971 lines
37 KiB
MQL5
971 lines
37 KiB
MQL5
//+------------------------------------------------------------------+
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//| Dialog.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 "WndContainer.mqh"
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#include "WndClient.mqh"
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#include "Panel.mqh"
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#include "Edit.mqh"
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#include "BmpButton.mqh"
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#include <Charts\Chart.mqh>
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//+------------------------------------------------------------------+
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//| Resources |
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//+------------------------------------------------------------------+
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#resource "res\\Close.bmp"
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#resource "res\\Restore.bmp"
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#resource "res\\Turn.bmp"
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//+------------------------------------------------------------------+
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//| Class CDialog |
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//| Usage: base class to create dialog boxes |
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//| and indicator panels |
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//+------------------------------------------------------------------+
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class CDialog : public CWndContainer
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{
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private:
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//--- dependent controls
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CPanel m_white_border; // the "white border" object
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CPanel m_background; // the background object
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CEdit m_caption; // the window title object
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CBmpButton m_button_close; // the "Close" button object
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CWndClient m_client_area; // the client area object
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protected:
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//--- flags
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bool m_panel_flag; // the "panel in a separate window" flag
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//--- flags
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bool m_minimized; // "create in minimized state" flag
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//--- additional areas
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CRect m_min_rect; // minimal area coordinates
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CRect m_norm_rect; // normal area coordinates
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public:
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CDialog(void);
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~CDialog(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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//--- chart event handler
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virtual bool OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
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//--- set up
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string Caption(void) const { return(m_caption.Text()); }
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bool Caption(const string text) { return(m_caption.Text(text)); }
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//--- fill
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bool Add(CWnd *control);
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bool Add(CWnd &control);
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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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protected:
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//--- create dependent controls
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virtual bool CreateWhiteBorder(void);
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virtual bool CreateBackground(void);
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virtual bool CreateCaption(void);
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virtual bool CreateButtonClose(void);
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virtual bool CreateClientArea(void);
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//--- handlers of the dependent controls events
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virtual void OnClickCaption(void);
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virtual void OnClickButtonClose(void);
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//--- access properties of caption
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void CaptionAlignment(const int flags,const int left,const int top,const int right,const int bottom)
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{ m_caption.Alignment(flags,left,top,right,bottom); }
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//--- access properties of client area
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bool ClientAreaVisible(const bool visible) { return(m_client_area.Visible(visible)); }
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int ClientAreaLeft(void) const { return(m_client_area.Left()); }
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int ClientAreaTop(void) const { return(m_client_area.Top()); }
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int ClientAreaRight(void) const { return(m_client_area.Right()); }
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int ClientAreaBottom(void) const { return(m_client_area.Bottom()); }
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int ClientAreaWidth(void) const { return(m_client_area.Width()); }
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int ClientAreaHeight(void) const { return(m_client_area.Height()); }
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//--- handlers of drag
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virtual bool OnDialogDragStart(void);
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virtual bool OnDialogDragProcess(void);
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virtual bool OnDialogDragEnd(void);
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};
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//+------------------------------------------------------------------+
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//| Common handler of events |
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//+------------------------------------------------------------------+
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EVENT_MAP_BEGIN(CDialog)
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ON_EVENT(ON_CLICK,m_button_close,OnClickButtonClose)
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ON_EVENT(ON_CLICK,m_caption,OnClickCaption)
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ON_EVENT(ON_DRAG_START,m_caption,OnDialogDragStart)
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ON_EVENT_PTR(ON_DRAG_PROCESS,m_drag_object,OnDialogDragProcess)
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ON_EVENT_PTR(ON_DRAG_END,m_drag_object,OnDialogDragEnd)
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EVENT_MAP_END(CWndContainer)
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CDialog::CDialog(void) : m_panel_flag(false),
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m_minimized(false)
