/*

Miranda NG: the free IM client for Microsoft* Windows*

Copyright (c) 2012-14 Miranda NG project (http://miranda-ng.org),
Copyright (c) 2000-08 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.
*/

/************************************************************************/
/*       Module responsible for working with contact list control       */
/************************************************************************/

#include "hdr/modern_commonheaders.h"
#include "m_skin.h"
#include "hdr/modern_commonprototypes.h"

#include "hdr/modern_clc.h"
#include "hdr/modern_clist.h"
#include "hdr/modern_clcpaint.h"

#include "m_modernopt.h"

int ModernOptInit(WPARAM wParam, LPARAM lParam);
int ModernSkinOptInit(WPARAM wParam, LPARAM lParam);

/*
*	Private module variables
*/
static HANDLE	hShowInfoTipEvent;
static POINT	HitPoint;
static BOOL		fMouseUpped;
static BYTE		IsDragToScrollMode = 0;
static int		StartDragPos = 0;
static int		StartScrollPos = 0;
HANDLE			hAckHook = NULL;
HANDLE			hAvatarChanged = NULL;
static BOOL		g_bSortTimerIsSet = FALSE;
static ClcContact *hitcontact = NULL;
HANDLE hSkinFolder;
TCHAR SkinsFolder[MAX_PATH];

static int clcHookSmileyAddOptionsChanged(WPARAM wParam, LPARAM lParam);
static int clcHookIconsChanged(WPARAM wParam, LPARAM lParam);
static int clcHookBkgndConfigChanged(WPARAM wParam, LPARAM lParam);
static int clcProceedDragToScroll(HWND hwnd, int Y);
static int clcExitDragToScroll();


int ReloadSkinFolder(WPARAM wParam, LPARAM lParam)
{
	FoldersGetCustomPathT(hSkinFolder, SkinsFolder, SIZEOF(SkinsFolder), _T(DEFAULT_SKIN_FOLDER));
	return 0;
}

static int clcHookModulesLoaded(WPARAM wParam, LPARAM lParam)
{
	if (MirandaExiting())
		return 0;

	HookEvent(ME_MODERNOPT_INITIALIZE, ModernOptInit);
	HookEvent(ME_MODERNOPT_INITIALIZE, ModernSkinOptInit);

	HookEvent(ME_FOLDERS_PATH_CHANGED, ReloadSkinFolder);
	hSkinFolder = FoldersRegisterCustomPathT(LPGEN("Skins"), LPGEN("Modern contact list"), MIRANDA_PATHT _T("\\") _T(DEFAULT_SKIN_FOLDER));
	FoldersGetCustomPathT(hSkinFolder, SkinsFolder, SIZEOF(SkinsFolder), _T(DEFAULT_SKIN_FOLDER));

	// Get icons
	TCHAR szMyPath[MAX_PATH];
	GetModuleFileName(g_hInst, szMyPath, SIZEOF(szMyPath));

	SKINICONDESC sid = { sizeof(sid) };
	sid.cx = sid.cy = 16;
	sid.ptszDefaultFile = szMyPath;
	sid.flags = SIDF_PATH_TCHAR;

	sid.pszSection = LPGEN("Contact list");
	sid.pszDescription = LPGEN("Listening to");
	sid.pszName = "LISTENING_TO_ICON";
	sid.iDefaultIndex = -IDI_LISTENING_TO;
	Skin_AddIcon(&sid);

	sid.pszSection = LPGEN("Contact list") "/" LPGEN("Avatar overlay");
	for (int i = 0; i < SIZEOF(g_pAvatarOverlayIcons); i++) {
		sid.pszDescription = g_pAvatarOverlayIcons[i].description;
		sid.pszName = g_pAvatarOverlayIcons[i].name;
		sid.iDefaultIndex = -g_pAvatarOverlayIcons[i].id;
		Skin_AddIcon(&sid);
	}

	sid.pszSection = LPGEN("Contact list") "/" LPGEN("Status overlay");
	for (int i = 0; i < SIZEOF(g_pStatusOverlayIcons); i++) {
		sid.pszDescription = g_pStatusOverlayIcons[i].description;
		sid.pszName = g_pStatusOverlayIcons[i].name;
		sid.iDefaultIndex = -g_pStatusOverlayIcons[i].id;
		Skin_AddIcon(&sid);
	}

	clcHookIconsChanged(0, 0);

	HookEvent(ME_SKIN2_ICONSCHANGED, clcHookIconsChanged);

	// Register smiley category
	if (ServiceExists(MS_SMILEYADD_REGISTERCATEGORY)) {
		SMADD_REGCAT rc;
		rc.cbSize = sizeof(rc);
		rc.name = "clist";
		rc.dispname = Translate("Contact list smileys");

		CallService(MS_SMILEYADD_REGISTERCATEGORY, 0, (LPARAM)&rc);

		HookEvent(ME_SMILEYADD_OPTIONSCHANGED, clcHookSmileyAddOptionsChanged);
	}

	CallService(MS_BACKGROUNDCONFIG_REGISTER, (WPARAM)(LPGEN("List background")"/CLC"), 0);
	CallService(MS_BACKGROUNDCONFIG_REGISTER, (WPARAM)(LPGEN("Menu background")"/Menu"), 0);
	CallService(MS_BACKGROUNDCONFIG_REGISTER, (WPARAM)(LPGEN("Status bar background")"/StatusBar"), 0);
	CallService(MS_BACKGROUNDCONFIG_REGISTER, (WPARAM)(LPGEN("Frames title bar background")"/FrameTitleBar"), 0);

	HookEvent(ME_BACKGROUNDCONFIG_CHANGED, clcHookBkgndConfigChanged);
	HookEvent(ME_BACKGROUNDCONFIG_CHANGED, BgStatusBarChange);
	HookEvent(ME_BACKGROUNDCONFIG_CHANGED, OnFrameTitleBarBackgroundChange);
	HookEvent(ME_COLOUR_RELOAD, OnFrameTitleBarBackgroundChange);

	AniAva_UpdateOptions();
	return 0;
}

static int clcHookSmileyAddOptionsChanged(WPARAM wParam, LPARAM lParam)
{
	if (MirandaExiting()) return 0;
	pcli->pfnClcBroadcast(CLM_AUTOREBUILD, 0, 0);
	pcli->pfnClcBroadcast(INTM_INVALIDATE, 0, 0);
	return 0;
}

static int clcHookProtoAck(WPARAM wParam, LPARAM lParam)
{
	return ClcDoProtoAck(wParam, (ACKDATA*)lParam);
}

static int clcHookIconsChanged(WPARAM wParam, LPARAM lParam)
{
	int i;
	if (MirandaExiting()) return 0;
	for (i = 0; i < SIZEOF(g_pAvatarOverlayIcons); i++) {
		g_pAvatarOverlayIcons[i].listID = -1;
		g_pStatusOverlayIcons[i].listID = -1;
	}

	if (hAvatarOverlays)
		ImageList_Destroy(hAvatarOverlays);
	hAvatarOverlays = ImageList_Create(16, 16, ILC_MASK | ILC_COLOR32, SIZEOF(g_pAvatarOverlayIcons) * 2, 1);

	for (i = 0; i < SIZEOF(g_pAvatarOverlayIcons); i++) {
		HICON hIcon = Skin_GetIcon(g_pAvatarOverlayIcons[i].name);
		g_pAvatarOverlayIcons[i].listID = ImageList_AddIcon(hAvatarOverlays, hIcon);
		Skin_ReleaseIcon(g_pAvatarOverlayIcons[i].name);

		hIcon = Skin_GetIcon(g_pStatusOverlayIcons[i].name);
		g_pStatusOverlayIcons[i].listID = ImageList_AddIcon(hAvatarOverlays, hIcon);
		Skin_ReleaseIcon(g_pStatusOverlayIcons[i].name);
	}

	g_hListeningToIcon = Skin_GetIcon("LISTENING_TO_ICON");

	pcli->pfnClcBroadcast(INTM_INVALIDATE, 0, 0);
	AniAva_UpdateOptions();
	return 0;
}

static int clcMetaModeChanged(WPARAM, LPARAM)
{
	pcli->pfnClcBroadcast(INTM_RELOADOPTIONS, 0, 0);
	return 0;
}

static int clcMetacontactChanged(WPARAM hMeta, LPARAM)
{
	pcli->pfnClcBroadcast(INTM_NAMEORDERCHANGED, 0, 0);
	return 0;
}

static int clcHookSettingChanged(WPARAM hContact, LPARAM lParam)
{
	if (MirandaExiting())
		return 0;

	DBCONTACTWRITESETTING *cws = (DBCONTACTWRITESETTING*)lParam;
	if (hContact == NULL) {
		if (!mir_strcmp(cws->szModule, "CListGroups"))
			pcli->pfnClcBroadcast(INTM_GROUPSCHANGED, hContact, lParam);
		else if (!strcmp(cws->szSetting, "XStatusId") || !strcmp(cws->szSetting, "XStatusName"))
			cliCluiProtocolStatusChanged(0, cws->szModule);
	}
	else // hContact != NULL
	{
		if (!strcmp(cws->szSetting, "TickTS"))
			pcli->pfnClcBroadcast(INTM_STATUSCHANGED, hContact, 0);
		else if (!strcmp(cws->szModule, "UserInfo")) {
			if (!strcmp(cws->szSetting, "Timezone"))
				pcli->pfnClcBroadcast(INTM_TIMEZONECHANGED, hContact, 0);
		}
		else if (!strcmp(cws->szModule, "CList")) {
			if (!strcmp(cws->szSetting, "StatusMsg"))
				pcli->pfnClcBroadcast(INTM_STATUSMSGCHANGED, hContact, 0);

