnd) {
(*it)->slot_duplicate(&hs, this);
m_senders.insert(*it);
++it;
}
}
void signalConnect(_signal_base<mt_policy>* sender) {
lock_block<mt_policy> lock(this);
m_senders.insert(sender);
}
void signalDisconnect(_signal_base<mt_policy>* sender) {
lock_block<mt_policy> lock(this);
m_senders.erase(sender);
}
virtual ~HasSlots() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_senders.begin();
const_iterator itEnd = m_senders.end();
while (it != itEnd) {
(*it)->slot_disconnect(this);
++it;
}
m_senders.erase(m_senders.begin(), m_senders.end());
}
void deactivateSlots() {
active = false;
}
void activateSlots() {
active = true;
}
bool areSlotsActive() const {
return active;
}
private:
sender_set m_senders;
bool active;
};
template<class mt_policy>
class _signal_base0 : public _signal_base<mt_policy> {
public:
typedef typename std::list<_connection_base0<mt_policy> *> connections_list;
typedef typename connections_list::const_iterator const_iterator;
typedef typename connections_list::iterator iterator;
_signal_base0() {
;
}
_signal_base0(const _signal_base0 &s)
: _signal_base<mt_policy>(s) {
lock_block<mt_policy> lock(this);
const_iterator it = s.m_connected_slots.begin();
const_iterator itEnd = s.m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalConnect(this);
m_connected_slots.push_back((*it)->clone());
++it;
}
}
~_signal_base0() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_connected_slots.begin();
const_iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalDisconnect(this);
delete *it;
++it;
}
m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
}
void disconnect(HasSlots<mt_policy>* pclass) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == pclass) {
delete *it;
m_connected_slots.erase(iterator(it++));
pclass->signalDisconnect(this);
continue;
}
++it;
}
}
void slot_disconnect(HasSlots<mt_policy>* pslot) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
iterator itNext = it;
++itNext;
if ((*it)->getdest() == pslot) {
delete *it;
m_connected_slots.erase(it);
}
it = itNext;
}
}
void slot_duplicate(const HasSlots<mt_policy>* oldtarget, HasSlots<mt_policy>* newtarget) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == oldtarget) {
m_connected_slots.push_back((*it)->duplicate(newtarget));
}
++it;
}
}
protected:
connections_list m_connected_slots;
};
template<class arg1_type, class mt_policy>
class _signal_base1 : public _signal_base<mt_policy> {
public:
typedef typename std::list<_connection_base1<arg1_type, mt_policy> *> connections_list;
typedef typename connections_list::const_iterator const_iterator;
typedef typename connections_list::iterator iterator;
_signal_base1() {
;
}
_signal_base1(const _signal_base1<arg1_type, mt_policy>& s)
: _signal_base<mt_policy>(s) {
lock_block<mt_policy> lock(this);
const_iterator it = s.m_connected_slots.begin();
const_iterator itEnd = s.m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalConnect(this);
m_connected_slots.push_back((*it)->clone());
++it;
}
}
void slot_duplicate(const HasSlots<mt_policy>* oldtarget, HasSlots<mt_policy>* newtarget) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == oldtarget) {
m_connected_slots.push_back((*it)->duplicate(newtarget));
}
++it;
}
}
~_signal_base1() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_connected_slots.begin();
const_iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalDisconnect(this);
delete *it;
++it;
}
m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
}
void disconnect(HasSlots<mt_policy>* pclass) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == pclass) {
delete *it;
m_connected_slots.erase(iterator(it++));
pclass->signalDisconnect(this);
continue;
}
++it;
}
}
void slot_disconnect(HasSlots<mt_policy>* pslot) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
iterator itNext = it;
++itNext;
if ((*it)->getdest() == pslot) {
delete *it;
m_connected_slots.erase(it);
}
it = itNext;
}
}
protected:
connections_list m_connected_slots;
};
template<class arg1_type, class arg2_type, class mt_policy>
class _signal_base2 : public _signal_base<mt_policy> {
public:
typedef typename std::list<_connection_base2<arg1_type, arg2_type, mt_policy> *>
connections_list;
typedef typename connections_list::const_iterator const_iterator;
typedef typename connections_list::iterator iterator;
_signal_base2() {
;
}
_signal_base2(const _signal_base2<arg1_type, arg2_type, mt_policy>& s)
: _signal_base<mt_policy>(s) {
lock_block<mt_policy> lock(this);
const_iterator it = s.m_connected_slots.begin();
const_iterator itEnd = s.m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalConnect(this);
m_connected_slots.push_back((*it)->clone());
++it;
}
}
void slot_duplicate(const HasSlots<mt_policy>* oldtarget, HasSlots<mt_policy>* newtarget) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == oldtarget) {
m_connected_slots.push_back((*it)->duplicate(newtarget));
}
++it;
}
}
~_signal_base2() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_connected_slots.begin();
const_iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalDisconnect(this);
delete *it;
++it;
}
m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
}
void disconnect(HasSlots<mt_policy>* pclass) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == pclass) {
delete *it;
