listboxst.cpp

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	return nNewIndex;
} // End of InsertString

// Deletes a string from the list box.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the string to be deleted.
//
// Return value:
//		A count of the strings remaining in the list box.
//		The return value is LB_ERR if nIndex specifies an index greater than 
//		the number of items in the list.
//
int CListBoxST::DeleteString(int nIndex)
{
	int	nRetValue = LB_ERR;

	DeleteItemData(nIndex);
	nRetValue = CListBox::DeleteString(nIndex);

	return nRetValue;
} // End of DeleteString

// Replaces a string at a specific location in the list box.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the position to replace the string.
//		[IN]	lpszItem
//				Pointer to the null-terminated string that is to be replaced.
//		[IN]	nImage
//				Image to be associated with the string.
//				Pass -1L to associate no image.
//
// Return value:
//		The zero-based index of the position at which the string was replaced.
//		The return value is LB_ERR if an error occurs; the return value 
//		is LB_ERRSPACE if insufficient space is available to store the new string.
//
int CListBoxST::ReplaceString(int nIndex, LPCTSTR lpszString, int nImage)
{
	int	nRetValue;

	nRetValue = DeleteString(nIndex);
	if (nRetValue != LB_ERR)
	{
		nRetValue = InsertString(nIndex, lpszString, nImage);
	} // if

	return nRetValue;
} // End of ReplaceString

// Clears all the entries from the list box.
//
void CListBoxST::ResetContent()
{
	FreeResources();
	CListBox::ResetContent();
} // End of ResetContent

// Sets the 32-bit value associated with the list box item.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	dwItemData
//				Specifies the value to be associated with the item.
//
// Return value:
//		LB_ERR if an error occurs.
//
int CListBoxST::SetItemData(int nIndex, DWORD dwItemData)
{
	return ReplaceItemData(nIndex, dwItemData, NULL, 0, 0, MASK_DWDATA);
} // End of SetItemData

// Returns the 32-bit value associated with the list box item.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//
// Return value:
//		The 32-bit value associated with the item, or LB_ERR if an error occurs.
//
DWORD CListBoxST::GetItemData(int nIndex)
{
	STRUCT_LBDATA*	lpLBData = NULL;

	lpLBData = (STRUCT_LBDATA*)CListBox::GetItemDataPtr(nIndex);
	if (lpLBData != (LPVOID)-1L)
		return lpLBData->dwItemData;

	return (DWORD)LB_ERR;
} // End of GetItemData

// Sets a pointer to a list box item.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	pData
//				Specifies the pointer to be associated with the item.
//
// Return value:
//		LB_ERR if an error occurs.
//
int CListBoxST::SetItemDataPtr(int nIndex, void* pData)
{
	return ReplaceItemData(nIndex, 0, pData, 0, 0, MASK_LPDATA);
} // End of SetItemDataPtr

// Returns a pointer of a list box item.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//
// Return value:
//		Pointer associated with the item, or -1 if an error occurs.
//
void* CListBoxST::GetItemDataPtr(int nIndex)
{
	STRUCT_LBDATA*	lpLBData = NULL;

	lpLBData = (STRUCT_LBDATA*)CListBox::GetItemDataPtr(nIndex);
	if (lpLBData != (LPVOID)-1L)
		return lpLBData->pData;

	return (LPVOID)-1L;
} // End of GetItemDataPtr

int CListBoxST::Move(int nOldIndex, int nNewIndex, BOOL bSetCurSel)
{
	int				nInsertedIndex = LB_ERR;
	CString			sText;
	STRUCT_LBDATA*	lpLBData = NULL;
	STRUCT_LBDATA 	csLBData;

	// If index is out of range
	if ((UINT)nOldIndex >= (UINT)GetCount())	return LB_ERR;

