Multi_Time_Frame_Overview

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ÿþ//+------------------------------------------------------------------+

//|                                    Multi_Time_Frame_Overview.mq5 |

//|                        Copyright 2018, MetaQuotes Software Corp. |

//|                                                 https://mql5.com |

//+------------------------------------------------------------------+

#property copyright "Copyright 2018, MetaQuotes Software Corp."

#property link      "https://mql5.com"

#property version   "1.00"

#property description "Multi Time Frame Price/MA Overview Panel with alerts"

//--- includes

#include <Canvas\Canvas.mqh>

#include <Arrays\ArrayObj.mqh>

//+------------------------------------------------------------------+

//| ;0AA->:=>                                                       |

//+------------------------------------------------------------------+

enum ENUM_MOUSE_STATE

  {

   MOUSE_STATE_NOT_PRESSED,

   MOUSE_STATE_PRESSED_OUTSIDE_WINDOW,

   MOUSE_STATE_PRESSED_INSIDE_WINDOW,

   MOUSE_STATE_PRESSED_INSIDE_HEADER,

   MOUSE_STATE_OUTSIDE_WINDOW,

   MOUSE_STATE_INSIDE_WINDOW,

   MOUSE_STATE_INSIDE_HEADER

  };

class CWnd

  {

protected:

   CCanvas           m_canvas;

   CCanvas           m_field;

   long              m_chart_id;

   int               m_chart_w;

   int               m_chart_h;

   int               m_sub_wnd;

   string            m_name;

   string            m_caption;

   string            m_caption_font;

   string            m_name_gv_x;

   string            m_name_gv_y;

   color             m_color_bg;

   color             m_color_border;

   color             m_color_bg_header;

   color             m_color_caption;

   color             m_color_texts;

   uchar             m_alpha_bg;

   uchar             m_alpha_head;

   int               m_x;

   int               m_y;

   int               m_w;

   int               m_h;

   int               m_y_act;

   int               m_caption_font_size;

   uint              m_caption_alignment;

   uint              m_x_caption;

   bool              m_is_visible;

   bool              m_header_on;

   bool              m_movable;

   ENUM_PROGRAM_TYPE m_program_type;  

   ENUM_MOUSE_STATE  m_mouse_state;

   ENUM_MOUSE_STATE  MouseButtonState(const int x,const int y,bool pressed);

   void              Move(int x,int y);

   bool              CreateCanvas(CCanvas &canvas,const int wnd_id,const int x,const int y,const int w,const int h);

   void              DrawHeaderArea(const string caption);

   void              RedrawHeaderArea(const color clr_area,const color clr_caption);

   string            TimeframeToString(const ENUM_TIMEFRAMES timeframe);

   int               CoordX1(void)                             const { return this.m_x;               }

   int               CoordX2(void)                             const { return this.m_x+this.m_w;      }

   int               CoordY1(void)                             const { return this.m_y;               }

   int               CoordY2(void)                             const { return this.m_y+this.m_h;      }

   int               CoordYAct(void)                           const { return this.m_y+this.m_y_act;  }

   color             RGBToColor(const double r,const double g,const double b);

   void              ColorToRGB(const color clr,double &r,double &g,double &b);

   double            GetR(const color clr)                           { return clr&0xff ;              }

   double            GetG(const color clr)                           { return(clr>>8)&0xff;           }

   double            GetB(const color clr)                           { return(clr>>16)&0xff;          }

   int               ChartWidth(void)                          const { return this.m_chart_w;         }

   int               ChartHeight(void)                         const { return this.m_chart_h;         }

public:

   bool              CreateWindow(const string caption_text,const int x,const int y,const int w,const int h,const bool header,bool movable);

   void              Resize(const int w,const int h);

   void              SetColors(const color clr_bg,const color clr_bd,const color clr_hd,const color clr_capt,const color clr_text,uchar alpha_bg=128,uchar alpha_hd=200);

   CCanvas*          GetFieldCanvas(void)                            { return &this.m_field;          }

   void              DrawSeparateVLine(const int x,const int y1,const int y2,const color clr1,const color clr2,const uchar w=1);

   void              DrawSeparateHLine(const int x,const int y1,const int y2,const color clr1,const color clr2,const uchar w=1);

   color             NewColor(color base_color, int shift_red, int shift_green, int shift_blue);

   string            Caption(void)                             const { return this.m_caption;         }

   string            NameCaptionFont(void)                     const { return this.m_caption_font;    }

   color             ColorCaption(void)                        const { return this.m_color_caption;   }

   color             ColorBackground(void)                     const { return this.m_color_bg;        }

   color             ColorHeaderBackground(void)               const { return this.m_color_bg_header; }

   color             ColorTexts(void)                          const { return this.m_color_texts;     }

   void              OnChartEvent(const int id,const long &lparam,const double &dparam,const string &sparam);

                     CWnd(void);

                    ~CWnd(void);

  };

//+------------------------------------------------------------------+

//| CWnd :>=AB@C:B>@                                                 |

//+------------------------------------------------------------------+

CWnd::CWnd(void) : m_chart_id(::ChartID()),

                   m_program_type((ENUM_PROGRAM_TYPE)::MQLInfoInteger(MQL_PROGRAM_TYPE)),

                   m_name(::MQLInfoString(MQL_PROGRAM_NAME)),

                   m_name_gv_x(m_name+"_GVX"),

                   m_name_gv_y(m_name+"_GVY"),

                   m_sub_wnd(m_program_type==PROGRAM_EXPERT || m_program_type==PROGRAM_SCRIPT ? 0 : ::ChartWindowFind()),

                   m_chart_w((int)::ChartGetInteger(m_chart_id,CHART_WIDTH_IN_PIXELS,m_sub_wnd)),

                   m_chart_h((int)::ChartGetInteger(m_chart_id,CHART_HEIGHT_IN_PIXELS,m_sub_wnd)),

                   m_caption(""),

                   m_caption_font("Calibri"),

                   m_caption_font_size(-100),

                   m_alpha_bg(128),

                   m_alpha_head(200),

                   m_color_bg(C'200,200,200'),

                   m_color_bg_header(clrDarkGray),

                   m_color_border(clrDarkGray),

                   m_color_caption(clrYellow),

                   m_color_texts(clrSlateGray),

                   m_h(100),

                   m_w(160),

                   m_x(6),

                   m_y(6),

                   m_y_act(10),

                   m_is_visible(false),

                   m_movable(true),

                   m_header_on(true),

                   m_x_caption(4),

                   m_caption_alignment(TA_LEFT|TA_VCENTER),

                   m_mouse_state(MOUSE_STATE_NOT_PRESSED)

  {

   ::ChartSetInteger(0,CHART_EVENT_MOUSE_MOVE,true);

   if(!::GlobalVariableCheck(this.m_name_gv_x))

      ::GlobalVariableSet(this.m_name_gv_x,this.m_x);

   else

      this.m_x=(int)::GlobalVariableGet(this.m_name_gv_x);

   if(!::GlobalVariableCheck(this.m_name_gv_y))

      ::GlobalVariableSet(this.m_name_gv_y,this.m_y);

   else

      this.m_y=(int)::GlobalVariableGet(this.m_name_gv_y);

  }

//+------------------------------------------------------------------+

//| CWnd 45AB@C:B>@                                                  |

//+------------------------------------------------------------------+

CWnd::~CWnd(void)

  {

   ::ObjectsDeleteAll(this.m_chart_id,m_name);

   ::GlobalVariableSet(this.m_name_gv_x,this.m_x);

   ::GlobalVariableSet(this.m_name_gv_y,this.m_y);

  }

//+------------------------------------------------------------------+

//| CWnd Chart event function                                        |

//+------------------------------------------------------------------+

void CWnd::OnChartEvent(const int id,const long &lparam,const double &dparam,const string &sparam)

  {

   if(id==CHARTEVENT_CHART_CHANGE)

     {

      int w=(int)::ChartGetInteger(this.m_chart_id,CHART_WIDTH_IN_PIXELS,this.m_sub_wnd);

      int h=(int)::ChartGetInteger(this.m_chart_id,CHART_HEIGHT_IN_PIXELS,this.m_sub_wnd);

      if(this.m_chart_h!=h)

        {

         this.m_chart_h=h;

         int y=this.CoordY1();

         if(this.CoordY1()+this.m_h>h-1) y=h-this.m_h-1;

         if(y<1) y=1;

         this.Move(this.CoordX1(),y);

        }

      if(this.m_chart_w!=w)

