btnst.cpp

视频芯片管理系统

	// Draw pressed button
	if (bIsPressed)
	{
		if (m_bIsFlat == TRUE)
		{
			if (m_bDrawBorder == TRUE)
			{
				pDC->Draw3dRect(itemRect, ::GetSysColor(COLOR_BTNSHADOW), ::GetSysColor(COLOR_BTNHILIGHT));
			}
		}
		else    
		{
			CBrush brBtnShadow(GetSysColor(COLOR_BTNSHADOW));
			pDC->FrameRect(&itemRect, &brBtnShadow);
		}
	}
	else // ...else draw non pressed button
	{
		CPen penBtnHiLight(PS_SOLID, 0, GetSysColor(COLOR_BTNHILIGHT)); // White
		CPen pen3DLight(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));       // Light gray
		CPen penBtnShadow(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW));   // Dark gray
		CPen pen3DDKShadow(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW)); // Black

		if (m_bIsFlat == TRUE)
		{
			if (m_bMouseOnButton == TRUE && m_bDrawBorder == TRUE)
			{
				pDC->Draw3dRect(itemRect, ::GetSysColor(COLOR_BTNHILIGHT), ::GetSysColor(COLOR_BTNSHADOW));
			}
		}
		else
		{
			// Disegno i bordi a sinistra e in alto
			// White line
			pOldPen = pDC->SelectObject(&penBtnHiLight);
			pDC->MoveTo(itemRect.left, itemRect.bottom-1);
			pDC->LineTo(itemRect.left, itemRect.top);
			pDC->LineTo(itemRect.right, itemRect.top);
			// Light gray line
			pDC->SelectObject(pen3DLight);
			pDC->MoveTo(itemRect.left+1, itemRect.bottom-1);
			pDC->LineTo(itemRect.left+1, itemRect.top+1);
			pDC->LineTo(itemRect.right, itemRect.top+1);
			// Disegno i bordi a destra e in basso
			// Black line
			pDC->SelectObject(pen3DDKShadow);
			pDC->MoveTo(itemRect.left, itemRect.bottom-1);
			pDC->LineTo(itemRect.right-1, itemRect.bottom-1);
			pDC->LineTo(itemRect.right-1, itemRect.top-1);
			// Dark gray line
			pDC->SelectObject(penBtnShadow);
			pDC->MoveTo(itemRect.left+1, itemRect.bottom-2);
			pDC->LineTo(itemRect.right-2, itemRect.bottom-2);
			pDC->LineTo(itemRect.right-2, itemRect.top);
			//
			pDC->SelectObject(pOldPen);
		}
	}

	// Read the button's title
	CString sTitle;
	GetWindowText(sTitle);

	// If we don't want the title displayed
	if (m_bShowText == FALSE) sTitle.Empty();

	CRect captionRect = lpDIS->rcItem;

	// Draw the icon
	if (m_csIcons[0].hIcon != NULL)
	{
		DrawTheIcon(pDC, !sTitle.IsEmpty(), &lpDIS->rcItem, &captionRect, bIsPressed, bIsDisabled);
	}

	if (m_csBitmaps[0].hBitmap != NULL)
	{
		pDC->SetBkColor(RGB(255,255,255));
		DrawTheBitmap(pDC, !sTitle.IsEmpty(), &lpDIS->rcItem, &captionRect, bIsPressed, bIsDisabled);
	} // if

	// Write the button title (if any)
	if (sTitle.IsEmpty() == FALSE)
	{
		// Draw the button's title
		// If button is pressed then "press" title also
		if (bIsPressed && m_bIsCheckBox == FALSE)
			captionRect.OffsetRect(1, 1);
    
		// ONLY FOR DEBUG 
		// Evidenzia il rettangolo in cui verra' centrata la caption 
		//CBrush brBtnShadow(RGB(255, 0, 0));
		//pDC->FrameRect(&captionRect, &brBtnShadow);

		/*
		if ((m_bMouseOnButton == TRUE) || (bIsPressed)) 
		{
			pDC->SetTextColor(GetActiveFgColor());
			pDC->SetBkColor(GetActiveBgColor());
		} 
		else 
		{
			pDC->SetTextColor(GetInactiveFgColor());
			pDC->SetBkColor(GetInactiveBgColor());
		}
		*/
		// Center text
		CRect centerRect = captionRect;
		pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER | DT_CALCRECT);
		captionRect.OffsetRect((centerRect.Width() - captionRect.Width())/2, (centerRect.Height() - captionRect.Height())/2);
		/* RFU
		captionRect.OffsetRect(0, (centerRect.Height() - captionRect.Height())/2);
		captionRect.OffsetRect((centerRect.Width() - captionRect.Width())-4, (centerRect.Height() - captionRect.Height())/2);
		*/

