Replacing 'scopeList' contiguous placement of elements in memory more efficient and std::make_unique c++17

Signed-off-by: germanaizek <GermanAizek@yandex.ru>

README.md

@@ -24,7 +24,7 @@ If you just want to use it or looking for setup file, click here to download:
 1. Download [language DLL](https://coddec.github.io/Classic-Shell/www.classicshell.net/translations/index.html)  
 2. Place it either in the Open-Shell's __install folder__ or in the `%ALLUSERSPROFILE%\OpenShell\Languages` folder
 
----
+----
 
 *For archival reasons, we have a mirror of `www.classicshell.net` [here](https://coddec.github.io/Classic-Shell/www.classicshell.net/).*
 

Src/Lib/DownloadHelper.cpp

@@ -195,9 +195,10 @@ static TDownloadResult DownloadFile( const wchar_t *url, std::vector<char> &buf,
 	{
 		if (pProgress && pProgress->IsCanceled())
 			res=DOWNLOAD_CANCEL;
-		const wchar_t *accept[]={L"*/*",NULL};
+		
 		if (res==DOWNLOAD_OK)
 		{
+			const wchar_t* accept[] = { L"*/*",NULL };
 			HINTERNET hRequest=HttpOpenRequest(hConnect,L"GET",file,NULL,NULL,accept,((components.nScheme==INTERNET_SCHEME_HTTPS)?INTERNET_FLAG_SECURE:0)|(bAcceptCached?0:INTERNET_FLAG_RELOAD),0);
 			if (hRequest)
 			{

Src/Lib/LanguageSettingsHelper.cpp

@@ -127,7 +127,6 @@ VersionData CLanguageSettingsDlg::s_VersionData;
 
 void CLanguageSettingsDlg::AddFlag( const wchar_t *langName, int langId, HBITMAP bmp )
 {
-	std::vector<LangInfo>::iterator it=m_LanguageIDs.begin()+1;
 	int idx=1;
 	for (;idx<(int)m_LanguageIDs.size();idx++)
 	{
@@ -205,8 +204,6 @@ void CLanguageSettingsDlg::UpdateFlags( void )
 			DoEnvironmentSubst(path,_countof(path));
 		}
 
-		CWindow list=GetDlgItem(IDC_LISTLANGUAGE);
-
 		wchar_t find[_MAX_PATH];
 		Sprintf(find,_countof(find),L"%s\\*.dll",path);
 		WIN32_FIND_DATA data;
@@ -408,7 +405,7 @@ LRESULT CLanguageSettingsDlg::OnSelChange( int idCtrl, LPNMHDR pnmh, BOOL& bHand
 	CComVariant val(name);
 	if (m_pSetting->value!=val)
 		SetSettingsDirty();
-	m_pSetting->value=val;
+	m_pSetting->value=std::move(val);
 
 	if (_wcsicmp(m_pSetting->value.bstrVal,m_pSetting->defValue.bstrVal)==0)
 		m_pSetting->flags|=CSetting::FLAG_DEFAULT;

Src/Lib/Settings.cpp

@@ -789,7 +789,7 @@ CString CSettingsManager::LoadSettingsXml( const wchar_t *fname )
 						}
 						CComPtr<IXMLDOMNode> next;
 						child2->get_nextSibling(&next);
-						child2=next;
+						child2=std::move(next);
 					}
 					string.push_back(0);
 					pSetting->value=CComVariant(&string[0]);
@@ -839,7 +839,7 @@ CString CSettingsManager::LoadSettingsXml( const wchar_t *fname )
 		CComPtr<IXMLDOMNode> next;
 		if (child->get_nextSibling(&next)!=S_OK)
 			break;
-		child=next;
+		child=std::move(next);
 	}
 	if (ver<0x03090000)
 		UpgradeSettings(false);