        {

         this.m_chart_w=w;

         int x=this.CoordX1();

         if(this.CoordX1()+this.m_w>w-1) x=w-this.m_w-1;

         if(x<1) x=1;

         this.Move(x,this.CoordY1());

        }

     }

   if(!this.m_movable)

      return;

   static int diff_x=0;

   static int diff_y=0;

   bool pressed=(sparam=="1" || sparam=="" ? true : false);

   int  mouse_x=(int)lparam;

   int  mouse_y=(int)dparam-(int)::ChartGetInteger(this.m_chart_id,CHART_WINDOW_YDISTANCE,this.m_sub_wnd);

   ENUM_MOUSE_STATE state=this.MouseButtonState(mouse_x,mouse_y,pressed);

   if(id==CHARTEVENT_MOUSE_MOVE)

     {

      if(state==MOUSE_STATE_PRESSED_INSIDE_WINDOW)

        {

         ::ChartSetInteger(0,CHART_MOUSE_SCROLL,false);

         ::ChartRedraw(this.m_chart_id);

         return;

        }

      else if(state==MOUSE_STATE_PRESSED_INSIDE_HEADER)

        {

         ::ChartSetInteger(0,CHART_MOUSE_SCROLL,false);

         this.Move(mouse_x-diff_x,mouse_y-diff_y);

         return;

        }

      else

        {

         ::ChartSetInteger(0,CHART_MOUSE_SCROLL,true);

         diff_x=mouse_x-this.CoordX1();

         diff_y=mouse_y-this.CoordY1();

        }

     }

  }

//+------------------------------------------------------------------+

//| >72@0I05B A>AB>O=85 :=>?:8 <KH8                                 |

//+------------------------------------------------------------------+

ENUM_MOUSE_STATE CWnd::MouseButtonState(const int x,const int y,bool pressed)

  {

   //--- A;8 :=>?:0 =060B0

   if(pressed)

     {

      //--- A;8 C65 70D8:A8@>20=> A>AB>O=85 - 2KE>4

      if(this.m_mouse_state!=MOUSE_STATE_NOT_PRESSED)

         return this.m_mouse_state;

      //--- A;8 =060B0 :=>?:0 2=CB@8 >:=0

      if(x>this.CoordX1() && x<this.CoordX2() && y>this.CoordY1() && y<this.CoordY2())

        {

         //--- A;8 =060B0 :=>?:0 2=CB@8 703>;>2:0

         if(y>this.CoordY1() && y<this.CoordYAct())

           {

            this.RedrawHeaderArea(this.NewColor(this.m_color_bg_header,30,30,30),this.m_color_caption);

            this.m_mouse_state=MOUSE_STATE_PRESSED_INSIDE_HEADER;

            return this.m_mouse_state;

           }

         //--- A;8 =060B0 :=>?:0 2=CB@8 >:=0

         else if(y>this.CoordY1() && y<this.CoordY2())

           {

            this.m_mouse_state=(this.m_header_on ? MOUSE_STATE_PRESSED_INSIDE_WINDOW : MOUSE_STATE_PRESSED_INSIDE_HEADER);

            return this.m_mouse_state;

           }

        }

      //--- =>?:0 =060B0 2=5 ?@545;>2 >:=0

      else

        {

         this.m_mouse_state=MOUSE_STATE_PRESSED_OUTSIDE_WINDOW;

         return this.m_mouse_state;

        }

     }

   //--- =>?:0 =5 =060B0

   else

     {

      this.m_mouse_state=MOUSE_STATE_NOT_PRESSED;

      //--- C@A>@ 2=CB@8 >:=0

      if(x>this.CoordX1() && x<this.CoordX2() && y>this.CoordY1() && y<this.CoordY2())

        {

         //--- C@A>@ 2=CB@8 703>;>2:0

         if(y>this.CoordY1() && y<this.CoordYAct())

           {

            this.RedrawHeaderArea(this.NewColor(this.m_color_bg_header,20,20,20),this.m_color_caption);

            return MOUSE_STATE_INSIDE_HEADER;

           }

         //--- C@A>@ 2=CB@8 >:=0

         else

           {

            this.RedrawHeaderArea(this.m_color_bg_header,this.m_color_caption);

            return MOUSE_STATE_INSIDE_WINDOW;

           }

        }

     }

   this.RedrawHeaderArea(this.m_color_bg_header,this.m_color_caption);

   return MOUSE_STATE_NOT_PRESSED;

  }

//+------------------------------------------------------------------+

//| CWnd ?5@5<5I5=85 >:=0                                            |

//+------------------------------------------------------------------+

void CWnd::Move(int x,int y)

  {

   if(x+this.m_w>this.m_chart_w-1) x=this.m_chart_w-this.m_w-1;

   if(x<1) x=1;

   if(y+this.m_h>this.m_chart_h-1) y=this.m_chart_h-this.m_h-1;

   if(y<1) y=1;

   this.m_x=x;

   this.m_y=y;

   ::ObjectSetInteger(this.m_chart_id,this.m_name+"0",OBJPROP_XDISTANCE,this.m_x);

   ::ObjectSetInteger(this.m_chart_id,this.m_name+"0",OBJPROP_YDISTANCE,this.m_y);

   ::ObjectSetInteger(this.m_chart_id,this.m_name+"1",OBJPROP_XDISTANCE,this.m_x+1);

   ::ObjectSetInteger(this.m_chart_id,this.m_name+"1",OBJPROP_YDISTANCE,this.m_y+this.m_y_act+1);

   this.m_canvas.Update(true);

  }

//+------------------------------------------------------------------+

//| CWnd !>740QB E>;AB                                               |

//+------------------------------------------------------------------+

bool CWnd::CreateCanvas(CCanvas &canvas,const int wnd_id,const int x,const int y,const int w,const int h)

  {

   if(!canvas.CreateBitmapLabel(this.m_chart_id,this.m_sub_wnd,this.m_name+(string)wnd_id,x,y,w,h,COLOR_FORMAT_ARGB_NORMALIZE))

      return false;

   if(wnd_id==0)

     {

      this.m_x=x;

      this.m_y=y;

      this.m_w=w;

      this.m_h=h;

     }

   ::ObjectSetInteger(this.m_chart_id,this.m_name+(string)wnd_id,OBJPROP_SELECTABLE,false);

   ::ObjectSetInteger(this.m_chart_id,this.m_name+(string)wnd_id,OBJPROP_SELECTED,false);

   ::ObjectSetInteger(this.m_chart_id,this.m_name+(string)wnd_id,OBJPROP_HIDDEN,true);

   return true;

  }

//+------------------------------------------------------------------+

//| CWnd !>740QB >:=>                                                |

//+------------------------------------------------------------------+

bool CWnd::CreateWindow(const string caption_text,const int x,const int y,const int w,const int h,const bool header,bool movable)

  {

   if(!this.CreateCanvas(this.m_canvas,0,x,y,w,h))

      return false;

   this.m_header_on=header;

   if(!header)

      this.m_y_act=0;

   this.m_movable=movable;

   this.m_caption=caption_text;

   this.m_canvas.Erase(::ColorToARGB(this.m_color_bg,this.m_alpha_bg));

   this.m_canvas.Rectangle(0,0,this.m_w-1,this.m_h-1,::ColorToARGB(this.m_color_border));

   this.DrawHeaderArea(this.m_caption);

   this.m_canvas.Update(true);

   

   if(!this.CreateCanvas(this.m_field,1,this.m_x+1,this.m_y+this.m_y_act+1,this.m_w-2,this.m_h-this.m_y_act-2))

      return false;

   return true;

  }

//+------------------------------------------------------------------+

//| 7<5=O5B @07<5@K >:=0                                            |

//+------------------------------------------------------------------+

void CWnd::Resize(const int w,const int h)

  {

   this.m_w=w;

   this.m_h=h;

   this.m_canvas.Resize(this.m_w,this.m_h);

   this.m_field.Resize(this.m_w-2,this.m_h-this.m_y_act-2);

   this.m_canvas.Erase(::ColorToARGB(this.m_color_bg,this.m_alpha_bg));

   this.m_canvas.Rectangle(0,0,this.m_w-1,this.m_h-1,::ColorToARGB(this.m_color_border));

   this.DrawHeaderArea(this.m_caption);

   this.m_canvas.Update(false);

   this.m_field.Update(true);

  }

//+------------------------------------------------------------------+

//| CWnd  8AC5B 703>;>2>:                                            |

//+------------------------------------------------------------------+

void CWnd::DrawHeaderArea(const string caption)