		}
		else if (!strcmp(cws->szModule, "ContactPhoto")) {
			if (!strcmp(cws->szSetting, "File"))
				pcli->pfnClcBroadcast(INTM_AVATARCHANGED, hContact, 0);
		}
		else {
			if ((!strcmp(cws->szSetting, "XStatusName") || !strcmp(cws->szSetting, "XStatusMsg")))
				pcli->pfnClcBroadcast(INTM_STATUSMSGCHANGED, hContact, 0);
			else if (!strcmp(cws->szSetting, "XStatusId"))
				pcli->pfnClcBroadcast(INTM_STATUSCHANGED, hContact, 0);
			else if (!strcmp(cws->szSetting, "Timezone"))
				pcli->pfnClcBroadcast(INTM_TIMEZONECHANGED, hContact, 0);
			else if (!strcmp(cws->szSetting, "ListeningTo"))
				pcli->pfnClcBroadcast(INTM_STATUSMSGCHANGED, hContact, 0);
			else if (!strcmp(cws->szSetting, "Transport") || !strcmp(cws->szSetting, "IsTransported")) {
				pcli->pfnInvalidateDisplayNameCacheEntry(hContact);
				pcli->pfnClcBroadcast(CLM_AUTOREBUILD, hContact, 0);
			}
		}
	}
	return 0;
}

static int clcHookDbEventAdded(WPARAM hContact, LPARAM lParam)
{
	g_CluiData.t_now = time(NULL);
	if (hContact && lParam) {
		DBEVENTINFO dbei = { sizeof(dbei) };
		db_event_get((HANDLE)lParam, &dbei);
		if (dbei.eventType == EVENTTYPE_MESSAGE && !(dbei.flags & DBEF_SENT)) {
			db_set_dw(hContact, "CList", "mf_lastmsg", dbei.timestamp);
			ClcCacheEntry *pdnce = pcli->pfnGetCacheEntry(hContact);
			if (pdnce)
				pdnce->dwLastMsgTime = dbei.timestamp;
		}
	}
	return 0;
}

static int clcHookBkgndConfigChanged(WPARAM, LPARAM)
{
	pcli->pfnClcOptionsChanged();
	return 0;
}

static int clcHookAvatarChanged(WPARAM wParam, LPARAM lParam)
{
	if (MirandaExiting()) return 0;
	pcli->pfnClcBroadcast(INTM_AVATARCHANGED, wParam, lParam);
	return 0;
}

static int clcExitDragToScroll()
{
	if (!IsDragToScrollMode) return 0;
	IsDragToScrollMode = 0;
	ReleaseCapture();
	return 1;
}

static int clcProceedDragToScroll(HWND hwnd, int Y)
{
	int pos, dy;
	if (!IsDragToScrollMode) return 0;
	if (GetCapture() != hwnd) clcExitDragToScroll();
	dy = StartDragPos - Y;
	pos = StartScrollPos + dy;
	if (pos < 0)
		pos = 0;
	SendMessage(hwnd, WM_VSCROLL, MAKEWPARAM(SB_THUMBTRACK, pos), 0);
	return 1;
}



static int clcSearchNextContact(HWND hwnd, ClcData *dat, int index, const TCHAR *text, int prefixOk, BOOL fSearchUp)
{
	ClcGroup *group = &dat->list;
	int testlen = lstrlen(text);
	BOOL fReturnAsFound = FALSE;
	int	 nLastFound = -1;
	if (index == -1) fReturnAsFound = TRUE;
	group->scanIndex = 0;
	for (;;) {
		if (group->scanIndex == group->cl.count) {
			group = group->parent;
			if (group == NULL)
				break;
			group->scanIndex++;
			continue;
		}
		if (group->cl.items[group->scanIndex]->type != CLCIT_DIVIDER) {
			bool found;
			if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP) {
				found = true;
			}
			else if (dat->filterSearch) {
				TCHAR *lowered_szText = CharLowerW(NEWTSTR_ALLOCA(group->cl.items[group->scanIndex]->szText));
				TCHAR *lowered_search = CharLowerW(NEWTSTR_ALLOCA(dat->szQuickSearch));
				found = _tcsstr(lowered_szText, lowered_search) != NULL;
			}
			else {
				found = ((prefixOk && CSTR_EQUAL == CompareString(LOCALE_INVARIANT, NORM_IGNORECASE, text, -1, group->cl.items[group->scanIndex]->szText, testlen)) || (!prefixOk && !lstrcmpi(text, group->cl.items[group->scanIndex]->szText)));
			}
			if (found) {
				ClcGroup *contactGroup = group;
				int contactScanIndex = group->scanIndex;
				int foundindex;
				for (; group; group = group->parent)
					pcli->pfnSetGroupExpand(hwnd, dat, group, 1);
				foundindex = pcli->pfnGetRowsPriorTo(&dat->list, contactGroup, contactScanIndex);
				if (fReturnAsFound)
					return foundindex;
				else if (nLastFound != -1 && fSearchUp && foundindex == index)
					return nLastFound;
				else if (!fSearchUp && foundindex == index)
					fReturnAsFound = TRUE;
				else
					nLastFound = foundindex;
				group = contactGroup;
				group->scanIndex = contactScanIndex;
			}
			if (group->cl.items[group->scanIndex]->type == CLCIT_GROUP) {
				if (!(dat->exStyle & CLS_EX_QUICKSEARCHVISONLY) || group->cl.items[group->scanIndex]->group->expanded) {
					group = group->cl.items[group->scanIndex]->group;
					group->scanIndex = 0;
					continue;
				}
			}
		}
		group->scanIndex++;
	}
	return -1;
}

static BOOL clcItemNotHiddenOffline(ClcData *dat, ClcGroup* group, ClcContact *contact)
{
	if (g_CluiData.bFilterEffective) return FALSE;

	if (!contact) return FALSE;
	ClcCacheEntry *pdnce = pcli->pfnGetCacheEntry(contact->hContact);
	if (!pdnce) return FALSE;
	if (pdnce->m_cache_nNoHiddenOffline) return TRUE;

	if (!group) return FALSE;
	if (group->hideOffline) return FALSE;

	if (CLCItems_IsShowOfflineGroup(group)) return TRUE;

	return FALSE;
}

static LRESULT clcOnCreate(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	dat = (ClcData*)mir_calloc(sizeof(ClcData));
	SetWindowLongPtr(hwnd, 0, (LONG_PTR)dat);
	dat->hCheckBoxTheme = xpt_AddThemeHandle(hwnd, L"BUTTON");
	dat->m_paintCouter = 0;
	dat->hWnd = hwnd;
	dat->use_avatar_service = ServiceExists(MS_AV_GETAVATARBITMAP);
	if (dat->use_avatar_service)
		if (!hAvatarChanged)
			hAvatarChanged = HookEvent(ME_AV_AVATARCHANGED, clcHookAvatarChanged);

	ImageArray_Initialize(&dat->avatar_cache, FALSE, 20); //this array will be used to keep small avatars too

	RowHeights_Initialize(dat);

	dat->needsResort = 1;
	dat->MetaIgnoreEmptyExtra = db_get_b(NULL, "CLC", "MetaIgnoreEmptyExtra", SETTING_METAIGNOREEMPTYEXTRA_DEFAULT);

	dat->IsMetaContactsEnabled = (!(GetWindowLongPtr(hwnd, GWL_STYLE) & CLS_MANUALUPDATE)) && db_mc_isEnabled();

	dat->expandMeta = db_get_b(NULL, "CLC", "MetaExpanding", SETTING_METAEXPANDING_DEFAULT);
	dat->useMetaIcon = db_get_b(NULL, "CLC", "Meta", SETTING_USEMETAICON_DEFAULT);
	dat->drawOverlayedStatus = db_get_b(NULL, "CLC", "DrawOverlayedStatus", SETTING_DRAWOVERLAYEDSTATUS_DEFAULT);
	g_CluiData.bSortByOrder[0] = db_get_b(NULL, "CList", "SortBy1", SETTING_SORTBY1_DEFAULT);
	g_CluiData.bSortByOrder[1] = db_get_b(NULL, "CList", "SortBy2", SETTING_SORTBY2_DEFAULT);
	g_CluiData.bSortByOrder[2] = db_get_b(NULL, "CList", "SortBy3", SETTING_SORTBY3_DEFAULT);
	g_CluiData.fSortNoOfflineBottom = db_get_b(NULL, "CList", "NoOfflineBottom", SETTING_NOOFFLINEBOTTOM_DEFAULT);
	dat->menuOwnerID = -1;
	dat->menuOwnerType = CLCIT_INVALID;

	corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	LoadCLCOptions(hwnd, dat);
	if (dat->contact_time_show || dat->second_line_type == TEXT_CONTACT_TIME || dat->third_line_type == TEXT_CONTACT_TIME)
		CLUI_SafeSetTimer(hwnd, TIMERID_INVALIDATE, 5000, NULL);
	else
		KillTimer(hwnd, TIMERID_INVALIDATE);

	TRACE("Create New ClistControl TO END\r\n");
	return 0;
}

static LRESULT clcOnHitTest(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	return DefWindowProc(hwnd, WM_NCHITTEST, wParam, lParam);
}

static LRESULT clcOnCommand(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	ClcContact *contact;
	int hit = pcli->pfnGetRowByIndex(dat, dat->selection, &contact, NULL);
	if (hit == -1)	return 0;
	if (contact->type == CLCIT_CONTACT && CallService(MS_CLIST_MENUPROCESSCOMMAND, MAKEWPARAM(LOWORD(wParam), MPCF_CONTACTMENU), contact->hContact))	return 0;

	switch (LOWORD(wParam)) {
	case POPUP_NEWSUBGROUP:
		if (contact->type != CLCIT_GROUP)
			return 0;
		SetWindowLongPtr(hwnd, GWL_STYLE, GetWindowLongPtr(hwnd, GWL_STYLE) & ~CLS_HIDEEMPTYGROUPS);
		SetWindowLongPtr(hwnd, GWL_STYLE, GetWindowLongPtr(hwnd, GWL_STYLE) | CLS_USEGROUPS);
		CallService(MS_CLIST_GROUPCREATE, contact->groupId, 0);
		return 0;
	case POPUP_RENAMEGROUP:
		pcli->pfnBeginRenameSelection(hwnd, dat);
		return 0;
	case POPUP_DELETEGROUP:
		if (contact->type == CLCIT_GROUP)
			CallService(MS_CLIST_GROUPDELETE, contact->groupId, 0);
		return 0;
	case POPUP_GROUPSHOWOFFLINE:
		if (contact->type == CLCIT_GROUP) {
			CallService(MS_CLIST_GROUPSETFLAGS, contact->groupId, MAKELPARAM(CLCItems_IsShowOfflineGroup(contact->group) ? 0 : GROUPF_SHOWOFFLINE, GROUPF_SHOWOFFLINE));
			pcli->pfnClcBroadcast(CLM_AUTOREBUILD, 0, 0);
		}
		return 0;
	case POPUP_GROUPHIDEOFFLINE:
		if (contact->type == CLCIT_GROUP)
			CallService(MS_CLIST_GROUPSETFLAGS, contact->groupId, MAKELPARAM(contact->group->hideOffline ? 0 : GROUPF_HIDEOFFLINE, GROUPF_HIDEOFFLINE));
		return 0;
	}

	if (contact->type == CLCIT_GROUP)
		if (CallService(MO_PROCESSCOMMANDBYMENUIDENT, LOWORD(wParam), (LPARAM)hwnd))
			return 0;

	return 0;
}

static LRESULT clcOnSize(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	pcli->pfnEndRename(hwnd, dat, 1);
	KillTimer(hwnd, TIMERID_INFOTIP);
	KillTimer(hwnd, TIMERID_RENAME);
	cliRecalcScrollBar(hwnd, dat);
	if (g_CluiData.fDisableSkinEngine || dat->force_in_dialog) {
		RECT rc = { 0 };
		GetClientRect(hwnd, &rc);
		if (rc.right == 0)
			return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

		rc.bottom = max(dat->row_min_heigh, 1);

