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Diffstat (limited to 'doc/codesnippets/doc/src/snippets/qlistview-dnd')
6 files changed, 445 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/qlistview-dnd/main.cpp b/doc/codesnippets/doc/src/snippets/qlistview-dnd/main.cpp new file mode 100644 index 000000000..af1e7d5ac --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qlistview-dnd/main.cpp @@ -0,0 +1,52 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "mainwindow.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + MainWindow *window = new MainWindow; + window->show(); + return app.exec(); +} diff --git a/doc/codesnippets/doc/src/snippets/qlistview-dnd/mainwindow.cpp b/doc/codesnippets/doc/src/snippets/qlistview-dnd/mainwindow.cpp new file mode 100644 index 000000000..41ec16073 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qlistview-dnd/mainwindow.cpp @@ -0,0 +1,84 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "mainwindow.h" +#include "model.h" + +MainWindow::MainWindow() +{ + QMenu *fileMenu = new QMenu(tr("&File")); + + QAction *quitAction = fileMenu->addAction(tr("E&xit")); + quitAction->setShortcut(tr("Ctrl+Q")); + + menuBar()->addMenu(fileMenu); + +// For convenient quoting: +//! [0] +QListView *listView = new QListView(this); +listView->setSelectionMode(QAbstractItemView::ExtendedSelection); +listView->setDragEnabled(true); +listView->setAcceptDrops(true); +listView->setDropIndicatorShown(true); +//! [0] + + this->listView = listView; + + connect(quitAction, SIGNAL(triggered()), this, SLOT(close())); + + setupListItems(); + + setCentralWidget(listView); + setWindowTitle(tr("List View")); +} + +void MainWindow::setupListItems() +{ + QStringList items; + items << tr("Oak") << tr("Fir") << tr("Pine") << tr("Birch") << tr("Hazel") + << tr("Redwood") << tr("Sycamore") << tr("Chestnut") + << tr("Mahogany"); + + DragDropListModel *model = new DragDropListModel(items, this); + listView->setModel(model); +} diff --git a/doc/codesnippets/doc/src/snippets/qlistview-dnd/mainwindow.h b/doc/codesnippets/doc/src/snippets/qlistview-dnd/mainwindow.h new file mode 100644 index 000000000..5a7773ef3 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qlistview-dnd/mainwindow.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WINDOW_H +#define WINDOW_H + +#include <QMainWindow> + +class QListView; + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(); + +private: + void setupListItems(); + + QListView *listView; +}; + +#endif diff --git a/doc/codesnippets/doc/src/snippets/qlistview-dnd/model.cpp b/doc/codesnippets/doc/src/snippets/qlistview-dnd/model.cpp new file mode 100644 index 000000000..1b9130958 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qlistview-dnd/model.cpp @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of an example program for Qt. +** EDITIONS: NOLIMITS +** +****************************************************************************/ + +/* + model.cpp + + A simple model that uses a QStringList as its data source. +*/ + +#include <QtGui> + +#include "model.h" + +DragDropListModel::DragDropListModel(const QStringList &strings, + QObject *parent) + : QStringListModel(strings, parent) +{ +} + +//! [0] +bool DragDropListModel::dropMimeData(const QMimeData *data, + Qt::DropAction action, int row, int column, const QModelIndex &parent) +{ + if (action == Qt::IgnoreAction) + return true; + + if (!data->hasFormat("application/vnd.text.list")) + return false; + + if (column > 0) +//! [0] //! [1] + return false; +//! [1] + +//! [2] + int beginRow; + + if (row != -1) + beginRow = row; +//! [2] //! [3] + else if (parent.isValid()) + beginRow = parent.row(); +//! [3] //! [4] + else + beginRow = rowCount(QModelIndex()); +//! [4] + +//! [5] + QByteArray encodedData = data->data("application/vnd.text.list"); + QDataStream stream(&encodedData, QIODevice::ReadOnly); + QStringList newItems; + int rows = 0; + + while (!stream.atEnd()) { + QString text; + stream >> text; + newItems << text; + ++rows; + } +//! [5] + +//! [6] + insertRows(beginRow, rows, QModelIndex()); + foreach (QString text, newItems) { + QModelIndex idx = index(beginRow, 0, QModelIndex()); + setData(idx, text); + beginRow++; + } + + return true; +} +//! [6] + +//! [7] +Qt::ItemFlags DragDropListModel::flags(const QModelIndex &index) const +{ + Qt::ItemFlags defaultFlags = QStringListModel::flags(index); + + if (index.isValid()) + return Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled | defaultFlags; + else + return Qt::ItemIsDropEnabled | defaultFlags; +} +//! [7] + +//! [8] +QMimeData *DragDropListModel::mimeData(const QModelIndexList &indexes) const +{ + QMimeData *mimeData = new QMimeData(); + QByteArray encodedData; + + QDataStream stream(&encodedData, QIODevice::WriteOnly); + + foreach (QModelIndex index, indexes) { + if (index.isValid()) { + QString text = data(index, Qt::DisplayRole).toString(); + stream << text; + } + } + + mimeData->setData("application/vnd.text.list", encodedData); + return mimeData; +} +//! [8] + +//! [9] +QStringList DragDropListModel::mimeTypes() const +{ + QStringList types; + types << "application/vnd.text.list"; + return types; +} +//! [9] + +//! [10] +Qt::DropActions DragDropListModel::supportedDropActions() const +{ + return Qt::CopyAction | Qt::MoveAction; +} +//! [10] diff --git a/doc/codesnippets/doc/src/snippets/qlistview-dnd/model.h b/doc/codesnippets/doc/src/snippets/qlistview-dnd/model.h new file mode 100644 index 000000000..2ecf447f2 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qlistview-dnd/model.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial Usage +** Licensees holding valid Qt Commercial licenses may use this file in +** accordance with the Qt Commercial License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Nokia. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of an example program for Qt. +** EDITIONS: NOLIMITS +** +****************************************************************************/ + +#ifndef MODEL_H +#define MODEL_H + +#include <QObject> +#include <QStringListModel> + +class DragDropListModel : public QStringListModel +{ + Q_OBJECT + +public: + DragDropListModel(const QStringList &strings, QObject *parent = 0); + + Qt::ItemFlags flags(const QModelIndex &index) const; + + bool dropMimeData(const QMimeData *data, Qt::DropAction action, + int row, int column, const QModelIndex &parent); + QMimeData *mimeData(const QModelIndexList &indexes) const; + QStringList mimeTypes() const; + Qt::DropActions supportedDropActions() const; +}; + +#endif diff --git a/doc/codesnippets/doc/src/snippets/qlistview-dnd/qlistview-dnd.pro b/doc/codesnippets/doc/src/snippets/qlistview-dnd/qlistview-dnd.pro new file mode 100644 index 000000000..71fa273a6 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/qlistview-dnd/qlistview-dnd.pro @@ -0,0 +1,5 @@ +SOURCES = main.cpp \ + mainwindow.cpp \ + model.cpp +HEADERS = mainwindow.h \ + model.h |