//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / http://www.emule-project.net )
//
//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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "stdafx.h"
#include "emule.h"
#include "ChatWnd.h"
#include "HTRichEditCtrl.h"
#include "FriendList.h"
#include "emuledlg.h"
#include "UpDownClient.h"
#include "OtherFunctions.h"
#include "HelpIDs.h"
#include "Opcodes.h"
#include "friend.h"
#include "ClientCredits.h"
#include "IconStatic.h"
#include "UserMsgs.h"
#include "SmileySelector.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


#define	SPLITTER_HORZ_MARGIN	0
#define	SPLITTER_HORZ_WIDTH		4
#define	SPLITTER_HORZ_RANGE_MIN	170
#define	SPLITTER_HORZ_RANGE_MAX	400


// CChatWnd dialog

IMPLEMENT_DYNAMIC(CChatWnd, CDialog)

BEGIN_MESSAGE_MAP(CChatWnd, CResizableDialog)
	ON_WM_KEYDOWN()
	ON_WM_SHOWWINDOW()
	ON_MESSAGE(UM_CLOSETAB, OnCloseTab)
	ON_WM_SYSCOLORCHANGE()
	ON_WM_CTLCOLOR()
    ON_WM_CONTEXTMENU()
	ON_WM_HELPINFO()
	ON_NOTIFY(LVN_ITEMACTIVATE, IDC_FRIENDS_LIST, OnLvnItemActivateFriendList)
	ON_NOTIFY(NM_CLICK, IDC_FRIENDS_LIST, OnNmClickFriendList)
	ON_STN_DBLCLK(IDC_FRIENDSICON, OnStnDblClickFriendIcon)
	ON_BN_CLICKED(IDC_CSEND, OnBnClickedSend)
	ON_BN_CLICKED(IDC_CCLOSE, OnBnClickedClose)
END_MESSAGE_MAP()

CChatWnd::CChatWnd(CWnd* pParent /*=NULL*/)
	: CResizableDialog(CChatWnd::IDD, pParent)
{
	icon_friend = NULL;
	icon_msg = NULL;
	m_pwndSmileySel = NULL;
}

CChatWnd::~CChatWnd()
{
	if (m_pwndSmileySel != NULL){
		m_pwndSmileySel->DestroyWindow();
		delete m_pwndSmileySel;
	}
	if (icon_friend)
		VERIFY( DestroyIcon(icon_friend) );
	if (icon_msg)
		VERIFY( DestroyIcon(icon_msg) );
}

void CChatWnd::DoDataExchange(CDataExchange* pDX)
{
	CResizableDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_CHATSEL, chatselector);
	DDX_Control(pDX, IDC_FRIENDS_LIST, m_FriendListCtrl);
	DDX_Control(pDX, IDC_FRIENDS_MSG, m_cUserInfo);
	DDX_Control(pDX, IDC_TEXT_FORMAT, m_wndFormat);
	DDX_Control(pDX, IDC_CMESSAGE, m_wndMessage);
	DDX_Control(pDX, IDC_CSEND, m_wndSend);
	DDX_Control(pDX, IDC_CCLOSE, m_wndClose);
}

void CChatWnd::OnLvnItemActivateFriendList(NMHDR* /*pNMHDR*/, LRESULT* /*pResult*/)
{
	UpdateSelectedFriendMsgDetails();
}

void CChatWnd::UpdateSelectedFriendMsgDetails()
{
	int iSel = m_FriendListCtrl.GetSelectionMark();
	if (iSel != -1) {
		CFriend* pFriend = (CFriend*)m_FriendListCtrl.GetItemData(iSel);
		ShowFriendMsgDetails(pFriend);
	}
	else
		ShowFriendMsgDetails(NULL);
}

void CChatWnd::ShowFriendMsgDetails(CFriend* pFriend)
{
	if (pFriend)
	{
		CString buffer;

		// Name
		if (pFriend->GetLinkedClient())
			GetDlgItem(IDC_FRIENDS_NAME_EDIT)->SetWindowText(pFriend->GetLinkedClient()->GetUserName());
		else if (pFriend->m_strName != _T(""))
			GetDlgItem(IDC_FRIENDS_NAME_EDIT)->SetWindowText(pFriend->m_strName);
		else
			GetDlgItem(IDC_FRIENDS_NAME_EDIT)->SetWindowText(_T("?"));

