Included QSignalTransition constructor to support Signal objects.

Created unit test.

Fixes bug #416

Reviewer: Hugo Parente Lima <hugo.pl@gmail.com>
          Luciano Wolf <luciano.wolf@openbossa.org>

tests/QtGui/CMakeLists.txt

@@ -12,6 +12,7 @@ PYSIDE_TEST(bug_363.py)
 PYSIDE_TEST(bug_367.py)
 PYSIDE_TEST(bug_389.py)
 PYSIDE_TEST(bug_400.py)
+PYSIDE_TEST(bug_416.py)
 PYSIDE_TEST(customproxywidget_test.py)
 PYSIDE_TEST(deepcopy_test.py)
 PYSIDE_TEST(float_to_int_implicit_conversion_test.py)

tests/QtGui/bug_416.py

@@ -0,0 +1,43 @@
+#!/usr/bin/python
+
+import unittest
+from helper import TimedQApplication
+from PySide.QtCore import QSignalTransition, QState, Qt, QStateMachine
+from PySide.QtGui import QCheckBox
+
+class CheckedTransition(QSignalTransition):
+    def __init__(self, check):
+        QSignalTransition.__init__(self, check.stateChanged[int])
+        self.eventTested = False
+
+    def eventTest(self, event):
+        self.eventTested = True
+        if not QSignalTransition.eventTest(self, event):
+            return False
+        return event.arguments()[0] == Qt.Checked
+
+class TestBug(TimedQApplication):
+    def testCase(self):
+        check = QCheckBox()
+        check.setTristate(True)
+
+        s1 = QState()
+        s2 = QState()
+
+        t1 = CheckedTransition(check)
+        t1.setTargetState(s2)
+        s1.addTransition(t1)
+
+        machine = QStateMachine()
+        machine.addState(s1)
+        machine.addState(s2)
+        machine.setInitialState(s1)
+        machine.start()
+
+        check.stateChanged[int].emit(1)
+        check.show()
+        self.app.exec_()
+        self.assert_(t1.eventTested)
+
+if __name__ == '__main__':
+    unittest.main()