188 lines
8.5 KiB
MQL5
188 lines
8.5 KiB
MQL5
//+------------------------------------------------------------------+
|
|
//| Edit.mqh |
|
|
//| Copyright 2000-2025, MetaQuotes Ltd. |
|
|
//| https://www.mql5.com |
|
|
//+------------------------------------------------------------------+
|
|
#include "WndObj.mqh"
|
|
#include <ChartObjects\ChartObjectsTxtControls.mqh>
|
|
//+------------------------------------------------------------------+
|
|
//| Class CEdit |
|
|
//| Usage: control that is displayed by |
|
|
//| the CChartObjectEdit object |
|
|
//+------------------------------------------------------------------+
|
|
class CEdit : public CWndObj
|
|
{
|
|
private:
|
|
CChartObjectEdit m_edit; // chart object
|
|
//--- parameters of the chart object
|
|
bool m_read_only; // "read-only" mode flag
|
|
ENUM_ALIGN_MODE m_align_mode; // align mode
|
|
|
|
public:
|
|
CEdit(void);
|
|
~CEdit(void);
|
|
//--- create
|
|
virtual bool Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2);
|
|
//--- chart event handler
|
|
virtual bool OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
|
|
//--- parameters of the chart object
|
|
bool ReadOnly(void) const { return(m_read_only); }
|
|
bool ReadOnly(const bool flag);
|
|
ENUM_ALIGN_MODE TextAlign(void) const { return(m_align_mode); }
|
|
bool TextAlign(const ENUM_ALIGN_MODE align);
|
|
//--- data access
|
|
string Text(void) const { return(m_edit.Description()); }
|
|
bool Text(const string value) { return(CWndObj::Text(value)); }
|
|
|
|
protected:
|
|
//--- handlers of object events
|
|
virtual bool OnObjectEndEdit(void);
|
|
//--- handlers of object settings
|
|
virtual bool OnSetText(void) { return(m_edit.Description(m_text)); }
|
|
virtual bool OnSetColor(void) { return(m_edit.Color(m_color)); }
|
|
virtual bool OnSetColorBackground(void) { return(m_edit.BackColor(m_color_background)); }
|
|
virtual bool OnSetColorBorder(void) { return(m_edit.BorderColor(m_color_border)); }
|
|
virtual bool OnSetFont(void) { return(m_edit.Font(m_font)); }
|
|
virtual bool OnSetFontSize(void) { return(m_edit.FontSize(m_font_size)); }
|
|
virtual bool OnSetZOrder(void) { return(m_edit.Z_Order(m_zorder)); }
|
|
//--- internal event handlers
|
|
virtual bool OnCreate(void);
|
|
virtual bool OnShow(void);
|
|
virtual bool OnHide(void);
|
|
virtual bool OnMove(void);
|
|
virtual bool OnResize(void);
|
|
virtual bool OnChange(void);
|
|
virtual bool OnClick(void);
|
|
};
|
|
//+------------------------------------------------------------------+
|
|
//| Common handler of chart events |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam)
|
|
{
|
|
if(m_name==sparam && id==CHARTEVENT_OBJECT_ENDEDIT)
|
|
return(OnObjectEndEdit());
|
|
//--- event was not handled
|
|
return(CWndObj::OnEvent(id,lparam,dparam,sparam));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Constructor |
|
|
//+------------------------------------------------------------------+
|
|
CEdit::CEdit(void) : m_read_only(false),
|
|
m_align_mode(ALIGN_LEFT)
|
|
{
|
|
m_color =CONTROLS_EDIT_COLOR;
|
|
m_color_background=CONTROLS_EDIT_COLOR_BG;
|
|
m_color_border =CONTROLS_EDIT_COLOR_BORDER;
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Destructor |
|
|
//+------------------------------------------------------------------+
|
|
CEdit::~CEdit(void)
|
|
{
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Create a control |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2)
|
|
{
|
|
//--- call method of the parent class
|
|
if(!CWndObj::Create(chart,name,subwin,x1,y1,x2,y2))
|
|
return(false);
|
|
//--- create the chart object
|
|
if(!m_edit.Create(chart,name,subwin,x1,y1,Width(),Height()))
|
|
return(false);
|
|
//--- call the settings handler
|
|
return(OnChange());
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Set parameter |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::ReadOnly(const bool flag)
|
|
{
|
|
//--- save new value of parameter
|
|
m_read_only=flag;
|
|
//--- set up the chart object
|
|
return(m_edit.ReadOnly(flag));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Set parameter |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::TextAlign(const ENUM_ALIGN_MODE align)
|
|
{
|
|
//--- save new value of parameter
|
|
m_align_mode=align;
|
|
//--- set up the chart object
|
|
return(m_edit.TextAlign(align));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Create object on chart |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnCreate(void)
|
|
{
|
|
//--- create the chart object by previously set parameters
|
|
return(m_edit.Create(m_chart_id,m_name,m_subwin,m_rect.left,m_rect.top,m_rect.Width(),m_rect.Height()));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Display object on chart |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnShow(void)
|
|
{
|
|
return(m_edit.Timeframes(OBJ_ALL_PERIODS));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Hide object from chart |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnHide(void)
|
|
{
|
|
return(m_edit.Timeframes(OBJ_NO_PERIODS));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Absolute movement of the chart object |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnMove(void)
|
|
{
|
|
//--- position the chart object
|
|
return(m_edit.X_Distance(m_rect.left) && m_edit.Y_Distance(m_rect.top));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Resize the chart object |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnResize(void)
|
|
{
|
|
//--- resize the chart object
|
|
return(m_edit.X_Size(m_rect.Width()) && m_edit.Y_Size(m_rect.Height()));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Set up the chart object |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnChange(void)
|
|
{
|
|
//--- set up the chart object
|
|
return(CWndObj::OnChange() && ReadOnly(m_read_only) && TextAlign(m_align_mode));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Handler of the "End of editing" event |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnObjectEndEdit(void)
|
|
{
|
|
//--- send the ON_END_EDIT notification
|
|
EventChartCustom(CONTROLS_SELF_MESSAGE,ON_END_EDIT,m_id,0.0,m_name);
|
|
//--- handled
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Handler of the "click" event |
|
|
//+------------------------------------------------------------------+
|
|
bool CEdit::OnClick(void)
|
|
{
|
|
//--- if editing is enabled, send the ON_START_EDIT notification
|
|
if(!m_read_only)
|
|
{
|
|
EventChartCustom(CONTROLS_SELF_MESSAGE,ON_START_EDIT,m_id,0.0,m_name);
|
|
//--- handled
|
|
return(true);
|
|
}
|
|
//--- else send the ON_CLICK notification
|
|
return(CWnd::OnClick());
|
|
}
|
|
//+------------------------------------------------------------------+
|