diff options
Diffstat (limited to 'examples/widgets/itemviews/spinboxdelegate')
5 files changed, 282 insertions, 0 deletions
diff --git a/examples/widgets/itemviews/spinboxdelegate/delegate.cpp b/examples/widgets/itemviews/spinboxdelegate/delegate.cpp new file mode 100644 index 0000000000..2967b6ae38 --- /dev/null +++ b/examples/widgets/itemviews/spinboxdelegate/delegate.cpp @@ -0,0 +1,102 @@ +/**************************************************************************** +** +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + delegate.cpp + + A delegate that allows the user to change integer values from the model + using a spin box widget. +*/ + +#include <QtWidgets> + +#include "delegate.h" + + +//! [0] +SpinBoxDelegate::SpinBoxDelegate(QObject *parent) + : QItemDelegate(parent) +{ +} +//! [0] + +//! [1] +QWidget *SpinBoxDelegate::createEditor(QWidget *parent, + const QStyleOptionViewItem &/* option */, + const QModelIndex &/* index */) const +{ + QSpinBox *editor = new QSpinBox(parent); + editor->setMinimum(0); + editor->setMaximum(100); + + return editor; +} +//! [1] + +//! [2] +void SpinBoxDelegate::setEditorData(QWidget *editor, + const QModelIndex &index) const +{ + int value = index.model()->data(index, Qt::EditRole).toInt(); + + QSpinBox *spinBox = static_cast<QSpinBox*>(editor); + spinBox->setValue(value); +} +//! [2] + +//! [3] +void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, + const QModelIndex &index) const +{ + QSpinBox *spinBox = static_cast<QSpinBox*>(editor); + spinBox->interpretText(); + int value = spinBox->value(); + + model->setData(index, value, Qt::EditRole); +} +//! [3] + +//! [4] +void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, + const QStyleOptionViewItem &option, const QModelIndex &/* index */) const +{ + editor->setGeometry(option.rect); +} +//! [4] diff --git a/examples/widgets/itemviews/spinboxdelegate/delegate.h b/examples/widgets/itemviews/spinboxdelegate/delegate.h new file mode 100644 index 0000000000..19d647043d --- /dev/null +++ b/examples/widgets/itemviews/spinboxdelegate/delegate.h @@ -0,0 +1,70 @@ +/**************************************************************************** +** +** 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 DELEGATE_H +#define DELEGATE_H + +#include <QItemDelegate> +#include <QModelIndex> +#include <QObject> +#include <QSize> +#include <QSpinBox> + +//! [0] +class SpinBoxDelegate : public QItemDelegate +{ + Q_OBJECT + +public: + SpinBoxDelegate(QObject *parent = 0); + + QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, + const QModelIndex &index) const; + + void setEditorData(QWidget *editor, const QModelIndex &index) const; + void setModelData(QWidget *editor, QAbstractItemModel *model, + const QModelIndex &index) const; + + void updateEditorGeometry(QWidget *editor, + const QStyleOptionViewItem &option, const QModelIndex &index) const; +}; +//! [0] + +#endif diff --git a/examples/widgets/itemviews/spinboxdelegate/main.cpp b/examples/widgets/itemviews/spinboxdelegate/main.cpp new file mode 100644 index 0000000000..6fdffad3ac --- /dev/null +++ b/examples/widgets/itemviews/spinboxdelegate/main.cpp @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + main.cpp + + A simple example that shows how a view can use a custom delegate to edit + data obtained from a model. +*/ + +#include <QApplication> +#include <QHeaderView> +#include <QItemSelectionModel> +#include <QStandardItemModel> +#include <QTableView> + +#include "delegate.h" + +//! [0] +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + QStandardItemModel model(4, 2); + QTableView tableView; + tableView.setModel(&model); + + SpinBoxDelegate delegate; + tableView.setItemDelegate(&delegate); +//! [0] + + tableView.horizontalHeader()->setStretchLastSection(true); + +//! [1] + for (int row = 0; row < 4; ++row) { + for (int column = 0; column < 2; ++column) { + QModelIndex index = model.index(row, column, QModelIndex()); + model.setData(index, QVariant((row+1) * (column+1))); + } +//! [1] //! [2] + } +//! [2] + +//! [3] + tableView.setWindowTitle(QObject::tr("Spin Box Delegate")); + tableView.show(); + return app.exec(); +} +//! [3] diff --git a/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.desktop b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.desktop new file mode 100644 index 0000000000..347e408e96 --- /dev/null +++ b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.desktop @@ -0,0 +1,11 @@ +[Desktop Entry] +Encoding=UTF-8 +Version=1.0 +Type=Application +Terminal=false +Name=Spin Box Delegate +Exec=/opt/usr/bin/spinboxdelegate +Icon=spinboxdelegate +X-Window-Icon= +X-HildonDesk-ShowInToolbar=true +X-Osso-Type=application/x-executable diff --git a/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.pro b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.pro new file mode 100644 index 0000000000..f6416ff936 --- /dev/null +++ b/examples/widgets/itemviews/spinboxdelegate/spinboxdelegate.pro @@ -0,0 +1,13 @@ +HEADERS = delegate.h +SOURCES = delegate.cpp \ + main.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/itemviews/spinboxdelegate +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/itemviews/spinboxdelegate +INSTALLS += target sources + +QT += widgets + +simulator: warning(This example might not fully work on Simulator platform) |