windowplacement.cpp

vc座的资源管理器源代码

// MSJ 
// It it works contact Paul DiLascia
// if not you're own your own

#include "StdAfx.h"
#include "WindowPlacement.h"

CWindowPlacement::CWindowPlacement()
{
   // Note: "length" is inherited from WINDOWPLACEMENT
   length = sizeof(WINDOWPLACEMENT);
   m_showCmd = -1;
}

CWindowPlacement::~CWindowPlacement()
{
}

//////////////////
// Restore window placement from profile key
BOOL CWindowPlacement::Restore(LPCTSTR lpKeyName, CWnd* pWnd)
{
   if (!GetProfileWP(lpKeyName))
	   return FALSE;
   // Only restore if window intersets the screen.
   //
   CRect rcTemp;
   CRect rcScreen(0,0,GetSystemMetrics(SM_CXSCREEN),GetSystemMetrics(SM_CYSCREEN));
   if (!::IntersectRect(&rcTemp, &rcNormalPosition, &rcScreen))
      return FALSE;

   pWnd->SetWindowPlacement(this);  
   return TRUE;
}

//////////////////
// Get window placement from profile.
BOOL CWindowPlacement::GetProfileWP(LPCTSTR lpKeyName)
{
   CWinApp *pApp = AfxGetApp();
   ASSERT_VALID(pApp);

   m_showCmd = pApp->GetProfileInt(lpKeyName, _T("wp.showCmd"), -1);
   if (m_showCmd == -1)
	   return FALSE;
   showCmd = m_showCmd;
   flags   = pApp->GetProfileInt(lpKeyName, _T("wp.flags"), flags);

	ptMinPosition.x = pApp->GetProfileInt(lpKeyName, _T("wp.ptMinPosition.x"),ptMinPosition.x);
	ptMinPosition.y = pApp->GetProfileInt(lpKeyName, _T("wp.ptMinPosition.y"),ptMinPosition.y);
	ptMaxPosition.x = pApp->GetProfileInt(lpKeyName, _T("wp.ptMaxPosition.x"),ptMaxPosition.x);
	ptMaxPosition.y = pApp->GetProfileInt(lpKeyName, _T("wp.ptMaxPosition.y"),ptMaxPosition.y);

   RECT& rc = rcNormalPosition;  // because I hate typing
   rc.left  = pApp->GetProfileInt(lpKeyName, _T("wp.left"),   rc.left);
   rc.right = pApp->GetProfileInt(lpKeyName, _T("wp.right"),  rc.right);
   rc.top   = pApp->GetProfileInt(lpKeyName, _T("wp.top"),    rc.top);
   rc.bottom= pApp->GetProfileInt(lpKeyName, _T("wp.bottom"), rc.bottom);
   return TRUE;
}

////////////////
// Save window placement in app profile
void CWindowPlacement::Save(LPCTSTR lpKeyName, CWnd* pWnd)
{
   pWnd->GetWindowPlacement(this);
   WriteProfileWP(lpKeyName);
}

//////////////////
// Write window placement to app profile
void CWindowPlacement::WriteProfileWP(LPCTSTR lpKeyName)
{
   CWinApp *pApp = AfxGetApp();
   ASSERT_VALID(pApp);
   pApp->WriteProfileInt(lpKeyName, _T("wp.showCmd"),         showCmd);
   pApp->WriteProfileInt(lpKeyName, _T("wp.flags"),		      flags);
   pApp->WriteProfileInt(lpKeyName, _T("wp.ptMinPosition.x"), ptMinPosition.x);
   pApp->WriteProfileInt(lpKeyName, _T("wp.ptMinPosition.y"), ptMinPosition.y);
   pApp->WriteProfileInt(lpKeyName, _T("wp.ptMaxPosition.x"), ptMaxPosition.x);
   pApp->WriteProfileInt(lpKeyName, _T("wp.ptMaxPosition.y"), ptMaxPosition.y);
   pApp->WriteProfileInt(lpKeyName, _T("wp.left"),	rcNormalPosition.left);
   pApp->WriteProfileInt(lpKeyName, _T("wp.right"), rcNormalPosition.right);
   pApp->WriteProfileInt(lpKeyName, _T("wp.top"),   rcNormalPosition.top);
   pApp->WriteProfileInt(lpKeyName, _T("wp.bottom"),rcNormalPosition.bottom);
}

// The ugly casts are required to help the VC++ 3.0 compiler decide which
// operator<< or operator>> to use. If you're using VC++ 4.0 or later, you 
// can delete this stuff.
//
#if (_MSC_VER < 1000)      // 1000 = VC++ 4.0
#define UINT_CAST (LONG)
#define UINT_CASTREF (LONG&)
#else
#define UINT_CAST
#define UINT_CASTREF
#endif

//////////////////
// Write window placement to archive
// WARNING: archiving functions are untested.
CArchive& operator<<(CArchive& ar, const CWindowPlacement& wp)
{
   ar << UINT_CAST wp.length;
   ar << UINT_CAST wp.flags;
   ar << UINT_CAST wp.showCmd;
   ar << wp.ptMinPosition;
   ar << wp.ptMaxPosition;
   ar << wp.rcNormalPosition;
   return ar;
}

//////////////////
// Read window placement from archive
// WARNING: archiving functions are untested.
CArchive& operator>>(CArchive& ar, CWindowPlacement& wp)
{
   ar >> UINT_CASTREF wp.length;
   ar >> UINT_CASTREF wp.flags;
   ar >> UINT_CASTREF wp.showCmd;
   ar >> wp.ptMinPosition;
   ar >> wp.ptMaxPosition;
   ar >> wp.rcNormalPosition;
   return ar;
}