caption.cpp

3D reconstruction, medical image processing from colons, using intel image processing for based clas

		RxSuppressStyle ss(wnd.GetSafeHwnd(), WS_VISIBLE);
		Default();						// Normal message handling
	}
	Refresh();
}

//////////
// Ensure caption is repainted when system colors change
//
void RxCaption::OnColorChange()
{	 
	Default();							 // Normal message handling
	Refresh();
}

void RxCaption::PaintCaption()
{
	ASSERT(m_pWndHooked);
	CWnd&	wnd		= *m_pWndHooked;
	DWORD	dwStyle	= wnd.GetStyle();

	CWindowDC	dc(&wnd);

	CRect	rcCaption, rcButton, rcText;
	rcCaption  = GetCaptionRect();

	CDC			dcMem;
	CBitmap		bmpMem, *pOldBitmap;
	dcMem.CreateCompatibleDC(&dc);
	bmpMem.CreateCompatibleBitmap(&dc, rcCaption.Width(), rcCaption.Height());
	pOldBitmap  = dcMem.SelectObject(&bmpMem);
	{
		int cxIcon = GetSystemMetrics(SM_CXSIZE);
		int cyIcon = GetSystemMetrics(SM_CYSIZE);
		rcText = rcCaption;

		CBrush		brush, *pOldBrush;
		brush.CreateSolidBrush(m_bActive ? GetActiveColor() : GetInactiveColor());
		pOldBrush = dcMem.SelectObject(&brush);
		dcMem.PatBlt(0, 0, rcCaption.Width(), rcCaption.Height(), PATCOPY);
		dcMem.SelectObject(pOldBrush);
		brush.DeleteObject();

		rcText.left  = 2;
		rcText.right = rcCaption.right - 4;

		if(cxIcon >= 25)
		{
			// window XP style
			// If there's no icon or system menu, don't draw one
			if(dwStyle & WS_SYSMENU)
			{
				//////////////
				// Within the basic button rectangle, Windows 95 uses a 1 or 2 pixel border
				// Icon has 2 pixel border on left, 1 pixel on top/bottom, 0 right
				//
				rcButton.left = 0;
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + cxIcon;
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(2, 1, 0, 1);
				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.left = rcButton.right + 2;

				//////////////
				// Close box has a 2 pixel border on all sides but left, which is zero
				//
				rcButton.left = (rcCaption.Width() - (cxIcon-2));
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + (cxIcon-4);
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(0, 2, 0, 2);

				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.right = rcButton.left - 4;
			}

			//////////////
			// Max/restore button is like close box; just shift rectangle left
			// Also does help button, if any.
			//
			if ((dwStyle & WS_MAXIMIZEBOX) || (wnd.GetExStyle() & WS_EX_CONTEXTHELP)) 
			{
				rcButton.left = (rcCaption.Width() - (cxIcon-2)*2);
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + (cxIcon-4);
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(0, 2, 0, 2);

				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.right = rcButton.left - 4;
			}

			///////////////
			// Minimize button has 2 pixel border on all sides but right.
			//
			if (dwStyle & WS_MINIMIZEBOX) 
			{
				rcButton.left = (rcCaption.Width() - (cxIcon-2)*3);
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + (cxIcon-4);
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(0, 2, 0, 2);

				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.right = rcButton.left - 4;
			}
		}
		else
		{
			// window 95, 2000 style
			// If there's no icon or system menu, don't draw one
			if(dwStyle & WS_SYSMENU)
			{
				//////////////
				// Within the basic button rectangle, Windows 95 uses a 1 or 2 pixel border
				// Icon has 2 pixel border on left, 1 pixel on top/bottom, 0 right
				//
				rcButton.left = 0;
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + cxIcon;
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(2, 1, 0, 1);
				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.left = rcButton.right + 2;

				//////////////
				// Close box has a 2 pixel border on all sides but left, which is zero
				//
				rcButton.left = (rcCaption.Width() - cxIcon);
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + cxIcon;
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(0, 2, 2, 2);

				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.right = rcButton.left - 4;
			}

			//////////////
			// Max/restore button is like close box; just shift rectangle left
			// Also does help button, if any.
			//
			if ((dwStyle & WS_MAXIMIZEBOX) || (wnd.GetExStyle() & WS_EX_CONTEXTHELP)) 
			{
				rcButton.left = (rcCaption.Width() - cxIcon*2);
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + cxIcon;
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(0, 2, 2, 2);

				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.right = rcButton.left - 4;
			}

			///////////////
			// Minimize button has 2 pixel border on all sides but right.
			//
			if (dwStyle & WS_MINIMIZEBOX) 
			{
				rcButton.left = (rcCaption.Width() - cxIcon*3);
				rcButton.top  = 0;
				rcButton.right  = rcButton.left + cxIcon;
				rcButton.bottom = rcButton.top  + cyIcon;
				rcButton.DeflateRect(2, 2, 0, 2);

				PaintRect(&dcMem, rcButton, m_crMask);

				rcText.right = rcButton.left - 4;
			}
		}

		///////////////
		// Draw Text
		//
		CString		strText;
		wnd.GetWindowText(strText);

		// Get caption font	and select into DC
		CFont	*pOldFont = dcMem.SelectObject(GetFont());
		dcMem.SetBkMode(TRANSPARENT);			// draw on top of our background
		dcMem.SetTextColor(GetTextColor(m_bActive));
		dcMem.DrawText(strText, rcText, DT_LEFT|DT_END_ELLIPSIS);
		dcMem.SelectObject(pOldFont);

