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