		pDC->SetBkMode(TRANSPARENT);
		/*
		pDC->DrawState(captionRect.TopLeft(), captionRect.Size(), (LPCTSTR)sTitle, (bIsDisabled ? DSS_DISABLED : DSS_NORMAL), 
						TRUE, 0, (CBrush*)NULL);
		*/
		if (bIsDisabled)
		{
			captionRect.OffsetRect(1, 1);
			pDC->SetTextColor(::GetSysColor(COLOR_3DHILIGHT));
			pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER);
			captionRect.OffsetRect(-1, -1);
			pDC->SetTextColor(::GetSysColor(COLOR_3DSHADOW));
			pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER);
		}
		else
		{
			if ((m_bMouseOnButton == TRUE) ||(bIsPressed)) 
			{
				pDC->SetTextColor(m_crColors[BTNST_COLOR_FG_IN]);
				pDC->SetBkColor(m_crColors[BTNST_COLOR_BK_IN]);
			} 
			else 
			{
				pDC->SetTextColor(m_crColors[BTNST_COLOR_FG_OUT]);
				pDC->SetBkColor(m_crColors[BTNST_COLOR_BK_OUT]);
			}
			pDC->DrawText(sTitle, -1, captionRect, DT_WORDBREAK | DT_CENTER);
		}
	}

	if (m_bIsFlat == FALSE || (m_bIsFlat == TRUE && m_bDrawFlatFocus == TRUE))
	{
		// Draw the focus rect
		if (bIsFocused)
		{
			CRect focusRect = itemRect;
			focusRect.DeflateRect(3, 3);
			pDC->DrawFocusRect(&focusRect);
		}
	}
} // End of DrawItem

void CButtonST::DrawTheIcon(CDC* pDC, BOOL bHasTitle, RECT* rpItem, CRect* rpTitle, BOOL bIsPressed, BOOL bIsDisabled)
{
	BYTE		byIndex		= 0;

	// Select the icon to use
	if (m_bIsCheckBox == TRUE)
	{
		if (bIsPressed == TRUE)
		{
			byIndex = 0;
		} // if
		else
		{
			if (m_csIcons[1].hIcon != NULL)
				byIndex = 1;
			else
				byIndex = 0;		// No icon Out available
		} // else
	} // if
	else
	{
		if (m_bMouseOnButton == TRUE || bIsPressed == TRUE)
		{
			byIndex = 0;
		} // if
		else
		{
			if (m_csIcons[1].hIcon != NULL)
				byIndex = 1;
			else
				byIndex = 0;		// No icon Out available
		} // else
	} // else

	CRect	rImage;
	PrepareImageRect(bHasTitle, rpItem, rpTitle, bIsPressed, m_csIcons[byIndex].dwWidth, m_csIcons[byIndex].dwHeight, &rImage);

	// Ole'!
	pDC->DrawState(	rImage.TopLeft(),
					rImage.Size(), 
					m_csIcons[byIndex].hIcon,
					(bIsDisabled ? DSS_DISABLED : DSS_NORMAL), 
					(CBrush*)NULL);
} // End of DrawTheIcon


void CButtonST::PreSubclassWindow() 
{
	UINT nBS;

	nBS = GetButtonStyle();

	// Check if this is the default button
	if (nBS & BS_DEFPUSHBUTTON) m_bIsDefault = TRUE;

	// Check if this is a checkbox
	if (nBS & BS_CHECKBOX) m_bIsCheckBox = TRUE;

	// Add BS_OWNERDRAW style
	SetButtonStyle(nBS | BS_OWNERDRAW);

	CButton::PreSubclassWindow();
} // End of PreSubclassWindow


BOOL CButtonST::PreTranslateMessage(MSG* pMsg) 
{
	InitToolTip();
	m_ToolTip.RelayEvent(pMsg);
	
	return CButton::PreTranslateMessage(pMsg);
} // End of PreTranslateMessage


LRESULT CButtonST::DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam) 
{
	if (message == WM_LBUTTONDBLCLK)
	{
		message = WM_LBUTTONDOWN;
	}
	return CButton::DefWindowProc(message, wParam, lParam);
} // End of DefWindowProc

void CButtonST::SetFlatFocus(BOOL bDrawFlatFocus, BOOL bRepaint)
{
	m_bDrawFlatFocus = bDrawFlatFocus;
	
	// Repaint the button
	if (bRepaint == TRUE) Invalidate();
} // End of SetFlatFocus


BOOL CButtonST::GetFlatFocus()
{
	return m_bDrawFlatFocus;
} // End of GetFlatFocus