		///////////////
		// Draw lower border
		//
		CRect	rcBorder;
		rcBorder.left   = 0;
		rcBorder.top    = rcCaption.Height() - GetSystemMetrics(SM_CYBORDER);
		rcBorder.right  = rcCaption.right;
		rcBorder.bottom = rcCaption.Height();

		PaintRect(&dcMem, rcBorder, RGB( 74, 74, 74));
	}

	TransparentBlt(dc.GetSafeHdc(), rcCaption.left, rcCaption.top, rcCaption.Width(), rcCaption.Height(),
						dcMem.GetSafeHdc(), 0, 0, rcCaption.Width(), rcCaption.Height(), m_crMask);
	
	dcMem.SelectObject(pOldBitmap);
	bmpMem.DeleteObject();
	dcMem.DeleteDC();

	wnd.ReleaseDC(&dc);
}

// Paint the color into the rectangle dimensions on the device context
void RxCaption::PaintRect(CDC* pDC, CRect rect, COLORREF color)
{
	CBrush brush(color), *pOldBrush;
	pOldBrush = pDC->SelectObject(&brush);
	pDC->PatBlt(rect.left, rect.top, rect.Width(), rect.Height(), PATCOPY);
	pDC->SelectObject(pOldBrush);
	brush.DeleteObject();
}

CRect RxCaption::GetCaptionRect()
{
	ASSERT(m_pWndHooked);
	CWnd&	wnd = *m_pWndHooked;

	// Get window rect as window-relative
	CRect	rcCaption;
	wnd.GetWindowRect(rcCaption);
	rcCaption -= rcCaption.TopLeft();	// shift origin to (0,0)

	////////////////////////////////////////
	// Get size of frame around window
	CSize szFrame = (wnd.GetStyle() & WS_THICKFRAME) ?
		CSize(GetSystemMetrics(SM_CXSIZEFRAME),  GetSystemMetrics(SM_CYSIZEFRAME)) :
		CSize(GetSystemMetrics(SM_CXFIXEDFRAME), GetSystemMetrics(SM_CYFIXEDFRAME));
	rcCaption.InflateRect(-szFrame.cx, -szFrame.cy);
	rcCaption.bottom = rcCaption.top + GetSystemMetrics(SM_CYCAPTION);	// height of caption

	// Iconic captions move 1 pixel up. They just do, OK?
	//
	if (wnd.IsIconic())
		rcCaption.OffsetRect(0, -1);
	
	return rcCaption;
}

/////////////////////////////////////////////////////////////////////////////
// Color Infomation.

void RxCaption::SetActiveColor(COLORREF crActive)
{
	m_crActive = crActive;
}

void RxCaption::SetInactiveColor(COLORREF crInactive)
{
	m_crInactive = crInactive;
}

void RxCaption::SetCustomColors(COLORREF crActive, COLORREF crInactive)
{
	m_crActive		= crActive;
	m_crInactive	= crInactive;
}

void RxCaption::UseSystemActiveColor()
{
	m_crActive = -1;
}

void RxCaption::UseSystemInactiveColor()
{
	m_crInactive = -1;
}

void RxCaption::UseSystemColors()
{
	UseSystemActiveColor();
	UseSystemInactiveColor();
}

BOOL RxCaption::IsUsingSystemColors()
{
	return m_crActive == -1;
}

COLORREF RxCaption::GetActiveColor() const
{
	return m_crActive == -1 ? GetSysColor(COLOR_ACTIVECAPTION) : m_crActive;
}

COLORREF RxCaption::GetInactiveColor() const
{
	return m_crInactive == -1 ? GetSysColor(COLOR_INACTIVECAPTION) : m_crInactive;
}


COLORREF RxCaption::GetTextColor(BOOL bActive)
{
	return bActive ? GetActiveTextColor() : GetInactiveTextColor();
}

void RxCaption::SetActiveTextColor(COLORREF crActiveText)
{
	m_crActiveText = crActiveText;
}

void RxCaption::SetInactiveTextColor(COLORREF crInactiveText)
{
	m_crInactiveText = crInactiveText;
}

COLORREF RxCaption::GetActiveTextColor() const
{
	return m_crActiveText == -1 ? GetSysColor(COLOR_CAPTIONTEXT) : m_crActiveText;
}

COLORREF RxCaption::GetInactiveTextColor() const
{
	return m_crInactiveText == -1 ? GetSysColor(COLOR_INACTIVECAPTIONTEXT) : m_crInactiveText;
}

void RxCaption::SetFont(CFont& font)
{
	LOGFONT lf;
	font.GetLogFont(&lf);

	if (m_font.m_hObject)
		m_font.DeleteObject();

	m_font.CreateFontIndirect(&lf);
}

CFont* RxCaption::GetFont()
{
	if(!m_font.m_hObject)
	{
		if(!m_fontSys.m_hObject)
		{
			NONCLIENTMETRICS ncm;
			memset(&ncm, 0, sizeof(ncm));
			ncm.cbSize = sizeof(ncm);
			SystemParametersInfo(SPI_GETNONCLIENTMETRICS, 0, &ncm, 0);

			m_fontSys.CreateFontIndirect(&ncm.lfCaptionFont);
		}

		return &m_fontSys;
	}
	else
		return &m_font;
}