		// Hash
		if (pFriend->GetLinkedClient())
			GetDlgItem(IDC_FRIENDS_USERHASH_EDIT)->SetWindowText(md4str(pFriend->GetLinkedClient()->GetUserHash()));
		else if (pFriend->HasUserhash())
			GetDlgItem(IDC_FRIENDS_USERHASH_EDIT)->SetWindowText(md4str(pFriend->m_abyUserhash));
		else
			GetDlgItem(IDC_FRIENDS_USERHASH_EDIT)->SetWindowText(_T("?"));

		// Client
		if (pFriend->GetLinkedClient())
			GetDlgItem(IDC_FRIENDS_CLIENTE_EDIT)->SetWindowText(pFriend->GetLinkedClient()->GetClientSoftVer());
		else
			GetDlgItem(IDC_FRIENDS_CLIENTE_EDIT)->SetWindowText(_T("?"));

		// Identification
		if (pFriend->GetLinkedClient() && pFriend->GetLinkedClient()->Credits())
		{
			if (theApp.clientcredits->CryptoAvailable())
			{
				switch (pFriend->GetLinkedClient()->Credits()->GetCurrentIdentState(pFriend->GetLinkedClient()->GetIP()))
				{
					case IS_NOTAVAILABLE:
						GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT)->SetWindowText(GetResString(IDS_IDENTNOSUPPORT));
						break;
					case IS_IDFAILED:
					case IS_IDNEEDED:
					case IS_IDBADGUY:
						GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT)->SetWindowText(GetResString(IDS_IDENTFAILED));
						break;
					case IS_IDENTIFIED:
						GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT)->SetWindowText(GetResString(IDS_IDENTOK));
						break;
				}
			}
			else
				GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT)->SetWindowText(GetResString(IDS_IDENTNOSUPPORT));
		}
		else
			GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT)->SetWindowText(_T("?"));

		// Upload and downloaded
		if (pFriend->GetLinkedClient() && pFriend->GetLinkedClient()->Credits())
			GetDlgItem(IDC_FRIENDS_DESCARGADO_EDIT)->SetWindowText(CastItoXBytes(pFriend->GetLinkedClient()->Credits()->GetDownloadedTotal(), false, false));
		else
			GetDlgItem(IDC_FRIENDS_DESCARGADO_EDIT)->SetWindowText(_T("?"));

		if (pFriend->GetLinkedClient() && pFriend->GetLinkedClient()->Credits())
			GetDlgItem(IDC_FRIENDS_SUBIDO_EDIT)->SetWindowText(CastItoXBytes(pFriend->GetLinkedClient()->Credits()->GetUploadedTotal(), false, false));
		else
			GetDlgItem(IDC_FRIENDS_SUBIDO_EDIT)->SetWindowText(_T("?"));
	}
	else
	{
		GetDlgItem(IDC_FRIENDS_NAME_EDIT)->SetWindowText(_T("-"));
		GetDlgItem(IDC_FRIENDS_USERHASH_EDIT)->SetWindowText(_T("-"));
		GetDlgItem(IDC_FRIENDS_CLIENTE_EDIT)->SetWindowText(_T("-"));
		GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT)->SetWindowText(_T("-"));
		GetDlgItem(IDC_FRIENDS_DESCARGADO_EDIT)->SetWindowText(_T("-"));
		GetDlgItem(IDC_FRIENDS_SUBIDO_EDIT)->SetWindowText(_T("-"));
	}
}

BOOL CChatWnd::OnInitDialog()
{
	CResizableDialog::OnInitDialog();
	InitWindowStyles(this);
	SetAllIcons();

	m_wndMessage.SetLimitText(MAX_CLIENT_MSG_LEN);
	if (theApp.m_fontChatEdit.m_hObject)
	{
		m_wndMessage.SendMessage(WM_SETFONT, (WPARAM)theApp.m_fontChatEdit.m_hObject, FALSE);
		CRect rcEdit;
		m_wndMessage.GetWindowRect(&rcEdit);
		ScreenToClient(&rcEdit);
		rcEdit.top -= 2;
		rcEdit.bottom += 2;
		m_wndMessage.MoveWindow(&rcEdit, FALSE);
	}

	chatselector.Init(this);
	m_FriendListCtrl.Init();

	CRect rcSpl;
	m_FriendListCtrl.GetWindowRect(rcSpl);
	ScreenToClient(rcSpl);
	rcSpl.left = rcSpl.right + SPLITTER_HORZ_MARGIN;
	rcSpl.right = rcSpl.left + SPLITTER_HORZ_WIDTH;
	m_wndSplitterHorz.Create(WS_CHILD | WS_VISIBLE, rcSpl, this, IDC_SPLITTER_FRIEND);

