diff options
Diffstat (limited to 'src/widgets/doc/snippets')
48 files changed, 3629 insertions, 0 deletions
diff --git a/src/widgets/doc/snippets/code/doc_src_model-view-programming.cpp b/src/widgets/doc/snippets/code/doc_src_model-view-programming.cpp new file mode 100644 index 0000000000..ca9aa606f7 --- /dev/null +++ b/src/widgets/doc/snippets/code/doc_src_model-view-programming.cpp @@ -0,0 +1,76 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +QAbstractItemModel *model = index.model(); +//! [0] + + +//! [1] +QModelIndex index = model->index(row, column, ...); +//! [1] + + +//! [2] +QModelIndex indexA = model->index(0, 0, QModelIndex()); +QModelIndex indexB = model->index(1, 1, QModelIndex()); +QModelIndex indexC = model->index(2, 1, QModelIndex()); +//! [2] + + +//! [3] +QModelIndex index = model->index(row, column, parent); +//! [3] + + +//! [4] +QModelIndex indexA = model->index(0, 0, QModelIndex()); +QModelIndex indexC = model->index(2, 1, QModelIndex()); +//! [4] + + +//! [5] +QModelIndex indexB = model->index(1, 0, indexA); +//! [5] + + +//! [6] +QVariant value = model->data(index, role); +//! [6] diff --git a/src/widgets/doc/snippets/code/doc_src_qt4-mainwindow.cpp b/src/widgets/doc/snippets/code/doc_src_qt4-mainwindow.cpp new file mode 100644 index 0000000000..ecbb5f5220 --- /dev/null +++ b/src/widgets/doc/snippets/code/doc_src_qt4-mainwindow.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) +{ +//! [0] + + +//! [1] +fileToolbar->setAllowedAreas(Qt::TopToolBarArea | Qt::BottomToolBarArea); +addToolBar(Qt::TopToolBarArea, fileToolbar); +//! [1] + + +//! [2] +setCorner(Qt::TopLeftCorner, Qt::LeftDockWidgetArea); +setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea); +setCorner(Qt::TopRightCorner, Qt::RightDockWidgetArea); +setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea); +//! [2] + + +//! [3] +QWidget *centralWidget = new QWidget(this); +setCentralWidget(centralWidget); +//! [3] + + +//! [4] +QPopupMenu *fileMenu = new QPopupMenu(this); +openAction->addTo(fileMenu); +saveAction->addTo(fileMenu); +... +menuBar()->insertItem(tr("&File"), fileMenu); +//! [4] + + +//! [5] +QMenu *fileMenu = menuBar()->addMenu(tr("&File")); +fileMenu->addAction(openAction); +fileMenu->addAction(saveAction); +... +//! [5] + + +//! [6] +QToolBar *fileTools = new QToolBar(this, "file toolbar"); +openAction->addTo(fileTools); +saveAction->addTo(fileTools); +... +//! [6] + + +//! [7] +QToolBar *fileTools = addToolBar(tr("File Tool Bar")); +fileTools->addAction(openAction); +fileTools->addAction(saveAction); +... +//! [7] + + +//! [8] +QDockWidget *dockWidget = new QDockWidget(this); +mainWin->moveDockWidget(dockWidget, Qt::DockLeft); +//! [8] + + +//! [9] +QDockWidget *dockWidget = new QDockWidget(mainWindow); +mainWindow->addDockWidget(Qt::LeftDockWidgetArea, dockWidget); +//! [9] diff --git a/src/widgets/doc/snippets/dockwidgets/mainwindow.cpp b/src/widgets/doc/snippets/dockwidgets/mainwindow.cpp new file mode 100644 index 0000000000..882af70b64 --- /dev/null +++ b/src/widgets/doc/snippets/dockwidgets/mainwindow.cpp @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +#include "mainwindow.h" + +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) +{ + setWindowTitle("Dock Widgets"); + + setupDockWindow(); + setupContents(); + setupMenus(); + + textBrowser = new QTextBrowser(this); + + connect(headingList, SIGNAL(itemClicked(QListWidgetItem *)), + this, SLOT(updateText(QListWidgetItem *))); + + updateText(headingList->item(0)); + headingList->setCurrentRow(0); + setCentralWidget(textBrowser); +} + +void MainWindow::setupContents() +{ + QFile titlesFile(":/Resources/titles.txt"); + titlesFile.open(QFile::ReadOnly); + int chapter = 0; + + do { + QString line = titlesFile.readLine().trimmed(); + QStringList parts = line.split("\t", QString::SkipEmptyParts); + if (parts.size() != 2) + break; + + QString chapterTitle = parts[0]; + QString fileName = parts[1]; + + QFile chapterFile(fileName); + + chapterFile.open(QFile::ReadOnly); + QListWidgetItem *item = new QListWidgetItem(chapterTitle, headingList); + item->setData(Qt::DisplayRole, chapterTitle); + item->setData(Qt::UserRole, chapterFile.readAll()); + item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable); + chapterFile.close(); + + chapter++; + } while (titlesFile.isOpen()); + + titlesFile.close(); +} + +void MainWindow::setupDockWindow() +{ +//! [0] + contentsWindow = new QDockWidget(tr("Table of Contents"), this); + contentsWindow->setAllowedAreas(Qt::LeftDockWidgetArea + | Qt::RightDockWidgetArea); + addDockWidget(Qt::LeftDockWidgetArea, contentsWindow); + + headingList = new QListWidget(contentsWindow); + contentsWindow->setWidget(headingList); +//! [0] +} + +void MainWindow::setupMenus() +{ + QAction *exitAct = new QAction(tr("E&xit"), this); + exitAct->setShortcut(tr("Ctrl+Q")); + exitAct->setStatusTip(tr("Exit the application")); + connect(exitAct, SIGNAL(triggered()), qApp, SLOT(closeAllWindows())); + + QMenu *fileMenu = menuBar()->addMenu(tr("&File")); + fileMenu->addAction(exitAct); +} + +void MainWindow::updateText(QListWidgetItem *item) +{ + QString text = item->data(Qt::UserRole).toString(); + textBrowser->setHtml(text); +} diff --git a/src/widgets/doc/snippets/itemselection/itemselection.pro b/src/widgets/doc/snippets/itemselection/itemselection.pro new file mode 100644 index 0000000000..b1126bfe73 --- /dev/null +++ b/src/widgets/doc/snippets/itemselection/itemselection.pro @@ -0,0 +1,3 @@ +HEADERS = model.h +SOURCES = main.cpp \ + model.cpp diff --git a/src/widgets/doc/snippets/itemselection/main.cpp b/src/widgets/doc/snippets/itemselection/main.cpp new file mode 100644 index 0000000000..f39fb68b32 --- /dev/null +++ b/src/widgets/doc/snippets/itemselection/main.cpp @@ -0,0 +1,115 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 selections can be used directly on a model. + It shows the result of some selections made using a table view. +*/ + +#include <QApplication> +#include <QItemSelection> +#include <QItemSelectionModel> +#include <QTableView> + +#include "model.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + +//! [0] + TableModel *model = new TableModel(8, 4, &app); + + QTableView *table = new QTableView(0); + table->setModel(model); + + QItemSelectionModel *selectionModel = table->selectionModel(); +//! [0] //! [1] + QModelIndex topLeft; + QModelIndex bottomRight; + + topLeft = model->index(0, 0, QModelIndex()); + bottomRight = model->index(5, 2, QModelIndex()); +//! [1] + +//! [2] + QItemSelection selection(topLeft, bottomRight); + selectionModel->select(selection, QItemSelectionModel::Select); +//! [2] + +//! [3] + QItemSelection toggleSelection; + + topLeft = model->index(2, 1, QModelIndex()); + bottomRight = model->index(7, 3, QModelIndex()); + toggleSelection.select(topLeft, bottomRight); + + selectionModel->select(toggleSelection, QItemSelectionModel::Toggle); +//! [3] + +//! [4] + QItemSelection columnSelection; + + topLeft = model->index(0, 1, QModelIndex()); + bottomRight = model->index(0, 2, QModelIndex()); + + columnSelection.select(topLeft, bottomRight); + + selectionModel->select(columnSelection, + QItemSelectionModel::Select | QItemSelectionModel::Columns); + + QItemSelection rowSelection; + + topLeft = model->index(0, 0, QModelIndex()); + bottomRight = model->index(1, 