color.cpp

组态王图库开发包

/////////////////////////////////////////////////////////////////////////
///////////////      cololine.cpp   /////////////////////////////////////
/////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
//#include "resource.h"
#include "color.h"
#include "colorwnd.h"

IMPLEMENT_DYNAMIC( CColorButton,CButton )
BOOL CColorButton::Create(LPCSTR lpszCaption, DWORD dwStyle,
           		const RECT& rect, CWnd* pParentWnd, UINT nID)
{       
       ASSERT( dwStyle &  BS_OWNERDRAW );
       if (pParentWnd == NULL)
		  pParentWnd = AfxGetApp()->m_pMainWnd;

	   if (pParentWnd != NULL)
		  ASSERT_VALID(pParentWnd);
		  ASSERT(nID);
		  ASSERT(rect.bottom>=rect.top && rect.right>=rect.left); 
   	  
	   return CWnd::Create("button", lpszCaption, dwStyle, rect, pParentWnd, nID);
}
    

BOOL CColorButton::CreatePopUpWindow ( 
	                         LPCSTR lpszWindowName, 
	                         const RECT& rect,
	                         CWnd* pParentWnd )  
{     
	::CoInitialize(NULL);
	IUnknown * pIUnkn;
	IColorPalette* pIColorPalette = NULL;
	HRESULT hr = ::CoCreateInstance(CLSID_ColorPalette, NULL, CLSCTX_INPROC_SERVER  ,
									IID_IUnknown, (LPVOID *)&pIUnkn);
	if ( FAILED(hr) )
	{
		ASSERT(0);
		return FALSE;
	}
	if ( pIUnkn->QueryInterface(IID_IColorPalette, (LPVOID*)&pIColorPalette) != S_OK )
	{
		pIUnkn->Release();
		return FALSE;
	}
	pIUnkn->Release();
	ASSERT(pIColorPalette);
	COLORREF* pColor = new COLORREF;
	*pColor = m_color;
    pIColorPalette->PopupWindow((OLE_HANDLE)pParentWnd->m_hWnd,(short)rect.left,(short)rect.top,(unsigned long*)pColor);
    m_color = *pColor;
	pIColorPalette->Release();
	pIColorPalette = NULL;
	delete pColor;
	::CoUninitialize();
    return TRUE;
}        

void CColorButton::DrawFrame( LPDRAWITEMSTRUCT lpDIS )
{   
    ASSERT( lpDIS );
    CDC*  pDC = CDC::FromHandle( lpDIS->hDC );             
    CBrush  *pOldBrush;
    pOldBrush = (CBrush*) pDC->SelectStockObject( LTGRAY_BRUSH );
    
    CRect  rectT( lpDIS->rcItem.left,lpDIS->rcItem.top,lpDIS->rcItem.right,lpDIS->rcItem.bottom ); 
    int Width = rectT.Width();
    int Height = rectT.Height();
    pDC->PatBlt(rectT.left,rectT.top,Width,Height,PATCOPY );
    pDC->SelectStockObject( BLACK_BRUSH );
    pDC->PatBlt(rectT.left,rectT.top,Width,1,PATCOPY ); 
    pDC->PatBlt(rectT.right-1,rectT.top,1,Height,PATCOPY ); 
    
    pDC->PatBlt( rectT.left,rectT.top,1,Height,PATCOPY );
    pDC->PatBlt( rectT.left,rectT.bottom-1,Width,1,PATCOPY );   
    
    pDC->SelectObject( pOldBrush );     
}        

void CColorButton::DrawItem( LPDRAWITEMSTRUCT lpDIS)
{ 
  ASSERT( lpDIS );      
#ifdef _DEBUG
  CRect rect;
  rect.CopyRect( &lpDIS->rcItem ) ;
  ASSERT( rect.Width()>6 && rect.Height() >6 );
#endif  
  
  if( lpDIS->itemState & ODS_DISABLED)
    {
       ASSERT( !m_bShowPopWndFlag );
       DrawItemDisabled( lpDIS ); 
       return ;
    }          
    
