is possible intercept keybord+mouse ?

[Stefano Cerbioni]

Hi in mql5  in s possible intercept keyboard +mouse left, example:  i want  take alt+ right mouse button , if happen this i want draw in chart a line is possible ? thanks

[Fernando Carreiro]

Yes, it is possible! Use the OnChartEvent handler for that.

• Documentation on MQL5: Event Handling / OnChartEvent
• MQL5 Book: Creating application programs / Interactive events on charts / Event handling function OnChartEvent

[Stefano Cerbioni]

thanks  i look but not  work for me  not  draw nothing , but if i clik in terminal o look i click but if i use a combine   not  work 

void OnChartEvent(const int id,
                  const long &lparam,
                  const double &dparam,
                  const string &sparam)
{
 // Rileva pressione/rilascio del tasto S
    if(id == CHARTEVENT_KEYDOWN)
    {
        if(lparam == 83) // codice ASCII di 'S'
            S_Pressed = true;
    }
    if(id == CHARTEVENT_KEYUP)
    {
        if(lparam == 83)
            S_Pressed = false;
    }

    // Aggiorno lo stato dei tasti/mouse
    if(id == CHARTEVENT_MOUSE_MOVE)
    {
        state = (uint)lparam;  // memorizza lo stato dei tasti e mouse
        //DEBUG
        Print("Mouse state updated: ", state);
    }
    //--- Show the event parameters on the chart
    // Comment(__FUNCTION__, ": id=", id, " lparam=", lparam, " dparam=", dparam, " sparam=", sparam);
     if(id==CHARTEVENT_OBJECT_CLICK){
     string message = "";
         if(sparam=="Invia_a_VIP"){
             if(PositionSelect(_Symbol))
                  {
                     // Ottieni il tipo (BUY/SELL)
                     long type      = PositionGetInteger(POSITION_TYPE);
                     double price   = PositionGetDouble(POSITION_PRICE_OPEN);
                     ulong ticket   = PositionGetInteger(POSITION_TICKET);
               
                     string side;
                     if(type == POSITION_TYPE_BUY)
                        side = "BUY";
                     else if(type == POSITION_TYPE_SELL)
                        side = "SELL";
                      
                     message=  Symbol() + " " + side + " " + DoubleToString(price, _Digits) + "\nSeconda riga\nTerza riga";
                  }                
               
                  if(SendMessageToTelegram(message, chatId, botToken))
                    {
                    // Print("Greeting message sent successfully.");
                    }
                  else
                    {
                     Print("Failed to send greeting message.");
                    }
   
        }  
        //-------------------------------- LINEA 1 ----------------------------------------------
        if(sparam=="Invia_a_FREE"){
              if(PositionSelect(_Symbol))
                  {
                     // Ottieni il tipo (BUY/SELL)
                     long type      = PositionGetInteger(POSITION_TYPE);
                     double price   = PositionGetDouble(POSITION_PRICE_OPEN);
                     ulong ticket   = PositionGetInteger(POSITION_TICKET);
               
                     string side;
                     if(type == POSITION_TYPE_BUY)
                        side = "BUY";
                     else if(type == POSITION_TYPE_SELL)
                        side = "SELL";
               
                     message=  Symbol() + " " + side + " " + DoubleToString(price, _Digits) + "\nSeconda riga\nTerza riga";
              }
            if(SendMessageToTelegram(message, chatId, botToken))
              {
               // Print("Greeting message sent successfully.");
              }
              else
              {
               Print("Failed to send greeting message.");
              }        
        
        
        }
    }
    
 // Evento click su chart
if(id == CHARTEVENT_CLICK)
{
   int x = (int)lparam;
   int y = (int)dparam;
   datetime dt;
   double price;
   int window;
   
   Print("Click sul grafico: X=", x, " Y=", y, " State=", state);
   
   // Verifica se ALT + tasto destro sono premuti
     if(S_Pressed && (state & MOUSE_LEFT) == MOUSE_LEFT)
        {
       Print("s + tasto sinistro premuti");
      if(ChartXYToTimePrice(0, x, y, window, dt, price))
      {
         Print("ChartXYToTimePrice ok - Prezzo: ", price);
         string lineName = "StopLossLine";
         
         if(ObjectFind(0, lineName) != -1)
                {
                    Print("Linea esistente trovata, elimino...");
                    ObjectDelete(0, lineName);
                }

         if(ObjectCreate(0, lineName, OBJ_HLINE, window, 0, price))
         {
            Print("Linea creata al prezzo: ", price);
            ObjectSetInteger(0, lineName, OBJPROP_COLOR, clrRed);
            ObjectSetInteger(0, lineName, OBJPROP_STYLE, STYLE_SOLID);
            ObjectSetInteger(0, lineName, OBJPROP_WIDTH, 2);

            // Aggiorna la editbox StopLossEdit con il prezzo
            ObjectSetString(0,"StopLOssEdit",OBJPROP_TEXT,DoubleToString(price,_Digits));
            Print("EditBox StopLossEdit aggiornato: ", DoubleToString(price, _Digits));
         }
    else
                {
                    Print("Errore nella creazione della linea! Errore: ", GetLastError());
                }
            }
            else
            {
                Print("ChartXYToTimePrice fallito!");
            }
        }
        else
        {
            Print("ALT + tasto destro NON premuti");
        }
    }
}