520 lines
40 KiB
MQL5
520 lines
40 KiB
MQL5
//+------------------------------------------------------------------+
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//| Point Value Calculator.mq5 |
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//| Copyright © 2018, Amr Ali |
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//| https://www.mql5.com/en/users/amrali |
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//+------------------------------------------------------------------+
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#define VERSION "2.85"
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#property copyright "Copyright © 2018, Amr Ali"
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#property link "https://www.mql5.com/en/users/amrali"
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#property version VERSION
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#property description "Calculate the money value of one point change for a trade."
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//+------------------------------------------------------------------+
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#include <Arrays\ArrayString.mqh>
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#include <Controls\Dialog.mqh>
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#include <Controls\Button.mqh>
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#include <Controls\Edit.mqh>
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#include <Controls\Label.mqh>
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#include <Controls\ComboBox.mqh>
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#include <Trade\AccountInfo.mqh>
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#include <Trade\SymbolInfo.mqh>
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#include "SpinEditDouble.mqh"
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#include "Functions.mqh"
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//+------------------------------------------------------------------+
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//| defines |
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//+------------------------------------------------------------------+
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//--- indents and gaps
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#define INDENT_LEFT (11) // indent from left (with allowance for border width)
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#define INDENT_TOP (11) // indent from top (with allowance for border width)
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#define CONTROLS_GAP_X (20) // gap by X coordinate
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#define CONTROLS_GAP_Y (10) // gap by Y coordinate
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//--- for buttons
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#define BUTTON_WIDTH (240) // size by X coordinate
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#define BUTTON_HEIGHT (27) // size by Y coordinate
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//--- for the indication area
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#define EDIT_WIDTH (110) // size by X coordinate
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#define EDIT_HEIGHT (27) // size by Y coordinate
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#define LABEL_HEIGHT (10) // size by Y coordinate
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//+------------------------------------------------------------------+
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//| Class CControlsDialog |
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//| Usage: main dialog of the Controls application |
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//+------------------------------------------------------------------+
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class CControlsDialog : public CAppDialog
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{
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private:
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CLabel m_lbl_symbol;
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CLabel m_lbl_volume;
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CLabel m_lbl_currency;
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CLabel m_lbl_pointsize;
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CLabel m_lbl_ordertype;
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CLabel m_lbl_lotsize;
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CLabel m_lbl_pointvalue;
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CComboBox m_symbol; // the dropdown list object
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CComboBox m_ordertype; // the dropdown list object
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CSpinEditDouble m_volume; // the display field object
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CEdit m_currency; // the display field object
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CEdit m_pointsize; // the display field object
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CEdit m_pointvalue; // the display field object
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CEdit m_lotsize; // the display field object
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CButton m_calculate; // the button object
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CAccountInfo m_account;
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CSymbolInfo m_sym;
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int m_font_size; // object font size
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public:
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CControlsDialog(void);
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~CControlsDialog(void);
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//--- create
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virtual bool Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2);
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//--- chart event handler
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virtual bool OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
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protected:
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//--- create dependent controls
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bool CreateControlSymbol(void);
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bool CreateControlVolume(void);
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bool CreateControlCurrency(void);
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bool CreateControlPointSize(void);
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bool CreateControlOrderType(void);
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bool CreateControLotSize(void);
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bool CreateControlCalculate(void);
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bool CreateControlPointValue(void);
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//--- handlers of the dependent controls events
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virtual void OnClickButtonClose(void);
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void OnChangeComboSymbol(void);
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void OnClickButtonCalculate(void);
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};
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//+------------------------------------------------------------------+
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//| Event Handling |
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//+------------------------------------------------------------------+
