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#include <qshared.h>
#include "opimstate.h"
/*
* for one int this does not make
* much sense but never the less
* we will do it for the future
*/
struct OPimState::Data : public QShared {
Data() : QShared(),state(Undefined) {
}
int state;
};
OPimState::OPimState( int state ) {
data = new Data;
data->state = state;
}
OPimState::OPimState( const OPimState& st) :
data( st.data ) {
/* ref up */
data->ref();
}
OPimState::~OPimState() {
if ( data->deref() ) {
delete data ;
data = 0;
}
}
bool OPimState::operator==( const OPimState& st) {
if ( data->state == st.data->state ) return true;
return false;
}
OPimState &OPimState::operator=( const OPimState& st) {
st.data->ref();
deref();
data = st.data;
return *this;
}
void OPimState::setState( int st) {
copyInternally();
data->state = st;
}
int OPimState::state()const {
return data->state;
}
void OPimState::deref() {
if ( data->deref() ) {
delete data;
data = 0l;
}
}
void OPimState::copyInternally() {
/* we need to change it */
if ( data->count != 1 ) {
data->deref();
Data* d2 = new Data;
d2->state = data->state;
data = d2;
}
}
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