diff options
author | J-P Nurmi <jpnurmi@digia.com> | 2012-11-27 14:18:41 +0100 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-11-28 00:56:34 +0100 |
commit | cb961007c534b260b779ed513d33843a9dce01f4 (patch) | |
tree | d780db451451d51ab10aa114a6e01f813e32c852 /examples/tools/treemodelcompleter/mainwindow.cpp | |
parent | 3d66b86cb7407201f091d16130b3da73e613cc5f (diff) |
Examples: move widgets specific "tools" examples to the correct place
examples/tools -> examples/widgets/tools
Change-Id: I8b9e23c45e07ce5cd9da8f24a9a9f7ae10b2b107
Reviewed-by: hjk <qthjk@ovi.com>
Diffstat (limited to 'examples/tools/treemodelcompleter/mainwindow.cpp')
-rw-r--r-- | examples/tools/treemodelcompleter/mainwindow.cpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/examples/tools/treemodelcompleter/mainwindow.cpp b/examples/tools/treemodelcompleter/mainwindow.cpp deleted file mode 100644 index 851fde5fff..0000000000 --- a/examples/tools/treemodelcompleter/mainwindow.cpp +++ /dev/null @@ -1,246 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names -** of its contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtWidgets> -#include "treemodelcompleter.h" -#include "mainwindow.h" - -//! [0] -MainWindow::MainWindow(QWidget *parent) - : QMainWindow(parent), completer(0), lineEdit(0) -{ - createMenu(); - - completer = new TreeModelCompleter(this); - completer->setModel(modelFromFile(":/resources/treemodel.txt")); - completer->setSeparator(QLatin1String(".")); - QObject::connect(completer, SIGNAL(highlighted(QModelIndex)), - this, SLOT(highlight(QModelIndex))); - - QWidget *centralWidget = new QWidget; - - QLabel *modelLabel = new QLabel; - modelLabel->setText(tr("Tree Model<br>(Double click items to edit)")); - - QLabel *modeLabel = new QLabel; - modeLabel->setText(tr("Completion Mode")); - modeCombo = new QComboBox; - modeCombo->addItem(tr("Inline")); - modeCombo->addItem(tr("Filtered Popup")); - modeCombo->addItem(tr("Unfiltered Popup")); - modeCombo->setCurrentIndex(1); - - QLabel *caseLabel = new QLabel; - caseLabel->setText(tr("Case Sensitivity")); - caseCombo = new QComboBox; - caseCombo->addItem(tr("Case Insensitive")); - caseCombo->addItem(tr("Case Sensitive")); - caseCombo->setCurrentIndex(0); -//! [0] - -//! [1] - QLabel *separatorLabel = new QLabel; - separatorLabel->setText(tr("Tree Separator")); - - QLineEdit *separatorLineEdit = new QLineEdit; - separatorLineEdit->setText(completer->separator()); - connect(separatorLineEdit, SIGNAL(textChanged(QString)), - completer, SLOT(setSeparator(QString))); - - QCheckBox *wrapCheckBox = new QCheckBox; - wrapCheckBox->setText(tr("Wrap around completions")); - wrapCheckBox->setChecked(completer->wrapAround()); - connect(wrapCheckBox, SIGNAL(clicked(bool)), completer, SLOT(setWrapAround(bool))); - - contentsLabel = new QLabel; - contentsLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); - connect(separatorLineEdit, SIGNAL(textChanged(QString)), - this, SLOT(updateContentsLabel(QString))); - - treeView = new QTreeView; - treeView->setModel(completer->model()); - treeView->header()->hide(); - treeView->expandAll(); -//! [1] - -//! [2] - connect(modeCombo, SIGNAL(activated(int)), this, SLOT(changeMode(int))); - connect(caseCombo, SIGNAL(activated(int)), this, SLOT(changeCase(int))); - - lineEdit = new QLineEdit; - lineEdit->setCompleter(completer); -//! [2] - -//! [3] - QGridLayout *layout = new QGridLayout; - layout->addWidget(modelLabel, 0, 0); layout->addWidget(treeView, 0, 1); - layout->addWidget(modeLabel, 1, 0); layout->addWidget(modeCombo, 