286 lines
12 KiB
Plaintext
286 lines
12 KiB
Plaintext
//+------------------------------------------------------------------+
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//| ForexSessionDetector.mq5 |
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//| Copyright 2023, MetaQuotes Software Corp. |
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//| https://www.metaquotes.net/ |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2023, MetaQuotes Software Corp."
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#property link "https://www.metaquotes.net/"
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#property version "1.00"
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#property indicator_chart_window
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#property indicator_buffers 0
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#property indicator_plots 0
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//+------------------------------------------------------------------+
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//| Session Times |
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//+------------------------------------------------------------------+
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input color SydneyColor = clrRoyalBlue; // Sydney session color
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input color TokyoColor = clrGreen; // Tokyo session color
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input color LondonColor = clrRed; // London session color
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input color NewYorkColor = clrDodgerBlue; // New York session color
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input int TextSize = 8; // Font size
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input bool ShowHighLow = true; // Show High/Low prices
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input bool ShowSessionTimes = true; // Show Session Times
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//+------------------------------------------------------------------+
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//| Global Variables |
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//+------------------------------------------------------------------+
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struct SessionInfo
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{
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string name;
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int startHour;
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int startMinute;
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int endHour;
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int endMinute;
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color clr;
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datetime sessionStart;
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datetime sessionEnd;
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double high;
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double low;
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bool active;
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};
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SessionInfo sessions[4];
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string fontFace = "Arial";
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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int OnInit()
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{
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// Initialize session information
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sessions[0].name = "Sydney";
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sessions[0].startHour = 22;
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sessions[0].startMinute = 0;
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sessions[0].endHour = 6;
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sessions[0].endMinute = 0;
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sessions[0].clr = SydneyColor;
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sessions[1].name = "Tokyo";
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sessions[1].startHour = 0;
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sessions[1].startMinute = 0;
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sessions[1].endHour = 9;
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sessions[1].endMinute = 0;
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sessions[1].clr = TokyoColor;
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sessions[2].name = "London";
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sessions[2].startHour = 8;
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sessions[2].startMinute = 0;
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sessions[2].endHour = 17;
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sessions[2].endMinute = 0;
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sessions[2].clr = LondonColor;
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sessions[3].name = "New York";
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sessions[3].startHour = 13;
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sessions[3].startMinute = 0;
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sessions[3].endHour = 22;
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sessions[3].endMinute = 0;
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sessions[3].clr = NewYorkColor;
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return (INIT_SUCCEEDED);
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}
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//+------------------------------------------------------------------+
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//| Custom indicator iteration function |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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// Clear previous objects
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ObjectsDeleteAll(0, "Session_");
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// Process each session
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for (int i = 0; i < 4; i++)
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{
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ProcessSession(i, time, high, low, rates_total);
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}
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return (rates_total);
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}
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//+------------------------------------------------------------------+
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//| Process a single session |
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//+------------------------------------------------------------------+
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void ProcessSession(int sessionIndex, const datetime &time[], const double &high[], const double &low[], int rates_total)
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{
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SessionInfo session = sessions[sessionIndex];
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// Find current session start and end times
