void ttclient_OnUserDesktopInput(int nSrcUserID, DesktopInput desktopinput)
{
DesktopInput[] inputs = new DesktopInput[] { desktopinput }, trans_inputs = null;
//assumes desktop input is received in TTKEYCODE format
WindowsHelper.DesktopInputKeyTranslate(TTKeyTranslate.TTKEY_TTKEYCODE_TO_WINKEYCODE,
inputs, out trans_inputs);
WindowsHelper.DesktopInputExecute(trans_inputs);
//create new (or find existing) list of desktop inputs from user
Dictionary<uint, DesktopInput> pastinputs;
if (!desktopinputs.TryGetValue(nSrcUserID, out pastinputs))
{
pastinputs = new Dictionary<uint, DesktopInput>();
desktopinputs.Add(nSrcUserID, pastinputs);
}
//only store key-down events and remove previous key-down events if
//the keys have been released
foreach (DesktopInput input in trans_inputs)
{
if (input.uKeyState == DesktopKeyState.DESKTOPKEYSTATE_DOWN)
pastinputs.Add(input.uKeyCode, input);
else if (input.uKeyState == DesktopKeyState.DESKTOPKEYSTATE_UP)
pastinputs.Remove(input.uKeyCode);
}
//if no keys are held by user then remove the user
if (pastinputs.Count == 0)
desktopinputs.Remove(nSrcUserID);
}
//release keys which have been held down by user
void closeUserDesktopInput(int nUserID)
{
Dictionary<uint, DesktopInput> pastinputs;
if (!desktopinputs.TryGetValue(nUserID, out pastinputs))
return;
DesktopInput[] inputs = new DesktopInput[pastinputs.Count];
int i=0;
foreach (KeyValuePair<uint, DesktopInput> pair in pastinputs)
{
//invert key-down event so it's now a key up event
//(and all keys are release by the user)
DesktopInput input = pair.Value;
input.uKeyState = DesktopKeyState.DESKTOPKEYSTATE_UP;
inputs[i++] = input;
}
WindowsHelper.DesktopInputExecute(inputs);
}
/**
* @brief Translate platform key-code to and from TeamTalk's
* intermediate format.
*
* Section @ref keytranslate has a table which shows how the keys on a US
* 104-keyboard are translated to TeamTalk's intermediate format.
*
* Section @ref transdesktopinput explains how to transmit key-codes.
*
* @param nTranslate The key-code format to translate to and from.
* @param lpDesktopInputs An array of #BearWare.DesktopInput structs to translate.
* @param lpTranslatedDesktopInputs A pre-allocated array of #BearWare.DesktopInput
* struct to hold the translated desktop input.
* @return The number of translated #BearWare.DesktopInput stucts. If value
* is different from @c nDesktopInputCount then some @c uKeyCode
* values could not be translated and have been assigned the value
* #BearWare.DesktopInputConstants.DESKTOPINPUT_KEYCODE_IGNORE.
* @see TeamTalk.SendDesktopInput()
* @see WindowsHelper.Execute() */
public static int DesktopInputKeyTranslate(TTKeyTranslate nTranslate,
DesktopInput[] lpDesktopInputs,
out DesktopInput[] lpTranslatedDesktopInputs)
{
lpTranslatedDesktopInputs = new DesktopInput[lpDesktopInputs.Length];
return TTDLL.TT_DesktopInput_KeyTranslate(nTranslate, lpDesktopInputs,
lpTranslatedDesktopInputs,
lpDesktopInputs.Length);
}
/**
* @brief Execute desktop (mouse or keyboard) input.
*
* When executed either a key-press, key-release or mouse move
* will take place on the computer running the client
* instance. Remember to calculate the offsets for the mouse
* cursor prior to this call. The mouse position will be relative
* to the screen resolution.
*
* The content of the #BearWare.DesktopInput struct must been translated to
* the platform's key-code format prior to this
* call. I.e. uKeyCode must be a either a Windows scan-code, Mac
* OS X Carbon key-code or one of the mouse buttons:
* #BearWare.DesktopInputConstants.DESKTOPINPUT_KEYCODE_LMOUSEBTN,
* #BearWare.DesktopInputConstants.DESKTOPINPUT_KEYCODE_RMOUSEBTN,
* #BearWare.DesktopInputConstants.DESKTOPINPUT_KEYCODE_MMOUSEBTN.
*
* @param lpDesktopInputs The mouse or keyboard inputs.
* @return The number of mouse and keyboard events inserted.
* @see WindowsHelper.KeyTranslate() */
public static int DesktopInputExecute(DesktopInput[] lpDesktopInputs)
{
return TTDLL.TT_DesktopInput_Execute(lpDesktopInputs, lpDesktopInputs.Length);
}
/**
* @brief Send a mouse or keyboard event to a shared desktop window.
*
* If a user is sharing a desktop window it's possible for a
* remote user to take control of mouse and keyboard input on the
* remote computer. Read section @ref txdesktopinput on how to
* transmit desktop input to a shared window.
*
* When the remote user receives the issued #BearWare.DesktopInput the
* event #BearWare.TeamTalk.OnUserDesktopInput is posted to the client
* instance sharing the desktop window.
*
* User rights required:
* - ::USERRIGHT_TRANSMIT_DESKTOPINPUT
*
* @param nUserID The user's ID who owns the shared desktop window
* and should receive desktop input.