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EVENT_MAP_BEGIN(CControlsDialog)
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ON_EVENT(ON_CHANGE,m_symbol,OnChangeComboSymbol)
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ON_EVENT(ON_CLICK,m_calculate,OnClickButtonCalculate)
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EVENT_MAP_END(CAppDialog)
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CControlsDialog::CControlsDialog(void)
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{
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m_sym.Name(Symbol());
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CControlsDialog::~CControlsDialog(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create |
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//+------------------------------------------------------------------+
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bool CControlsDialog::Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2)
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{
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if(!CAppDialog::Create(chart,name,subwin,x1,y1,x2,y2))
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return(false);
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//--- scale controls font size to screen dpi
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double screen_dpi=(double)TerminalInfoInteger(TERMINAL_SCREEN_DPI);
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m_font_size=(int)MathRound(CONTROLS_FONT_SIZE * 96.0 / screen_dpi);
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//--- create dependent controls
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if(!CreateControlSymbol())
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return(false);
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if(!CreateControlVolume())
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return(false);
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if(!CreateControlCurrency())
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return(false);
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if(!CreateControlPointSize())
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return(false);
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if(!CreateControlOrderType())
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return(false);
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if(!CreateControLotSize())
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return(false);
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if(!CreateControlCalculate())
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return(false);
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if(!CreateControlPointValue())
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_symbol" combo box |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlSymbol(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT;
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int y1=INDENT_TOP;
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_symbol.Create(m_chart_id,m_name+"m_lbl_symbol",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_symbol.Text("Symbol:"))
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return(false);
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if(!m_lbl_symbol.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_symbol))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_symbol.Create(m_chart_id,m_name+"m_symbol",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!Add(m_symbol))
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return(false);
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//--- fill out with market watch symbols
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int total=SymbolsTotal(true);
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CArrayString array;
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array.Sort();
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for(int i=0; i<total; i++)
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if(!array.InsertSort(SymbolName(i,true)))
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return(false);
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for(int i=0; i<total; i++)
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if(!m_symbol.ItemAdd(array.At(i)))
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return(false);
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if(!m_symbol.Select(0))
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return(false);
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if(!m_symbol.SelectByText(Symbol()))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_volume" edit |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlVolume(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT+(EDIT_WIDTH+CONTROLS_GAP_X);
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int y1=INDENT_TOP;
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_volume.Create(m_chart_id,m_name+"m_lbl_volume",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_volume.Text("Trade size (in lots):"))
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return(false);
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if(!m_lbl_volume.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_volume))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_volume.Create(m_chart_id,m_name+"m_volume",m_subwin,x1,y1,x2,y2))
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return(false);
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m_volume.SetParameters(1.00,m_sym.LotsMin(),m_sym.LotsMax(),10*m_sym.LotsStep(),GetDigits(m_sym.LotsStep()));
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if(!m_volume.GetEditPointer().FontSize(m_font_size))
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return(false);
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if(!Add(m_volume))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_currency" edit |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlCurrency(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT;
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int y1=INDENT_TOP+(LABEL_HEIGHT+EDIT_HEIGHT+CONTROLS_GAP_Y*2);
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_currency.Create(m_chart_id,m_name+"m_lbl_currency",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_currency.Text("Account currency:"))
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return(false);
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if(!m_lbl_currency.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_currency))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_currency.Create(m_chart_id,m_name+"m_currency",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_currency.ReadOnly(true))
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return(false);
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if(!m_currency.Text(m_account.Currency()))
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return(false);
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if(!m_currency.ColorBackground(clrGainsboro))
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return(false);
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if(!m_currency.FontSize(m_font_size))
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return(false);
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if(!Add(m_currency))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_pointsize" edit |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlPointSize(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT+(EDIT_WIDTH+CONTROLS_GAP_X);
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int y1=INDENT_TOP+(LABEL_HEIGHT+EDIT_HEIGHT+CONTROLS_GAP_Y*2);
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_pointsize.Create(m_chart_id,m_name+"m_lbl_pointsize",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_pointsize.Text("Point size:"))