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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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CDialog::~CDialog(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 CDialog::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 parent class
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if(!CWndContainer::Create(chart,name,subwin,x1,y1,x2,y2))
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return(false);
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//--- create dependent controls
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if(!m_panel_flag && !CreateWhiteBorder())
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return(false);
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if(!CreateBackground())
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return(false);
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if(!CreateCaption())
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return(false);
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if(!CreateButtonClose())
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return(false);
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if(!CreateClientArea())
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return(false);
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//--- set up additional areas
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m_norm_rect.SetBound(m_rect);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Add control to the client area (by pointer) |
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//+------------------------------------------------------------------+
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bool CDialog::Add(CWnd *control)
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{
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return(m_client_area.Add(control));
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}
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//+------------------------------------------------------------------+
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//| Add control to the client area (by reference) |
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//+------------------------------------------------------------------+
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bool CDialog::Add(CWnd &control)
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{
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return(m_client_area.Add(control));
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}
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//+------------------------------------------------------------------+
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//| Save |
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//+------------------------------------------------------------------+
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bool CDialog::Save(const int file_handle)
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{
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//--- check
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if(file_handle==INVALID_HANDLE)
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return(false);
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//--- save
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FileWriteStruct(file_handle,m_norm_rect);
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FileWriteInteger(file_handle,m_min_rect.left);
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FileWriteInteger(file_handle,m_min_rect.top);
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FileWriteInteger(file_handle,m_minimized);
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//--- result
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return(CWndContainer::Save(file_handle));
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}
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//+------------------------------------------------------------------+
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//| Load |
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//+------------------------------------------------------------------+
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bool CDialog::Load(const int file_handle)
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{
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if(file_handle==INVALID_HANDLE)
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return(false);
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//--- load
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if(!FileIsEnding(file_handle))
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{
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FileReadStruct(file_handle,m_norm_rect);
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int left=FileReadInteger(file_handle);
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int top=FileReadInteger(file_handle);
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m_min_rect.Move(left,top);
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m_minimized=FileReadInteger(file_handle);
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}
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//--- result
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return(CWndContainer::Load(file_handle));
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}
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//+------------------------------------------------------------------+
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//| Create "white border" |
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//+------------------------------------------------------------------+
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bool CDialog::CreateWhiteBorder(void)
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{
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//--- coordinates
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int x1=0;
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int y1=0;
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int x2=Width();
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int y2=Height();
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//--- create
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if(!m_white_border.Create(m_chart_id,m_name+"Border",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_white_border.ColorBackground(CONTROLS_DIALOG_COLOR_BG))
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return(false);
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if(!m_white_border.ColorBorder(CONTROLS_DIALOG_COLOR_BORDER_LIGHT))
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return(false);
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if(!CWndContainer::Add(m_white_border))
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return(false);
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m_white_border.Alignment(WND_ALIGN_CLIENT,0,0,0,0);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create background |
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//+------------------------------------------------------------------+
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bool CDialog::CreateBackground(void)
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{
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int off=(m_panel_flag) ? 0:CONTROLS_BORDER_WIDTH;
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//--- coordinates
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int x1=off;
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int y1=off;
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int x2=Width()-off;
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int y2=Height()-off;
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//--- create
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if(!m_background.Create(m_chart_id,m_name+"Back",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_background.ColorBackground(CONTROLS_DIALOG_COLOR_BG))
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return(false);