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datetime currentTime = TimeCurrent();
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MqlDateTime currentTimeStruct;
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TimeToStruct(currentTime, currentTimeStruct);
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datetime sessionStart, sessionEnd;
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// Handle sessions that span midnight
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if (session.startHour > session.endHour)
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{
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// Session spans midnight (e.g., Sydney 22:00-6:00)
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if (currentTimeStruct.hour >= session.startHour || currentTimeStruct.hour < session.endHour)
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{
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sessionStart = StructToTime(currentTimeStruct.year, currentTimeStruct.mon, currentTimeStruct.day, session.startHour, session.startMinute, 0);
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if (currentTimeStruct.hour < session.startHour)
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sessionStart -= 86400; // Previous day
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sessionEnd = sessionStart + (session.endHour - session.startHour) * 3600 + (session.endMinute - session.startMinute) * 60;
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if (sessionEnd <= sessionStart)
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sessionEnd += 86400;
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session.active = true;
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}
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else
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{
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sessionStart = StructToTime(currentTimeStruct.year, currentTimeStruct.mon, currentTimeStruct.day, session.startHour, session.startMinute, 0);
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sessionEnd = sessionStart + (session.endHour - session.startHour) * 3600 + (session.endMinute - session.startMinute) * 60;
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if (sessionEnd <= sessionStart)
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sessionEnd += 86400;
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session.active = false;
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}
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}
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else
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{
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// Normal session (doesn't span midnight)
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if (currentTimeStruct.hour >= session.startHour && currentTimeStruct.hour < session.endHour)
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{
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sessionStart = StructToTime(currentTimeStruct.year, currentTimeStruct.mon, currentTimeStruct.day, session.startHour, session.startMinute, 0);
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sessionEnd = StructToTime(currentTimeStruct.year, currentTimeStruct.mon, currentTimeStruct.day, session.endHour, session.endMinute, 0);
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session.active = true;
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}
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else
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{
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sessionStart = StructToTime(currentTimeStruct.year, currentTimeStruct.mon, currentTimeStruct.day, session.startHour, session.startMinute, 0);
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sessionEnd = StructToTime(currentTimeStruct.year, currentTimeStruct.mon, currentTimeStruct.day, session.endHour, session.endMinute, 0);
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session.active = false;
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}
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}
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session.sessionStart = sessionStart;
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session.sessionEnd = sessionEnd;
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// Find high/low for the session
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int startIndex = iBarShift(NULL, 0, sessionStart);
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int endIndex = iBarShift(NULL, 0, sessionEnd);
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if (startIndex == -1 || endIndex == -1)
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return;
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session.high = high[ArrayMaximum(high, endIndex, startIndex - endIndex + 1)];
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session.low = low[ArrayMinimum(low, endIndex, startIndex - endIndex + 1)];
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// Draw session information on chart
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DrawSessionInfo(session, startIndex, endIndex, sessionIndex);
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}
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//+------------------------------------------------------------------+
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//| Get chart window price max |
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//+------------------------------------------------------------------+
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double GetWindowPriceMax()
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{
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double maxPrice;
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ChartGetDouble(0, CHART_PRICE_MAX, 0, maxPrice);
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return maxPrice;
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}
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//+------------------------------------------------------------------+
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//| Get chart window price min |
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//+------------------------------------------------------------------+
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double GetWindowPriceMin()
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{
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double minPrice;
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ChartGetDouble(0, CHART_PRICE_MIN, 0, minPrice);
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return minPrice;
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}
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//+------------------------------------------------------------------+
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//| Draw session information on chart |
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//+------------------------------------------------------------------+
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void DrawSessionInfo(SessionInfo &session, int startIndex, int endIndex, int sessionIndex)
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{
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string objName;
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color textColor = session.clr;
