From 48540940b6c28bb4378abfeb500ec45a625b37b6 Mon Sep 17 00:00:00 2001
From: Vadim Dashevskiy <watcherhd@gmail.com>
Date: Tue, 15 May 2012 10:38:20 +0000
Subject: initial commit

git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 src/modules/clist/clcitems.cpp | 707 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 707 insertions(+)
 create mode 100644 src/modules/clist/clcitems.cpp

(limited to 'src/modules/clist/clcitems.cpp')

diff --git a/src/modules/clist/clcitems.cpp b/src/modules/clist/clcitems.cpp
new file mode 100644
index 0000000000..cc338d5ec9
--- /dev/null
+++ b/src/modules/clist/clcitems.cpp
@@ -0,0 +1,707 @@
+/*
+
+Miranda IM: the free IM client for Microsoft* Windows*
+
+Copyright 2000-2009 Miranda ICQ/IM project, 
+all portions of this codebase are copyrighted to the people 
+listed in contributors.txt.
+
+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.
+*/
+#include "commonheaders.h"
+#include "clc.h"
+
+//routines for managing adding/removal of items in the list, including sorting
+
+int fnAddItemToGroup(struct ClcGroup *group, int iAboveItem)
+{
+	struct ClcContact* newItem = cli.pfnCreateClcContact();
+	newItem->type = CLCIT_DIVIDER;
+	newItem->flags = 0;
+	newItem->szText[0] = '\0';
+	memset( newItem->iExtraImage, 0xFF, SIZEOF(newItem->iExtraImage));
+
+	List_Insert(( SortedList* )&group->cl, newItem, iAboveItem );
+	return iAboveItem;
+}
+
+struct ClcGroup* fnAddGroup(HWND hwnd, struct ClcData *dat, const TCHAR *szName, DWORD flags, int groupId, int calcTotalMembers)
+{
+	TCHAR *pBackslash, *pNextField, szThisField[ SIZEOF(dat->list.cl.items[0]->szText) ];
+	struct ClcGroup *group = &dat->list;
+	int i, compareResult;
+
+	dat->needsResort = 1;
+	if (!(GetWindowLongPtr(hwnd, GWL_STYLE) & CLS_USEGROUPS))
+		return &dat->list;
+
+	pNextField = ( TCHAR* )szName;
+	do {
+		pBackslash = _tcschr(pNextField, '\\');
+		if (pBackslash == NULL) {
+			lstrcpyn(szThisField, pNextField, SIZEOF(szThisField));
+			pNextField = NULL;
+		}
+		else {
+			lstrcpyn(szThisField, pNextField, min( SIZEOF(szThisField), pBackslash - pNextField + 1 ));
+			pNextField = pBackslash + 1;
+		}
+		compareResult = 1;
+		for (i = 0; i < group->cl.count; i++) {
+			if (group->cl.items[i]->type == CLCIT_CONTACT)
+				break;
+			if (group->cl.items[i]->type != CLCIT_GROUP)
+				continue;
+			compareResult = lstrcmp(szThisField, group->cl.items[i]->szText);
+			if (compareResult == 0) {
+				if (pNextField == NULL && flags != (DWORD) - 1) {
+					group->cl.items[i]->groupId = (WORD) groupId;
+					group = group->cl.items[i]->group;
+					group->expanded = (flags & GROUPF_EXPANDED) != 0;
+					group->hideOffline = (flags & GROUPF_HIDEOFFLINE) != 0;
+					group->groupId = groupId;
+				}
+				else
+					group = group->cl.items[i]->group;
+				break;
+			}
+			if (pNextField == NULL && group->cl.items[i]->groupId == 0)
+				break;