		HDC hdc = GetDC(hwnd);
		int depth = GetDeviceCaps(hdc, BITSPIXEL);
		if (depth < 16)
			depth = 16;
		HBITMAP hBmp = CreateBitmap(rc.right, rc.bottom, 1, depth, NULL);
		HBITMAP hBmpMask = CreateBitmap(rc.right, rc.bottom, 1, 1, NULL);
		HDC hdcMem = CreateCompatibleDC(hdc);
		HBITMAP hoBmp = (HBITMAP)SelectObject(hdcMem, hBmp);
		HBRUSH hBrush = CreateSolidBrush((dat->useWindowsColours || dat->force_in_dialog) ? GetSysColor(COLOR_HIGHLIGHT) : dat->selBkColour);
		FillRect(hdcMem, &rc, hBrush);
		DeleteObject(hBrush);

		HBITMAP hoMaskBmp = (HBITMAP)SelectObject(hdcMem, hBmpMask);
		FillRect(hdcMem, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
		SelectObject(hdcMem, hoMaskBmp);
		SelectObject(hdcMem, hoBmp);
		DeleteDC(hdcMem);
		ReleaseDC(hwnd, hdc);
		if (dat->himlHighlight)
			ImageList_Destroy(dat->himlHighlight);
		dat->himlHighlight = ImageList_Create(rc.right, rc.bottom, ILC_COLOR32 | ILC_MASK, 1, 1);
		ImageList_Add(dat->himlHighlight, hBmp, hBmpMask);
		DeleteObject(hBmpMask);
		DeleteObject(hBmp);
	}
	else if (dat->himlHighlight) {
		ImageList_Destroy(dat->himlHighlight);
		dat->himlHighlight = NULL;
	}
	return 0;
}

static LRESULT clcOnChar(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (wParam == 27 && dat->szQuickSearch[0] == '\0') { //escape and not quick search
		// minimize clist
		CListMod_HideWindow(pcli->hwndContactList, SW_HIDE);
	}
	return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
}
static LRESULT clcOnPaint(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (IsWindowVisible(hwnd)) {
		if (!g_CluiData.fLayered || GetParent(hwnd) != pcli->hwndContactList) {
			PAINTSTRUCT ps;
			HDC hdc = BeginPaint(hwnd, &ps);
			g_clcPainter.cliPaintClc(hwnd, dat, hdc, &ps.rcPaint);
			EndPaint(hwnd, &ps);
		}
		else CallService(MS_SKINENG_INVALIDATEFRAMEIMAGE, (WPARAM)hwnd, 0);
	}
	return DefWindowProc(hwnd, msg, wParam, lParam);
}

static LRESULT clcOnEraseBkGround(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	return 1;
}

static LRESULT clcOnKeyDown(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (wParam == VK_CONTROL)
		return 0;

	pcli->pfnHideInfoTip(hwnd, dat);
	KillTimer(hwnd, TIMERID_INFOTIP);
	KillTimer(hwnd, TIMERID_RENAME);

	if (CallService(MS_CLIST_MENUPROCESSHOTKEY, wParam, MPCF_CONTACTMENU))
		return 0;

	RECT clRect;
	GetClientRect(hwnd, &clRect);
	int pageSize = (dat->rowHeight) ? clRect.bottom / dat->rowHeight : 0;
	int selMoved = 0;
	int changeGroupExpand = 0;

	switch (wParam) {
	case VK_DOWN:
	case VK_UP:
		if (dat->szQuickSearch[0] != '\0' && dat->selection != -1) { //get next contact
			//get next contact
			int index = clcSearchNextContact(hwnd, dat, dat->selection, dat->szQuickSearch, 1, (wParam == VK_UP));
			if (index == -1) {
				MessageBeep(MB_OK);
				return 0;
			}

			dat->selection = index;
			pcli->pfnInvalidateRect(hwnd, NULL, FALSE);
			pcli->pfnEnsureVisible(hwnd, dat, dat->selection, 0);
			return 0;
		}

		if (wParam == VK_DOWN) dat->selection++;
		if (wParam == VK_UP) dat->selection--;
		selMoved = 1;
		break;

	case VK_PRIOR: dat->selection -= pageSize; selMoved = 1; break;
	case VK_NEXT: dat->selection += pageSize; selMoved = 1; break;
	case VK_HOME: dat->selection = 0; selMoved = 1; break;
	case VK_END: dat->selection = pcli->pfnGetGroupContentsCount(&dat->list, 1) - 1; selMoved = 1; break;
	case VK_LEFT: changeGroupExpand = 1; break;
	case VK_RIGHT: changeGroupExpand = 2; break;
	case VK_RETURN:
		pcli->pfnDoSelectionDefaultAction(hwnd, dat);
		SetCapture(hwnd);
		dat->szQuickSearch[0] = 0;
		if (dat->filterSearch)
			pcli->pfnSaveStateAndRebuildList(hwnd, dat);
		return 0;

	case VK_F2: cliBeginRenameSelection(hwnd, dat); /*SetCapture(hwnd);*/ return 0;
	case VK_DELETE: pcli->pfnDeleteFromContactList(hwnd, dat); SetCapture(hwnd); return 0;
	case VK_ESCAPE:
		if ((dat->dragStage & DRAGSTAGEM_STAGE) == DRAGSTAGE_ACTIVE) {
			dat->iDragItem = -1;
			dat->iInsertionMark = -1;
			dat->dragStage = 0;
			ReleaseCapture();
		}
		return 0;

	default:
		NMKEY nmkey;
		nmkey.hdr.hwndFrom = hwnd;
		nmkey.hdr.idFrom = GetDlgCtrlID(hwnd);
		nmkey.hdr.code = NM_KEYDOWN;
		nmkey.nVKey = wParam;
		nmkey.uFlags = HIWORD(lParam);

		if (SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM)&nmkey)) {
			SetCapture(hwnd);
			return 0;
		}
	}

	if (changeGroupExpand) {
		ClcContact *contact;
		ClcGroup *group;
		int hit = cliGetRowByIndex(dat, dat->selection, &contact, &group);
		if (hit != -1) {
			if (contact->type == CLCIT_CONTACT && (contact->isSubcontact || contact->SubAllocated > 0)) {
				if (contact->isSubcontact && changeGroupExpand == 1) {
					dat->selection -= contact->isSubcontact;
					selMoved = 1;
				}
				else if (!contact->isSubcontact && contact->SubAllocated > 0) {
					if (changeGroupExpand == 1 && !contact->SubExpanded) {
						dat->selection = cliGetRowsPriorTo(&dat->list, group, -1);
						selMoved = 1;
					}
					else if (changeGroupExpand == 1 && contact->SubExpanded) {
						//Contract
						ClcContact *ht = NULL;
						KillTimer(hwnd, TIMERID_SUBEXPAND);
						contact->SubExpanded = 0;
						db_set_b(contact->hContact, "CList", "Expanded", 0);
						ht = contact;
						dat->needsResort = 1;
						pcli->pfnSortCLC(hwnd, dat, 1);
						cliRecalcScrollBar(hwnd, dat);
						hitcontact = NULL;
					}
					else if (changeGroupExpand == 2 && contact->SubExpanded) {
						dat->selection++;
						selMoved = 1;
					}
					else if (changeGroupExpand == 2 && !contact->SubExpanded && dat->expandMeta) {
						ClcContact *ht = NULL;
						KillTimer(hwnd, TIMERID_SUBEXPAND);
						contact->SubExpanded = 1;
						db_set_b(contact->hContact, "CList", "Expanded", 1);
						ht = contact;
						dat->needsResort = 1;
						pcli->pfnSortCLC(hwnd, dat, 1);
						cliRecalcScrollBar(hwnd, dat);
						if (ht) {
							ClcContact *contact2;
							ClcGroup *group2;
							if (FindItem(hwnd, dat, contact->hContact, &contact2, &group2, NULL, FALSE)) {
								int i = cliGetRowsPriorTo(&dat->list, group2, GetContactIndex(group2, contact2));
								pcli->pfnEnsureVisible(hwnd, dat, i + contact->SubAllocated, 0);
							}
						}
						hitcontact = NULL;
					}
				}
			}
			else {
				if (changeGroupExpand == 1 && contact->type == CLCIT_CONTACT) {
					if (group == &dat->list) { SetCapture(hwnd); return 0; }
					dat->selection = cliGetRowsPriorTo(&dat->list, group, -1);
					selMoved = 1;
				}
				else {
					if (contact->type == CLCIT_GROUP) {
						if (changeGroupExpand == 1) {
							if (!contact->group->expanded) {
								dat->selection--;
								selMoved = 1;
							}
							else pcli->pfnSetGroupExpand(hwnd, dat, contact->group, 0);
						}
						else if (changeGroupExpand == 2) {
							pcli->pfnSetGroupExpand(hwnd, dat, contact->group, 1);
							dat->selection++;
							selMoved = 1;
						}
						else { SetCapture(hwnd); return 0; }
					}
				}
			}
		}
		else {
			SetCapture(hwnd);
			return 0;
		}
	}
	if (selMoved) {
		if (dat->selection >= pcli->pfnGetGroupContentsCount(&dat->list, 1))
			dat->selection = pcli->pfnGetGroupContentsCount(&dat->list, 1) - 1;
		if (dat->selection < 0) dat->selection = 0;
		if (dat->bCompactMode)
			SendMessage(hwnd, WM_SIZE, 0, 0);
		CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
		pcli->pfnEnsureVisible(hwnd, dat, dat->selection, 0);
		UpdateWindow(hwnd);
		SetCapture(hwnd);
		return 0;
	}
	SetCapture(hwnd);
	return 0;
}

