94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the documentation of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://www.qtsoftware.com/contact.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*
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main.cpp
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A simple example of how to access items from an existing model.
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*/
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#include <QtGui>
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/*!
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Create a default directory model and, using the index-based interface to
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the model and some QLabel widgets, populate the window's layout with the
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names of objects in the directory.
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Note that we only want to read the filenames in the highest level of the
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directory, so we supply a default (invalid) QModelIndex to the model in
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order to indicate that we want top-level items.
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*/
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def main():
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app = QApplication(sys.argc, sys.argv)
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window = QWidget()
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layout = QVBoxLayout(window)
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title = QLabel("Some items from the directory model", window)
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title.setBackgroundRole(QPalette.Base)
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title.setMargin(8)
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layout.addWidget(title)
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//! [0]
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model = QFileSystemModel()
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parentIndex = model.index(QDir.currentPath())
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numRows = model.rowCount(parentIndex)
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//! [0]
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//! [1]
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for row in range(numRows):
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index = model.index(row, 0, parentIndex)
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//! [1]
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//! [2]
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text = model.data(index, Qt.DisplayRole)
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// Display the text in a widget.
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//! [2]
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label = QLabel(text, window)
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layout.addWidget(label)
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//! [3]
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//! [3]
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window.setWindowTitle("A simple model example")
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window.show()
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return app.exec_()
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}
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