Add a platform function to enable setting the touch flags on Windows

This makes it possible for the flags that RegisterTouchWindow takes to be
specified after the window has been created.

Task-number: QTBUG-41433
Change-Id: I166143875ef54ab6a249cffb31d017845a694a01
Reviewed-by: Jørgen Lind <jorgen.lind@theqtcompany.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/src/platformheaders/doc/snippets/qwindowswindowfunctions/main.cpp b/src/platformheaders/doc/snippets/qwindowswindowfunctions/main.cpp
new file mode 100644
index 0000000000..c5f2f37f11
--- /dev/null
+++ b/src/platformheaders/doc/snippets/qwindowswindowfunctions/main.cpp
@@ -0,0 +1,61 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtWidgets>
+#include <QtPlatformHeaders/qwindowswindowfunctions.h>
+
+//! [0]
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    QPushButton topLevelWidget("Hello World!");
+    topLevelWidget.winId(); //have to create the QWindow
+
+    QWindow *tlwWindow = topLevelWidget.windowHandle();
+
+    QWindowsWindowFunctions::setTouchWindowTouchType(tlwWindow, QWindowsWindowFunctions::WantPalmTouch);
+
+    topLevelWidget.show();
+
+    return app.exec();
+}
+//! [0]
+