void clcSetDelayTimer(UINT_PTR uIDEvent, HWND hwnd, int nDelay)
{
	KillTimer(hwnd, uIDEvent);
	int delay = nDelay;
	if (delay == -1) {
		switch (uIDEvent) {
		case TIMERID_DELAYEDRESORTCLC: delay = 10;  break;
		case TIMERID_RECALCSCROLLBAR:  delay = 10;  break;
		case TIMERID_REBUILDAFTER:     delay = 50;  break;
		default:                       delay = 100; break;
		}
	}
	CLUI_SafeSetTimer(hwnd, uIDEvent, delay, NULL);
}

static LRESULT clcOnTimer(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch (wParam) {
	case TIMERID_INVALIDATE_FULL:
		KillTimer(hwnd, TIMERID_INVALIDATE_FULL);
		pcli->pfnRecalcScrollBar(hwnd, dat);
		pcli->pfnInvalidateRect(hwnd, NULL, 0);
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

	case TIMERID_INVALIDATE:
	{
		time_t cur_time = (time(NULL) / 60);
		if (cur_time != dat->last_tick_time) {
			CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
			dat->last_tick_time = cur_time;
		}
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	}
	case TIMERID_SUBEXPAND:
	{
		ClcContact *ht = NULL;
		KillTimer(hwnd, TIMERID_SUBEXPAND);
		if (hitcontact && dat->expandMeta) {
			if (hitcontact->SubExpanded) hitcontact->SubExpanded = 0; else hitcontact->SubExpanded = 1;
			db_set_b(hitcontact->hContact, "CList", "Expanded", hitcontact->SubExpanded);
			if (hitcontact->SubExpanded)
				ht = &(hitcontact->subcontacts[hitcontact->SubAllocated - 1]);
		}

		dat->needsResort = 1;
		pcli->pfnSortCLC(hwnd, dat, 1);
		cliRecalcScrollBar(hwnd, dat);
		if (ht) {
			int i = 0;
			ClcContact *contact;
			ClcGroup *group;
			if (FindItem(hwnd, dat, hitcontact->hContact, &contact, &group, NULL, FALSE)) {
				i = cliGetRowsPriorTo(&dat->list, group, GetContactIndex(group, contact));
				pcli->pfnEnsureVisible(hwnd, dat, i + hitcontact->SubAllocated, 0);
			}
		}
		hitcontact = NULL;
	}
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

	case TIMERID_DELAYEDRESORTCLC:
		TRACE("Do sort on Timer\n");
		KillTimer(hwnd, TIMERID_DELAYEDRESORTCLC);
		pcli->pfnSortCLC(hwnd, dat, 1);
		pcli->pfnInvalidateRect(hwnd, NULL, FALSE);
		return 0;

	case TIMERID_RECALCSCROLLBAR:
		KillTimer(hwnd, TIMERID_RECALCSCROLLBAR);
		pcli->pfnRecalcScrollBar(hwnd, dat);
		return 0;

	default:
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	}
	return 0;
}


static LRESULT clcOnActivate(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	TRACE("clcOnActivate\n");
	if (dat->bCompactMode) {
		cliRecalcScrollBar(hwnd, dat);
		if (dat->hwndRenameEdit == NULL)
			PostMessage(hwnd, WM_SIZE, 0, 0);
	}
	dat->dragStage |= DRAGSTAGEF_SKIPRENAME;
	return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
}

static LRESULT clcOnSetCursor(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (!CLUI_IsInMainWindow(hwnd))
		return DefWindowProc(hwnd, msg, wParam, lParam);

	if (g_CluiData.nBehindEdgeState > 0)
		CLUI_ShowFromBehindEdge();

	if (g_CluiData.bBehindEdgeSettings)
		CLUI_UpdateTimer(0);

	int lResult = CLUI_TestCursorOnBorders();
	return lResult ? lResult : DefWindowProc(hwnd, msg, wParam, lParam);
}

static LRESULT clcOnLButtonDown(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	POINT pt = { LOWORD(lParam), HIWORD(lParam) };
	ClientToScreen(hwnd, &pt);
	int k = CLUI_SizingOnBorder(pt, 0);
	if (k) {
		int io = dat->iHotTrack;
		dat->iHotTrack = 0;
		if (dat->exStyle & CLS_EX_TRACKSELECT)
			pcli->pfnInvalidateItem(hwnd, dat, io);

		if (k && GetCapture() == hwnd)
			SendMessage(GetParent(hwnd), WM_PARENTNOTIFY, WM_LBUTTONDOWN, lParam);
		return FALSE;
	}

	fMouseUpped = FALSE;
	pcli->pfnHideInfoTip(hwnd, dat);
	KillTimer(hwnd, TIMERID_INFOTIP);
	KillTimer(hwnd, TIMERID_RENAME);
	KillTimer(hwnd, TIMERID_SUBEXPAND);

	pcli->pfnEndRename(hwnd, dat, 1);
	dat->ptDragStart.x = (short)LOWORD(lParam);
	dat->ptDragStart.y = (short)HIWORD(lParam);

	ClcContact *contact;
	ClcGroup *group;
	DWORD hitFlags;
	int hit = cliHitTest(hwnd, dat, (short)LOWORD(lParam), (short)HIWORD(lParam), &contact, &group, &hitFlags);
	if (GetFocus() != hwnd)
		SetFocus(hwnd);
	if (hit != -1 && !(hitFlags & CLCHT_NOWHERE)) {
		if (hit == dat->selection && hitFlags & CLCHT_ONITEMLABEL && dat->exStyle & CLS_EX_EDITLABELS) {
			if (!(dat->dragStage & DRAGSTAGEF_SKIPRENAME)) {
				SetCapture(hwnd);
				dat->iDragItem = dat->selection;
				dat->dragStage = DRAGSTAGE_NOTMOVED | DRAGSTAGEF_MAYBERENAME;
				dat->dragAutoScrolling = 0;
				return TRUE;
			}
			else {
				dat->dragStage &= ~DRAGSTAGEF_SKIPRENAME;
				return TRUE;
			}
		}
	}

	if (hit != -1 && !(hitFlags & CLCHT_NOWHERE) && contact->type == CLCIT_CONTACT && contact->SubAllocated && !contact->isSubcontact)
		if (hitFlags & CLCHT_ONITEMICON && dat->expandMeta) {
			BYTE doubleClickExpand = db_get_b(NULL, "CLC", "MetaDoubleClick", SETTING_METAAVOIDDBLCLICK_DEFAULT);

			hitcontact = contact;
			HitPoint.x = (short)LOWORD(lParam);
			HitPoint.y = (short)HIWORD(lParam);
			fMouseUpped = FALSE;
			if ((GetKeyState(VK_SHIFT) & 0x8000) || (GetKeyState(VK_CONTROL) & 0x8000) || (GetKeyState(VK_MENU) & 0x8000)) {
				fMouseUpped = TRUE;
				hitcontact = contact;
				KillTimer(hwnd, TIMERID_SUBEXPAND);
				CLUI_SafeSetTimer(hwnd, TIMERID_SUBEXPAND, 0, NULL);
			}
		}
		else hitcontact = NULL;

		if (hit != -1 && !(hitFlags & CLCHT_NOWHERE) && contact->type == CLCIT_GROUP && (hitFlags & CLCHT_ONITEMICON)) {
			ClcGroup *selgroup;
			ClcContact *selcontact;
			dat->selection = cliGetRowByIndex(dat, dat->selection, &selcontact, &selgroup);
			pcli->pfnSetGroupExpand(hwnd, dat, contact->group, -1);
			if (dat->selection != -1) {
				dat->selection = cliGetRowsPriorTo(&dat->list, selgroup, GetContactIndex(selgroup, selcontact));
				if (dat->selection == -1)
					dat->selection = cliGetRowsPriorTo(&dat->list, contact->group, -1);
			}

			if (dat->bCompactMode)
				SendMessage(hwnd, WM_SIZE, 0, 0);
			else {
				CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
				UpdateWindow(hwnd);
			}
			return TRUE;
		}

		if (hit != -1 && !(hitFlags & CLCHT_NOWHERE) && (hitFlags & CLCHT_ONITEMCHECK)) {
			int bNewState = (contact->flags & CONTACTF_CHECKED) == 0; // inversion

			if (contact->type == CLCIT_GROUP)
				pcli->pfnSetGroupChildCheckboxes(contact->group, bNewState);
			else
				pcli->pfnSetContactCheckboxes(contact, bNewState);
			pcli->pfnRecalculateGroupCheckboxes(hwnd, dat);
			CLUI__cliInvalidateRect(hwnd, NULL, FALSE);

			NMCLISTCONTROL nm;
			nm.hdr.code = CLN_CHECKCHANGED;
			nm.hdr.hwndFrom = hwnd;
			nm.hdr.idFrom = GetDlgCtrlID(hwnd);
			nm.flags = 0;
			nm.hItem = ContactToItemHandle(contact, &nm.flags);
			SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM)&nm);
		}

		if (!(hitFlags & (CLCHT_ONITEMICON | CLCHT_ONITEMLABEL | CLCHT_ONITEMCHECK))) {
			NMCLISTCONTROL nm;
			nm.hdr.code = NM_CLICK;
			nm.hdr.hwndFrom = hwnd;
			nm.hdr.idFrom = GetDlgCtrlID(hwnd);
			nm.flags = 0;
			nm.hItem = (hit == -1 || hitFlags & CLCHT_NOWHERE) ? NULL : ContactToItemHandle(contact, &nm.flags);
			nm.iColumn = hitFlags & CLCHT_ONITEMEXTRA ? HIBYTE(HIWORD(hitFlags)) : -1;
			nm.pt = dat->ptDragStart;
			SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM)&nm);
		}

		if (hitFlags & (CLCHT_ONITEMCHECK | CLCHT_ONITEMEXTRA))
			return FALSE;

		dat->selection = (hitFlags & CLCHT_NOWHERE) ? -1 : hit;
		CLUI__cliInvalidateRect(hwnd, NULL, FALSE);