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color border=(m_panel_flag) ? CONTROLS_DIALOG_COLOR_BG : CONTROLS_DIALOG_COLOR_BORDER_DARK;
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if(!m_background.ColorBorder(border))
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return(false);
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if(!CWndContainer::Add(m_background))
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return(false);
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m_background.Alignment(WND_ALIGN_CLIENT,off,off,off,off);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create window title |
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//+------------------------------------------------------------------+
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bool CDialog::CreateCaption(void)
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{
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int off=(m_panel_flag) ? 0:2*CONTROLS_BORDER_WIDTH;
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//--- coordinates
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int x1=off;
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int y1=off;
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int x2=Width()-off;
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int y2=y1+CONTROLS_DIALOG_CAPTION_HEIGHT;
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//--- create
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if(!m_caption.Create(m_chart_id,m_name+"Caption",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_caption.Color(CONTROLS_DIALOG_COLOR_CAPTION_TEXT))
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return(false);
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if(!m_caption.ColorBackground(CONTROLS_DIALOG_COLOR_BG))
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return(false);
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if(!m_caption.ColorBorder(CONTROLS_DIALOG_COLOR_BG))
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return(false);
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if(!m_caption.ReadOnly(true))
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return(false);
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if(!m_caption.Text(m_name))
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return(false);
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if(!CWndContainer::Add(m_caption))
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return(false);
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m_caption.Alignment(WND_ALIGN_WIDTH,off,0,off,0);
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if(!m_panel_flag)
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m_caption.PropFlags(WND_PROP_FLAG_CAN_DRAG);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create the "Close" button |
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//+------------------------------------------------------------------+
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bool CDialog::CreateButtonClose(void)
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{
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int off=(m_panel_flag) ? 0 : 2*CONTROLS_BORDER_WIDTH;
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//--- coordinates
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int x1=Width()-off-(CONTROLS_BUTTON_SIZE+CONTROLS_DIALOG_BUTTON_OFF);
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int y1=off+CONTROLS_DIALOG_BUTTON_OFF;
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int x2=x1+CONTROLS_BUTTON_SIZE;
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int y2=y1+CONTROLS_BUTTON_SIZE;
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//--- create
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if(!m_button_close.Create(m_chart_id,m_name+"Close",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_button_close.BmpNames("::res\\Close.bmp"))
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return(false);
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if(!CWndContainer::Add(m_button_close))
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return(false);
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m_button_close.Alignment(WND_ALIGN_RIGHT,0,0,off+CONTROLS_DIALOG_BUTTON_OFF,0);
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//--- change caption
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CaptionAlignment(WND_ALIGN_WIDTH,off,0,off+(CONTROLS_BUTTON_SIZE+CONTROLS_DIALOG_BUTTON_OFF),0);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Create client area |
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//+------------------------------------------------------------------+
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bool CDialog::CreateClientArea(void)
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{
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int off=(m_panel_flag) ? 0:2*CONTROLS_BORDER_WIDTH;
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//--- coordinates
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int x1=off+CONTROLS_DIALOG_CLIENT_OFF;
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int y1=off+CONTROLS_DIALOG_CAPTION_HEIGHT;
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int x2=Width()-(off+CONTROLS_DIALOG_CLIENT_OFF);
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int y2=Height()-(off+CONTROLS_DIALOG_CLIENT_OFF);
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//--- create
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if(!m_client_area.Create(m_chart_id,m_name+"Client",m_subwin,x1,y1,x2,y2))
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return(false);
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if(!m_client_area.ColorBackground(CONTROLS_DIALOG_COLOR_CLIENT_BG))
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return(false);
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if(!m_client_area.ColorBorder(CONTROLS_DIALOG_COLOR_CLIENT_BORDER))
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return(false);
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CWndContainer::Add(m_client_area);
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m_client_area.Alignment(WND_ALIGN_CLIENT,x1,y1,x1,x1);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Handler of click on the window title |
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//+------------------------------------------------------------------+
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void CDialog::OnClickCaption(void)
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{
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}
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//+------------------------------------------------------------------+
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//| Handler of click on the "Close" button |
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//+------------------------------------------------------------------+
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void CDialog::OnClickButtonClose(void)
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{
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Visible(false);
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}
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//+------------------------------------------------------------------+
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//| Start dragging the dialog box |
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//+------------------------------------------------------------------+
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bool CDialog::OnDialogDragStart(void)
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{
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if(m_drag_object==NULL)
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{
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m_drag_object=new CDragWnd;
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if(m_drag_object==NULL)
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return(false);
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}