0, QModelIndex()); + + rowSelection.select(topLeft, bottomRight); + + selectionModel->select(rowSelection, + QItemSelectionModel::Select | QItemSelectionModel::Rows); +//! [4] + + table->setWindowTitle("Selected items in a table model"); + table->show(); + table->resize(460, 280); + return app.exec(); +} diff --git a/src/widgets/doc/snippets/itemselection/model.cpp b/src/widgets/doc/snippets/itemselection/model.cpp new file mode 100644 index 0000000000..6c9c5bad82 --- /dev/null +++ b/src/widgets/doc/snippets/itemselection/model.cpp @@ -0,0 +1,238 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + model.cpp + + Provides a table model for use in various examples. +*/ + +#include <QtGui> + +#include "model.h" + +/*! + Constructs a table model with at least one row and one column. +*/ + +TableModel::TableModel(int rows, int columns, QObject *parent) + : QAbstractTableModel(parent) +{ + QStringList newList; + + for (int column = 0; column < qMax(1, columns); ++column) { + newList.append(""); + } + + for (int row = 0; row < qMax(1, rows); ++row) { + rowList.append(newList); + } +} + + +/*! + Returns the number of items in the row list as the number of rows + in the model. +*/ + +int TableModel::rowCount(const QModelIndex &/*parent*/) const +{ + return rowList.size(); +} + +/*! + Returns the number of items in the first list item as the number of + columns in the model. All rows should have the same number of columns. +*/ + +int TableModel::columnCount(const QModelIndex &/*parent*/) const +{ + return rowList[0].size(); +} + +/*! + Returns an appropriate value for the requested data. + If the view requests an invalid index, an invalid variant is returned. + Any valid index that corresponds to a string in the list causes that + string to be returned for the display role; otherwise an invalid variant + is returned. +*/ + +QVariant TableModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (role == Qt::DisplayRole) + return rowList[index.row()][index.column()]; + else + return QVariant(); +} + +/*! + Returns the appropriate header string depending on the orientation of + the header and the section. If anything other than the display role is + requested, we return an invalid variant. +*/ + +QVariant TableModel::headerData(int section, Qt::Orientation orientation, + int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) + return QString("Column %1").arg(section); + else + return QString("Row %1").arg(section); +} + +/*! + Returns an appropriate value for the item's flags. Valid items are + enabled, selectable, and editable. +*/ + +Qt::ItemFlags TableModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::ItemIsEnabled; + + return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable; +} + +/*! + Changes an item in the model, but only if the following conditions + are met: + + * The index supplied is valid. + * The role associated with editing text is specified. + + The dataChanged() signal is emitted if the item is changed. +*/ + +bool TableModel::setData(const QModelIndex &index, + const QVariant &value, int role) +{ + if (!index.isValid() || role != Qt::EditRole) + return false; + + rowList[index.row()][index.column()] = value.toString(); + emit dataChanged(index, index); + return true; +} + +/*! + Inserts a number of rows into the model at the specified position. +*/ + +bool TableModel::insertRows(int position, int rows, const QModelIndex &parent) +{ + int columns = columnCount(); + beginInsertRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + QStringList items; + for (int column = 0; column < columns; ++column) + items.append(""); + rowList.insert(position, items); + } + + endInsertRows(); + return true; +} + +/*! + Inserts a number of columns into the model at the specified position. + Each entry in the list is extended in turn with the required number of + empty strings. +*/ + +bool TableModel::insertColumns(int position, int columns, + const QModelIndex &parent) +{ + int rows = rowCount(); + beginInsertColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = position; column < columns; ++column) { + rowList[row].insert(position, ""); + } + } + + endInsertColumns(); + return true; +} + +/*! + Removes a number of rows from the model at the specified position. +*/ + +bool TableModel::removeRows(int position, int rows, const QModelIndex &parent) +{ + beginRemoveRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + rowList.removeAt(position); + } + + endRemoveRows(); + return true; +} + +/*! + Removes a number of columns from the model at the specified position. + Each row is shortened by the number of columns specified. +*/ + +bool TableModel::removeColumns(int position, int columns, + const QModelIndex &parent) +{ + int rows = rowCount(); + beginRemoveColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = 0; column < columns; ++column) { + rowList[row].removeAt(position); + } + } + + endRemoveColumns(); + return true; +} diff --git a/src/widgets/doc/snippets/itemselection/model.h b/src/widgets/doc/snippets/itemselection/model.h new file mode 100644 index 0000000000..ef63e45ce0 --- /dev/null +++ b/src/widgets/doc/snippets/itemselection/model.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 MODEL_H +#define MODEL_H + +#include <QAbstractTableModel> +#include <QStringList> +#include <QVariant> + +class TableModel : public QAbstractTableModel +{ + Q_OBJECT + +public: + TableModel(int rows = 1, int columns = 1, QObject *parent = 0); + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role) const; + QVariant headerData(int section, Qt::Orientation orientation, + int role = Qt::DisplayRole) const; + + Qt::ItemFlags flags(const QModelIndex &index) const; + bool setData(const QModelIndex &index, const QVariant &value, + int role = Qt::EditRole); + + bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool insertColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool removeColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + +private: + QList<QStringList> rowList; +}; + +#endif diff --git a/src/widgets/doc/snippets/qlistview-dnd/main.cpp b/src/widgets/doc/snippets/qlistview-dnd/main.cpp new file mode 100644 index 0000000000..56bff2a612 --- /dev/null +++ b/src/widgets/doc/snippets/qlistview-dnd/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +#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/src/widgets/doc/snippets/qlistview-dnd/mainwindow.cpp b/src/widgets/doc/snippets/qlistview-dnd/mainwindow.cpp new file mode 100644 index 0000000000..ff35c5e25d --- /dev/null +++ b/src/widgets/doc/snippets/qlistview-dnd/mainwindow.cpp @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +#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/src/widgets/doc/snippets/qlistview-dnd/mainwindow.h b/src/widgets/doc/snippets/qlistview-dnd/mainwindow.h new file mode 100644 index 0000000000..daac61260e --- /dev/null +++ b/src/widgets/doc/snippets/qlistview-dnd/mainwindow.h @@ -0,0 +1,61 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 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/src/widgets/doc/snippets/qlistview-dnd/model.cpp b/src/widgets/doc/snippets/qlistview-dnd/model.cpp new file mode 100644 index 0000000000..190ac968c0 --- /dev/null +++ b/src/widgets/doc/snippets/qlistview-dnd/model.cpp @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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 (const 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 (const 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/src/widgets/doc/snippets/qlistview-dnd/model.h b/src/widgets/doc/snippets/qlistview-dnd/model.h new file mode 100644 index 0000000000..9d1ff904e1 --- /dev/null +++ b/src/widgets/doc/snippets/qlistview-dnd/model.h @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** 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/src/widgets/doc/snippets/qlistview-dnd/qlistview-dnd.pro b/src/widgets/doc/snippets/qlistview-dnd/qlistview-dnd.pro new file mode 100644 index 0000000000..71fa273a69 --- /dev/null +++ b/src/widgets/doc/snippets/qlistview-dnd/qlistview-dnd.pro @@ -0,0 +1,5 @@ +SOURCES = main.cpp \ + mainwindow.cpp \ + model.cpp +HEADERS = mainwindow.h \ + model.h diff --git a/src/widgets/doc/snippets/qlistwidget-dnd/main.cpp b/src/widgets/doc/snippets/qlistwidget-dnd/main.cpp new file mode 100644 index 0000000000..56bff2a612 --- /dev/null +++ b/src/widgets/doc/snippets/qlistwidget-dnd/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +#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/src/widgets/doc/snippets/qlistwidget-dnd/mainwindow.cpp b/src/widgets/doc/snippets/qlistwidget-dnd/mainwindow.cpp new file mode 100644 index 0000000000..8d93f823f4 --- /dev/null +++ b/src/widgets/doc/snippets/qlistwidget-dnd/mainwindow.cpp @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +#include "mainwindow.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] +QListWidget *listWidget = new QListWidget(this); +listWidget->setSelectionMode(QAbstractItemView::SingleSelection); +listWidget->setDragEnabled(true); +listWidget->viewport()->setAcceptDrops(true); +listWidget->setDropIndicatorShown(true); +//! [0] //! [1] +listWidget->setDragDropMode(QAbstractItemView::InternalMove); +//! [1] + + this->listWidget = listWidget; + + connect(quitAction, SIGNAL(triggered()), this, SLOT(close())); + + setupListItems(); + + setCentralWidget(listWidget); + setWindowTitle(tr("List Widget")); +} + +void MainWindow::setupListItems() +{ + QListWidgetItem *item; + item = new QListWidgetItem(tr("Oak"), listWidget); + item = new QListWidgetItem(tr("Fir"), listWidget); + item = new QListWidgetItem(tr("Pine"), listWidget); + item = new QListWidgetItem(tr("Birch"), listWidget); + item = new QListWidgetItem(tr("Hazel"), listWidget); + item = new QListWidgetItem(tr("Redwood"), listWidget); + item = new QListWidgetItem(tr("Sycamore"), listWidget); + item = new QListWidgetItem(tr("Chestnut"), listWidget); + item = new QListWidgetItem(tr("Mahogany"), listWidget); +} diff --git a/src/widgets/doc/snippets/qlistwidget-dnd/mainwindow.h b/src/widgets/doc/snippets/qlistwidget-dnd/mainwindow.h new file mode 100644 index 0000000000..50cac647d1 --- /dev/null +++ b/src/widgets/doc/snippets/qlistwidget-dnd/mainwindow.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 documentation 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 WINDOW_H +#define WINDOW_H + +#include <QMainWindow> + +class QListWidget; +class QListWidgetItem; + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(); + +private: + void setupListItems(); + + QListWidget *listWidget; +}; + +#endif diff --git a/src/widgets/doc/snippets/qlistwidget-dnd/qlistwidget-dnd.pro b/src/widgets/doc/snippets/qlistwidget-dnd/qlistwidget-dnd.pro new file mode 100644 index 0000000000..12a900a7c6 --- /dev/null +++ b/src/widgets/doc/snippets/qlistwidget-dnd/qlistwidget-dnd.pro @@ -0,0 +1,3 @@ +SOURCES = main.cpp \ + mainwindow.cpp +HEADERS = mainwindow.h diff --git a/src/widgets/doc/snippets/qsortfilterproxymodel/main.cpp b/src/widgets/doc/snippets/qsortfilterproxymodel/main.cpp new file mode 100644 index 0000000000..0d78ae3f10 --- /dev/null +++ b/src/widgets/doc/snippets/qsortfilterproxymodel/main.cpp @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + QObject *parent = &app; + + QStringList numbers; + numbers << "One" << "Two" << "Three" << "Four" << "Five"; + + QAbstractItemModel *stringListModel = new QStringListModel(numbers, parent); + +//! [0] + QSortFilterProxyModel *filterModel = new QSortFilterProxyModel(parent); + filterModel->setSourceModel(stringListModel); +//! [0] + + QWidget *window = new QWidget; + +//! [1] + QListView *filteredView = new QListView; + filteredView->setModel(filterModel); +//! [1] + filteredView->setWindowTitle("Filtered view onto a string list model"); + + QLineEdit *patternEditor = new QLineEdit; + QObject:: + connect(patternEditor, SIGNAL(textChanged(const QString &)), + filterModel, SLOT(setFilterRegExp(const QString &))); + + QVBoxLayout *layout = new QVBoxLayout(window); + layout->addWidget(filteredView); + layout->addWidget(patternEditor); + + window->show(); + return app.exec(); +} diff --git a/src/widgets/doc/snippets/qsortfilterproxymodel/qsortfilterproxymodel.pro b/src/widgets/doc/snippets/qsortfilterproxymodel/qsortfilterproxymodel.pro new file mode 100644 index 0000000000..16181f21cf --- /dev/null +++ b/src/widgets/doc/snippets/qsortfilterproxymodel/qsortfilterproxymodel.pro @@ -0,0 +1 @@ +SOURCES = main.cpp diff --git a/src/widgets/doc/snippets/qtablewidget-using/Images/cubed.png b/src/widgets/doc/snippets/qtablewidget-using/Images/cubed.png Binary files differnew file mode 100644 index 0000000000..2cd9048ca6 --- /dev/null +++ b/src/widgets/doc/snippets/qtablewidget-using/Images/cubed.png diff --git a/src/widgets/doc/snippets/qtablewidget-using/Images/squared.png b/src/widgets/doc/snippets/qtablewidget-using/Images/squared.png Binary files differnew file mode 100644 index 0000000000..bfdf993289 --- /dev/null +++ b/src/widgets/doc/snippets/qtablewidget-using/Images/squared.png diff --git a/src/widgets/doc/snippets/qtablewidget-using/images.qrc b/src/widgets/doc/snippets/qtablewidget-using/images.qrc new file mode 100644 index 0000000000..1d49b52866 --- /dev/null +++ b/src/widgets/doc/snippets/qtablewidget-using/images.qrc @@ -0,0 +1,6 @@ +<!DOCTYPE RCC><RCC version="1.0"> +<qresource> + <file>Images/squared.png</file> + <file>Images/cubed.png</file> +</qresource> +</RCC> diff --git a/src/widgets/doc/snippets/qtablewidget-using/main.cpp b/src/widgets/doc/snippets/qtablewidget-using/main.cpp new file mode 100644 index 0000000000..56bff2a612 --- /dev/null +++ b/src/widgets/doc/snippets/qtablewidget-using/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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> + +#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/src/widgets/doc/snippets/qtablewidget-using/mainwindow.h b/src/widgets/doc/snippets/qtablewidget-using/mainwindow.h new file mode 100644 index 0000000000..5c8c997762 --- /dev/null +++ b/src/widgets/doc/snippets/qtablewidget-using/mainwindow.