  if( ! m_bShowPopWndFlag )  // NO POPUP WINDOW
  {
    if(  lpDIS->itemState & ODS_FOCUS )
       {
          DrawItemTabFocus( lpDIS ) ;  // SHOW THE FOCUS STATE BUTTON
          m_byState = FOCUSSTATE;
        }  
    else 
       {
         DrawItemUp( lpDIS );	     // SHOW THE UP STATE BUTTON
         m_byState = UPSTATE;      
       } 
  }
  else
    {
       DrawItemDown ( lpDIS );     // SHOW THE DOWN STATE BUTTON
       m_byState = DOWNSTATE;
    } 
  DrawOtherOnButton( lpDIS );  
 
} 

#ifdef _DEBUG       
    #define  GRAYTEST  1
    int  grayDebug = 0;
#endif    

#define ROP_PSDPxax   0x00B8074AL

void CColorButton::DrawItemDisabled( LPDRAWITEMSTRUCT lpDIS )
{                
  ASSERT( lpDIS );
  
  CDC *pdc = CDC::FromHandle( lpDIS->hDC );
  
  CDC memDCMono,memDC;
  memDC.CreateCompatibleDC( pdc );
  memDCMono.CreateCompatibleDC( pdc );
  
  CRect rectBtn;
  GetClientRect( rectBtn ); 
  
  int Width = rectBtn.Width();
  int Height = rectBtn.Height();
  ASSERT( Width > 6 && Height > 6 );
  
  CBitmap  bitmapT,*pOldBitmap;
  bitmapT.CreateCompatibleBitmap( pdc,Width,Height );
  pOldBitmap = memDC.SelectObject( &bitmapT );
  
  CBitmap bitmapMono,*pOldBitmapMono;
  bitmapMono.CreateBitmap( Width,Height,1,1,NULL );
  pOldBitmapMono = memDCMono.SelectObject( &bitmapMono );
  
  HDC hOldDC = lpDIS->hDC;
  lpDIS->hDC = ( HDC )memDC.GetSafeHdc(); 
  
  DrawItemUp( lpDIS );     
  
#ifdef _DEBUG
   if( grayDebug == GRAYTEST )
       pdc->BitBlt( 0,0,Width,Height,&memDC,0,0,SRCCOPY );  
        
#endif       
    
  DrawOtherOnButton( lpDIS ); 
  
#ifdef _DEBUG
   if( grayDebug == GRAYTEST )
       pdc->BitBlt( 0,0,Width,Height,&memDC,0,0,SRCCOPY );
#endif       
  
  
  //create mask     
  memDCMono.PatBlt( 0,0,Width,Height,WHITENESS );
  
  memDC.SetBkColor( ::GetSysColor( COLOR_BTNFACE ) );   
  memDCMono.BitBlt( 3,3,Width - 6,Height - 6,&memDC,3,3,SRCCOPY );  
  
  memDC.SetBkColor( ::GetSysColor( COLOR_BTNHIGHLIGHT ) );
  memDCMono.BitBlt( 3,3,Width - 6,Height - 6,&memDC,3,3,SRCPAINT );        
//memDCMono.BitBlt( 4,4,Width - 7,Height - 7,&memDCMono,3,3,SRCAND );  

  memDC.SetTextColor( 0L);                  // 0's in mono -> 0 (for ROP)
  memDC.SetBkColor((COLORREF)0x00FFFFFFL); // 1's in mono -> 1
  CBrush *pOldBrush =(CBrush*) memDC.SelectStockObject( WHITE_BRUSH );    
  memDC.BitBlt( 1,1,Width - 1 ,Height - 1,&memDCMono,0,0, ROP_PSDPxax );
  
  memDC.SelectStockObject( GRAY_BRUSH );
  memDC.BitBlt( 0,0,Width,Height,&memDCMono,0,0,ROP_PSDPxax );
  
  pdc->BitBlt( 0,0,Width,Height,&memDC,0,0,SRCCOPY );
  
  memDC.SelectObject( pOldBrush );
  memDCMono.SelectObject( pOldBitmapMono );   
  memDC.SelectObject( pOldBitmap ); 
  
