#pragma once
 
#ifndef TNZ_PANEL_INCLUDED
#define TNZ_PANEL_INCLUDED
 
#include "tw/tw.h"
#include "tw/button.h"
 
class TPanel : public TWidget {
  int m_border, m_resizeHandleWidth;
  TWidget *m_dockWidget;
  TButton *m_maximizeButton;
  bool m_maximized;
  int m_status;
 
public:
  enum Side { Center, Top, Right, Bottom, Left };
 
public:
  TPanel(TWidget *parent, string name);
 
  void draw();
  void keyDown(int key, TUINT32 flags, const TPoint &p);
  void close();
 
  void dockToggle();
  void maximizeToggle();
 
  void configureNotify(const TDimension &d);
  void mouseMove(const TPoint &p);
  void leftButtonDown(const TMouseEvent &e);
  void leftButtonUp(const TMouseEvent &e);
 
  void leave(const TPoint &p);
  void enter(const TPoint &p);
 
  Side findSide(const TPoint &p);
  bool canMoveSide(Side side);
 
  static TPanel *createPanel(TWidget *parent, string name);
  void setParent(TWidget *p) {
    TWidget::setParent(p);
    m_dockWidget = p;
  };
};
 
class TPanelResizer {
public:
  TPanelResizer(){};
  virtual bool canMoveSide(TPanel *panel, TPanel::Side side) = 0;
  virtual void moveSide(TPanel *panel, TPanel::Side side)    = 0;
};
 
#endif