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Connection guard, only valid signal connections will be added

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This commit is contained in:
Klaus Basan
2018-07-16 15:49:59 +02:00
parent 3bfb76c1e6
commit a7947d3c87
2 changed files with 14 additions and 6 deletions
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14
src/blackmisc/connectionguard.cpp
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@@ -17,14 +17,22 @@ namespace BlackMisc
m_connections.append(connection);
}
void CConnectionGuard::append(const QMetaObject::Connection &connection)
bool CConnectionGuard::append(const QMetaObject::Connection &connection)
{
if (!connection) { return false; }
m_connections.append(connection);
return true;
}
void CConnectionGuard::append(const QList<QMetaObject::Connection> &connections)
bool CConnectionGuard::append(const QList<QMetaObject::Connection> &connections)
{
m_connections.append(connections);
int c = 0;
for (const QMetaObject::Connection &connection : connections)
{
if (!connection) { continue; }
if (this->append(connection)) { c++; }
}
return c > 0;
}
CConnectionGuard::~CConnectionGuard()

6
src/blackmisc/connectionguard.h
View File

@@ -50,10 +50,10 @@ namespace BlackMisc
~CConnectionGuard();
//! Add connection
void append(const QMetaObject::Connection &connection);
bool append(const QMetaObject::Connection &connection);
//! Add connections
void append(const QList<QMetaObject::Connection> &connections);
bool append(const QList<QMetaObject::Connection> &connections);
//! Disconnect all
int disconnectAll();
@@ -61,6 +61,6 @@ namespace BlackMisc
private:
QList<QMetaObject::Connection> m_connections;
};
} // BlackMisc
} // ns
#endif