📄 buttonst.cpp

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        pOldPen = pDC->SelectObject(&penBtnHiLight);
        pDC->MoveTo(itemRect.left, itemRect.bottom-1);
        pDC->LineTo(itemRect.left, itemRect.top);
        pDC->LineTo(itemRect.right, itemRect.top);
        
        pDC->SelectObject(penBtnShadow);
        pDC->MoveTo(itemRect.left, itemRect.bottom-1);
        pDC->LineTo(itemRect.right-1, itemRect.bottom-1);
        pDC->LineTo(itemRect.right-1, itemRect.top-1);
        //
        pDC->SelectObject(pOldPen);
      }
    }
    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 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_hIconIn != NULL)
  {
    DrawTheIcon(pDC, &sTitle, &lpDIS->rcItem, &captionRect, bIsPressed, bIsDisabled);
  }

  // Write the button title (if any)
  if (sTitle.IsEmpty() == FALSE)
  {
    // Disegno la caption del bottone
    // Se il bottone e' premuto muovo la captionRect di conseguenza
    if (bIsPressed)
      captionRect.OffsetRect(1, 1);
    
    
#ifdef ST_USE_MEMDC
	// Get dialog's font
    CFont *pCurrentFont = GetFont(); 
    CFont *pOldFont = pDC->SelectObject(pCurrentFont);
#endif
    if ((m_MouseOnButton == 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_SINGLELINE|DT_CALCRECT);
    captionRect.OffsetRect((centerRect.Width() - captionRect.Width())/2, (centerRect.Height() - captionRect.Height())/2);
	

    pDC->DrawState(captionRect.TopLeft(), captionRect.Size(), (LPCTSTR)sTitle, (bIsDisabled ? DSS_DISABLED : DSS_NORMAL), 
                   TRUE, 0, (CBrush*)NULL);
#ifdef ST_USE_MEMDC
    pDC->SelectObject(pOldFont);
#endif
  }

  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, CString* title, RECT* rcItem, CRect* captionRect, BOOL IsPressed, BOOL IsDisabled)
{
  CRect iconRect = rcItem;

  switch (m_nAlign)
  {
    case ST_ALIGN_HORIZ:
         if (title->IsEmpty())
         {
           // Center the icon horizontally
           iconRect.left += ((iconRect.Width() - m_cxIcon)/2);
         }
         else
         {
           
           iconRect.left += 3;  
           captionRect->left += m_cxIcon + 3;
         }
         // Center the icon vertically
         iconRect.top += ((iconRect.Height() - m_cyIcon)/2);
         break;
    case ST_ALIGN_VERT:
         // Center the icon horizontally
         iconRect.left += ((iconRect.Width() - m_cxIcon)/2);
         if (title->IsEmpty())
         {
           // Center the icon vertically
           iconRect.top += ((iconRect.Height() - m_cyIcon)/2);           
         }
         else
         {
           captionRect->top += m_cyIcon;
         }
         break;
  }
    
  // If button is pressed then press the icon also
  if (IsPressed) iconRect.OffsetRect(1, 1);
  // Ole'!
  pDC->DrawState(iconRect.TopLeft(), 
	               iconRect.Size(), 
				         (m_MouseOnButton == TRUE || IsPressed) ? m_hIconIn : m_hIconOut, 
				         (IsDisabled ? DSS_DISABLED : DSS_NORMAL), 
                 (CBrush*)NULL);
} // End of DrawTheIcon

void CButtonST::PreSubclassWindow() 
{
  // Add BS_OWNERDRAW style
	UINT nBS;
	nBS=GetButtonStyle();
	if(nBS&BS_DEFPUSHBUTTON)m_bIsDefault=TRUE;

