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-rw-r--r--examples/tools/customcompleter/customcompleter.pro12
-rw-r--r--examples/tools/customcompleter/customcompleter.qrc5
-rw-r--r--examples/tools/customcompleter/main.cpp55
-rw-r--r--examples/tools/customcompleter/mainwindow.cpp118
-rw-r--r--examples/tools/customcompleter/mainwindow.h77
-rw-r--r--examples/tools/customcompleter/resources/wordlist.txt1455
-rw-r--r--examples/tools/customcompleter/textedit.cpp174
-rw-r--r--examples/tools/customcompleter/textedit.h79
8 files changed, 1975 insertions, 0 deletions
diff --git a/examples/tools/customcompleter/customcompleter.pro b/examples/tools/customcompleter/customcompleter.pro
new file mode 100644
index 0000000..ebaa831
--- /dev/null
+++ b/examples/tools/customcompleter/customcompleter.pro
@@ -0,0 +1,12 @@
+HEADERS = mainwindow.h \
+ textedit.h
+SOURCES = main.cpp \
+ mainwindow.cpp \
+ textedit.cpp
+RESOURCES = customcompleter.qrc
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/tools/customcompleter
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS customcompleter.pro resources
+sources.path = $$[QT_INSTALL_EXAMPLES]/tools/customcompleter
+INSTALLS += target sources
diff --git a/examples/tools/customcompleter/customcompleter.qrc b/examples/tools/customcompleter/customcompleter.qrc
new file mode 100644
index 0000000..d7da1bf
--- /dev/null
+++ b/examples/tools/customcompleter/customcompleter.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource prefix="/">
+ <file>resources/wordlist.txt</file>
+</qresource>
+</RCC>
diff --git a/examples/tools/customcompleter/main.cpp b/examples/tools/customcompleter/main.cpp
new file mode 100644
index 0000000..8e64f6c
--- /dev/null
+++ b/examples/tools/customcompleter/main.cpp
@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include "mainwindow.h"
+
+//! [0]
+int main(int argc, char *argv[])
+{
+ Q_INIT_RESOURCE(customcompleter);
+
+ QApplication app(argc, argv);
+ MainWindow window;
+ window.show();
+ return app.exec();
+}
+//! [0]
diff --git a/examples/tools/customcompleter/mainwindow.cpp b/examples/tools/customcompleter/mainwindow.cpp
new file mode 100644
index 0000000..8d75ddd
--- /dev/null
+++ b/examples/tools/customcompleter/mainwindow.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include "mainwindow.h"
+#include "textedit.h"
+
+//! [0]
+MainWindow::MainWindow(QWidget *parent)
+ : QMainWindow(parent), completer(0)
+{
+ createMenu();
+
+ completingTextEdit = new TextEdit;
+ completer = new QCompleter(this);
+ completer->setModel(modelFromFile(":/resources/wordlist.txt"));
+ completer->setModelSorting(QCompleter::CaseInsensitivelySortedModel);
+ completer->setCaseSensitivity(Qt::CaseInsensitive);
+ completer->setWrapAround(false);
+ completingTextEdit->setCompleter(completer);
+
+ setCentralWidget(completingTextEdit);
+ resize(500, 300);
+ setWindowTitle(tr("Completer"));
+}
+//! [0]
+
+//! [1]
+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);
+}
+//! [1]
+
+//! [2]
+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;
+
+ while (!file.atEnd()) {
+ QByteArray line = file.readLine();
+ if (!line.isEmpty())
+ words << line.trimmed();
+ }
+
+#ifndef QT_NO_CURSOR
+ QApplication::restoreOverrideCursor();
+#endif
+ return new QStringListModel(words, completer);
+}
+//! [2]
+
+//! [3]
+void MainWindow::about()
+{
+ QMessageBox::about(this, tr("About"), tr("This example demonstrates the "
+ "different features of the QCompleter class."));
+}
+//! [3]
+
diff --git a/examples/tools/customcompleter/mainwindow.h b/examples/tools/customcompleter/mainwindow.h
new file mode 100644
index 0000000..77089c2
--- /dev/null
+++ b/examples/tools/customcompleter/mainwindow.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+QT_BEGIN_NAMESPACE
+class QAbstractItemModel;
+class QComboBox;
+class QCompleter;
+class QLabel;
+class QLineEdit;
+class QProgressBar;
+QT_END_NAMESPACE
+class TextEdit;
+
+//! [0]
+class MainWindow : public QMainWindow
+{
+ Q_OBJECT
+
+public:
+ MainWindow(QWidget *parent = 0);
+
+private slots:
+ void about();
+
+private:
+ void createMenu();
+ QAbstractItemModel *modelFromFile(const QString& fileName);
+
+ QCompleter *completer;
+ TextEdit *completingTextEdit;
+};
+//! [0]
+
+#endif // MAINWINDOW_H
diff --git a/examples/tools/customcompleter/resources/wordlist.txt b/examples/tools/customcompleter/resources/wordlist.txt
new file mode 100644
index 0000000..a5de826
--- /dev/null