	// Vista: Remove the TBSTYLE_TRANSPARENT to avoid flickering (can be done only after the toolbar was initially created with TBSTYLE_TRANSPARENT !?)
	m_wndFormat.ModifyStyle((theApp.m_ullComCtrlVer >= MAKEDLLVERULL(6, 16, 0, 0)) ? TBSTYLE_TRANSPARENT : 0, TBSTYLE_TOOLTIPS);
	m_wndFormat.SetExtendedStyle(m_wndFormat.GetExtendedStyle() | TBSTYLE_EX_MIXEDBUTTONS);
	TBBUTTON atb[1] = {0};
	atb[0].iBitmap = 0;
	atb[0].idCommand = IDC_SMILEY;
	atb[0].fsState = TBSTATE_ENABLED;
	atb[0].fsStyle = BTNS_BUTTON | BTNS_AUTOSIZE;
	atb[0].iString = -1;
	m_wndFormat.AddButtons(_countof(atb), atb);

	CSize size;
	m_wndFormat.GetMaxSize(&size);
	if (size.cx < 24) // avoid glitch with COMCTL32 v5.81 and Win2000
		size.cx = 24;
	if (size.cy < 22) // avoid glitch with COMCTL32 v5.81 and Win2000
		size.cy = 22;
	::SetWindowPos(m_wndFormat, NULL, 0, 0, size.cx, size.cy, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);

	AddAnchor(IDC_FRIENDSICON, TOP_LEFT);
	AddAnchor(IDC_FRIENDS_LBL, TOP_LEFT);
	AddAnchor(IDC_FRIENDS_NAME, BOTTOM_LEFT);
	AddAnchor(IDC_FRIENDS_USERHASH, BOTTOM_LEFT);
	AddAnchor(IDC_FRIENDS_CLIENT, BOTTOM_LEFT);
	AddAnchor(IDC_FRIENDS_IDENT, BOTTOM_LEFT);
	AddAnchor(IDC_FRIENDS_UPLOADED, BOTTOM_LEFT);
	AddAnchor(IDC_FRIENDS_DOWNLOADED, BOTTOM_LEFT);
	AddAnchor(m_wndSplitterHorz, TOP_LEFT, BOTTOM_LEFT);
	AddAnchor(m_wndFormat, BOTTOM_LEFT);
	AddAnchor(m_wndMessage, BOTTOM_LEFT, BOTTOM_RIGHT);
	AddAnchor(m_wndSend, BOTTOM_RIGHT);
	AddAnchor(m_wndClose, BOTTOM_RIGHT);

	int iPosStatInit = rcSpl.left;
	int iPosStatNew = thePrefs.GetSplitterbarPositionFriend();
	if (iPosStatNew > SPLITTER_HORZ_RANGE_MAX)
		iPosStatNew = SPLITTER_HORZ_RANGE_MAX;
	else if (iPosStatNew < SPLITTER_HORZ_RANGE_MIN)
		iPosStatNew = SPLITTER_HORZ_RANGE_MIN;
	rcSpl.left = iPosStatNew;
	rcSpl.right = iPosStatNew + SPLITTER_HORZ_WIDTH;
	if (iPosStatNew != iPosStatInit)
	{
		m_wndSplitterHorz.MoveWindow(rcSpl);
		DoResize(iPosStatNew - iPosStatInit);
	}

	Localize();
	theApp.friendlist->ShowFriends();

	return TRUE;
}

void CChatWnd::DoResize(int iDelta)
{
	CSplitterControl::ChangeWidth(&m_FriendListCtrl, iDelta);
	m_FriendListCtrl.SetColumnWidth(0, LVSCW_AUTOSIZE_USEHEADER);
	CSplitterControl::ChangeWidth(&m_cUserInfo, iDelta);
	CSplitterControl::ChangeWidth(GetDlgItem(IDC_FRIENDS_NAME_EDIT), iDelta);
	CSplitterControl::ChangeWidth(GetDlgItem(IDC_FRIENDS_USERHASH_EDIT), iDelta);
	CSplitterControl::ChangeWidth(GetDlgItem(IDC_FRIENDS_CLIENTE_EDIT), iDelta);
	CSplitterControl::ChangeWidth(GetDlgItem(IDC_FRIENDS_IDENTIFICACION_EDIT), iDelta);
	CSplitterControl::ChangeWidth(GetDlgItem(IDC_FRIENDS_SUBIDO_EDIT), iDelta);
	CSplitterControl::ChangeWidth(GetDlgItem(IDC_FRIENDS_DESCARGADO_EDIT), iDelta);
	CSplitterControl::ChangeWidth(&chatselector, -iDelta, CW_RIGHTALIGN);
	CSplitterControl::ChangePos(GetDlgItem(IDC_MESSAGES_LBL), -iDelta, 0);
	CSplitterControl::ChangePos(GetDlgItem(IDC_MESSAGEICON), -iDelta, 0);
	CSplitterControl::ChangePos(&m_wndFormat, -iDelta, 0);
	CSplitterControl::ChangePos(&m_wndMessage, -iDelta, 0);
	CSplitterControl::ChangeWidth(&m_wndMessage, -iDelta);