	// Get item text
	GetText(nOldIndex, sText);
	// Get associated data
	::ZeroMemory(&csLBData, sizeof(csLBData));
	lpLBData = (STRUCT_LBDATA*)CListBox::GetItemData(nOldIndex);
	if (lpLBData != (LPVOID)-1L)
	{
		::CopyMemory(&csLBData, lpLBData, sizeof(csLBData));
	} // if
	// Delete string
	DeleteString(nOldIndex);
	// Insert string at new position
	nInsertedIndex = InsertString(nNewIndex, sText);
	// Restore associated data
	ReplaceItemData(nInsertedIndex, csLBData.dwItemData, csLBData.pData, csLBData.nImage, csLBData.dwFlags, MASK_ALL);

	// Select item
	if (bSetCurSel && nInsertedIndex != LB_ERR && nInsertedIndex != LB_ERRSPACE)
		SetCurSel(nInsertedIndex);

	return nInsertedIndex;
} // End of Move

// Moves a list box item up by one position
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	bSetCurSel
//				If TRUE the item will be hilighted
//
// Return value:
//		The zero-based index of the position at which the string was moved.
//		The return value is LB_ERR if an error occurs; the return value 
//		is LB_ERRSPACE if insufficient space is available to store the string.
//
int CListBoxST::MoveUp(int nIndex, BOOL bSetCurSel)
{
	int	nRetValue = nIndex;

	if (nIndex > 0)
	{
		nRetValue = Move(nIndex, nIndex - 1, bSetCurSel);
	} // if

	return nRetValue;
} // End of MoveUp

// Moves a list box item down by one position
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	bSetCurSel
//				If TRUE the item will be hilighted
//
// Return value:
//		The zero-based index of the position at which the string was moved.
//		The return value is LB_ERR if an error occurs; the return value 
//		is LB_ERRSPACE if insufficient space is available to store the string.
//
int CListBoxST::MoveDown(int nIndex, BOOL bSetCurSel)
{
	int	nRetValue = nIndex;

	if (nIndex < GetCount() - 1)
	{
		nRetValue = Move(nIndex, nIndex + 1, bSetCurSel);
	} // if

	return nRetValue;
} // End of MoveDown

// Moves a list box item to the top most position
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	bSetCurSel
//				If TRUE the item will be hilighted
//
// Return value:
//		The zero-based index of the position at which the string was moved.
//		The return value is LB_ERR if an error occurs; the return value 
//		is LB_ERRSPACE if insufficient space is available to store the string.
//
int CListBoxST::MoveTop(int nIndex, BOOL bSetCurSel)
{
	int	nRetValue = nIndex;

	if (nIndex > 0)
	{
		nRetValue = Move(nIndex, 0, bSetCurSel);
	} // if

	return nRetValue;
} // End of MoveTop

// Moves a list box item to the bottom most position
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	bSetCurSel
//				If TRUE the item will be hilighted
//
// Return value:
//		The zero-based index of the position at which the string was moved.
//		The return value is LB_ERR if an error occurs; the return value 
//		is LB_ERRSPACE if insufficient space is available to store the string.
//
int CListBoxST::MoveBottom(int nIndex, BOOL bSetCurSel)
{
	int	nRetValue = nIndex;

	if (nIndex < GetCount() - 1)
	{
		nRetValue = Move(nIndex, GetCount() - 1, bSetCurSel);
	} // if

	return nRetValue;
} // End of MoveBottom

// Enables or disables a list box item.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	bEnable
//				Specifies whether the given item is to be enabled or disabled.
//				If this parameter is TRUE, the item will be enabled.
//				If this parameter is FALSE, the item will be disabled.
//		[IN]	bRepaint
//				If TRUE the control will be repainted.
//
void CListBoxST::EnableItem(int nIndex, BOOL bEnable, BOOL bRepaint)
{
	STRUCT_LBDATA*	lpLBData = NULL;

	// Get pointer to associated datas (if any)
	lpLBData = (STRUCT_LBDATA*)CListBox::GetItemDataPtr(nIndex);
	if (lpLBData != NULL && lpLBData != (LPVOID)-1L)
	{
		if (bEnable)
			ReplaceItemData(nIndex, 0, NULL, 0, (lpLBData->dwFlags & ~TEST_BIT0), MASK_DWFLAGS);
		else
			ReplaceItemData(nIndex, 0, NULL, 0, (lpLBData->dwFlags | TEST_BIT0), MASK_DWFLAGS);

		if (bRepaint)	Invalidate();
	} // if
} // End of EnableItem

// Specifies whether a list box item is enabled.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//
// Return value:
//		TRUE if the item is enabled; otherwise FALSE.
//
BOOL CListBoxST::IsItemEnabled(int nIndex)
{
	STRUCT_LBDATA*	lpLBData = NULL;