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 documentation 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 WINDOW_H +#define WINDOW_H + +#include <QMainWindow> + +class QAction; +class QTableWidget; +class QTableWidgetItem; + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(); + +public slots: + void averageItems(); + void sumItems(); + +private: + void setupTableItems(); + + QAction *removeAction; +//! [0] + QTableWidget *tableWidget; +//! [0] +}; + +#endif diff --git a/src/widgets/doc/snippets/qtablewidget-using/qtablewidget-using.pro b/src/widgets/doc/snippets/qtablewidget-using/qtablewidget-using.pro new file mode 100644 index 0000000000..ffe134cbb6 --- /dev/null +++ b/src/widgets/doc/snippets/qtablewidget-using/qtablewidget-using.pro @@ -0,0 +1,4 @@ +SOURCES = main.cpp \ + mainwindow.cpp +HEADERS = mainwindow.h +RESOURCES += images.qrc diff --git a/src/widgets/doc/snippets/reading-selections/main.cpp b/src/widgets/doc/snippets/reading-selections/main.cpp new file mode 100644 index 0000000000..3356ffc8ab --- /dev/null +++ b/src/widgets/doc/snippets/reading-selections/main.cpp @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 selections can be used directly on a model. + It shows the result of some selections made using a table view. +*/ + +#include <QApplication> + +#include "window.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + QMainWindow *window = new MainWindow; + window->show(); + window->resize(640, 480); + return app.exec(); +} diff --git a/src/widgets/doc/snippets/reading-selections/model.cpp b/src/widgets/doc/snippets/reading-selections/model.cpp new file mode 100644 index 0000000000..ca4b9f84dd --- /dev/null +++ b/src/widgets/doc/snippets/reading-selections/model.cpp @@ -0,0 +1,238 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + model.cpp + + Provides a table model for use in various examples. +*/ + +#include <QtGui> + +#include "model.h" + +/*! + Constructs a table model with at least one row and one column. +*/ + +TableModel::TableModel(int rows, int columns, QObject *parent) + : QAbstractTableModel(parent) +{ + QStringList newList; + + for (int column = 0; column < qMax(1, columns); ++column) { + newList.append(""); + } + + for (int row = 0; row < qMax(1, rows); ++row) { + rowList.append(newList); + } +} + + +/*! + Returns the number of items in the row list as the number of rows + in the model. +*/ + +int TableModel::rowCount(const QModelIndex &/*parent*/) const +{ + return rowList.size(); +} + +/*! + Returns the number of items in the first list item as the number of + columns in the model. All rows should have the same number of columns. +*/ + +int TableModel::columnCount(const QModelIndex &/*parent*/) const +{ + return rowList[0].size(); +} + +/*! + Returns an appropriate value for the requested data. + If the view requests an invalid index, an invalid variant is returned. + Any valid index that corresponds to a string in the list causes that + string to be returned for the display role; otherwise an invalid variant + is returned. +*/ + +QVariant TableModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (role == Qt::DisplayRole) + return rowList[index.row()][index.column()]; + else + return QVariant(); +} + +/*! + Returns the appropriate header string depending on the orientation of + the header and the section. If anything other than the display role is + requested, we return an invalid variant. +*/ + +QVariant TableModel::headerData(int section, Qt::Orientation orientation, + int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) + return QString("Column %1").arg(section); + else + return QString("Row %1").arg(section); +} + +/*! + Returns an appropriate value for the item's flags. Valid items are + enabled, selectable, and editable. +*/ + +Qt::ItemFlags TableModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::ItemIsEnabled; + + return Qt::ItemIsEnabled | Qt::ItemIsSelectable; +} + +/*! + Changes an item in the model, but only if the following conditions + are met: + + * The index supplied is valid. + * The role associated with editing text is specified. + + The dataChanged() signal is emitted if the item is changed. +*/ + +bool TableModel::setData(const QModelIndex &index, + const QVariant &value, int role) +{ + if (!index.isValid() || role != Qt::EditRole) + return false; + + rowList[index.row()][index.column()] = value.toString(); + emit dataChanged(index, index); + return true; +} + +/*! + Inserts a number of rows into the model at the specified position. +*/ + +bool TableModel::insertRows(int position, int rows, const QModelIndex &parent) +{ + int columns = columnCount(); + beginInsertRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + QStringList items; + for (int column = 0; column < columns; ++column) + items.append(""); + rowList.insert(position, items); + } + + endInsertRows(); + return true; +} + +/*! + Inserts a number of columns into the model at the specified position. + Each entry in the list is extended in turn with the required number of + empty strings. +*/ + +bool TableModel::insertColumns(int position, int columns, + const QModelIndex &parent) +{ + int rows = rowCount(); + beginInsertColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = position; column < columns; ++column) { + rowList[row].insert(position, ""); + } + } + + endInsertColumns(); + return true; +} + +/*! + Removes a number of rows from the model at the specified position. +*/ + +bool TableModel::removeRows(int position, int rows, const QModelIndex &parent) +{ + beginRemoveRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + rowList.removeAt(position); + } + + endRemoveRows(); + return true; +} + +/*! + Removes a number of columns from the model at the specified position. + Each row is shortened by the number of columns specified. +*/ + +bool TableModel::removeColumns(int position, int columns, + const QModelIndex &parent) +{ + int rows = rowCount(); + beginRemoveColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = 0; column < columns; ++column) { + rowList[row].removeAt(position); + } + } + + endRemoveColumns(); + return true; +} diff --git a/src/widgets/doc/snippets/reading-selections/model.h b/src/widgets/doc/snippets/reading-selections/model.h new file mode 100644 index 0000000000..ef63e45ce0 --- /dev/null +++ b/src/widgets/doc/snippets/reading-selections/model.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 MODEL_H +#define MODEL_H + +#include <QAbstractTableModel> +#include <QStringList> +#include <QVariant> + +class TableModel : public QAbstractTableModel +{ + Q_OBJECT + +public: + TableModel(int rows = 1, int columns = 1, QObject *parent = 0); + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role) const; + QVariant headerData(int section, Qt::Orientation orientation, + int role = Qt::DisplayRole) const; + + Qt::ItemFlags flags(const QModelIndex &index) const; + bool setData(const QModelIndex &index, const QVariant &value, + int role = Qt::EditRole); + + bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool insertColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool removeColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + +private: + QList<QStringList> rowList; +}; + +#endif diff --git a/src/widgets/doc/snippets/reading-selections/reading-selections.pro b/src/widgets/doc/snippets/reading-selections/reading-selections.pro new file mode 100644 index 0000000000..91ebd3e84f --- /dev/null +++ b/src/widgets/doc/snippets/reading-selections/reading-selections.pro @@ -0,0 +1,2 @@ +HEADERS += model.h window.h +SOURCES += main.cpp model.cpp window.cpp diff --git a/src/widgets/doc/snippets/reading-selections/window.cpp b/src/widgets/doc/snippets/reading-selections/window.cpp new file mode 100644 index 0000000000..dd9970374f --- /dev/null +++ b/src/widgets/doc/snippets/reading-selections/window.cpp @@ -0,0 +1,120 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + window.cpp + + A minimal