	CRect rcSpl;
	m_wndSplitterHorz.GetWindowRect(rcSpl);
	ScreenToClient(rcSpl);
	thePrefs.SetSplitterbarPositionFriend(rcSpl.left);

	RemoveAnchor(m_FriendListCtrl);
	AddAnchor(m_FriendListCtrl, TOP_LEFT, BOTTOM_LEFT);
	RemoveAnchor(m_cUserInfo);
	AddAnchor(m_cUserInfo, BOTTOM_LEFT, BOTTOM_LEFT);
	RemoveAnchor(chatselector);
	AddAnchor(chatselector, TOP_LEFT, BOTTOM_RIGHT);
	RemoveAnchor(IDC_MESSAGES_LBL);
	AddAnchor(IDC_MESSAGES_LBL, TOP_LEFT);
	RemoveAnchor(IDC_MESSAGEICON);
	AddAnchor(IDC_MESSAGEICON, TOP_LEFT);
	RemoveAnchor(IDC_FRIENDS_NAME_EDIT);
	AddAnchor(IDC_FRIENDS_NAME_EDIT, BOTTOM_LEFT);
	RemoveAnchor(IDC_FRIENDS_USERHASH_EDIT);
	AddAnchor(IDC_FRIENDS_USERHASH_EDIT, BOTTOM_LEFT);
	RemoveAnchor(IDC_FRIENDS_CLIENTE_EDIT);
	AddAnchor(IDC_FRIENDS_CLIENTE_EDIT, BOTTOM_LEFT);
	RemoveAnchor(IDC_FRIENDS_IDENTIFICACION_EDIT);
	AddAnchor(IDC_FRIENDS_IDENTIFICACION_EDIT, BOTTOM_LEFT);
	RemoveAnchor(IDC_FRIENDS_SUBIDO_EDIT);
	AddAnchor(IDC_FRIENDS_SUBIDO_EDIT, BOTTOM_LEFT);
	RemoveAnchor(IDC_FRIENDS_DESCARGADO_EDIT);
	AddAnchor(IDC_FRIENDS_DESCARGADO_EDIT, BOTTOM_LEFT);
	RemoveAnchor(m_wndSplitterHorz);
	AddAnchor(m_wndSplitterHorz, TOP_LEFT, BOTTOM_LEFT);
	RemoveAnchor(m_wndFormat);
	AddAnchor(m_wndFormat, BOTTOM_LEFT);
	RemoveAnchor(m_wndMessage);
	AddAnchor(m_wndMessage, BOTTOM_LEFT, BOTTOM_RIGHT);
	RemoveAnchor(m_wndSend);
	AddAnchor(m_wndSend, BOTTOM_RIGHT);
	RemoveAnchor(m_wndClose);
	AddAnchor(m_wndClose, BOTTOM_RIGHT);

	CRect rcWnd;
	GetWindowRect(rcWnd);
	ScreenToClient(rcWnd);
	m_wndSplitterHorz.SetRange(rcWnd.left + SPLITTER_HORZ_RANGE_MIN + SPLITTER_HORZ_WIDTH/2, 
							   rcWnd.left + SPLITTER_HORZ_RANGE_MAX - SPLITTER_HORZ_WIDTH/2);

