1 files changed, 112 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/myscrollarea.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/myscrollarea.cpp
new file mode 100644
index 000000000..325f1b317
--- /dev/null
+++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/myscrollarea.cpp
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+from PySide2.QtCore import *
+from PySide2.QtGui import *
+import sys
+
+class MyScrollArea (QAbstractScrollArea):
+    widget = None
+
+    def __init__(widget):
+        self.setWidget(widget);
+
+    def setWidget(w):
+        self.widget = w;
+        self.widget.setParent(viewport());
+        if not self.widget.testAttribute(Qt.WA_Resized):
+            self.widget.resize(widget.sizeHint())
+
+        self.verticalScrollBar().setValue(0)
+        self.verticalScrollBar().setValue(0)
+
+        self.updateArea()
+
+
+    def updateWidgetPosition():
+//! [0]
+        hvalue = self.horizontalScrollBar().value()
+        vvalue = self.verticalScrollBar().value()
+        topLeft = self.viewport().rect().topLeft()
+
+        self.widget.move(topLeft.x() - hvalue, topLeft.y() - vvalue)
+//! [0]
+
+
+    def scrollContentsBy(dx, dy):
+        self.updateWidgetPosition()
+
+    def updateArea():
+//! [1]
+        areaSize = viewport().size()
+        widgetSize = widget.size()
+
+        self.verticalScrollBar().setPageStep(widgetSize.height())
+        self.horizontalScrollBar().setPageStep(widgetSize.width())
+        self.verticalScrollBar().setRange(0, widgetSize.height() - areaSize.height())
+        self.horizontalScrollBar().setRange(0, widgetSize.width() - areaSize.width())
+        self.updateWidgetPosition()
+//! [1]
+
+    def resizeEvent(QResizeEvent):
+        self.updateArea()
+
+app = QApplication(sys.argv)
+pixmap = QPixmap("mypixmap.png")
+label = QLabel()
+label.setPixmap(pixmap)
+area = MyScrollArea(label)
+area.resize(300, 300)
+area.show()
+
+area.setWidget(label)
+
+app.exec_();
+