* @param lpDesktopInputs An array of #BearWare.DesktopInput structs which
* should be transmitted to the user. Internally in the client
* instance each user ID has an internal queue which can contain a
* maximum of 100 #BearWare.DesktopInput structs.
* @return FALSE If user doesn't exist or if desktop input queue is full or
* if @c nUserID doesn't subscribe to desktop input. */
public bool SendDesktopInput(int nUserID,
DesktopInput[] lpDesktopInputs)
{
return TTDLL.TT_SendDesktopInput(m_ttInst, nUserID, lpDesktopInputs, lpDesktopInputs.Length);
}
DesktopInput[] ToTTKey(DesktopInput input)
{
DesktopInput[] inputs = new DesktopInput[1];
inputs[0] = input;
DesktopInput[] translated;
WindowsHelper.DesktopInputKeyTranslate(TTKeyTranslate.TTKEY_WINKEYCODE_TO_TTKEYCODE,
inputs, out translated);
return translated;
}
public void TestDesktopInput()
{
const string USERNAME = "******", PASSWORD = "******"; string NICKNAME = "TeamTalk.NET - " + GetCurrentMethod();
const UserRight USERRIGHTS = UserRight.USERRIGHT_TRANSMIT_DESKTOP | UserRight.USERRIGHT_TRANSMIT_DESKTOPINPUT | UserRight.USERRIGHT_MULTI_LOGIN;
MakeUserAccount(GetCurrentMethod(), USERNAME, PASSWORD, USERRIGHTS);
TeamTalk ttclient = NewClientInstance();
InitSound(ttclient);
Connect(ttclient);
Login(ttclient, NICKNAME, USERNAME, PASSWORD);
JoinRoot(ttclient);
TeamTalk ttclient2 = NewClientInstance();
InitSound(ttclient2);
Connect(ttclient2);
Login(ttclient2, NICKNAME, USERNAME, PASSWORD);
JoinRoot(ttclient2);
TTMessage msg = new TTMessage();
IntPtr hWnd = WindowsHelper.GetDesktopActiveHWND();
int tx = ttclient.SendDesktopWindowFromHWND(hWnd, BitmapFormat.BMP_RGB24, DesktopProtocol.DESKTOPPROTOCOL_ZLIB_1);
Assert.IsTrue(tx > 0);
Assert.IsTrue(WaitForEvent(ttclient, ClientEvent.CLIENTEVENT_DESKTOPWINDOW_TRANSFER, 20000, ref msg));
Assert.IsTrue(WaitForEvent(ttclient2, ClientEvent.CLIENTEVENT_USER_DESKTOPWINDOW, 20000, ref msg), "receive desktop window");
Assert.AreEqual(msg.nSource, ttclient.GetMyUserID(), "desktop window from same source");
ushort POSX = 45, POSY = 56;
Assert.IsTrue(ttclient.SendDesktopCursorPosition(POSX, POSY), "send pos");
Assert.IsTrue(WaitForEvent(ttclient2, ClientEvent.CLIENTEVENT_USER_DESKTOPCURSOR, 2000, ref msg), "receive desktop cursor");
Assert.AreEqual(ttclient.GetMyUserID(), msg.nSource, "pos from origin");
DesktopInput dskinput = (DesktopInput)msg.DataToObject();
Assert.AreEqual(POSX, dskinput.uMousePosX);
Assert.AreEqual(POSY, dskinput.uMousePosY);
int cmdid = ttclient.DoSubscribe(ttclient2.GetMyUserID(), Subscription.SUBSCRIBE_DESKTOPINPUT);
Assert.IsTrue(WaitCmdComplete(ttclient, cmdid, 2000), "wait sub");
DesktopInput[] inputs = new DesktopInput[1];
inputs[0] = new DesktopInput();
inputs[0].uMousePosX = POSX;
inputs[0].uMousePosY = POSY;
inputs[0].uKeyCode = DesktopInputConstants.DESKTOPINPUT_KEYCODE_IGNORE;
inputs[0].uKeyState = DesktopKeyState.DESKTOPKEYSTATE_NONE;
DesktopInput[] trans_inputs;
Assert.IsTrue(WindowsHelper.DesktopInputKeyTranslate(TTKeyTranslate.TTKEY_WINKEYCODE_TO_TTKEYCODE, inputs, out trans_inputs) > 0, "translate from");
Assert.IsTrue(ttclient2.SendDesktopInput(ttclient.GetMyUserID(), trans_inputs), "send input");
Assert.IsTrue(WaitForEvent(ttclient, ClientEvent.CLIENTEVENT_USER_DESKTOPINPUT, 2000, ref msg), "get desktop inputs");
inputs[0] = (DesktopInput)msg.DataToObject();
Assert.IsTrue(WindowsHelper.DesktopInputKeyTranslate(TTKeyTranslate.TTKEY_TTKEYCODE_TO_WINKEYCODE, inputs, out trans_inputs) > 0, "translate to");
Assert.AreEqual(POSX, trans_inputs[0].uMousePosX, "same x");
Assert.AreEqual(POSY, trans_inputs[0].uMousePosY, "same y");
Assert.IsTrue(WindowsHelper.DesktopInputExecute(trans_inputs) > 0, "exec input");
}
