textchat.cpp

teamviewer source code vc++

	// We keep it because we could use it
	// for future retype functionality. (F3)
	memcpy(m_szLastLocalText, m_szLocalText, strlen(m_szLocalText));

	PrintMessage(m_szLocalText, m_szLocalName, BLUE);

    rfbTextChatMsg tcm;
    tcm.type = rfbTextChat;
	tcm.length = Swap32IfLE(strlen(m_szLocalText));
    m_pCC->m_socket->SendExact((char *)&tcm, sz_rfbTextChatMsg, rfbTextChat);
	m_pCC->m_socket->SendExact((char *)m_szLocalText, strlen(m_szLocalText));

	//and we clear the input box
	SetDlgItemText(m_hDlg, IDC_INPUTAREA_EDIT, "");
	return;
}



LRESULT CALLBACK TextChat::DoDialogThread(LPVOID lpParameter)
{
	TextChat* _this = (TextChat*)lpParameter;

	_this->m_fTextChatRunning = true;
	LRESULT res = DialogBoxParam(hAppInstance, MAKEINTRESOURCE(IDD_TEXTCHAT_DLG), 
							NULL, (DLGPROC) TextChatDlgProc, (LONG) _this);
	_this->m_Thread = NULL;
	return res;
}

HWND TextChat::DisplayTextChat()
{
	DWORD threadID;
	m_Thread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)(TextChat::DoDialogThread),(LPVOID)this, 0, &threadID);
	ResumeThread(m_Thread);
	return (HWND)0;
}

//
//
//
void TextChat::KillDialog()
{
	// DestroyWindow(m_hDlg);
	m_fTextChatRunning = false;
	PostMessage(m_hDlg, WM_COMMAND, IDCANCEL, 0);
}


//
//
//
void TextChat::RefuseTextChat()
{
	SendTextChatRequest(CHAT_CLOSE); 
	SendTextChatRequest(CHAT_FINISHED);
}


ChatAreaType TextChat::InstallChatArea(HWND hWnd)
{


//IDC_CHATAREA_EDIT_PLACEHOLDER
	HWND placeholderRectWnd = GetDlgItem(hWnd,IDC_CHATAREA_EDIT_PLACEHOLDER);//IDC_CHATAREA_EDIT_PLACEHOLDER);
	DWORD style =  WS_CHILD |WS_VISIBLE | WS_BORDER 
				/*| TCS_HOTTRACK | TCS_RAGGEDRIGHT | TCS_MULTISELECT */
					|  WS_VSCROLL | WS_TABSTOP
				   | ES_LEFT /*| ES_SAVESEL */| ES_MULTILINE | ES_AUTOVSCROLL | ES_NOHIDESEL
				   | ES_READONLY | ES_WANTRETURN ;
	DWORD exStyle = WS_EX_STATICEDGE;

	
	RECT rect;
	GetWindowRect(placeholderRectWnd, &rect);
	POINT p;
	p.x = rect.left;
	p.y = rect.top;
	ScreenToClient(hWnd,&p);

	GetClientRect(placeholderRectWnd, &rect);
	rect.left = p.x;
	rect.top = p.y;

	ChatAreaType result = cat_none;
	
	result = cat_none;
    HWND hwndRich = NULL;

	if (hwndRich == NULL)
	{
		int err = GetLastError();
		hwndRich = CreateWindowExA(exStyle, RICHEDIT_CLASSA, "", style, 
			rect.left, rect.top, rect.right, rect.bottom, 
			hWnd, (HMENU)IDC_CHATAREA_EDIT, (HINSTANCE)
            GetWindowLong(hWnd, GWL_HINSTANCE), NULL);
		
		result = cat_rich2;
	}

	result = cat_edit;
	if (hwndRich == NULL)
	{
		int err = GetLastError();
		hwndRich = CreateWindowExA(exStyle, "EDIT", "", style , rect.left,
            rect.top, rect.right - rect.left, rect.bottom - 
            rect.top, hWnd, (HMENU)IDC_CHATAREA_EDIT, (HINSTANCE)
            GetWindowLong(hWnd, GWL_HINSTANCE), NULL);
		
