335 lines
15 KiB
MQL5
335 lines
15 KiB
MQL5
 | //+------------------------------------------------------------------+
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//| ChartObjectsLines.mqh |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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//| All lines. |
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//+------------------------------------------------------------------+
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#include "ChartObject.mqh"
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//+------------------------------------------------------------------+
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//| Class CChartObjectVLine. |
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//| Purpose: Class of the "Vertical line" object of chart. |
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//| Derives from class CChartObject. |
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//+------------------------------------------------------------------+
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class CChartObjectVLine : public CChartObject
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{
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public:
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CChartObjectVLine(void);
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~CChartObjectVLine(void);
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,const datetime time);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_VLINE); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectVLine::CChartObjectVLine(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectVLine::~CChartObjectVLine(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Vertical line" |
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//+------------------------------------------------------------------+
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bool CChartObjectVLine::Create(long chart_id,const string name,const int window,const datetime time)
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{
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if(!ObjectCreate(chart_id,name,OBJ_VLINE,window,time,0.0))
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return(false);
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if(!Attach(chart_id,name,window,1))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectHLine. |
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//| Purpose: Class of the "Horizontal line" object of chart. |
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//| Derives from class CChartObject. |
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//+------------------------------------------------------------------+
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class CChartObjectHLine : public CChartObject
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{
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public:
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CChartObjectHLine(void);
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~CChartObjectHLine(void);
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,const double price);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_HLINE); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectHLine::CChartObjectHLine(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectHLine::~CChartObjectHLine(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Horizontal line" |
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//+------------------------------------------------------------------+
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bool CChartObjectHLine::Create(long chart_id,const string name,const int window,const double price)
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{
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if(!ObjectCreate(chart_id,name,OBJ_HLINE,window,0,price))
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return(false);
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if(!Attach(chart_id,name,window,1))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectTrend. |
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//| Purpose: Class of the "Trendline" object of chart. |
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//| Derives from class CChartObject. |
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//| It is the parent class for all objects that have properties |
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//| RAY_LEFT and RAY_RIGHT. |
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//+------------------------------------------------------------------+
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class CChartObjectTrend : public CChartObject
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{
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public:
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CChartObjectTrend(void);
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~CChartObjectTrend(void);
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//--- methods of access to properties of the object
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bool RayLeft(void) const;
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bool RayLeft(const bool new_sel) const;
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bool RayRight(void) const;
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bool RayRight(const bool new_sel) const;
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_TREND); }
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//--- methods for working with files
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virtual bool Save(const int file_handle);
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virtual bool Load(const int file_handle);
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectTrend::CChartObjectTrend(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectTrend::~CChartObjectTrend(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Trendline" |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2)
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{
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if(!ObjectCreate(chart_id,name,OBJ_TREND,window,time1,price1,time2,price2))
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return(false);
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if(!Attach(chart_id,name,window,2))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Get the "Ray left" flag |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::RayLeft(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT));
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}
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//+------------------------------------------------------------------+
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//| Set the "Ray left" flag |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::RayLeft(const bool new_ray) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT,new_ray));
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}
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//+------------------------------------------------------------------+
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//| Get the "Ray right" flag |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::RayRight(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT));
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}
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//+------------------------------------------------------------------+
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//| Set the "Ray right" flag |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::RayRight(const bool new_ray) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT,new_ray));
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}
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//+------------------------------------------------------------------+
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//| Writing parameters of object to file |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::Save(const int file_handle)
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{
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//--- check
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if(file_handle==INVALID_HANDLE || m_chart_id==-1)
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return(false);
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//--- write
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if(!CChartObject::Save(file_handle))
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return(false);
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//--- write value of the "Ray left" property
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if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT),CHAR_VALUE)!=sizeof(char))
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return(false);
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//--- write value of the "Ray right" property
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if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT),CHAR_VALUE)!=sizeof(char))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Reading parameters of object from file |
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//+------------------------------------------------------------------+
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bool CChartObjectTrend::Load(const int file_handle)
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{
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//--- check
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if(file_handle==INVALID_HANDLE || m_chart_id==-1)
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return(false);
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//--- read
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if(!CChartObject::Load(file_handle))
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return(false);
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//--- read value of the "Ray left" property
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if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT,FileReadInteger(file_handle,CHAR_VALUE)))
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return(false);
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//--- read value of the "Ray right" property
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if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT,FileReadInteger(file_handle,CHAR_VALUE)))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectTrendByAngle. |
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//| Puprose: Class of the "Trendline by angle" object of chart. |
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//| Derives from class CChartObjectTrend. |
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//+------------------------------------------------------------------+
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class CChartObjectTrendByAngle : public CChartObjectTrend
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{
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public:
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CChartObjectTrendByAngle(void);
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~CChartObjectTrendByAngle(void);
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//--- methods of access to properties of the object
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double Angle(void) const;
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bool Angle(const double angle) const;
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_TRENDBYANGLE); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectTrendByAngle::CChartObjectTrendByAngle(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectTrendByAngle::~CChartObjectTrendByAngle(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Trendline by angle" |
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//+------------------------------------------------------------------+
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bool CChartObjectTrendByAngle::Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2)
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{
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if(!ObjectCreate(chart_id,name,OBJ_TRENDBYANGLE,window,time1,price1,time2,price2))
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return(false);
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if(!Attach(chart_id,name,window,2))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Get the "Angle" property |
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//+------------------------------------------------------------------+
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double CChartObjectTrendByAngle::Angle(void) const
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{
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//--- check
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if(m_chart_id==-1)
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return(EMPTY_VALUE);
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//---
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return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_ANGLE));
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}
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//+------------------------------------------------------------------+
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//| Set the "Angle" property |
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//+------------------------------------------------------------------+
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bool CChartObjectTrendByAngle::Angle(const double angle) const
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{
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//--- check
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if(m_chart_id==-1)
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return(false);
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//--- result
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return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_ANGLE,angle));
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}
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//+------------------------------------------------------------------+
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//| Class CChartObjectCycles. |
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//| Purpose: Class of the "Cycle lines" object of chart. |
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//| Derives from class CChartObject. |
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//+------------------------------------------------------------------+
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class CChartObjectCycles : public CChartObject
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{
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public:
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CChartObjectCycles(void);
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~CChartObjectCycles(void);
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//--- method of creating the object
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bool Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2);
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//--- method of identifying the object
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virtual int Type(void) const { return(OBJ_CYCLES); }
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CChartObjectCycles::CChartObjectCycles(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CChartObjectCycles::~CChartObjectCycles(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create object "Cycle lines" |
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//+------------------------------------------------------------------+
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bool CChartObjectCycles::Create(long chart_id,const string name,const int window,
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const datetime time1,const double price1,
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const datetime time2,const double price2)
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{
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if(!ObjectCreate(chart_id,name,OBJ_CYCLES,window,time1,price1,time2,price2))
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return(false);
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if(!Attach(chart_id,name,window,2))
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return(false);
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//--- successful
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return(true);
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}
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//+------------------------------------------------------------------+
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