Rename and update some snippets

* Renaming a few .cpp files into .py
* Replacing the use of SIGNAL() and SLOT()
* Fixing Python syntax
* Removing C++-isms from translated Python code
* Including the snippets from QStackedLayout

Task-number: PYSIDE-691
Fixes: PYSIDE-1309
Change-Id: I431be3d930b2adc36a22118901baa6799581adb2
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

1 files changed, 66 insertions, 0 deletions

diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/widgets-tutorial/template.py b/sources/pyside2/doc/codesnippets/doc/src/snippets/widgets-tutorial/template.py
new file mode 100644
index 000000000..d38829fc7
--- /dev/null
+++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/widgets-tutorial/template.py
@@ -0,0 +1,66 @@
+############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the documentation of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## 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.
+##
+## BSD License Usage
+## Alternatively, 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 The Qt Company Ltd 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."
+##
+## $QT_END_LICENSE$
+##
+############################################################################
+
+//! [main.cpp body]
+import sys
+from PySide2.QtWidgets import QApplication
+
+# Include header files for application components.
+# ...
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    # Set up and show widgets.
+    # ...
+
+    sys.exit(app.exec_())
+}
+//! [main.cpp body]