+++ b/examples/tools/customcompleter/resources/wordlist.txt
@@ -0,0 +1,1455 @@
+A4
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diff --git a/examples/tools/customcompleter/textedit.cpp b/examples/tools/customcompleter/textedit.cpp
new file mode 100644
index 0000000..ecafa8f
--- /dev/null
+++ b/examples/tools/customcompleter/textedit.cpp
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "textedit.h"
+#include <QCompleter>
+#include <QKeyEvent>
+#include <QAbstractItemView>
+#include <QtDebug>
+#include <QApplication>
+#include <QModelIndex>
+#include <QAbstractItemModel>
+#include <QScrollBar>
+
+//! [0]
+TextEdit::TextEdit(QWidget *parent)
+: QTextEdit(parent), c(0)
+{
+ setPlainText(tr("This TextEdit provides autocompletions for words that have more than"
+ " 3 characters. You can trigger autocompletion using ") +
+ QKeySequence("Ctrl+E").toString(QKeySequence::NativeText));
+}
+//! [0]
+
+//! [1]
+TextEdit::~TextEdit()
+{
+}
+//! [1]
+
+//! [2]
+void TextEdit::setCompleter(QCompleter *completer)
+{
+ if (c)
+ QObject::disconnect(c, 0, this, 0);
+
+ c = completer;
+
+ if (!c)
+ return;
+
+ c->setWidget(this);
+ c->setCompletionMode(QCompleter::PopupCompletion);
+ c->setCaseSensitivity(Qt::CaseInsensitive);
+ QObject::connect(c, SIGNAL(activated(const QString&)),
+ this, SLOT(insertCompletion(const QString&)));
+}
+//! [2]
+
+//! [3]
+QCompleter *TextEdit::completer() const
+{
+ return c;
+}
+//! [3]
+
+//! [4]
+void TextEdit::insertCompletion(const QString& completion)
+{
+ if (c->widget() != this)
+ return;
+ QTextCursor tc = textCursor();
+ int extra = completion.length() - c->completionPrefix().length();
+ tc.movePosition(QTextCursor::Left);
+ tc.movePosition(QTextCursor::EndOfWord);
+ tc.insertText(completion.right(extra));
+ setTextCursor(tc);
+}
+//! [4]
+
+//! [5]
+QString TextEdit::textUnderCursor() const
+{
+ QTextCursor tc = textCursor();
+ tc.select(QTextCursor::WordUnderCursor);
+ return tc.selectedText();
+}
+//! [5]
+
+//! [6]
+void TextEdit::focusInEvent(QFocusEvent *e)
+{
+ if (c)
+ c->setWidget(this);
+ QTextEdit::focusInEvent(e);
+}
+//! [6]
+
+//! [7]
+void TextEdit::keyPressEvent(QKeyEvent *e)
+{
+ if (c && c->popup()->isVisible()) {
+ // The following keys are forwarded by the completer to the widget
+ switch (e->key()) {
+ case Qt::Key_Enter:
+ case Qt::Key_Return:
+ case Qt::Key_Escape:
+ case Qt::Key_Tab:
+ case Qt::Key_Backtab:
+ e->ignore();
+ return; // let the completer do default behavior
+ default:
+ break;
+ }
+ }
+
+ bool isShortcut = ((e->modifiers() & Qt::ControlModifier) && e->key() == Qt::Key_E); // CTRL+E
+ if (!c || !isShortcut) // dont process the shortcut when we have a completer
+ QTextEdit::keyPressEvent(e);
+//! [7]
+
+//! [8]
+ const bool ctrlOrShift = e->modifiers() & (Qt::ControlModifier | Qt::ShiftModifier);
+ if (!c || (ctrlOrShift && e->text().isEmpty()))
+ return;
+
+ static QString eow("~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-="); // end of word
+ bool hasModifier = (e->modifiers() != Qt::NoModifier) && !ctrlOrShift;
+ QString completionPrefix = textUnderCursor();
+
+ if (!isShortcut && (hasModifier || e->text().isEmpty()|| completionPrefix.length() < 3
+ || eow.contains(e->text().right(1)))) {
+ c->popup()->hide();
+ return;
+ }
+
+ if (completionPrefix != c->completionPrefix()) {
+ c->setCompletionPrefix(completionPrefix);
+ c->popup()->setCurrentIndex(c->completionModel()->index(0, 0));
+ }
+ QRect cr = cursorRect();
+ cr.setWidth(c->popup()->sizeHintForColumn(0)
+ + c->popup()->verticalScrollBar()->sizeHint().width());
+ c->complete(cr); // popup it up!
+}
+//! [8]
+
diff --git a/examples/tools/customcompleter/textedit.h b/examples/tools/customcompleter/textedit.h
new file mode 100644
index 0000000..d727228
--- /dev/null
+++ b/examples/tools/customcompleter/textedit.h
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TEXTEDIT_H
+#define TEXTEDIT_H
+
+#include <QTextEdit>
+
+QT_BEGIN_NAMESPACE
+class QCompleter;
+QT_END_NAMESPACE
+
+//! [0]
+class TextEdit : public QTextEdit
+{
+ Q_OBJECT
+
+public:
+ TextEdit(QWidget *parent = 0);
+ ~TextEdit();
+
+ void setCompleter(QCompleter *c);
+ QCompleter *completer() const;
+
+protected:
+ void keyPressEvent(QKeyEvent *e);
+ void focusInEvent(QFocusEvent *e);
+
+private slots:
+ void insertCompletion(const QString &completion);
+
+private:
+ QString textUnderCursor() const;
+
+private:
+ QCompleter *c;
+};
+//! [0]
+
+#endif // TEXTEDIT_H
+