Fix signal handlers for signals with default arguments.

For cloned signals, connect to the index of the original. This was a
regression caused by the switch to QQmlNotifierEndpoint for signal
handlers. This change also makes parameters with default arguments
available from QML, while previously they were unavailable.

Change-Id: I1feb3412c3e9b0f2a5d6644c404c56d53c5544ac
Reviewed-by: Martin Jones <martin.jones@nokia.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmllanguage/data/signalWithDefaultArg.qml b/tests/auto/qml/qqmllanguage/data/signalWithDefaultArg.qml
new file mode 100644
index 0000000000..e9f86fe6ca
--- /dev/null
+++ b/tests/auto/qml/qqmllanguage/data/signalWithDefaultArg.qml
@@ -0,0 +1,23 @@
+import Test 1.0
+import QtQuick 2.0
+
+MyQmlObject {
+    property real signalCount: 0
+    property real signalArg: 0
+
+    signal noArgSignal
+    signal argSignal(real arg)
+
+    function emitNoArgSignal() { noArgSignal(); }
+    function emitArgSignal() { argSignal(22); }
+
+    onSignalWithDefaultArg: {
+        signalArg = parameter
+        signalCount++
+    }
+
+    Component.onCompleted: {
+        noArgSignal.connect(signalWithDefaultArg)
+        argSignal.connect(signalWithDefaultArg)
+    }
+}