Qt 4.8
qdeclarativenotifier.cpp
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41 
42 #include "private/qdeclarativenotifier_p.h"
43 #include "private/qdeclarativeproperty_p.h"
44 
46 
48 {
50 
51  QDeclarativeNotifierEndpoint **oldDisconnected = n->disconnected;
52  n->disconnected = &endpoint;
53 
54  if (n->next)
55  emitNotify(n->next);
56 
57  if (endpoint) {
58  void *args[] = { 0 };
59 
61  endpoint->targetMethod, args);
62 
63  if (endpoint)
64  endpoint->asNotifier()->disconnected = oldDisconnected;
65  }
66 
67  if (oldDisconnected) *oldDisconnected = endpoint;
68 }
69 
70 void QDeclarativeNotifierEndpoint::connect(QObject *source, int sourceSignal)
71 {
72  Signal *s = toSignal();
73 
74  if (s->source == source && s->sourceSignal == sourceSignal) {
75  refCount++;
76  return;
77  }
78 
79  disconnect();
80 
81  QDeclarativePropertyPrivate::connect(source, sourceSignal, target, targetMethod);
82 
83  s->source = source;
84  s->sourceSignal = sourceSignal;
85  refCount++;
86 }
87 
89 {
90  other.disconnect();
91 
92  other.target = target;
93  other.targetMethod = targetMethod;
94 
95  if (!isConnected())
96  return;
97 
98  if (SignalType == type) {
99  Signal *other_s = other.toSignal();
100  Signal *s = asSignal();
101 
102  other_s->source = s->source;
103  other_s->sourceSignal = s->sourceSignal;
104  s->source = 0;
105  } else if(NotifierType == type) {
106  Notifier *other_n = other.toNotifier();
107  Notifier *n = asNotifier();
108 
109  other_n->notifier = n->notifier;
110  other_n->disconnected = n->disconnected;
111  if (other_n->disconnected) *other_n->disconnected = &other;
112 
113  if (n->next) {
114  other_n->next = n->next;
115  n->next->asNotifier()->prev = &other_n->next;
116  }
117  other_n->prev = n->prev;
118  *other_n->prev = &other;
119 
120  n->prev = 0;
121  n->next = 0;
122  n->disconnected = 0;
123  n->notifier = 0;
124  }
125 }
126 
127 
129 
void copyAndClear(QDeclarativeNotifierEndpoint &other)
int type
Definition: qmetatype.cpp:239
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
static int metacall(QObject *, Call, int, void **)
static bool connect(QObject *sender, int signal_index, const QObject *receiver, int method_index, int type=0, int *types=0)
Connect sender signal_index to receiver method_index with the specified type and types.
QDeclarativeNotifierEndpoint ** disconnected
void connect(QObject *source, int sourceSignal)
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static void emitNotify(QDeclarativeNotifierEndpoint *)
QDeclarativeNotifierEndpoint ** prev