forked from rosh/MQL5Book
54 lines
2.5 KiB
MQL5
54 lines
2.5 KiB
MQL5
//+------------------------------------------------------------------+
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//| ObjectTimeframes.mq5 |
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//| Copyright 2021, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//| |
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//| The script creates labels for all timeframes, |
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//| each one is visible on its own timeframe. |
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//+------------------------------------------------------------------+
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#include "ObjectPrefix.mqh"
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#include "..\..\Include\EnumToArray.mqh"
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//+------------------------------------------------------------------+
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//| Get brief name of timeframe (drop PERIOD_ prefix) |
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//+------------------------------------------------------------------+
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string GetPeriodName(const int tf)
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{
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const static int PERIOD_ = StringLen("PERIOD_");
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return StringSubstr(EnumToString((ENUM_TIMEFRAMES)tf), PERIOD_);
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}
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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// obtain full list of all timeframes
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ENUM_TIMEFRAMES tf = 0;
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int values[];
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const int n = EnumToArray(tf, values, 0, USHORT_MAX);
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// find center of the window
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const int centerX = (int)ChartGetInteger(0, CHART_WIDTH_IN_PIXELS) / 2;
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const int centerY = (int)ChartGetInteger(0, CHART_HEIGHT_IN_PIXELS) / 2;
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// loop through all timeframes
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for(int i = 1; i < n; ++i)
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{
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// create and setup text label for each timeframe
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const string name = ObjNamePrefix + (string)i;
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ObjectCreate(0, name, OBJ_LABEL, 0, 0, 0);
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ObjectSetInteger(0, name, OBJPROP_XDISTANCE, centerX);
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ObjectSetInteger(0, name, OBJPROP_YDISTANCE, centerY);
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ObjectSetInteger(0, name, OBJPROP_ANCHOR, ANCHOR_CENTER);
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ObjectSetString(0, name, OBJPROP_TEXT, GetPeriodName(values[i]));
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ObjectSetInteger(0, name, OBJPROP_FONTSIZE, fmin(centerY, centerX));
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ObjectSetInteger(0, name, OBJPROP_COLOR, clrLightGray);
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ObjectSetInteger(0, name, OBJPROP_BACK, true);
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// calculate the flag of i-th timeframe visibility
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const int flag = 1 << (i - 1);
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ObjectSetInteger(0, name, OBJPROP_TIMEFRAMES, flag);
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}
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}
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//+------------------------------------------------------------------+
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