listctrlstyled.cpp

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void CListCtrlStyled::SetRowSelectedFont(int nRow,CFont * pFont,bool redraw)
{	// We must retrieve the Style info structure of this item
	//
	LVITEM pItem;
	InitLVITEM(nRow,0,&pItem);

	LS_item * lpLS_item = NULL;
	lpLS_item = (LS_item*) pItem.lParam;

	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_row = NULL;
	lpLS_row = lpLS_item->row_style;

	if(lpLS_row == NULL)
	{	// We must create one
		//
		lpLS_row = new LS_item;
		this->Init_LS_item(lpLS_row,false);

		// attach to the item
		//
		lpLS_item->row_style = lpLS_row;
	}

	// Take the selected style structure
	//
	if(lpLS_row->selected_style == NULL)
	{	// Create a structure style
		//
		lpLS_row->selected_style = new LS_item;
		this->Init_LS_item( lpLS_row->selected_style );
	}
	lpLS_row = lpLS_row->selected_style;

	// if any internal font exist for this item then delete it
	//
	this->Free_LS_font(lpLS_row);

	// no we can update the style
	//
	lpLS_row->cfont = pFont;
	lpLS_row->ifont = false;

	lpLS_row->in_use = true;

	// Redraw it
	if(redraw)	CListCtrl::Update(nRow);
}

// **********************************
// ** New STYLE Methods on Columns **
// **********************************
void CListCtrlStyled::SetColStyle(int nCol,DWORD Style,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// no we can update the style
	//
	lpLS_col->StyleFlag = Style;

	DWORD mask = LIS_BOLD | LIS_ITALIC | LIS_UNDERLINE| LIS_STROKE ;
	lpLS_col->in_use = (Style & mask) > 0;

	// if any font exist for this item then delete it
	//
	this->Free_LS_font(lpLS_col);

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

void CListCtrlStyled::SetColTxtColor(int nCol,COLORREF txtColor,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// no we can update the style
	//
	lpLS_col->txtColor = txtColor;

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

void CListCtrlStyled::SetColBgColor(int nCol,COLORREF txtBgColor,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// no we can update the style
	//
	lpLS_col->bgColor = txtBgColor;

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

void CListCtrlStyled::SetColFont(int nCol,CFont * pFont,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// if any internal font exist for this item then delete it
	//
	this->Free_LS_font(lpLS_col);

	// no we can update the style
	//
	lpLS_col->cfont = pFont;
	lpLS_col->ifont = false;

	lpLS_col->in_use = true;

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

// *******************************************
// ** New STYLE Methods on Columns SELECTED **
// *******************************************
void CListCtrlStyled::SetColSelectedStyle(int nCol,DWORD Style,bool redraw)
{
	// Verify if a style for this Col already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// Take the selected style structure
	//
	if(lpLS_col->selected_style == NULL)
	{	// Create a structure style
		//
		lpLS_col->selected_style = new LS_item;
		this->Init_LS_item( lpLS_col->selected_style );
	}
	lpLS_col = lpLS_col->selected_style;

	// no we can update the style
	//
	lpLS_col->StyleFlag = Style;

	DWORD mask = LIS_BOLD | LIS_ITALIC | LIS_UNDERLINE| LIS_STROKE ;
	lpLS_col->in_use = (Style & mask) > 0;

	// if any font exist for this item then delete it
	//
	this->Free_LS_font(lpLS_col);

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

void CListCtrlStyled::SetColSelectedTxtColor(int nCol,COLORREF txtColor,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// Take the selected style structure
	//
	if(lpLS_col->selected_style == NULL)
	{	// Create a structure style
		//
		lpLS_col->selected_style = new LS_item;
		this->Init_LS_item( lpLS_col->selected_style );
	}
	lpLS_col = lpLS_col->selected_style;

	// no we can update the style
	//
	lpLS_col->txtColor = txtColor;

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

void CListCtrlStyled::SetColSelectedBgColor(int nCol,COLORREF txtBgColor,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// Take the selected style structure
	//
	if(lpLS_col->selected_style == NULL)
	{	// Create a structure style
		//
		lpLS_col->selected_style = new LS_item;
		this->Init_LS_item( lpLS_col->selected_style );
	}
	lpLS_col = lpLS_col->selected_style;