subclass of QTableView with slots to allow the selection model + to be monitored. +*/ + +#include <QAbstractItemModel> +#include <QItemSelection> +#include <QItemSelectionModel> +#include <QMenu> +#include <QMenuBar> +#include <QStatusBar> + +#include "model.h" +#include "window.h" + +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) +{ + setWindowTitle("Selected Items in a Table Model"); + + model = new TableModel(8, 4, this); + + table = new QTableView(this); + table->setModel(model); + + QMenu *actionMenu = new QMenu(tr("&Actions"), this); + QAction *fillAction = actionMenu->addAction(tr("&Fill Selection")); + QAction *clearAction = actionMenu->addAction(tr("&Clear Selection")); + QAction *selectAllAction = actionMenu->addAction(tr("&Select All")); + menuBar()->addMenu(actionMenu); + + connect(fillAction, SIGNAL(triggered()), this, SLOT(fillSelection())); + connect(clearAction, SIGNAL(triggered()), this, SLOT(clearSelection())); + connect(selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll())); + + selectionModel = table->selectionModel(); + + statusBar(); + setCentralWidget(table); +} + +void MainWindow::fillSelection() +{ +//! [0] + QModelIndexList indexes = selectionModel->selectedIndexes(); + QModelIndex index; + + foreach(index, indexes) { + QString text = QString("(%1,%2)").arg(index.row()).arg(index.column()); + model->setData(index, text); + } +//! [0] +} + +void MainWindow::clearSelection() +{ + QModelIndexList indexes = selectionModel->selectedIndexes(); + QModelIndex index; + + foreach(index, indexes) + model->setData(index, ""); +} + +void MainWindow::selectAll() +{ +//! [1] + QModelIndex parent = QModelIndex(); +//! [1] //! [2] + QModelIndex topLeft = model->index(0, 0, parent); + QModelIndex bottomRight = model->index(model->rowCount(parent)-1, + model->columnCount(parent)-1, parent); +//! [2] + +//! [3] + QItemSelection selection(topLeft, bottomRight); + selectionModel->select(selection, QItemSelectionModel::Select); +//! [3] +} diff --git a/src/widgets/doc/snippets/reading-selections/window.h b/src/widgets/doc/snippets/reading-selections/window.h new file mode 100644 index 0000000000..6d2537c22d --- /dev/null +++ b/src/widgets/doc/snippets/reading-selections/window.h @@ -0,0 +1,67 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 WINDOW_H +#define WINDOW_H + +#include <QItemSelection> +#include <QMainWindow> +#include <QAbstractItemModel> +#include <QWidget> +#include <QTableView> + +class MainWindow : public QMainWindow +{ + Q_OBJECT +public: + MainWindow(QWidget *parent = 0); + +private slots: + void fillSelection(); + void clearSelection(); + void selectAll(); + +private: + QAbstractItemModel *model; + QItemSelectionModel *selectionModel; + QTableView *table; +}; + +#endif diff --git a/src/widgets/doc/snippets/sharedtablemodel/main.cpp b/src/widgets/doc/snippets/sharedtablemodel/main.cpp new file mode 100644 index 0000000000..f031a02aca --- /dev/null +++ b/src/widgets/doc/snippets/sharedtablemodel/main.cpp @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 single model can be shared between + multiple views. +*/ + +#include <QApplication> +#include <QHeaderView> +#include <QItemSelectionModel> +#include <QTableView> + +#include "model.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + TableModel *model = new TableModel(4, 2, &app); + +//! [0] + QTableView *firstTableView = new QTableView; + QTableView *secondTableView = new QTableView; +//! [0] + +//! [1] + firstTableView->setModel(model); + secondTableView->setModel(model); +//! [1] + + firstTableView->horizontalHeader()->setModel(model); + + 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(QString("(%1, %2)").arg(row).arg(column))); + } + } + +//! [2] + secondTableView->setSelectionModel(firstTableView->selectionModel()); +//! [2] + + firstTableView->setWindowTitle("First table view"); + secondTableView->setWindowTitle("Second table view"); + firstTableView->show(); + secondTableView->show(); + return app.exec(); +} diff --git a/src/widgets/doc/snippets/sharedtablemodel/model.cpp b/src/widgets/doc/snippets/sharedtablemodel/model.cpp new file mode 100644 index 0000000000..ec56f84adb --- /dev/null +++ b/src/widgets/doc/snippets/sharedtablemodel/model.cpp @@ -0,0 +1,236 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + model.cpp + + Provides a table model for use in various examples. +*/ + +#include <QtGui> + +#include "model.h" + +/*! + Constructs a table model with at least one row and one column. +*/ + +TableModel::TableModel(int rows, int columns, QObject *parent) + : QAbstractTableModel(parent) +{ + QStringList newList; + + for (int column = 0; column < qMax(1, columns); ++column) { + newList.append(""); + } + + for (int row = 0; row < qMax(1, rows); ++row) { + rowList.append(newList); + } +} + + +/*! + Returns the number of items in the row list as the number of rows + in the model. +*/ + +int TableModel::rowCount(const QModelIndex &/*parent*/) const +{ + return rowList.size(); +} + +/*! + Returns the number of items in the first list item as the number of + columns in the model. All rows should have the same number of columns. +*/ + +int TableModel::columnCount(const QModelIndex &/*parent*/) const +{ + return rowList[0].size(); +} + +/*! + Returns an appropriate value for the requested data. + If the view requests an invalid index, an invalid variant is returned. + Any valid index that corresponds to a string in the list causes that + string to be returned for the display role; otherwise an invalid variant + is returned. +*/ + +QVariant TableModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (role == Qt::DisplayRole) + return rowList[index.row()][index.column()]; + else + return QVariant(); +} + +/*! + Returns the appropriate header string depending on the orientation of + the header and the section. If anything other than the display role is + requested, we return an invalid variant. +*/ + +QVariant TableModel::headerData(int section, Qt::Orientation orientation, + int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) + return QString("Column %1").arg(section); + else + return QString("Row %1").arg(section); +} + +/*! + Returns an appropriate value for the item's flags. Valid items are + enabled, selectable, and editable. +*/ + +Qt::ItemFlags TableModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::ItemIsEnabled; + + return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable; +} + +/*! + Changes an item in the model, but only if the following conditions + are met: + + * The index supplied is valid. + * The role associated with editing text is specified. + + The dataChanged() signal is emitted if the item is changed. +*/ + +bool TableModel::setData(const QModelIndex &index, + const QVariant &value, int role) +{ + if (!index.isValid() || role != Qt::EditRole) + return false; + + rowList[index.row()][index.column()] = value.toString(); + emit dataChanged(index, index); + return true; +} + +/*! + Inserts a number of rows into the model at the specified position. +*/ + +bool TableModel::insertRows(int position, int rows, const QModelIndex &parent) +{ + int columns = columnCount(); + beginInsertRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + QStringList items; + for (int column = 0; column < columns; ++column) + items.append(""); + rowList.insert(position, items); + } + + endInsertRows(); + return