Click here to Skip to main content
12,501,479 members (50,639 online)
Click here to Skip to main content

Stats

76.1K views
2.4K downloads
33 bookmarked
Posted

Cyclomatic Complexity Viewer

, 30 Jun 2005
A Cyclomatic complexity viewer application.
Program Files
CCMetricViewer
1033
Resource.dll
CCMetricViewer.dll
C++ Programs
CCMetricViewer
AddIn.def
AddIn.rgs
ccmlogo.bmp
logo.bmp
mlogo.bmp
Resource
ccmlogo.bmp
mlogo.bmp
Microsoft Visual Studio
COMMON
MSDev98
AddIns
CycloComplexViewer.dll
CycloComplexViewer
CycloComplexViewer.clw
CycloComplexViewer.def
CycloComplexViewer.dsp
CycloComplexViewer.dsw
CycloComplexViewer.odl
res
logo.ico
TBarLrge.bmp
TBarMedm.bmp
// Label.cpp : implementation file
//

#include "stdafx.h"
#include "Label.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

BEGIN_MESSAGE_MAP(CLabel, CStatic)
	//{{AFX_MSG_MAP(CLabel)
	ON_WM_TIMER()
	ON_WM_LBUTTONDOWN()
	ON_WM_SETCURSOR()
	ON_WM_SYSCOLORCHANGE()
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLabel Version 1.2
//
// From now on I'll try to keep a log of fixes and enhancements...
// 
// The new feature were added due to the response of people.
// All I ask is to all you programmers out there, is if you add, fix or
// enhance this code, sent me a copy and I'll send the copy on to www.codeproject.com
//
// Happy Software Engineer :)
// 
// New features include:
//
// A. Support for 3D Fonts
// B. Support for background transparency
// C. More comments provided
// D. If alignment is 'centered' and the window text is seperated by '\r\n'
//	  the will be centered accordingly - requested by someone @ nasa ;)
// E. Support for font rotation.
// F. Respond to System Color Change
// G. OnPaint improved performance - using Double Buffering Technique
//
// Thanks to:
// Mark McDowell	- For suggestion on 'Increasing the flexibility of "hypertext" setting...'
// Erich Ruth		- For suggestion on 'Font Rotation'
//

/////////////////////////////////////////////////////////////////////////////
// CLabel Version 1.3
//
// A. Added SS_LEFTNOWORDWRAP to include wordwrap
// B. Fix repainting problem 
// C. Fix SetBkColor
// D. Added SS_CENTER

// Thanks to:
// Marius						- Added styling problem.
// Azing Vondeling & Broker		- Spotting painting Problem.
// Mel Stober					- Back Color & SS_CENTER
// 
/////////////////////////////////////////////////////////////////////////////
// CLabel Version 1.4
//
// A. Fix to transparency mode
// B. Added new SetText3DHiliteColor to change the 3D Font face color - default is white.
// 
// Thanks to:
// michael.groeger				- Spotting Transparency with other controls bug.
//
//
/////////////////////////////////////////////////////////////////////////////
// CLabel Version 1.5
//
// A. Sanity handle check
// B. Support Interface Charset
// C. Check compilition with _UNICODE
// D. Fix hyperlink feature
// E. Support default Dialog Font
// F. Inclusion of SS_OWNERDRAW via control creation and subclassing
// G. Modification to Text aligmnent code
// H. New background gradient fill function
// 
// Thanks to:
// Steve Kowald				- Using null handles 
// Alan Chan				- Supporting International Windows
// Dieter Fauth				- Request for default Dialog font
// Herb Illfelder			- Text Alignment code
// 
/////////////////////////////////////////////////////////////////////////////
// CLabel Version 1.6
// Jeroen Roosendaal		- SetFont suggestion
// Laurent					- Spotting SelectObject bugs
// Bernie					- Fix PreCreateWindow bug
// Jignesh I. Patel			- Added expanded tabs feature
// Jim Farmelant 			- Fix SetText crash


//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::CLabel
//
// Description:		Default contructor
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel::CLabel()
{
	m_crText = GetSysColor(COLOR_WINDOWTEXT);