  {

   if(!this.m_header_on) return;

   this.m_canvas.FillRectangle(0,0,this.m_w,this.m_y_act,::ColorToARGB(this.m_color_bg_header,this.m_alpha_head));

   this.m_canvas.FontSet(this.m_caption_font,this.m_caption_font_size,FW_NORMAL);

   this.m_canvas.TextOut(this.m_x_caption,this.m_y_act/2,caption,::ColorToARGB(this.m_color_caption),this.m_caption_alignment);

  }

//+------------------------------------------------------------------+

//| CWnd 5@5@8A>2K205B 703>;>2>:                                    |

//+------------------------------------------------------------------+

void CWnd::RedrawHeaderArea(const color clr_area,const color clr_caption)

  {

   if(!this.m_header_on) return;

   this.m_canvas.FillRectangle(0,0,this.m_w,this.m_y_act,::ColorToARGB(clr_area,this.m_alpha_head));

   this.m_canvas.FontSet(this.m_caption_font,this.m_caption_font_size,FW_NORMAL);

   this.m_canvas.TextOut(this.m_x_caption,this.m_y_act/2,this.m_caption,::ColorToARGB(clr_caption),this.m_caption_alignment);

   this.m_canvas.Update();

  }

//+------------------------------------------------------------------+

//|  8AC5B 25@B8:0;L=CN @0745;8B5;L=CN ;8=8N                         |

//+------------------------------------------------------------------+

void CWnd::DrawSeparateVLine(const int x,const int y1,const int y2,const color clr1,const color clr2,const uchar w=1)

  {

   this.m_field.LineVertical(x,y1,y2,::ColorToARGB(clr1,this.m_alpha_bg));

   this.m_field.LineVertical(x+w,y1,y2,::ColorToARGB(clr2,this.m_alpha_bg));

  }

//+------------------------------------------------------------------+

//|  8AC5B 3>@87>=B0;L=CN @0745;8B5;L=CN ;8=8N                       |

//+------------------------------------------------------------------+

void CWnd::DrawSeparateHLine(const int x1,const int x2,const int y,const color clr1,const color clr2,const uchar w=1)

  {

   this.m_field.LineHorizontal(x1,x2,y,::ColorToARGB(clr1,this.m_alpha_bg));

   this.m_field.LineHorizontal(x1,x2,y+w,::ColorToARGB(clr2,this.m_alpha_bg));

  }

//+------------------------------------------------------------------+

//| >72@0I05B F25B A =>2>9 F25B>2>9 A>AB02;ONI59                    |

//+------------------------------------------------------------------+

color CWnd::NewColor(color base_color, int shift_red, int shift_green, int shift_blue)

  {

   double clR=0, clG=0, clB=0;

   this.ColorToRGB(base_color,clR,clG,clB);

   double clRn=(clR+shift_red  < 0 ? 0 : clR+shift_red  > 255 ? 255 : clR+shift_red);

   double clGn=(clG+shift_green< 0 ? 0 : clG+shift_green> 255 ? 255 : clG+shift_green);

   double clBn=(clB+shift_blue < 0 ? 0 : clB+shift_blue > 255 ? 255 : clB+shift_blue);

   return this.RGBToColor(clRn,clGn,clBn);

  }

//+------------------------------------------------------------------+

//| @5>1@07>20=85 RGB 2 const color                                 |

//+------------------------------------------------------------------+

color CWnd::RGBToColor(const double r,const double g,const double b)

  {

   int int_r=(int)::round(r);

   int int_g=(int)::round(g);

   int int_b=(int)::round(b);

   int clr=0;

//---

   clr=int_b;

   clr<<=8;

   clr|=int_g;

   clr<<=8;

   clr|=int_r;

//---

   return (color)clr;

  }

//+------------------------------------------------------------------+

//| >;CG5=85 7=0G5=89 :><?>=5=B>2 RGB                               |

//+------------------------------------------------------------------+

void CWnd::ColorToRGB(const color clr,double &r,double &g,double &b)

  {

   r=GetR(clr);

   g=GetG(clr);

   b=GetB(clr);

  }

//+------------------------------------------------------------------+

//| >72@0I05B =08<5=>20=85 B09<D@59<0                               |

//+------------------------------------------------------------------+

string CWnd::TimeframeToString(const ENUM_TIMEFRAMES timeframe)

  {

   return ::StringSubstr(::EnumToString(timeframe==PERIOD_CURRENT ? Period() : timeframe),7);

  }

//+------------------------------------------------------------------+

//| #AB0=02;8205B F25B0 ?0=5;8                                       |

//+------------------------------------------------------------------+

void CWnd::SetColors(const color clr_bg,const color clr_bd,const color clr_hd,const color clr_capt,const color clr_text,uchar alpha_bg=128,uchar alpha_hd=200)

  {

   this.m_color_bg=clr_bg;

   this.m_color_border=clr_bd;

   this.m_color_bg_header=clr_hd;

   this.m_color_caption=clr_capt;

   this.m_color_texts=clr_text;

   this.m_alpha_bg=alpha_bg;

   this.m_alpha_head=alpha_hd;

  }

//+------------------------------------------------------------------+





//+------------------------------------------------------------------+

//| =48:0B>@                                                        |

//+------------------------------------------------------------------+

#property indicator_chart_window

#property indicator_buffers 16

#property indicator_plots   4

//--- plot MA1

#property indicator_label1  "MA1"

#property indicator_type1   DRAW_LINE

#property indicator_color1  clrRed

#property indicator_style1  STYLE_SOLID

#property indicator_width1  1

//--- plot MA2

#property indicator_label2  "MA2"

#property indicator_type2   DRAW_LINE

#property indicator_color2  clrGreen

#property indicator_style2  STYLE_SOLID

#property indicator_width2  1

//--- plot MA3

#property indicator_label3  "MA3"

#property indicator_type3   DRAW_LINE

#property indicator_color3  clrBlue

#property indicator_style3  STYLE_SOLID

#property indicator_width3  1

//--- plot MA4

#property indicator_label4  "MA4"

#property indicator_type4   DRAW_LINE

#property indicator_color4  clrGray

#property indicator_style4  STYLE_SOLID

#property indicator_width4  1

//--- enums

enum ENUM_DATA_DIRECTIONS

  {

   DIRECT_UP,

   DIRECT_DOWN,

   DIRECT_NEUTRAL

  };

//---

enum ENUM_MA_METHOD_EXT

  {

   METHOD_SMA,          // Simple

   METHOD_EMA,          // Exponential

   METHOD_SMMA,         // Smoothed

   METHOD_LWMA,         // Linear-Weighted

   METHOD_WILDER_EMA,   // Wilder Exponential

   METHOD_SINE_WMA,     // Sine-Weighted

   METHOD_TRI_MA,       // Triangular

   METHOD_LSMA,         // Least Square

   METHOD_HMA,          // Hull MA by Alan Hull

   METHOD_ZL_EMA,       // Zero-Lag Exponential

   METHOD_ITREND_MA,    // Instantaneous Trendline by J.Ehlers

   METHOD_MOVING_MEDIAN,// Moving Median

   METHOD_GEO_MEAN,     // Geometric Mean

   METHOD_REMA,         // Regularized EMA by Chris Satchwell

   METHOD_ILRS,         // Integral of Linear Regression Slope

   METHOD_IE_2,         // Combination of LSMA and ILRS

   METHOD_TRI_MA_GEN,   // Triangular MA generalized by J.Ehlers

   METHOD_VWMA          // Volume-Weighted

  };

//---

enum ENUM_DRAW_MODE

  {

   DRAW_MODE_STEPS,  // Steps

   DRAW_MODE_SLOPE   // Slope

  };

//---

enum ENUM_INPUT_YES_NO

  {

   INPUT_YES   =  1,    // Yes

   INPUT_NO    =  0     // No

  };

//--- structures

struct SDataInd

  {

   ENUM_TIMEFRAMES      timeframe;

   double               price_close0;

   double               price_close1;

   double               price_ma_0;

   double               price_ma_1;

   ENUM_DATA_DIRECTIONS ma_direction;

   ENUM_DATA_DIRECTIONS price_direction;

   ENUM_DATA_DIRECTIONS price_ma_direction;

  };

