Snippets: Feature enhancement start...

Provide an interface so users can create/edit/remove snippets.

src/plugins/texteditor/snippets/snippeteditor.h

@@ -0,0 +1,92 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef SNIPPETEDITOR_H
+#define SNIPPETEDITOR_H
+
+#include <texteditor/texteditor_global.h>
+#include <texteditor/basetexteditor.h>
+
+#include <QtCore/QScopedPointer>
+
+QT_FORWARD_DECLARE_CLASS(QFocusEvent)
+
+namespace TextEditor {
+
+class SnippetEditor;
+class SyntaxHighlighter;
+class Indenter;
+
+// Should not be necessary in this case, but the base text editor assumes a
+// valid editable interface.
+class TEXTEDITOR_EXPORT SnippetEditorEditable : public BaseTextEditorEditable
+{
+    Q_OBJECT
+public:
+    SnippetEditorEditable(SnippetEditor *editor);
+    virtual ~SnippetEditorEditable();
+
+    Core::Context context() const { return m_context; }
+
+    bool duplicateSupported() const { return false; }
+    Core::IEditor *duplicate(QWidget * /* parent */ ) { return 0; }
+    bool isTemporary() const { return false; }
+    virtual QString id() const;
+
+private:
+    const Core::Context m_context;
+};
+
+class TEXTEDITOR_EXPORT SnippetEditor : public BaseTextEditor
+{
+    Q_OBJECT
+public:
+    SnippetEditor(QWidget *parent);
+    virtual ~SnippetEditor();
+
+    void installSyntaxHighlighter(SyntaxHighlighter *highlighter);
+    void installIndenter(Indenter *indenter);
+
+signals:
+    void snippetContentChanged();
+
+protected:
+    virtual void focusOutEvent(QFocusEvent *event);
+
+    virtual int extraAreaWidth(int * /* markWidthPtr */ = 0) const { return 0; }
+    virtual BaseTextEditorEditable *createEditableInterface();
+    virtual void indentBlock(QTextDocument *doc, QTextBlock block, QChar typedChar);
+
+private:
+    QScopedPointer<Indenter> m_indenter;
+};
+
+} // TextEditor
+
+#endif // SNIPPETEDITOR_H