Editors: Extract class for external windows

It will take over more responsibility in a later patch.

Change-Id: I89ef61791ccbba3e42de2862d5d887099634bce4
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/coreplugin/coreplugin.pro

@@ -31,6 +31,7 @@ SOURCES += mainwindow.cpp \
     editormanager/editorarea.cpp \
     editormanager/editormanager.cpp \
     editormanager/editorview.cpp \
+    editormanager/editorwindow.cpp \
     editormanager/documentmodel.cpp \
     editormanager/openeditorsview.cpp \
     editormanager/openeditorswindow.cpp \
@@ -122,6 +123,7 @@ HEADERS += mainwindow.h \
     editormanager/editormanager.h \
     editormanager/editormanager_p.h \
     editormanager/editorview.h \
+    editormanager/editorwindow.h \
     editormanager/documentmodel.h \
     editormanager/openeditorsview.h \
     editormanager/openeditorswindow.h \

src/plugins/coreplugin/editormanager/editormanager.cpp

@@ -29,6 +29,7 @@
 
 #include "editormanager.h"
 #include "editormanager_p.h"
+#include "editorwindow.h"
 
 #include "editorview.h"
 #include "openeditorswindow.h"
@@ -1169,19 +1170,9 @@ void EditorManagerPrivate::splitNewWindow(EditorView *view)
         newEditor = EditorManagerPrivate::duplicateEditor(editor);
     else
         newEditor = editor; // move to the new view
-    auto area = new EditorArea;
-    QWidget *win = new QWidget;
-    QVBoxLayout *layout = new QVBoxLayout;
-    layout->setMargin(0);
-    layout->setSpacing(0);
-    win->setLayout(layout);
-    layout->addWidget(area);
-    win->setFocusProxy(area);
-    win->setAttribute(Qt::WA_DeleteOnClose);
-    win->setAttribute(Qt::WA_QuitOnClose, false); // don't prevent Qt Creator from closing
-    win->resize(QSize(800, 600));
-    static int windowId = 0;
-    ICore::registerWindow(win, Context(Id("EditorManager.ExternalWindow.").withSuffix(++windowId)));
+
+    auto win = new EditorWindow;
+    EditorArea *area = win->editorArea();
     d->m_editorAreas.append(area);
     connect(area, SIGNAL(destroyed(QObject*)), d, SLOT(editorAreaDestroyed(QObject*)));
     win->show();

src/plugins/coreplugin/editormanager/editorwindow.cpp

@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 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 "editorwindow.h"
+
+#include "editorarea.h"
+
+#include <coreplugin/icontext.h>
+#include <coreplugin/icore.h>
+
+#include <QVBoxLayout>
+
+namespace Core {
+namespace Internal {
+
+EditorWindow::EditorWindow(QWidget *parent) :
+    QWidget(parent)
+{
+    m_area = new EditorArea;
+    auto layout = new QVBoxLayout;
+    layout->setMargin(0);
+    layout->setSpacing(0);
+    setLayout(layout);
+    layout->addWidget(m_area);
+    setFocusProxy(m_area);
+    setAttribute(Qt::WA_DeleteOnClose);
+    setAttribute(Qt::WA_QuitOnClose, false); // don't prevent Qt Creator from closing
+    resize(QSize(800, 600));
+
+    static int windowId = 0;
+    ICore::registerWindow(this, Context(Id("EditorManager.ExternalWindow.").withSuffix(++windowId)));
+}
+
+EditorArea *EditorWindow::editorArea() const
+{
+    return m_area;
+}
+
+} // Internal
+} // Core

src/plugins/coreplugin/editormanager/editorwindow.h

@@ -0,0 +1,55 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 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.
+**
+****************************************************************************/
+
+#ifndef EDITORWINDOW_H
+#define EDITORWINDOW_H
+
+#include <QWidget>
+
+namespace Core {
+namespace Internal {
+
+class EditorArea;
+
+class EditorWindow : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit EditorWindow(QWidget *parent = 0);
+
+    EditorArea *editorArea() const;
+
+private:
+    EditorArea *m_area;
+};
+
+} // Internal
+} // Core
+
+#endif // EDITORWINDOW_H