www.pudn.com > 44w.rar > ListView.cpp

#include  
#include  
#include  
#include  
#include "listview.h" 
#include "resource.h" 
#include "AccessEnum.h" 
 
 
void InitListViewColumns( HWND hListView, const LISTVIEW_COLUMN * Cols, int numColumns, long style ) 
{ 
	HKEY	hKey; 
	DWORD	valLength; 
	TCHAR	colName[32]; 
	RECT	rc; 
 
	// Get window sizes 
	rc.left = -1; 
	rc.top = -1; 
	RegCreateKey(HKEY_CURRENT_USER, _T("Software\\Sysinternals\\ShareEnum"), &hKey ); 
	valLength = sizeof(DWORD); 
	RegQueryValueEx( hKey, _T("x"), NULL, NULL, (LPBYTE) &rc.left, 
			&valLength ); 
	RegQueryValueEx( hKey, _T("y"), NULL, NULL, (LPBYTE) &rc.top, 
			&valLength ); 
	RegQueryValueEx( hKey, _T("w"), NULL, NULL, (LPBYTE) &rc.right, 
			&valLength ); 
	RegQueryValueEx( hKey, _T("h"), NULL, NULL, (LPBYTE) &rc.bottom, 
			&valLength ); 
	if( rc.left != -1 && rc.top != -1 )  
		MoveWindow( GetParent( hListView), rc.left, rc.top, rc.right, rc.bottom, TRUE ); 
 
	// Set listview styles 
	ListView_SetExtendedListViewStyleEx( hListView, style, style ); 
 
	// Create columns 
	for ( int i = 0; i < numColumns; ++i )  { 
		LVCOLUMN	col = { 0 }; 
		col.mask	= LVCF_TEXT | LVCF_WIDTH; 
		col.pszText	= (TCHAR *)Cols[i].Title; 
		col.cx		= Cols[i].Width; 
 
		_stprintf( colName, _T("Column%d"), i ); 
		valLength = sizeof(DWORD); 
		RegQueryValueEx( hKey,colName, NULL, NULL, (LPBYTE) &col.cx, 
				&valLength ); 
		ListView_InsertColumn( hListView, i, &col ); 
	} 
	RegCloseKey( hKey ); 
 
	HINSTANCE hInstance = GetModuleHandle(NULL); 
	// Create image list (order corresponds to LISTVIEW_IMG_* enumeration) 
	HIMAGELIST	hImageList	= ImageList_Create( GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), ILC_COLORDDB, 10, 30 ); 
	UINT		loadFlags	= LR_DEFAULTCOLOR | LR_LOADTRANSPARENT | LR_SHARED; 
 
	ImageList_SetBkColor( hImageList, GetSysColor(COLOR_BTNFACE) ); 
	ImageList_AddIcon( hImageList, (HICON) LoadImage( hInstance, MAKEINTRESOURCE(IDI_DOWNARROW),	IMAGE_ICON, 16, 16, loadFlags ) ); 
	ImageList_AddIcon( hImageList, (HICON) LoadImage( hInstance, MAKEINTRESOURCE(IDI_UPARROW),		IMAGE_ICON, 16, 16, loadFlags ) ); 
	ImageList_SetBkColor( hImageList, GetSysColor(COLOR_WINDOW) ); 
 
	ListView_SetImageList( hListView, hImageList, LVSIL_SMALL ); 
} 
 
void SaveListViewColumns( HWND hListView ) 
{ 
	HKEY	hKey; 
	DWORD	valLength; 
	TCHAR	colName[32]; 
	RECT	rc; 
	DWORD	width; 
 
	// Get window sizes 
	GetWindowRect( GetParent( hListView), &rc );  
	rc.right -= rc.left; 
	rc.bottom -= rc.top; 
	RegCreateKey(HKEY_CURRENT_USER, _T("Software\\Sysinternals\\ShareEnum"), &hKey ); 
	valLength = sizeof(DWORD); 
	RegSetValueEx( hKey, _T("x"), NULL, REG_DWORD, (LPBYTE) &rc.left, 
			sizeof( DWORD) ); 
	RegSetValueEx( hKey, _T("y"), NULL, REG_DWORD, (LPBYTE) &rc.top, 
			sizeof( DWORD)  ); 
	RegSetValueEx( hKey, _T("w"), NULL, REG_DWORD, (LPBYTE) &rc.right, 
			sizeof( DWORD)  ); 
	RegSetValueEx( hKey, _T("h"), NULL, REG_DWORD, (LPBYTE) &rc.bottom, 
			sizeof( DWORD)  ); 
	if( rc.left != -1 && rc.top != -1 )  
		SetWindowPos( GetParent( hListView), NULL, rc.left, rc.top, 
			rc.right, rc.bottom, SWP_NOZORDER );  
	for ( int i = 0; i < 8; ++i )  { 
 
		_stprintf( colName, _T("Column%d"), i ); 
		width = ListView_GetColumnWidth( hListView, i ); 
		RegSetValueEx( hKey,colName, NULL, REG_DWORD, (LPBYTE) &width, 
				sizeof( DWORD)); 
	} 
	RegCloseKey( hKey ); 
 
