fileopen.cpp

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#define	STRICT
#include	<windows.h>
#include	<windowsx.h>
#include	<commctrl.h>
#include	<commdlg.h>
#include	<tchar.h>
#include	"basewin.h"
#include	"resource.h"
#include	"tools.h"
#include	"fileopen.h"

#define		GawaroBaseKey	TEXT("Software\\Gawaro")
#define		MAX_RECENT		10

extern	HFONT	CreateListboxFont() ;

/*-------------------------------------------------------------------------*
 * FileOpen 僟僀傾儘僌
 *-------------------------------------------------------------------------*/
class FileOpenDialog : public Window {
	BOOL			m_fSave ;
	OPENFILENAME	*m_pOfn ;
	TCHAR		m_sWildCard[ MAX_PATH ] ;
	TCHAR		m_sFile[ MAX_PATH ] ;
	TCHAR		m_sDir[ MAX_PATH ] ;
	HFONT		m_hFont ;
	LPCTSTR		m_pAppName ;
	BOOL		m_fRecent ;

public:
	FileOpenDialog( OPENFILENAME *pOfn, BOOL fSave, LPCTSTR pAppName ) ;
	~FileOpenDialog() ;

	LPCTSTR	GetText() const { return m_sFile ; }
	LPCTSTR	GetDir() const { return m_sDir ; }

	void	WMCreate( HWND hDlg ) ;
	LRESULT	WMCommand( HWND hDlg, UINT msg, WPARAM wp, LPARAM lp ) ;

	BOOL	EnumDir( HWND hWnd, LPDWORD pCount, LPDWORD pMem ) ;
	BOOL	ListDir( HWND hWnd, LPCTSTR pPrevDir ) ;
	void	InitListDir( HWND hWnd ) ;
	BOOL	ChangeDir( HWND hDlg, LPBOOL pDone ) ;
	BOOL	EnumRecent( HWND hWnd ) ;
	BOOL	SelectRecent( HWND hDlg ) ;

	static LPCTSTR	c_sDir ;
	static LPCTSTR	c_sPatDir ;
	static LPCTSTR	c_sPatFile ;
} ;

LPCTSTR	FileOpenDialog::c_sDir = TEXT("   <DIR>") ;
LPCTSTR	FileOpenDialog::c_sPatDir = TEXT(" %s\t%s") ;
LPCTSTR	FileOpenDialog::c_sPatFile = TEXT("%s\t%8d") ;

FileOpenDialog::FileOpenDialog( OPENFILENAME *pOfn, BOOL fSave, LPCTSTR pAppName )
{
	LPCTSTR			ptr ;

	m_fSave = fSave ;
	m_pOfn = pOfn ;
	/* 僼僅儞僩傪庢摼偡傞 */
	m_hFont = CreateListboxFont() ;
	/* 儚僀儖僪僇乕僪傪嶌惉偡傞 */
	_tcscpy( m_sWildCard, TEXT("*.*") ) ;
	ptr = pOfn->lpstrFilter ;
	if ( ptr && *ptr ) {
		ptr += _tcslen( ptr ) + 1 ;
		if ( *ptr ) {
			_tcscpy( m_sWildCard, ptr ) ;
		}
	}
	_tcscpy( m_sFile, pOfn->lpstrFile       ? pOfn->lpstrFile       : TEXT("") ) ;
	_tcscpy( m_sDir,  pOfn->lpstrInitialDir ? pOfn->lpstrInitialDir : TEXT("\\") ) ;
	m_pAppName = pAppName ;
	m_fRecent = pAppName ? TRUE : FALSE ;
}

FileOpenDialog::~FileOpenDialog()
{
	DeleteObject( m_hFont ) ;
}

void
FileOpenDialog::WMCreate( HWND hDlg )
{
	DWORD	w ;
	RECT	rect ;
	int		tabs[ 1 ] ;
	HWND	hWnd = GetDlgItem( hDlg, IDC_LST_FILE ) ;
	LPCTSTR	pszTitle ;