true; +} + +/*! + Inserts a number of columns into the model at the specified position. + Each entry in the list is extended in turn with the required number of + empty strings. +*/ + +bool TableModel::insertColumns(int position, int columns, const QModelIndex &parent) +{ + int rows = rowCount(); + beginInsertColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = position; column < columns; ++column) { + rowList[row].insert(position, ""); + } + } + + endInsertColumns(); + return true; +} + +/*! + Removes a number of rows from the model at the specified position. +*/ + +bool TableModel::removeRows(int position, int rows, const QModelIndex &parent) +{ + beginRemoveRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + rowList.removeAt(position); + } + + endRemoveRows(); + return true; +} + +/*! + Removes a number of columns from the model at the specified position. + Each row is shortened by the number of columns specified. +*/ + +bool TableModel::removeColumns(int position, int columns, const QModelIndex &parent) +{ + int rows = rowCount(); + beginRemoveColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = 0; column < columns; ++column) { + rowList[row].removeAt(position); + } + } + + endRemoveColumns(); + return true; +} diff --git a/src/widgets/doc/snippets/sharedtablemodel/model.h b/src/widgets/doc/snippets/sharedtablemodel/model.h new file mode 100644 index 0000000000..ef63e45ce0 --- /dev/null +++ b/src/widgets/doc/snippets/sharedtablemodel/model.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 MODEL_H +#define MODEL_H + +#include <QAbstractTableModel> +#include <QStringList> +#include <QVariant> + +class TableModel : public QAbstractTableModel +{ + Q_OBJECT + +public: + TableModel(int rows = 1, int columns = 1, QObject *parent = 0); + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role) const; + QVariant headerData(int section, Qt::Orientation orientation, + int role = Qt::DisplayRole) const; + + Qt::ItemFlags flags(const QModelIndex &index) const; + bool setData(const QModelIndex &index, const QVariant &value, + int role = Qt::EditRole); + + bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool insertColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool removeColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + +private: + QList<QStringList> rowList; +}; + +#endif diff --git a/src/widgets/doc/snippets/sharedtablemodel/sharedtablemodel.pro b/src/widgets/doc/snippets/sharedtablemodel/sharedtablemodel.pro new file mode 100644 index 0000000000..10671e6e25 --- /dev/null +++ b/src/widgets/doc/snippets/sharedtablemodel/sharedtablemodel.pro @@ -0,0 +1,2 @@ +HEADERS += model.h +SOURCES += main.cpp model.cpp diff --git a/src/widgets/doc/snippets/simplemodel-use/main.cpp b/src/widgets/doc/snippets/simplemodel-use/main.cpp new file mode 100644 index 0000000000..d8188b14e6 --- /dev/null +++ b/src/widgets/doc/snippets/simplemodel-use/main.cpp @@ -0,0 +1,95 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 of how to access items from an existing model. +*/ + +#include <QtGui> + +/*! + Create a default directory model and, using the index-based interface to + the model and some QLabel widgets, populate the window's layout with the + names of objects in the directory. + + Note that we only want to read the filenames in the highest level of the + directory, so we supply a default (invalid) QModelIndex to the model in + order to indicate that we want top-level items. +*/ + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + QWidget *window = new QWidget; + QVBoxLayout *layout = new QVBoxLayout(window); + QLabel *title = new QLabel("Some items from the directory model", window); + title->setBackgroundRole(QPalette::Base); + title->setMargin(8); + layout->addWidget(title); + +//! [0] + QFileSystemModel *model = new QFileSystemModel; + QModelIndex parentIndex = model->index(QDir::currentPath()); + int numRows = model->rowCount(parentIndex); +//! [0] + +//! [1] + for (int row = 0; row < numRows; ++row) { + QModelIndex index = model->index(row, 0, parentIndex); +//! [1] + +//! [2] + QString text = model->data(index, Qt::DisplayRole).toString(); + // Display the text in a widget. +//! [2] + + QLabel *label = new QLabel(text, window); + layout->addWidget(label); +//! [3] + } +//! [3] + + window->setWindowTitle("A simple model example"); + window->show(); + return app.exec(); +} diff --git a/src/widgets/doc/snippets/simplemodel-use/simplemodel-use.pro b/src/widgets/doc/snippets/simplemodel-use/simplemodel-use.pro new file mode 100644 index 0000000000..28dcadcbfa --- /dev/null +++ b/src/widgets/doc/snippets/simplemodel-use/simplemodel-use.pro @@ -0,0 +1 @@ +SOURCES += main.cpp diff --git a/src/widgets/doc/snippets/stringlistmodel/main.cpp b/src/widgets/doc/snippets/stringlistmodel/main.cpp new file mode 100644 index 0000000000..d4f0efdc22 --- /dev/null +++ b/src/widgets/doc/snippets/stringlistmodel/main.cpp @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + The main function for the string list model example. This creates and + populates a model with values from a string list then displays the + contents of the model using a QListView widget. +*/ + +#include <QAbstractItemModel> +#include <QApplication> +#include <QListView> + +#include "model.h" + +//! [0] +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + +// Unindented for quoting purposes: +//! [1] +QStringList numbers; +numbers << "One" << "Two" << "Three" << "Four" << "Five"; + +QAbstractItemModel *model = new StringListModel(numbers); +//! [0] //! [1] //! [2] //! [3] +QListView *view = new QListView; +//! [2] +view->setWindowTitle("View onto a string list model"); +//! [4] +view->setModel(model); +//! [3] //! [4] + + model->insertRows(5, 7, QModelIndex()); + + for (int row = 5; row < 12; ++row) { + QModelIndex index = model->index(row, 0, QModelIndex()); + model->setData(index, QString::number(row+1)); + } + +//! [5] + view->show(); + return app.exec(); +} +//! [5] diff --git a/src/widgets/doc/snippets/stringlistmodel/model.cpp b/src/widgets/doc/snippets/stringlistmodel/model.cpp new file mode 100644 index 0000000000..6795345d36 --- /dev/null +++ b/src/widgets/doc/snippets/stringlistmodel/model.cpp @@ -0,0 +1,211 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + model.cpp + + A simple model that uses a QStringList as its data source. +*/ + +#include "model.h" + +/*! + Returns the number of items in the string list as the number of rows + in the model. +*/ + +//! [0] +int StringListModel::rowCount(const QModelIndex &parent) const +{ + return stringList.count(); +} +//! [0] + + +#ifdef 0 +// This represents a read-only version of data(), an early stage in the +// development of the example leading to an editable StringListModel. + +/*! + Returns an appropriate value for the requested data. + If the view requests an invalid index, an invalid variant is returned. + Any valid index that corresponds to a string in the list causes that + string to be returned. +*/ + +//! [1-data-read-only] +QVariant StringListModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (index.row() >= stringList.size()) + return QVariant(); + + if (role == Qt::DisplayRole) + return stringList.at(index.row()); + else + return QVariant(); +} +//! [1-data-read-only] +#endif + + +/*! + Returns an