//--- input parameters

input ENUM_TIMEFRAMES      InpTimeframe1     =  PERIOD_M15;       // First MA timeframe

input uint                 InpPeriodMA1      =  50;               // First MA period

input ENUM_MA_METHOD_EXT   InpMethod1        =  METHOD_EMA;       // First MA method

input ENUM_APPLIED_PRICE   InpAppliedPrice1  =  PRICE_CLOSE;      // First MA applied price

input ENUM_TIMEFRAMES      InpTimeframe2     =  PERIOD_H1;        // Second MA timeframe

input uint                 InpPeriodMA2      =  50;               // Second MA period

input ENUM_MA_METHOD_EXT   InpMethod2        =  METHOD_EMA;       // Second MA method

input ENUM_APPLIED_PRICE   InpAppliedPrice2  =  PRICE_CLOSE;      // Second MA applied price

input ENUM_TIMEFRAMES      InpTimeframe3     =  PERIOD_H4;        // Third MA timeframe

input uint                 InpPeriodMA3      =  50;               // Third MA period

input ENUM_MA_METHOD_EXT   InpMethod3        =  METHOD_EMA;       // Third MA method

input ENUM_APPLIED_PRICE   InpAppliedPrice3  =  PRICE_CLOSE;      // Third MA applied price

input ENUM_TIMEFRAMES      InpTimeframe4     =  PERIOD_D1;        // Fourth MA timeframe

input uint                 InpPeriodMA4      =  50;               // Fourth MA period

input ENUM_MA_METHOD_EXT   InpMethod4        =  METHOD_EMA;       // Fourth MA method

input ENUM_APPLIED_PRICE   InpAppliedPrice4  =  PRICE_CLOSE;      // Fourth MA applied price

input uint                 InpCoordX         =  10;               // Panel: X-coordinate

input uint                 InpCoordY         =  10;               // Panel: Y-coordinate

input color                InpColorPanel     =  C'200,200,200';   // Panel: Background color

input color                InpColorHeader    =  clrDarkGray;      // Panel: Header color

input color                InpColorCaption   =  clrBeige;         // Panel: Caption color

input color                InpColorLabels    =  clrSlateGray;     // Panel: Texts color

input color                InpColorSlopeUP   =  clrLimeGreen;     // Panel: Slope up-direction color

input color                InpColorSlopeDN   =  clrDarkOrange;    // Panel: Slope down-direction color

input color                InpColorAllSyncUP =  clrGreen;         // Panel: all sync up-direction color

input color                InpColorAllSyncDN =  clrRed;           // Panel: all sync down-direction color

input uchar                InpAlphaBackgrnd  =  128;              // Panel: Background opacity

input uchar                InpAlphaHeader    =  200;              // Panel: Header opacity

input ENUM_DRAW_MODE       InpDrawMode       =  DRAW_MODE_SLOPE;  // Drawing mode

input ENUM_INPUT_YES_NO    InpUseAlert       =  INPUT_YES;        // Use alerts

input uchar                InpAlertInterval  =  5;                // Alert interval (min)

//--- indicator buffers

double            BufferMA1[];

double            BufferMA2[];

double            BufferMA3[];

double            BufferMA4[];

double            BufferMA1tmp[];

double            BufferMA2tmp[];

double            BufferMA3tmp[];

double            BufferMA4tmp[];

double            BufferPrice1[];

double            BufferPrice2[];

double            BufferPrice3[];

double            BufferPrice4[];

double            BufferVol1[];

double            BufferVol2[];

double            BufferVol3[];

double            BufferVol4[];

//--- global variables

CWnd              panel;

SDataInd          data_indicator[4];

ENUM_TIMEFRAMES   timeframe1;

ENUM_TIMEFRAMES   timeframe2;

ENUM_TIMEFRAMES   timeframe3;

ENUM_TIMEFRAMES   timeframe4;

int               period_ma1;

int               period_ma2;

int               period_ma3;

int               period_ma4;

int               period_max;

int               interval;

int               handle_ma1;

int               handle_ma2;

int               handle_ma3;

int               handle_ma4;

//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int OnInit()

  {

//--- timer

   EventSetTimer(90);

//--- set global variables

   period_ma1=int(InpPeriodMA1<2 ? 2 : InpPeriodMA1);

   period_ma2=int(InpPeriodMA2<2 ? 2 : InpPeriodMA2);

   period_ma3=int(InpPeriodMA3<2 ? 2 : InpPeriodMA3);

   period_ma4=int(InpPeriodMA4<2 ? 2 : InpPeriodMA4);

   period_max=fmax(period_ma1,fmax(period_ma2,fmax(period_ma3,period_ma4)));

   interval=int(InpAlertInterval<1 ? 1 : InpAlertInterval);

   timeframe1=(InpTimeframe1>Period() ? InpTimeframe1 : Period());

   timeframe2=(InpTimeframe2>Period() ? InpTimeframe2 : Period());

   timeframe3=(InpTimeframe3>Period() ? InpTimeframe3 : Period());

   timeframe4=(InpTimeframe4>Period() ? InpTimeframe4 : Period());

   data_indicator[0].timeframe=timeframe1;

   data_indicator[1].timeframe=timeframe2;

   data_indicator[2].timeframe=timeframe3;

   data_indicator[3].timeframe=timeframe4;

//--- indicator buffers mapping

   SetIndexBuffer(0,BufferMA1,INDICATOR_DATA);

   SetIndexBuffer(1,BufferMA2,INDICATOR_DATA);

   SetIndexBuffer(2,BufferMA3,INDICATOR_DATA);

   SetIndexBuffer(3,BufferMA4,INDICATOR_DATA);

   SetIndexBuffer(4,BufferMA1tmp,INDICATOR_CALCULATIONS);

   SetIndexBuffer(5,BufferMA2tmp,INDICATOR_CALCULATIONS);

   SetIndexBuffer(6,BufferMA3tmp,INDICATOR_CALCULATIONS);

   SetIndexBuffer(7,BufferMA4tmp,INDICATOR_CALCULATIONS);

   SetIndexBuffer(8,BufferPrice1,INDICATOR_CALCULATIONS);

   SetIndexBuffer(9,BufferPrice2,INDICATOR_CALCULATIONS);

   SetIndexBuffer(10,BufferPrice3,INDICATOR_CALCULATIONS);

   SetIndexBuffer(11,BufferPrice4,INDICATOR_CALCULATIONS);

   SetIndexBuffer(12,BufferVol1,INDICATOR_CALCULATIONS);

   SetIndexBuffer(13,BufferVol2,INDICATOR_CALCULATIONS);

   SetIndexBuffer(14,BufferVol3,INDICATOR_CALCULATIONS);

   SetIndexBuffer(15,BufferVol4,INDICATOR_CALCULATIONS);

//--- setting indicator parameters

   string label=TimeframeToString(timeframe1)+","+TimeframeToString(timeframe2)+","+TimeframeToString(timeframe3)+","+TimeframeToString(timeframe4)+" Timeframes MA Overview("+(string)period_ma1+","+(string)period_ma2+","+(string)period_ma3+","+(string)period_ma4+")";

   IndicatorSetString(INDICATOR_SHORTNAME,label);

   IndicatorSetInteger(INDICATOR_DIGITS,Digits());

   IndicatorSetInteger(INDICATOR_LEVELS,2);

//--- setting plot buffer parameters

   PlotIndexSetString(0,PLOT_LABEL,TimeframeToString(timeframe1)+" "+MethodToString(InpMethod1)+"("+(string)period_ma1+")");

   PlotIndexSetString(1,PLOT_LABEL,TimeframeToString(timeframe2)+" "+MethodToString(InpMethod2)+"("+(string)period_ma2+")");

   PlotIndexSetString(2,PLOT_LABEL,TimeframeToString(timeframe3)+" "+MethodToString(InpMethod3)+"("+(string)period_ma3+")");

   PlotIndexSetString(3,PLOT_LABEL,TimeframeToString(timeframe4)+" "+MethodToString(InpMethod4)+"("+(string)period_ma4+")");

//--- setting buffer arrays as timeseries

   ArraySetAsSeries(BufferMA1,true);

   ArraySetAsSeries(BufferMA2,true);

   ArraySetAsSeries(BufferMA3,true);

   ArraySetAsSeries(BufferMA4,true);

   ArraySetAsSeries(BufferMA1tmp,true);

   ArraySetAsSeries(BufferMA2tmp,true);

   ArraySetAsSeries(BufferMA3tmp,true);

   ArraySetAsSeries(BufferMA4tmp,true);

   ArraySetAsSeries(BufferPrice1,true);

   ArraySetAsSeries(BufferPrice2,true);

   ArraySetAsSeries(BufferPrice3,true);

   ArraySetAsSeries(BufferPrice4,true);

   ArraySetAsSeries(BufferVol1,true);

   ArraySetAsSeries(BufferVol2,true);

   ArraySetAsSeries(BufferVol3,true);

   ArraySetAsSeries(BufferVol4,true);

   ResetLastError();

   handle_ma1=iMA(NULL,timeframe1,1,0,MODE_SMA,InpAppliedPrice1);

   if(handle_ma1==INVALID_HANDLE)