Src/Lib/SettingsUIHelper.cpp

@@ -1156,7 +1156,7 @@ HRESULT STDMETHODCALLTYPE CBrowseLinkEvents::OnButtonClicked( IFileDialogCustomi
 	{
 		pfd->GetFolder(&pItem);
 	}
-	m_pResult=pItem;
+	m_pResult=std::move(pItem);
 	pfd->Close(S_FALSE);
 	return S_OK;
 }

Src/Setup/Utility/Utility.cpp

@@ -943,7 +943,7 @@ static BOOL CALLBACK EnumResLangProc( HMODULE hModule, LPCTSTR lpszType, LPCTSTR
 	if (IS_INTRESOURCE(lpszName))
 	{
 		std::vector<std::pair<int,WORD>> &oldStrings=*(std::vector<std::pair<int,WORD>>*)lParam;
-		oldStrings.push_back(std::pair<int,WORD>(PtrToInt(lpszName),wIDLanguage));
+		oldStrings.emplace_back(PtrToInt(lpszName),wIDLanguage);
 	}
 	return TRUE;
 }

Src/StartMenu/StartMenuDLL/Accessibility.cpp

@@ -16,9 +16,7 @@ CMenuAccessible::CMenuAccessible( CMenuContainer *pOwner )
 	CreateStdAccessibleObject(pOwner->m_hWnd,OBJID_CLIENT,IID_IAccessible,(void**)&m_pStdAccessible);
 }
 
-CMenuAccessible::~CMenuAccessible( void )
-{
-}
+CMenuAccessible::~CMenuAccessible( void ) = default;
 
 void CMenuAccessible::Reset( void )
 {

Src/StartMenu/StartMenuDLL/DragDrop.h

@@ -15,9 +15,7 @@ public:
 		m_RefCount=0;
 	}
 
-	~CDropTargetProxy( void )
-	{
-	}
+	~CDropTargetProxy( void ) = default;
 
 	void Reset( void )
 	{

Src/StartMenu/StartMenuDLL/ItemManager.cpp

@@ -609,7 +609,7 @@ void CItemManager::Init( void )
 		{
 			int width, height;
 			pList->GetIconSize(&width,&height);
-			m_ListSizes.push_back(std::pair<int,int>(width,i));
+			m_ListSizes.emplace_back(width,i);
 		}
 	}
 	std::sort(m_ListSizes.begin(),m_ListSizes.end());
@@ -617,7 +617,7 @@ void CItemManager::Init( void )
 	CreateDefaultIcons();
 	LoadCacheFile();
 
-	ItemInfo &item=m_ItemInfos.insert(std::pair<unsigned int,ItemInfo>(0,ItemInfo()))->second;
+	ItemInfo &item=m_ItemInfos.emplace(0,ItemInfo())->second;
 	item.bIconOnly=true;
 	item.smallIcon=m_DefaultSmallIcon;
 	item.largeIcon=m_DefaultLargeIcon;
@@ -704,21 +704,21 @@ void CItemManager::CreateDefaultIcons( void )
 		icon.bitmap=BitmapFromIcon(LoadShellIcon(index,SMALL_ICON_SIZE),SMALL_ICON_SIZE);
 	else
 		icon.bitmap=NULL;
-	m_DefaultSmallIcon=&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(0,icon))->second;
+	m_DefaultSmallIcon=&m_IconInfos.emplace(0,icon)->second;
 
 	icon.sizeType=ICON_SIZE_TYPE_LARGE;
 	if (index>=0)
 		icon.bitmap=BitmapFromIcon(LoadShellIcon(index,LARGE_ICON_SIZE),LARGE_ICON_SIZE);
 	else
 		icon.bitmap=NULL;
-	m_DefaultLargeIcon=&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(0,icon))->second;
+	m_DefaultLargeIcon=&m_IconInfos.emplace(0,icon)->second;
 
 	icon.sizeType=ICON_SIZE_TYPE_EXTRA_LARGE;
 	if (index>=0)
 		icon.bitmap=BitmapFromIcon(LoadShellIcon(index,EXTRA_LARGE_ICON_SIZE),EXTRA_LARGE_ICON_SIZE);
 	else
 		icon.bitmap=NULL;
-	m_DefaultExtraLargeIcon=&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(0,icon))->second;
+	m_DefaultExtraLargeIcon=&m_IconInfos.emplace(0,icon)->second;
 }
 