} 
 
int FilenameCompare( const TCHAR * pa, const TCHAR * pb ) 
{ 
	int diff = CompareString( LOCALE_USER_DEFAULT, NORM_IGNORECASE|NORM_IGNOREKANATYPE|NORM_IGNOREWIDTH, pa, -1, pb, -1 ); 
	if ( diff == CSTR_EQUAL ) 
		diff = CompareString( LOCALE_USER_DEFAULT, SORT_STRINGSORT, pa, -1, pb, -1 ); 
	return diff - CSTR_EQUAL; 
} 
 
int GetListViewSortColumn( LISTVIEW_COLUMN * ColumnList ) 
{ 
	for ( int i = 0; ColumnList[i].Title; ++i ) 
		if ( ColumnList[i].SortDir != SORTDIR_UNDEF ) 
			return i; 
	return -1; 
} 
 
int CALLBACK CompareListViewColumn( LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort ) 
{ 
	LISTVIEW_SORT			*	ctx = (LISTVIEW_SORT *) lParamSort; 
	WCHAR						text1[ MAX_UNCPATH ]; 
	WCHAR						text2[ MAX_UNCPATH ]; 
	int							order = CSTR_EQUAL; 
	int							idx1, idx2; 
	LVFINDINFO					find; 
	double						num1, num2; 
 
	// Get indices of items 
	if ( ctx->UsingEx )  { 
		idx1 = lParam1; 
		idx2 = lParam2; 
	} else { 
		find.flags = LVFI_PARAM; 
		find.lParam = lParam1; 
		idx1 = ListView_FindItem( ctx->hList, -1, &find ); 
		find.lParam = lParam2; 
		idx2 = ListView_FindItem( ctx->hList, -1, &find ); 
	}         
 
	ListView_GetItemText( ctx->hList, idx1, ctx->Column, text1, MAX_UNCPATH ); 
	ListView_GetItemText( ctx->hList, idx2, ctx->Column, text2, MAX_UNCPATH ); 
 
	switch ( ctx->ColumnList[ ctx->Column ].Type )  { 
		case DATATYPE_TEXT: 
			order = FilenameCompare( text1, text2 ); 
			break; 
 
		case DATATYPE_NUMBER: 
			_stscanf( text1, TEXT("%lf"), &num1 ); 
			_stscanf( text2, TEXT("%lf"), &num2 ); 
			if ( num1 > num2 ) 
				order = 1; 
			else if ( num1 < num2 ) 
				order = -1; 
			else 
				order = 0; 
			break; 
 
		case DATATYPE_HEX: 
			_stscanf( text1, TEXT("%lx"), &num1 ); 
			_stscanf( text2, TEXT("%lx"), &num2 ); 
			if ( num1 > num2 ) 
				order = 1; 
			else if ( num1 < num2 ) 
				order = -1; 
			else 
				order = 0; 
			break; 
 
		case DATATYPE_DATE: 
			{ 
				VarDateFromStr( text1, LANG_USER_DEFAULT, 0, &num1 ); 
				VarDateFromStr( text2, LANG_USER_DEFAULT, 0, &num2 ); 
				if ( num1 < num2 ) 
					order = -1; 
				else if ( num1 > num2 ) 
					order = 1; 
				else 
					order = 0; 
			} 
			break; 
	} 
 
	if ( ctx->ColumnList[ ctx->Column ].SortDir == SORTDIR_DOWN ) 
		order = -order; 
 
	return order; 
} 
 
 
void SortListView( HWND hListview, int iSubItem, LISTVIEW_COLUMN * ColumnList, bool Reverse ) 
{ 
	bool			SortReversed = false; 
	int				PrevColumn = 0; 
 
	// If column is negative then repeat the last sort 
	if ( iSubItem < 0 )  { 
		iSubItem = GetListViewSortColumn( ColumnList ); 
		if ( iSubItem >= 0 ) 
			SortListView( hListview, iSubItem, ColumnList, false ); 
		return; 
	} 
 
	HCURSOR	hSaveCursor = SetCursor( LoadCursor( NULL, IDC_WAIT ) ); 
 
	// if sorting the same column twice in a row then reverse the sort order 
	if ( ColumnList[ iSubItem ].SortDir == SORTDIR_UNDEF )  { 
		// clicked on a new column 
		for ( PrevColumn = 0; ColumnList[PrevColumn].Title; ++PrevColumn ) 
			if ( ColumnList[PrevColumn].SortDir != SORTDIR_UNDEF ) 
				break; 
		ColumnList[PrevColumn].SortDir = SORTDIR_UNDEF; 
		SortReversed = false; 
	} else { 
		// reverse sort direction if requested 
		if ( Reverse ) 
			SortReversed = ColumnList[ iSubItem ].SortDir == SORTDIR_UP; 
		else 
			SortReversed = ColumnList[ iSubItem ].SortDir != SORTDIR_UP; 
	} 
	ColumnList[ iSubItem ].SortDir = SortReversed ? SORTDIR_DOWN : SORTDIR_UP; 
	 
