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6 ** This file is part of the examples of the Qt Toolkit.
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42 #include "mainwindow.h"
46 MainWindow::MainWindow(QWidget *parent)
47 : QMainWindow(parent), completer(0)
51 completingTextEdit = new TextEdit;
52 completer = new QCompleter(this);
53 completer->setModel(modelFromFile(":/resources/wordlist.txt"));
54 completer->setModelSorting(QCompleter::CaseInsensitivelySortedModel);
55 completer->setCaseSensitivity(Qt::CaseInsensitive);
56 completer->setWrapAround(false);
57 completingTextEdit->setCompleter(completer);
59 setCentralWidget(completingTextEdit);
61 setWindowTitle(tr("Completer"));
66 void MainWindow::createMenu()
68 QAction *exitAction = new QAction(tr("Exit"), this);
69 QAction *aboutAct = new QAction(tr("About"), this);
70 QAction *aboutQtAct = new QAction(tr("About Qt"), this);
72 connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
73 connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
74 connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
76 QMenu* fileMenu = menuBar()->addMenu(tr("File"));
77 fileMenu->addAction(exitAction);
79 QMenu* helpMenu = menuBar()->addMenu(tr("About"));
80 helpMenu->addAction(aboutAct);
81 helpMenu->addAction(aboutQtAct);
86 QAbstractItemModel *MainWindow::modelFromFile(const QString& fileName)
89 if (!file.open(QFile::ReadOnly))
90 return new QStringListModel(completer);
93 QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
97 while (!file.atEnd()) {
98 QByteArray line = file.readLine();
100 words << line.trimmed();
104 QApplication::restoreOverrideCursor();
106 return new QStringListModel(words, completer);
111 void MainWindow::about()
113 QMessageBox::about(this, tr("About"), tr("This example demonstrates the "
114 "different features of the QCompleter class."));