// 1.1
	m_hBackBrush = NULL;


	m_crHiColor =		0;
	m_crLoColor	=		0;

	m_bTimer =			FALSE;
	m_bState =			FALSE;
	m_bTransparent =	FALSE;
	m_Link =			LinkNone;
	m_hCursor =			NULL;
	m_Type =			None;
	m_bFont3d =			FALSE;
	m_bNotifyParent =	FALSE;
	m_bToolTips =		FALSE;
	m_bRotation =		FALSE;
	m_fillmode =		Normal;
	m_cr3DHiliteColor =	RGB(255,255,255);
	
	m_hwndBrush = ::CreateSolidBrush(GetSysColor(COLOR_3DFACE));
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::~CLabel
//
// Description:		
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
// NT ALMOND				15092000	1.5		Handle Check
//////////////////////////////////////////////////////////////////////////
CLabel::~CLabel()
{
	// Clean up
	m_font.DeleteObject();
	::DeleteObject(m_hwndBrush);

	// Stop Checking complaining
	if (m_hBackBrush)
		::DeleteObject(m_hBackBrush);
	
}

void CLabel::UpdateSurface()
{
	CRect (rc);
	GetWindowRect(rc);
	RedrawWindow();

	GetParent()->ScreenToClient(rc);
	GetParent()->InvalidateRect(rc,TRUE);
	GetParent()->UpdateWindow();
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::ReconstructFont
//
// Description:		Helper function to build font after it was changed
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			PROTECTED
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
void CLabel::ReconstructFont()
{
	m_font.DeleteObject();
	BOOL bCreated = m_font.CreateFontIndirect(&m_lf);

	ASSERT(bCreated);
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::OnPaint
//
// Description:		Handles all the drawing code for the label
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			Called by Windows... not by USER
//					Probably needs tiding up a some point.
//					Different states will require this code to be reworked.
//
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				22/10/98    1.0     Origin
// NT ALMOND				15092000	1.5		Handle Check
// NT ALMOND				15092000	1.5		Alignment mods
// NT ALMOND				15092000	1.5		Gradient Fill Mode
// NT ALMOND				02072002	1.6		Fill SelectObject bugs
// NT ALMOND				02072002	1.6		Added to expand tabs
//////////////////////////////////////////////////////////////////////////

void CLabel::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	DWORD dwFlags = 0;

	CRect rc;
	GetClientRect(rc);
	CString strText;
	GetWindowText(strText);
	CBitmap bmp;


	///////////////////////////////////////////////////////
	//
	// Set up for double buffering...
	//
	CDC* pDCMem;
	CBitmap*	pOldBitmap = NULL;

	if (!m_bTransparent)
	{
		pDCMem = new CDC;
		pDCMem->CreateCompatibleDC(&dc);
		bmp.CreateCompatibleBitmap(&dc,rc.Width(),rc.Height());
		pOldBitmap = pDCMem->SelectObject(&bmp);
	}
	else
	{
		pDCMem = &dc;
	}

	UINT nMode = pDCMem->SetBkMode(TRANSPARENT);


	COLORREF crText = pDCMem->SetTextColor(m_crText);
	CFont *pOldFont = pDCMem->SelectObject(&m_font);


	// Fill in backgound if not transparent
	if (!m_bTransparent)
	{
		if (m_fillmode == Normal)
		{
			CBrush br;
			
			if (m_hBackBrush != NULL)
				br.Attach(m_hBackBrush);
			else
				br.Attach(m_hwndBrush);
					
			pDCMem->FillRect(rc,&br);

			br.Detach();
		}
		else // Gradient Fill
		{
			DrawGradientFill(pDCMem, &rc, m_crLoColor, m_crHiColor, 100);
		}

	}
	

	// If the text is flashing turn the text color on
	// then to the color of the window background.

