wxWidgets/include/wx/generic/treelay.h

139 lines
4.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: treelay.h
// Purpose: wxTreeLayout class
// Author: Julian Smart
// Modified by:
// Created: 7/4/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Julian Smart
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_TREELAY_H_
#define _WX_TREELAY_H_
#ifdef __GNUG__
#pragma interface "wxtree.h"
#endif
#include <wx/string.h>
class WXDLLEXPORT wxTreeLayout: public wxObject
{
DECLARE_ABSTRACT_CLASS(wxTreeLayout)
public:
wxTreeLayout();
// Redefine these
virtual void GetChildren(long id, wxList& list) = 0;
virtual long GetNextNode(long id) = 0;
virtual long GetNodeParent(long id) = 0;
virtual long GetNodeX(long id) = 0;
virtual long GetNodeY(long id) = 0;
virtual void SetNodeX(long id, long x) = 0;
virtual void SetNodeY(long id, long y) = 0;
virtual void ActivateNode(long id, bool active) = 0;
virtual bool NodeActive(long id) = 0;
// Optional redefinition
void Initialize(void);
inline virtual void SetNodeName(long id, const wxString& name) {}
inline virtual wxString GetNodeName(long id) { return wxString(""); }
virtual void GetNodeSize(long id, long *x, long *y, wxDC& dc);
virtual void Draw(wxDC& dc);
virtual void DrawNodes(wxDC& dc);
virtual void DrawBranches(wxDC& dc);
virtual void DrawNode(long id, wxDC& dc);
virtual void DrawBranch(long from, long to, wxDC& dc);
// Don't redefine
virtual void DoLayout(wxDC& dc, long topNode = -1);
// Accessors -- don't redefine
inline void SetTopNode(long id) { m_parentNode = id; }
inline long GetTopNode(void) const { return m_parentNode; }
inline void SetSpacing(long x, long y) { m_xSpacing = x; m_ySpacing = y; }
inline long GetXSpacing(void) const { return m_xSpacing; }
inline long GetYSpacing(void) const { return m_ySpacing; }
inline void SetMargins(long x, long y) { m_leftMargin = x; m_topMargin = y; }
inline long GetTopMargin(void) const { return m_topMargin; }
inline long GetLeftMargin(void) const { return m_leftMargin; }
inline bool GetOrientation(void) const { return m_orientation; }
inline void SetOrientation(bool or) { m_orientation = or; }
private:
void CalcLayout(long node_id, int level, wxDC& dc);
// Members
protected:
long m_parentNode;
long m_lastY;
long m_lastX;
long m_xSpacing;
long m_ySpacing;
long m_topMargin;
long m_leftMargin;
bool m_orientation; // TRUE for top-to-bottom, FALSE for left-to-right
};
class WXDLLEXPORT wxStoredNode
{
public:
wxString m_name;
long m_x, m_y;
long m_parentId;
bool m_active;
long m_clientData;
};
/*
* A version of wxTreeLayout with storage for nodes
*/
class WXDLLEXPORT wxLayoutTreeStored: public wxTreeLayout
{
DECLARE_DYNAMIC_CLASS(wxLayoutTreeStored)
public:
wxLayoutTreeStored(int noNodes = 200);
~wxLayoutTreeStored(void);
void Initialize(int n);
wxString HitTest(wxMouseEvent& event, wxDC& dc);
wxStoredNode* GetNode(long id) const;
inline int GetNumNodes() const { return m_maxNodes; };
inline int GetNodeCount() const { return m_num; };
virtual void GetChildren(long id, wxList& list);
virtual long GetNextNode(long id);
virtual long GetNodeParent(long id);
virtual long GetNodeX(long id);
virtual long GetNodeY(long id);
virtual void SetNodeX(long id, long x);
virtual void SetNodeY(long id, long y);
virtual void SetNodeName(long id, const wxString& name);
virtual wxString GetNodeName(long id);
virtual void ActivateNode(long id, bool active);
virtual bool NodeActive(long id);
virtual void SetClientData(long id, long clientData);
virtual long GetClientData(long id) const;
virtual long AddChild(const wxString& name, const wxString& parent = "");
virtual long NameToId(const wxString& name);
// Data members
private:
wxStoredNode* m_nodes;
int m_num;
int m_maxNodes;
};
// For backward compatibility
#define wxStoredTree wxLayoutTreeStored
#endif
// _WX_TREELAY_H_