	}
	if (hwndRich == NULL)
	{
		int err = GetLastError();
		return cat_none;
	}


	ShowWindow(hwndRich,SW_SHOW);


	return result;
}

//
//
//
BOOL CALLBACK TextChat::TextChatDlgProc(  HWND hWnd,  UINT uMsg,  WPARAM wParam, LPARAM lParam ) {

	TextChat *_this = (TextChat *) GetWindowLong(hWnd, GWL_USERDATA);

	switch (uMsg)
	{
	case WM_INITDIALOG:
		{
            SetWindowLong(hWnd, GWL_USERDATA, lParam);
            TextChat *_this = (TextChat *) lParam;

			if (_this->m_szLocalText == NULL || _this->m_szRemoteText == NULL)
			{
				EndDialog(hWnd, FALSE);
				return TRUE;
			}

			_this->m_hWnd = hWnd;
			_this->m_hDlg = hWnd;

			string rname = _this->m_pCC->m_thread->m_tvinfo->getPartnerInfo(tvIdentity);
			if(rname == "")
			{
				rname = _this->m_pCC->m_thread->m_tvinfo->getPartnerInfo(tvID);
				if(rname == "")
					rname = _this->m_pCC->GetClientName();
			}
			if (_snprintf(_this->m_szRemoteName,MAXNAMESIZE-1,"%s", rname.c_str()) < 0 )
			{
				_this->m_szRemoteName[MAXNAMESIZE-4]='.';
				_this->m_szRemoteName[MAXNAMESIZE-3]='.';
				_this->m_szRemoteName[MAXNAMESIZE-2]='.';
				_this->m_szRemoteName[MAXNAMESIZE-1]=0x00;
			}

			
			_this->m_RichEditType = TextChat::InstallChatArea(hWnd);
			


			const long lTitleBufSize = 256;			
			char szTitle[lTitleBufSize];
			
			_snprintf(szTitle,lTitleBufSize-1, sz_ID_CHAT_WITH_S_ULTRAVNC,_this->m_pCC->GetRemoteIdentity().c_str());
			//_snprintf(szTitle,lTitleBufSize-1, sz_ID_CHAT_WITH_S_ULTRAVNC,_this->m_szRemoteName);
			SetWindowText(hWnd, szTitle);			

			memset(_this->m_szLocalText, 0, TEXTMAXSIZE);

			// Local message box	
			SetDlgItemText(hWnd, IDC_INPUTAREA_EDIT, _this->m_szLocalText); 
			
			//  Chat area			
			_this->SetTextFormat(); //  Set character formatting and background color
			SendDlgItemMessage( hWnd, IDC_CHATAREA_EDIT, EM_SETBKGNDCOLOR, FALSE, 0xFFFFFF ); 

			// if (!_this->m_fPersistentTexts)
			{
				memset(_this->m_szLastLocalText, 0, TEXTMAXSIZE); // Future retype functionnality
				memset(_this->m_szTextBoxBuffer, 0, TEXTMAXSIZE); // Clear Chat area 
			}
			// else
			//	SendDlgItemMessage(hWnd,IDC_CHATAREA_EDIT, WM_SETTEXT, 0, (LONG)_this->m_szTextBoxBuffer);
			
			// Scroll down the chat window
			// The following seems necessary under W9x & Me if we want the Edit to scroll to bottom...
			SCROLLINFO si;
			ZeroMemory(&si, sizeof(SCROLLINFO));
			si.cbSize = sizeof(SCROLLINFO);
			si.fMask = SIF_RANGE|SIF_PAGE;
			GetScrollInfo(GetDlgItem(hWnd, IDC_CHATAREA_EDIT), SB_VERT, &si);
			si.nPos = si.nMax - max(si.nPage - 1, 0);
			SendDlgItemMessage(hWnd, IDC_CHATAREA_EDIT, WM_VSCROLL, MAKELONG(SB_THUMBPOSITION, si.nPos), 0L);	
			// This line does the bottom scrolling correctly under NT4,W2K, XP...
			// SendDlgItemMessage(m_hDlg, IDC_CHATAREA_EDIT, WM_VSCROLL, SB_BOTTOM, 0L);