		UpdateWindow(hwnd);
		if (dat->selection != -1 && (contact->type == CLCIT_CONTACT || contact->type == CLCIT_GROUP) && !(hitFlags & (CLCHT_ONITEMEXTRA | CLCHT_ONITEMCHECK | CLCHT_NOWHERE))) {
			SetCapture(hwnd);
			dat->iDragItem = dat->selection;
			dat->dragStage = DRAGSTAGE_NOTMOVED;
			dat->dragAutoScrolling = 0;
		}

		if (dat->bCompactMode)
			SendMessage(hwnd, WM_SIZE, 0, 0);

		if (dat->selection != -1)
			pcli->pfnEnsureVisible(hwnd, dat, hit, 0);
		return TRUE;
}

static LRESULT clcOnCaptureChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if ((HWND)lParam != hwnd) {
		if (dat->iHotTrack != -1) {
			int i;
			i = dat->iHotTrack;
			dat->iHotTrack = -1;
			pcli->pfnInvalidateItem(hwnd, dat, i);
			pcli->pfnHideInfoTip(hwnd, dat);
		}
	}
	return 0;
}

static LRESULT clcOnMouseMove(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	BOOL isOutside = FALSE;
	if (CLUI_IsInMainWindow(hwnd)) {
		if (g_CluiData.bBehindEdgeSettings)
			CLUI_UpdateTimer(0);
		CLUI_TestCursorOnBorders();
	}

	if (clcProceedDragToScroll(hwnd, (short)HIWORD(lParam)))
		return 0;

	if (dat->dragStage & DRAGSTAGEF_MAYBERENAME) {
		POINT pt = UNPACK_POINT(lParam);
		if (abs(pt.x - dat->ptDragStart.x) > GetSystemMetrics(SM_CXDOUBLECLK) || abs(pt.y - dat->ptDragStart.y) > GetSystemMetrics(SM_CYDOUBLECLK)) {
			KillTimer(hwnd, TIMERID_RENAME);
			dat->dragStage &= (~DRAGSTAGEF_MAYBERENAME);
		}
	}

	if (dat->iDragItem == -1) {
		POINT pt = UNPACK_POINT(lParam);
		ClientToScreen(hwnd, &pt);
		HWND window = WindowFromPoint(pt);
		if (window != hwnd)
			isOutside = TRUE;
	}

	if (hitcontact != NULL) {
		int x = (short)LOWORD(lParam);
		int y = (short)HIWORD(lParam);
		int xm = GetSystemMetrics(SM_CXDOUBLECLK);
		int ym = GetSystemMetrics(SM_CYDOUBLECLK);
		if (abs(HitPoint.x - x) > xm || abs(HitPoint.y - y) > ym) {
			if (fMouseUpped) {
				KillTimer(hwnd, TIMERID_SUBEXPAND);
				CLUI_SafeSetTimer(hwnd, TIMERID_SUBEXPAND, 0, NULL);
				fMouseUpped = FALSE;
			}
			else {
				KillTimer(hwnd, TIMERID_SUBEXPAND);
				hitcontact = NULL;
				fMouseUpped = FALSE;
			}
		}
	}

	if (dat->iDragItem == -1) {
		DWORD flag = 0;
		int iOldHotTrack = dat->iHotTrack;

		if (dat->hwndRenameEdit != NULL || GetKeyState(VK_MENU) & 0x8000 || GetKeyState(VK_F10) & 0x8000)
			return 0;

		dat->iHotTrack = isOutside ? -1 : cliHitTest(hwnd, dat, (short)LOWORD(lParam), (short)HIWORD(lParam), NULL, NULL, &flag);

		if (flag & CLCHT_NOWHERE)
			dat->iHotTrack = -1;

		if (iOldHotTrack != dat->iHotTrack || isOutside) {
			if (iOldHotTrack == -1 && !isOutside)
				SetCapture(hwnd);

			if (dat->iHotTrack == -1 || isOutside)
				ReleaseCapture();

			if (dat->exStyle & CLS_EX_TRACKSELECT) {
				pcli->pfnInvalidateItem(hwnd, dat, iOldHotTrack);
				pcli->pfnInvalidateItem(hwnd, dat, dat->iHotTrack);
			}

			pcli->pfnHideInfoTip(hwnd, dat);
		}

		KillTimer(hwnd, TIMERID_INFOTIP);

		if (wParam == 0 && dat->hInfoTipItem == NULL) {
			dat->ptInfoTip.x = (short)LOWORD(lParam);
			dat->ptInfoTip.y = (short)HIWORD(lParam);
			CLUI_SafeSetTimer(hwnd, TIMERID_INFOTIP, dat->infoTipTimeout, NULL);
		}
		return 0;
	}

	if ((dat->dragStage & DRAGSTAGEM_STAGE) == DRAGSTAGE_NOTMOVED && !(dat->exStyle & CLS_EX_DISABLEDRAGDROP))
		if (abs((short)LOWORD(lParam) - dat->ptDragStart.x) >= GetSystemMetrics(SM_CXDRAG) || abs((short)HIWORD(lParam) - dat->ptDragStart.y) >= GetSystemMetrics(SM_CYDRAG))
			dat->dragStage = (dat->dragStage & ~DRAGSTAGEM_STAGE) | DRAGSTAGE_ACTIVE;

	if ((dat->dragStage & DRAGSTAGEM_STAGE) == DRAGSTAGE_ACTIVE) {
		RECT clRect;
		GetClientRect(hwnd, &clRect);

		POINT pt = UNPACK_POINT(lParam);
		HCURSOR hNewCursor = LoadCursor(NULL, IDC_NO);
		CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
		if (dat->dragAutoScrolling) {
			KillTimer(hwnd, TIMERID_DRAGAUTOSCROLL);
			dat->dragAutoScrolling = 0;
		}
		int target = GetDropTargetInformation(hwnd, dat, pt);
		if ((dat->dragStage & DRAGSTAGEF_OUTSIDE) && target != DROPTARGET_OUTSIDE) {
			ClcContact *contact;
			cliGetRowByIndex(dat, dat->iDragItem, &contact, NULL);

			NMCLISTCONTROL nm;
			nm.hdr.code = CLN_DRAGSTOP;
			nm.hdr.hwndFrom = hwnd;
			nm.hdr.idFrom = GetDlgCtrlID(hwnd);
			nm.flags = 0;
			nm.hItem = ContactToItemHandle(contact, &nm.flags);
			SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM)&nm);
			dat->dragStage &= ~DRAGSTAGEF_OUTSIDE;
		}

		ClcContact *contSour, *contDest;

		switch (target) {
		case DROPTARGET_ONSELF:
			break;

		case DROPTARGET_ONCONTACT:
			cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
			if (contSour->isChat())
				break;
			if (contSour->type == CLCIT_CONTACT && mir_strcmp(contSour->proto, META_PROTO)) {
				if (!contSour->isSubcontact)
					hNewCursor = LoadCursor(GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_DROPUSER));  /// Add to meta
				else
					hNewCursor = LoadCursor(g_hInst, MAKEINTRESOURCE(IDC_DROPMETA));
			}
			break;

		case DROPTARGET_ONMETACONTACT:
			cliGetRowByIndex(dat, dat->selection, &contDest, NULL);
			cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
			if (contSour->isChat() || contDest->isChat())
				break;
			if (contSour->type == CLCIT_CONTACT && mir_strcmp(contSour->proto, META_PROTO)) {
				if (!contSour->isSubcontact)
					hNewCursor = LoadCursor(GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_DROPUSER));  /// Add to meta
				else if (contSour->subcontacts == contDest)
					hNewCursor = LoadCursor(g_hInst, MAKEINTRESOURCE(IDC_DEFAULTSUB)); ///MakeDefault
				else
					hNewCursor = LoadCursor(g_hInst, MAKEINTRESOURCE(IDC_REGROUP));
			}
			break;

		case DROPTARGET_ONSUBCONTACT:
			cliGetRowByIndex(dat, dat->selection, &contDest, NULL);
			cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
			if (contSour->isChat() || contDest->isChat())
				break;
			if (contSour->type == CLCIT_CONTACT && mir_strcmp(contSour->proto, META_PROTO)) {
				if (!contSour->isSubcontact)
					hNewCursor = LoadCursor(GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_DROPUSER));  /// Add to meta
				else if (contDest->subcontacts == contSour->subcontacts)
					break;
				else
					hNewCursor = LoadCursor(g_hInst, MAKEINTRESOURCE(IDC_REGROUP));
			}
			break;

		case DROPTARGET_ONGROUP:
			hNewCursor = LoadCursor(GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_DROPUSER));
			break;

		case DROPTARGET_INSERTION:
			hNewCursor = LoadCursor(GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_DROP));
			break;

		case DROPTARGET_OUTSIDE:
			if (pt.x >= 0 && pt.x < clRect.right && ((pt.y < 0 && pt.y>-dat->dragAutoScrollHeight) || (pt.y >= clRect.bottom && pt.y < clRect.bottom + dat->dragAutoScrollHeight))) {
				if (!dat->dragAutoScrolling) {
					dat->dragAutoScrolling = (pt.y < 0) ? -1 : 1;
					CLUI_SafeSetTimer(hwnd, TIMERID_DRAGAUTOSCROLL, dat->scrollTime, NULL);
				}
				SendMessage(hwnd, WM_TIMER, TIMERID_DRAGAUTOSCROLL, 0);
			}

			dat->dragStage |= DRAGSTAGEF_OUTSIDE;
			{
				ClcContact *contact;
				cliGetRowByIndex(dat, dat->iDragItem, &contact, NULL);

				NMCLISTCONTROL nm;
				nm.hdr.code = CLN_DRAGGING;
				nm.hdr.hwndFrom = hwnd;
				nm.hdr.idFrom = GetDlgCtrlID(hwnd);
				nm.flags = 0;
				nm.hItem = ContactToItemHandle(contact, &nm.flags);
				nm.pt = pt;
				if (SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM)&nm))
					return 0;
			}
			break;

		default:
			ClcGroup *group = NULL;
			cliGetRowByIndex(dat, dat->iDragItem, NULL, &group);
			if (group && group->parent) {
				ClcContact *contSour;
				cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
				if (!contSour->isSubcontact)
					hNewCursor = LoadCursor(GetModuleHandle(NULL), MAKEINTRESOURCE(IDC_DROPUSER));
			}
			break;
		}
		SetCursor(hNewCursor);
	}
	return 0;
}

static LRESULT clcOnLButtonUp(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (clcExitDragToScroll())
		return 0;

	fMouseUpped = TRUE;

	if (hitcontact != NULL && dat->expandMeta) {
		BYTE doubleClickExpand = db_get_b(NULL, "CLC", "MetaDoubleClick", SETTING_METAAVOIDDBLCLICK_DEFAULT);
		CLUI_SafeSetTimer(hwnd, TIMERID_SUBEXPAND, GetDoubleClickTime()*doubleClickExpand, NULL);
	}
	else if (dat->iHotTrack == -1 && dat->iDragItem == -1)
		ReleaseCapture();

	if (dat->iDragItem == -1)
		return 0;

