findreplace.h

来自「WTL开发的一个写字板程序 ,很有借鉴意义」· C头文件 代码 · 共 370 行

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/*
 Copyright (c) 2000 
 Author: Konstantin Boukreev 
 E-mail: konstantin@mail.primorye.ru 

 Created: 07.07.2000 11:58:15
 Version: 1.0.0

*/

#ifndef _FindReplace_40f6ea36_72a8_489f_8ba8_cdd73efd19e1
#define _FindReplace_40f6ea36_72a8_489f_8ba8_cdd73efd19e1

#if _MSC_VER > 1000 
#pragma once
#endif // _MSC_VER > 1000

class FindReplace
{
public:
	CSimpleArray<TCHAR*> m_FindHistory;
	CSimpleArray<TCHAR*> m_ReplaceHistory;

	HICON m_hPinned;
	HICON m_hUnpinned;
		
	DWORD m_dwFlags;
	TCHAR m_szFindWhat[256];
	TCHAR m_szReplaceWith[256];
	HWND  m_hWndOwner;
	
	bool m_bPinned;

	FindReplace(bool bPinned = true) 
	{			
		m_szFindWhat[0] = '\0';
		m_szReplaceWith[0] = '\0';		
		m_hWndOwner = 0;
		m_bPinned = bPinned;
		m_dwFlags = FR_DOWN;

		m_hPinned = LoadIcon(_Module.m_hInstResource, MAKEINTRESOURCE(IDI_PINNED));			
		m_hUnpinned = LoadIcon(_Module.m_hInstResource, MAKEINTRESOURCE(IDI_UNPINNED));
	}

	~FindReplace() 
	{
		DestroyIcon(m_hPinned);
		DestroyIcon(m_hUnpinned);	

		int i;
		for (i = 0; i < m_FindHistory.GetSize(); i++)
			delete [] m_FindHistory[i];
			
		for (i = 0; i < m_ReplaceHistory.GetSize(); i++)
			delete [] m_ReplaceHistory[i];
	}
	
	LPCTSTR GetFindString() const {	return (LPCTSTR) m_szFindWhat; }
	LPCTSTR GetReplaceString() const { return (LPCTSTR)m_szReplaceWith; }
	
	BOOL SearchDown() const { return m_dwFlags & FR_DOWN ? TRUE : FALSE; }
	BOOL FindNext() const {	return m_dwFlags & FR_FINDNEXT ? TRUE : FALSE; }
	BOOL MatchCase() const { return m_dwFlags & FR_MATCHCASE ? TRUE : FALSE; }
	BOOL MatchWholeWord() const { return m_dwFlags & FR_WHOLEWORD ? TRUE : FALSE; }
	BOOL ReplaceCurrent() const { return m_dwFlags & FR_REPLACE ? TRUE : FALSE; }
	BOOL ReplaceAll() const	{ return m_dwFlags & FR_REPLACEALL ? TRUE : FALSE;	}
	BOOL IsTerminating() const { return m_dwFlags & FR_DIALOGTERM ? TRUE : FALSE; }

	static DWORD GetFindReplaceMsg() 
	{
		static const UINT nMsgFindReplace = ::RegisterWindowMessage(FINDMSGSTRING);
		return nMsgFindReplace;
	}
};

template <class T>
class FindReplaceDlgT 
	: public CDialogImpl<T>	
{
protected:

	FindReplace* m_fr;

public:
	FindReplaceDlgT() 		
	{
		m_fr = 0;
	}

	BEGIN_MSG_MAP(FindReplaceDlgT)
		COMMAND_ID_HANDLER(IDCANCEL, OnClose)
		MESSAGE_HANDLER(WM_ACTIVATE, OnActivate)
		MESSAGE_HANDLER(WM_SYSCOMMAND, OnSysCommand)		
	END_MSG_MAP()

	HWND CreateEx(FindReplace* fr) 
	{
		ATLASSERT(0 != fr);

		m_fr = fr;
		HWND hWnd =  CDialogImpl<T>::Create( m_fr->m_hWndOwner );

		ATLASSERT(m_hWnd == hWnd);
		ATLASSERT(0 != hWnd);

		return hWnd;
	}

protected:
	LRESULT OnClose(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& bHandled)
	{
		DestroyWindow();				
		bHandled = FALSE;
		return 0;
	}

	LRESULT OnActivate(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
	{
		bHandled = FALSE;

		WORD fActive = LOWORD(wParam);

		if ( !m_fr->m_bPinned && fActive == WA_INACTIVE )
		{			
			PostMessage(WM_CLOSE);
		}
		return 0;
	}
	