 CItemManager::LoadIconData &CItemManager::GetLoadIconData( void )
@@ -896,7 +896,7 @@ const CItemManager::ItemInfo *CItemManager::GetItemInfo( IShellItem *pItem, PIDL
 		}
 		if (!pInfo)
 		{
-			pInfo=&m_ItemInfos.insert(std::pair<unsigned int,ItemInfo>(hash,ItemInfo()))->second;
+			pInfo=&m_ItemInfos.emplace(hash,ItemInfo())->second;
 			pInfo->pidl.Clone(pidl);
 			pInfo->path=path;
 			pInfo->PATH=PATH;
@@ -978,7 +978,7 @@ const CItemManager::ItemInfo *CItemManager::GetItemInfo( CString path, int refre
 		}
 		if (!pInfo)
 		{
-			pInfo=&m_ItemInfos.insert(std::pair<unsigned int,ItemInfo>(hash,ItemInfo()))->second;
+			pInfo=&m_ItemInfos.emplace(hash,ItemInfo())->second;
 			if (!PATH.IsEmpty())
 				MenuParseDisplayName(path,&pInfo->pidl,NULL,NULL);
 			if (pInfo->pidl)
@@ -1076,7 +1076,7 @@ const CItemManager::ItemInfo *CItemManager::GetCustomIcon( const wchar_t *locati
 		}
 		if (!pInfo)
 		{
-			pInfo=&m_ItemInfos.insert(std::pair<unsigned int,ItemInfo>(hash,ItemInfo()))->second;
+			pInfo=&m_ItemInfos.emplace(hash,ItemInfo())->second;
 			pInfo->bIconOnly=true;
 			pInfo->bTemp=bTemp;
 			pInfo->iconPath=location;
@@ -1907,7 +1907,7 @@ void CItemManager::RefreshItemInfo( ItemInfo *pInfo, int refreshFlags, IShellIte
 									if (SUCCEEDED(store->GetValue(PKEY_MetroAppLauncher, &val)) && (val.vt == VT_I4 || val.vt == VT_UI4) && val.intVal)
 									{
 										newInfo.bLink = false;
-										pItem = target;
+										pItem = std::move(target);
 										pStore = store;
 									}
 									PropVariantClear(&val);
@@ -2597,7 +2597,7 @@ void CItemManager::StoreInCache( unsigned int hash, const wchar_t *path, HBITMAP
 
 	if ((refreshFlags&INFO_SMALL_ICON) && hSmallBitmap)
 	{
-		IconInfo *pInfo=&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(hash,IconInfo()))->second;
+		IconInfo *pInfo=&m_IconInfos.emplace(hash,IconInfo())->second;
 		pInfo->sizeType=ICON_SIZE_TYPE_SMALL;
 		pInfo->bTemp=bTemp;
 		pInfo->bMetro=bMetro;
@@ -2607,7 +2607,7 @@ void CItemManager::StoreInCache( unsigned int hash, const wchar_t *path, HBITMAP
 	}
 	if ((refreshFlags&INFO_LARGE_ICON) && hLargeBitmap)
 	{
-		IconInfo *pInfo=&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(hash,IconInfo()))->second;
+		IconInfo *pInfo=&m_IconInfos.emplace(hash,IconInfo())->second;
 		pInfo->sizeType=ICON_SIZE_TYPE_LARGE;
 		pInfo->bTemp=bTemp;
 		pInfo->bMetro=bMetro;
@@ -2617,7 +2617,7 @@ void CItemManager::StoreInCache( unsigned int hash, const wchar_t *path, HBITMAP
 	}
 	if ((refreshFlags&INFO_EXTRA_LARGE_ICON) && hExtraLargeBitmap)
 	{
-		IconInfo *pInfo=&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(hash,IconInfo()))->second;
+		IconInfo *pInfo=&m_IconInfos.emplace(hash,IconInfo())->second;
 		pInfo->sizeType=ICON_SIZE_TYPE_EXTRA_LARGE;
 		pInfo->bTemp=bTemp;
 		pInfo->bMetro=bMetro;
@@ -3273,7 +3273,7 @@ void CItemManager::LoadCacheFile( void )
 						bError=true;
 						break;
 					}
-					remapIcons.push_back(&m_IconInfos.insert(std::pair<unsigned int,IconInfo>(data.key,info))->second);
+					remapIcons.push_back(&m_IconInfos.emplace(data.key,info)->second);
 				}
 				else
 				{
@@ -3304,7 +3304,7 @@ void CItemManager::LoadCacheFile( void )
 					bError=true;
 					break;
 				}
-				ItemInfo &info=m_ItemInfos.insert(std::pair<unsigned int,ItemInfo>(data.key,ItemInfo()))->second;
+				ItemInfo &info=m_ItemInfos.emplace(data.key,ItemInfo())->second;
 