  SetButtonStyle(nBS| BS_OWNERDRAW);
  CButton::PreSubclassWindow();
} // End of PreSubclassWindow
BOOL CButtonST::PreTranslateMessage(MSG *pMsg)
{
	InitToolTip();
	m_ToolTip.RelayEvent(pMsg);
	return CButton::PreTranslateMessage(pMsg);
}
LRESULT CButtonST::DefWindowProc(UINT message,WPARAM wParam,LPARAM lParam)
{
	if(message==WM_LBUTTONDBLCLK)
	{
		message=WM_LBUTTONDOWN;
	}
	return CButton::DefWindowProc(message,wParam,lParam);
}


void CButtonST::SetDefaultInactiveBgColor(BOOL bRepaint)
{
	m_crInactiveBg = ::GetSysColor(COLOR_BTNFACE); 
	if (bRepaint == TRUE) Invalidate();
} // End of SetDefaultInactiveBgColor


void CButtonST::SetInactiveBgColor(COLORREF crNew, BOOL bRepaint)
{
	m_crInactiveBg = crNew; 
	if (bRepaint == TRUE) Invalidate();
} // End of SetInactiveBgColor


const COLORREF CButtonST::GetInactiveBgColor()
{
	return m_crInactiveBg;
} // End of GetInactiveBgColor


void CButtonST::SetDefaultInactiveFgColor(BOOL bRepaint)
{
	m_crInactiveFg = ::GetSysColor(COLOR_BTNTEXT); 
	if (bRepaint == TRUE) Invalidate();
} // End of SetDefaultInactiveFgColor


void CButtonST::SetInactiveFgColor(COLORREF crNew, BOOL bRepaint)
{
	m_crInactiveFg = crNew; 
	if (bRepaint == TRUE) Invalidate();
} // End of SetInactiveFgColor


const COLORREF CButtonST::GetInactiveFgColor()
{
	return m_crInactiveFg;
} // End of GetInactiveFgColor


void CButtonST::SetDefaultActiveBgColor(BOOL bRepaint)
{
	m_crActiveBg = ::GetSysColor(COLOR_BTNFACE); 
	if (bRepaint == TRUE) Invalidate();
} // End of SetDefaultActiveBgColor


void CButtonST::SetActiveBgColor(COLORREF crNew, BOOL bRepaint)
{
	m_crActiveBg = crNew; 
	if (bRepaint == TRUE) Invalidate();
} // End of SetActiveBgColor


const COLORREF CButtonST::GetActiveBgColor()
{
	return m_crActiveBg;
} // End of GetActiveBgColor


void CButtonST::SetDefaultActiveFgColor(BOOL bRepaint)
{
	m_crActiveFg = ::GetSysColor(COLOR_BTNTEXT); 
	if (bRepaint == TRUE) Invalidate();
} // End of SetDefaultActiveFgColor


void CButtonST::SetActiveFgColor(COLORREF crNew, BOOL bRepaint)
{
	m_crActiveFg = crNew; 
	if (bRepaint == TRUE) Invalidate();
} // End of SetActiveFgColor


const COLORREF CButtonST::GetActiveFgColor()
{
	return m_crActiveFg;
} // End of GetActiveFgColor


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) 
{
	// TODO: Add your message handler code here and/or call default
		if (m_hCursor != NULL)
	{
		::SetCursor(m_hCursor);
		return TRUE;
	}

	return CButton::OnSetCursor(pWnd, nHitTest, message);
}
void CButtonST::SetTooltipText(CString *spText,BOOL bActivate)
{
	if(spText==NULL)return;
	InitToolTip();
	if(m_ToolTip.GetToolCount()==0)
	{
		CRect rectBtn;
		GetClientRect(rectBtn);
		m_ToolTip.AddTool(this,(LPCTSTR)*spText,rectBtn,1);
	}
	m_ToolTip.UpdateTipText((LPCTSTR)*spText,this,1);
	m_ToolTip.Activate(bActivate);
}

void CButtonST::SetTooltipText(int nId,BOOL bActivate)
{
	CString sText;
	sText.LoadString(nId);
	if(sText.IsEmpty()==FALSE)SetTooltipText(&sText,bActivate);
}
/////////////////////////////////////////////////
void CButtonST::ActivateTooltip(BOOL bActivate)
{

	if(m_ToolTip.GetToolCount()==0) return;
	m_ToolTip.Activate(bActivate);

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

void CButtonST::DrawTransparent()
{
	m_bDrawTransparent=TRUE;
}

void CButtonST::InitToolTip()
{
	if(m_ToolTip.m_hWnd==NULL)
	{
		m_ToolTip.Create(this);
		m_ToolTip.Activate(FALSE);
	}
}

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);
	}
	pDC->BitBlt(0,0,rect.Width(),rect.Height(),&m_dcBK,0,0,SRCCOPY);
}

#undef ST_USE_MEMDC
#undef ST_LIKE
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