}  
  
  
void CColorButton::DrawItemUp(  LPDRAWITEMSTRUCT lpDIS )
{  
  ASSERT( lpDIS );
  DrawFrame( lpDIS );
  
  CDC*  pDC = CDC::FromHandle( lpDIS->hDC );             
  CBrush  *pOldBrush;
  CRect  rectT( lpDIS->rcItem.left,lpDIS->rcItem.top,lpDIS->rcItem.right,lpDIS->rcItem.bottom );   
     
  pOldBrush = ( CBrush*)pDC->SelectStockObject( WHITE_BRUSH ); 
  rectT.InflateRect( -1,-1 ); 
  int Width = rectT.Width();
  int Height = rectT.Height();
    
  pDC->PatBlt(rectT.left,rectT.top,Width,2,PATCOPY );
  pDC->PatBlt(rectT.left,rectT.top,2,Height,PATCOPY );
    
  pDC->SelectStockObject( GRAY_BRUSH );                       
  pDC->PatBlt(rectT.right-2,rectT.top+2,2,Height-2,PATCOPY );  
  pDC->PatBlt( rectT.left+2,rectT.bottom-2,Width-2,2,PATCOPY );
          
  pDC->SelectObject( pOldBrush );
}  

void CColorButton::DrawItemDown(  LPDRAWITEMSTRUCT lpDIS )
{
   ASSERT( lpDIS );
  DrawFrame( lpDIS );
  
  CDC*  pDC = CDC::FromHandle( lpDIS->hDC );             
  CBrush  *pOldBrush; 
  CRect  rectT( lpDIS->rcItem.left,lpDIS->rcItem.top,lpDIS->rcItem.right,lpDIS->rcItem.bottom );  
  
  pOldBrush = (CBrush*)pDC->SelectStockObject( GRAY_BRUSH ); 
  rectT.InflateRect( -1,-1 ); 
    
  pDC->PatBlt(rectT.left,rectT.top,2,rectT.Height(),PATCOPY );
  pDC->PatBlt(rectT.left,rectT.top,rectT.Width(),2,PATCOPY );
    
  pDC->SelectObject( pOldBrush );
}

void CColorButton::DrawItemTabFocus( LPDRAWITEMSTRUCT lpDIS )
{   
    ASSERT( lpDIS);
    
    CDC*  pDC = CDC::FromHandle( lpDIS->hDC );             
    CBrush  *pOldBrush;
    pOldBrush = (CBrush*) pDC->SelectStockObject( LTGRAY_BRUSH );
    CRect  rectT( lpDIS->rcItem.left,lpDIS->rcItem.top,lpDIS->rcItem.right,lpDIS->rcItem.bottom );   
    int Width = rectT.Width();
    int Height = rectT.Height();
    pDC->PatBlt(rectT.left,rectT.top,Width,Height,PATCOPY );
    pDC->SelectStockObject( BLACK_BRUSH );
    pDC->PatBlt(rectT.left,rectT.top,Width,2,PATCOPY ); 
    pDC->PatBlt(rectT.right-2,rectT.top,2,Height,PATCOPY ); 
    
    pDC->PatBlt( rectT.left,rectT.top,2,Height,PATCOPY );
    pDC->PatBlt( rectT.left,rectT.bottom-2,Width,2,PATCOPY );      
    
    pDC->SelectStockObject( WHITE_BRUSH ); 
    rectT.InflateRect( -2,-2 ); 
    Width = rectT.Width();
    Height = rectT.Height();
    
    pDC->PatBlt(rectT.left,rectT.top,Width,2,PATCOPY );
    pDC->PatBlt(rectT.left,rectT.top,2,Height,PATCOPY );
    
    pDC->SelectStockObject( GRAY_BRUSH );                       
    pDC->PatBlt(rectT.right-2,rectT.top,2,Height,PATCOPY );  
    pDC->PatBlt( rectT.left,rectT.bottom-2,Width,2,PATCOPY );
          
    pDC->SelectObject( pOldBrush );
}    
    
void CColorButton::OnLButtonDown( UINT nFlags, CPoint point )
{ 
	OnDown();
}    
    
  
void CColorButton::OnMouseMove(UINT nFlags,CPoint point)
{  
}

void CColorButton::OnDown( void )
{
    CRect rectWnd,rectPop;
    GetWindowRect(rectWnd);