	Invalidate();
	UpdateWindow();
}

LRESULT CChatWnd::DefWindowProc(UINT uMessage, WPARAM wParam, LPARAM lParam) 
{
	switch (uMessage)
	{
		case WM_PAINT:
			if (m_wndSplitterHorz)
			{
				CRect rcWnd;
				GetWindowRect(rcWnd);
				if (rcWnd.Width() > 0)
				{
					CRect rcSpl;
					m_FriendListCtrl.GetWindowRect(rcSpl);
					ScreenToClient(rcSpl);
					rcSpl.left = rcSpl.right + SPLITTER_HORZ_MARGIN;
					rcSpl.right = rcSpl.left + SPLITTER_HORZ_WIDTH;
					ScreenToClient(rcWnd);
					rcSpl.bottom = rcWnd.bottom - 6;
					m_wndSplitterHorz.MoveWindow(rcSpl, TRUE);
				}
			}
			break;

		case WM_NOTIFY:
			if (wParam == IDC_SPLITTER_FRIEND)
			{ 
				SPC_NMHDR* pHdr = (SPC_NMHDR*)lParam;
				DoResize(pHdr->delta);
			}
			break;

		case WM_SIZE:
			if (m_wndSplitterHorz)
			{
				CRect rcWnd;
				GetWindowRect(rcWnd);
				ScreenToClient(rcWnd);
				m_wndSplitterHorz.SetRange(rcWnd.left + SPLITTER_HORZ_RANGE_MIN + SPLITTER_HORZ_WIDTH/2, 
										   rcWnd.left + SPLITTER_HORZ_RANGE_MAX - SPLITTER_HORZ_WIDTH/2);
			}
			break;
	}
	return CResizableDialog::DefWindowProc(uMessage, wParam, lParam);
}

void CChatWnd::StartSession(CUpDownClient* client)
{
#ifndef CLIENTANALYZER
	//why wouldn't we chat with clients without nicknames!? we might just connect to them!
	if (!client->GetUserName())
		return;
#endif
	theApp.emuledlg->SetActiveDialog(this);
	chatselector.StartSession(client, true);
}

void CChatWnd::OnShowWindow(BOOL bShow, UINT /*nStatus*/)
{
	if (bShow)
		chatselector.ShowChat();
}

BOOL CChatWnd::PreTranslateMessage(MSG* pMsg) 
{
	if (pMsg->message == WM_KEYDOWN)
	{
		// Don't handle Ctrl+Tab in this window. It will be handled by main window.
		if (pMsg->wParam == VK_TAB && GetAsyncKeyState(VK_CONTROL) < 0)
			return FALSE;

		if (pMsg->wParam == VK_RETURN){
			if (pMsg->hwnd == m_wndMessage)
				OnBnClickedSend();
		}

		if (pMsg->hwnd == m_wndMessage && (pMsg->wParam == VK_UP || pMsg->wParam == VK_DOWN)){
			ScrollHistory(pMsg->wParam == VK_DOWN);
			return TRUE;
		}
	}
	else if (pMsg->message == WM_KEYUP)
	{
		if (pMsg->hwnd == m_FriendListCtrl.m_hWnd)
			OnLvnItemActivateFriendList(0, 0);
	}

	return CResizableDialog::PreTranslateMessage(pMsg);
}

void CChatWnd::OnNmClickFriendList(NMHDR *pNMHDR, LRESULT *pResult)
{
	OnLvnItemActivateFriendList(pNMHDR, pResult);
	*pResult = 0;
}

void CChatWnd::SetAllIcons()
{
	if (icon_friend)
		VERIFY( DestroyIcon(icon_friend) );
	if (icon_msg)
		VERIFY( DestroyIcon(icon_msg) );
	icon_friend = theApp.LoadIcon(_T("Friend"), 16, 16);
	icon_msg = theApp.LoadIcon(_T("Message"), 16, 16);
	((CStatic*)GetDlgItem(IDC_MESSAGEICON))->SetIcon(icon_msg);
	((CStatic*)GetDlgItem(IDC_FRIENDSICON))->SetIcon(icon_friend);
	m_cUserInfo.SetIcon(_T("Info"));

	CImageList iml;
	iml.Create(16, 16, theApp.m_iDfltImageListColorFlags | ILC_MASK, 0, 1);
	iml.Add(CTempIconLoader(_T("Smiley_Smile")));
	CImageList *pimlOld = m_wndFormat.SetImageList(&iml);
	iml.Detach();
	if (pimlOld)
		pimlOld->DeleteImageList();
}