1, 1); - layout->addWidget(caseLabel, 2, 0); layout->addWidget(caseCombo, 2, 1); - layout->addWidget(separatorLabel, 3, 0); layout->addWidget(separatorLineEdit, 3, 1); - layout->addWidget(wrapCheckBox, 4, 0); - layout->addWidget(contentsLabel, 5, 0, 1, 2); - layout->addWidget(lineEdit, 6, 0, 1, 2); - centralWidget->setLayout(layout); - setCentralWidget(centralWidget); - - changeCase(caseCombo->currentIndex()); - changeMode(modeCombo->currentIndex()); - - setWindowTitle(tr("Tree Model Completer")); - lineEdit->setFocus(); -} -//! [3] - -//! [4] -void MainWindow::createMenu() -{ - QAction *exitAction = new QAction(tr("Exit"), this); - QAction *aboutAct = new QAction(tr("About"), this); - QAction *aboutQtAct = new QAction(tr("About Qt"), this); - - connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); - connect(aboutAct, SIGNAL(triggered()), this, SLOT(about())); - connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt())); - - QMenu* fileMenu = menuBar()->addMenu(tr("File")); - fileMenu->addAction(exitAction); - - QMenu* helpMenu = menuBar()->addMenu(tr("About")); - helpMenu->addAction(aboutAct); - helpMenu->addAction(aboutQtAct); -} -//! [4] - -//! [5] -void MainWindow::changeMode(int index) -{ - QCompleter::CompletionMode mode; - if (index == 0) - mode = QCompleter::InlineCompletion; - else if (index == 1) - mode = QCompleter::PopupCompletion; - else - mode = QCompleter::UnfilteredPopupCompletion; - - completer->setCompletionMode(mode); -} -//! [5] - -QAbstractItemModel *MainWindow::modelFromFile(const QString& fileName) -{ - QFile file(fileName); - if (!file.open(QFile::ReadOnly)) - return new QStringListModel(completer); - -#ifndef QT_NO_CURSOR - QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); -#endif - QStringList words; - - QStandardItemModel *model = new QStandardItemModel(completer); - QVector<QStandardItem *> parents(10); - parents[0] = model->invisibleRootItem(); - - while (!file.atEnd()) { - QString line = file.readLine(); - QString trimmedLine = line.trimmed(); - if (line.isEmpty() || trimmedLine.isEmpty()) - continue; - - QRegExp re("^\\s+"); - int nonws = re.indexIn(line); - int level = 0; - if (nonws == -1) { - level = 0; - } else { - if (line.startsWith("\t")) { - level = re.cap(0).length(); - } else { - level = re.cap(0).length()/4; - } - } - - if (level+1 >= parents.size()) - parents.resize(parents.size()*2); - - QStandardItem *item = new QStandardItem; - item->setText(trimmedLine); - parents[level]->appendRow(item); - parents[level+1] = item; - } - -#ifndef QT_NO_CURSOR - QApplication::restoreOverrideCursor(); -#endif - - return model; -} - -void MainWindow::highlight(const QModelIndex &index) -{ - QAbstractItemModel *completionModel = completer->completionModel(); - QAbstractProxyModel *proxy = qobject_cast<QAbstractProxyModel *>(completionModel); - if (!proxy) - return; - QModelIndex sourceIndex = proxy->mapToSource(index); - treeView->selectionModel()->select(sourceIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows); - treeView->scrollTo(index); -} - -//! [6] -void MainWindow::about() -{ - QMessageBox::about(this, tr("About"), tr("This example demonstrates how " - "to use a QCompleter with a custom tree model.")); -} -//! [6] - -//! [7] -void MainWindow::changeCase(int cs) -{ - completer->setCaseSensitivity(cs ? Qt::CaseSensitive : Qt::CaseInsensitive); -} -//! [7] - -void MainWindow::updateContentsLabel(const QString& sep) -{ - contentsLabel->setText(tr("Type path from model above with items at each level separated by a '%1'").arg(sep)); -} - |