appropriate value for the requested data. + If the view requests an invalid index, an invalid variant is returned. + Any valid index that corresponds to a string in the list causes that + string to be returned. +*/ + +//! [1] +QVariant StringListModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (index.row() >= stringList.size()) + return QVariant(); + + if (role == Qt::DisplayRole || role == Qt::EditRole) + return stringList.at(index.row()); + else + return QVariant(); +} +//! [1] + +/*! + Returns the appropriate header string depending on the orientation of + the header and the section. If anything other than the display role is + requested, we return an invalid variant. +*/ + +//! [2] +QVariant StringListModel::headerData(int section, Qt::Orientation orientation, + int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) + return QString("Column %1").arg(section); + else + return QString("Row %1").arg(section); +} +//! [2] + +/*! + Returns an appropriate value for the item's flags. Valid items are + enabled, selectable, and editable. +*/ + +//! [3] +Qt::ItemFlags StringListModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::ItemIsEnabled; + + return QAbstractItemModel::flags(index) | Qt::ItemIsEditable; +} +//! [3] + +/*! + Changes an item in the string list, but only if the following conditions + are met: + + * The index supplied is valid. + * The index corresponds to an item to be shown in a view. + * The role associated with editing text is specified. + + The dataChanged() signal is emitted if the item is changed. +*/ + +//! [4] +bool StringListModel::setData(const QModelIndex &index, + const QVariant &value, int role) +{ + if (index.isValid() && role == Qt::EditRole) { + + stringList.replace(index.row(), value.toString()); + emit dataChanged(index, index); + return true; + } +//! [4] //! [5] + return false; +} +//! [5] + +/*! + Inserts a number of rows into the model at the specified position. +*/ + +//! [6] +bool StringListModel::insertRows(int position, int rows, const QModelIndex &parent) +{ + beginInsertRows(QModelIndex(), position, position+rows-1); + + for (int row = 0; row < rows; ++row) { + stringList.insert(position, ""); + } + + endInsertRows(); + return true; +//! [6] //! [7] +} +//! [7] + +/*! + Removes a number of rows from the model at the specified position. +*/ + +//! [8] +bool StringListModel::removeRows(int position, int rows, const QModelIndex &parent) +{ + beginRemoveRows(QModelIndex(), position, position+rows-1); + + for (int row = 0; row < rows; ++row) { + stringList.removeAt(position); + } + + endRemoveRows(); + return true; +//! [8] //! [9] +} +//! [9] diff --git a/src/widgets/doc/snippets/stringlistmodel/model.h b/src/widgets/doc/snippets/stringlistmodel/model.h new file mode 100644 index 0000000000..1dceccb8a8 --- /dev/null +++ b/src/widgets/doc/snippets/stringlistmodel/model.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 MODEL_H +#define MODEL_H + +#include <QAbstractListModel> +#include <QObject> +#include <QStringList> + +//! [0] +class StringListModel : public QAbstractListModel +{ + Q_OBJECT + +public: + StringListModel(const QStringList &strings, QObject *parent = 0) + : QAbstractListModel(parent), stringList(strings) {} + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role) const; + QVariant headerData(int section, Qt::Orientation orientation, +//! [0] //! [1] + int role = Qt::DisplayRole) const; +//! [1] + +//! [2] + Qt::ItemFlags flags(const QModelIndex &index) const; + bool setData(const QModelIndex &index, const QVariant &value, +//! [2] //! [3] + int role = Qt::EditRole); +//! [3] + +//! [4] + bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex()); + bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex()); +//! [4] + +//! [5] +private: + QStringList stringList; +}; +//! [5] + +#endif diff --git a/src/widgets/doc/snippets/stringlistmodel/stringlistmodel.pro b/src/widgets/doc/snippets/stringlistmodel/stringlistmodel.pro new file mode 100644 index 0000000000..b1126bfe73 --- /dev/null +++ b/src/widgets/doc/snippets/stringlistmodel/stringlistmodel.pro @@ -0,0 +1,3 @@ +HEADERS = model.h +SOURCES = main.cpp \ + model.cpp diff --git a/src/widgets/doc/snippets/updating-selections/main.cpp b/src/widgets/doc/snippets/updating-selections/main.cpp new file mode 100644 index 0000000000..3356ffc8ab --- /dev/null +++ b/src/widgets/doc/snippets/updating-selections/main.cpp @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 selections can be used directly on a model. + It shows the result of some selections made using a table view. +*/ + +#include <QApplication> + +#include "window.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + QMainWindow *window = new MainWindow; + window->show(); + window->resize(640, 480); + return app.exec(); +} diff --git a/src/widgets/doc/snippets/updating-selections/model.cpp b/src/widgets/doc/snippets/updating-selections/model.cpp new file mode 100644 index 0000000000..ec56f84adb --- /dev/null +++ b/src/widgets/doc/snippets/updating-selections/model.cpp @@ -0,0 +1,236 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + model.cpp + + Provides a table model for use in various examples. +*/ + +#include <QtGui> + +#include "model.h" + +/*! + Constructs a table model with at least one row and one column. +*/ + +TableModel::TableModel(int rows, int columns, QObject *parent) + : QAbstractTableModel(parent) +{ + QStringList newList; + + for (int column = 0; column < qMax(1, columns); ++column) { + newList.append(""); + } + + for (int row = 0; row < qMax(1, rows); ++row) { + rowList.append(newList); + } +} + + +/*! + Returns the number of items in the row list as the number of rows + in the model. +*/ + +int TableModel::rowCount(const QModelIndex &/*parent*/) const +{ + return rowList.size(); +} + +/*! + Returns the number of items in the first list item as the number of + columns in the model. All rows should have the same number of columns. +*/ + +int TableModel::columnCount(const QModelIndex &/*parent*/) const +{ + return rowList[0].size(); +} + +/*! + Returns an appropriate value for the requested data. + If the view requests an invalid index, an invalid variant is returned. + Any valid index that corresponds to a string in the list causes that + string to be returned for the display role; otherwise an invalid variant + is returned. +*/ + +QVariant TableModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (role == Qt::DisplayRole) + return rowList[index.row()][index.column()]; + else + return QVariant(); +} + +/*! + Returns the appropriate header string depending on the orientation of + the header and the section. If anything other than the display role is + requested, we return an invalid variant. +*/ + +QVariant TableModel::headerData(int section, Qt::Orientation orientation, + int role) const +{ + if (role != Qt::DisplayRole) + return QVariant(); + + if (orientation == Qt::Horizontal) + return QString("Column %1").arg(section); + else + return QString("Row %1").arg(section); +} + +/*! + Returns an appropriate value for the item's flags. Valid items are + enabled, selectable, and editable. +*/ + +Qt::ItemFlags TableModel::flags(const QModelIndex &index) const +{ + if (!index.isValid()) + return Qt::ItemIsEnabled; + + return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable; +} + +/*! + Changes