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//####COPYRIGHTBEGIN####

//                                                                          

// ----------------------------------------------------------------------------

// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.

//

// This program is part of the eCos host tools.

//

// This program is free software; you can redistribute it and/or modify it 

// under the terms of the GNU General Public License as published by the Free 

// Software Foundation; either version 2 of the License, or (at your option) 

// any later version.

// 

// This program is distributed in the hope that it will be useful, but WITHOUT 

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 

// more details.

// 

// You should have received a copy of the GNU General Public License along with

// this program; if not, write to the Free Software Foundation, Inc., 

// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//

// ----------------------------------------------------------------------------

//                                                                          

//####COPYRIGHTEND####

// CSHCommon.cpp : implementation file

//

#include "stdafx.h"

#include "CSHCommon.h"

#include <HTMLHelp.h>

#include <windowsx.h> // for GET_X_LPARAM, GET_Y_LPARAM

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif

/////////////////////////////////////////////////////////////////////////////

// CCSHCommon

CString CCSHCommon::m_strCSHFilePath;

CCSHCommon::CCSHCommon()

{

  m_bSupressContextMenu=false;

}

CCSHCommon::~CCSHCommon()

{

}

CWnd *CCSHCommon::WndFromPoint(CWnd *pDialog,CWnd* pWnd,CPoint pt)

{

  CWnd *rc=NULL;

  CPoint ptClient(pt);

  pDialog->ScreenToClient(&ptClient);

  if(pWnd==pDialog){

    // The pWnd argument is the dialog itself for disabled controls

    // Can't use ChildWindowFromPoint() - may return an enclosing group box

    for(CWnd *p=pDialog->GetWindow(GW_CHILD);p;p=p->GetWindow(GW_HWNDNEXT)){

      TCHAR buf[256];

      if(::GetClassName(p->m_hWnd,buf,sizeof buf)){

        if(0==_tcscmp(buf,_T("STATIC"))){

          continue;

        } else if(0==_tcscmp(buf,_T("Button")) && p->GetStyle()&BS_GROUPBOX) {

          continue;

        } else {

          CRect rect;

          p->GetWindowRect(rect);

          if(rect.PtInRect(pt)){

            rc=p;

            break;

          }

        }

      }

    }

  } else {

    rc=pWnd;

  }

  return rc;

}

void CCSHCommon::DisplayHelp(HWND hCtrl,UINT ids,HINSTANCE hInst)

{

  DWORD dwPos=GetMessagePos();

  HH_POPUP hhp;

  if (HIWORD(ids) == 0) {

    hhp.idString=ids;

    hhp.pszText=_T("No help is available for this item");

  } else {

    hhp.idString=0;

    hhp.pszText=(LPCTSTR)ids;

  }

  hhp.cbStruct=sizeof(hhp);

  hhp.hinst=hInst;

  hhp.pt.x=GET_X_LPARAM(dwPos);

  hhp.pt.y=GET_Y_LPARAM(dwPos);

  hhp.clrForeground=(COLORREF)-1; //default 

  hhp.clrBackground=GetSysColor(COLOR_INFOBK);

  hhp.rcMargins=CRect(-1,-1,-1,-1);

  hhp.pszFont=NULL;

  HtmlHelp(hCtrl,NULL,HH_DISPLAY_TEXT_POPUP,(DWORD)&hhp);

}

// FilterMessage has the same semantics as OnWndMsg

bool CCSHCommon::FilterMessage(UINT &message, WPARAM &wParam,LPARAM &lParam,LRESULT *&)

{

  switch(message){

    case WM_ACTIVATE:

      // This fixes a bug in HTMLHelp v1.3 whereby a click on the dialog to dismiss a helpbox causes a crash

      if(WA_CLICKACTIVE==wParam && !::IsWindow((HWND)lParam)) {

        lParam=0;

      }

      break;

      /*

    case WM_NOTIFY:

      // This deals with the case that a control is sending us the notification message.  We set the flag to ignore

      // the next WM_CONTEXTMENU message (for else we would prevent

      if(NM_RCLICK==((LPNMHDR)lParam)->code) {

        m_bSupressContextMenu=true;

      }

      break;

      */

    case WM_CONTEXTMENU:

      if(m_bSupressContextMenu){

        m_bSupressContextMenu=false;

          return true; // processed

      }

      break;

    default:

      break;

  }

  return false;

}

/////////////////////////////////////////////////////////////////////////////

// CCSHCommon message handlers

bool CCSHCommon::OnContextMenu(CWnd *pDialog, CPoint pt, UINT idHelp)

{

  bool rc=false;

  if(NULL!=m_pwndContext&& 0!=idHelp){

    CMenu menu;

    menu.CreatePopupMenu();

    menu.AppendMenu(MF_STRING,ID_WHATS_THIS,_T("&What's This?"));

    menu.TrackPopupMenu(TPM_LEFTALIGN|TPM_LEFTBUTTON|TPM_RIGHTBUTTON, pt.x,pt.y,pDialog);

    rc=true;

  }

  return rc;

}