			// SendDlgItemMessage(hWnd, IDC_PERSISTENT_CHECK, BM_SETCHECK, _this->m_fPersistentTexts, 0);

			//if (strlen(_this->m_szUserID) > 0)
			//	SetDlgItemText(hWnd, IDC_USERID_EDIT, _this->m_szUserID);
			
			SetForegroundWindow(hWnd);
            return TRUE;
		}
		break;

	case WM_COMMAND:
		switch (LOWORD(wParam))
		{
		/*
		case IDC_PERSISTENT_CHECK:
			  _this->m_fPersistentTexts = (SendDlgItemMessage(hWnd, IDC_PERSISTENT_CHECK, BM_GETCHECK, 0, 0) == BST_CHECKED);
			return TRUE;
		*/

		case IDOK:
			// Client order to close TextChat 			
			EndDialog(hWnd, FALSE);
			_this->m_fTextChatRunning = false;
			_this->SendTextChatRequest(CHAT_FINISHED);
			return TRUE;

		case IDCANCEL:			
			_this->SendTextChatRequest(CHAT_CLOSE); // Client must close TextChat
			EndDialog(hWnd, FALSE);
			_this->m_fTextChatRunning = false;
			_this->SendTextChatRequest(CHAT_FINISHED);
			return TRUE;

		case IDC_SEND_B:
			{
			memset(_this->m_szLocalText,0,TEXTMAXSIZE);
			// Staudenmeyer@2005
			UINT nRes = GetDlgItemText( hWnd, IDC_INPUTAREA_EDIT, _this->m_szLocalText, TEXTMAXSIZE-1);
			//UINT nRes = GetDlgItemText( hWnd, IDC_LOCALTEXT_EDIT, _this->m_szLocalText, TEXTMAXSIZE-1);
			strcat(_this->m_szLocalText, "\n");
			_this->SendLocalText();	
			SetFocus(GetDlgItem(hWnd, IDC_INPUTAREA_EDIT));
			}
			return TRUE;

		case IDC_INPUTAREA_EDIT:
			if(HIWORD(wParam) == EN_UPDATE)			
			{
				UINT nRes = GetDlgItemText( hWnd, IDC_INPUTAREA_EDIT, _this->m_szLocalText, TEXTMAXSIZE);
				if (strstr(_this->m_szLocalText, "\n") > 0 ) // Enter triggers the message transmission
				{
					// nRes = GetDlgItemText( hWnd, IDC_USERID_EDIT, _this->m_szUserID, 16);
					_this->SendLocalText();
				}								
			}
			return TRUE;

		case IDC_HIDE_B:
			_this->ShowChatWindow(false);
			return TRUE;

		default:
			return TRUE;
			break;
		}
		break;

	case WM_SYSCOMMAND:
		switch (LOWORD(wParam))
		{
		case SC_RESTORE:
			_this->ShowChatWindow(true);
			//SetFocus(GetDlgItem(hWnd, IDC_INPUTAREA_EDIT));
			return TRUE;
		}
		break;

	case WM_DESTROY:
		{
			HWND rich = GetDlgItem(hWnd,IDC_CHATAREA_EDIT);
			if (rich)
				DestroyWindow(rich);
			
			// _this->SendTextChatRequest(CHAT_FINISHED);
			_this->m_fTextChatRunning = false;
			
			EndDialog(hWnd, FALSE);		

		return TRUE;
		}


	case WM_ERASEBKGND:
		if (_this == NULL)
				return FALSE;
		return EraseBkgnd(_this->m_hDlg, wParam);
	case WM_CTLCOLORBTN:
		if (_this == NULL)
				return FALSE;
		return CtlColorBtn(wParam);
	case WM_CTLCOLORSTATIC:
		if (_this == NULL)
				return FALSE;
		return CtlColorStatic(_this->m_hDlg, wParam, lParam);
	}
	return 0;
}