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//--- calculate coordinates
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int x1=Left()-CONTROLS_DRAG_SPACING;
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int y1=Top()-CONTROLS_DRAG_SPACING;
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int x2=Right()+CONTROLS_DRAG_SPACING;
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int y2=Bottom()+CONTROLS_DRAG_SPACING;
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//--- create
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m_drag_object.Create(m_chart_id,"",m_subwin,x1,y1,x2,y2);
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m_drag_object.PropFlags(WND_PROP_FLAG_CAN_DRAG);
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//--- constraints
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CChart chart;
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chart.Attach(m_chart_id);
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m_drag_object.Limits(-CONTROLS_DRAG_SPACING,-CONTROLS_DRAG_SPACING,
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chart.WidthInPixels()+CONTROLS_DRAG_SPACING,
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chart.HeightInPixels(m_subwin)+CONTROLS_DRAG_SPACING);
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chart.Detach();
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//--- set mouse params
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m_drag_object.MouseX(m_caption.MouseX());
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m_drag_object.MouseY(m_caption.MouseY());
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m_drag_object.MouseFlags(m_caption.MouseFlags());
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Continue dragging the dialog box |
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//+------------------------------------------------------------------+
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bool CDialog::OnDialogDragProcess(void)
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{
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//--- checking
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if(m_drag_object==NULL)
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return(false);
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//--- calculate coordinates
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int x=m_drag_object.Left()+50;
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int y=m_drag_object.Top()+50;
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//--- move dialog
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Move(x,y);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| End dragging the dialog box |
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//+------------------------------------------------------------------+
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bool CDialog::OnDialogDragEnd(void)
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{
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if(m_drag_object!=NULL)
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{
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m_caption.MouseFlags(m_drag_object.MouseFlags());
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delete m_drag_object;
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m_drag_object=NULL;
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}
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//--- set up additional areas
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if(m_minimized)
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m_min_rect.SetBound(m_rect);
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else
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m_norm_rect.SetBound(m_rect);
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//--- succeed
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return(true);
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}
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//+------------------------------------------------------------------+
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//| Class CAppDialog |
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//| Usage: main dialog box of MQL5 application |
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//+------------------------------------------------------------------+
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class CAppDialog : public CDialog
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{
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private:
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//--- dependent controls
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CBmpButton m_button_minmax; // the "Minimize/Maximize" button object
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//--- variables
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string m_program_name; // name of program
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string m_instance_id; // unique string ID
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ENUM_PROGRAM_TYPE m_program_type; // type of program
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string m_indicator_name;
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int m_deinit_reason;
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//--- for mouse
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int m_subwin_Yoff; // subwindow Y offset
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CWnd* m_focused_wnd; // pointer to object that has mouse focus
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CWnd* m_top_wnd; // pointer to object that has priority over mouse events handling
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protected:
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CChart m_chart; // object to access chart
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public:
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CAppDialog(void);
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~CAppDialog(void);
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//--- main application dialog creation and destroy
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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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virtual void Destroy(const int reason=REASON_PROGRAM);
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//--- chart event handler
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virtual bool OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
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//--- dialog run
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bool Run(void);
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//--- chart events processing
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void ChartEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
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//--- set up
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void Minimized(const bool flag) { m_minimized=flag; }
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//--- to save/restore state
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void IniFileSave(void);
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void IniFileLoad(void);
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virtual string IniFileName(void) const;
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virtual string IniFileExt(void) const { return(".dat"); }
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virtual bool Load(const int file_handle);
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virtual bool Save(const int file_handle);
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private:
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bool CreateCommon(const long chart,const string name,const int subwin);
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bool CreateExpert(const int x1,const int y1,const int x2,const int y2);