+			if (!(dat->exStyle & CLS_EX_SORTGROUPSALPHA) && groupId && group->cl.items[i]->groupId > groupId)
+				break;
+		}
+		if (compareResult) {
+			if (groupId == 0)
+				return NULL;
+			i = cli.pfnAddItemToGroup(group, i);
+			group->cl.items[i]->type = CLCIT_GROUP;
+			lstrcpyn(group->cl.items[i]->szText, szThisField, SIZEOF( group->cl.items[i]->szText ));
+			group->cl.items[i]->groupId = (WORD) (pNextField ? 0 : groupId);
+			group->cl.items[i]->group = (struct ClcGroup *) mir_alloc(sizeof(struct ClcGroup));
+			group->cl.items[i]->group->parent = group;
+			group = group->cl.items[i]->group;
+			memset( &group->cl, 0, sizeof( group->cl ));
+         group->cl.increment = 10;
+			if (flags == (DWORD) - 1 || pNextField != NULL) {
+				group->expanded = 0;
+				group->hideOffline = 0;
+			}
+			else {
+				group->expanded = (flags & GROUPF_EXPANDED) != 0;
+				group->hideOffline = (flags & GROUPF_HIDEOFFLINE) != 0;
+			}
+			group->groupId = pNextField ? 0 : groupId;
+			group->totalMembers = 0;
+			if (flags != (DWORD) - 1 && pNextField == NULL && calcTotalMembers) {
+				DWORD style = GetWindowLongPtr(hwnd, GWL_STYLE);
+				HANDLE hContact = (HANDLE) CallService(MS_DB_CONTACT_FINDFIRST, 0, 0);
+				while (hContact) {
+					ClcCacheEntryBase* cache = cli.pfnGetCacheEntry( hContact );
+					if ( !lstrcmp( cache->group, szName) && (style & CLS_SHOWHIDDEN || !cache->isHidden ))
+						group->totalMembers++;
+
+					hContact = (HANDLE) CallService(MS_DB_CONTACT_FINDNEXT, (WPARAM) hContact, 0);
+				}
+			}
+		}
+	} while (pNextField);
+	return group;
+}
+
+void fnFreeContact(struct ClcContact* p)
+{
+	if (p->type == CLCIT_GROUP) {
+		cli.pfnFreeGroup(p->group);
+		mir_free(p->group);
+}	}
+
+void fnFreeGroup(struct ClcGroup *group)
+{
+	int i;
+	for (i = 0; i < group->cl.count; i++) {
+		cli.pfnFreeContact(group->cl.items[i]);
+		mir_free(group->cl.items[i]);
+	}
+	if (group->cl.items)
+		mir_free(group->cl.items);
+	group->cl.limit = group->cl.count = 0;
+	group->cl.items = NULL;
+}
+
+static int iInfoItemUniqueHandle = 0;
+int fnAddInfoItemToGroup(struct ClcGroup *group, int flags, const TCHAR *pszText)
+{
+	int i = 0;
+
+	if (flags & CLCIIF_BELOWCONTACTS)
+		i = group->cl.count;
+	else if (flags & CLCIIF_BELOWGROUPS) {
+		for (; i < group->cl.count; i++)
+			if (group->cl.items[i]->type == CLCIT_CONTACT)
+				break;
+	}
+	else
+		for (; i < group->cl.count; i++)
+			if (group->cl.items[i]->type != CLCIT_INFO)
+				break;
+	i = cli.pfnAddItemToGroup(group, i);
+	iInfoItemUniqueHandle = (iInfoItemUniqueHandle + 1) & 0xFFFF;
+	if (iInfoItemUniqueHandle == 0)
+		++iInfoItemUniqueHandle;
+	group->cl.items[i]->type = CLCIT_INFO;
+	group->cl.items[i]->flags = (BYTE) flags;
+	group->cl.items[i]->hContact = (HANDLE)++ iInfoItemUniqueHandle;
+	lstrcpyn(group->cl.items[i]->szText, pszText, SIZEOF( group->cl.items[i]->szText ));
