textchatviewer.cpp

teamviewer source code vc++

		
		SetTextFormat(false, false, 0x75, "MS Sans Serif", dwColor != GREY ? BLACK : GREY);	
		

		_snprintf(m_szTextBoxBuffer, TEXTMAXSIZE-1, "%s", szMessage);			


		SendDlgItemMessage(m_hDlg, IDC_CHATAREA_EDIT, EM_REPLACESEL, FALSE, (LONG)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(m_hDlg, IDC_CHATAREA_EDIT), SB_VERT, &si);
	si.nPos = si.nMax - max(si.nPage - 1, 0);
	SendDlgItemMessage(m_hDlg, IDC_CHATAREA_EDIT, WM_VSCROLL, MAKELONG(SB_THUMBPOSITION, si.nPos), 0L);	// Scroll down the ch

	// This line does the bottom scrolling correctly under NT4,W2K, XP...
	// SendDlgItemMessage(m_hDlg, IDC_CHATAREA_EDIT, WM_VSCROLL, SB_BOTTOM, 0L);

}

//
// Send local text content
//
void TextChatViewer::SendLocalText(void)
{
	// 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->WriteExact((char *)&tcm, sz_rfbTextChatMsg, rfbTextChat);
	m_pCC->WriteExact((char *)m_szLocalText, strlen(m_szLocalText));

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


//
//
//
int TextChatViewer::DoDialog()
{
 	return DialogBoxParam(pApp->m_instance, DIALOG_MAKEINTRESOURCE(IDD_TEXTCHAT_DLG), 
							NULL, (DLGPROC) TextChatDlgProc, (LONG) this);
}


//
//
//
void TextChatViewer::KillDialog()
{
	 DestroyWindow(m_hDlg);
}

//
//
//
void TextChatViewer::ShowChatWindow(bool fVisible)
{
	ShowWindow(m_hDlg, fVisible ? SW_RESTORE : SW_MINIMIZE);
	SetForegroundWindow(m_hDlg);
	// Put the Chat Windows always on Top if fullscreen
	if (fVisible && m_pCC->InFullScreenMode())
	{
		RECT Rect;
		GetWindowRect(m_hDlg, &Rect);
		SetWindowPos(m_hDlg, 
					HWND_TOPMOST,
					Rect.left,
					Rect.top,
					Rect.right - Rect.left,
					Rect.bottom - Rect.top,
					SWP_SHOWWINDOW);
	}

	m_fVisible = fVisible; // This enables screen updates to be processed in ClientConnection
	// Refresh screen view if Chat window has been hidden
    if (!fVisible)
		m_pCC->SendAppropriateFramebufferUpdateRequest();
}

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

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

	switch (uMsg)
	{
	case WM_INITDIALOG:
		{
			SetWindowLong(hWnd, GWL_USERDATA, lParam);
            TextChatViewer *_this = (TextChatViewer *) lParam;
			if (_this->m_szLocalText == NULL || _this->m_szRemoteText == NULL)
				EndDialog(hWnd, FALSE);

			// Window always on top if Fullscreen On
			if (_this->m_pCC->InFullScreenMode())
			{
				RECT Rect;
				GetWindowRect(hWnd, &Rect);
				SetWindowPos(hWnd, 
							HWND_TOPMOST,
							Rect.left,
							Rect.top,
							Rect.right - Rect.left,
							Rect.bottom - Rect.top,
							SWP_SHOWWINDOW);
			}

            // CentreWindow(hWnd);
			_this->m_hDlg = hWnd;
			
			string rname = _this->m_pCC->m_tvinfo->getPartnerInfo(tvIdentity);
			if(rname == "")
			{
				rname = _this->m_pCC->m_tvinfo->getPartnerInfo(tvID);
				if(rname == "")
					rname = _this->m_pCC->m_desktopName;
			}
			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," Chat <%s> - TeamViewer",
					 _this->m_pCC->GetRemoteIdentity().c_str());
			SetWindowText(hWnd, szTitle);			

			// Trunc the remote name for display in Chat Area before the first parenthesis, if any.
			char *p = strchr(_this->m_szRemoteName, '('); 
			if (p != NULL) *(p - 1) = '\0';

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

			memset(_this->m_szLocalText, 0, TEXTMAXSIZE);
			// if (!_this->m_fPersistentTexts)
			{
				memset(_this->m_szLastLocalText, 0, TEXTMAXSIZE);
				memset(_this->m_szTextBoxBuffer, 0, TEXTMAXSIZE); // Clear Chat area 
			}

			SetDlgItemText(hWnd, IDC_INPUTAREA_EDIT, _this->m_szLocalText);
			SetDlgItemText(hWnd, IDC_CHATAREA_EDIT, _this->m_szTextBoxBuffer); // Chat area

			// 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);

			// Tell the other side to open the TextChat Window
			_this->SendTextChatRequest(CHAT_OPEN);

			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:
			// Server orders to close TextChat 			
			EndDialog(hWnd, FALSE);
			return TRUE;

		case IDCANCEL:			
			_this->SendTextChatRequest(CHAT_CLOSE); // Server must close TextChat
			EndDialog(hWnd, FALSE);
			return TRUE;

		case IDC_SEND_B:
			{
			memset(_this->m_szLocalText,0,TEXTMAXSIZE);
			UINT nRes = GetDlgItemText( hWnd, IDC_INPUTAREA_EDIT, _this->m_szLocalText, TEXTMAXSIZE-1);
			if (strlen(_this->m_szLocalText) == 0)
				return FALSE;

			strcat(_this->m_szLocalText, "\n");
			_this->SendLocalText();		
			SetFocus(GetDlgItem(hWnd, IDC_INPUTAREA_EDIT));
			}
			return TRUE;

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

		case IDC_INPUTAREA_EDIT:
			if(HIWORD(wParam) == EN_UPDATE)			
			{
				memset(_this->m_szLocalText,0,TEXTMAXSIZE);
				UINT nRes = GetDlgItemText( hWnd, IDC_INPUTAREA_EDIT, _this->m_szLocalText, TEXTMAXSIZE);
				char *s = strstr(_this->m_szLocalText,"\n");
				if (s >0 ) 
				{
					//s[0] = ' ';
					_this->SendLocalText();			
				}								
			}
			return TRUE;
		}
		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:
		// _this->SendTextChatRequest(_this, CHAT_FINISHED);
		if(_this->m_hDlg != NULL)
			EndDialog(_this->m_hDlg, FALSE);
		_this->m_hDlg = NULL;
		return TRUE;


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



	return 0;
}