	SetCursor((HCURSOR)GetClassLongPtr(hwnd, GCLP_HCURSOR));
	if (dat->exStyle & CLS_EX_TRACKSELECT) {
		DWORD flags;
		dat->iHotTrack = cliHitTest(hwnd, dat, (short)LOWORD(lParam), (short)HIWORD(lParam), NULL, NULL, &flags);
		if (dat->iHotTrack == -1)
			ReleaseCapture();
	}
	else if (hitcontact == NULL)
		ReleaseCapture();
	KillTimer(hwnd, TIMERID_DRAGAUTOSCROLL);
	if (dat->dragStage == (DRAGSTAGE_NOTMOVED | DRAGSTAGEF_MAYBERENAME))
		CLUI_SafeSetTimer(hwnd, TIMERID_RENAME, GetDoubleClickTime(), NULL);
	else if ((dat->dragStage & DRAGSTAGEM_STAGE) == DRAGSTAGE_ACTIVE) {
		TCHAR Wording[500];
		ClcContact *contDest, *contSour;
		POINT pt = UNPACK_POINT(lParam);
		int target = GetDropTargetInformation(hwnd, dat, pt);
		switch (target) {
		case DROPTARGET_ONSELF:
			break;

		case DROPTARGET_ONCONTACT:
			cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
			cliGetRowByIndex(dat, dat->selection, &contDest, NULL);
			if (contSour->type == CLCIT_CONTACT) {
				MCONTACT hcontact = contSour->hContact;
				if (mir_strcmp(contSour->proto, META_PROTO)) {
					if (!contSour->isSubcontact) {
						MCONTACT hDest = contDest->hContact;
						mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be converted to metacontact and '%s' be added to it?"), contDest->szText, contSour->szText);
						int res = MessageBox(hwnd, Wording, TranslateT("Converting to metacontact"), MB_OKCANCEL | MB_ICONQUESTION);
						if (res == 1) {
							MCONTACT handle = CallService(MS_MC_CONVERTTOMETA, hDest, 0);
							if (!handle)
								return 0;

							CallService(MS_MC_ADDTOMETA, hcontact, handle);
						}
					}
					else {
						hcontact = contSour->hContact;
						MCONTACT hfrom = contSour->subcontacts->hContact;
						MCONTACT hdest = contDest->hContact;
						mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be converted to metacontact and '%s' be added to it (remove it from '%s')?"), contDest->szText, contSour->szText, contSour->subcontacts->szText);
						int res = MessageBox(hwnd, Wording, TranslateT("Converting to metacontact (moving)"), MB_OKCANCEL | MB_ICONQUESTION);
						if (res == 1) {
							MCONTACT handle = (MCONTACT)CallService(MS_MC_CONVERTTOMETA, (WPARAM)hdest, 0);
							if (!handle)
								return 0;

							CallService(MS_MC_REMOVEFROMMETA, 0, hcontact);
							CallService(MS_MC_ADDTOMETA, hcontact, handle);
						}
					}
				}
			}
			break;

		case DROPTARGET_ONMETACONTACT:
			cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
			cliGetRowByIndex(dat, dat->selection, &contDest, NULL);
			
			if (contSour->type == CLCIT_CONTACT) {
				if (!strcmp(contSour->proto, META_PROTO))
					break;
				if (!contSour->isSubcontact) {
					MCONTACT hcontact = contSour->hContact;
					MCONTACT handle = contDest->hContact;
					mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be added to metacontact '%s'?"), contSour->szText, contDest->szText);
					int res = MessageBox(hwnd, Wording, TranslateT("Adding contact to metacontact"), MB_OKCANCEL | MB_ICONQUESTION);
					if (res == 1) {
						if (!handle)
							return 0;
						CallService(MS_MC_ADDTOMETA, hcontact, handle);
					}
				}
				else if (contSour->subcontacts == contDest) {
					MCONTACT hsour = contSour->hContact;
					mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be default?"), contSour->szText);
					int res = MessageBox(hwnd, Wording, TranslateT("Set default contact"), MB_OKCANCEL | MB_ICONQUESTION);
					if (res == 1)
						db_mc_setDefault(contDest->hContact, hsour, true);
				}
				else {
					MCONTACT hcontact = contSour->hContact;
					MCONTACT hfrom = contSour->subcontacts->hContact;
					MCONTACT handle = contDest->hContact;
					mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be removed from metacontact '%s' and added to '%s'?"), contSour->szText, contSour->subcontacts->szText, contDest->szText);
					int res = MessageBox(hwnd, Wording, TranslateT("Changing metacontacts (moving)"), MB_OKCANCEL | MB_ICONQUESTION);
					if (res == 1) {
						if (!handle)
							return 0;

						CallService(MS_MC_REMOVEFROMMETA, 0, hcontact);
						CallService(MS_MC_ADDTOMETA, hcontact, handle);
					}
				}
			}
			break;

		case DROPTARGET_ONSUBCONTACT:
			cliGetRowByIndex(dat, dat->iDragItem, &contSour, NULL);
			cliGetRowByIndex(dat, dat->selection, &contDest, NULL);
			if (contSour->type == CLCIT_CONTACT) {
				if (!strcmp(contSour->proto, META_PROTO))
					break;
				if (!contSour->isSubcontact) {
					MCONTACT hcontact = contSour->hContact;
					MCONTACT handle = contDest->subcontacts->hContact;
					mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be added to metacontact '%s'?"), contSour->szText, contDest->subcontacts->szText);
					int res = MessageBox(hwnd, Wording, TranslateT("Changing metacontacts (moving)"), MB_OKCANCEL | MB_ICONQUESTION);
					if (res == 1) {
						if (!handle)
							return 0;
						
						CallService(MS_MC_ADDTOMETA, hcontact, handle);
					}
				}
				else if (contSour->subcontacts != contDest->subcontacts) {
					MCONTACT hcontact = contSour->hContact;
					MCONTACT hfrom = contSour->subcontacts->hContact;
					MCONTACT handle = contDest->subcontacts->hContact;
					mir_sntprintf(Wording, SIZEOF(Wording), TranslateT("Do you want contact '%s' to be removed from metacontact '%s' and added to '%s'?"), contSour->szText, contSour->subcontacts->szText, contDest->subcontacts->szText);
					int res = MessageBox(hwnd, Wording, TranslateT("Changing metacontacts (moving)"), MB_OKCANCEL | MB_ICONQUESTION);
					if (res == 1) {
						if (!handle)
							return 0;

						CallService(MS_MC_REMOVEFROMMETA, 0, hcontact);
						CallService(MS_MC_ADDTOMETA, hcontact, handle);
					}
				}
			}
			break;

		case DROPTARGET_ONGROUP:
			corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
			break;

		case DROPTARGET_INSERTION:
			{
				ClcContact *contact, *destcontact;
				ClcGroup *group, *destgroup;
				BOOL NeedRename = FALSE;
				TCHAR newName[128] = { 0 };
				pcli->pfnGetRowByIndex(dat, dat->iDragItem, &contact, &group);
				int i = pcli->pfnGetRowByIndex(dat, dat->iInsertionMark, &destcontact, &destgroup);
				if (i != -1 && group->groupId != destgroup->groupId) {
					TCHAR *groupName = mir_tstrdup(pcli->pfnGetGroupName(contact->groupId, 0));
					TCHAR *shortGroup = NULL;
					TCHAR *sourceGrName = mir_tstrdup(pcli->pfnGetGroupName(destgroup->groupId, 0));
					if (groupName) {
						int len = (int)_tcslen(groupName);
						do { len--; }
						while (len >= 0 && groupName[len] != '\\');
						if (len >= 0) shortGroup = groupName + len + 1;
						else shortGroup = groupName;
					}
					if (shortGroup) {
						NeedRename = TRUE;
						if (sourceGrName)
							mir_sntprintf(newName, SIZEOF(newName), _T("%s\\%s"), sourceGrName, shortGroup);
						else
							mir_sntprintf(newName, SIZEOF(newName), _T("%s"), shortGroup);
					}
					mir_free(groupName);
					mir_free(sourceGrName);
				}
				int newIndex = CallService(MS_CLIST_GROUPMOVEBEFORE, contact->groupId, (destcontact && i != -1) ? destcontact->groupId : 0);
				newIndex = newIndex ? newIndex : contact->groupId;
				if (NeedRename) pcli->pfnRenameGroup(newIndex, newName);
			}
			break;

		case DROPTARGET_OUTSIDE:
			corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
			break;

		default:
			corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
			break;
		}
	}

	CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
	dat->iDragItem = -1;
	dat->iInsertionMark = -1;
	return 0;
}

static LRESULT clcOnLButtonDblClick(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	KillTimer(hwnd, TIMERID_SUBEXPAND);
	hitcontact = NULL;
	return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
}

static LRESULT clcOnDestroy(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	for (int i = 0; i <= FONTID_MODERN_MAX; i++) {
		if (dat->fontModernInfo[i].hFont)
			DeleteObject(dat->fontModernInfo[i].hFont);
		dat->fontModernInfo[i].hFont = NULL;
	}
	if (dat->hMenuBackground) {
		DeleteObject(dat->hMenuBackground);
		dat->hMenuBackground = NULL;
	}
	if (!dat->bkChanged && dat->hBmpBackground) {
		DeleteObject(dat->hBmpBackground);
		dat->hBmpBackground = NULL;
	}

	ImageArray_Clear(&dat->avatar_cache);
	DeleteDC(dat->avatar_cache.hdc);
	ImageArray_Free(&dat->avatar_cache, FALSE);
	if (dat->himlHighlight)
		ImageList_Destroy(dat->himlHighlight);

	RowHeights_Free(dat);
	corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	xpt_FreeThemeForWindow(hwnd);
	return 0;
}

static LRESULT clcOnIntmGroupChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	WORD iExtraImage[EXTRA_ICON_COUNT];
	BYTE flags = 0;