+	return i;
+}
+
+int fnAddContactToGroup(struct ClcData *dat, struct ClcGroup *group, HANDLE hContact)
+{
+	char *szProto;
+	WORD apparentMode;
+	DWORD idleMode;
+
+	int i, index = -1;
+
+	dat->needsResort = 1;
+	for (i = group->cl.count - 1; i >= 0; i--) {
+		if (group->cl.items[i]->hContact == hContact )
+			return i;
+
+		if ( index == -1 )
+			if (group->cl.items[i]->type != CLCIT_INFO || !(group->cl.items[i]->flags & CLCIIF_BELOWCONTACTS))
+				index = i;
+	}
+
+	i = cli.pfnAddItemToGroup(group, index + 1);
+	szProto = (char *) CallService(MS_PROTO_GETCONTACTBASEPROTO, (WPARAM) hContact, 0);
+	group->cl.items[i]->type = CLCIT_CONTACT;
+	group->cl.items[i]->iImage = CallService(MS_CLIST_GETCONTACTICON, (WPARAM) hContact, 0);
+	group->cl.items[i]->hContact = hContact;
+	group->cl.items[i]->proto = szProto;
+	if (szProto != NULL && !cli.pfnIsHiddenMode(dat, DBGetContactSettingWord(hContact, szProto, "Status", ID_STATUS_OFFLINE)))
+		group->cl.items[i]->flags |= CONTACTF_ONLINE;
+	apparentMode = szProto != NULL ? DBGetContactSettingWord(hContact, szProto, "ApparentMode", 0) : 0;
+	if (apparentMode == ID_STATUS_OFFLINE)
+		group->cl.items[i]->flags |= CONTACTF_INVISTO;
+	else if (apparentMode == ID_STATUS_ONLINE)
+		group->cl.items[i]->flags |= CONTACTF_VISTO;
+	else if (apparentMode)
+		group->cl.items[i]->flags |= CONTACTF_VISTO | CONTACTF_INVISTO;
+	if (DBGetContactSettingByte(hContact, "CList", "NotOnList", 0))
+		group->cl.items[i]->flags |= CONTACTF_NOTONLIST;
+	idleMode = szProto != NULL ? DBGetContactSettingDword(hContact, szProto, "IdleTS", 0) : 0;
+	if (idleMode)
+		group->cl.items[i]->flags |= CONTACTF_IDLE;
+	lstrcpyn(group->cl.items[i]->szText, cli.pfnGetContactDisplayName(hContact,0), SIZEOF(group->cl.items[i]->szText));
+
+	{	ClcCacheEntryBase* p = cli.pfnGetCacheEntry(hContact);
+		if ( p != NULL ) {
+			if ( p->group ) mir_free( p->group );
+			p->group = NULL;
+	}	}
+
+	return i;
+}
+
+void fnAddContactToTree(HWND hwnd, struct ClcData *dat, HANDLE hContact, int updateTotalCount, int checkHideOffline)
+{
+	struct ClcGroup *group;
+	DBVARIANT dbv;
+	DWORD style = GetWindowLongPtr(hwnd, GWL_STYLE);
+	WORD status = ID_STATUS_OFFLINE;
+	char *szProto = (char *) CallService(MS_PROTO_GETCONTACTBASEPROTO, (WPARAM) hContact, 0);
+
+	dat->needsResort = 1;
+	if (style & CLS_NOHIDEOFFLINE)
+		checkHideOffline = 0;
+	if (checkHideOffline)
+		if (szProto != NULL)
+			status = DBGetContactSettingWord(hContact, szProto, "Status", ID_STATUS_OFFLINE);
+
+	if ( DBGetContactSettingTString(hContact, "CList", "Group", &dbv))
+		group = &dat->list;
+	else {
+		group = cli.pfnAddGroup(hwnd, dat, dbv.ptszVal, (DWORD) - 1, 0, 0);
+		if (group == NULL) {
+			int i, len;
+			DWORD groupFlags;
+			TCHAR *szGroupName;
+			if (!(style & CLS_HIDEEMPTYGROUPS)) {
+				mir_free(dbv.ptszVal);
+				return;
+			}