an item in the model, but only if the following conditions + are met: + + * The index supplied is valid. + * The role associated with editing text is specified. + + The dataChanged() signal is emitted if the item is changed. +*/ + +bool TableModel::setData(const QModelIndex &index, + const QVariant &value, int role) +{ + if (!index.isValid() || role != Qt::EditRole) + return false; + + rowList[index.row()][index.column()] = value.toString(); + emit dataChanged(index, index); + return true; +} + +/*! + Inserts a number of rows into the model at the specified position. +*/ + +bool TableModel::insertRows(int position, int rows, const QModelIndex &parent) +{ + int columns = columnCount(); + beginInsertRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + QStringList items; + for (int column = 0; column < columns; ++column) + items.append(""); + rowList.insert(position, items); + } + + endInsertRows(); + return true; +} + +/*! + Inserts a number of columns into the model at the specified position. + Each entry in the list is extended in turn with the required number of + empty strings. +*/ + +bool TableModel::insertColumns(int position, int columns, const QModelIndex &parent) +{ + int rows = rowCount(); + beginInsertColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = position; column < columns; ++column) { + rowList[row].insert(position, ""); + } + } + + endInsertColumns(); + return true; +} + +/*! + Removes a number of rows from the model at the specified position. +*/ + +bool TableModel::removeRows(int position, int rows, const QModelIndex &parent) +{ + beginRemoveRows(parent, position, position + rows - 1); + + for (int row = 0; row < rows; ++row) { + rowList.removeAt(position); + } + + endRemoveRows(); + return true; +} + +/*! + Removes a number of columns from the model at the specified position. + Each row is shortened by the number of columns specified. +*/ + +bool TableModel::removeColumns(int position, int columns, const QModelIndex &parent) +{ + int rows = rowCount(); + beginRemoveColumns(parent, position, position + columns - 1); + + for (int row = 0; row < rows; ++row) { + for (int column = 0; column < columns; ++column) { + rowList[row].removeAt(position); + } + } + + endRemoveColumns(); + return true; +} diff --git a/src/widgets/doc/snippets/updating-selections/model.h b/src/widgets/doc/snippets/updating-selections/model.h new file mode 100644 index 0000000000..ef63e45ce0 --- /dev/null +++ b/src/widgets/doc/snippets/updating-selections/model.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 MODEL_H +#define MODEL_H + +#include <QAbstractTableModel> +#include <QStringList> +#include <QVariant> + +class TableModel : public QAbstractTableModel +{ + Q_OBJECT + +public: + TableModel(int rows = 1, int columns = 1, QObject *parent = 0); + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + QVariant data(const QModelIndex &index, int role) const; + QVariant headerData(int section, Qt::Orientation orientation, + int role = Qt::DisplayRole) const; + + Qt::ItemFlags flags(const QModelIndex &index) const; + bool setData(const QModelIndex &index, const QVariant &value, + int role = Qt::EditRole); + + bool insertRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool insertColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + bool removeRows(int position, int rows, const QModelIndex &parent = QModelIndex()); + bool removeColumns(int position, int columns, const QModelIndex &parent = QModelIndex()); + +private: + QList<QStringList> rowList; +}; + +#endif diff --git a/src/widgets/doc/snippets/updating-selections/updating-selections.pro b/src/widgets/doc/snippets/updating-selections/updating-selections.pro new file mode 100644 index 0000000000..91ebd3e84f --- /dev/null +++ b/src/widgets/doc/snippets/updating-selections/updating-selections.pro @@ -0,0 +1,2 @@ +HEADERS += model.h window.h +SOURCES += main.cpp model.cpp window.cpp diff --git a/src/widgets/doc/snippets/updating-selections/window.cpp b/src/widgets/doc/snippets/updating-selections/window.cpp new file mode 100644 index 0000000000..eaa37b8c87 --- /dev/null +++ b/src/widgets/doc/snippets/updating-selections/window.cpp @@ -0,0 +1,109 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* + window.cpp + + A minimal subclass of QTableView with slots to allow the selection model + to be monitored. +*/ + +#include <QAbstractItemModel> +#include <QItemSelection> +#include <QItemSelectionModel> +#include <QStatusBar> + +#include "model.h" +#include "window.h" + +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) +{ + setWindowTitle("Selected items in a table model"); + + model = new TableModel(8, 4, this); + + table = new QTableView(this); + table->setModel(model); + + selectionModel = table->selectionModel(); + connect(selectionModel, + SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)), + this, SLOT(updateSelection(const QItemSelection &, const QItemSelection &))); + connect(selectionModel, + SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)), + this, SLOT(changeCurrent(const QModelIndex &, const QModelIndex &))); + + statusBar(); + setCentralWidget(table); +} + +//! [0] +void MainWindow::updateSelection(const QItemSelection &selected, + const QItemSelection &deselected) +{ + QModelIndex index; + QModelIndexList items = selected.indexes(); + + foreach (index, items) { + QString text = QString("(%1,%2)").arg(index.row()).arg(index.column()); + model->setData(index, text); +//! [0] //! [1] + } +//! [1] + +//! [2] + items = deselected.indexes(); + + foreach (index, items) + model->setData(index, ""); +} +//! [2] + +//! [3] +void MainWindow::changeCurrent(const QModelIndex ¤t, + const QModelIndex &previous) +{ + statusBar()->showMessage( + tr("Moved from (%1,%2) to (%3,%4)") + .arg(previous.row()).arg(previous.column()) + .arg(current.row()).arg(current.column())); +} +//! [3] diff --git a/src/widgets/doc/snippets/updating-selections/window.h b/src/widgets/doc/snippets/updating-selections/window.h new file mode 100644 index 0000000000..0d87ced010 --- /dev/null +++ b/src/widgets/doc/snippets/updating-selections/window.h @@ -0,0 +1,67 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 WINDOW_H +#define WINDOW_H + +#include <QItemSelection> +#include <QMainWindow> +#include <QModelIndex> +#include <QWidget> +#include <QTableView> + +class MainWindow : public QMainWindow +{ + Q_OBJECT +public: + MainWindow(QWidget *parent = 0); + +public slots: + void updateSelection(const QItemSelection &selected, + const QItemSelection &deselected); + void changeCurrent(const QModelIndex ¤t, const QModelIndex &previous); + +private: + QAbstractItemModel *model; + QItemSelectionModel *selectionModel; + QTableView *table; +}; + +#endif diff --git a/src/widgets/doc/snippets/widgets-tutorial/template.cpp b/src/widgets/doc/snippets/widgets-tutorial/template.cpp new file mode 100644 index 0000000000..187952d44d --- /dev/null +++ b/src/widgets/doc/snippets/widgets-tutorial/template.cpp @@ -0,0 +1,56 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation 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 body] +#include <QtGui> + +// Include header files for application components. +// ... + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + + // Set up and show widgets. + // ... + + return app.exec(); +} +//! [main.cpp body] |