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bool CreateIndicator(const int x1,const int y1,const int x2,const int y2);
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protected:
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//--- create dependent controls
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virtual bool CreateButtonMinMax(void);
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//--- handlers of the dependent controls events
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virtual void OnClickButtonClose(void);
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virtual void OnClickButtonMinMax(void);
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//--- external event handlers
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virtual void OnAnotherApplicationClose(const long &lparam,const double &dparam,const string &sparam);
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//--- methods
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virtual bool Rebound(const CRect &rect);
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virtual void Minimize(void);
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virtual void Maximize(void);
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string CreateInstanceId(void);
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string ProgramName(void) const { return(m_program_name); }
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void SubwinOff(void);
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};
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//+------------------------------------------------------------------+
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//| Common handler of events |
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//+------------------------------------------------------------------+
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EVENT_MAP_BEGIN(CAppDialog)
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ON_EVENT(ON_CLICK,m_button_minmax,OnClickButtonMinMax)
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ON_EXTERNAL_EVENT(ON_APP_CLOSE,OnAnotherApplicationClose)
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EVENT_MAP_END(CDialog)
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//+------------------------------------------------------------------+
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//| Constructor |
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//+------------------------------------------------------------------+
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CAppDialog::CAppDialog(void) : m_program_type(WRONG_VALUE),
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m_deinit_reason(WRONG_VALUE),
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m_subwin_Yoff(0),
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m_focused_wnd(NULL),
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m_top_wnd(NULL)
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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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|
CAppDialog::~CAppDialog(void)
|
|
{
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Application dialog initialization function |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2)
|
|
{
|
|
if(!CreateCommon(chart,name,subwin))
|
|
return(false);
|
|
//---
|
|
switch(m_program_type)
|
|
{
|
|
case PROGRAM_EXPERT:
|
|
if(!CreateExpert(x1,y1,x2,y2))
|
|
return(false);
|
|
break;
|
|
case PROGRAM_INDICATOR:
|
|
if(!CreateIndicator(x1,y1,x2,y2))
|
|
return(false);
|
|
break;
|
|
default:
|
|
Print("CAppDialog: invalid program type");
|
|
return(false);
|
|
}
|
|
//--- Title of dialog window
|
|
if(!Caption(m_program_name))
|
|
return(false);
|
|
//--- create dependent controls
|
|
if(!CreateButtonMinMax())
|
|
return(false);
|
|
//--- get subwindow offset
|
|
SubwinOff();
|
|
//--- if flag is set, minimize the dialog
|
|
if(m_minimized)
|
|
Minimize();
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Initialize common area |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::CreateCommon(const long chart,const string name,const int subwin)
|
|
{
|
|
//--- save parameters
|
|
m_chart_id =chart;
|
|
m_name =name;
|
|
m_subwin =subwin;
|
|
m_program_name =name;
|
|
m_deinit_reason=WRONG_VALUE;
|
|
//--- get unique ID
|
|
m_instance_id=CreateInstanceId();
|
|
//--- initialize chart object
|
|
m_chart.Attach(chart);
|
|
//--- determine type of program
|
|
m_program_type=(ENUM_PROGRAM_TYPE)MQLInfoInteger(MQL_PROGRAM_TYPE);
|
|
//--- specify object and mouse events
|
|
if(!m_chart.EventObjectCreate() || !m_chart.EventObjectDelete() || !m_chart.EventMouseMove())
|
|
{
|
|
Print("CAppDialog: object events specify error");
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Initialize in Expert Advisor |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::CreateExpert(const int x1,const int y1,const int x2,const int y2)
|
|
{
|
|
//--- EA works only in main window
|
|
m_subwin=0;
|
|
//--- geometry for the minimized state
|
|
m_min_rect.SetBound(CONTROLS_DIALOG_MINIMIZE_LEFT,
|
|
CONTROLS_DIALOG_MINIMIZE_TOP,
|
|
CONTROLS_DIALOG_MINIMIZE_LEFT+CONTROLS_DIALOG_MINIMIZE_WIDTH,
|
|
CONTROLS_DIALOG_MINIMIZE_TOP+CONTROLS_DIALOG_MINIMIZE_HEIGHT);
|
|
//--- call method of the parent class
|
|
if(!CDialog::Create(m_chart.ChartId(),m_instance_id,m_subwin,x1,y1,x2,y2))
|
|
{
|
|
Print("CAppDialog: expert dialog create error");
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Initialize in Indicator |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::CreateIndicator(const int x1,const int y1,const int x2,const int y2)
|
|
{
|
|
int width=m_chart.WidthInPixels();
|
|
//--- geometry for the minimized state
|
|
m_min_rect.LeftTop(0,0);
|
|
m_min_rect.Width(width);
|
|
m_min_rect.Height(CONTROLS_DIALOG_MINIMIZE_HEIGHT-2*CONTROLS_BORDER_WIDTH);
|
|
//--- determine subwindow
|
|
m_subwin=ChartWindowFind();
|
|
if(m_subwin==-1)
|
|
{
|
|
Print("CAppDialog: find subwindow error");
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//---
|
|
int total=ChartIndicatorsTotal(m_chart.ChartId(),m_subwin);
|
|
m_indicator_name=ChartIndicatorName(m_chart.ChartId(),m_subwin,total-1);
|
|
//--- if subwindow number is 0 (main window), then our program is
|
|
//--- not an indicator panel, but is an indicator with built-in settings dialog
|
|
//--- dialog of such an indicator should behave as an Expert Advisor dialog
|
|
if(m_subwin==0)
|
|
return(CreateExpert(x1,y1,x2,y2));
|
|
//--- if subwindow number is not 0, then our program is an indicator panel
|
|
//--- check if subwindow is not occupied by other indicators
|
|
if(total!=1)
|
|
{
|
|
Print("CAppDialog: subwindow busy");
|
|
ChartIndicatorDelete(m_chart.ChartId(),m_subwin,ChartIndicatorName(m_chart.ChartId(),m_subwin,total-1));
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//--- resize subwindow by dialog height
|
|
if(!IndicatorSetInteger(INDICATOR_HEIGHT,(y2-y1)+1))
|
|
{
|
|
Print("CAppDialog: subwindow resize error");
|
|
ChartIndicatorDelete(m_chart.ChartId(),m_subwin,ChartIndicatorName(m_chart.ChartId(),m_subwin,total-1));
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//--- indicator short name
|
|
m_indicator_name=m_program_name+IntegerToString(m_subwin);
|
|
if(!IndicatorSetString(INDICATOR_SHORTNAME,m_indicator_name))
|
|
{
|
|
Print("CAppDialog: shortname error");
|
|
ChartIndicatorDelete(m_chart.ChartId(),m_subwin,ChartIndicatorName(m_chart.ChartId(),m_subwin,total-1));
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//--- set flag
|
|
m_panel_flag=true;
|
|
//--- call method of the parent class
|
|
if(!CDialog::Create(m_chart.ChartId(),m_instance_id,m_subwin,0,0,width,y2-y1))
|
|
{
|
|
Print("CAppDialog: indicator dialog create error");
|
|
ChartIndicatorDelete(m_chart.ChartId(),m_subwin,ChartIndicatorName(m_chart.ChartId(),m_subwin,total-1));
|
|
m_chart.Detach();
|
|
return(false);
|
|
}
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Application dialog deinitialization function |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::Destroy(const int reason)
|
|
{
|
|
//--- destroyed already?
