PropPageFrame.cpp

/********************************************************************
*
* Copyright (c) 2002 Sven Wiegand <[email protected]>
*
* You can use this and modify this in any way you want,
* BUT LEAVE THIS HEADER INTACT.
*
* Redistribution is appreciated.
*
* $Workfile:$
* $Revision: 1.1 $
* $Modtime:$
* $Author: gabest $
*
* Revision History:
*       $History:$
*
*********************************************************************/

#include "stdafx.h"
#include "PropPageFrame.h"

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



namespace TreePropSheet
{


//-------------------------------------------------------------------
// class CPropPageFrame
//-------------------------------------------------------------------

CPropPageFrame::CPropPageFrame()
:       m_bShowCaption(FALSE),
        m_nCaptionHeight(0),
        m_hCaptionIcon(NULL),
        m_dwMsgFormat(DT_CENTER|DT_VCENTER|DT_NOPREFIX|DT_SINGLELINE)
{
}


CPropPageFrame::~CPropPageFrame()
{
}


// Operations


void CPropPageFrame::ShowCaption(BOOL bEnable)
{
        m_bShowCaption = bEnable;
        SafeUpdateWindow(CalcCaptionArea());
}


BOOL CPropPageFrame::GetShowCaption() const
{
        return m_bShowCaption;
}


void CPropPageFrame::SetCaption(LPCTSTR lpszCaption, HICON hIcon /*= NULL*/)
{
        m_strCaption = lpszCaption;
        m_hCaptionIcon = hIcon;
        SafeUpdateWindow(CalcCaptionArea());
}


CString CPropPageFrame::GetCaption(HICON *pIcon /* = NULL */) const
{
        if (pIcon)
                *pIcon = m_hCaptionIcon;
        return m_strCaption;
}


void CPropPageFrame::SetCaptionHeight(int nCaptionHeight)
{
        m_nCaptionHeight = nCaptionHeight;
        SafeUpdateWindow(CalcCaptionArea());
}


int CPropPageFrame::GetCaptionHeight() const
{
        return m_nCaptionHeight;
}


void CPropPageFrame::SetMsgText(LPCTSTR lpszMsg)
{
        m_strMsg = lpszMsg;
        SafeUpdateWindow(CalcMsgArea());
}


CString CPropPageFrame::GetMsgText() const
{
        return m_strMsg;
}


void CPropPageFrame::SetMsgFormat(DWORD dwFormat)
{
        m_dwMsgFormat = dwFormat;
        SafeUpdateWindow(CalcMsgArea());
}


DWORD CPropPageFrame::GetMsgFormat() const
{
        return m_dwMsgFormat;
}


// Overridable implementation helpers

void CPropPageFrame::Draw(CDC *pDc)
{
        if (GetShowCaption())
                DrawCaption(pDc, CalcCaptionArea(), m_strCaption, m_hCaptionIcon);
        DrawMsg(pDc, CalcMsgArea(), m_strMsg, m_dwMsgFormat);
}


CRect CPropPageFrame::CalcMsgArea()
{
        ASSERT(IsWindow(GetWnd()->GetSafeHwnd()));

        CRect   rectMsg;
        GetWnd()->GetClientRect(rectMsg);
        if (GetShowCaption())
                rectMsg.top+= GetCaptionHeight();

        return rectMsg;
}


void CPropPageFrame::DrawMsg(CDC *pDc, CRect rect, LPCTSTR lpszMsg, DWORD dwFormat) 
{
        CFont   *pPrevFont = dynamic_cast<CFont*>(pDc->SelectStockObject(DEFAULT_GUI_FONT));
        int             nPrevBkMode = pDc->SetBkMode(TRANSPARENT);

        pDc->DrawText(GetMsgText(), rect, GetMsgFormat());

        pDc->SetBkMode(nPrevBkMode);
        pDc->SelectObject(pPrevFont);
}


CRect   CPropPageFrame::CalcCaptionArea()
{
        ASSERT(IsWindow(GetWnd()->GetSafeHwnd()));

        CRect   rectCaption;
        GetWnd()->GetClientRect(rectCaption);
        if (!GetShowCaption())
                rectCaption.bottom = rectCaption.top;
        else
                rectCaption.bottom = rectCaption.top+GetCaptionHeight();

        return rectCaption;
}


void CPropPageFrame::DrawCaption(CDC *pDc, CRect rect, LPCTSTR lpszCaption, HICON hIcon) 
{
        // should be implemented by specialized classes
}


// Implementation helpers

void CPropPageFrame::SafeUpdateWindow(LPCRECT lpRect /* = NULL */)
{
        if (!IsWindow(GetWnd()->GetSafeHwnd()))
                return;

        GetWnd()->InvalidateRect(lpRect, TRUE);
}



} //namespace TreePropSheet

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