	LOGBRUSH lb;
	ZeroMemory(&lb,sizeof(lb));

	// Stop Checking complaining
	if (m_hBackBrush)
		::GetObject(m_hBackBrush,sizeof(lb),&lb);


	// Something to do with flashing
	if (!m_bState && m_Type == Text)
		pDCMem->SetTextColor(lb.lbColor);

	DWORD style = GetStyle();
	
	switch (style & SS_TYPEMASK)
	{
		case SS_RIGHT: 
			dwFlags = DT_RIGHT | DT_WORDBREAK; 
			break; 
		
		case SS_CENTER: 
			dwFlags = SS_CENTER | DT_WORDBREAK;
			break;

		case SS_LEFTNOWORDWRAP: 
			dwFlags = DT_LEFT; 
			break;

		default: // treat other types as left
			case SS_LEFT: 
				dwFlags = DT_LEFT | DT_WORDBREAK; 
				break;
	}	

		
	// Added to expand tabs...
	if(strText.Find(_T('\t')) != -1)
		dwFlags |= DT_EXPANDTABS;

	// If the text centered make an assumtion that
	// the will want to center verticly as well
	if (style & SS_CENTERIMAGE)
	{
		dwFlags = DT_CENTER;

		// Apply 
		if (strText.Find(_T("\r\n")) == -1)
		{
			dwFlags |= DT_VCENTER;

			// And because DT_VCENTER only works with single lines
			dwFlags |= DT_SINGLELINE; 
		}

	}

	//
	// 3333   DDDDD
	//     3  D    D
	//   33   D     D    E F X 
	//     3  D    D
	// 3333   DDDDD
	//
	//
	if (m_bRotation)
	{
		int nAlign = pDCMem->SetTextAlign (TA_BASELINE);

		CPoint pt;
		GetViewportOrgEx (pDCMem->m_hDC,&pt) ;
		SetViewportOrgEx (pDCMem->m_hDC,rc.Width() / 2, rc.Height() / 2, NULL) ;
		pDCMem->TextOut (0, 0, strText) ;
		SetViewportOrgEx (pDCMem->m_hDC,pt.x / 2, pt.y / 2, NULL) ;
		pDCMem->SetTextAlign (nAlign);
	}
	else
	{
		pDCMem->DrawText(strText,rc,dwFlags);
		if (m_bFont3d)
		{
			pDCMem->SetTextColor(m_cr3DHiliteColor);

			if (m_3dType == Raised)
				rc.OffsetRect(-1,-1);
			else
				rc.OffsetRect(1,1);

			pDCMem->DrawText(strText,rc,dwFlags);
			m_3dType;

		}
	}

	// Restore DC's State
	pDCMem->SetBkMode(nMode);
	pDCMem->SelectObject(pOldFont);
	pDCMem->SetTextColor(crText);

	if (!m_bTransparent)
	{
		dc.BitBlt(0,0,rc.Width(),rc.Height(),pDCMem,0,0,SRCCOPY);
		// continue DC restore 
		pDCMem->SelectObject ( pOldBitmap ) ;
		delete pDCMem;
	}
}


//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::OnTimer
//
// Description:		Used in conjunction with 'FLASH' functions
//
// INPUTS:          Windows API
// 
// RETURNS:         Windows API
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
void CLabel::OnTimer(UINT nIDEvent) 
{

	m_bState = !m_bState;

	UpdateSurface();
	
	CStatic::OnTimer(nIDEvent);
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::OnSetCursor
//
// Description:		Used in conjunction with 'LINK' function
//
// INPUTS:          Windows API
// 
// RETURNS:         Windows API
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
BOOL CLabel::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message) 
{

	if (m_hCursor)
	{
		::SetCursor(m_hCursor);
		return TRUE;
	}

	return CStatic::OnSetCursor(pWnd, nHitTest, message);
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::OnLButtonDown
//
// Description:		Called when a link is click on
//
// INPUTS:          Windows API
// 
// RETURNS:         Windows API
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
// NT ALMOND				02072002    1.6     Added Mail support
//////////////////////////////////////////////////////////////////////////
void CLabel::OnLButtonDown(UINT nFlags, CPoint point) 
{

	if (!m_bNotifyParent) // Fix
	{
		CString strLink;

		GetWindowText(strLink);
		if (m_Link == HyperLink)
		{
			ShellExecute(NULL,_T("open"),m_sLink.IsEmpty() ? strLink : m_sLink,NULL,NULL,SW_SHOWNORMAL);
		}
		if (m_Link == MailLink)
		{
			strLink = "mailto:" + strLink;
			ShellExecute( NULL, NULL,  strLink,  NULL, NULL, SW_SHOWNORMAL );
		}
	}
	else
	{
		// To use notification in parent window
		// Respond to a OnNotify in parent and disassemble the message
		//
		NMHDR nm;

		nm.hwndFrom = GetSafeHwnd();
		nm.idFrom  = GetDlgCtrlID();
		nm.code = NM_LINKCLICK;
		GetParent()->SendMessage(WM_NOTIFY,nm.idFrom,(LPARAM) &nm);
	}
		