void CChatWnd::Localize()
{
	GetDlgItem(IDC_FRIENDS_LBL)->SetWindowText(GetResString(IDS_CW_FRIENDS));
	GetDlgItem(IDC_MESSAGES_LBL)->SetWindowText(GetResString(IDS_CW_MESSAGES));
	m_cUserInfo.SetWindowText(GetResString(IDS_INFO));
	GetDlgItem(IDC_FRIENDS_DOWNLOADED)->SetWindowText(GetResString(IDS_CHAT_DOWNLOADED));
	GetDlgItem(IDC_FRIENDS_UPLOADED)->SetWindowText(GetResString(IDS_CHAT_UPLOADED));
	GetDlgItem(IDC_FRIENDS_IDENT)->SetWindowText(GetResString(IDS_CHAT_IDENT));
	GetDlgItem(IDC_FRIENDS_CLIENT)->SetWindowText(GetResString(IDS_CD_CSOFT));
	GetDlgItem(IDC_FRIENDS_NAME)->SetWindowText(GetResString(IDS_CD_UNAME));
	GetDlgItem(IDC_FRIENDS_USERHASH)->SetWindowText(GetResString(IDS_CD_UHASH));
	m_wndSend.SetWindowText(GetResString(IDS_CW_SEND));
	m_wndClose.SetWindowText(GetResString(IDS_CW_CLOSE));
	m_wndFormat.SetBtnText(IDC_SMILEY, _T("Smileys"));
	m_FriendListCtrl.Localize();
}

LRESULT CChatWnd::OnCloseTab(WPARAM wParam, LPARAM /*lParam*/)
{
	TCITEM item = {0};
	item.mask = TCIF_PARAM;
	if (chatselector.GetItem((int)wParam, &item))
		chatselector.EndSession(((CChatItem*)item.lParam)->client);
	return TRUE;
}

void CChatWnd::ScrollHistory(bool down)
{
	CChatItem* ci = chatselector.GetCurrentChatItem();
	if (ci == NULL)
		return;

	if ((ci->history_pos == 0 && !down) || (ci->history_pos == ci->history.GetCount() && down))
		return;
	if (down)
		++ci->history_pos;
	else
		--ci->history_pos;

	CString strBuffer = (ci->history_pos == ci->history.GetCount()) ? _T("") : ci->history.GetAt(ci->history_pos);
	m_wndMessage.SetWindowText(strBuffer);
	m_wndMessage.SetSel(strBuffer.GetLength(), strBuffer.GetLength());
}

void CChatWnd::OnSysColorChange()
{
	CResizableDialog::OnSysColorChange();
	SetAllIcons();
}

void CChatWnd::UpdateFriendlistCount(UINT count)
{
	CString strTemp;
	strTemp.Format(_T(" (%i)"), count);
	GetDlgItem(IDC_FRIENDS_LBL)->SetWindowText(GetResString(IDS_CW_FRIENDS) + strTemp);
}

BOOL CChatWnd::OnHelpInfo(HELPINFO* /*pHelpInfo*/)
{
	theApp.ShowHelp(eMule_FAQ_GUI_Messages);
	return TRUE;
}

void CChatWnd::OnStnDblClickFriendIcon()
{
	theApp.emuledlg->ShowPreferences(IDD_PPG_MESSAGES);
}

BOOL CChatWnd::OnCommand(WPARAM wParam, LPARAM lParam)
{
	switch (wParam) {
		case IDC_SMILEY:
			OnBnClickedSmiley();
			break;
	}
	return CResizableDialog::OnCommand(wParam, lParam);
}

void CChatWnd::OnBnClickedSmiley()
{
	if (m_pwndSmileySel) {
		m_pwndSmileySel->DestroyWindow();
		delete m_pwndSmileySel;
		m_pwndSmileySel = NULL;
	}
	m_pwndSmileySel = new CSmileySelector;

	CRect rcBtn;
	m_wndFormat.GetWindowRect(&rcBtn);
	rcBtn.top -= 2;

	if (!m_pwndSmileySel->Create(this, &rcBtn, &m_wndMessage))
	{
		delete m_pwndSmileySel;
		m_pwndSmileySel = NULL;
	}
}

void CChatWnd::OnBnClickedClose()
{
	chatselector.EndSession();
}

void CChatWnd::OnBnClickedSend()
{
	CString strMessage;
	m_wndMessage.GetWindowText(strMessage);
	strMessage.Trim();
	if (!strMessage.IsEmpty())
	{
		if (chatselector.SendMessage(strMessage))
			m_wndMessage.SetWindowText(_T(""));
	}

	m_wndMessage.SetFocus();
}

HBRUSH CChatWnd::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
	HBRUSH hbr = theApp.emuledlg->GetCtlColor(pDC, pWnd, nCtlColor);
	if (hbr)
		return hbr;
	return __super::OnCtlColor(pDC, pWnd, nCtlColor);
}