 				info.writestamp=data.writestamp;
 				info.createstamp=data.createstamp;
@@ -3568,7 +3568,7 @@ void CItemManager::ClearCache( void )
 	m_IconInfos.clear();
 	m_MetroItemInfos10.clear();
 	CreateDefaultIcons();
-	ItemInfo &item=m_ItemInfos.insert(std::pair<unsigned int,ItemInfo>(0,ItemInfo()))->second;
+	ItemInfo &item=m_ItemInfos.emplace(0,ItemInfo())->second;
 	item.bIconOnly=true;
 	item.smallIcon=m_DefaultSmallIcon;
 	item.largeIcon=m_DefaultLargeIcon;

Src/StartMenu/StartMenuDLL/MenuContainer.cpp

@@ -2237,7 +2237,7 @@ void CMenuContainer::AddJumpListItems( std::vector<MenuItem> &items )
 							{
 								ILFree(item.pItem1);
 								item.pItem1=pidl2.Detach();
-								pItem=pItem2;
+								pItem=std::move(pItem2);
 							}
 						}
 					}

Src/StartMenu/StartMenuDLL/SearchManager.cpp

@@ -526,7 +526,7 @@ bool CSearchManager::SearchScope::ParseSearchConnector( const wchar_t *fname )
 			CComPtr<IXMLDOMNode> pNext;
 			if (pScopeItem->get_nextSibling(&pNext)!=S_OK)
 				break;
-			pScopeItem=pNext;
+			pScopeItem=std::move(pNext);
 		}
 		return true;
 	}
@@ -798,7 +798,7 @@ void CSearchManager::SearchThread( void )
 		CSession session;
 		if (SUCCEEDED(dataSource.OpenFromInitializationString(L"provider=Search.CollatorDSO.1;EXTENDED PROPERTIES=\"Application=Windows\"")) && SUCCEEDED(session.Open(dataSource)))
 		{
-			std::list<SearchScope> scopeList;
+			std::vector<SearchScope> scopeList;
 
 			if (searchRequest.bSearchMetroSettings && !m_bMetroSettingsFound)
 			{
@@ -1104,7 +1104,7 @@ void CSearchManager::SearchThread( void )
 				command0.Close();
 				continue;
 			}
-			for (std::list<SearchScope>::iterator it=scopeList.begin();it!=scopeList.end();++it)
+			for (auto it=scopeList.begin();it!=scopeList.end();++it)
 			{
 				if (it->roots.empty())
 					continue;
@@ -1122,7 +1122,7 @@ void CSearchManager::SearchThread( void )
 					else
 					{
 						len+=Strcpy(query+len,_countof(query)-len,L" AND System.Search.Store='FILE' AND System.ItemType!='.settingcontent-ms'");
-						for (std::list<SearchScope>::iterator it2=scopeList.begin();it2!=it;++it2)
+						for (auto it2=scopeList.begin();it2!=it;++it2)
 						{
 							if (it2->categoryHash==CATEGORY_METROSETTING)
 								continue;

