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author | David Boddie <dboddie@trolltech.com> | 2010-07-07 15:21:52 (GMT) |
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committer | David Boddie <dboddie@trolltech.com> | 2010-07-07 15:21:52 (GMT) |
commit | 466643890b1b9642af01f532dae3b25bbad5b605 (patch) | |
tree | f485e7b504be86ddd7a6a8a3638d212b52f94f29 /examples/tutorials/modelview/7_selections | |
parent | f2187e31de13a6ab8631a9067487dab555f7c2e7 (diff) | |
parent | b7bf2ab2d0aa9e3bf073126f0e15c71e39567fcc (diff) | |
download | Qt-466643890b1b9642af01f532dae3b25bbad5b605.zip Qt-466643890b1b9642af01f532dae3b25bbad5b605.tar.gz Qt-466643890b1b9642af01f532dae3b25bbad5b605.tar.bz2 |
Merge branch '4.7' of ../msculls-modelview-qdoc-enhancement into 4.7
Diffstat (limited to 'examples/tutorials/modelview/7_selections')
4 files changed, 265 insertions, 0 deletions
diff --git a/examples/tutorials/modelview/7_selections/7_selections.pro b/examples/tutorials/modelview/7_selections/7_selections.pro new file mode 100755 index 0000000..671dc24 --- /dev/null +++ b/examples/tutorials/modelview/7_selections/7_selections.pro @@ -0,0 +1,45 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +TARGET = mv_selections +TEMPLATE = app +SOURCES += main.cpp \ + modelview.cpp +HEADERS += modelview.h diff --git a/examples/tutorials/modelview/7_selections/main.cpp b/examples/tutorials/modelview/7_selections/main.cpp new file mode 100755 index 0000000..7be212e --- /dev/null +++ b/examples/tutorials/modelview/7_selections/main.cpp @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui/QApplication> +#include "modelview.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + ModelView w; + w.show(); + return a.exec(); +} diff --git a/examples/tutorials/modelview/7_selections/modelview.cpp b/examples/tutorials/modelview/7_selections/modelview.cpp new file mode 100755 index 0000000..2ef980d --- /dev/null +++ b/examples/tutorials/modelview/7_selections/modelview.cpp @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [quoting modelview_a] +#include <QTreeView> +#include <QStandardItemModel> +#include <QItemSelectionModel> +#include "modelview.h" + +ModelView::ModelView(QWidget *parent) + : QMainWindow(parent) +{ + treeView = new QTreeView(this); + setCentralWidget(treeView); + standardModel = new QStandardItemModel ; + QStandardItem *rootNode = standardModel->invisibleRootItem(); + + + //defining a couple of items + QStandardItem *americaItem = new QStandardItem("America"); + QStandardItem *mexicoItem = new QStandardItem("Canada"); + QStandardItem *usaItem = new QStandardItem("USA"); + QStandardItem *bostonItem = new QStandardItem("Boston"); + QStandardItem *europeItem = new QStandardItem("Europe"); + QStandardItem *italyItem = new QStandardItem("Italy"); + QStandardItem *romeItem = new QStandardItem("Rome"); + QStandardItem *veronaItem = new QStandardItem("Verona"); + + //building up the hierarchy + rootNode-> appendRow(americaItem); + rootNode-> appendRow(europeItem); + americaItem-> appendRow(mexicoItem); + americaItem-> appendRow(usaItem); + usaItem-> appendRow(bostonItem); + europeItem-> appendRow(italyItem); + italyItem-> appendRow(romeItem); + italyItem-> appendRow(veronaItem); + + //register the model + treeView->setModel( standardModel ); + treeView->expandAll(); + + //selection changes shall trigger a slot + QItemSelectionModel *selectionModel= treeView->selectionModel(); + connect(selectionModel, SIGNAL(selectionChanged ( const QItemSelection & , const QItemSelection & )), + this, SLOT(selectionChangedSlot(const QItemSelection & , const QItemSelection & ))); +} +//! [quoting modelview_a] + +//------------------------------------------------------------------------------------ + +//! [quoting modelview_b] +void ModelView::selectionChangedSlot(const QItemSelection & /*newSelection*/, const QItemSelection & /*oldSelection*/) +{ + const QModelIndex index = treeView->selectionModel()->currentIndex(); + QString selectedText = index.data(Qt::DisplayRole).toString(); + int hierarchyLevel=1; + QModelIndex seekRoot = index; + while(seekRoot.parent() != QModelIndex() ) + { + seekRoot = seekRoot.parent(); + hierarchyLevel++; + } + QString showString = QString("%1, Level %2").arg(selectedText) + .arg(hierarchyLevel); + setWindowTitle(showString); +} +//! [quoting modelview_b] + + diff --git a/examples/tutorials/modelview/7_selections/modelview.h b/examples/tutorials/modelview/7_selections/modelview.h new file mode 100755 index 0000000..5229ac3 --- /dev/null +++ b/examples/tutorials/modelview/7_selections/modelview.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MODELVIEW_H +#define MODELVIEW_H + +#include <QtGui/QMainWindow> + +class QTreeView; //forward declaration +class QStandardItemModel; +class QItemSelection; + + +class ModelView : public QMainWindow +{ + Q_OBJECT +private: + QTreeView *treeView; + QStandardItemModel *standardModel; +private slots: + void selectionChangedSlot(const QItemSelection & newSelection, const QItemSelection & oldSelection); +public: + ModelView(QWidget *parent = 0); +}; + +#endif // MODELVIEW_H |