+			if (checkHideOffline && cli.pfnIsHiddenMode(dat, status)) {
+				for (i = 1;; i++) {
+					szGroupName = cli.pfnGetGroupName(i, &groupFlags);
+					if (szGroupName == NULL) {
+						mir_free(dbv.ptszVal);
+						return;
+					}           //never happens
+					if (!lstrcmp(szGroupName, dbv.ptszVal))
+						break;
+				}
+				if (groupFlags & GROUPF_HIDEOFFLINE) {
+					mir_free(dbv.ptszVal);
+					return;
+				}
+			}
+			for (i = 1;; i++) {
+				szGroupName = cli.pfnGetGroupName(i, &groupFlags);
+				if (szGroupName == NULL) {
+					mir_free(dbv.ptszVal);
+					return;
+				}               //never happens
+				if (!lstrcmp(szGroupName, dbv.ptszVal))
+					break;
+				len = lstrlen(szGroupName);
+				if (!_tcsncmp(szGroupName, dbv.ptszVal, len) && dbv.ptszVal[len] == '\\')
+					cli.pfnAddGroup(hwnd, dat, szGroupName, groupFlags, i, 1);
+			}
+			group = cli.pfnAddGroup(hwnd, dat, dbv.ptszVal, groupFlags, i, 1);
+		}
+		mir_free(dbv.ptszVal);
+	}
+	if (checkHideOffline) {
+		if (cli.pfnIsHiddenMode(dat, status) && (style & CLS_HIDEOFFLINE || group->hideOffline)) {
+			if (updateTotalCount)
+				group->totalMembers++;
+			return;
+		}
+	}
+	cli.pfnAddContactToGroup(dat, group, hContact);
+	if (updateTotalCount)
+		group->totalMembers++;
+}
+
+struct ClcGroup* fnRemoveItemFromGroup(HWND hwnd, struct ClcGroup *group, struct ClcContact *contact, int updateTotalCount)
+{
+	int iContact;
+	if (( iContact = List_IndexOf(( SortedList* )&group->cl, contact )) == -1 )
+		return group;
+
+	if (updateTotalCount && contact->type == CLCIT_CONTACT)
+		group->totalMembers--;
+
+	{	ClcCacheEntryBase* p = cli.pfnGetCacheEntry(contact->hContact);
+		if ( p != NULL ) {
+			if ( p->group ) mir_free( p->group );
+			p->group = NULL;
+	}	}
+
+	cli.pfnFreeContact( group->cl.items[iContact] );
+	mir_free( group->cl.items[iContact] );
+	List_Remove(( SortedList* )&group->cl, iContact );
+
+	if ((GetWindowLongPtr(hwnd, GWL_STYLE) & CLS_HIDEEMPTYGROUPS) && group->cl.count == 0) {
+		int i;
+		if (group->parent == NULL)
+			return group;
+		for (i = 0; i < group->parent->cl.count; i++)
+			if (group->parent->cl.items[i]->type == CLCIT_GROUP && group->parent->cl.items[i]->groupId == group->groupId)
+				break;
+		if (i == group->parent->cl.count)
+			return group;       //never happens
+		return cli.pfnRemoveItemFromGroup(hwnd, group->parent, group->parent->cl.items[i], 0);
+	}
+	return group;
+}
+
+void fnDeleteItemFromTree(HWND hwnd, HANDLE hItem)
+{
+	struct ClcContact *contact;
+	struct ClcGroup *group;
+	struct ClcData *dat = (struct ClcData *) GetWindowLongPtr(hwnd, 0);
+
+	dat->needsResort = 1;
+	if (!cli.pfnFindItem(hwnd, dat, hItem, &contact, &group, NULL)) {
+		DBVARIANT dbv;
+		int i, nameOffset;
+		if (!IsHContactContact(hItem))
+			return;
+		if (DBGetContactSettingTString(hItem, "CList", "Group", &dbv))
+			return;
+
+		//decrease member counts of all parent groups too