BOOL CButtonST::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{
	// If a cursor was specified then use it!
	if (m_hCursor != NULL)
	{
		::SetCursor(m_hCursor);
		return TRUE;
	}

	return CButton::OnSetCursor(pWnd, nHitTest, message);
} // End of OnSetCursor


void CButtonST::SetTooltipText(LPCTSTR lpszText, BOOL bActivate)
{
	// We cannot accept NULL pointer
	if (lpszText == NULL) return;

	// Initialize ToolTip
	InitToolTip();

	// If there is no tooltip defined then add it
	if (m_ToolTip.GetToolCount() == 0)
	{
		CRect rectBtn; 
		GetClientRect(rectBtn);
		m_ToolTip.AddTool(this, lpszText, rectBtn, 1);
	}

	// Set text for tooltip
	m_ToolTip.UpdateTipText(lpszText, this, 1);
	m_ToolTip.Activate(bActivate);
} // End of SetTooltipText


void CButtonST::SetTooltipText(int nId, BOOL bActivate)
{
	CString sText;

	// load string resource
	sText.LoadString(nId);
	// If string resource is not empty
	if (sText.IsEmpty() == FALSE) SetTooltipText((LPCTSTR)sText, bActivate);
} // End of SetTooltipText


void CButtonST::ActivateTooltip(BOOL bActivate)
{
	// If there is no tooltip then do nothing
	if (m_ToolTip.GetToolCount() == 0) return;

	// Activate tooltip
	m_ToolTip.Activate(bActivate);
} // End of EnableTooltip


BOOL CButtonST::GetDefault()
{
	return m_bIsDefault;
} // End of GetDefault


void CButtonST::DrawTransparent(BOOL bRepaint)
{
	m_bDrawTransparent = TRUE;

	// Restore old bitmap (if any)
	if (m_dcBk.m_hDC != NULL && m_pbmpOldBk != NULL)
	{
		m_dcBk.SelectObject(m_pbmpOldBk);
	} // if

	m_bmpBk.DeleteObject();
	m_dcBk.DeleteDC();

	// Repaint the button
	if (bRepaint == TRUE) Invalidate();
} // End of DrawTransparent


void CButtonST::InitToolTip()
{
	if (m_ToolTip.m_hWnd == NULL)
	{
		// Create ToolTip control
		m_ToolTip.Create(this);
		// Create inactive
		m_ToolTip.Activate(FALSE);
		// Enable multiline
		m_ToolTip.SendMessage(TTM_SETMAXTIPWIDTH, 0, 400);
	} // if
} // End of InitToolTip


void CButtonST::PaintBk(CDC* pDC)
{
	CClientDC clDC(GetParent());
	CRect rect;
	CRect rect1;

	GetClientRect(rect);

	GetWindowRect(rect1);
	GetParent()->ScreenToClient(rect1);

	if (m_dcBk.m_hDC == NULL)
	{
		m_dcBk.CreateCompatibleDC(&clDC);
		m_bmpBk.CreateCompatibleBitmap(&clDC, rect.Width(), rect.Height());
		m_pbmpOldBk = m_dcBk.SelectObject(&m_bmpBk);
		m_dcBk.BitBlt(0, 0, rect.Width(), rect.Height(), &clDC, rect1.left, rect1.top, SRCCOPY);
	} // if

	pDC->BitBlt(0, 0, rect.Width(), rect.Height(), &m_dcBk, 0, 0, SRCCOPY);
} // End of PaintBk


HBRUSH CButtonST::CtlColor(CDC* pDC, UINT nCtlColor) 
{
	return (HBRUSH)::GetStockObject(NULL_BRUSH); 
} // End of CtlColor


void CButtonST::OnSysColorChange() 
{
	CButton::OnSysColorChange();

	m_dcBk.DeleteDC();
	m_bmpBk.DeleteObject();	
} // End of OnSysColorChange

BOOL CButtonST::OnClicked() 
{	
	if (m_bIsCheckBox == TRUE)
	{
		m_nCheck = !m_nCheck;
		Invalidate();
	} // if
	else
	{
		// Handle the URL (if any)
		if (::lstrlen(m_szURL) > 0)
			::ShellExecute(NULL, _T("open"), m_szURL, NULL,NULL, SW_SHOWMAXIMIZED);
	} // else

	return FALSE;
} // End of OnClicked

void CButtonST::SetCheck(int nCheck, BOOL bRepaint)
{
	if (m_bIsCheckBox == TRUE)
	{
		if (nCheck == 0) m_nCheck = 0;
		else m_nCheck = 1;

		if (bRepaint == TRUE) Invalidate();
	} // if
} // End of SetCheck

int CButtonST::GetCheck()
{
	return m_nCheck;