    rectPop.left = rectWnd.left;
	rectPop.top = rectWnd.bottom -2;

    if( rectPop.left + WINDOW_WIDTH > GetSystemMetrics( SM_CXSCREEN ) )
    {
       rectPop.left = rectWnd.left - WINDOW_WIDTH;
    } 
    if( rectPop.top + WINDOW_NORMALHEIGHT > GetSystemMetrics( SM_CYSCREEN ) )
    {
      rectPop.top = rectWnd.top - ( WINDOW_NORMALHEIGHT );
    }
    if( rectPop.left < 0 )
	{
		rectPop.left = rectWnd.right;
	}
    m_bShowPopWndFlag =  TRUE ;    
    if( this != GetFocus() ) SetFocus( );  
    else 
      { 
          
           DRAWITEMSTRUCT  ds;
           ds.CtlType = ODT_BUTTON;
           ds.hwndItem = GetSafeHwnd();
           ds.hDC = ::GetDC( m_hWnd );
           GetClientRect( &ds.rcItem ); 
           ds.itemAction = ODA_DRAWENTIRE;
           ds.itemState = ODS_SELECTED;
           ds.CtlID = GetDlgCtrlID();       
  
           GetParent()->SendMessage( WM_DRAWITEM, ds.CtlID,(LPARAM)(LPDRAWITEMSTRUCT)&ds );
           ::ReleaseDC( m_hWnd,ds.hDC );      
      }

    ScreenToClient( &rectPop );
    CreatePopUpWindow( NULL,rectPop,this );
	Invalidate();
    m_bShowPopWndFlag = FALSE ; 

    DRAWITEMSTRUCT  ds;
    ds.CtlType = ODT_BUTTON;
    ds.hwndItem = GetSafeHwnd();
    ds.hDC = ::GetDC( m_hWnd );
    GetClientRect( &ds.rcItem ); 
    ds.itemAction = ODA_FOCUS;
    ds.itemState = ODS_FOCUS;
    ds.CtlID = GetDlgCtrlID();       
  
    GetParent()->SendMessage( WM_DRAWITEM, ds.CtlID,(LPARAM)(LPDRAWITEMSTRUCT)&ds );
    ::ReleaseDC( m_hWnd,ds.hDC );      

}

void CColorButton::OnUp()
{
} 
 
void CColorButton::OnLButtonUp( UINT nFlage, CPoint point )
{
}
  

void CColorButton::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)  
{ 
   
}     
void CColorButton::DrawOtherOnButton( LPDRAWITEMSTRUCT lpDIS)
{  
	ASSERT( lpDIS ); 
    DrawRectOnButton( lpDIS->hDC );
} 
void CColorButton::DrawRectOnButton( HDC hDC )
{
   HBRUSH hBrush,hOldBrush;
   RECT m_ButtonRect ;
   ::GetClientRect( m_hWnd ,&m_ButtonRect );
   ASSERT( m_ButtonRect.right - m_ButtonRect.left > 14 
          && m_ButtonRect.bottom - m_ButtonRect.top > 14 );
   
   hBrush=::CreateSolidBrush(m_color);
   hOldBrush=(HBRUSH)::SelectObject(hDC,hBrush);    
   
   if( m_byState != DOWNSTATE )
     ::Rectangle(hDC,m_ButtonRect.left+7,m_ButtonRect.top+7,m_ButtonRect.right-7,m_ButtonRect.bottom-7);
   else 
     ::Rectangle(hDC,m_ButtonRect.left+8,m_ButtonRect.top+8,m_ButtonRect.right-6,m_ButtonRect.bottom-6); 
     
   ::SelectObject( hDC,hOldBrush);
   ::DeleteObject(hBrush);
}    
    
        

     
BEGIN_MESSAGE_MAP(CColorButton,CButton)    // ENABLE MESSAGE MAP
    ON_WM_LBUTTONDOWN()
    ON_WM_LBUTTONUP()
END_MESSAGE_MAP()