+		group = &dat->list;
+		nameOffset = 0;
+		for (i = 0;; i++) {
+			if (group->scanIndex == group->cl.count)
+				break;
+			if (group->cl.items[i]->type == CLCIT_GROUP) {
+				int len = lstrlen(group->cl.items[i]->szText);
+				if (!_tcsncmp(group->cl.items[i]->szText, dbv.ptszVal + nameOffset, len) && 
+					 (dbv.ptszVal[nameOffset + len] == '\\' || dbv.ptszVal[nameOffset + len] == '\0')) {
+					group->totalMembers--;
+					if (dbv.ptszVal[nameOffset + len] == '\0')
+						break;
+				}
+			}
+		}
+		mir_free(dbv.ptszVal);
+	}
+	else
+		cli.pfnRemoveItemFromGroup(hwnd, group, contact, 1);
+}
+
+void fnRebuildEntireList(HWND hwnd, struct ClcData *dat)
+{
+	char *szProto;
+	DWORD style = GetWindowLongPtr(hwnd, GWL_STYLE);
+	HANDLE hContact;
+	struct ClcGroup *group;
+	DBVARIANT dbv;
+
+	dat->list.expanded = 1;
+	dat->list.hideOffline = DBGetContactSettingByte(NULL, "CLC", "HideOfflineRoot", 0) && style&CLS_USEGROUPS;
+	dat->list.cl.count = dat->list.cl.limit = 0;
+	dat->selection = -1;
+	{
+		int i;
+		TCHAR *szGroupName;
+		DWORD groupFlags;
+
+		for (i = 1;; i++) {
+			szGroupName = cli.pfnGetGroupName(i, &groupFlags);
+			if (szGroupName == NULL)
+				break;
+			cli.pfnAddGroup(hwnd, dat, szGroupName, groupFlags, i, 0);
+		}
+	}
+
+	hContact = (HANDLE) CallService(MS_DB_CONTACT_FINDFIRST, 0, 0);
+	while (hContact) {
+		if (style & CLS_SHOWHIDDEN || !DBGetContactSettingByte(hContact, "CList", "Hidden", 0)) {
+			if (DBGetContactSettingTString(hContact, "CList", "Group", &dbv))
+				group = &dat->list;
+			else {
+				group = cli.pfnAddGroup(hwnd, dat, dbv.ptszVal, (DWORD) - 1, 0, 0);
+				if (group == NULL && style & CLS_SHOWHIDDEN) group = &dat->list;
+				mir_free(dbv.ptszVal);
+			}
+
+			if (group != NULL) {
+				group->totalMembers++;
+				if (!(style & CLS_NOHIDEOFFLINE) && (style & CLS_HIDEOFFLINE || group->hideOffline)) {
+					szProto = (char *) CallService(MS_PROTO_GETCONTACTBASEPROTO, (WPARAM) hContact, 0);
+					if (szProto == NULL) {
+						if (!cli.pfnIsHiddenMode(dat, ID_STATUS_OFFLINE))
+							cli.pfnAddContactToGroup(dat, group, hContact);
+					}
+					else if (!cli.pfnIsHiddenMode(dat, DBGetContactSettingWord(hContact, szProto, "Status", ID_STATUS_OFFLINE)))
+						cli.pfnAddContactToGroup(dat, group, hContact);
+				}
+				else cli.pfnAddContactToGroup(dat, group, hContact);
+			}
+		}
+		hContact = (HANDLE) CallService(MS_DB_CONTACT_FINDNEXT, (WPARAM) hContact, 0);
+	}
+
+	if (style & CLS_HIDEEMPTYGROUPS) {
+		group = &dat->list;
+		group->scanIndex = 0;
+		for (;;) {
+			if (group->scanIndex == group->cl.count) {
+				group = group->parent;
+				if (group == NULL)
+					break;
+			}
+			else if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP) {
+				if (group->cl.items[group->scanIndex]->group->cl.count == 0) {
+					group = cli.pfnRemoveItemFromGroup(hwnd, group, group->cl.items[group->scanIndex], 0);