	CStatic::OnLButtonDown(nFlags, point);
}

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
// THE FUNCTIONS START HERE :----
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetText
//
// Description:		Short cut to set window text - caption - label
//
// INPUTS:          Text to use
// 
// RETURNS:         Reference to this
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26081998    1.0     Origin
// NT ALMOND				02072002    1.6     Crash Fix
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetText(const CString& strText)
{
	if(IsWindow(this->GetSafeHwnd())) 
	{
		SetWindowText(strText);
		UpdateSurface();
	}

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetTextColor
//
// Description:		Sets the text color 
//
// INPUTS:          True or false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				22/10/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetTextColor(COLORREF crText)
{

	m_crText = crText;
	
	UpdateSurface();
	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFontBold
//
// Description:		Sets the font ot bold 
//
// INPUTS:          True or false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				22/10/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFontBold(BOOL bBold)
{	

	m_lf.lfWeight = bBold ? FW_BOLD : FW_NORMAL;
	ReconstructFont();
	UpdateSurface();
	return *this;
}



//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFontUnderline
//
// Description:		Sets font underline attribue
//
// INPUTS:          True of false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFontUnderline(BOOL bSet)
{	
	m_lf.lfUnderline = bSet;
	ReconstructFont();
	UpdateSurface();

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFontItalic
//
// Description:		Sets font italic attribute
//
// INPUTS:          True of false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFontItalic(BOOL bSet)
{

	m_lf.lfItalic = bSet;
	ReconstructFont();
	UpdateSurface();

	return *this;	
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetSunken
//
// Description:		Sets sunken effect on border
//
// INPUTS:          True of false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetSunken(BOOL bSet)
{

	if (!bSet)
		ModifyStyleEx(WS_EX_STATICEDGE,0,SWP_DRAWFRAME);
	else
		ModifyStyleEx(0,WS_EX_STATICEDGE,SWP_DRAWFRAME);
		
	return *this;	
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetBorder
//
// Description:		Toggles the border on/off
//
// INPUTS:          True of false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetBorder(BOOL bSet)
{

	if (!bSet)
		ModifyStyle(WS_BORDER,0,SWP_DRAWFRAME);
	else
		ModifyStyle(0,WS_BORDER,SWP_DRAWFRAME);
		
	return *this;	
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFontSize
//
// Description:		Sets the font size
//
// INPUTS:          True of false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFontSize(int nSize)
{

	CFont cf;
	LOGFONT lf;

	cf.CreatePointFont(nSize * 10, m_lf.lfFaceName);
	cf.GetLogFont(&lf);

	m_lf.lfHeight = lf.lfHeight;
	m_lf.lfWidth  = lf.lfWidth;

//	nSize*=-1;
//	m_lf.lfHeight = nSize;
	ReconstructFont();
	UpdateSurface();

	return *this;
}


//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetBkColor
//
// Description:		Sets background color
//
// INPUTS:          Colorref of background color
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetBkColor(COLORREF crBkgnd, COLORREF crBkgndHigh , BackFillMode mode)
{

	m_crLoColor = crBkgnd;
	m_crHiColor = crBkgndHigh;

	m_fillmode = mode;

	if (m_hBackBrush)
		::DeleteObject(m_hBackBrush);

	
	if (m_fillmode == Normal)
		m_hBackBrush = ::CreateSolidBrush(crBkgnd);

	UpdateSurface();

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFontName
//
// Description:		Sets the fonts face name
//
// INPUTS:          String containing font name
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
// NT ALMOND				15092000	1.5		Support internation windows
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFontName(const CString& strFont, BYTE byCharSet /* Default = ANSI_CHARSET */)
{	

	m_lf.lfCharSet = byCharSet;

	_tcscpy(m_lf.lfFaceName,strFont);
	ReconstructFont();
	UpdateSurface();

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::FlashText
//
// Description:		As the function states
//
// INPUTS:          True or false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::FlashText(BOOL bActivate)
{

	if (m_bTimer)
		KillTimer(1);

	if (bActivate)
	{
		m_bState = FALSE;
		
		m_bTimer = TRUE;
		
