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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /doc/src/snippets/textdocument-lists | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'doc/src/snippets/textdocument-lists')
-rw-r--r-- | doc/src/snippets/textdocument-lists/main.cpp | 53 | ||||
-rw-r--r-- | doc/src/snippets/textdocument-lists/mainwindow.cpp | 193 | ||||
-rw-r--r-- | doc/src/snippets/textdocument-lists/mainwindow.h | 80 | ||||
-rw-r--r-- | doc/src/snippets/textdocument-lists/textdocument-lists.pro | 3 |
4 files changed, 329 insertions, 0 deletions
diff --git a/doc/src/snippets/textdocument-lists/main.cpp b/doc/src/snippets/textdocument-lists/main.cpp new file mode 100644 index 0000000..96dc33e --- /dev/null +++ b/doc/src/snippets/textdocument-lists/main.cpp @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the documentation 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" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + MainWindow *window = new MainWindow; + window->resize(640, 480); + window->show(); + return app.exec(); +} diff --git a/doc/src/snippets/textdocument-lists/mainwindow.cpp b/doc/src/snippets/textdocument-lists/mainwindow.cpp new file mode 100644 index 0000000..f6ddb8e --- /dev/null +++ b/doc/src/snippets/textdocument-lists/mainwindow.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the documentation 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" + +MainWindow::MainWindow() +{ + QMenu *fileMenu = new QMenu(tr("&File")); + + fileMenu->addAction(tr("E&xit"), this, SLOT(close()), + QKeySequence(tr("Ctrl+Q", "File|Exit"))); + + QMenu *editMenu = new QMenu(tr("&Edit")); + + cutAction = editMenu->addAction(tr("Cu&t"), this, SLOT(cutSelection()), + QKeySequence(tr("Ctrl+X", "Edit|Cut"))); + copyAction = editMenu->addAction(tr("&Copy"), this, SLOT(copySelection()), + QKeySequence(tr("Ctrl+C", "Edit|Copy"))); + pasteAction = editMenu->addAction(tr("&Paste"), this, + SLOT(pasteSelection()), QKeySequence(tr("Ctrl+V", "Edit|Paste"))); + + QMenu *selectMenu = new QMenu(tr("&Select")); + selectMenu->addAction(tr("&Word"), this, SLOT(selectWord())); + selectMenu->addAction(tr("&Line"), this, SLOT(selectLine())); + selectMenu->addAction(tr("&Block"), this, SLOT(selectBlock())); + selectMenu->addAction(tr("&Frame"), this, SLOT(selectFrame())); + + QMenu *insertMenu = new QMenu(tr("&Insert")); + + insertMenu->addAction(tr("&List"), this, SLOT(insertList()), + QKeySequence(tr("Ctrl+L", "Insert|List"))); + + menuBar()->addMenu(fileMenu); + menuBar()->addMenu(editMenu); + menuBar()->addMenu(selectMenu); + menuBar()->addMenu(insertMenu); + + editor = new QTextEdit(this); + document = new QTextDocument(this); + editor->setDocument(document); + + connect(editor, SIGNAL(selectionChanged()), this, SLOT(updateMenus())); + + updateMenus(); + + setCentralWidget(editor); + setWindowTitle(tr("Text Document Writer")); +} + +void MainWindow::cutSelection() +{ + QTextCursor cursor = editor->textCursor(); + if (cursor.hasSelection()) { + selection = cursor.selection(); + cursor.removeSelectedText(); + } +} + +void MainWindow::copySelection() +{ + QTextCursor cursor = editor->textCursor(); + if (cursor.hasSelection()) { + selection = cursor.selection(); + cursor.clearSelection(); + } +} + +void MainWindow::pasteSelection() +{ + QTextCursor cursor = editor->textCursor(); + cursor.insertFragment(selection); +} + +void MainWindow::selectWord() +{ + QTextCursor cursor = editor->textCursor(); + QTextBlock block = cursor.block(); + + cursor.beginEditBlock(); + cursor.movePosition(QTextCursor::StartOfWord); + cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::selectLine() +{ + QTextCursor cursor = editor->textCursor(); + QTextBlock block = cursor.block(); + + cursor.beginEditBlock(); + cursor.movePosition(QTextCursor::StartOfLine); + cursor.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::selectBlock() +{ + QTextCursor cursor = editor->textCursor(); + QTextBlock block = cursor.block(); + + cursor.beginEditBlock(); + cursor.movePosition(QTextCursor::StartOfBlock); + cursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::selectFrame() +{ + QTextCursor cursor = editor->textCursor(); + QTextFrame *frame = cursor.currentFrame(); + + cursor.beginEditBlock(); + cursor.setPosition(frame->firstPosition()); + cursor.setPosition(frame->lastPosition(), QTextCursor::KeepAnchor); + cursor.endEditBlock(); + + editor->setTextCursor(cursor); +} + +void MainWindow::insertList() +{ + QTextCursor cursor = editor->textCursor(); + cursor.beginEditBlock(); + + QTextList *list = cursor.currentList(); +//! [0] + QTextListFormat listFormat; + if (list) { + listFormat = list->format(); + listFormat.setIndent(listFormat.indent() + 1); + } + + listFormat.setStyle(QTextListFormat::ListDisc); + cursor.insertList(listFormat); +//! [0] + + cursor.endEditBlock(); +} + +void MainWindow::updateMenus() +{ + QTextCursor cursor = editor->textCursor(); + cutAction->setEnabled(cursor.hasSelection()); + copyAction->setEnabled(cursor.hasSelection()); + + pasteAction->setEnabled(!selection.isEmpty()); +} diff --git a/doc/src/snippets/textdocument-lists/mainwindow.h b/doc/src/snippets/textdocument-lists/mainwindow.h new file mode 100644 index 0000000..e1907aa --- /dev/null +++ b/doc/src/snippets/textdocument-lists/mainwindow.h @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the documentation 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 WINDOW_H +#define WINDOW_H + +#include <QMainWindow> +#include <QTextDocumentFragment> + +class QAction; +class QTextDocument; +class QTextEdit; + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(); + +public slots: + void cutSelection(); + void copySelection(); + void insertList(); + void pasteSelection(); + void selectWord(); + void selectLine(); + void selectBlock(); + void selectFrame(); + void updateMenus(); + +private: + QAction *cutAction; + QAction *copyAction; + QAction *pasteAction; + QString currentFile; + QTextEdit *editor; + QTextDocument *document; + QTextDocumentFragment selection; +}; + +#endif diff --git a/doc/src/snippets/textdocument-lists/textdocument-lists.pro b/doc/src/snippets/textdocument-lists/textdocument-lists.pro new file mode 100644 index 0000000..5da8d6e --- /dev/null +++ b/doc/src/snippets/textdocument-lists/textdocument-lists.pro @@ -0,0 +1,3 @@ +HEADERS = mainwindow.h +SOURCES = main.cpp \ + mainwindow.cpp |