Using CodeProject - A Day In the Life of an Application - Part 3 of 5

// This is part of the Professional User Interface Suite library.
// Copyright (C) 2001-2004 FOSS Software, Inc.
// All rights reserved.
//
// http://www.prof-uis.com
// http://www.fossware.com
// mailto:foss@fossware.com

// Warranties and Disclaimers:
// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND
// INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
// IN NO EVENT WILL FOSS SOFTWARE INC. BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES,
// INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OR INACCURACY OF DATA,
// INCURRED BY ANY PERSON FROM SUCH PERSON'S USAGE OF THIS SOFTWARE
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

#if (!defined __EXT_STATUSCONTROLBAR_H)
#define __EXT_STATUSCONTROLBAR_H

#include <afxtempl.h>

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// ExtStatusControlBar.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CExtStatusControlBar window

class CExtStatusControlBar : public CStatusBar
{
// Construction
public:

	CExtStatusControlBar();

// Attributes
public:

	// Operations
public:
	
	int GetPanesCount() const{
		return m_nCount;
	}
	
	void SetPaneWidth(int nIndex, int nWidth)
	{
		_STATUSBAR_PANE_ pane;
		PaneInfoGet(nIndex, &pane);
		pane.cxText = nWidth;
		PaneInfoSet(nIndex, &pane);
	}
	
	BOOL AddPane(
		UINT nID,	// ID of the  pane
		int nIndex	// index of the pane
		);

	BOOL RemovePane(
		UINT nID	// ID of the pane
		);

	BOOL AddPaneControl(CWnd* pWnd, UINT nID, BOOL bAutoDestroy)
	{
		return AddPaneControl( pWnd->GetSafeHwnd(), nID, bAutoDestroy);
	}
	
	BOOL AddPaneControl(HWND hWnd, UINT nID, BOOL bAutoDestroy);
	
	void DisableControl( int nIndex, BOOL bDisable=TRUE)
	{
		UINT uItemID = GetItemID(nIndex);
		for ( int i = 0; i < m_arrPaneControls.GetSize(); i++ ){
			if( uItemID == m_arrPaneControls[i]->nID ){
				if( m_arrPaneControls[i]->hWnd && ::IsWindow(m_arrPaneControls[i]->hWnd) ) {
					::EnableWindow(m_arrPaneControls[i]->hWnd, bDisable); 
				}
			}
		}
	}

	void SetPaneInfo(int nIndex, UINT nID, UINT nStyle, int cxWidth)
	{
		CStatusBar::SetPaneInfo(nIndex, nID, nStyle, cxWidth);
		BOOL bDisabled = ((nStyle&SBPS_DISABLED) == 0);
		DisableControl(nIndex, bDisabled);
	}

	void SetPaneStyle(int nIndex, UINT nStyle)
	{
		CStatusBar::SetPaneStyle(nIndex, nStyle);
		BOOL bDisabled = ((nStyle&SBPS_DISABLED) == 0);
		DisableControl(nIndex, bDisabled);
	}
	
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CExtStatusControlBar)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CExtStatusControlBar();

protected:

	struct _STATUSBAR_PANE_
	{
		_STATUSBAR_PANE_(){
			nID = cxText = nStyle = nFlags = 0;
		}
		
		UINT    nID;        // IDC of indicator: 0 => normal text area
		int     cxText;     // width of string area in pixels
		//   on both sides there is a 3 pixel gap and
		//   a one pixel border, making a pane 6 pixels wider
		UINT    nStyle;     // style flags (SBPS_*)
		UINT    nFlags;     // state flags (SBPF_*)
		CString strText;    // text in the pane
	};
	
	struct _STATUSBAR_PANE_CTRL_
	{
		HWND hWnd;
		UINT nID;
		BOOL bAutoDestroy;		
	};

	CArray < _STATUSBAR_PANE_CTRL_*, _STATUSBAR_PANE_CTRL_* > m_arrPaneControls; 
	
	_STATUSBAR_PANE_* GetPanePtr(int nIndex) const
	{
		ASSERT((nIndex >= 0 && nIndex < m_nCount) || m_nCount == 0);
		return ((_STATUSBAR_PANE_*)m_pData) + nIndex;
	}
	
	BOOL PaneInfoGet(int nIndex, _STATUSBAR_PANE_* pPane);
	BOOL PaneInfoSet(int nIndex, _STATUSBAR_PANE_* pPane);
	
	void RepositionControls();
	
	// Generated message map functions
protected:
	//{{AFX_MSG(CExtStatusControlBar)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // __EXT_STATUSCONTROLBAR_H