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Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/simplemodel-use/main.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/simplemodel-use/main.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/simplemodel-use/main.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/simplemodel-use/main.cpp new file mode 100644 index 000000000..dfc9669ea --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/simplemodel-use/main.cpp @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + main.cpp + + A simple example of how to access items from an existing model. +*/ + +#include <QtWidgets> + +/*! + Create a default directory model and, using the index-based interface to + the model and some QLabel widgets, populate the window's layout with the + names of objects in the directory. + + Note that we only want to read the filenames in the highest level of the + directory, so we supply a default (invalid) QModelIndex to the model in + order to indicate that we want top-level items. +*/ + +def main(): + app = QApplication(sys.argc, sys.argv) + + window = QWidget() + layout = QVBoxLayout(window) + title = QLabel("Some items from the directory model", window) + title.setBackgroundRole(QPalette.Base) + title.setMargin(8) + layout.addWidget(title) + +//! [0] + model = QFileSystemModel() + parentIndex = model.index(QDir.currentPath()) + numRows = model.rowCount(parentIndex) +//! [0] + +//! [1] + for row in range(numRows): + index = model.index(row, 0, parentIndex) +//! [1] + +//! [2] + text = model.data(index, Qt.DisplayRole) + // Display the text in a widget. +//! [2] + + label = QLabel(text, window) + layout.addWidget(label) +//! [3] +//! [3] + + window.setWindowTitle("A simple model example") + window.show() + return app.exec_() +} |