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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "codestyleeditor.h"
#include "icodestylepreferencesfactory.h"
#include "icodestylepreferences.h"
#include "codestyleselectorwidget.h"
#include "texteditorsettings.h"
#include "displaysettings.h"
#include "tabsettings.h"
#include "indenter.h"
#include "snippets/snippeteditor.h"
#include "snippets/isnippetprovider.h"
#include <QVBoxLayout>
#include <QTextBlock>
#include <QLabel>
using namespace TextEditor;
CodeStyleEditor::CodeStyleEditor(ICodeStylePreferencesFactory *factory,
ICodeStylePreferences *codeStyle, QWidget *parent)
: QWidget(parent),
m_factory(factory),
m_codeStyle(codeStyle)
{
m_layout = new QVBoxLayout(this);
CodeStyleSelectorWidget *selector = new CodeStyleSelectorWidget(factory, this);
selector->setCodeStyle(codeStyle);
m_preview = new SnippetEditorWidget(this);
TextEditor::TextEditorSettings *settings = TextEditorSettings::instance();
m_preview->setFontSettings(settings->fontSettings());
DisplaySettings displaySettings = m_preview->displaySettings();
displaySettings.m_visualizeWhitespace = true;
m_preview->setDisplaySettings(displaySettings);
ISnippetProvider *provider = factory->snippetProvider();
if (provider)
provider->decorateEditor(m_preview);
QLabel *label = new QLabel(
tr("Edit preview contents to see how the current settings "
"are applied to custom code snippets. Changes in the preview "
"do not affect the current settings."), this);
QFont font = label->font();
font.setItalic(true);
label->setFont(font);
label->setWordWrap(true);
m_layout->addWidget(selector);
m_layout->addWidget(m_preview);
m_layout->addWidget(label);
connect(codeStyle, SIGNAL(currentTabSettingsChanged(TextEditor::TabSettings)),
this, SLOT(updatePreview()));
connect(codeStyle, SIGNAL(currentValueChanged(QVariant)),
this, SLOT(updatePreview()));
connect(codeStyle, SIGNAL(currentPreferencesChanged(TextEditor::ICodeStylePreferences*)),
this, SLOT(updatePreview()));
m_preview->setCodeStyle(m_codeStyle);
m_preview->setPlainText(factory->previewText());
updatePreview();
}
void CodeStyleEditor::clearMargins()
{
m_layout->setContentsMargins(QMargins());
}
void CodeStyleEditor::updatePreview()
{
QTextDocument *doc = m_preview->document();
m_preview->indenter()->invalidateCache(doc);
QTextBlock block = doc->firstBlock();
QTextCursor tc = m_preview->textCursor();
tc.beginEditBlock();
while (block.isValid()) {
m_preview->indenter()->indentBlock(doc, block, QChar::Null, m_codeStyle->currentTabSettings());
block = block.next();
}
tc.endEditBlock();
}
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