add multi symbol support
This commit is contained in:
Gunther Schulz
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//+------------------------------------------------------------------+
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//| OnTick(string symbol).mqh |
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//| Copyright 2010, Lizar |
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//| https://login.mql5.com/ru/users/Lizar |
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//| Revision 2011.01.30 |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2010, Lizar"
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#property link "https://login.mql5.com/ru/users/Lizar"
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//+------------------------------------------------------------------+
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//| The events enumeration is implemented as flags |
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//| the events can be combined using the OR ("|") logical operation |
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//+------------------------------------------------------------------+
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enum ENUM_CHART_EVENT_SYMBOL
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{
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CHARTEVENT_NO =0, // Events disabled
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CHARTEVENT_INIT =0, // "Initialization" event
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CHARTEVENT_NEWBAR_M1 =0x00000001, // "New bar" event on M1 chart
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CHARTEVENT_NEWBAR_M2 =0x00000002, // "New bar" event on M2 chart
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CHARTEVENT_NEWBAR_M3 =0x00000004, // "New bar" event on M3 chart
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CHARTEVENT_NEWBAR_M4 =0x00000008, // "New bar" event on M4 chart
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CHARTEVENT_NEWBAR_M5 =0x00000010, // "New bar" event on M5 chart
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CHARTEVENT_NEWBAR_M6 =0x00000020, // "New bar" event on M6 chart
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CHARTEVENT_NEWBAR_M10=0x00000040, // "New bar" event on M10 chart
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CHARTEVENT_NEWBAR_M12=0x00000080, // "New bar" event on M12 chart
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CHARTEVENT_NEWBAR_M15=0x00000100, // "New bar" event on M15 chart
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CHARTEVENT_NEWBAR_M20=0x00000200, // "New bar" event on M20 chart
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CHARTEVENT_NEWBAR_M30=0x00000400, // "New bar" event on M30 chart
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CHARTEVENT_NEWBAR_H1 =0x00000800, // "New bar" event on H1 chart
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CHARTEVENT_NEWBAR_H2 =0x00001000, // "New bar" event on H2 chart
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CHARTEVENT_NEWBAR_H3 =0x00002000, // "New bar" event on H3 chart
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CHARTEVENT_NEWBAR_H4 =0x00004000, // "New bar" event on H4 chart
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CHARTEVENT_NEWBAR_H6 =0x00008000, // "New bar" event on H6 chart
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CHARTEVENT_NEWBAR_H8 =0x00010000, // "New bar" event on H8 chart
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CHARTEVENT_NEWBAR_H12=0x00020000, // "New bar" event on H12 chart
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CHARTEVENT_NEWBAR_D1 =0x00040000, // "New bar" event on D1 chart
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CHARTEVENT_NEWBAR_W1 =0x00080000, // "New bar" event on W1 chart
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CHARTEVENT_NEWBAR_MN1=0x00100000, // "New bar" event on MN1 chart
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CHARTEVENT_TICK =0x00200000, // "New tick" event
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CHARTEVENT_ALL =0xFFFFFFFF, // All events enabled
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};
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//---
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#define CHART_EVENT_SYMBOL CHARTEVENT_TICK // frequency of calling OnTick()
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int _handle_[];
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int _symbols_total_ = 0; // total symbols
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int _symbols_market_ = 0; // number of symbols in Market Watch
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bool _market_watch_ = false; // use symbols from Market Watch
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bool _testing_ = false; // In testing mode
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int LoadSymbol(string symbol)
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// TODO only load when not already exists
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{
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//--- check if we work in Strategy Tester:
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_testing_=((bool)MQL5InfoInteger(MQL5_TESTING) ||
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(bool)MQL5InfoInteger(MQL5_OPTIMIZATION) ||
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(bool)MQL5InfoInteger(MQL5_VISUAL_MODE));
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//--- check settings
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if(_testing_ )
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{
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Print("Error: Strategy Tester is not working. ");
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return(1);
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}
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//--- Initialization of variables and arrays:
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_symbols_total_=SymbolsTotal(false); // total symbols
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ArrayResize(_handle_,_symbols_total_); // resize array for handles of "spys"
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ArrayInitialize(_handle_,INVALID_HANDLE); // initalizae array for handles of "spys"
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Print(_symbols_total_, symbol);
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_symbols_total_=ArraySize(tickSymbols);
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for(int i=0;i<_symbols_total_;i++)
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if(!LoadAgent(i, symbol)) return(1);
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Print(_symbols_total_, symbol);
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//--- Execute OnInit function of Expert Advisor
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//_OnInit();
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return(0);
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}
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int UnloadAllSymbols()
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{
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//--- check if we work in Strategy Tester:
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_testing_=((bool)MQL5InfoInteger(MQL5_TESTING) ||
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(bool)MQL5InfoInteger(MQL5_OPTIMIZATION) ||
