QShortcut: add pmf ctor overloads

Provide pointer to member function overloads for the QShortcut ctor. The
ctor with two functors but no contexts is not provided since it creates
ambiguousness.

[ChangeLog][QtWidgets][QShortcut] QShortcut ctor has now pmf overloads

Fixes: QTBUG-77816
Change-Id: Ic9a759cde5150dbb94c2fd351b88ee8e447e0852
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp b/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp
index 82ab9c9c3b..aa687cfc3c 100644
--- a/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp
+++ b/tests/auto/widgets/kernel/qshortcut/tst_qshortcut.cpp
@@ -103,6 +103,7 @@ public slots:
 
 private slots:
     void cleanup();
+    void pmf_connect();
     void number_data();
     void number();
     void text_data();
@@ -203,6 +204,45 @@ void tst_QShortcut::cleanup()
     QVERIFY(QApplication::topLevelWidgets().size() <= 1);  // The data driven tests keep a widget around
 }
 
+void tst_QShortcut::pmf_connect()
+{
+    class MyObject : public QObject
+    {
+    public:
+        using QObject::QObject;
+        void onActivated() { ++activated; }
+        void onAmbiguous() { ++ambiguous; }
+        void reset() { activated = 0; ambiguous = 0; }
+        int activated = 0;
+        int ambiguous = 0;
+    } myObject;
+    QWidget parent;
+
+    auto runCheck = [&myObject](QShortcut *sc, int activated, int ambiguous)
+    {
+        myObject.reset();
+        sc->activated();
+        sc->activatedAmbiguously();
+        delete sc;
+        QCOMPARE(myObject.activated, activated);
+        QCOMPARE(myObject.ambiguous, ambiguous);
+    };
+
+    runCheck(new QShortcut(QKeySequence(), &parent,
+                           [&myObject]() { ++myObject.activated; }),
+             1, 0);
+    runCheck(new QShortcut(QKeySequence(), &parent,
+                           &myObject, &MyObject::onActivated),
+             1, 0);
+    runCheck(new QShortcut(QKeySequence(), &parent,
+                           &myObject, &MyObject::onActivated, &MyObject::onAmbiguous),
+             1, 1);
+    runCheck(new QShortcut(QKeySequence(), &parent, &myObject,
+                           &MyObject::onActivated, &myObject, &MyObject::onAmbiguous),
+             1, 1);
+}
+
+
 Qt::KeyboardModifiers tst_QShortcut::toButtons( int key )
 {
     Qt::KeyboardModifiers result = Qt::NoModifier;