	/* 僟僀傾儘僌僞僀僩儖傪愝掕偡傞 */
	if ( m_pOfn->lpstrTitle ) {
		pszTitle = m_pOfn->lpstrTitle ;
	} else if ( m_fSave ) {
		pszTitle = TEXT("Save As") ;
	} else {
		pszTitle = TEXT("Open") ;
	}
	SetWindowText( hDlg, pszTitle ) ;
	/* 僨傿儗僋僩儕儕僗僩偺僼僅儞僩傪愝掕偡傞 */
	SendMessage( hWnd, WM_SETFONT, (WPARAM) m_hFont, (LPARAM) TRUE ) ;
	/* TAB偺埵抲傪愝掕偡傞 */
	GetClientRect( hDlg, &rect ) ;
	w = rect.right - 8 * 10 ;
	tabs[0] = w / ((LOWORD(GetDialogBaseUnits()) + 3) / 4) ;
	SendMessage( hWnd, LB_SETTABSTOPS, 1, (LPARAM) tabs ) ;

	if ( m_fRecent ) {
		/* 嵟怴偺僼傽僀儖堦棗傪摼傞 */
		if ( EnumRecent( hWnd ) ) {
			/* 僇儗儞僩僨傿儗僋僩儕傪昞帵偡傞 */
			SetDlgItemText( hDlg, IDC_CAP_DIR, TEXT("Recent Files...") ) ;
			return ;
		}
	}
	/* 僨傿儗僋僩儕撪梕傪弶婜昞帵偡傞 */
	InitListDir( hWnd ) ;
	/* 僇儗儞僩僨傿儗僋僩儕傪昞帵偡傞 */
	SetDlgItemText( hDlg, IDC_CAP_DIR, m_sDir ) ;
	/* 僨傿儗僋僩儕儕僗僩偺慖戰傪夝彍偡傞 */
	SendMessage( hWnd, LB_SETCURSEL, (WPARAM) LB_ERR, 0 ) ;
}

LRESULT
FileOpenDialog::WMCommand( HWND hDlg, UINT msg, WPARAM wp, LPARAM lp )
{
	LPTSTR	ptr ;
	BOOL	fDone ;
	HWND	hCtrl ;
	DWORD	index ;
	TCHAR	buf[ MAX_PATH ] ;

	hCtrl = GetDlgItem( hDlg, IDC_LST_FILE ) ;
	switch ( GET_WM_COMMAND_ID( wp, lp ) ) {
	case IDCANCEL:
		EndDialog( hDlg, FALSE ) ;
		return TRUE ;
	case IDC_BTN_DIR:
		if ( m_fRecent ) {
			/* 僨傿儗僋僩儕撪梕傪弶婜昞帵偡傞 */
			InitListDir( hCtrl ) ;
			/* 僇儗儞僩僨傿儗僋僩儕傪昞帵偡傞 */
			SetDlgItemText( hDlg, IDC_CAP_DIR, m_sDir ) ;
			/* 僨傿儗僋僩儕堦棗偵僼僅乕僇僗堏摦 */
			SetFocus( hCtrl ) ;
		}
		return TRUE ;
	case IDC_LST_FILE:
		switch ( GET_WM_COMMAND_CMD( wp, lp ) ) {
		case LBN_SELCHANGE:
			if ( m_fRecent ) {
				break ;
			}
			index = SendDlgItemMessage( hDlg, IDC_LST_FILE, LB_GETCURSEL, 0, 0 ) ;
			if ( index == LB_ERR ) {
				break ;
			}
			SendDlgItemMessage( hDlg, IDC_LST_FILE, LB_GETTEXT, (WPARAM) index, (LPARAM) buf ) ;
			ptr = _tcschr( buf, TEXT('\t') ) ;
			if ( ptr ) {
				if ( !_tcsicmp( ptr + 1, c_sDir ) ) {
					*buf = 0 ;
				} else {
					*ptr = 0 ;
				}
			} else {
				*buf = 0 ;
			}
			SetDlgItemText( hDlg, IDC_EDT_FILE, buf ) ;
			return TRUE ;
		case LBN_DBLCLK:
			if ( m_fRecent ) {
				if ( SelectRecent( hDlg ) ) {
					EndDialog( hDlg, TRUE ) ;
				}
			} else {
				if ( ChangeDir( hDlg, &fDone ) ) {
					if ( fDone ) {
						EndDialog( hDlg, TRUE ) ;
					}
					return TRUE ;
				}
			}
			break ;
		}
		break ;
	case IDOK:
		if ( GetFocus() == hCtrl ) {
			SendMessage( hDlg, WM_COMMAND, MAKELONG(IDC_LST_FILE, LBN_DBLCLK), 0 ) ;
			return TRUE ;
		} else if ( m_fRecent ) {
			/* 僨傿儗僋僩儕撪梕傪弶婜昞帵偡傞 */
			InitListDir( hCtrl ) ;
			/* 僇儗儞僩僨傿儗僋僩儕傪昞帵偡傞 */
			SetDlgItemText( hDlg, IDC_CAP_DIR, m_sDir ) ;
			/* 僨傿儗僋僩儕堦棗偵僼僅乕僇僗堏摦 */
			SetFocus( hCtrl ) ;
			return TRUE ;
		}
		GetDlgItemText( hDlg, IDC_EDT_FILE, buf, MAX_PATH ) ;
		if ( !*buf ) {
			SetFocus( hCtrl ) ;
			return TRUE ;
		}
		ptr = _tcsrchr( buf, TEXT('.') ) ;
		if ( !ptr ) {
			/* 奼挘巕偑偮偄偰偄側偄応崌 */
			if ( m_pOfn->lpstrDefExt ) {
				/* 僨僼僅儖僩偺奼挘巕傪偮偗傞 */
				_tcscat( buf, TEXT(".") ) ;
				_tcscat( buf, m_pOfn->lpstrDefExt ) ;
			}
		} else if ( !*(ptr + 1) ) {
			/* 嵟屻偵偮偗偨僺儕僆僪偼嶍傞 */
			*ptr = 0 ;
		}
		_tcscpy( m_sFile, m_sDir ) ;
		catdir( m_sFile, buf, NULL ) ;
		EndDialog( hDlg, TRUE ) ;
		return TRUE ;
	}
	return 0 ;
}