|
|
if(m_deinit_reason!=WRONG_VALUE)
|
|
return;
|
|
//---
|
|
m_deinit_reason=reason;
|
|
IniFileSave();
|
|
//--- detach chart object from chart
|
|
m_chart.Detach();
|
|
//--- call parent destroy
|
|
CDialog::Destroy();
|
|
//---
|
|
if(reason==REASON_PROGRAM)
|
|
{
|
|
if(m_program_type==PROGRAM_EXPERT)
|
|
ExpertRemove();
|
|
if(m_program_type==PROGRAM_INDICATOR)
|
|
ChartIndicatorDelete(m_chart_id,m_subwin,m_indicator_name);
|
|
}
|
|
//--- send message
|
|
EventChartCustom(CONTROLS_SELF_MESSAGE,ON_APP_CLOSE,m_subwin,0.0,m_program_name);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Calculate subwindow offset |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::SubwinOff(void)
|
|
{
|
|
m_subwin_Yoff=m_chart.SubwindowY(m_subwin);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Create the "Minimize/Maximize" button |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::CreateButtonMinMax(void)
|
|
{
|
|
int off=(m_panel_flag) ? 0:2*CONTROLS_BORDER_WIDTH;
|
|
//--- coordinates
|
|
int x1=Width()-off-2*(CONTROLS_BUTTON_SIZE+CONTROLS_DIALOG_BUTTON_OFF);
|
|
int y1=off+CONTROLS_DIALOG_BUTTON_OFF;
|
|
int x2=x1+CONTROLS_BUTTON_SIZE;
|
|
int y2=y1+CONTROLS_BUTTON_SIZE;
|
|
//--- create
|
|
if(!m_button_minmax.Create(m_chart_id,m_name+"MinMax",m_subwin,x1,y1,x2,y2))
|
|
return(false);
|
|
if(!m_button_minmax.BmpNames("::res\\Turn.bmp","::res\\Restore.bmp"))
|
|
return(false);
|
|
if(!CWndContainer::Add(m_button_minmax))
|
|
return(false);
|
|
m_button_minmax.Locking(true);
|
|
m_button_minmax.Alignment(WND_ALIGN_RIGHT,0,0,off+CONTROLS_BUTTON_SIZE+2*CONTROLS_DIALOG_BUTTON_OFF,0);
|
|
//--- change caption
|
|
CaptionAlignment(WND_ALIGN_WIDTH,off,0,off+2*(CONTROLS_BUTTON_SIZE+CONTROLS_DIALOG_BUTTON_OFF),0);
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Charts event processing |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::ChartEvent(const int id,const long &lparam,const double &dparam,const string &sparam)
|
|
{
|
|
int mouse_x=(int)lparam;
|
|
int mouse_y=(int)dparam-m_subwin_Yoff;
|
|
//--- separate mouse events from others
|
|
switch(id)
|
|
{
|
|
case CHARTEVENT_CHART_CHANGE:
|
|
//--- assumed that the CHARTEVENT_CHART_CHANGE event can handle only the application dialog
|
|
break;
|
|
case CHARTEVENT_OBJECT_CLICK:
|
|
//--- we won't handle the CHARTEVENT_OBJECT_CLICK event, as we are working with the CHARTEVENT_MOUSE_MOVE events
|
|
return;
|
|
case CHARTEVENT_CUSTOM+ON_MOUSE_FOCUS_SET:
|
|
//--- the CHARTEVENT_CUSTOM + ON_MOUSE_FOCUS_SET event
|
|
if(CheckPointer(m_focused_wnd)!=POINTER_INVALID)
|
|
{
|
|
//--- if there is an element with focus, try to take its focus away
|
|
if(!m_focused_wnd.MouseFocusKill(lparam))
|
|
return;
|
|
}
|
|
m_focused_wnd=ControlFind(lparam);
|
|
return;
|
|
case CHARTEVENT_CUSTOM+ON_BRING_TO_TOP:
|
|
m_top_wnd=ControlFind(lparam);
|
|
return;
|
|
case CHARTEVENT_MOUSE_MOVE:
|
|
//--- the CHARTEVENT_MOUSE_MOVE event
|
|
if(CheckPointer(m_top_wnd)!=POINTER_INVALID)
|
|
{
|
|
//--- if a priority element already exists, pass control to it
|
|
if(m_top_wnd.OnMouseEvent(mouse_x,mouse_y,(int)StringToInteger(sparam)))
|
|
{
|
|
//--- event handled
|
|
m_chart.Redraw();
|
|
return;
|
|
}
|
|
}
|
|
if(OnMouseEvent(mouse_x,mouse_y,(int)StringToInteger(sparam)))
|
|
m_chart.Redraw();
|
|
return;
|
|
default:
|
|
//--- call event processing and redraw chart if event handled
|
|
if(OnEvent(id,lparam,dparam,sparam))
|
|
m_chart.Redraw();
|
|
return;
|
|
}