		SetTimer(1,500,NULL);

		m_Type = Text;
	}
	else
		m_Type = None; // Fix

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::FlashBackground
//
// Description:		As the function states
//
// INPUTS:          True or false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::FlashBackground(BOOL bActivate)
{

	if (m_bTimer)
		KillTimer(1);

	if (bActivate)
	{
		m_bState = FALSE;

		m_bTimer = TRUE;
		SetTimer(1,500,NULL);

		m_Type = Background;
	}

	return *this;
}


//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetLink
//
// Description:		Indicates the string is a link
//
// INPUTS:          True or false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
// NT ALMOND				26/08/99	1.2		Added flexbility of
//												Sending Click meessage to parent
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetLink(BOOL bLink,BOOL bNotifyParent)
{

	if (bLink)
		m_Link = HyperLink;
	else
		m_Link = LinkNone;

	m_bNotifyParent = bNotifyParent;

	if (m_Link != LinkNone)
		ModifyStyle(0,SS_NOTIFY);
	else
		ModifyStyle(SS_NOTIFY,0);

  

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetLinkCursor
//
// Description:		Sets the internet browers link
//
// INPUTS:          Handle of cursor
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				26/08/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetLinkCursor(HCURSOR hCursor)
{

	m_hCursor = hCursor;
	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetTransparent
//
// Description:		Sets the Label window to be transpaent
//
// INPUTS:          True or false
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				22/10/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetTransparent(BOOL bSet)
{

	m_bTransparent = bSet;
	ModifyStyleEx(0,WS_EX_TRANSPARENT); // Fix for transparency
	UpdateSurface();

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFont3D
//
// Description:		Sets the 3D attribute of the font.
//
// INPUTS:          True or false, Raised or Sunken
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				22/10/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFont3D(BOOL bSet,Type3D type)
{

	m_bFont3d = bSet;
	m_3dType = type;
	UpdateSurface();


	return *this;
}

void CLabel::OnSysColorChange() 
{

	if (m_hwndBrush)
		::DeleteObject(m_hwndBrush);

	m_hwndBrush = ::CreateSolidBrush(GetSysColor(COLOR_3DFACE));
	
	UpdateSurface();

		
}



//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetRotationAngle
//
// Description:		Sets the rotation angle for the current font.
//
// INPUTS:          Angle in Degress
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				22/10/98    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetRotationAngle(UINT nAngle,BOOL bRotation)
{
	// Arrrrh...
	// Your looking in here why the font is rotating, aren't you?
	// Well try setting the font name to 'Arial' or 'Times New Roman'
	// Make the Angle 180 and set bRotation to true.
	//
	// Font rotation _ONLY_ works with TrueType fonts...
	//
	// 
	m_lf.lfEscapement = m_lf.lfOrientation = (nAngle * 10);
	m_bRotation = bRotation;
	
	ReconstructFont();
	
	UpdateSurface();


	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetText3DHiliteColor
//
// Description:		Sets the 3D font hilite color
//
// INPUTS:          Color 
// 
// RETURNS:         Reference to 'this' object
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				17/07/00    1.0     Origin
//
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetText3DHiliteColor(COLORREF cr3DHiliteColor)
{
	m_cr3DHiliteColor = cr3DHiliteColor;
	UpdateSurface();


	return *this;
}


//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::PreSubclassWindow
//
// Description:		Assigns default dialog font
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				15092000    1.5     Origin
// NT ALMOND				02072002    1.6     Fix crash when GetFont returns NULL
//////////////////////////////////////////////////////////////////////////
void CLabel::PreSubclassWindow() 
{

	CStatic::PreSubclassWindow();

	CFont* cf = GetFont();
	if(cf !=NULL)
	{
		cf->GetObject(sizeof(m_lf),&m_lf);
	}
	else
	{
		GetObject(GetStockObject(SYSTEM_FONT),sizeof(m_lf),&m_lf);
	}

	ReconstructFont();
	
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::PreCreateWindow
//
// Description:		
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				15092000    1.5     Origin
//////////////////////////////////////////////////////////////////////////
BOOL CLabel::PreCreateWindow(CREATESTRUCT& cs) 
{	
	return CStatic::PreCreateWindow(cs);
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::DrawGradientFill
//
// Description:		Internal help function to gradient fill background
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				15092000    1.5     Origin
//////////////////////////////////////////////////////////////////////////
void CLabel::DrawGradientFill(CDC* pDC, CRect* pRect, COLORREF crStart, COLORREF crEnd, int nSegments)
{
	// Get the starting RGB values and calculate the incremental
	// changes to be applied.