BOOL
FileOpenDialog::EnumDir( HWND hWnd, LPDWORD pCount, LPDWORD pMem )
{
	WIN32_FIND_DATA	find ;
	HANDLE			hFind ;
	BOOL			fAdd = !pCount && !pMem ;
	TCHAR			findPath[ MAX_PATH ], *ptr ;
	DWORD			count = 0, num_mem = 0, attr ;

	attr = GetFileAttributes( m_sDir ) ;
	if ( attr == 0xFFFFFFFF || !(attr & FILE_ATTRIBUTE_DIRECTORY) ) {
		return FALSE ;
	}
	if ( m_sDir && _tcscmp( m_sDir, TEXT("\\") ) ) {
		/* 恊僨傿儗僋僩儕傊偺僄儞僩儕傪嶌惉偡傞 */
		wsprintf( findPath, c_sPatDir, TEXT(".."), c_sDir ) ;
		if ( fAdd ) {
			SendMessage( hWnd, LB_ADDSTRING, 0, (LPARAM) findPath ) ;
		} else {
			count ++ ;
			num_mem += _tcslen( findPath ) ;
		}
	}
	/* 僨傿儗僋僩儕専嶕梡偺儚僀儖僪僇乕僪傪嶌惉偡傞 */
	_tcscpy( findPath, m_sDir ) ;
	catdir( findPath, TEXT("*.*"), NULL ) ;
	/* 僨傿儗僋僩儕傪専嶕偡傞 */
	hFind = FindFirstFile( findPath, &find ) ;
	if ( hFind != INVALID_HANDLE_VALUE ) {
		do {
			if ( !_tcscmp( find.cFileName, TEXT(".") ) ) {
				continue ;
			} else if ( !_tcscmp( find.cFileName, TEXT("..") ) ) {
				continue ;
			} else if ( !(find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ) {
				continue ;
			}
			wsprintf( findPath, c_sPatDir, find.cFileName, c_sDir ) ;
			if ( fAdd ) {
				/* 儕僗僩儃僢僋僗偵崁栚傪捛壛偡傞 */
				SendMessage( hWnd, LB_ADDSTRING, 0, (LPARAM) findPath ) ;
			} else {
				count ++ ;
				num_mem += _tcslen( findPath ) + 1 ;
			}
		} while ( FindNextFile( hFind, &find ) ) ;
		FindClose( hFind ) ;
	}
	/* 僼傽僀儖専嶕梡偺儚僀儖僪僇乕僪傪嶌惉偡傞 */
	_tcscpy( findPath, m_sDir ) ;
	catdir( findPath, m_sWildCard, NULL ) ;
	/* 僼傽僀儖傪専嶕偡傞 */
	hFind = FindFirstFile( findPath, &find ) ;
	if ( hFind != INVALID_HANDLE_VALUE ) {
		do {
			if ( find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) {
				continue ;
#ifdef	_WIN32_WCE
			} else if ( find.dwFileAttributes & FILE_ATTRIBUTE_INROM ) {
				continue ;
			} else if ( find.dwFileAttributes & FILE_ATTRIBUTE_ROMSTATICREF ) {
				continue ;
			} else if ( find.dwFileAttributes & FILE_ATTRIBUTE_ROMMODULE ) {
				continue ;
#endif	/* _WIN32_WCE */
			}
			/* 僶僀僫儕僼傽僀儖偼彍奜 */
			ptr = _tcsrchr( find.cFileName, TEXT('.') ) ;
			if ( ptr ) {
				if ( !_tcsicmp( ptr, TEXT(".BMP") ) ) {
					continue ;
				} else if ( !_tcsicmp( ptr, TEXT(".2BP") ) ) {