Long live Qt 4.5!

1 files changed, 41 insertions, 0 deletions

diff --git a/doc/src/snippets/code/doc_src_qsignalspy.qdoc b/doc/src/snippets/code/doc_src_qsignalspy.qdoc
new file mode 100644
index 0000000..d6b65dc
--- /dev/null
+++ b/doc/src/snippets/code/doc_src_qsignalspy.qdoc
@@ -0,0 +1,41 @@
+//! [0]
+QCheckBox *box = ...;
+QSignalSpy spy(box, SIGNAL(clicked(bool)));
+
+// do something that triggers the signal
+box->animateClick();
+
+QCOMPARE(spy.count(), 1); // make sure the signal was emitted exactly one time
+QList<QVariant> arguments = spy.takeFirst(); // take the first signal
+
+QVERIFY(arguments.at(0).toBool() == true); // verify the first argument
+//! [0]
+
+
+//! [1]
+QSignalSpy spy(myCustomObject, SIGNAL(mySignal(int, QString, double)));
+
+myCustomObject->doSomething(); // trigger emission of the signal
+
+QList<QVariant> arguments = spy.takeFirst();
+QVERIFY(arguments.at(0).type() == QVariant::Int);
+QVERIFY(arguments.at(1).type() == QVariant::QString);
+QVERIFY(arguments.at(2).type() == QVariant::double);
+//! [1]
+
+
+//! [2]
+qRegisterMetaType<QModelIndex>("QModelIndex");
+QSignalSpy spy(&model, SIGNAL(whatever(QModelIndex)));
+//! [2]
+
+
+//! [3]
+// get the first argument from the first received signal:
+QModelIndex result = qvariant_cast<QModelIndex>(spy.at(0).at(0));
+//! [3]
+
+
+//! [4]
+QSignalSpy spy(myPushButton, SIGNAL(clicked(bool)));
+//! [4]