	LRESULT OnSysCommand(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
	{
		UINT nCommand = wParam & 0xFFF0;
		if ( nCommand == SC_MOUSEMENU || nCommand == SC_DEFAULT )
		{	
			m_fr->m_bPinned = !m_fr->m_bPinned;
			UpdateIcon();			
		}
		else
		{
			bHandled = FALSE;
		}
		return 0;
	}	
	
	void UpdateIcon()
	{
		if ( m_fr->m_bPinned )
		{
			SetIcon(m_fr->m_hPinned, TRUE);
			SetIcon(m_fr->m_hPinned, FALSE);
		}
		else 
		{
			SetIcon(m_fr->m_hUnpinned, TRUE);
			SetIcon(m_fr->m_hUnpinned, FALSE);
		}
	}	

	virtual void OnFinalMessage(HWND /*hWnd*/)
	{	
		m_fr->m_dwFlags &= ~(FR_FINDNEXT | FR_REPLACE | FR_REPLACEALL);
		m_fr->m_dwFlags |= FR_DIALOGTERM;
		::PostMessage(m_fr->m_hWndOwner, m_fr->GetFindReplaceMsg(), 0, (LPARAM)m_fr);
	}

	void FillCombo(DWORD dwCombo, CSimpleArray<TCHAR*>& ra)
	{
		CComboBox combo(GetDlgItem(dwCombo));
		
		for (int i = ra.GetSize() - 1; i >= 0 ; i--)
		{
			combo.AddString( ra[i] );
		}
	}

	void UpdateHistory(DWORD dwCombo, CSimpleArray<TCHAR*>& ra, TCHAR* pStr, DWORD cb)
	{
		int nLen = GetDlgItemText(dwCombo, pStr, cb);
		 
		ATLASSERT(nLen != 0);
		
		for (int i = 0; i < ra.GetSize(); i++ )
			if (lstrcmp(pStr, ra[i]) == 0) {
				delete [] ra[i];
				ra.RemoveAt(i);				
				break;
			}
					
		TCHAR* pAdd = new TCHAR[nLen + 1];
		lstrcpy(pAdd, pStr);
		ra.Add(pAdd);
	}
	
};

class FindDlg : 
	public FindReplaceDlgT<FindDlg>	
{	
	typedef FindReplaceDlgT<FindDlg> theBase;

public:
	
	enum { IDD = IDD_FIND };

	BEGIN_MSG_MAP(FindDlg)
		MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
		COMMAND_ID_HANDLER(IDOK, OnFind)
		COMMAND_HANDLER(IDC_COMBO_FIND, CBN_EDITCHANGE, OnUpdateUI)	
		COMMAND_HANDLER(IDC_COMBO_FIND, CBN_CLOSEUP, OnUpdateUI)		
		CHAIN_MSG_MAP(theBase)
	END_MSG_MAP()
		
//////////	
private:

	LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{	
		CenterWindow(GetParent());		
			
		FillCombo(IDC_COMBO_FIND, m_fr->m_FindHistory);
		
		CheckDlgButton(IDC_CHECK_WHOLE_WORD, m_fr->MatchWholeWord() ? BST_CHECKED : BST_UNCHECKED);
		CheckDlgButton(IDC_CHECK_CASE, m_fr->MatchCase() ? BST_CHECKED : BST_UNCHECKED);
		CheckRadioButton(IDC_RADIO_UP, IDC_RADIO_DOWN, m_fr->SearchDown() ? IDC_RADIO_DOWN : IDC_RADIO_UP);		
		SetDlgItemText(IDC_COMBO_FIND, m_fr->m_szFindWhat);

		BOOL b;
		OnUpdateUI(0, 0, 0, b);
		UpdateIcon();
		return 1;
	}

	LRESULT OnFind(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		UpdateHistory(IDC_COMBO_FIND, m_fr->m_FindHistory, m_fr->m_szFindWhat, 
			sizeof m_fr->m_szFindWhat / sizeof TCHAR);

		m_fr->m_dwFlags = FR_FINDNEXT;		
		m_fr->m_dwFlags |= ((IsDlgButtonChecked(IDC_CHECK_WHOLE_WORD) == BST_CHECKED) ? FR_WHOLEWORD : 0);
		m_fr->m_dwFlags |= ((IsDlgButtonChecked(IDC_CHECK_CASE) == BST_CHECKED) ? FR_MATCHCASE : 0);
		m_fr->m_dwFlags |= ((IsDlgButtonChecked(IDC_RADIO_DOWN) == BST_CHECKED) ? FR_DOWN : 0);
		
		::SendMessage(m_fr->m_hWndOwner, m_fr->GetFindReplaceMsg(), 0, (LPARAM)m_fr);

		if (!m_fr->m_bPinned)
			PostMessage(WM_CLOSE);

		return 0;
	}	

	LRESULT OnUpdateUI(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		BOOL bEnable = TRUE;
		if (wID != CBN_SELCHANGE) {			
			bEnable = ::GetWindowTextLength(GetDlgItem(IDC_COMBO_FIND)) ? TRUE : FALSE;
		}
		::EnableWindow(GetDlgItem(IDOK), bEnable);
		return 0;
	}
};

class ReplaceDlg : 
	public FindReplaceDlgT<ReplaceDlg>	
{	
	typedef FindReplaceDlgT<ReplaceDlg> theBase;

public:
	
	enum { IDD = IDD_REPLACE };