	// remove arrow from previously sorted column 
	LVCOLUMN		lvc; 
	lvc.mask = LVCF_FMT; 
	ListView_GetColumn( hListview, PrevColumn, &lvc ); 
	lvc.fmt &= ~(LVCFMT_IMAGE | LVCFMT_COL_HAS_IMAGES | LVCFMT_BITMAP_ON_RIGHT); 
	ListView_SetColumn( hListview, PrevColumn, &lvc ); 
 
	// add arrow to sorted column 
	lvc.mask = LVCF_FMT | LVCF_IMAGE; 
	ListView_GetColumn( hListview, iSubItem, &lvc ); 
	lvc.fmt |= LVCFMT_IMAGE | LVCFMT_COL_HAS_IMAGES | LVCFMT_BITMAP_ON_RIGHT; 
	lvc.iImage = SortReversed ? LISTVIEW_IMG_DESCENDING : LISTVIEW_IMG_ASCENDING; 
	ListView_SetColumn( hListview, iSubItem, &lvc ); 
 
	// Perform sort 
	LISTVIEW_SORT	ctx; 
	ctx.Column		= iSubItem; 
	ctx.ColumnList	= ColumnList; 
	ctx.hList		= hListview; 
	ctx.UsingEx		= true; 
 
	// Version 5.80 and later of Comctl32.dll 
	BOOL ok = ListView_SortItemsEx( hListview, CompareListViewColumn, (LPARAM)&ctx ); 
	if ( !ok )  { 
		// Use old, slow way of sorting. 
		ctx.UsingEx	= false; 
		ListView_SortItems( hListview, CompareListViewColumn, (LPARAM)&ctx ); 
	} 
 
	SetCursor( hSaveCursor ); 
} 
 
LPARAM ListView_GetParam( HWND hListView, UINT iItem ) 
{ 
	LV_ITEM	lvi; 
	lvi.mask	= LVIF_PARAM; 
	lvi.iItem	= iItem; 
	lvi.iSubItem = 0; 
	if ( ! ListView_GetItem( hListView, &lvi ) ) 
		lvi.lParam = (LPARAM) -1; 
	return lvi.lParam; 
} 
 
void PopupListviewColumnsMenu( HWND hListview, LISTVIEW_COLUMN * ColumnList ) 
{ 
	HMENU			hMenu = CreatePopupMenu(); 
	MENUITEMINFO	item; 
	ZeroMemory(&item,sizeof(item)); 
	// Build list of columns 
	for (int col = 0; ColumnList[col].Title; ++col )   
	{ 
		item.cbSize			= sizeof item; 
		item.fMask			= MIIM_ID | MIIM_STATE | MIIM_CHECKMARKS | MIIM_TYPE; 
 
		item.wID			= col + 1;	// zero is used for errors or no selection 
		item.fType			= MFT_STRING; 
		item.fState			= ListView_GetColumnWidth( hListview, col ) ? MFS_CHECKED : 0; 
		item.hbmpChecked	= NULL; 
		item.hbmpUnchecked	= NULL; 
		item.hbmpItem		= HBMMENU_SYSTEM; 
		item.dwTypeData		= (TCHAR *) ColumnList[col].Title; 
		InsertMenuItem( hMenu, col, true, &item ); 
	} 
 
	// add separator 
	item.fType = MFT_SEPARATOR; 
	InsertMenuItem( hMenu, col++, true, &item ); 
 
	// add "more..." entry 
	item.fType			= MFT_STRING; 
	item.fState			= 0; 
	item.dwTypeData		= TEXT("More..."); 
	item.wID			= col + 1;	// zero is used for errors or no selection 
	InsertMenuItem( hMenu, col++, true, &item ); 
 
	// create menu 
	POINT pt; 
	GetCursorPos( &pt ); 
	int i = TrackPopupMenu( hMenu, TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_NONOTIFY,  
							pt.x, pt.y, 0, hListview, NULL ); 
	if ( i > 0 )   
	{ 
		// process result 
		--i; 
		if ( i >= col - 1 )   
		{ 
			MessageBox( hListview, TEXT("More"), NULL, MB_OK ); 
		}  
		else  
		{ 
			if ( ListView_GetColumnWidth(hListview,i) > 0 )   
			{ 
				// delete item 
				ColumnList[i].Width = ListView_GetColumnWidth( hListview, i ); 
				ListView_SetColumnWidth( hListview, i, 0 ); 
#if 0 
				HWND hHeader = ListView_GetHeader( hListview ); 
				Header_DeleteItem( hHeader, i ); 
#endif 
			} 
			else 
			{ 
				// insert item 
				ListView_SetColumnWidth( hListview, i, ColumnList[i].Width ); 
#if 0 
				HWND hHeader	= ListView_GetHeader( hListview ); 
				HDITEM	item	= { 0 }; 
				item.mask		= HDI_TEXT | HDI_WIDTH; 
				item.pszText	= (TCHAR *) ColumnList[i].Title; 
				item.cxy		= ColumnList[i].Width; 
				Header_InsertItem( hHeader, i, &item ); 
#endif 
			} 
		} 
	} 
}