ScriptConsole: Use QTreeView

Use QTreeView instead of modified QPlainTextEdit to show the
console. Using a QTreeView gives more control over output
display as well as separates out the model from the view.

Change-Id: I436b13ed042c00d09d6de627b442bfd8d10d2236
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/plugins/debugger/qml/consoleeditor.h

@@ -0,0 +1,81 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef CONSOLEEDITOR_H
+#define CONSOLEEDITOR_H
+
+#include "consoleitemmodel.h"
+
+#include <QtGui/QTextEdit>
+#include <QtCore/QModelIndex>
+
+namespace Debugger {
+namespace Internal {
+
+class ConsoleBackend;
+class ConsoleEditor : public QTextEdit
+{
+    Q_OBJECT
+public:
+    explicit ConsoleEditor(const QModelIndex &index,
+                           ConsoleBackend *backend = 0,
+                           QWidget *parent = 0);
+
+    QString getCurrentScript() const;
+
+protected:
+    void keyPressEvent(QKeyEvent *e);
+    void contextMenuEvent(QContextMenuEvent *event);
+    void focusOutEvent(QFocusEvent *e);
+
+signals:
+    void editingFinished();
+    void appendEditableRow();
+
+protected:
+    void handleUpKey();
+    void handleDownKey();
+
+    void replaceCurrentScript(const QString &script);
+
+private:
+    ConsoleBackend *m_consoleBackend;
+    QModelIndex m_historyIndex;
+    QString m_cachedScript;
+    QImage m_prompt;
+    int m_startOfEditableArea;
+};
+
+} //Internal
+} //Debugger
+
+#endif // CONSOLEEDITOR_H