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return(false);
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if(!m_lbl_pointsize.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_pointsize))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_pointsize.Create(m_chart_id,m_name+"m_pointsize",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_pointsize.ReadOnly(true))
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return(false);
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if(!m_pointsize.Text(DoubleToString(m_sym.Point(),m_sym.Digits())))
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return(false);
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if(!m_pointsize.ColorBackground(clrGainsboro))
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return(false);
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if(!m_pointsize.FontSize(m_font_size))
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return(false);
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if(!Add(m_pointsize))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_ordertype" combo box |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlOrderType(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT;
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int y1=INDENT_TOP+(LABEL_HEIGHT*2+EDIT_HEIGHT*2+CONTROLS_GAP_Y*4);
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_ordertype.Create(m_chart_id,m_name+"m_lbl_ordertype",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_ordertype.Text("Order type:"))
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return(false);
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if(!m_lbl_ordertype.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_ordertype))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_ordertype.Create(m_chart_id,m_name+"m_ordertype",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!Add(m_ordertype))
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return(false);
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//--- fill out with order types
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string items[2]= {"Buy / Long","Sell / Short"};
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for(int i=0; i<2; i++)
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if(!m_ordertype.ItemAdd(items[i]))
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return(false);
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if(!m_ordertype.Select(0))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_lotsize" edit |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControLotSize(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT+(EDIT_WIDTH+CONTROLS_GAP_X);
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int y1=INDENT_TOP+(LABEL_HEIGHT*2+EDIT_HEIGHT*2+CONTROLS_GAP_Y*4);
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_lotsize.Create(m_chart_id,m_name+"m_lbl_lotsize",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_lotsize.Text("Units/lot:"))
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return(false);
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if(!m_lbl_lotsize.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_lotsize))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lotsize.Create(m_chart_id,m_name+"m_lotsize",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lotsize.ReadOnly(true))
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return(false);
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if(!m_lotsize.Text(FormatDouble(m_sym.ContractSize(),0)))
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return(false);
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if(!m_lotsize.ColorBackground(clrGainsboro))
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return(false);
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if(!m_lotsize.FontSize(m_font_size))
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return(false);
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if(!Add(m_lotsize))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_calculate" button |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlCalculate(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT;
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int y1=INDENT_TOP+(LABEL_HEIGHT*4+EDIT_HEIGHT*3+CONTROLS_GAP_Y*6);
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int x2=x1+BUTTON_WIDTH;
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int y2=y1+BUTTON_HEIGHT;
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//--- create
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if(!m_calculate.Create(m_chart_id,m_name+"m_calculate",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_calculate.Text("Calculate"))
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return(false);
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if(!m_calculate.FontSize(m_font_size))
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return(false);
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if(!Add(m_calculate))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "m_pointvalue" edit |
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//+------------------------------------------------------------------+
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bool CControlsDialog::CreateControlPointValue(void)
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{
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//--- coordinates
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int x1=INDENT_LEFT;
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int y1=INDENT_TOP+(LABEL_HEIGHT*4+EDIT_HEIGHT*3+BUTTON_HEIGHT+CONTROLS_GAP_Y*8);
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int x2=x1+EDIT_WIDTH;
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int y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_lbl_pointvalue.Create(m_chart_id,m_name+"m_lbl_pointvalue",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_lbl_pointvalue.Text("Point value: ("+m_account.Currency()+")"))
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return(false);
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if(!m_lbl_pointvalue.FontSize(m_font_size))
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return(false);
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if(!Add(m_lbl_pointvalue))
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return(false);
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//--- coordinates
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y1=y1+(LABEL_HEIGHT+CONTROLS_GAP_Y);
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x2=x1+BUTTON_WIDTH;
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y2=y1+EDIT_HEIGHT;
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//--- create
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if(!m_pointvalue.Create(m_chart_id,m_name+"m_pointvalue",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_pointvalue.ReadOnly(true))
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return(false);
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if(!m_pointvalue.TextAlign(ALIGN_CENTER))
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return(false);
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if(!m_pointvalue.Color(clrGreen))
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return(false);
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if(!m_pointvalue.Font("Arial Bold"))
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return(false);
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if(!m_pointvalue.FontSize(m_font_size+1))
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return(false);
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if(!ObjectSetString(m_chart_id,m_name+"m_pointvalue",OBJPROP_TOOLTIP,"The profit/loss for the trade, in account currency, per one point change in price."))