	COLORREF cr;
	int nR = GetRValue(crStart);
	int nG = GetGValue(crStart);
	int nB = GetBValue(crStart);

	int neB = GetBValue(crEnd);
	int neG = GetGValue(crEnd);
	int neR = GetRValue(crEnd);

	if(nSegments > pRect->Width())
		nSegments = pRect->Width();

	int nDiffR = (neR - nR);
	int nDiffG = (neG - nG);
	int nDiffB = (neB - nB);

	int ndR = 256 * (nDiffR) / (max(nSegments,1));
	int ndG = 256 * (nDiffG) / (max(nSegments,1));
	int ndB = 256 * (nDiffB) / (max(nSegments,1));

	nR *= 256;
	nG *= 256;
	nB *= 256;

	neR *= 256;
	neG *= 256;
	neB *= 256;

	int nCX = pRect->Width() / max(nSegments,1), nLeft = pRect->left, nRight;
	pDC->SelectStockObject(NULL_PEN);

	for (int i = 0; i < nSegments; i++, nR += ndR, nG += ndG, nB += ndB)
	{
		// Use special code for the last segment to avoid any problems
		// with integer division.

		if (i == (nSegments - 1))
			nRight = pRect->right;
		else
			nRight = nLeft + nCX;

		cr = RGB(nR / 256, nG / 256, nB / 256);
		
		{
			CBrush br(cr);
			CBrush* pbrOld = pDC->SelectObject(&br);
			pDC->Rectangle(nLeft, pRect->top, nRight + 1, pRect->bottom);
			pDC->SelectObject(pbrOld);
		}

		// Reset the left side of the drawing rectangle.

		nLeft = nRight;
	}
}


//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetFont
//
// Description:		Sets font with LOGFONT structure
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				02072002    1.6     Origin
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetFont(LOGFONT lf)
{
	CopyMemory(&m_lf, &lf, sizeof(m_lf));
	ReconstructFont();
	UpdateSurface();
	return *this;

}

BOOL CLabel::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	
	return TRUE;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetMailLink
//
// Description:		Sets the label so it becomes Mail enabled
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				02072002    1.6     Origin
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetMailLink(BOOL bEnable, BOOL bNotifyParent)
{
	if (bEnable)
		m_Link = MailLink;
	else
		m_Link = LinkNone;


	m_bNotifyParent = bNotifyParent;

	if (m_Link != LinkNone)
		ModifyStyle(0,SS_NOTIFY);
	else
		ModifyStyle(SS_NOTIFY,0);

	return *this;
}

//////////////////////////////////////////////////////////////////////////
//
// Function:		CLabel::SetHyperLink
//
// Description:		Sets the label so it becomes hyperlink enabled
//
// INPUTS:          
// 
// RETURNS:         
//
// NOTES:			
// 
// MODIFICATIONS:
//
// Name                     Date        Version Comments
// NT ALMOND				02072002    1.6     Origin
//////////////////////////////////////////////////////////////////////////
CLabel& CLabel::SetHyperLink(const CString& sLink)
{
	m_sLink = sLink;

	return *this;
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

Share

About the Author

Franz Klein
United Kingdom United Kingdom
I am a qualified Veterinary Surgeon who prefers treating computers with viruses than animals with viruses. I have recently completed a MEng German Informatics degree at the University of Reading with a 2:1. I also have the ISEB Foundation Certificate in Software Testing.

Currently I am umemployed and desparately looking for a job in the IT industry.

You may also be interested in...

Pro
Pro
| Advertise | Privacy | Terms of Use | Mobile
Web02 | 2.8.160919.1 | Last Updated 1 Jul 2005
Article Copyright 2005 by Franz Klein
Everything else Copyright © CodeProject, 1999-2016
Layout: fixed | fluid