diff options
Diffstat (limited to 'examples/widgets/tutorials/modelview/3_changingmodel')
5 files changed, 238 insertions, 0 deletions
diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/3_changingmodel.desktop b/examples/widgets/tutorials/modelview/3_changingmodel/3_changingmodel.desktop new file mode 100644 index 0000000000..3e053c94b1 --- /dev/null +++ b/examples/widgets/tutorials/modelview/3_changingmodel/3_changingmodel.desktop @@ -0,0 +1,11 @@ +[Desktop Entry] +Encoding=UTF-8 +Version=1.0 +Type=Application +Terminal=false +Name=3 Model View +Exec=/opt/usr/bin/3_changingmodel +Icon=3_changingmodel +X-Window-Icon= +X-HildonDesk-ShowInToolbar=true +X-Osso-Type=application/x-executable diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/3_changingmodel.pro b/examples/widgets/tutorials/modelview/3_changingmodel/3_changingmodel.pro new file mode 100644 index 0000000000..2649168f4d --- /dev/null +++ b/examples/widgets/tutorials/modelview/3_changingmodel/3_changingmodel.pro @@ -0,0 +1,18 @@ +TARGET = mv_changingmodel + +TEMPLATE = app + +SOURCES += main.cpp \ + mymodel.cpp + +HEADERS += mymodel.h + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/tutorials/modelview/3_changingmodel +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS 3_changingmodel.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/tutorials/modelview/3_changingmodel +INSTALLS += target sources + +QT += widgets + +simulator: warning(This example might not fully work on Simulator platform) diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp b/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp new file mode 100644 index 0000000000..0a4f559170 --- /dev/null +++ b/examples/widgets/tutorials/modelview/3_changingmodel/main.cpp @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 <QtWidgets/QApplication> +#include <QtWidgets/QTableView> +#include "mymodel.h" + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + QTableView tableView; + MyModel myModel(0); + tableView.setModel( &myModel ); + tableView.show(); + return a.exec(); +} diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp new file mode 100644 index 0000000000..a446017344 --- /dev/null +++ b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.cpp @@ -0,0 +1,94 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 <QBrush> +#include <QTime> +#include "mymodel.h" + +//! [quoting mymodel_a] +MyModel::MyModel(QObject *parent) + :QAbstractTableModel(parent) +{ +// selectedCell = 0; + timer = new QTimer(this); + timer->setInterval(1000); + connect(timer, SIGNAL(timeout()) , this, SLOT(timerHit())); + timer->start(); +} +//! [quoting mymodel_a] +//------------------------------------------------------- +int MyModel::rowCount(const QModelIndex & /*parent */) const +{ + return 2; +} + +//------------------------------------------------------- +int MyModel::columnCount(const QModelIndex & /*parent */) const +{ + return 3; +} + +//------------------------------------------------------- +//! [quoting mymodel_QVariant ] +QVariant MyModel::data(const QModelIndex &index, int role) const +{ + int row = index.row(); + int col = index.column(); + + if (role == Qt::DisplayRole) + { + if (row == 0 && col == 0) + { + return QTime::currentTime().toString(); + } + } + return QVariant(); +} +//! [quoting mymodel_QVariant ] +//------------------------------------------------------- +//! [quoting mymodel_b ] +void MyModel::timerHit() +{ + //we identify the top left cell + QModelIndex topLeft = createIndex(0,0); + //emit a signal to make the view reread identified data + emit dataChanged(topLeft, topLeft); +} +//! [quoting mymodel_b ] diff --git a/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h new file mode 100644 index 0000000000..5bcf893e34 --- /dev/null +++ b/examples/widgets/tutorials/modelview/3_changingmodel/mymodel.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 MYMODEL_H +#define MYMODEL_H + +#include <QAbstractTableModel> +#include <QTimer> + +class MyModel : public QAbstractTableModel +{ + Q_OBJECT +public: + MyModel(QObject *parent); + int rowCount(const QModelIndex &parent = QModelIndex()) const ; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + QTimer *timer; +private: + int selectedCell; +private slots: + void timerHit(); +}; + +#endif // MYMODEL_H |