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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "editorarea.h"
#include "editormanager.h"
#include "ieditor.h"
#include <coreplugin/coreconstants.h>
#include <coreplugin/icontext.h>
#include <coreplugin/idocument.h>
#include <coreplugin/icore.h>
#include <utils/qtcassert.h>
#include <QApplication>
namespace Core {
namespace Internal {
EditorArea::EditorArea()
{
m_context = new IContext;
m_context->setContext(Context(Constants::C_EDITORMANAGER));
m_context->setWidget(this);
ICore::addContextObject(m_context);
setCurrentView(view());
updateCloseSplitButton();
connect(qApp, &QApplication::focusChanged,
this, &EditorArea::focusChanged);
connect(this, &SplitterOrView::splitStateChanged, this, &EditorArea::updateCloseSplitButton);
}
EditorArea::~EditorArea()
{
// disconnect
setCurrentView(nullptr);
disconnect(qApp, &QApplication::focusChanged,
this, &EditorArea::focusChanged);
delete m_context;
}
IDocument *EditorArea::currentDocument() const
{
return m_currentDocument;
}
void EditorArea::focusChanged(QWidget *old, QWidget *now)
{
Q_UNUSED(old)
// only interesting if the focus moved within the editor area
if (!focusWidget() || focusWidget() != now)
return;
// find the view with focus
EditorView *current = findFirstView();
while (current) {
if (current->focusWidget() && current->focusWidget() == now) {
setCurrentView(current);
break;
}
current = current->findNextView();
}
}
void EditorArea::setCurrentView(EditorView *view)
{
if (view == m_currentView)
return;
if (m_currentView) {
disconnect(m_currentView.data(), &EditorView::currentEditorChanged,
this, &EditorArea::updateCurrentEditor);
}
m_currentView = view;
if (m_currentView) {
connect(m_currentView.data(), &EditorView::currentEditorChanged,
this, &EditorArea::updateCurrentEditor);
}
updateCurrentEditor(m_currentView ? m_currentView->currentEditor() : nullptr);
}
void EditorArea::updateCurrentEditor(IEditor *editor)
{
IDocument *document = editor ? editor->document() : nullptr;
if (document == m_currentDocument)
return;
if (m_currentDocument) {
disconnect(m_currentDocument.data(), &IDocument::changed,
this, &EditorArea::windowTitleNeedsUpdate);
}
m_currentDocument = document;
if (m_currentDocument) {
connect(m_currentDocument.data(), &IDocument::changed,
this, &EditorArea::windowTitleNeedsUpdate);
}
emit windowTitleNeedsUpdate();
}
void EditorArea::updateCloseSplitButton()
{
if (EditorView *v = view())
v->setCloseSplitEnabled(false);
}
} // Internal
} // Core
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