Nachschlagewerk MQL5StandardbibliothekPanels und DialogeCEdit

Klasse CEdit

Klasse CEdit ist eine Klasse des einfachen Steuerelements basierend auf das grafischen Objekt "Eingabefeld".

Beschreibung

Klasse CEdit wird für die Erstellung von bearbeitbaren Textfeldern verwendet.

Deklaration

class CEdit : public CWndObj

Kopf

#include <Controls\Edit.mqh>

Vererbungshierarchie

CObject

CWnd

CWndObj

CEdit

Das Ergebnis des unten angeführten Codes:

ControlsEdit

Gruppen der Klassenmethode

Erstellung
Create	Erstellt ein Steuerelement
Eigenschaften
ReadOnly	Erhält/setzt den Wert der Eigenschaft "ReadOnly" eines Steuerelements
TextAlign	Erhält/setzt den Wert der Eigenschaft "TextAlign" eines Steuerelements
Behandlung von Objekt-Ereignissen
OnObjectEndEdit	Virtueller Handler des Ereignisses CHARTEVENT_OBJECT_ENDEDIT des Chartobjekts
Parameteränderungenbehandlung
OnSetText	Handler des Ereignisses "SetText" eines Steuerelements
OnSetColor	Handler des Ereignisses "SetColor" eines Steuerelements
OnSetColorBackground	Handler des Ereignisses "SetColorBackground" eines Steuerelements
OnSetColorBorder	Handler des Ereignisses "SetColorBorder" eines Steuerelements
OnSetFont	Handler des Ereignisses "SetFont" eines Steuerelements
OnSetFontSize	Handler des Ereignisses "SetFontSize" eines Steuerelements
OnSetZOrder	Handler des Ereignisses "SetZOrder" eines Steuerelements
Behandlung von internen Ereignissen
OnCreate	Handler des internen Ereignisses "Create" eines Steuerelements
OnShow	Handler des internen Ereignisses "Show" eines Steuerelements
OnHide	Handler des internen Ereignisses "Hide" eines Steuerelements
OnMove	Handler des internen Ereignisses "Move" eines Steuerelements
OnResize	Handler des internen Ereignisses "Resize" eines Steuerelements
OnChange	Handler des internen Ereignisses "Change" eines Steuerelements
OnClick	Handler des internen Ereignisses "Click" eines Steuerelements

Methoden geerbt von der Klasse CObject Prev, Prev, Next, Next, Save, Load, Type, Compare
Methoden geerbt von der Klasse CWnd Destroy, OnMouseEvent, Name, ControlsTotal, Control, ControlFind, Rect, Left, Left, Top, Top, Right, Right, Bottom, Bottom, Width, Width, Height, Height, Size, Size, Size, Move, Move, Shift, Contains, Contains, Alignment, Align, Id, Id, IsEnabled, Enable, Disable, IsVisible, Visible, Show, Hide, IsActive, Activate, Deactivate, StateFlags, StateFlags, StateFlagsSet, StateFlagsReset, PropFlags, PropFlags, PropFlagsSet, PropFlagsReset, MouseX, MouseX, MouseY, MouseY, MouseFlags, MouseFlags, MouseFocusKill, BringToTop
Methoden geerbt von der Klasse CWndObj Text, Text, Color, Color, ColorBackground, ColorBackground, ColorBorder, ColorBorder, Font, Font, FontSize, FontSize, ZOrder, ZOrder

Methoden geerbt von der Klasse CObject

Prev, Prev, Next, Next, Save, Load, Type, Compare

Methoden geerbt von der Klasse CWnd

Destroy, OnMouseEvent, Name, ControlsTotal, Control, ControlFind, Rect, Left, Left, Top, Top, Right, Right, Bottom, Bottom, Width, Width, Height, Height, Size, Size, Size, Move, Move, Shift, Contains, Contains, Alignment, Align, Id, Id, IsEnabled, Enable, Disable, IsVisible, Visible, Show, Hide, IsActive, Activate, Deactivate, StateFlags, StateFlags, StateFlagsSet, StateFlagsReset, PropFlags, PropFlags, PropFlagsSet, PropFlagsReset, MouseX, MouseX, MouseY, MouseY, MouseFlags, MouseFlags, MouseFocusKill, BringToTop

Methoden geerbt von der Klasse CWndObj

Text, Text, Color, Color, ColorBackground, ColorBackground, ColorBorder, ColorBorder, Font, Font, FontSize, FontSize, ZOrder, ZOrder