+				}
+				else {
+					group = group->cl.items[group->scanIndex]->group;
+					group->scanIndex = 0;
+				}
+				continue;
+			}
+			group->scanIndex++;
+		}
+	}
+
+	cli.pfnSortCLC(hwnd, dat, 0);
+}
+
+int fnGetGroupContentsCount(struct ClcGroup *group, int visibleOnly)
+{
+	int count = group->cl.count;
+	struct ClcGroup *topgroup = group;
+
+	group->scanIndex = 0;
+	for (;;) {
+		if (group->scanIndex == group->cl.count) {
+			if (group == topgroup)
+				break;
+			group = group->parent;
+		}
+		else if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP && (!visibleOnly || group->cl.items[group->scanIndex]->group->expanded)) {
+			group = group->cl.items[group->scanIndex]->group;
+			group->scanIndex = 0;
+			count += group->cl.count;
+			continue;
+		}
+		group->scanIndex++;
+	}
+	return count;
+}
+
+static int __cdecl GroupSortProc(const void* p1, const void* p2)
+{
+	ClcContact **contact1 = ( ClcContact** )p1, **contact2 = ( ClcContact** )p2;
+
+	return lstrcmpi(contact1[0]->szText, contact2[0]->szText);
+}
+
+static int __cdecl ContactSortProc(const void* p1, const void* p2)
+{
+	ClcContact **contact1 = ( ClcContact** )p1, **contact2 = ( ClcContact** )p2;
+
+	int result = cli.pfnCompareContacts( contact1[0], contact2[0] );
+	if (result)
+		return result;
+	//nothing to distinguish them, so make sure they stay in the same order
+	return (int)((INT_PTR) contact2[0]->hContact - (INT_PTR) contact1[0]->hContact);
+}
+
+static void InsertionSort(struct ClcContact **pContactArray, int nArray, int (*CompareProc) (const void *, const void *))
+{
+	int i, j;
+	struct ClcContact* testElement;
+
+	for (i = 1; i < nArray; i++) {
+		if (CompareProc(&pContactArray[i - 1], &pContactArray[i]) > 0) {
+			testElement = pContactArray[i];
+			for (j = i - 2; j >= 0; j--)
+				if (CompareProc(&pContactArray[j], &testElement) <= 0)
+					break;
+			j++;
+			memmove(&pContactArray[j + 1], &pContactArray[j], sizeof(void*) * (i - j));
+			pContactArray[j] = testElement;
+}	}	}
+
+static void SortGroup(struct ClcData *dat, struct ClcGroup *group, int useInsertionSort)
+{
+	int i, sortCount;
+
+	for (i = group->cl.count - 1; i >= 0; i--) {
+		if (group->cl.items[i]->type == CLCIT_DIVIDER) {
+			mir_free( group->cl.items[i] );
+			List_Remove(( SortedList* )&group->cl, i );
+	}	}
+
+	for (i = 0; i < group->cl.count; i++)
+		if (group->cl.items[i]->type != CLCIT_INFO)
+			break;
+	if (i > group->cl.count - 2)
+		return;
+	if (group->cl.items[i]->type == CLCIT_GROUP) {
+		if (dat->exStyle & CLS_EX_SORTGROUPSALPHA) {
+			for (sortCount = 0; i + sortCount < group->cl.count; sortCount++)
+				if (group->cl.items[i + sortCount]->type != CLCIT_GROUP)
+					break;
+			qsort(group->cl.items + i, sortCount, sizeof(void*), GroupSortProc);
+			i = i + sortCount;
+		}
+		for (; i < group->cl.count; i++)
+			if (group->cl.items[i]->type == CLCIT_CONTACT)