	ClcContact *contact;
	if (!pcli->pfnFindItem(hwnd, dat, wParam, &contact, NULL, NULL))
		memset(iExtraImage, 0xFF, sizeof(iExtraImage));
	else {
		memcpy(iExtraImage, contact->iExtraImage, sizeof(iExtraImage));
		flags = contact->flags;
	}
	pcli->pfnDeleteItemFromTree(hwnd, wParam);
	if (GetWindowLongPtr(hwnd, GWL_STYLE) & CLS_SHOWHIDDEN || !db_get_b(wParam, "CList", "Hidden", 0)) {
		NMCLISTCONTROL nm;
		pcli->pfnAddContactToTree(hwnd, dat, wParam, 1, 1);
		if (pcli->pfnFindItem(hwnd, dat, wParam, &contact, NULL, NULL)) {
			memcpy(contact->iExtraImage, iExtraImage, sizeof(iExtraImage));
			if (flags & CONTACTF_CHECKED)
				contact->flags |= CONTACTF_CHECKED;
		}
		nm.hdr.code = CLN_CONTACTMOVED;
		nm.hdr.hwndFrom = hwnd;
		nm.hdr.idFrom = GetDlgCtrlID(hwnd);
		nm.flags = 0;
		nm.hItem = (HANDLE)wParam;
		SendMessage(GetParent(hwnd), WM_NOTIFY, 0, (LPARAM)&nm);
		dat->needsResort = 1;
	}
	SetTimer(hwnd, TIMERID_REBUILDAFTER, 1, NULL);
	return 0;
}

static LRESULT clcOnIntmIconChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	ClcContact *contact = NULL;
	ClcGroup *group = NULL;
	int recalcScrollBar = 0, shouldShow;
	BOOL needRepaint = FALSE;
	RECT iconRect = { 0 };
	int contacticon = corecli.pfnGetContactIcon(wParam);
	MCONTACT hSelItem = NULL;
	ClcContact *selcontact = NULL;

	char *szProto = GetContactProto(wParam);
	WORD status = (szProto == NULL) ? ID_STATUS_OFFLINE : GetContactCachedStatus(wParam);
	BOOL image_is_special = (LOWORD(contacticon) != (LOWORD(lParam))); //check only base icons

	int nHiddenStatus = CLVM_GetContactHiddenStatus(wParam, szProto, dat);

	DWORD style = GetWindowLongPtr(hwnd, GWL_STYLE);
	bool isVisiblebyFilter = (((style & CLS_SHOWHIDDEN) && nHiddenStatus != -1) || !nHiddenStatus);
	bool ifVisibleByClui = !pcli->pfnIsHiddenMode(dat, status);
	bool isVisible = g_CluiData.bFilterEffective&CLVM_FILTER_STATUS ? TRUE : ifVisibleByClui;
	bool isIconChanged = cli_GetContactIcon(wParam) != LOWORD(lParam);

	shouldShow = isVisiblebyFilter && (isVisible || isIconChanged);

	// XXX CLVM changed - this means an offline msg is flashing, so the contact should be shown

	if (!pcli->pfnFindItem(hwnd, dat, wParam, &contact, &group, NULL)) {
		if (shouldShow && CallService(MS_DB_CONTACT_IS, wParam, 0)) {
			if (dat->selection >= 0 && pcli->pfnGetRowByIndex(dat, dat->selection, &selcontact, NULL) != -1)
				hSelItem = (MCONTACT)pcli->pfnContactToHItem(selcontact);
			pcli->pfnAddContactToTree(hwnd, dat, wParam, (style & CLS_CONTACTLIST) == 0, 0);
			recalcScrollBar = 1;
			needRepaint = TRUE;
			pcli->pfnFindItem(hwnd, dat, wParam, &contact, NULL, NULL);
			if (contact) {
				contact->iImage = lParam;
				contact->image_is_special = image_is_special;
				pcli->pfnNotifyNewContact(hwnd, wParam);
				dat->needsResort = 1;
			}
		}
	}
	else {
		//item in list already
		if (contact->iImage == lParam)
			return 0;

		if (!shouldShow && !(style & CLS_NOHIDEOFFLINE) && (style & CLS_HIDEOFFLINE || group->hideOffline) && clcItemNotHiddenOffline(dat, group, contact))
			shouldShow = TRUE;

		if (!shouldShow && !(style & CLS_NOHIDEOFFLINE) && ((style & CLS_HIDEOFFLINE) || group->hideOffline || g_CluiData.bFilterEffective)) { // CLVM changed
			if (dat->selection >= 0 && pcli->pfnGetRowByIndex(dat, dat->selection, &selcontact, NULL) != -1)
				hSelItem = (MCONTACT)pcli->pfnContactToHItem(selcontact);
			pcli->pfnRemoveItemFromGroup(hwnd, group, contact, (style & CLS_CONTACTLIST) == 0);
			needRepaint = TRUE;
			recalcScrollBar = 1;
			dat->needsResort = 1;
		}
		else if (contact) {
			contact->iImage = lParam;
			if (!pcli->pfnIsHiddenMode(dat, status))
				contact->flags |= CONTACTF_ONLINE;
			else
				contact->flags &= ~CONTACTF_ONLINE;
			contact->image_is_special = image_is_special;
			if (!image_is_special) { //Only if it is status changing
				dat->needsResort = 1;
				needRepaint = TRUE;
			}
			else if (dat->m_paintCouter == contact->lastPaintCounter) //if contacts is visible
				needRepaint = TRUE;
		}
	}

	if (hSelItem) {
		ClcGroup *selgroup;
		if (pcli->pfnFindItem(hwnd, dat, hSelItem, &selcontact, &selgroup, NULL))
			dat->selection = pcli->pfnGetRowsPriorTo(&dat->list, selgroup, List_IndexOf((SortedList*)&selgroup->cl, selcontact));
		else
			dat->selection = -1;
	}

	if (dat->needsResort) {
		TRACE("Sort required\n");
		clcSetDelayTimer(TIMERID_DELAYEDRESORTCLC, hwnd);
	}
	else if (needRepaint) {
		if (contact && contact->pos_icon.bottom != 0 && contact->pos_icon.right != 0)
			CLUI__cliInvalidateRect(hwnd, &(contact->pos_icon), FALSE);
		else
			CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
		//try only needed rectangle
	}

	return 0;
}

static LRESULT clcOnIntmAvatarChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	ClcContact *contact;
	if (FindItem(hwnd, dat, wParam, &contact, NULL, NULL, FALSE))
		Cache_GetAvatar(dat, contact);
	else if (dat->use_avatar_service && !wParam)
		UpdateAllAvatars(dat);

	CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
	return 0;
}

static LRESULT clcOnIntmTimeZoneChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	ClcContact *contact;
	if (!FindItem(hwnd, dat, wParam, &contact, NULL, NULL, FALSE))
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

	if (contact) {
		Cache_GetTimezone(dat, contact->hContact);
		Cache_GetText(dat, contact, 1);
		cliRecalcScrollBar(hwnd, dat);
	}
	return 0;
}

static LRESULT clcOnIntmNameChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	int ret = corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

	pcli->pfnInvalidateDisplayNameCacheEntry(wParam);

	ClcContact *contact;
	if (!FindItem(hwnd, dat, wParam, &contact, NULL, NULL, FALSE))
		return ret;

	lstrcpyn(contact->szText, pcli->pfnGetContactDisplayName(wParam, 0), SIZEOF(contact->szText));
	if (contact) {
		Cache_GetText(dat, contact, 1);
		cliRecalcScrollBar(hwnd, dat);
	}
	dat->needsResort = 1;
	pcli->pfnSortContacts();

	return ret;
}

static LRESULT clcOnIntmApparentModeChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
}

static LRESULT clcOnIntmStatusMsgChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM hContact, LPARAM lParam)
{
	if (hContact == NULL || IsHContactInfo(hContact) || IsHContactGroup(hContact))
		return corecli.pfnContactListControlWndProc(hwnd, msg, hContact, lParam);

	ClcContact *contact;
	if (!FindItem(hwnd, dat, hContact, &contact, NULL, NULL, FALSE))
		return corecli.pfnContactListControlWndProc(hwnd, msg, hContact, lParam);

	if (contact) {
		Cache_GetText(dat, contact, 1);
		cliRecalcScrollBar(hwnd, dat);
		PostMessage(hwnd, INTM_INVALIDATE, 0, 0);
	}
	return corecli.pfnContactListControlWndProc(hwnd, msg, hContact, lParam);
}

static LRESULT clcOnIntmNotOnListChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	DBCONTACTWRITESETTING *dbcws = (DBCONTACTWRITESETTING*)lParam;

	ClcContact *contact;
	if (!FindItem(hwnd, dat, wParam, &contact, NULL, NULL, TRUE))
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

	if (contact->type != CLCIT_CONTACT)
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);

	if (dbcws->value.type == DBVT_DELETED || dbcws->value.bVal == 0)
		contact->flags &= ~CONTACTF_NOTONLIST;
	else
		contact->flags |= CONTACTF_NOTONLIST;

	CLUI__cliInvalidateRect(hwnd, NULL, FALSE);
	return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
}

static LRESULT clcOnIntmScrollBarChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (GetWindowLongPtr(hwnd, GWL_STYLE) & CLS_CONTACTLIST) {
		if (dat->noVScrollbar)
			ShowScrollBar(hwnd, SB_VERT, FALSE);
		else
			pcli->pfnRecalcScrollBar(hwnd, dat);
	}
	return 0;
}

static LRESULT clcOnIntmStatusChanged(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	int ret = corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	if (wParam != 0) {
		ClcCacheEntry *pdnce = pcli->pfnGetCacheEntry(wParam);
		if (pdnce && pdnce->m_cache_cszProto) {
			pdnce->m_cache_nStatus = GetStatusForContact(pdnce->hContact, pdnce->m_cache_cszProto);
			if (!dat->force_in_dialog && (dat->second_line_show || dat->third_line_show))
				gtaRenewText(pdnce->hContact);
			SendMessage(hwnd, INTM_ICONCHANGED, wParam, corecli.pfnGetContactIcon(wParam));

