update to my MQL5 Libs

2025-07-07 15:43:17 +02:00
parent 10c1d86a0c
commit e9fc8ada0d
10 changed files with 885 additions and 575 deletions
@@ -0,0 +1,96 @@
+// File: MyLibs/Utils/AtrBands.mqh
+
+class AtrBands {
+   protected:
+    string symbol;
+    int atr_period;
+    ENUM_TIMEFRAMES timeframe;
+    string prefix;
+    color upper_color;
+    color lower_color;
+    color mid_color;
+    int line_width;
+    bool plot_bands;
+    int atr_handle;
+
+   public:
+    AtrBands(string _symbol, int _atr_period = 14, ENUM_TIMEFRAMES _timeframe = PERIOD_CURRENT,
+             color _upper = clrDodgerBlue, color _lower = clrDodgerBlue, color _mid = clrDodgerBlue,
+             int _width = 1, bool plot = true);
+
+    double upper_band(double baseline, int shift = 1, double mult = 1.0);
+    double lower_band(double baseline, int shift = 1, double mult = 1.0);
+    double middle_band(double baseline, int shift = 1);
+
+   protected:
+    double get_atr(int shift);
+    void draw_line(string name, int shift, double price, color clr);
+};
+
+// Constructor
+AtrBands::AtrBands(string _symbol, int _atr_period, ENUM_TIMEFRAMES _timeframe,
+                   color _upper, color _lower, color _mid, int _width, bool plot) {
+    symbol = _symbol;
+    atr_period = _atr_period;
+    timeframe = _timeframe;
+    prefix = "ATRBand";
+    upper_color = _upper;
+    lower_color = _lower;
+    mid_color = _mid;
+    line_width = _width;
+    plot_bands = plot;
+
+    atr_handle = iATR(symbol, timeframe, atr_period);
+    if (atr_handle == INVALID_HANDLE) {
+        Print("Failed to create ATR handle for symbol: ", symbol);
+    }
+}
+
+// Public methods
+double AtrBands::upper_band(double baseline, int shift, double mult) {
+    double atr = get_atr(shift);
+    double upper = baseline + atr * mult;
+    if (plot_bands) draw_line(prefix + "_Upper_" + symbol, shift, upper, upper_color);
+    return upper;
+}
+
+double AtrBands::lower_band(double baseline, int shift, double mult) {
+    double atr = get_atr(shift);
+    double lower = baseline - atr * mult;
+    if (plot_bands) draw_line(prefix + "_Lower_" + symbol, shift, lower, lower_color);
+    return lower;
+}
+
+double AtrBands::middle_band(double baseline, int shift) {
+    if (plot_bands) draw_line(prefix + "_Mid_" + symbol, shift, baseline, mid_color);
+    return baseline;
+}
+
+// Internal: Get ATR value from buffer
+double AtrBands::get_atr(int shift) {
+    if (atr_handle == INVALID_HANDLE) return 0;
+
+    double buf[];
+    ArraySetAsSeries(buf, true);
+    if (CopyBuffer(atr_handle, 0, shift, 1, buf) == 1 && buf[0] != EMPTY_VALUE)
+        return buf[0];
+
+    return 0;
+}
+
+// Internal: Draw line for a given price at a bar
+void AtrBands::draw_line(string name, int shift, double price, color clr) {
+    datetime time0 = iTime(symbol, timeframe, shift);
+    datetime time1 = time0 + PeriodSeconds(timeframe);
+
+    if (ObjectFind(0, name) < 0) {
+        ObjectCreate(0, name, OBJ_TREND, 0, time0, price, time1, price);
+    } else {
+        ObjectMove(0, name, 0, time0, price);
+        ObjectMove(0, name, 1, time1, price);
+    }
+
+    ObjectSetInteger(0, name, OBJPROP_COLOR, clr);
+    ObjectSetInteger(0, name, OBJPROP_WIDTH, line_width);
+    ObjectSetInteger(0, name, OBJPROP_STYLE, STYLE_DASH);
+}