+				break;
+		if (group->cl.count - i < 2)
+			return;
+	}
+	for (sortCount = 0; i + sortCount < group->cl.count; sortCount++)
+		if (group->cl.items[i + sortCount]->type != CLCIT_CONTACT)
+			break;
+	if (useInsertionSort)
+		InsertionSort(group->cl.items + i, sortCount, ContactSortProc);
+	else
+		qsort(group->cl.items + i, sortCount, sizeof(void*), ContactSortProc);
+	if (dat->exStyle & CLS_EX_DIVIDERONOFF) {
+		int prevContactOnline = 0;
+		for (i = 0; i < group->cl.count; i++) {
+			if (group->cl.items[i]->type != CLCIT_CONTACT)
+				continue;
+			if (group->cl.items[i]->flags & CONTACTF_ONLINE)
+				prevContactOnline = 1;
+			else {
+				if (prevContactOnline) {
+					i = cli.pfnAddItemToGroup(group, i);
+					group->cl.items[i]->type = CLCIT_DIVIDER;
+					lstrcpy(group->cl.items[i]->szText, TranslateT("Offline"));
+				}
+				break;
+}	}	}	}
+
+void fnSortCLC(HWND hwnd, struct ClcData *dat, int useInsertionSort)
+{
+	struct ClcContact *selcontact;
+	struct ClcGroup *group = &dat->list, *selgroup;
+	HANDLE hSelItem;
+
+	if ( dat->needsResort ) {
+		if (cli.pfnGetRowByIndex(dat, dat->selection, &selcontact, NULL) == -1)
+			hSelItem = NULL;
+		else
+			hSelItem = cli.pfnContactToHItem(selcontact);
+		group->scanIndex = 0;
+		SortGroup(dat, group, useInsertionSort);
+		for (;;) {
+			if (group->scanIndex == group->cl.count) {
+				group = group->parent;
+				if (group == NULL)
+					break;
+			}
+			else if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP) {
+				group = group->cl.items[group->scanIndex]->group;
+				group->scanIndex = 0;
+				SortGroup(dat, group, useInsertionSort);
+				continue;
+			}
+			group->scanIndex++;
+		}
+		if (hSelItem)
+			if (cli.pfnFindItem(hwnd, dat, hSelItem, &selcontact, &selgroup, NULL))
+				dat->selection = cli.pfnGetRowsPriorTo(&dat->list, selgroup, List_IndexOf((SortedList*)&selgroup->cl,selcontact));
+				
+		cli.pfnRecalcScrollBar(hwnd, dat);				
+	}
+	dat->needsResort = 0;
+	cli.pfnInvalidateRect(hwnd, NULL, FALSE);
+}
+
+struct SavedContactState_t
+{
+	HANDLE hContact;
+	BYTE iExtraImage[MAXEXTRACOLUMNS];
+	int checked;
+};
+
+struct SavedGroupState_t
+{
+	int groupId, expanded;
+};
+
+struct SavedInfoState_t
+{
+	int parentId;
+	ClcContact contact;
+};
+
+void fnSaveStateAndRebuildList(HWND hwnd, struct ClcData *dat)
+{
+	NMCLISTCONTROL nm;
+	int i, j;
+	ClcGroup *group;
+	ClcContact *contact;
+
+	cli.pfnHideInfoTip(hwnd, dat);
+	KillTimer(hwnd, TIMERID_INFOTIP);
+	KillTimer(hwnd, TIMERID_RENAME);
+	cli.pfnEndRename(hwnd, dat, 1);
+
+	OBJLIST<SavedContactState_t> saveContact( 10, HandleKeySortT );
+	OBJLIST<SavedGroupState_t> saveGroup( 100, NumericKeySortT );
+	OBJLIST<SavedInfoState_t> saveInfo( 10, NumericKeySortT );
+
+	dat->needsResort = 1;
+	group = &dat->list;
+	group->scanIndex = 0;
+	for (;;) {
+		if (group->scanIndex == group->cl.count) {
