Implement support for WA_MacNoClickThrough

This is done by adding a QWindowPrivate::allowsClickThrough() function,
so this could easily be adapted later on if desired for other
platforms.

Fixes: QTBUG-41126
Change-Id: I1157e5e7e7667ff11d1a5d21b3ce8c4b13202272
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>

2 files changed, 52 insertions, 0 deletions

diff --git a/tests/manual/cocoa/noclickthrough/main.cpp b/tests/manual/cocoa/noclickthrough/main.cpp
new file mode 100644
index 0000000000..eee7729999
--- /dev/null
+++ b/tests/manual/cocoa/noclickthrough/main.cpp
@@ -0,0 +1,48 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2019 The Qt Company Ltd.
+ ** Contact: https://www.qt.io/licensing/
+ **
+ ** This file is part of the test suite of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+ ** Commercial License Usage
+ ** Licensees holding valid commercial Qt licenses may use this file in
+ ** accordance with the commercial license agreement provided with the
+ ** Software or, alternatively, in accordance with the terms contained in
+ ** a written agreement between you and The Qt Company. For licensing terms
+ ** and conditions see https://www.qt.io/terms-conditions. For further
+ ** information use the contact form at https://www.qt.io/contact-us.
+ **
+ ** GNU General Public License Usage
+ ** Alternatively, this file may be used under the terms of the GNU
+ ** General Public License version 3 as published by the Free Software
+ ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+ ** included in the packaging of this file. Please review the following
+ ** information to ensure the GNU General Public License requirements will
+ ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+#include <QtWidgets>
+
+int main(int argc, char **argv)
+{
+    QApplication a(argc, argv);
+    QWidget w;
+    QVBoxLayout *vbox = new QVBoxLayout;
+    QLabel *label = new QLabel("Make the window inactive, but visible.\n"
+                               "Then click on the Two item.\n"
+                               "The item should not be selected, but the window should be active.");
+    vbox->addWidget(label);
+    QListWidget *list = new QListWidget;
+    list->addItems(QStringList() << "One" << "Two" << "Three");
+    list->selectionModel()->select(list->model()->index(0, 0), QItemSelectionModel::Select);
+    list->viewport()->setAttribute(Qt::WA_MacNoClickThrough);
+    vbox->addWidget(list);
+    w.setLayout(vbox);
+    w.show();
+    return a.exec();
+}
diff --git a/tests/manual/cocoa/noclickthrough/noclickthrough.pro b/tests/manual/cocoa/noclickthrough/noclickthrough.pro
new file mode 100644
index 0000000000..a8e30cb146
--- /dev/null
+++ b/tests/manual/cocoa/noclickthrough/noclickthrough.pro
@@ -0,0 +1,4 @@
+QT += widgets
+TEMPLATE = app
+TARGET = noclickthrough
+SOURCES += main.cpp