2025-11-27 16:46:48 +09:00

144 lines
4.3 KiB
C++

// ==========================================================================
// Class Specification : COXGridHeader
// ==========================================================================
// Header file : OXGridHdr.h
// Version: 9.3
// This software along with its related components, documentation and files ("The Libraries")
// is © 1994-2007 The Code Project (1612916 Ontario Limited) and use of The Libraries is
// governed by a software license agreement ("Agreement"). Copies of the Agreement are
// available at The Code Project (www.codeproject.com), as part of the package you downloaded
// to obtain this file, or directly from our office. For a copy of the license governing
// this software, you may contact us at legalaffairs@codeproject.com, or by calling 416-849-8900.
// //////////////////////////////////////////////////////////////////////////
// Properties:
// NO Abstract class (does not have any objects)
// YES Derived from CHeaderCtrl
// YES Is a Cwnd.
// YES Two stage creation (constructor & Create())
// YES Has a message map
// NO Needs a resource (template)
// NO Persistent objects (saveable on disk)
// NO Uses exceptions
// //////////////////////////////////////////////////////////////////////////
// Desciption :
// This class is used to subclass the Header control of a list control (during column resizing)
// Remark:
// To prevent the resizing cursor to appear when grid in no resizing mode
// Prerequisites (necessary conditions):
/////////////////////////////////////////////////////////////////////////////
#ifndef __OXGRIDHDR_H__
#define __OXGRIDHDR_H__
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#include "OXDllExt.h"
#include "OXUxTheme.h"
class OX_CLASS_DECL COXGridHeader : public CHeaderCtrl
{
friend class COXGridList;
DECLARE_DYNAMIC(COXGridHeader);
// Data members -------------------------------------------------------------
public:
protected:
COXUxTheme m_UxTheme;
BOOL m_bResizing;
int m_nSortCol;
int m_nSortOrder;
private:
// Member functions ---------------------------------------------------------
public:
COXGridHeader();
// --- In :
// --- Out :
// --- Returns :
// --- Effect : Constructs the object
BOOL SortColumn(int nCol, int nSortOrder);
// --- In : nCol - sorted column
// nSortOrder - sorting order:
// 1 - ascending
// -1 - descending
// 0 - no sorting
// --- Out :
// --- Returns: TRUE if header columns were successfully overdrawn to show
// visual hints on sorted column and sort direction
// --- Effect : Redraw header control in order to show visual hints on sorted
// column and sort direction
#ifdef _DEBUG
virtual void AssertValid() const;
// --- In :
// --- Out :
// --- Returns :
// --- Effect : AssertValid performs a validity check on this object
// by checking its internal state.
// In the Debug version of the library, AssertValid may assert and
// thus terminate the program.
virtual void Dump(CDumpContext& dc) const;
// --- In : dc : The diagnostic dump context for dumping, usually afxDump.
// --- Out :
// --- Returns :
// --- Effect : Dumps the contents of the object to a CDumpContext object.
// It provides diagnostic services for yourself and
// other users of your class.
// Note The Dump function does not print a newline character
// at the end of its output.
#endif
virtual ~COXGridHeader();
// --- In :
// --- Out :
// --- Returns :
// --- Effect : Destructor of the object
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(COXGridHeader)
//}}AFX_VIRTUAL
protected:
virtual void DrawItem( LPDRAWITEMSTRUCT lpDrawItemStruct );
//{{AFX_MSG(COXGridHeader)
afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
afx_msg void OnDestroy();
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
//}}AFX_MSG
afx_msg BOOL OnHdrCtrlNotify(NMHDR* pNMHDR, LRESULT* pResult);
virtual void PreSubclassWindow();
DECLARE_MESSAGE_MAP()
private:
static LRESULT CALLBACK MouseProc(int nCode, WPARAM wParam, LPARAM lParam);
static HHOOK m_hMouseHook;
static HWND m_hwndPrevMouseMoveWnd;
};
#endif // __OXGRIDHDR_H__
// ==========================================================================