Ein Beispiel für die Erstellung eines Panels mit einem editierbaren Textfeld:

//+------------------------------------------------------------------+
//|                                                 ControlsEdit.mq5 |
//|                         Copyright 2000-2024, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017, MetaQuotes Software Corp."
#property link      "https://www.mql5.com"
#property version   "1.00"
#property description "Das Panel der Anzeige und der Dialoge. Demonstration der CEdit Klasse"
#include <Controls\Dialog.mqh>
#include <Controls\Edit.mqh>
//+------------------------------------------------------------------+
//| defines                                                          |
//+------------------------------------------------------------------+
//--- indents and gaps
#define INDENT_LEFT                         (11)      // indent from left (with allowance for border width)
#define INDENT_TOP                          (11)      // indent from top (with allowance for border width)
#define INDENT_RIGHT                        (11)      // indent from right (with allowance for border width)
#define INDENT_BOTTOM                       (11)      // indent from bottom (with allowance for border width)
#define CONTROLS_GAP_X                      (5)       // gap by X coordinate
#define CONTROLS_GAP_Y                      (5)       // gap by Y coordinate
//--- for buttons
#define BUTTON_WIDTH                        (100)     // size by X coordinate
#define BUTTON_HEIGHT                       (20)      // size by Y coordinate
//--- for the indication area
#define EDIT_HEIGHT                         (20)      // size by Y coordinate
//--- for group controls
#define GROUP_WIDTH                         (150)     // size by X coordinate
#define LIST_HEIGHT                         (179)     // size by Y coordinate
#define RADIO_HEIGHT                        (56)      // size by Y coordinate
#define CHECK_HEIGHT                        (93)      // size by Y coordinate
//+------------------------------------------------------------------+
//| Class CControlsDialog                                            |
//| Usage: main dialog of the Controls application                   |
//+------------------------------------------------------------------+
class CControlsDialog : public CAppDialog
  {
private:
   CEdit             m_edit;                          // CEdit Objekt

public:
                     CControlsDialog(void);
                    ~CControlsDialog(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

protected:
   //--- create dependent controls
   bool              CreateEdit(void);
  };
//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
CControlsDialog::CControlsDialog(void)
  {
  }
//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
CControlsDialog::~CControlsDialog(void)
  {
  }
//+------------------------------------------------------------------+
//| Create                                                           |
//+------------------------------------------------------------------+
bool CControlsDialog::Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2)
  {
   if(!CAppDialog::Create(chart,name,subwin,x1,y1,x2,y2))
      return(false);
//--- create dependent controls
   if(!CreateEdit())
      return(false);
//--- succeed
   return(true);
  }
//+------------------------------------------------------------------+
//| Create the display field                                         |
//+------------------------------------------------------------------+
bool CControlsDialog::CreateEdit(void)
  {
//--- coordinates
   int x1=INDENT_LEFT;
   int y1=INDENT_TOP;
   int x2=ClientAreaWidth()-INDENT_RIGHT;
   int y2=y1+EDIT_HEIGHT;
//--- create
   if(!m_edit.Create(m_chart_id,m_name+"Edit",m_subwin,x1,y1,x2,y2))
      return(false);
//--- erlauben, den Inhalt zu bearbeiten
   if(!m_edit.ReadOnly(false))
      return(false);
   if(!Add(m_edit))
      return(false);
//--- succeed
   return(true);
  }
//+------------------------------------------------------------------+
//| Global Variables                                                 |
//+------------------------------------------------------------------+
CControlsDialog ExtDialog;
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//--- create application dialog
   if(!ExtDialog.Create(0,"Controls",0,40,40,380,344))
      return(INIT_FAILED);
//--- run application
   ExtDialog.Run();
//--- succeed
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//--- Kommentare löschen
   Comment("");
//--- destroy dialog
   ExtDialog.Destroy(reason);
  }
//+------------------------------------------------------------------+
//| Expert chart event function                                      |
//+------------------------------------------------------------------+
void OnChartEvent(const int id,         // event ID
                  const long& lparam,   // event parameter of the long type
                  const double& dparam, // event parameter of the double type
                  const string& sparam) // event parameter of the string type
  {
   ExtDialog.ChartEvent(id,lparam,dparam,sparam);
  }

OnMouseUp

Create