forked from qt-creator/qt-creator
131 lines
4.0 KiB
C++
131 lines
4.0 KiB
C++
/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception
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** version 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#include "plaintexteditor.h"
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#include "texteditorconstants.h"
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#include "texteditorplugin.h"
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#include <coreplugin/coreconstants.h>
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#include <coreplugin/icore.h>
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#include <coreplugin/uniqueidmanager.h>
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using namespace TextEditor;
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using namespace TextEditor::Internal;
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PlainTextEditorEditable::PlainTextEditorEditable(PlainTextEditor *editor)
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:BaseTextEditorEditable(editor)
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{
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Core::ICore *core = TextEditorPlugin::core();
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m_context << core->uniqueIDManager()->
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uniqueIdentifier(Core::Constants::K_DEFAULT_TEXT_EDITOR);
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m_context << core->uniqueIDManager()->
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uniqueIdentifier(TextEditor::Constants::C_TEXTEDITOR);
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}
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PlainTextEditor::PlainTextEditor(QWidget *parent) :
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BaseTextEditor(parent)
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{
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setRevisionsVisible(true);
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setMarksVisible(true);
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setRequestMarkEnabled(false);
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setLineSeparatorsAllowed(true);
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setMimeType(QLatin1String(TextEditor::Constants::C_TEXTEDITOR_MIMETYPE_TEXT));
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}
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QList<int> PlainTextEditorEditable::context() const
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{
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return m_context;
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}
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Core::IEditor *PlainTextEditorEditable::duplicate(QWidget *parent)
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{
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PlainTextEditor *newEditor = new PlainTextEditor(parent);
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newEditor->duplicateFrom(editor());
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TextEditorPlugin::instance()->initializeEditor(newEditor);
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return newEditor->editableInterface();
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}
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const char *PlainTextEditorEditable::kind() const
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{
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return Core::Constants::K_DEFAULT_TEXT_EDITOR;
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}
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// Indent a text block based on previous line.
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// Simple text paragraph layout:
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// aaaa aaaa
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//
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// bbb bb
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// bbb bb
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//
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// - list
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// list line2
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//
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// - listn
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//
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// ccc
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//
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// @todo{Add formatting to wrap paragraphs. This requires some
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// hoops as the current indentation routines are not prepared
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// for additional block being inserted. It might be possible
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// to do in 2 steps (indenting/wrapping)}
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//
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void PlainTextEditor::indentBlock(QTextDocument *doc, QTextBlock block, QChar /* typedChar */)
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{
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// At beginning: Leave as is.
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if (block == doc->begin())
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return;
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const QTextBlock previous = block.previous();
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const QString previousText = previous.text();
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// Empty line indicates a start of a new paragraph. Leave as is.
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if (previousText.isEmpty() || previousText.trimmed().isEmpty())
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return;
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// Just use previous line.
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// Skip non-alphanumerical characters when determining the indentation
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// to enable writing bulleted lists whose items span several lines.
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int i = 0;
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while (i < previousText.size()) {
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if (previousText.at(i).isLetterOrNumber()) {
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const TextEditor::TabSettings &ts = tabSettings();
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ts.indentLine(block, ts.columnAt(previousText, i));
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break;
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}
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++i;
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}
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}
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