     {

      Print("The ",TimeframeToString(timeframe1)," iMA(1) object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

   handle_ma2=iMA(NULL,timeframe2,1,0,MODE_SMA,InpAppliedPrice2);

   if(handle_ma2==INVALID_HANDLE)

     {

      Print("The ",TimeframeToString(timeframe2)," iMA(1) object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

   handle_ma3=iMA(NULL,timeframe3,1,0,MODE_SMA,InpAppliedPrice3);

   if(handle_ma3==INVALID_HANDLE)

     {

      Print("The ",TimeframeToString(timeframe3)," iMA(1) object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

   handle_ma4=iMA(NULL,timeframe4,1,0,MODE_SMA,InpAppliedPrice4);

   if(handle_ma4==INVALID_HANDLE)

     {

      Print("The ",TimeframeToString(timeframe4)," iMA(1) object was not created: Error ",GetLastError());

      return INIT_FAILED;

     }

//--- get timeframe

   Time(NULL,timeframe1,1);

   Time(NULL,timeframe2,1);

   Time(NULL,timeframe3,1);

   Time(NULL,timeframe4,1);

//---

   int w=180,h=74;

   int x=int(!GlobalVariableCheck("Multi_Time_Frame_Overview_GVX") ? int(ChartGetInteger(0,CHART_WIDTH_IN_PIXELS)-w-InpCoordX) : GlobalVariableGet("Multi_Time_Frame_Overview_GVX"));

   int y=int(!GlobalVariableCheck("Multi_Time_Frame_Overview_GVY") ? (int)InpCoordY : GlobalVariableGet("Multi_Time_Frame_Overview_GVY"));

   panel.SetColors(InpColorPanel,clrSilver,InpColorHeader,InpColorCaption,InpColorLabels,InpAlphaBackgrnd,InpAlphaHeader);

   if(!panel.CreateWindow("MTF MA overview",x,y,w,h,true,true))

     {

      Print("Failed to create panel. Please restart the indicator");

      return INIT_FAILED;

     }

   RedrawField(data_indicator,ArraySize(data_indicator),0);

//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration function                              |

//+------------------------------------------------------------------+

int OnCalculate(const int rates_total,

                const int prev_calculated,

                const datetime &time[],

                const double &open[],

                const double &high[],

                const double &low[],

                const double &close[],

                const long &tick_volume[],

                const long &volume[],

                const int &spread[])

  {

//--- @>25@:0 :>;8G5AB20 4>ABC?=KE 10@>2

   if(rates_total<fmax(period_max,4)) return 0;

//--- @>25@:0 8 @0AGQB :>;8G5AB20 ?@>AG8BK205<KE 10@>2

   int limit=rates_total-prev_calculated;

   if(limit>1)

     {

      limit=rates_total-3;

      ArrayInitialize(BufferMA1,EMPTY_VALUE);

      ArrayInitialize(BufferMA2,EMPTY_VALUE);

      ArrayInitialize(BufferMA3,EMPTY_VALUE);

      ArrayInitialize(BufferMA4,EMPTY_VALUE);

      ArrayInitialize(BufferMA1tmp,0);

      ArrayInitialize(BufferMA2tmp,0);

      ArrayInitialize(BufferMA3tmp,0);

      ArrayInitialize(BufferMA4tmp,0);

      ArrayInitialize(BufferPrice1,0);

      ArrayInitialize(BufferPrice2,0);

      ArrayInitialize(BufferPrice3,0);

      ArrayInitialize(BufferPrice4,0);

      ArrayInitialize(BufferVol1,0);

      ArrayInitialize(BufferVol2,0);

      ArrayInitialize(BufferVol3,0);

      ArrayInitialize(BufferVol4,0);

     }

//--- >43>B>2:0 40==KE

   if(Time(NULL,timeframe1,1)==0 || Time(NULL,timeframe2,1)==0 || Time(NULL,timeframe3,1)==0 || Time(NULL,timeframe4,1)==0)

      return 0;

   

   int bars1=(timeframe1==Period() ? rates_total : Bars(NULL,timeframe1));

   int bars2=(timeframe2==Period() ? rates_total : Bars(NULL,timeframe2));

   int bars3=(timeframe3==Period() ? rates_total : Bars(NULL,timeframe3));

   int bars4=(timeframe4==Period() ? rates_total : Bars(NULL,timeframe4));

   

   int count1=(limit>1 ? fmin(bars1,rates_total) : 1);

   int copied1=CopyBuffer(handle_ma1,0,0,count1,BufferPrice1);

   if(copied1!=count1) return 0;

   

   int count2=(limit>1 ? fmin(bars2,rates_total) : 1);

   int copied2=CopyBuffer(handle_ma2,0,0,count2,BufferPrice2);

   if(copied2!=count2) return 0;

   

   int count3=(limit>1 ? fmin(bars3,rates_total) : 1);

   int copied3=CopyBuffer(handle_ma3,0,0,count3,BufferPrice3);

   if(copied3!=count3) return 0;

   

   int count4=(limit>1 ? fmin(bars4,rates_total) : 1);

   int copied4=CopyBuffer(handle_ma4,0,0,count4,BufferPrice4);

   if(copied4!=count4) return 0;

   

   for(int i=limit; i>=0 && !IsStopped(); i--)

     {

      BufferVol1[i]=(double)Volume(NULL,timeframe1,i);

      BufferVol2[i]=(double)Volume(NULL,timeframe2,i);

      BufferVol3[i]=(double)Volume(NULL,timeframe3,i);

      BufferVol4[i]=(double)Volume(NULL,timeframe4,i);

   //---  0AGQB MA1,MA2,MA3,MA4

      Calculate(rates_total,period_ma1,i,InpMethod1,BufferPrice1,BufferVol1,BufferMA1tmp);

      Calculate(rates_total,period_ma2,i,InpMethod2,BufferPrice2,BufferVol2,BufferMA2tmp);

      Calculate(rates_total,period_ma3,i,InpMethod3,BufferPrice3,BufferVol3,BufferMA3tmp);

      Calculate(rates_total,period_ma4,i,InpMethod4,BufferPrice4,BufferVol4,BufferMA4tmp);

     }

     

//---  0AGQB 8=48:0B>@0

   for(int i=limit; i>=0 && !IsStopped(); i--)

     {

      DataConversion(rates_total,NULL,timeframe1,i,BufferMA1tmp,BufferMA1,InpDrawMode);

      DataConversion(rates_total,NULL,timeframe2,i,BufferMA2tmp,BufferMA2,InpDrawMode);

      DataConversion(rates_total,NULL,timeframe3,i,BufferMA3tmp,BufferMA3,InpDrawMode);

      DataConversion(rates_total,NULL,timeframe4,i,BufferMA4tmp,BufferMA4,InpDrawMode);

     }

     

//--- 0=5;L

   int total=ArraySize(data_indicator);

   GetDataInd();

   ENUM_DATA_DIRECTIONS sync=AllSyncDirection(total,data_indicator);

   RedrawField(data_indicator,total,sync);

   

//--- ;5@B

   static datetime last_time=0;

   bool alert=false;

   if(InpUseAlert && sync!=DIRECT_NEUTRAL && (TimeCurrent()-last_time)>(interval*60))

     {

      string txt=(sync==DIRECT_UP ? "Up - Price Above MA and both MA and Price Positive" : "Down - Price Below MA and both MA and Price Negative");

      Alert(Symbol()+": ",TimeframeToString(data_indicator[0].timeframe),",",TimeframeToString(data_indicator[1].timeframe),",",TimeframeToString(data_indicator[2].timeframe),",",TimeframeToString(data_indicator[3].timeframe)," in Sync for the "+txt);

      alert=true;

     }

   if(alert)

      last_time=TimeCurrent();



//--- return value of prev_calculated for next call

   return(rates_total);

  }

//+------------------------------------------------------------------+

//| Custom indicator timer function                                  |

//+------------------------------------------------------------------+

void OnTimer()

  {

   Time(NULL,timeframe1,1);

   Time(NULL,timeframe2,1);

   Time(NULL,timeframe3,1);

   Time(NULL,timeframe4,1);

  }  

//+------------------------------------------------------------------+

//| Cart event function                                              |

//+------------------------------------------------------------------+

void OnChartEvent(const int id,

                  const long &lparam,

                  const double &dparam,

                  const string &sparam)

  {

   panel.OnChartEvent(id,lparam,dparam,sparam);

  }

//+------------------------------------------------------------------+

//| 1=>2;O5B 40==K5 ?0=5;8                                          |

//+------------------------------------------------------------------+

void RedrawField(SDataInd &data_ind[],const int total,const ENUM_DATA_DIRECTIONS sync)