m_connected_slots.erase(iterator(it++));
pclass->signalDisconnect(this);
continue;
}
++it;
}
}
void slot_disconnect(HasSlots<mt_policy>* pslot) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
iterator itNext = it;
++itNext;
if ((*it)->getdest() == pslot) {
delete *it;
m_connected_slots.erase(it);
}
it = itNext;
}
}
protected:
connections_list m_connected_slots;
};
template<class arg1_type, class arg2_type, class arg3_type, class mt_policy>
class _signal_base3 : public _signal_base<mt_policy> {
public:
typedef std::list<_connection_base3<arg1_type, arg2_type, arg3_type, mt_policy> *>
connections_list;
typedef typename connections_list::const_iterator const_iterator;
typedef typename connections_list::iterator iterator;
_signal_base3() {
;
}
_signal_base3(const _signal_base3<arg1_type, arg2_type, arg3_type, mt_policy>& s)
: _signal_base<mt_policy>(s) {
lock_block<mt_policy> lock(this);
const_iterator it = s.m_connected_slots.begin();
const_iterator itEnd = s.m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalConnect(this);
m_connected_slots.push_back((*it)->clone());
++it;
}
}
void slot_duplicate(const HasSlots<mt_policy>* oldtarget, HasSlots<mt_policy>* newtarget) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == oldtarget) {
m_connected_slots.push_back((*it)->duplicate(newtarget));
}
++it;
}
}
~_signal_base3() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_connected_slots.begin();
const_iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalDisconnect(this);
delete *it;
++it;
}
m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
}
void disconnect(HasSlots<mt_policy>* pclass) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == pclass) {
delete *it;
m_connected_slots.erase(iterator(it++));
pclass->signalDisconnect(this);
continue;
}
++it;
}
}
void slot_disconnect(HasSlots<mt_policy>* pslot) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
iterator itNext = it;
++itNext;
if ((*it)->getdest() == pslot) {
delete *it;
m_connected_slots.erase(it);
}
it = itNext;
}
}
protected:
connections_list m_connected_slots;
};
template<class arg1_type, class arg2_type, class arg3_type, class arg4_type, class mt_policy>
class _signal_base4 : public _signal_base<mt_policy> {
public:
typedef std::list < _connection_base4 < arg1_type, arg2_type, arg3_type,
arg4_type, mt_policy > * > connections_list;
typedef typename connections_list::const_iterator const_iterator;
typedef typename connections_list::iterator iterator;
_signal_base4() {
;
}
_signal_base4(const _signal_base4<arg1_type, arg2_type, arg3_type, arg4_type, mt_policy>& s)
: _signal_base<mt_policy>(s) {
lock_block<mt_policy> lock(this);
const_iterator it = s.m_connected_slots.begin();
const_iterator itEnd = s.m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalConnect(this);
m_connected_slots.push_back((*it)->clone());
++it;
}
}
void slot_duplicate(const HasSlots<mt_policy>* oldtarget, HasSlots<mt_policy>* newtarget) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == oldtarget) {
m_connected_slots.push_back((*it)->duplicate(newtarget));
}
++it;
}
}
~_signal_base4() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_connected_slots.begin();
const_iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalDisconnect(this);
delete *it;
++it;
}
m_connected_slots.erase(m_connected_slots.begin(), m_connected_slots.end());
}
void disconnect(HasSlots<mt_policy>* pclass) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == pclass) {
delete *it;
this->m_connected_slots.erase(iterator(it++));
pclass->signalDisconnect(this);
continue;
}
++it;
}
}
void slot_disconnect(HasSlots<mt_policy>* pslot) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
iterator itNext = it;
++itNext;
if ((*it)->getdest() == pslot) {
delete *it;
m_connected_slots.erase(it);
}
it = itNext;
}
}
protected:
connections_list m_connected_slots;
};
template < class arg1_type, class arg2_type, class arg3_type, class arg4_type,
class arg5_type, class mt_policy >
class _signal_base5 : public _signal_base<mt_policy> {
public:
typedef std::list < _connection_base5 < arg1_type, arg2_type, arg3_type,
arg4_type, arg5_type, mt_policy > * > connections_list;
typedef typename connections_list::const_iterator const_iterator;
typedef typename connections_list::iterator iterator;
_signal_base5() {
;
}
_signal_base5(const _signal_base5 < arg1_type, arg2_type, arg3_type, arg4_type,
arg5_type, mt_policy > & s)
: _signal_base<mt_policy>(s) {
lock_block<mt_policy> lock(this);
const_iterator it = s.m_connected_slots.begin();
const_iterator itEnd = s.m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalConnect(this);
m_connected_slots.push_back((*it)->clone());
++it;
}
}
void slot_duplicate(const HasSlots<mt_policy>* oldtarget, HasSlots<mt_policy>* newtarget) {
lock_block<mt_policy> lock(this);
iterator it = m_connected_slots.begin();
iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
if ((*it)->getdest() == oldtarget) {
m_connected_slots.push_back((*it)->duplicate(newtarget));
}
++it;
}
}
~_signal_base5() {
disconnectAll();
}
void disconnectAll() {
lock_block<mt_policy> lock(this);
const_iterator it = m_connected_slots.begin();
const_iterator itEnd = m_connected_slots.end();
while (it != itEnd) {
(*it)->getdest()->signalDisconnect(this);