LineNumberArea.h

/*$!{
* Aurora Clang AST Viewer (ACAV)
* 
* Copyright (c) 2026 Min Liu
* Copyright (c) 2026 Michael David Adams
* 
* SPDX-License-Identifier: GPL-2.0-or-later
* 
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <https://www.gnu.org/licenses/>.
}$!*/
 
#pragma once
 
#include <QWidget>
 
namespace acav {
 
class SourceCodeView;  // Forward declaration

class LineNumberArea : public QWidget {
  Q_OBJECT
 
public:
  explicit LineNumberArea(SourceCodeView *editor);

  QSize sizeHint() const override;
 
protected:
  void paintEvent(QPaintEvent *event) override;
 
private:
  SourceCodeView *codeEditor_;  // Non-owning pointer to parent editor
};
 
} // namespace acav