  {

   #define ROW       (3)

   CCanvas* canvas=panel.GetFieldCanvas();

   if(canvas==NULL)

     {

      Print(__FUNCTION__,": Error: Canvas not available.");

      return;

     }

   canvas.Erase(ColorToARGB(panel.ColorBackground(),0));

   panel.DrawSeparateHLine(1,canvas.Width()-2,13,panel.NewColor(panel.ColorBackground(),-5,-5,-5),panel.NewColor(panel.ColorBackground(),45,45,45));

   panel.DrawSeparateVLine(50,14,canvas.Height()-2,panel.NewColor(panel.ColorBackground(),-5,-5,-5),panel.NewColor(panel.ColorBackground(),45,45,45));

   //---

   int shiftV=14,shiftH=30;

   for(int col=0;col<total;col++)

     {

      for(int row=0;row<ROW;row++)

        {

         if(row==0)

           {

            string tf=TimeframeToString(data_ind[col].timeframe);

            canvas.FontSet(panel.NameCaptionFont(),-80,FW_BLACK);

            canvas.TextOut(70+col*shiftH,0,tf,ColorToARGB(panel.ColorTexts()),TA_CENTER);

            if(col==0)

               canvas.TextOut(4,0,Symbol(),ColorToARGB(panel.ColorTexts()),TA_LEFT|TA_TOP);

           }

         if(col==0)

           {

            canvas.FontSet(panel.NameCaptionFont(),-80,FW_NORMAL);

            string txt=(row==0 ? "MA" : row==1 ? "Price" : "Price/MA");

            canvas.TextOut(4,16+row*shiftV,txt,ColorToARGB(panel.ColorTexts()));

           }

         double close0=data_ind[col].price_close0;

         double close1=data_ind[col].price_close1;

         double ma0=data_ind[col].price_ma_0;

         double ma1=data_ind[col].price_ma_1;

         canvas.FontSet(panel.NameCaptionFont(),-80,FW_NORMAL);

         string txt="";

         char shift_v=0,shift_h=0;

         color clr=InpColorLabels;

         if(row==0) txt=GetDrawingChar(ma0,ma1,shift_h,shift_v,clr,sync);

         if(row==1) txt=GetDrawingChar(close0,close1,shift_h,shift_v,clr,sync);

         if(row==2) txt=GetDrawingChar(close0,ma0,shift_h,shift_v,clr,sync);

         canvas.FontSet("Wingdings",-80,FW_BOLD);

         canvas.TextOut(70+col*shiftH+shift_h,16+row*shiftV+shift_v,txt,ColorToARGB(clr),TA_CENTER);

        }

     }

   canvas.Update(true);

  }

//+------------------------------------------------------------------+

//| >72@0I05B 7=0G5=8O 40==KE 4;O 2K2>40 =0 ?0=5;L                  |

//+------------------------------------------------------------------+

string GetDrawingChar(const double value0,const double value1,char &shift_h,char &shift_v,color &clr,ENUM_DATA_DIRECTIONS sync)

  {

   uchar code=32;

   shift_h=shift_v=0;

   clr=InpColorLabels;

   if(value0==0 || value1==0)

      return CharToString(code);

   if(value0>value1)

     {

      shift_v=0;

      shift_h=0;

      code=225;

      clr=(sync==DIRECT_UP ? InpColorAllSyncUP : InpColorSlopeUP);

     }

   else if(value0<value1)

     {

      shift_v=2;

      shift_h=-1;

      code=226;

      clr=(sync==DIRECT_DOWN ? InpColorAllSyncDN : InpColorSlopeDN);

     }

   else

     {

      shift_v=0;

      shift_h=0;

      code=224;

      clr=InpColorLabels;

     }

   return CharToString(code);

  }

//+------------------------------------------------------------------+

//| >72@0I05B D;03 A8=E@>=870F88 2A5E =0?@02;5=89                   |

//+------------------------------------------------------------------+

ENUM_DATA_DIRECTIONS AllSyncDirection(const int total,SDataInd &data_ind[])

  {

   ENUM_DATA_DIRECTIONS sync0=

     (

      (data_ind[0].ma_direction==DIRECT_UP && data_ind[0].price_direction==DIRECT_UP && data_ind[0].price_ma_direction==DIRECT_UP) ? DIRECT_UP :

      (data_ind[0].ma_direction==DIRECT_DOWN && data_ind[0].price_direction==DIRECT_DOWN && data_ind[0].price_ma_direction==DIRECT_DOWN) ? DIRECT_DOWN : DIRECT_NEUTRAL

     );

   ENUM_DATA_DIRECTIONS sync1=

     (

      (data_ind[1].ma_direction==DIRECT_UP && data_ind[1].price_direction==DIRECT_UP && data_ind[1].price_ma_direction==DIRECT_UP) ? DIRECT_UP :

      (data_ind[1].ma_direction==DIRECT_DOWN && data_ind[1].price_direction==DIRECT_DOWN && data_ind[1].price_ma_direction==DIRECT_DOWN) ? DIRECT_DOWN : DIRECT_NEUTRAL

     );

   ENUM_DATA_DIRECTIONS sync2=

     (

      (data_ind[2].ma_direction==DIRECT_UP && data_ind[2].price_direction==DIRECT_UP && data_ind[2].price_ma_direction==DIRECT_UP) ? DIRECT_UP :

      (data_ind[2].ma_direction==DIRECT_DOWN && data_ind[2].price_direction==DIRECT_DOWN && data_ind[2].price_ma_direction==DIRECT_DOWN) ? DIRECT_DOWN : DIRECT_NEUTRAL

     );

   ENUM_DATA_DIRECTIONS sync3=

     (

      (data_ind[3].ma_direction==DIRECT_UP && data_ind[3].price_direction==DIRECT_UP && data_ind[3].price_ma_direction==DIRECT_UP) ? DIRECT_UP :

      (data_ind[3].ma_direction==DIRECT_DOWN && data_ind[3].price_direction==DIRECT_DOWN && data_ind[3].price_ma_direction==DIRECT_DOWN) ? DIRECT_DOWN : DIRECT_NEUTRAL

     );

   return

     (

      ((sync0==DIRECT_UP) &&

       (sync1==DIRECT_UP) &&

       (sync2==DIRECT_UP) &&

       (sync3==DIRECT_UP)) ? DIRECT_UP :

      

      ((sync0==DIRECT_DOWN) &&

       (sync1==DIRECT_DOWN) &&

       (sync2==DIRECT_DOWN) &&

       (sync3==DIRECT_DOWN)) ? DIRECT_DOWN : DIRECT_NEUTRAL

     );

  }

//+------------------------------------------------------------------+

//| Transfering data from the source timeframe to current timeframe  |

//+------------------------------------------------------------------+

void DataConversion(const int rates_total,

                    const string symbol_name,

                    const ENUM_TIMEFRAMES timeframe_src,

                    const int shift,

                    const double &buffer_src[],

                    double &buffer_dest[],

                    ENUM_DRAW_MODE mode=DRAW_MODE_STEPS

                   )

  {

   if(timeframe_src==Period())

     {

      buffer_dest[shift]=buffer_src[shift];

      return;

     }

   int bar_curr=BarToCurrent(symbol_name,timeframe_src,shift);

   if(bar_curr>rates_total-1)

      return;

   int bar_prev=BarToCurrent(symbol_name,timeframe_src,shift+1);

   int bar_next=(shift>0 ? BarToCurrent(symbol_name,timeframe_src,shift-1) : 0);

   if(bar_prev==WRONG_VALUE || bar_curr==WRONG_VALUE || bar_next==WRONG_VALUE)

      return;

   buffer_dest[bar_curr]=buffer_src[shift];

   if(mode==DRAW_MODE_STEPS)

      for(int j=bar_curr; j>=bar_next; j--)

         buffer_dest[j]=buffer_dest[bar_curr];

   else

     {

      if(bar_prev>rates_total-1) return;

      for(int j=bar_prev; j>=bar_curr; j--)

         buffer_dest[j]=EquationDirect(bar_prev,buffer_dest[bar_prev],bar_curr,buffer_dest[bar_curr],j);

      if(shift==0)

         for(int j=bar_curr; j>=0; j--)

            buffer_dest[j]=buffer_dest[bar_curr];

     }

  }

//+------------------------------------------------------------------+

//| >;CG5=85 40==KE 8=48:0B>@0                                      |

//+------------------------------------------------------------------+

void GetDataInd(void)