			ClcContact *contact;
			if (FindItem(hwnd, dat, wParam, &contact, NULL, NULL, TRUE)) {
				if (contact && contact->type == CLCIT_CONTACT) {
					if (!contact->image_is_special && pdnce___GetStatus(pdnce) > ID_STATUS_OFFLINE)
						contact->iImage = corecli.pfnGetContactIcon(wParam);
					if (contact->isSubcontact && contact->subcontacts && contact->subcontacts->type == CLCIT_CONTACT)
						pcli->pfnClcBroadcast(INTM_STATUSCHANGED, contact->subcontacts->hContact, 0); //forward status changing to host meta contact
				}
			}
		}
	}

	if (db_get_b(NULL, "CList", "PlaceOfflineToRoot", SETTING_PLACEOOFLINETOROOT_DEFAULT))
		pcli->pfnInitAutoRebuild(hwnd);
	else {
		pcli->pfnSortContacts();
		PostMessage(hwnd, INTM_INVALIDATE, 0, 0);
	}
	return ret;
}

static LRESULT clcOnIntmReloadOptions(ClcData *dat, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	pcli->pfnLoadClcOptions(hwnd, dat);
	LoadCLCOptions(hwnd, dat);
	pcli->pfnSaveStateAndRebuildList(hwnd, dat);
	pcli->pfnSortCLC(hwnd, dat, 1);
	if (IsWindowVisible(hwnd))
		pcli->pfnInvalidateRect(GetParent(hwnd), NULL, FALSE);
	return TRUE;
}

HRESULT ClcLoadModule()
{
	g_himlCListClc = (HIMAGELIST)CallService(MS_CLIST_GETICONSIMAGELIST, 0, 0);

	HookEvent(ME_MC_SUBCONTACTSCHANGED, clcMetacontactChanged);
	HookEvent(ME_MC_ENABLED, clcMetaModeChanged);
	HookEvent(ME_DB_CONTACT_SETTINGCHANGED, clcHookSettingChanged);
	HookEvent(ME_OPT_INITIALISE, ClcOptInit);
	hAckHook = (HANDLE)HookEvent(ME_PROTO_ACK, clcHookProtoAck);
	HookEvent(ME_SYSTEM_MODULESLOADED, clcHookModulesLoaded);
	HookEvent(ME_DB_EVENT_ADDED, clcHookDbEventAdded);
	return S_OK;
}

int ClcUnloadModule()
{
	if (g_CluiData.bOldUseGroups != (BYTE)-1)
		db_set_b(NULL, "CList", "UseGroups", (BYTE)g_CluiData.bOldUseGroups);
	if (g_CluiData.boldHideOffline != (BYTE)-1)
		db_set_b(NULL, "CList", "HideOffline", (BYTE)g_CluiData.boldHideOffline);

	return 0;
}

int ClcDoProtoAck(MCONTACT wParam, ACKDATA * ack)
{
	if (MirandaExiting()) return 0;
	if (ack->type == ACKTYPE_STATUS) {
		if (ack->result == ACKRESULT_SUCCESS) {
			for (int i = 0; i < pcli->hClcProtoCount; i++) {
				if (!lstrcmpA(pcli->clcProto[i].szProto, ack->szModule)) {
					pcli->clcProto[i].dwStatus = (WORD)ack->lParam;
					if (pcli->clcProto[i].dwStatus >= ID_STATUS_OFFLINE)
						pcli->pfnTrayIconUpdateBase(pcli->clcProto[i].szProto);
					return 0;
				}
			}
		}
	}
	else if (ack->type == ACKTYPE_AWAYMSG) {
		if (ack->result == ACKRESULT_SUCCESS && ack->lParam) {
			//Do not change DB if it is IRC protocol
			if (ack->szModule != NULL)
				if (db_get_b(ack->hContact, ack->szModule, "ChatRoom", 0) != 0)
					return 0;

			db_set_ws(ack->hContact, "CList", "StatusMsg", (const TCHAR *)ack->lParam);
			gtaRenewText(ack->hContact);
		}
		else {
			//db_unset(ack->hContact,"CList","StatusMsg");
			//char a = '\0';
			//Do not change DB if it is IRC protocol
			if (ack->szModule != NULL)
				if (db_get_b(ack->hContact, ack->szModule, "ChatRoom", 0) != 0)
					return 0;

			if (ack->hContact) {
				char * val = db_get_sa(ack->hContact, "CList", "StatusMsg");
				if (val) {
					if (!mir_bool_strcmpi(val, ""))
						db_set_s(ack->hContact, "CList", "StatusMsg", "");
					else
						gtaRenewText(ack->hContact);
					mir_free(val);
				}
			}
			//pcli->pfnClcBroadcast(INTM_STATUSMSGCHANGED,(WPARAM)ack->hContact,&a);
		}
	}
	else if (ack->type == ACKTYPE_AVATAR) {
		if (ack->result == ACKRESULT_SUCCESS) {
			PROTO_AVATAR_INFORMATIONT *pai = (PROTO_AVATAR_INFORMATIONT*)ack->hProcess;
			if (pai != NULL && pai->hContact != NULL)
				pcli->pfnClcBroadcast(INTM_AVATARCHANGED, (WPARAM)pai->hContact, 0);
		}
	}
	else if (ack->type == ACKTYPE_EMAIL) {
		CLUIUnreadEmailCountChanged(0, 0);
	}
	return 0;
}

int ClcGetShortData(ClcData* pData, struct SHORTDATA *pShortData)
{
	if (!pData || !pShortData)
		return -1;
	
	pShortData->hWnd = pData->hWnd;
	pShortData->text_replace_smileys = pData->text_replace_smileys;
	pShortData->text_smiley_height = pData->text_smiley_height;
	pShortData->text_use_protocol_smileys = pData->text_use_protocol_smileys;
	pShortData->contact_time_show_only_if_different = pData->contact_time_show_only_if_different;
	// Second line
	pShortData->second_line_show = pData->second_line_show;
	pShortData->second_line_draw_smileys = pData->second_line_draw_smileys;
	pShortData->second_line_type = pData->second_line_type;

	_tcsncpy(pShortData->second_line_text, pData->second_line_text, TEXT_TEXT_MAX_LENGTH);

	pShortData->second_line_xstatus_has_priority = pData->second_line_xstatus_has_priority;
	pShortData->second_line_show_status_if_no_away = pData->second_line_show_status_if_no_away;
	pShortData->second_line_show_listening_if_no_away = pData->second_line_show_listening_if_no_away;
	pShortData->second_line_use_name_and_message_for_xstatus = pData->second_line_use_name_and_message_for_xstatus;

	pShortData->third_line_show = pData->third_line_show;
	pShortData->third_line_draw_smileys = pData->third_line_draw_smileys;
	pShortData->third_line_type = pData->third_line_type;

	_tcsncpy(pShortData->third_line_text, pData->third_line_text, TEXT_TEXT_MAX_LENGTH);

	pShortData->third_line_xstatus_has_priority = pData->third_line_xstatus_has_priority;
	pShortData->third_line_show_status_if_no_away = pData->third_line_show_status_if_no_away;
	pShortData->third_line_show_listening_if_no_away = pData->third_line_show_listening_if_no_away;
	pShortData->third_line_use_name_and_message_for_xstatus = pData->third_line_use_name_and_message_for_xstatus;
	return 0;
}

int ClcEnterDragToScroll(HWND hwnd, int Y)
{
	if (IsDragToScrollMode)
		return 0;

	ClcData *dat = (ClcData*)GetWindowLongPtr(hwnd, 0);
	if (!dat)
		return 0;

	StartDragPos = Y;
	StartScrollPos = dat->yScroll;
	IsDragToScrollMode = 1;
	SetCapture(hwnd);
	return 1;
}


/*
*	Contact list control window procedure
*/
LRESULT CALLBACK cli_ContactListControlWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{

#define CASE_MSG_RET(msg, handler) case msg: return handler(dat, hwnd, msg, wParam, lParam);

	ClcData *dat = (ClcData*)GetWindowLongPtr(hwnd, 0);

	if (msg >= CLM_FIRST && msg < CLM_LAST)
		return cli_ProcessExternalMessages(hwnd, dat, msg, wParam, lParam);

	switch (msg) {
		CASE_MSG_RET(INTM_GROUPCHANGED, clcOnIntmGroupChanged);
		CASE_MSG_RET(INTM_ICONCHANGED, clcOnIntmIconChanged);
		CASE_MSG_RET(INTM_AVATARCHANGED, clcOnIntmAvatarChanged);
		CASE_MSG_RET(INTM_TIMEZONECHANGED, clcOnIntmTimeZoneChanged);
		CASE_MSG_RET(INTM_NAMECHANGED, clcOnIntmNameChanged);
		CASE_MSG_RET(INTM_APPARENTMODECHANGED, clcOnIntmApparentModeChanged);
		CASE_MSG_RET(INTM_STATUSMSGCHANGED, clcOnIntmStatusMsgChanged);
		CASE_MSG_RET(INTM_NOTONLISTCHANGED, clcOnIntmNotOnListChanged);
		CASE_MSG_RET(INTM_SCROLLBARCHANGED, clcOnIntmScrollBarChanged);
		CASE_MSG_RET(INTM_STATUSCHANGED, clcOnIntmStatusChanged);
		CASE_MSG_RET(INTM_RELOADOPTIONS, clcOnIntmReloadOptions);

		CASE_MSG_RET(WM_CREATE, clcOnCreate);
		CASE_MSG_RET(WM_NCHITTEST, clcOnHitTest);
		CASE_MSG_RET(WM_COMMAND, clcOnCommand);
		CASE_MSG_RET(WM_SIZE, clcOnSize);
		CASE_MSG_RET(WM_CHAR, clcOnChar);
		CASE_MSG_RET(WM_PAINT, clcOnPaint);
		CASE_MSG_RET(WM_ERASEBKGND, clcOnEraseBkGround);
		CASE_MSG_RET(WM_KEYDOWN, clcOnKeyDown);
		CASE_MSG_RET(WM_TIMER, clcOnTimer);
		CASE_MSG_RET(WM_ACTIVATE, clcOnActivate);
		CASE_MSG_RET(WM_SETCURSOR, clcOnSetCursor);
		CASE_MSG_RET(WM_LBUTTONDOWN, clcOnLButtonDown);
		CASE_MSG_RET(WM_CAPTURECHANGED, clcOnCaptureChanged);
		CASE_MSG_RET(WM_MOUSEMOVE, clcOnMouseMove);
		CASE_MSG_RET(WM_LBUTTONUP, clcOnLButtonUp);
		CASE_MSG_RET(WM_LBUTTONDBLCLK, clcOnLButtonDblClick);
		CASE_MSG_RET(WM_DESTROY, clcOnDestroy);

	default:
		return corecli.pfnContactListControlWndProc(hwnd, msg, wParam, lParam);
	}
	return TRUE;
}