//+------------------------------------------------------------------+
//|                                              ArrowLeftButton.mqh |
//|                                  Copyright 2022, MetaQuotes Ltd. |
//|                             https://mql5.com/en/users/artmedia70 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2022, MetaQuotes Ltd."
#property link      "https://mql5.com/en/users/artmedia70"
#property version   "1.00"
#property strict    // Necessary for mql4
//+------------------------------------------------------------------+
//| Include files                                                    |
//+------------------------------------------------------------------+
#include "ArrowButton.mqh"
//+------------------------------------------------------------------+
//| Left Arrow Button object class of WForms controls                |
//+------------------------------------------------------------------+
class CArrowLeftButton : public CArrowButton
  {
private:

protected:
   //--- Draw the arrow
   virtual void      DrawArrow(void);
//--- Protected constructor with object type, chart ID and subwindow
                     CArrowLeftButton(const ENUM_GRAPH_ELEMENT_TYPE type,
                                      CGCnvElement *main_obj,CGCnvElement *base_obj,
                                      const long chart_id,
                                      const int subwindow,
                                      const string descript,
                                      const int x,
                                      const int y,
                                      const int w,
                                      const int h);
public:
//--- Constructor
                     CArrowLeftButton(CGCnvElement *main_obj,CGCnvElement *base_obj,
                                      const long chart_id,
                                      const int subwindow,
                                      const string descript,
                                      const int x,
                                      const int y,
                                      const int w,
                                      const int h);
  };
//+------------------------------------------------------------------+
//| Protected constructor with an object type,                       |
//| chart ID and subwindow                                           |
//+------------------------------------------------------------------+
CArrowLeftButton::CArrowLeftButton(const ENUM_GRAPH_ELEMENT_TYPE type,
                                   CGCnvElement *main_obj,CGCnvElement *base_obj,
                                   const long chart_id,
                                   const int subwindow,
                                   const string descript,
                                   const int x,
                                   const int y,
                                   const int w,
                                   const int h) : CArrowButton(type,main_obj,base_obj,chart_id,subwindow,descript,x,y,w,h)
  {
//--- Set the specified graphical element type for the object and the size of the drawn arrow to 3
   this.SetTypeElement(type);
   this.SetProperty(CANV_ELEMENT_PROP_BUTTON_ARROW_SIZE,3);
  }
//+------------------------------------------------------------------+
//| Constructor indicating the main and base objects,                |
//| chart ID and subwindow                                           |
//+------------------------------------------------------------------+
CArrowLeftButton::CArrowLeftButton(CGCnvElement *main_obj,CGCnvElement *base_obj,
                                   const long chart_id,
                                   const int subwindow,
                                   const string descript,
                                   const int x,
                                   const int y,
                                   const int w,
                                   const int h) : CArrowButton(GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_LEFT,main_obj,base_obj,chart_id,subwindow,descript,x,y,w,h)
  {
   this.SetTypeElement(GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_LEFT);
   this.SetProperty(CANV_ELEMENT_PROP_BUTTON_ARROW_SIZE,3);
  }
//+------------------------------------------------------------------+
//| Draw the arrow                                                   |
//+------------------------------------------------------------------+
void CArrowLeftButton::DrawArrow(void)
  {
   CGCnvElement::DrawArrowLeft(this.Width()/2+1,this.Height()/2,(int)this.GetProperty(CANV_ELEMENT_PROP_BUTTON_ARROW_SIZE),this.ForeColor(),this.Opacity());
  }
//+------------------------------------------------------------------+