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return(false);
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if(!Add(m_pointvalue))
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return(false);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Event handler |
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//+------------------------------------------------------------------+
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void CControlsDialog::OnClickButtonClose(void)
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{
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string text="Do you want to remove the program from the chart?";
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int mb_res=MessageBox(text,NULL,MB_YESNO|MB_ICONQUESTION);
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if(mb_res==IDYES)
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{
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CAppDialog::OnClickButtonClose();
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}
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}
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//+------------------------------------------------------------------+
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//| Event handler |
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//+------------------------------------------------------------------+
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void CControlsDialog::OnChangeComboSymbol(void)
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{
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const string symbol=m_symbol.Select();
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//---
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m_sym.Name(symbol);
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m_volume.SetParameters(m_volume.Value(),m_sym.LotsMin(),m_sym.LotsMax(),10*m_sym.LotsStep(),GetDigits(m_sym.LotsStep()));
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m_pointsize.Text(DoubleToString(m_sym.Point(),m_sym.Digits()));
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|
m_lotsize.Text(FormatDouble(m_sym.ContractSize(),0));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Event handler |
|
|
//+------------------------------------------------------------------+
|
|
void CControlsDialog::OnClickButtonCalculate(void)
|
|
{
|
|
const string symbol=m_symbol.Select();
|
|
const double volume=m_volume.Value();
|
|
const long order_type=m_ordertype.Value();
|
|
//---
|
|
double PointValue=mPointValue(symbol,(bool)order_type);
|
|
double PointValueLots=PointValue*volume;
|
|
//---
|
|
m_pointvalue.Text(DoubleToString(PointValueLots,5));
|
|
m_pointvalue.Color((order_type>0)?clrRed:clrGreen);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Global Variables |
|
|
//+------------------------------------------------------------------+
|
|
CControlsDialog ExtDialog;
|
|
//+------------------------------------------------------------------+
|
|
//| Expert initialization function |
|
|
//+------------------------------------------------------------------+
|
|
int OnInit()
|
|
{
|
|
//--- create application dialog
|
|
if(!ExtDialog.Create(0,"Point Value Calculator v"+VERSION,0,100,100,374,432))
|
|
return(INIT_FAILED);
|
|
//--- read the previous state of the program
|
|
ExtDialog.IniFileLoad();
|
|
//--- run application
|
|
ExtDialog.Run();
|
|
//--- succeed
|
|
return(INIT_SUCCEEDED);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Expert deinitialization function |
|
|
//+------------------------------------------------------------------+
|
|
void OnDeinit(const int reason)
|
|
{
|
|
//--- destroy dialog
|
|
ExtDialog.Destroy(reason);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Expert chart event function |
|
|
//+------------------------------------------------------------------+
|
|
void OnChartEvent(const int id, // event ID
|
|
const long& lparam, // event parameter of the long type
|
|
const double& dparam, // event parameter of the double type
|
|
const string& sparam) // event parameter of the string type
|
|
{
|
|
//--- disable automatic minimization on chart change.
|
|
if(id==CHARTEVENT_CHART_CHANGE)
|
|
if(ChartGetInteger(0,CHART_HEIGHT_IN_PIXELS)<ExtDialog.Height())
|
|
return;
|
|
ExtDialog.ChartEvent(id,lparam,dparam,sparam);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
|
|
// https://www.forexpeacearmy.com/tools/forex-calculator
|
|
// https://www.fxpro.com/trading-tools/calculators/all-in-one
|