商业编程-源码-其它源代码 registry_dentler_demo.zip

/* * CREGBINDING.CPP * * Registry Class * * Copyright (C) 1998 by Joerg Dentler ([email protected]) * All rights reserved * */ // // Version 1.0.0 98-11-20 created ///////////////////////////////////////////////////////////////////////////// // Permission is granted to anyone to use this software for any // purpose and to redistribute it in any way, subject to the following // restrictions: // // 1. The author is not responsible for the consequences of use of // this software, no matter how awful, even if they arise // from defects in it. // // 2. The origin of this software must not be misrepresented, either // by explicit claim or by omission. // // 3. Altered versions must be plainly marked as such, and must not // be misrepresented (by explicit claim or omission) as being // the original software. // // 4. This notice must not be removed or altered. ///////////////////////////////////////////////////////////////////////////// #include <afxwin.h> #include "cregbinding.h" // CEntry class class CEntry : public CObject { public: enum Type { CR_INVALID, CR_INT, CR_DWORD, CR_STRING, CR_BYTE_ARR, CR_CWND }; Type m_eType; CString m_strName; LPVOID m_pData; CEntry() : m_eType(CR_INVALID), m_pData(NULL) { } CEntry(const CEntry &e) : m_eType(e.m_eType), m_pData(e.m_pData), m_strName(e.m_strName) { } }; // CRegBinding class members BOOL CRegBinding::Hook(const HWND hwnd) { CEntry *e; if (FindAndRemove(e, hwnd)) { SaveWindowState(*e); delete e; return TRUE; } return FALSE; } BOOL CRegBinding::FindAndRemove(CEntry *&e, const HWND hwnd) { POSITION pos = m_list.GetHeadPosition(), spos; while (pos != NULL) { spos = pos; CObject *o = m_list.GetNext(pos); ASSERT_VALID(o); e = (CEntry *)o; if (e->m_eType == CEntry::CR_CWND) { CWnd *wnd = (CWnd *)e->m_pData; if (wnd->GetSafeHwnd() == hwnd) { m_list.RemoveAt(spos); return TRUE; } } } return FALSE; } void CRegBinding::Bind(int &value, const char *name, const int def) { value = m_pApp->GetProfileInt(m_strSection, name, def); CEntry e; e.m_eType = CEntry::CR_INT; e.m_pData = &value; e.m_strName = name; Insert(e); } void CRegBinding::Bind(DWORD &value, const char *name, const DWORD def) { value = m_pApp->GetProfileInt(m_strSection, name, def); CEntry e; e.m_eType = CEntry::CR_DWORD; e.m_pData = &value; e.m_strName = name; Insert(e); } void CRegBinding::Bind(CString &value, const char *name, const char *def) { const char *ds = def ? def : ""; value = m_pApp->GetProfileString(m_strSection, name, ds); CEntry e; e.m_eType = CEntry::CR_STRING; e.m_pData = &value; e.m_strName = name; Insert(e); } void CRegBinding::Bind(CByteArray &value, const char *name, const CByteArray *def) { LPBYTE data = NULL; UINT bytes; m_pApp->GetProfileBinary(m_strSection, name, &data, &bytes); if (bytes > 0) { // registry contains some data value.SetAtGrow(bytes - 1, 0); BYTE *p = value.GetData(); CopyMemory(p, data, bytes); delete data; } else { // assume default value if (def) { ASSERT_VALID(def); value.Copy(*def); } } CEntry e; e.m_eType = CEntry::CR_BYTE_ARR; e.m_pData = &value; e.m_strName = name; Insert(e); } void CRegBinding::Bind(CWnd *wnd, const char *name) { ASSERT_VALID(wnd); ASSERT(wnd->GetSafeHwnd() != NULL); CString n; if (name) n = name; else { wnd->GetWindowText(n); if (n.IsEmpty()) n = "Window"; } n += '_'; WINDOWPLACEMENT wp; wp.length = sizeof (WINDOWPLACEMENT); wnd->GetWindowPlacement(&wp); if (((wp.flags = m_pApp->GetProfileInt (m_strSection, n + "flags", -1)) != -1) && ((wp.showCmd = m_pApp->GetProfileInt (m_strSection, n + "showCmd", -1)) != -1) && ((wp.rcNormalPosition.left = m_pApp->GetProfileInt (m_strSection, n + "x1", -1)) != -1) && ((wp.rcNormalPosition.top = m_pApp->GetProfileInt (m_strSection, n + "y1", -1)) != -1) && ((wp.rcNormalPosition.right = m_pApp->GetProfileInt (m_strSection, n + "x2", -1)) != -1) && ((wp.rcNormalPosition.bottom = m_pApp->GetProfileInt (m_strSection, n + "y2", -1)) != -1)) { wp.rcNormalPosition.left = min (wp.rcNormalPosition.left, ::GetSystemMetrics (SM_CXSCREEN) - ::GetSystemMetrics (SM_CXICON)); wp.rcNormalPosition.top = min (wp.rcNormalPosition.top, ::GetSystemMetrics (SM_CYSCREEN) - ::GetSystemMetrics (SM_CYICON)); wnd->SetWindowPlacement (&wp); } CEntry e; e.m_eType = CEntry::CR_CWND; e.m_pData = wnd; e.m_strName = n; Insert(e); } CWinApp *CRegBinding::m_pApp; HHOOK CRegBinding::m_hHook; CRegBinding::CRegBinding(const char *section) : m_strSection(section) { m_pApp = AfxGetApp(); ASSERT_VALID(m_pApp); if (m_lInstances.IsEmpty()) { m_hHook = ::SetWindowsHookEx(WH_CBT, FilterHook, NULL, ::GetCurrentThreadId()); if (m_hHook == NULL) AfxThrowMemoryException(); } Bind(this); } void CRegBinding::Insert(const CEntry &e) { // in autosave Mode the destructor of the CRegBinding Member Object // must be called before any other member destructor is executed #ifdef _DEBUG LPVOID tp = (const LPVOID)this; LPVOID mp = (const LPVOID)(e.m_pData); if (!(mp < tp)) { TRACE("Please put the CRegBinding Object behind" "the last member to bind\n" "Only class members can registerd by CRegBinding\n"); ASSERT(0); } POSITION pos = m_list.GetHeadPosition(); while (pos != NULL) { CObject *o = m_list.GetNext(pos); ASSERT_VALID(o); CEntry *le = (CEntry *)o; if (le->m_strName == e.m_strName) { TRACE("The same key already exists in this section\n"); ASSERT(0); } } #endif CEntry *ne = new CEntry(e); ASSERT_VALID(ne); m_list.AddTail(ne); } void CRegBinding::SaveWindowState(const CEntry &e) { ASSERT(e.m_eType == CEntry::CR_CWND); CWnd *wnd = (CWnd *)e.m_pData; ASSERT_VALID(wnd); CString n = e.m_strName; WINDOWPLACEMENT wp; wp.length = sizeof (WINDOWPLACEMENT); wnd->GetWindowPlacement(&wp); m_pApp->WriteProfileInt(m_strSection, n + "flags", wp.flags); m_pApp->WriteProfileInt(m_strSection, n + "showCmd", wp.showCmd); m_pApp->WriteProfileInt(m_strSection, n + "x1", wp.rcNormalPosition.left); m_pApp->WriteProfileInt(m_strSection, n + "y1", wp.rcNormalPosition.top); m_pApp->WriteProfileInt(m_strSection, n + "x2", wp.rcNormalPosition.right); m_pApp->WriteProfileInt(m_strSection, n + "y2", wp.rcNormalPosition.bottom); } CRegBinding::~CRegBinding() { Write(TRUE); UnBind(this); if (m_lInstances.IsEmpty()) { UnhookWindowsHookEx(m_hHook); } } void CRegBinding::Write(BOOL del) { POSITION pos1 = m_list.GetHeadPosition(), pos2; while (pos1 != NULL) { pos2 = pos1; CEntry *o = (CEntry *)m_list.GetNext(pos1); ASSERT_VALID(o); Write(o); if (del) { m_list.RemoveAt(pos2); delete o; } } } void CRegBinding::Write(const CEntry *e) { ASSERT_VALID(e); switch (e->m_eType) { case CEntry::CR_INT: { int *i = (int *)(e->m_pData); m_pApp->WriteProfileInt(m_strSection, e->m_strName, *i); return; } case CEntry::CR_DWORD: { DWORD *dw = (DWORD *)(e->m_pData); m_pApp->WriteProfileInt(m_strSection, e->m_strName, *dw); return; } case CEntry::CR_STRING: { CString *str = (CString *)(e->m_pData); m_pApp->WriteProfileString(m_strSection, e->m_st