Doc: Mark a \snippet entry with a .pro file

This enables excluding the snippet from
the documentation in some cases. In addition,
moved the literal code blocks to a separate
snippet file.

Change-Id: I892bce6f249f67c06b5285244e0bf4f5701e7272
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

2 files changed, 61 insertions, 6 deletions

diff --git a/src/x11extras/doc/snippets/code/doc_src_qtx11extras.cpp b/src/x11extras/doc/snippets/code/doc_src_qtx11extras.cpp
new file mode 100644
index 0000000..bf6d801
--- /dev/null
+++ b/src/x11extras/doc/snippets/code/doc_src_qtx11extras.cpp
@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+#include <QX11Info>
+//! [0]
+
+//! [1]
+QT += x11extras
+//! [1]
diff --git a/src/x11extras/doc/src/qtx11extras-module.qdoc b/src/x11extras/doc/src/qtx11extras-module.qdoc
index 8eaecab..cb7c7bd 100644
--- a/src/x11extras/doc/src/qtx11extras-module.qdoc
+++ b/src/x11extras/doc/src/qtx11extras-module.qdoc
@@ -36,14 +36,12 @@
     To include the definitions of the module's classes, use the
     following directive:
 
-    \code
-    #include <QX11Info>
-    \endcode
+    \snippet code/doc_src_qtx11extras.cpp 0
 
+    \if !defined(qtforpython)
     To link against the module, add this line to your \l {qmake Manual}{qmake} \c
     .pro file:
 
-    \code
-    QT += x11extras
-    \endcode
+    \snippet code/doc_src_qtx11extras.cpp 1
+    \endif
 */