//+------------------------------------------------------------------+
//|                                            ScrollBarVertical.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 "..\Containers\Container.mqh"
#include "..\Common Controls\Button.mqh"
#include "ArrowDownButton.mqh"
#include "ArrowUpButton.mqh"
#include "ScrollBar.mqh"
//+------------------------------------------------------------------+
//| CScrollBarVertical object class of WForms controls               |
//+------------------------------------------------------------------+
class CScrollBarVertical : public CScrollBar
  {
private:
//--- Create the ArrowButton objects
   virtual void      CreateArrowButtons(const int width,const int height);
//--- Calculate the capture area size
   virtual int       CalculateThumbAreaSize(void);

protected:
//--- Protected constructor with object type, chart ID and subwindow
                     CScrollBarVertical(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:
//--- Supported object properties (1) integer, (2) real and (3) string ones
   virtual bool      SupportProperty(ENUM_CANV_ELEMENT_PROP_INTEGER property) { return true; }
   virtual bool      SupportProperty(ENUM_CANV_ELEMENT_PROP_DOUBLE property)  { return true; }
   virtual bool      SupportProperty(ENUM_CANV_ELEMENT_PROP_STRING property)  { return true; }
   
//--- Constructor
                     CScrollBarVertical(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);
//--- Timer
   virtual void      OnTimer(void);
  };
//+------------------------------------------------------------------+
//| Protected constructor with an object type,                       |
//| chart ID and subwindow                                           |
//+------------------------------------------------------------------+
CScrollBarVertical::CScrollBarVertical(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) : CScrollBar(type,main_obj,base_obj,chart_id,subwindow,descript,x,y,w,h)
  {
//--- Set the specified graphical element type for the object and assign the library object type to the current object
   this.SetTypeElement(type);
   this.CreateThumbArea();
  }
//+------------------------------------------------------------------+
//| Constructor indicating the main and base objects,                |
//| chart ID and subwindow                                           |
//+------------------------------------------------------------------+
CScrollBarVertical::CScrollBarVertical(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) : CScrollBar(GRAPH_ELEMENT_TYPE_WF_SCROLL_BAR_VERTICAL,main_obj,base_obj,chart_id,subwindow,descript,x,y,w,h)
  {
   this.SetTypeElement(GRAPH_ELEMENT_TYPE_WF_SCROLL_BAR_VERTICAL);
   this.CreateThumbArea();
  }
//+------------------------------------------------------------------+
//| Create the ArrowButton objects                                   |
//+------------------------------------------------------------------+
void CScrollBarVertical::CreateArrowButtons(const int width,const int height)
  {
   this.CreateNewElement(GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_UP,  -1,0,                   width,height,this.BackgroundColor(),255,true,false);
   this.CreateNewElement(GRAPH_ELEMENT_TYPE_WF_ARROW_BUTTON_DOWN,-1,this.Height()-2*height,width,height,this.BackgroundColor(),255,true,false);
   this.CreateNewElement(GRAPH_ELEMENT_TYPE_WF_BUTTON,0,this.Height()/2-height,width,height,CLR_DEF_CONTROL_SCROLL_BAR_THUMB_COLOR,255,true,false);
  }
//+------------------------------------------------------------------+
//| Calculate the capture area size                                  |
//+------------------------------------------------------------------+
int CScrollBarVertical::CalculateThumbAreaSize(void)
  {
   return 0;
  }
//+------------------------------------------------------------------+
//| Timer                                                            |
//+------------------------------------------------------------------+
void CScrollBarVertical::OnTimer(void)
  {

  }
//+------------------------------------------------------------------+
