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// PersistPosWindow.h: interface for the CPersistPosWindow class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_PERSISTPOSWINDOW_H__7D209B81_ED68_11D3_8378_0020182B97FC__INCLUDED_)
#define AFX_PERSISTPOSWINDOW_H__7D209B81_ED68_11D3_8378_0020182B97FC__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <RegSettings.h>
template<class T>
class CPersistPosWindow
{
public:
CPersistPosWindow(LPCTSTR szPrefix)
{ m_szPrefix = szPrefix; };
bool LoadPosition(CRegSettings& settings);
bool SavePosition(CRegSettings& settings);
protected:
LPCTSTR m_szPrefix; // Prefix for Registry Entries
};
template <class T>
bool CPersistPosWindow<T>::LoadPosition(CRegSettings& settings)
{
// Pointer to the Window Class
T* pThis = (T*)this;
// Init WINDOWPLACEMENT Structure
WINDOWPLACEMENT wp;
wp.length = sizeof(WINDOWPLACEMENT);
wp.flags = 0;
wp.showCmd = SW_SHOWNA;
// Not worrying about these for now
// Probably okay
wp.ptMaxPosition.x = wp.ptMaxPosition.y = 0;
wp.ptMinPosition.x = wp.ptMinPosition.y = 0;
// This prefix is used before each Registry Entry
string sPrefix(m_szPrefix);
// Load the Window Position from the registry
wp.rcNormalPosition.top = settings.GetInt(sPrefix + _T("_top"), -1);
wp.rcNormalPosition.left = settings.GetInt(sPrefix + _T("_left"), -1);
wp.rcNormalPosition.bottom = settings.GetInt(sPrefix + _T("_bottom"), -1);
wp.rcNormalPosition.right = settings.GetInt(sPrefix + _T("_right"), -1);
// Make sure each of them got a value from the Registry
// If not don't proceed
if(wp.rcNormalPosition.top != -1 &&
wp.rcNormalPosition.left != -1 &&
wp.rcNormalPosition.bottom != -1 &&
wp.rcNormalPosition.right != -1)
{
// Check if on screen or not
WINDOWPLACEMENT wpScreen;
wpScreen.length = sizeof(WINDOWPLACEMENT);
wpScreen.flags = 0;
GetWindowPlacement(GetDesktopWindow(), &wpScreen);
// See if Desktop Window and our Window Intersect
// If not don't proceed
RECT rcTemp;
if(IntersectRect(&rcTemp, &wpScreen.rcNormalPosition,
&wp.rcNormalPosition))
{
// Move and Size the actual Window
SetWindowPlacement(*pThis, &wp);
return true;
}
}
return false;
}
template <class T>
bool CPersistPosWindow<T>::SavePosition(CRegSettings& settings)
{
// Pointer to our Window Class
T* pThis = (T*)this;
WINDOWPLACEMENT wp;
wp.length = sizeof(WINDOWPLACEMENT);
wp.flags = 0;
// Get the Current Placement
GetWindowPlacement(*pThis, &wp);
// This goes in front of each Registry Entry
string sPrefix(m_szPrefix);
// Write to the registry
settings.WriteInt(sPrefix + _T("_top"), wp.rcNormalPosition.top);
settings.WriteInt(sPrefix + _T("_left"), wp.rcNormalPosition.left);
settings.WriteInt(sPrefix + _T("_bottom"), wp.rcNormalPosition.bottom);
settings.WriteInt(sPrefix + _T("_right"), wp.rcNormalPosition.right);
return true;
}
#endif // !defined(AFX_PERSISTPOSWINDOW_H__7D209B81_ED68_11D3_8378_0020182B97FC__INCLUDED_)
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