+			group = group->parent;
+			if (group == NULL)
+				break;
+		}
+		else if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP) {
+			group = group->cl.items[group->scanIndex]->group;
+			group->scanIndex = 0;
+
+			SavedGroupState_t* p = new SavedGroupState_t;
+			p->groupId = group->groupId;
+			p->expanded = group->expanded;
+			saveGroup.insert( p );
+			continue;
+		}
+		else if (group->cl.items[group->scanIndex]->type == CLCIT_CONTACT) {
+			SavedContactState_t* p = new SavedContactState_t;
+			p->hContact = group->cl.items[group->scanIndex]->hContact;
+			CopyMemory( p->iExtraImage, group->cl.items[group->scanIndex]->iExtraImage,
+				sizeof(group->cl.items[group->scanIndex]->iExtraImage));
+			p->checked = group->cl.items[group->scanIndex]->flags & CONTACTF_CHECKED;
+			saveContact.insert( p );
+		}
+		else if (group->cl.items[group->scanIndex]->type == CLCIT_INFO) {
+			SavedInfoState_t* p = new SavedInfoState_t;
+			p->parentId = (group->parent == NULL) ? -1 : group->groupId;
+			p->contact = *group->cl.items[group->scanIndex];
+			saveInfo.insert( p );
+		}
+		group->scanIndex++;
+	}
+
+	cli.pfnFreeGroup(&dat->list);
+	cli.pfnRebuildEntireList(hwnd, dat);
+
+	group = &dat->list;
+	group->scanIndex = 0;
+	for (;;) {
+		if (group->scanIndex == group->cl.count) {
+			group = group->parent;
+			if (group == NULL)
+				break;
+		}
+		else if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP) {
+			group = group->cl.items[group->scanIndex]->group;
+			group->scanIndex = 0;
+
+			SavedGroupState_t tmp, *p;
+			tmp.groupId = group->groupId;
+			if (( p = saveGroup.find( &tmp )) != NULL )
+				group->expanded = p->expanded;
+			continue;
+		}
+		else if (group->cl.items[group->scanIndex]->type == CLCIT_CONTACT) {
+			SavedContactState_t tmp, *p;
+			tmp.hContact = group->cl.items[group->scanIndex]->hContact;
+			if (( p = saveContact.find( &tmp )) != NULL ) {
+				CopyMemory(group->cl.items[group->scanIndex]->iExtraImage, p->iExtraImage,
+						SIZEOF(group->cl.items[group->scanIndex]->iExtraImage));
+				if (p->checked)
+					group->cl.items[group->scanIndex]->flags |= CONTACTF_CHECKED;
+		}	}
+
+		group->scanIndex++;
+	}
+
+	for (i = 0; i < saveInfo.getCount(); i++) {
+		if (saveInfo[i].parentId == -1)
+			group = &dat->list;
+		else {
+			if (!cli.pfnFindItem(hwnd, dat, (HANDLE) (saveInfo[i].parentId | HCONTACT_ISGROUP), &contact, NULL, NULL))
+				continue;
+			group = contact->group;
+		}
+		j = cli.pfnAddInfoItemToGroup(group, saveInfo[i].contact.flags, _T(""));
+		*group->cl.items[j] = saveInfo[i].contact;
+	}
+
+	cli.pfnRecalculateGroupCheckboxes(hwnd, dat);
+
+	cli.pfnRecalcScrollBar(hwnd, dat);
+	nm.hdr.code = CLN_LISTREBUILT;
+	nm.hdr.hwndFrom = hwnd;
+	nm.hdr.idFrom = GetDlgCtrlID(hwnd);
+	SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM) & nm);
+}
-- 
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