	// Get pointer to associated datas (if any)
	lpLBData = (STRUCT_LBDATA*)CListBox::GetItemDataPtr(nIndex);
	if (lpLBData != NULL && lpLBData != (LPVOID)-1L)
	{
		return !((lpLBData->dwFlags & TEST_BIT0) == TEST_BIT0);
		//if (lpLBData->bDisabled)	return FALSE;
	} // if

	return TRUE;
} // End of IsItemEnabled

// Sets how a selected list box item will be hilighted.
//
// Parameters:
//		[IN]	byRowSelect
//				Selection type. Can be one of the following values:
//				ST_FULLROWSELECT	Hilight full list box item (Default)
//				ST_FULLTEXTSELECT	Hilight half list box item (Part containing text)
//				ST_TEXTSELECT		Hilight only list box text
//		[IN]	bRepaint
//				If TRUE the control will be repainted.
//
void CListBoxST::SetRowSelect(BYTE byRowSelect, BOOL bRepaint)
{
	switch (byRowSelect)
	{
		case ST_FULLROWSELECT:
		case ST_FULLTEXTSELECT:
		case ST_TEXTSELECT:
			// Store new selection type
			m_byRowSelect = byRowSelect;

			if (bRepaint)	Invalidate();
			break;
		default:
			// Bad value
			ASSERT(FALSE);
			break;
	} // switch
} // End of SetRowSelect

// Sets the image list to use in the list box.
//
// Parameters:
//		[IN]	pImageList
//				Pointer to an CImageList object containing the image list
//				to use in the list box. Pass NULL to remove any previous
//				associated image list.
//
void CListBoxST::SetImageList(CImageList* pImageList)
{
	m_pImageList = pImageList;
	// Get icons size
	if (m_pImageList)
		ImageList_GetIconSize(*m_pImageList, (LPINT)&m_szImage.cx, (LPINT)&m_szImage.cy);
	else
		::ZeroMemory(&m_szImage, sizeof(m_szImage));

	Invalidate();
} // End of SetImageList

// Sets the image to use in a list box item
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[IN]	nImage
//				Specifies the zero-based index of the image
//				inside the imagelist to use.
//		[IN]	bRepaint
//				If TRUE the control will be repainted.
//
void CListBoxST::SetImage(int nIndex, int nImage, BOOL bRepaint)
{
	ReplaceItemData(nIndex, 0, NULL, nImage, 0, MASK_NIMAGE);

	if (bRepaint)	Invalidate();
} // End of SetImage

// Returns the image index associated to a list box item.
//
// Parameters:
//		[IN]	nIndex
//				Specifies the zero-based index of the item.
//		[OUT]	lpnImage
//				Pointer to a int variable that will receive the index
//				of the image inside the imagelist.
//				This variable will be set to -1L if no image is associated.
//
void CListBoxST::GetImage(int nIndex, LPINT lpnImage)
{
	STRUCT_LBDATA*	lpLBData = NULL;
	ASSERT(lpnImage != NULL);

	if (lpnImage)
	{
		// Get pointer to associated datas (if any)
		lpLBData = (STRUCT_LBDATA*)CListBox::GetItemDataPtr(nIndex);
		if (lpLBData != NULL && lpLBData != (LPVOID)-1L)
			*lpnImage = lpLBData->nImage;
		else
			*lpnImage = -1L;
	} // if
} // End of GetImage

#undef	MASK_DWDATA
#undef	MASK_LPDATA
#undef	MASK_NIMAGE
#undef	MASK_DWFLAGS
#undef	MASK_ALL
#undef	TEST_BIT0
#undef	LBST_CX_BORDER
#undef	LBST_CY_BORDER