	// no we can update the style
	//
	lpLS_col->bgColor = txtBgColor;

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

void CListCtrlStyled::SetColSelectedFont(int nCol,CFont * pFont,bool redraw)
{
	// Verify if a style for this Row already exist or not
	//
	LS_item * lpLS_col = NULL;
	lpLS_col = this->columns[nCol];

	if(lpLS_col == NULL)
	{	// We must create one
		//
		lpLS_col = new LS_item;
		this->Init_LS_item(lpLS_col,false);

		// attach to Array
		//
		this->columns.SetAt(nCol, lpLS_col);
	}

	// Take the selected style structure
	//
	if(lpLS_col->selected_style == NULL)
	{	// Create a structure style
		//
		lpLS_col->selected_style = new LS_item;
		this->Init_LS_item( lpLS_col->selected_style );
	}
	lpLS_col = lpLS_col->selected_style;

	// if any internal font exist for this item then delete it
	//
	this->Free_LS_font(lpLS_col);

	// no we can update the style
	//
	lpLS_col->cfont = pFont;
	lpLS_col->ifont = false;

	lpLS_col->in_use = true;

	// Redraw it
	if(redraw)
	{	this->RedrawItems(0, this->GetItemCount() );
		this->UpdateWindow();
	}
}

// *********************************
// ** New HIGHLIGHT COLOR Methods **
// *********************************
void CListCtrlStyled::SetHighlightTextColor(COLORREF Color)
{	this->m_highlighttext = Color; }

void CListCtrlStyled::SetHighlightColor(COLORREF Color)
{	this->m_highlight = Color; }

// ******************************************
// ** Internal Methods for Drawing Process **
// ******************************************
void CListCtrlStyled::OnCustomdraw(NMHDR* pNMHDR, LRESULT* pResult)
{
    // first, lets extract data from
    // the message for ease of use later
    NMLVCUSTOMDRAW* pNMLVCUSTOMDRAW = (NMLVCUSTOMDRAW*)pNMHDR;

    // we'll copy the device context into hdc
    // but wont convert it to a pDC* until (and if)
    // we need it as this requires a bit of work
    // internally for MFC to create temporary CDC
    // objects
    HDC hdc = pNMLVCUSTOMDRAW->nmcd.hdc;
    CDC* pDC = NULL;

    // here is the item info
    // note that we don't get the subitem
    // number here, as this may not be
    // valid data except when we are
    // handling a sub item notification
    // so we'll do that separately in
    // the appropriate case statements
    // below.
    int nItem = (int)pNMLVCUSTOMDRAW->nmcd.dwItemSpec;
    UINT nState = pNMLVCUSTOMDRAW->nmcd.uItemState;
    LPARAM lParam = pNMLVCUSTOMDRAW->nmcd.lItemlParam;

    // next we set up flags that will control
    // the return value for *pResult
    bool bNotifyPostPaint = false;
    bool bNotifyItemDraw = false;
    bool bNotifySubItemDraw = false;
    bool bSkipDefault = false;
    bool bNewFont = false;

    // what we do next depends on the
    // drawing stage we are processing
    switch (pNMLVCUSTOMDRAW->nmcd.dwDrawStage) {
    case CDDS_PREPAINT:
        {
            // PrePaint
            m_pOldItemFont = NULL;
            m_pOldSubItemFont = NULL;
            bNotifyPostPaint = false;
            bNotifyItemDraw = true;
        }
        break;
    case CDDS_ITEMPREPAINT:
        {
            // Item PrePaint
			//
			// set up a different font to use, if any
			if (! pDC) pDC = CDC::FromHandle(hdc);

			 m_pOldItemFont = NULL;
            bNotifyPostPaint = false;
            bNotifySubItemDraw = true;

			// Store the first time, information about default font
			//
			if(m_Default_pCFont == NULL)
			{	m_Default_pCFont = pDC->GetCurrentFont();
				m_Default_pCFont->GetLogFont(&m_Default_LOGFONT);
			}

            m_item_selected = false;
            m_item_selected = this->GetItemState(nItem, LVIS_SELECTED) != 0;
			if(m_item_selected)
			{	this->SetItemState(nItem,NULL,LVIS_SELECTED);
				bNotifyPostPaint = true;
			}