Src/StartMenu/StartMenuDLL/SearchManager.h

@@ -36,7 +36,7 @@ public:
 
 	struct SearchCategory
 	{
-		SearchCategory( void ) {}
+		SearchCategory( void ) = default;
 		SearchCategory( const SearchCategory &cat )
 		{
 			search.Clone(cat.search);

Src/StartMenu/StartMenuDLL/SettingsUI.cpp

@@ -3155,7 +3155,6 @@ LRESULT CCustomMenuDlg7::CItemList::OnSelEndOk( WORD wNotifyCode, WORD wID, HWND
 	if (m_Column==2)
 	{
 		// state
-		CString str;
 		menuItem.settings&=~CEditMenuDlg7::SETTINGS_MASK;
 		if (sel==0)
 			menuItem.settings|=StdMenuItem::MENU_ITEM_DISABLED;

Src/StartMenu/StartMenuDLL/SkinManager.cpp

@@ -1778,7 +1778,7 @@ bool MenuSkin::LoadSkin( HMODULE hMod, const wchar_t *variation, const wchar_t *
 				var.label=token;
 				if (var.labelEn.IsEmpty())
 					var.labelEn=var.label;
-				Variations.push_back(std::pair<int,Variation>(res,var));
+				Variations.emplace_back(res,var);
 				LOG_MENU(LOG_OPEN,L"Variation found: name=%s, id=%d",token,res);
 			}
 			else

Src/StartMenu/StartMenuDLL/StartMenuDLL.cpp

@@ -3760,7 +3760,6 @@ if (!g_bTrimHooks)
 		// context menu
 		if (msg->message==WM_NCRBUTTONUP || msg->message==WM_RBUTTONUP)
 		{
-			CPoint pt0(GetMessagePos());
 			TaskbarInfo *taskBar=FindTaskBarInfoButton(msg->hwnd);
 			DWORD winVer=GetWinVersion();
 			if (!taskBar && winVer>=WIN_VER_WIN8)
@@ -3771,6 +3770,7 @@ if (!g_bTrimHooks)
 			}
 			if (taskBar)
 			{
+				CPoint pt0(GetMessagePos());
 				if (msg->message==WM_RBUTTONUP && msg->hwnd==taskBar->startButton && msg->lParam==MAKELPARAM(-1,-1))
 				{
 					RECT rc;

Src/StartMenu/StartMenuHelper/ModernSettings.cpp

@@ -280,7 +280,7 @@ static std::vector<uint8_t> ParseModernSettings()
 					CComPtr<IXMLDOMNode> next;
 					if (FAILED(node->get_nextSibling(&next)))
 						break;
-					node = next;
+					node = std::move(next);
 				}
 			}
 		}

Src/Update/DesktopToasts/DesktopNotificationManagerCompat.cpp

@@ -168,7 +168,7 @@ namespace DesktopNotificationManagerCompat
         ComPtr<IToastNotificationHistory> nativeHistory;
         RETURN_IF_FAILED(toastStatics2->get_History(&nativeHistory));
 
-        *history = std::unique_ptr<DesktopNotificationHistoryCompat>(new DesktopNotificationHistoryCompat(s_aumid.c_str(), nativeHistory));
+        *history = std::make_unique<DesktopNotificationHistoryCompat>(s_aumid.c_str(), nativeHistory);
         return S_OK;
     }
 
@@ -224,7 +224,7 @@ namespace DesktopNotificationManagerCompat
 DesktopNotificationHistoryCompat::DesktopNotificationHistoryCompat(const wchar_t *aumid, ComPtr<IToastNotificationHistory> history)
 {
     m_aumid = std::wstring(aumid);
-    m_history = history;
+    m_history = std::move(history);
 }
 
 HRESULT DesktopNotificationHistoryCompat::Clear()