|
|
//--- if event was not handled, try to handle the CHARTEVENT_CHART_CHANGE event
|
|
if(id==CHARTEVENT_CHART_CHANGE)
|
|
{
|
|
//--- if subwindow number is not 0, and dialog subwindow has changed its number, then restart
|
|
if(m_subwin!=0 && m_subwin!=ChartWindowFind())
|
|
{
|
|
long fiction=1;
|
|
OnAnotherApplicationClose(fiction,dparam,sparam);
|
|
}
|
|
//--- if subwindow height is less that dialog height, minimize application window (always)
|
|
if(m_chart.HeightInPixels(m_subwin)<Height()+CONTROLS_BORDER_WIDTH)
|
|
{
|
|
m_button_minmax.Pressed(true);
|
|
Minimize();
|
|
m_chart.Redraw();
|
|
}
|
|
//--- if chart width is less that dialog width, and subwindow number is not 0, try to modify dialog width
|
|
if(m_chart.WidthInPixels()!=Width() && m_subwin!=0)
|
|
{
|
|
Width(m_chart.WidthInPixels());
|
|
m_chart.Redraw();
|
|
}
|
|
//--- get subwindow offset
|
|
SubwinOff();
|
|
return;
|
|
}
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Run application |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::Run(void)
|
|
{
|
|
//--- redraw chart for dialog invalidate
|
|
m_chart.Redraw();
|
|
//--- here we begin to assign IDs to controls
|
|
if(Id(m_subwin*CONTROLS_MAXIMUM_ID)>CONTROLS_MAXIMUM_ID)
|
|
{
|
|
Print("CAppDialog: too many objects");
|
|
return(false);
|
|
}
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Stop application |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::OnClickButtonClose(void)
|
|
{
|
|
//--- destroy application
|
|
Destroy();
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Handler of click on the "Minimize/Maximize" button |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::OnClickButtonMinMax(void)
|
|
{
|
|
if(m_button_minmax.Pressed())
|
|
Minimize();
|
|
else
|
|
Maximize();
|
|
//--- get subwindow offset
|
|
SubwinOff();
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Resize |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::Rebound(const CRect &rect)
|
|
{
|
|
if(!Move(rect.LeftTop()))
|
|
return(false);
|
|
if(!Size(rect.Size()))
|
|
return(false);
|
|
//--- resize subwindow
|
|
if(m_program_type==PROGRAM_INDICATOR && !IndicatorSetInteger(INDICATOR_HEIGHT,rect.Height()+1))
|
|
{
|
|
Print("CAppDialog: subwindow resize error");
|
|
return(false);
|
|
}
|
|
//--- succeed
|
|
return(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Minimize dialog window |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::Minimize(void)
|
|
{
|
|
//--- set flag
|
|
m_minimized=true;
|
|
//--- resize
|
|
Rebound(m_min_rect);
|
|
//--- hide client area
|
|
ClientAreaVisible(false);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Restore dialog window |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::Maximize(void)
|
|
{
|
|
//--- reset flag
|
|
m_minimized=false;
|
|
//--- resize
|
|
Rebound(m_norm_rect);
|
|
//--- show client area
|
|
ClientAreaVisible(true);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Create unique prefix for object names |
|
|
//+------------------------------------------------------------------+
|
|
string CAppDialog::CreateInstanceId(void)
|
|
{
|
|
return(IntegerToString(rand(),5,'0'));
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Handler of the ON_APP_CLOSE external event |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::OnAnotherApplicationClose(const long &lparam,const double &dparam,const string &sparam)
|
|
{
|
|
//--- exit if we are in the main window
|
|
if(m_subwin==0)
|
