147 lines
6.6 KiB
MQL5
147 lines
6.6 KiB
MQL5
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//+------------------------------------------------------------------+
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//| Button.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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#include "WndObj.mqh"
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#include <ChartObjects\ChartObjectsTxtControls.mqh>
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//+------------------------------------------------------------------+
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//| Class CButton |
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//| Usage: control that is displayed by |
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//| the CChartObjectButton object |
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//+------------------------------------------------------------------+
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class CButton : public CWndObj
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{
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private:
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CChartObjectButton m_button; // chart object
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public:
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CButton(void);
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~CButton(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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//--- state
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bool Pressed(void) const { return(m_button.State()); }
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bool Pressed(const bool pressed) { return(m_button.State(pressed)); }
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//--- properties
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bool Locking(void) const { return(IS_CAN_LOCK); }
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void Locking(const bool flag);
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protected:
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//--- handlers of object settings
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virtual bool OnSetText(void) { return(m_button.Description(m_text)); }
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virtual bool OnSetColor(void) { return(m_button.Color(m_color)); }
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virtual bool OnSetColorBackground(void) { return(m_button.BackColor(m_color_background)); }
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virtual bool OnSetColorBorder(void) { return(m_button.BorderColor(m_color_border)); }
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virtual bool OnSetFont(void) { return(m_button.Font(m_font)); }
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virtual bool OnSetFontSize(void) { return(m_button.FontSize(m_font_size)); }
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//--- internal event handlers
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virtual bool OnCreate(void);
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virtual bool OnShow(void);
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virtual bool OnHide(void);
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virtual bool OnMove(void);
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virtual bool OnResize(void);
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//--- <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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virtual bool OnMouseDown(void);
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virtual bool OnMouseUp(void);
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};
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CButton::CButton(void)
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{
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m_color =CONTROLS_BUTTON_COLOR;
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m_color_background=CONTROLS_BUTTON_COLOR_BG;
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m_color_border =CONTROLS_BUTTON_COLOR_BORDER;
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}
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//+------------------------------------------------------------------+
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//| Destructor |
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//+------------------------------------------------------------------+
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CButton::~CButton(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Create a control |
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//+------------------------------------------------------------------+
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bool CButton::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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//--- call method of the parent class
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if(!CWndObj::Create(chart,name,subwin,x1,y1,x2,y2))
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return(false);
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//--- create the chart object
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if(!m_button.Create(chart,name,subwin,x1,y1,Width(),Height()))
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return(false);
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//--- call the settings handler
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return(OnChange());
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}
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//+------------------------------------------------------------------+
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//| Locking flag |
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//+------------------------------------------------------------------+
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void CButton::Locking(const bool flag)
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{
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if(flag)
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PropFlagsSet(WND_PROP_FLAG_CAN_LOCK);
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else
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PropFlagsReset(WND_PROP_FLAG_CAN_LOCK);
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}
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//+------------------------------------------------------------------+
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//| Create object on chart |
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//+------------------------------------------------------------------+
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bool CButton::OnCreate(void)
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{
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//--- create the chart object by previously set parameters
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return(m_button.Create(m_chart_id,m_name,m_subwin,m_rect.left,m_rect.top,m_rect.Width(),m_rect.Height()));
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}
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//+------------------------------------------------------------------+
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//| Display object on chart |
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//+------------------------------------------------------------------+
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bool CButton::OnShow(void)
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{
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return(m_button.Timeframes(OBJ_ALL_PERIODS));
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}
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//+------------------------------------------------------------------+
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//| Hide object from chart |
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//+------------------------------------------------------------------+
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bool CButton::OnHide(void)
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{
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return(m_button.Timeframes(OBJ_NO_PERIODS));
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}
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//+------------------------------------------------------------------+
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//| Absolute movement of the chart object |
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//+------------------------------------------------------------------+
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bool CButton::OnMove(void)
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{
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//--- position the chart object
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return(m_button.X_Distance(m_rect.left) && m_button.Y_Distance(m_rect.top));
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}
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//+------------------------------------------------------------------+
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//| Resize the chart object |
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//+------------------------------------------------------------------+
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bool CButton::OnResize(void)
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{
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//--- resize the chart object
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return(m_button.X_Size(m_rect.Width()) && m_button.Y_Size(m_rect.Height()));
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}
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//+------------------------------------------------------------------+
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//| Handler of click on the left mouse button |
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//+------------------------------------------------------------------+
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bool CButton::OnMouseDown(void)
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{
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if(!IS_CAN_LOCK)
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Pressed(!Pressed());
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//--- call of the method of the parent class
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return(CWnd::OnMouseDown());
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}
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//+------------------------------------------------------------------+
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//| Handler of click on the left mouse button |
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//+------------------------------------------------------------------+
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bool CButton::OnMouseUp(void)
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{
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//--- depress the button if it is not fixed
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if(m_button.State() && !IS_CAN_LOCK)
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m_button.State(false);
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//--- call of the method of the parent class
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return(CWnd::OnMouseUp());
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}
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//+------------------------------------------------------------------+
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