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don't call change-only listeners at first trigger event

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mfranz 2009-03-07 17:57:20 +00:00 committed by Tim Moore
parent b125315e50
commit b57f623520
2 changed files with 13 additions and 10 deletions
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19
src/Scripting/NasalSys.cxx
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@ -975,12 +975,12 @@ naRef FGNasalSys::setListener(naContext c, int argc, naRef* args)
return naNil();
}
int type = argc > 3 && naIsNum(args[3]) ? (int)args[3].num : 1;
int init = argc > 2 && naIsNum(args[2]) ? int(args[2].num) : 0;
int type = argc > 3 && naIsNum(args[3]) ? int(args[3].num) : 1;
FGNasalListener *nl = new FGNasalListener(node, code, this,
gcSave(code), _listenerId, type);
gcSave(code), _listenerId, init, type);
bool initial = argc > 2 && naTrue(args[2]);
node->addChangeListener(nl, initial);
node->addChangeListener(nl, init);
_listener[_listenerId] = nl;
return naNum(_listenerId++);
@ -1009,19 +1009,22 @@ naRef FGNasalSys::removeListener(naContext c, int argc, naRef* args)
// FGNasalListener class.
FGNasalListener::FGNasalListener(SGPropertyNode *node, naRef code,
FGNasalSys* nasal, int key, int id, int type) :
FGNasalSys* nasal, int key, int id,
int init, int type) :
_node(node),
_code(code),
_gcKey(key),
_id(id),
_nas(nasal),
_init(init),
_type(type),
_active(0),
_dead(false),
_first_call(true),
_last_int(0L),
_last_float(0.0)
{
if(_type == 0 && !_init)
changed(node);
}
FGNasalListener::~FGNasalListener()
@ -1047,10 +1050,10 @@ void FGNasalListener::call(SGPropertyNode* which, naRef mode)
void FGNasalListener::valueChanged(SGPropertyNode* node)
{
if(_type < 2 && node != _node) return; // skip child events
if(_type > 0 || changed(_node) || _first_call)
if(_type > 0 || changed(_node) || _init)
call(node, naNum(0));
_first_call = false;
_init = 0;
}
void FGNasalListener::childAdded(SGPropertyNode*, SGPropertyNode* child)

4
src/Scripting/NasalSys.hxx
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@ -133,7 +133,7 @@ private:
class FGNasalListener : public SGPropertyChangeListener {
public:
FGNasalListener(SGPropertyNode* node, naRef code, FGNasalSys* nasal,
int key, int id, int type);
int key, int id, int init, int type);
virtual ~FGNasalListener();
virtual void valueChanged(SGPropertyNode* node);
@ -150,10 +150,10 @@ private:
int _gcKey;
int _id;
FGNasalSys* _nas;
int _init;
int _type;
unsigned int _active;
bool _dead;
bool _first_call;
long _last_int;
double _last_float;
string _last_string;