  {

   int total=ArraySize(data_indicator);

   for(int i=0;i<total;i++)

     {

      ENUM_TIMEFRAMES tf=PERIOD_CURRENT;

      double ma0=0,ma1=0,pr0=0,pr1=0;

      switch(i)

        {

         case 0 : tf=timeframe1; ma0=BufferMA1tmp[0]; ma1=BufferMA1tmp[1]; break;

         case 1 : tf=timeframe2; ma0=BufferMA2tmp[0]; ma1=BufferMA2tmp[1]; break;

         case 2 : tf=timeframe3; ma0=BufferMA3tmp[0]; ma1=BufferMA3tmp[1]; break;

         default: tf=timeframe4; ma0=BufferMA4tmp[0]; ma1=BufferMA4tmp[1]; break;

        }

      pr0=Close(NULL,tf,0);

      pr1=Close(NULL,tf,1);

      data_indicator[i].timeframe=tf;

      data_indicator[i].price_close0=pr0;

      data_indicator[i].price_close1=pr1;

      data_indicator[i].price_ma_0=ma0;

      data_indicator[i].price_ma_1=ma1;

      data_indicator[i].ma_direction=(ma0>ma1 ? DIRECT_UP : ma0<ma1 ? DIRECT_DOWN : DIRECT_NEUTRAL);

      data_indicator[i].price_direction=(pr0>pr1 ? DIRECT_UP : pr0<pr1 ? DIRECT_DOWN : DIRECT_NEUTRAL);

      data_indicator[i].price_ma_direction=(pr0>ma0 ? DIRECT_UP : pr0<ma0 ? DIRECT_DOWN : DIRECT_NEUTRAL);

     }

  }

//+------------------------------------------------------------------+

//| >72@0I05B 10@ 7040==>3> B09<D@59<0 :0: 10@ B5:CI53> B09<D@59<0  |

//+------------------------------------------------------------------+

int BarToCurrent(const string symbol_name,const ENUM_TIMEFRAMES timeframe_src,const int shift,bool exact=false)

  {

   datetime time=Time(symbol_name,timeframe_src,shift);

   return(time!=0 ? BarShift(symbol_name,Period(),time,exact) : WRONG_VALUE);

  }  

//+------------------------------------------------------------------+

//| >72@0I05B A<5I5=85 10@0 ?> 2@5<5=8                              |

//| https://www.mql5.com/ru/forum/743/page11#comment_7010041         |

//+------------------------------------------------------------------+

int BarShift(const string symbol_name,const ENUM_TIMEFRAMES timeframe,const datetime time,bool exact=false)

  {

   int res=Bars(symbol_name,timeframe,time+1,UINT_MAX);

   if(exact) if((timeframe!=PERIOD_MN1 || time>TimeCurrent()) && res==Bars(symbol_name,timeframe,time-PeriodSeconds(timeframe)+1,UINT_MAX)) return(WRONG_VALUE);

   return res;

  }

//+------------------------------------------------------------------+

//| >72@0I05B Time                                                  |

//+------------------------------------------------------------------+

datetime Time(const string symbol_name,const ENUM_TIMEFRAMES timeframe,const int shift)

  {

   datetime array[];

   ArraySetAsSeries(array,true);

   return(CopyTime(symbol_name,timeframe,shift,1,array)==1 ? array[0] : 0);

  }

//+------------------------------------------------------------------+

//| >72@0I05B Volume                                                |

//+------------------------------------------------------------------+

long Volume(const string symbol_name,const ENUM_TIMEFRAMES timeframe,const int shift)

  {

   long array[];

   ArraySetAsSeries(array,true);

   return(CopyTickVolume(symbol_name,timeframe,shift,1,array)==1 ? array[0] : 0);

  }

//+------------------------------------------------------------------+

//| >72@0I05B Close                                                 |

//+------------------------------------------------------------------+

double Close(const string symbol_name,const ENUM_TIMEFRAMES timeframe,const int shift)

  {

   double array[];

   ArraySetAsSeries(array,true);

   return(CopyClose(symbol_name,timeframe,shift,1,array)==1 ? array[0] : 0);

  }

//+------------------------------------------------------------------+

//| #@02=5=85 ?@O<>9                                                 |

//+------------------------------------------------------------------+

double EquationDirect(const int left_bar,const double left_price,const int right_bar,const double right_price,const int bar_to_search) 

  {

   return(right_bar==left_bar ? left_price : (right_price-left_price)/(right_bar-left_bar)*(bar_to_search-left_bar)+left_price);

  }

//+------------------------------------------------------------------+

//| Timeframe to string                                              |

//+------------------------------------------------------------------+

string TimeframeToString(const ENUM_TIMEFRAMES timeframe)

  {

   return StringSubstr(EnumToString(timeframe==PERIOD_CURRENT ? Period() : timeframe),7);

  }

//+------------------------------------------------------------------+

//| Simple Moving Average                                            |

//+------------------------------------------------------------------+

double SMA(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return array_src[shift];

   double sum=0;

   for(int i=0; i<period; i++)

      sum+=array_src[shift+i];

   return(sum/period);

  }

//+------------------------------------------------------------------+

//| Exponential Moving Average                                       |

//+------------------------------------------------------------------+

double EMA(const int rates_total,const double price,const double prev,const int period,const int shift)

  {

   return(shift>=rates_total-2 || period<1 ? price : prev+2.0/(1+period)*(price-prev));

  }

//+------------------------------------------------------------------+

//| Wilder Exponential Moving Average                                |

//+------------------------------------------------------------------+

double Wilder(const int rates_total,const double price,const double prev,const int period,const int shift)

  {

   return(shift>=rates_total-2 || period<1 ? price : prev+(price-prev)/period);

  }

//+------------------------------------------------------------------+

//| Linear Weighted Moving Average                                   |

//+------------------------------------------------------------------+

double LWMA(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double sum=0;

   double weight=0;

   for(int i=0; i<period; i++)

     {

      weight+=(period-i);

      sum+=array_src[shift+i]*(period-i);

     }

   return(weight>0 ? sum/weight : 0);

  }

//+------------------------------------------------------------------+

//| Sine Weighted Moving Average                                     |

//+------------------------------------------------------------------+

double SineWMA(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double sum=0;

   double weight=0;

   for(int i=0; i<period; i++)

     {

      weight+=sin(M_PI*(i+1)/(period+1));

      sum+=array_src[shift+i]*sin(M_PI*(i+1)/(period+1));

     }

   return(weight>0 ? sum/weight : 0);

  }

//+------------------------------------------------------------------+

//| Triangular Moving Average                                        |

//+------------------------------------------------------------------+

double TriMA(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double sma;

   int len=(int)ceil((period+1)*0.5);

   double sum=0;

   for(int i=0; i<len; i++)

     {

      sma=SMA(rates_total,array_src,len,shift+i);

      sum+=sma;

     }

   double trima=sum/len;

   return(trima);

  }

//+------------------------------------------------------------------+

//| Least Square Moving Average                                      |

//+------------------------------------------------------------------+

double LSMA(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double sum=0;

   for(int i=period; i>=1; i--)

      sum+=(i-(period+1)/3.0)*array_src[shift+period-i];

   double lsma=sum*6.0/(period*(period+1));

   return(lsma);

  }

//+------------------------------------------------------------------+

//| Smoothed Moving Average                                          |

//+------------------------------------------------------------------+

double SMMA(const int rates_total,const double &array_src[],const double prev,const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double smma=0;

   if(shift==rates_total-period-1)

      smma=SMA(rates_total,array_src,period,shift);

   else if(shift<rates_total-period-1)

     {

      double sum=0;

      for(int i = 0; i<period; i++)

         sum+=array_src[shift+i+1];

      smma=(sum-prev+array_src[shift])/period;

     }

   return smma;

  }

//+------------------------------------------------------------------+

//| Hull Moving Average by Alan Hull                                 |

//+------------------------------------------------------------------+

double HMA(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double tmp1[];

   double hma=0;

   int len=(int)sqrt(period);

   ArrayResize(tmp1,len);

   if(shift==rates_total-period-1)

      hma=array_src[shift];

   else if(shift<rates_total-period-1)

     {

      for(int i=0; i<len; i++)

         tmp1[i]=2.0*LWMA(rates_total,array_src,period/2,shift+i)-LWMA(rates_total,array_src,period,shift+i);

      hma=LWMA(rates_total,tmp1,len,0);

     }

   return hma;

  }

//+------------------------------------------------------------------+

//| Zero-Lag Exponential Moving Average                              |

//+------------------------------------------------------------------+

double ZeroLagEMA(const int rates_total,const double &array_src[],const double prev,const int period,const int shift)

  {

   double alfa=2.0/(1+period);

   int lag=int(0.5*(period-1));

   return(shift>=rates_total-lag ? array_src[shift] : alfa*(2.0*array_src[shift]-array_src[shift+lag])+(1-alfa)*prev);

  }

//+------------------------------------------------------------------+

//| Instantaneous Trendline by J.Ehlers                              |

//+------------------------------------------------------------------+

double ITrend(const int rates_total,const double &array_src[],const double &array[],const int period,const int shift)

  {

   double alfa=2.0/(period+1);

   return

     (

      shift<rates_total-7 ?