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double priceMax = GetWindowPriceMax();
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double priceMin = GetWindowPriceMin();
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// Draw vertical lines for session start/end
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objName = "Session_" + session.name + "_Start";
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ObjectCreate(0, objName, OBJ_VLINE, 0, session.sessionStart, 0);
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ObjectSetInteger(0, objName, OBJPROP_COLOR, session.clr);
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ObjectSetInteger(0, objName, OBJPROP_STYLE, STYLE_DOT);
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ObjectSetInteger(0, objName, OBJPROP_WIDTH, 1);
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ObjectSetInteger(0, objName, OBJPROP_BACK, true);
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objName = "Session_" + session.name + "_End";
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ObjectCreate(0, objName, OBJ_VLINE, 0, session.sessionEnd, 0);
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ObjectSetInteger(0, objName, OBJPROP_COLOR, session.clr);
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ObjectSetInteger(0, objName, OBJPROP_STYLE, STYLE_DOT);
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ObjectSetInteger(0, objName, OBJPROP_WIDTH, 1);
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ObjectSetInteger(0, objName, OBJPROP_BACK, true);
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// Draw session name label
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if (ShowSessionTimes)
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{
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objName = "Session_" + session.name + "_Label";
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ObjectCreate(0, objName, OBJ_TEXT, 0, session.sessionStart, priceMax - (priceMax - priceMin) * 0.1 * (sessionIndex + 1));
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ObjectSetString(0, objName, OBJPROP_TEXT, session.name + " " + TimeToString(session.sessionStart, TIME_MINUTES) + " - " + TimeToString(session.sessionEnd, TIME_MINUTES));
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ObjectSetInteger(0, objName, OBJPROP_COLOR, textColor);
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ObjectSetInteger(0, objName, OBJPROP_FONTSIZE, TextSize);
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ObjectSetString(0, objName, OBJPROP_FONT, fontFace);
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ObjectSetInteger(0, objName, OBJPROP_ANCHOR, ANCHOR_LEFT_UPPER);
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ObjectSetInteger(0, objName, OBJPROP_BACK, false);
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}
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// Draw high/low prices if enabled
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if (ShowHighLow)
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{
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objName = "Session_" + session.name + "_High";
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ObjectCreate(0, objName, OBJ_TEXT, 0, session.sessionStart + (session.sessionEnd - session.sessionStart) / 2, session.high);
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ObjectSetString(0, objName, OBJPROP_TEXT, "H: " + DoubleToString(session.high, _Digits));
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ObjectSetInteger(0, objName, OBJPROP_COLOR, textColor);
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ObjectSetInteger(0, objName, OBJPROP_FONTSIZE, TextSize);
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ObjectSetString(0, objName, OBJPROP_FONT, fontFace);
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ObjectSetInteger(0, objName, OBJPROP_ANCHOR, ANCHOR_LOWER);
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ObjectSetInteger(0, objName, OBJPROP_BACK, false);
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objName = "Session_" + session.name + "_Low";
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ObjectCreate(0, objName, OBJ_TEXT, 0, session.sessionStart + (session.sessionEnd - session.sessionStart) / 2, session.low);
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ObjectSetString(0, objName, OBJPROP_TEXT, "L: " + DoubleToString(session.low, _Digits));
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ObjectSetInteger(0, objName, OBJPROP_COLOR, textColor);
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ObjectSetInteger(0, objName, OBJPROP_FONTSIZE, TextSize);
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ObjectSetString(0, objName, OBJPROP_FONT, fontFace);
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ObjectSetInteger(0, objName, OBJPROP_ANCHOR, ANCHOR_UPPER);
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ObjectSetInteger(0, objName, OBJPROP_BACK, false);
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}
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// Highlight active session
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if (session.active)
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{
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objName = "Session_" + session.name + "_Background";
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ObjectCreate(0, objName, OBJ_RECTANGLE, 0, session.sessionStart, priceMax, session.sessionEnd, priceMin);
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ObjectSetInteger(0, objName, OBJPROP_COLOR, session.clr);
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ObjectSetInteger(0, objName, OBJPROP_BGCOLOR, session.clr);
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ObjectSetInteger(0, objName, OBJPROP_BACK, true);
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ObjectSetInteger(0, objName, OBJPROP_FILL, true);
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ObjectSetInteger(0, objName, OBJPROP_WIDTH, 1);
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}
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}
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//+------------------------------------------------------------------+
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//| Create datetime from components |
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//+------------------------------------------------------------------+
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datetime StructToTime(int year, int month, int day, int hour, int minute, int second)
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{
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MqlDateTime mdt;
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mdt.year = year;
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mdt.mon = month;
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mdt.day = day;
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mdt.hour = hour;
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mdt.min = minute;
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mdt.sec = second;
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return StructToTime(mdt);
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}
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//+------------------------------------------------------------------+ |