|
return;
|
|
//--- exit if external program was closed in main window
|
|
if(lparam==0)
|
|
return;
|
|
//--- get subwindow offset
|
|
SubwinOff();
|
|
//--- exit if external program was closed in subwindow with greater number
|
|
if(lparam>=m_subwin)
|
|
return;
|
|
//--- after all the checks we must change the subwindow
|
|
//--- get the new number of subwindow
|
|
m_subwin=ChartWindowFind();
|
|
//--- change short name
|
|
m_indicator_name=m_program_name+IntegerToString(m_subwin);
|
|
IndicatorSetString(INDICATOR_SHORTNAME,m_indicator_name);
|
|
//--- change dialog title
|
|
Caption(m_program_name);
|
|
//--- reassign IDs
|
|
Run();
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Save the current state of the program |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::IniFileSave(void)
|
|
{
|
|
string filename=IniFileName()+IniFileExt();
|
|
int handle=FileOpen(filename,FILE_WRITE|FILE_BIN|FILE_ANSI);
|
|
//---
|
|
if(handle!=INVALID_HANDLE)
|
|
{
|
|
Save(handle);
|
|
FileClose(handle);
|
|
}
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Read the previous state of the program |
|
|
//+------------------------------------------------------------------+
|
|
void CAppDialog::IniFileLoad(void)
|
|
{
|
|
string filename=IniFileName()+IniFileExt();
|
|
int handle=FileOpen(filename,FILE_READ|FILE_BIN|FILE_ANSI);
|
|
//---
|
|
if(handle!=INVALID_HANDLE)
|
|
{
|
|
Load(handle);
|
|
FileClose(handle);
|
|
}
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Generate the filename |
|
|
//+------------------------------------------------------------------+
|
|
string CAppDialog::IniFileName(void) const
|
|
{
|
|
string name;
|
|
//---
|
|
name=(m_indicator_name!=NULL) ? m_indicator_name : m_program_name;
|
|
//---
|
|
name+="_"+Symbol();
|
|
name+="_Ini";
|
|
//---
|
|
return(name);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Load data |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::Load(const int file_handle)
|
|
{
|
|
if(CDialog::Load(file_handle))
|
|
{
|
|
if(m_minimized)
|
|
{
|
|
m_button_minmax.Pressed(true);
|
|
Minimize();
|
|
}
|
|
else
|
|
{
|
|
m_button_minmax.Pressed(false);
|
|
Maximize();
|
|
}
|
|
int prev_deinit_reason=FileReadInteger(file_handle);
|
|
if(prev_deinit_reason==REASON_CHARTCLOSE || prev_deinit_reason==REASON_CLOSE)
|
|
{
|
|
//--- if the previous time program ended after closing the chart window,
|
|
//--- delete object left since the last start of the program
|
|
string prev_instance_id=IntegerToString(FileReadInteger(file_handle),5,'0');
|
|
if(prev_instance_id!=m_instance_id)
|
|
{
|
|
long chart_id=m_chart.ChartId();
|
|
int total=ObjectsTotal(chart_id,m_subwin);
|
|
for(int i=total-1;i>=0;i--)
|
|
{
|
|
string obj_name=ObjectName(chart_id,i,m_subwin);
|
|
if(StringFind(obj_name,prev_instance_id)==0)
|
|
ObjectDelete(chart_id,obj_name);
|
|
}
|
|
}
|
|
}
|
|
return(true);
|
|
}
|
|
//--- failure
|
|
return(false);
|
|
}
|
|
//+------------------------------------------------------------------+
|
|
//| Save data |
|
|
//+------------------------------------------------------------------+
|
|
bool CAppDialog::Save(const int file_handle)
|
|
{
|
|
if(CDialog::Save(file_handle))
|
|
{
|
|
FileWriteInteger(file_handle,m_deinit_reason);
|
|
FileWriteInteger(file_handle,(int)StringToInteger(m_instance_id));
|
|
return(true);
|
|
}
|
|
//--- failure
|
|
return(false);
|
|
}
|
|
//+------------------------------------------------------------------+
|