            CFont* pNewFont = FontForItem(nItem,0,lParam,pNMLVCUSTOMDRAW);
            if (pNewFont) {
                m_pOldItemFont = pDC->SelectObject(pNewFont);
                bNotifyPostPaint = true;    // need to restore old font
				bNewFont = true;
            }
        }
        break;
    case CDDS_ITEMPREPAINT|CDDS_SUBITEM:
        {	// Sub Item PrePaint
            // set sub item number (data will be valid now)
            int nSubItem = pNMLVCUSTOMDRAW->iSubItem;
            m_pOldSubItemFont = NULL;
            bNotifyPostPaint = false;

            // set up a different font to use, if any
			if (! pDC) pDC = CDC::FromHandle(hdc);
            CFont* pNewFont = FontForItem(nItem,nSubItem,lParam,pNMLVCUSTOMDRAW);

			if (pNewFont) {
                m_pOldSubItemFont = pDC->SelectObject(pNewFont);
                bNotifyPostPaint = true;    // need to restore old font
				bNewFont = true;
            }
			else if(m_pOldItemFont)
			{	m_pOldSubItemFont = pDC->SelectObject(m_pOldItemFont);
                bNotifyPostPaint = true;    // need to restore old font
				bNewFont = true;
			}
        }
        break;
    case CDDS_ITEMPOSTPAINT|CDDS_SUBITEM:
        {
            // Sub Item PostPaint
            // set sub item number (data will be valid now)
            int nSubItem = pNMLVCUSTOMDRAW->iSubItem;
            // restore old font if any
			if (! pDC) pDC = CDC::FromHandle(hdc);
            if (m_pOldSubItemFont) {
                pDC->SelectObject(m_pOldSubItemFont);
                m_pOldSubItemFont = NULL;
            }
		 }
        break;
    case CDDS_ITEMPOSTPAINT:
        {
            // Item PostPaint
            // restore old font if any
			if (! pDC) pDC = CDC::FromHandle(hdc);
            if (m_pOldItemFont) {
                pDC->SelectObject(m_pOldItemFont);
                m_pOldItemFont = NULL;
            }

            if(m_item_selected)
			{	m_item_selected = false;
				this->SetItemState(nItem,LVIS_SELECTED,LVIS_SELECTED);
			}
		}
        break;
    }

    ASSERT(CDRF_DODEFAULT==0);
    *pResult = 0;
    if (bNotifyPostPaint) {
        *pResult |= CDRF_NOTIFYPOSTPAINT;
    }
    if (bNotifyItemDraw) {
        *pResult |= CDRF_NOTIFYITEMDRAW;
    }
    if (bNotifySubItemDraw) {
        *pResult |= CDRF_NOTIFYSUBITEMDRAW;
    }
    if (bNewFont) {
        *pResult |= CDRF_NEWFONT;
    }
    if (bSkipDefault) {
        *pResult |= CDRF_SKIPDEFAULT;
    }
    if (*pResult == 0) {
        // redundant as CDRF_DODEFAULT==0 anyway
        // but shouldn't depend on this in our code
        *pResult = CDRF_DODEFAULT;
    }

}

CFont * CListCtrlStyled::FontForItem(int nItem,int nSubItem,LPARAM lParam,NMLVCUSTOMDRAW* pNMLVCUSTOMDRAW)
{
	// Allow to create the correct font for an item of the CListCtrl
	//

	// Cast the lParam into an LS_item object
	LS_item * lpLS_root = NULL;
	lpLS_root = (LS_item*)lParam;

	LS_item * lpLS_item = NULL;
	LS_item * lpLS_row = NULL;
	LS_item * lpLS_col = NULL;

	// Set a mask value
	//
	DWORD mask = LIS_BOLD | LIS_ITALIC | LIS_UNDERLINE| LIS_STROKE ;

	// Take Corects Structure style that we need
	//
	lpLS_item = lpLS_root;
	lpLS_row = lpLS_root->row_style;
	lpLS_col = this->columns[nSubItem];