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(bool)MQL5InfoInteger(MQL5_VISUAL_MODE));
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//--- check settings
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if(_testing_ )
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{
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Print("Error: Strategy Tester is not working. ");
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return(1);
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}
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_symbols_total_=ArraySize(tickSymbols);
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for(int i=0;i<_symbols_total_;i++)
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if(!DeLoadAgent(i, tickSymbols[i])) return(1);
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//--- Execute OnInit function of Expert Advisor
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//_OnInit();
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return(0);
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}
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//+------------------------------------------------------------------+
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//| Expert tick function |
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//| Used only in Strategy Tester |
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//+------------------------------------------------------------------+
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void OnTick()
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{
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if(_testing_)
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{
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for(int i=0;i<_symbols_total_;i++)
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{
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Print("a");
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string __symbol__=tickSymbols[i];
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if(MathAbs(GlobalVariableGet(__symbol__+"_flag")-2)<0.1)
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{
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Print("b");
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GlobalVariableSet(__symbol__+"_flag",1);
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OnTick(__symbol__);
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}
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}
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}
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}
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//+------------------------------------------------------------------+
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//| ChartEvent function |
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//+------------------------------------------------------------------+
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void OnChartEvent(const int id,const long& lparam,const double& dparam,const string& sparam)
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{
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//--- Call of OnTick(string symbol) or OnChartEvent event handler:
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if(id==CHARTEVENT_CUSTOM_LAST)
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{
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OnTick(sparam);
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//--- synchronize "agents" with Market Watch if necessary:
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}
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else _OnChartEvent(id,lparam,dparam,sparam);
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}
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#define OnChartEvent _OnChartEvent // rendefine of OnChartEvent function
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//+------------------------------------------------------------------+
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//| Function for loading of "spys" |
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//| INPUT: __id__ - id, corresponds to the symbol index in |
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//| the list of symbols |
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//| __symbol__ - symbol name |
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//| OUTPUT: true - if successful |
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//| false - if error |
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//| REMARK: no. |
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//+------------------------------------------------------------------+
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bool LoadAgent(int __id__, string __symbol__)
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{
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_handle_[__id__]=iCustom(__symbol__,_Period,"Spy Control panel MCM",ChartID(),65534,CHART_EVENT_SYMBOL);
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if(_handle_[__id__]==INVALID_HANDLE)
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{
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Print("Error in setting of agent for ",__symbol__);
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return(false);
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}
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Print("The agent for ",__symbol__," is set.");
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Function for release of the "spys" |
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//| INPUT: __id__ - id, corresponds to the symbol index in |
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//| the list of symbols |
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//| __symbol__ - symbol name |
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//| OUTPUT: true - if successful |
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//| false - if error |
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//| REMARK: no. |
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//+------------------------------------------------------------------+
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bool DeLoadAgent(int __id__, string __symbol__)
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{
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if(_handle_[__id__]!=INVALID_HANDLE)
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{
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if(!IndicatorRelease(_handle_[__id__]))
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{
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Print("Error deletion of agent for ",__symbol__);
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return(false);
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}
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Print("The agent for ",__symbol__," is deleted.");
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_handle_[__id__]=INVALID_HANDLE;
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}
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return(true);
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}
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//+------------------------------ end -------------------------------+
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