	BEGIN_MSG_MAP(FindDlg)
		MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
		COMMAND_ID_HANDLER(IDOK, OnFind)
		COMMAND_ID_HANDLER(IDC_BUTTON_REPLACE, OnFind)
		COMMAND_ID_HANDLER(IDC_BUTTON_REPLACE_ALL, OnFind)
		COMMAND_HANDLER(IDC_COMBO_FIND, CBN_EDITCHANGE, OnUpdateUI)	
		COMMAND_HANDLER(IDC_COMBO_FIND, CBN_CLOSEUP, OnUpdateUI)		
		COMMAND_HANDLER(IDC_COMBO_REPLACE, CBN_EDITCHANGE, OnUpdateUI_Replace)	
		COMMAND_HANDLER(IDC_COMBO_REPLACE, CBN_CLOSEUP, OnUpdateUI_Replace)		
		CHAIN_MSG_MAP(theBase)
	END_MSG_MAP()
		
//////////	
private:

	LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{	
		CenterWindow(GetParent());		
		
		FillCombo(IDC_COMBO_FIND, m_fr->m_FindHistory);
		FillCombo(IDC_COMBO_REPLACE, m_fr->m_ReplaceHistory);

		CheckDlgButton(IDC_CHECK_WHOLE_WORD, m_fr->MatchWholeWord() ? BST_CHECKED : BST_UNCHECKED);
		CheckDlgButton(IDC_CHECK_CASE, m_fr->MatchCase() ? BST_CHECKED : BST_UNCHECKED);
		
		SetDlgItemText(IDC_COMBO_FIND, m_fr->m_szFindWhat);
		SetDlgItemText(IDC_COMBO_REPLACE, m_fr->m_szReplaceWith);

		BOOL b;
		OnUpdateUI(0, 0, 0, b);
		OnUpdateUI_Replace(0, 0, 0, b);
		UpdateIcon();
		return 1;
	}

	LRESULT OnFind(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		UpdateHistory(IDC_COMBO_FIND, m_fr->m_FindHistory, m_fr->m_szFindWhat, 
			sizeof m_fr->m_szFindWhat / sizeof TCHAR);

		if (wID != IDOK)
			UpdateHistory(IDC_COMBO_REPLACE, m_fr->m_ReplaceHistory, m_fr->m_szReplaceWith, 
				sizeof m_fr->m_szReplaceWith/ sizeof TCHAR);

		if (wID == IDOK)
			m_fr->m_dwFlags = FR_FINDNEXT;		
		else if (wID == IDC_BUTTON_REPLACE)
			m_fr->m_dwFlags = FR_REPLACE;		
		else if (wID == IDC_BUTTON_REPLACE_ALL)
			m_fr->m_dwFlags = FR_REPLACEALL;	
		else
			ATLASSERT(0);

		m_fr->m_dwFlags |= ((IsDlgButtonChecked(IDC_CHECK_WHOLE_WORD) == BST_CHECKED) ? FR_WHOLEWORD : 0);
		m_fr->m_dwFlags |= ((IsDlgButtonChecked(IDC_CHECK_CASE) == BST_CHECKED) ? FR_MATCHCASE : 0);
		m_fr->m_dwFlags |= FR_DOWN;
		
		::SendMessage(m_fr->m_hWndOwner, m_fr->GetFindReplaceMsg(), 0, (LPARAM)m_fr);

		if (!m_fr->m_bPinned)
			PostMessage(WM_CLOSE);

		return 0;
	}	

	LRESULT OnUpdateUI(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		BOOL bEnable = TRUE;
		if (wID != CBN_SELCHANGE) {			
			bEnable = ::GetWindowTextLength(GetDlgItem(IDC_COMBO_FIND)) ? TRUE : FALSE;
		}

		::EnableWindow(GetDlgItem(IDOK), bEnable);				 
		if (!bEnable) {
			::EnableWindow(GetDlgItem(IDC_BUTTON_REPLACE), bEnable);
			::EnableWindow(GetDlgItem(IDC_BUTTON_REPLACE_ALL), bEnable);		
		}
		return 0;
	}

	LRESULT OnUpdateUI_Replace(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		BOOL bEnable = ::GetWindowTextLength(GetDlgItem(IDC_COMBO_FIND)) ? TRUE : FALSE;

		if (bEnable && (wID != CBN_SELCHANGE)) {			
			bEnable = ::GetWindowTextLength(GetDlgItem(IDC_COMBO_REPLACE)) ? TRUE : FALSE;
		}

		::EnableWindow(GetDlgItem(IDC_BUTTON_REPLACE), bEnable);
		::EnableWindow(GetDlgItem(IDC_BUTTON_REPLACE_ALL), bEnable);		
		return 0;
	}
	
};


#endif //_FindReplace_40f6ea36_72a8_489f_8ba8_cdd73efd19e1

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