      (alfa-0.25*alfa*alfa)*array_src[shift]+0.5*alfa*alfa*array_src[shift+1]-(alfa-0.75*alfa*alfa)*array_src[shift+2]+2*(1-alfa)*array[shift+1]-(1-alfa)*(1-alfa)*array[shift+2]:

      (array_src[shift]+2*array_src[shift+1]+array_src[shift+2])/4.0

     );

  }

//+------------------------------------------------------------------+

//| Moving Median                                                    |

//+------------------------------------------------------------------+

double Median(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<2 || shift>rates_total-period-1)

      return 0;

   double array[];

   ArrayResize(array,period);

   for(int i=0; i<period; i++)

      array[i]=array_src[shift+i];

   ArraySort(array);

   int num=(int)round((period-1)/2);

   return(fmod(period,2)>0 ? array_src[num] : 0.5*(array_src[num]+array[num+1]));

  }

//+------------------------------------------------------------------+

//| Geometric Mean                                                   |

//+------------------------------------------------------------------+

double GeoMean(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   double gmean=0;

   if(shift<rates_total-period)

     {

      gmean=pow(array_src[shift],1.0/period);

      for(int i=1; i<period; i++)

         gmean*=pow(array_src[shift+i],1.0/period);

     }

   return(gmean);

  }

//+------------------------------------------------------------------+

//| Regularized EMA by Chris Satchwell                               |

//+------------------------------------------------------------------+

double REMA(const int rates_total,const double price,const double &array[],const int period,const double lambda,const int shift)

  {

   double alpha=2.0/(period+1);

   return(shift>=rates_total-3 ? price : (array[shift+1]*(1+2*lambda)+alpha*(price-array[shift+1])-lambda*array[shift+2])/(1+lambda));

  }

//+------------------------------------------------------------------+

//| Integral of Linear Regression Slope                              |

//+------------------------------------------------------------------+

double ILRS(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double sum=period*(period-1)*0.5;

   double sum2=(period-1)*period*(2*period-1)/6.0;

   double sum1=0;

   double sumy=0;

   for(int i=0; i<period; i++)

     {

      sum1+=i*array_src[shift+i];

      sumy+=array_src[shift+i];

     }

   double num1=period*sum1-sum*sumy;

   double num2=sum*sum-period*sum2;

   double slope=(num2!=0 ? num1/num2 : 0);

   return(slope+SMA(rates_total,array_src,period,shift));

  }

//+------------------------------------------------------------------+

//| Combination of LSMA and ILRS                                     |

//+------------------------------------------------------------------+

double IE2(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   return(0.5*(ILRS(rates_total,array_src,period,shift)+LSMA(rates_total,array_src,period,shift)));

  }

//+------------------------------------------------------------------+

//| Triangular Moving Average generalized by J.Ehlers                |

//+------------------------------------------------------------------+

double TriMA_gen(const int rates_total,const double &array_src[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   int len1=(int)floor((period+1)*0.5);

   int len2=(int)ceil((period+1)*0.5);

   double sum=0;

   for(int i=0; i<len2; i++)

      sum+=SMA(rates_total,array_src,len1,shift+i);

   return(sum/len2);

  }

//+------------------------------------------------------------------+

//| Volume-Weighted Moving Average                                   |

//+------------------------------------------------------------------+

template<typename T>

double VWMA(const int rates_total,const double &array_src[],const T &volume[],const int period,const int shift)

  {

   if(period<1 || shift>rates_total-period-1)

      return 0;

   double sum=0;

   double weight=0;

   for(int i=0; i<period; i++)

     {

      weight+=(double)volume[shift+i];

      sum+=array_src[shift+i]*volume[shift+i];

     }

   return(weight>0 ? sum/weight : 0);

  }

//+------------------------------------------------------------------+

//| >72@0I05B =08<5=>20=85 <5B>40                                 |

//+------------------------------------------------------------------+

string MethodToString(ENUM_MA_METHOD_EXT method)

  {

   switch(method)

     {

      case METHOD_EMA            :  return "EMA";

      case METHOD_SMMA           :  return "SMMA";

      case METHOD_LWMA           :  return "LWMA";

      case METHOD_WILDER_EMA     :  return "WMA";

      case METHOD_SINE_WMA       :  return "SinMA";

      case METHOD_TRI_MA         :  return "TriMA";

      case METHOD_LSMA           :  return "LSMA";

      case METHOD_HMA            :  return "HMA";

      case METHOD_ZL_EMA         :  return "ZLMA";

      case METHOD_ITREND_MA      :  return "ITrendMA";

      case METHOD_MOVING_MEDIAN  :  return "Median";

      case METHOD_GEO_MEAN       :  return "GeoMean";

      case METHOD_REMA           :  return "REMA";

      case METHOD_ILRS           :  return "ILRS";

      case METHOD_IE_2           :  return "IE2";

      case METHOD_TRI_MA_GEN     :  return "TriMAgen";

      case METHOD_VWMA           :  return "VWMA";

      default                    :  return "SMA";

     }

  }

//+------------------------------------------------------------------+

//| >72@0I05B =08<5=>20=85 F5=K                                     |

//+------------------------------------------------------------------+

string PriceToString(ENUM_APPLIED_PRICE price)

  { 

   return StringSubstr(EnumToString(price),6); 

  }

//+------------------------------------------------------------------+

//|  0AGQB                                                         |

//+------------------------------------------------------------------+

void Calculate(const int rates_total,const int period,const int shift,const ENUM_MA_METHOD_EXT method,const double &price[],const double &volume[],double &buffer_ma[])

  {

   switch(method)

     {

      case METHOD_EMA            : buffer_ma[shift] = EMA(rates_total,price[shift],buffer_ma[shift+1],period,shift);    break;

      case METHOD_SMMA           : buffer_ma[shift] = SMMA(rates_total,price,buffer_ma[shift+1],period,shift);          break;

      case METHOD_LWMA           : buffer_ma[shift] = LWMA(rates_total,price,period,shift);                             break;

      case METHOD_WILDER_EMA     : buffer_ma[shift] = Wilder(rates_total,price[shift],buffer_ma[shift+1],period,shift); break;

      case METHOD_SINE_WMA       : buffer_ma[shift] = SineWMA(rates_total,price,period,shift);                          break;

      case METHOD_TRI_MA         : buffer_ma[shift] = TriMA(rates_total,price,period,shift);                            break;

      case METHOD_LSMA           : buffer_ma[shift] = LSMA(rates_total,price,period,shift);                             break;

      case METHOD_HMA            : buffer_ma[shift] = HMA(rates_total,price,period,shift);                              break;

      case METHOD_ZL_EMA         : buffer_ma[shift] = ZeroLagEMA(rates_total,price,buffer_ma[shift+1],period,shift);    break;

      case METHOD_ITREND_MA      : buffer_ma[shift] = ITrend(rates_total,price,buffer_ma,period,shift);                 break;

      case METHOD_MOVING_MEDIAN  : buffer_ma[shift] = Median(rates_total,price,period,shift);                           break;

      case METHOD_GEO_MEAN       : buffer_ma[shift] = GeoMean(rates_total,price,period,shift);                          break;

      case METHOD_REMA           : buffer_ma[shift] = REMA(rates_total,price[shift],buffer_ma,period,0.5,shift);        break;

      case METHOD_ILRS           : buffer_ma[shift] = ILRS(rates_total,price,period,shift);                             break;

      case METHOD_IE_2           : buffer_ma[shift] = IE2(rates_total,price,period,shift);                              break;

      case METHOD_TRI_MA_GEN     : buffer_ma[shift] = TriMA_gen(rates_total,price,period,shift);                        break;

      case METHOD_VWMA           : buffer_ma[shift] = VWMA(rates_total,price,volume,period,shift);                      break;

      default /*METHOD_SMA*/     : buffer_ma[shift] = SMA(rates_total,price,period,shift);                              break;

     }

  }

//+------------------------------------------------------------------+
Multi_Time_Frame_Overview

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