There is a chart event for the click of the central mouse wheel?

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There is a chart event for the click of the central mouse wheel?
 
Liviu Istoc: There is a chart event for the click of the central mouse wheel?

Please read Documentation on MQL5: Constants, Enumerations and Structures / Chart Constants / Types of Chart Events

CHARTEVENT_MOUSE_WHEEL

Pressing or scrolling the mouse wheel (if CHART_EVENT_MOUSE_WHEEL=True for the chart)

Mouse wheel event (if CHART_EVENT_MOUSE_WHEEL=true for the chart)

CHARTEVENT_MOUSE_WHEEL

Flags of states of keys and mouse buttons, the X and Y coordinates of the mouse pointer. See description in the example below

The Delta value of the mouse wheel scroll

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For CHARTEVENT_MOUSE_MOVE event the sparam string parameter contains information about state of the keyboard and mouse buttons:

Bit

Description

1

State of the left mouse button

2

State of the right mouse button

3

State of the SHIFT button

4

State of the CTRL button

5

State of the middle mouse button

6

State of the first extra mouse button

7

State of the second extra mouse button
 
Fernando Carreiro #:

Please read Documentation on MQL5: Constants, Enumerations and Structures / Chart Constants / Types of Chart Events

CHARTEVENT_MOUSE_WHEEL

Pressing or scrolling the mouse wheel (if CHART_EVENT_MOUSE_WHEEL=True for the chart)

 


int OnInit()
  {
   ChartSetInteger(0,CHART_EVENT_MOUSE_WHEEL,1);
   
   ChartSetInteger(1,CHART_EVENT_MOUSE_MOVE,true);
void OnChartEvent(const int id,
                  const long &lparam,
                  const double &dparam,
                  const string &sparam)
  {    

   if (id== CHARTEVENT_MOUSE_WHEEL) {
         printf("Mouse Middle button clicked");
      }


it's doesn't work, can you help me please?

 
Fernando Carreiro #:

Also, remember that the middle mouse button enables the Crosshair on the chart.

Thanks for the answer, it only works if you rotate the wheel.

 
Liviu Istoc #: it's doesn't work, can you help me please? 
int OnInit( void ) {
   ChartSetInteger( 0, CHART_EVENT_MOUSE_WHEEL, true );
   ChartSetInteger( 0, CHART_EVENT_MOUSE_MOVE,  true );
   return INIT_SUCCEEDED;
};

void OnChartEvent( const int id, const long &lparam, const double &dparam, const string &sparam ) {
   if( id == CHARTEVENT_MOUSE_WHEEL )
      Print( "Mouse wheel moved" );
   if( id == CHARTEVENT_MOUSE_MOVE && sparam == "16" ) {
      Print( "Middle button clicked" );
   };
};
2023.06.01 20:47:55.192 test (EURUSD,H1)        Mouse wheel moved
2023.06.01 20:47:55.252 test (EURUSD,H1)        Mouse wheel moved
2023.06.01 20:47:58.722 test (EURUSD,H1)        Middle button clicked
2023.06.01 20:47:59.772 test (EURUSD,H1)        Middle button clicked

Also, remember that the middle mouse button enables the Crosshair on the chart.

Please note that I used "16" for a quick and dirty solution, but you should treat it as a bit field in case multiple states occur at the same time.

 
Fernando Carreiro #:

Also, remember that the middle mouse button enables the Crosshair on the chart.

It works thanks you

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