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mql5/Indicators/Examples/Panels/SimplePanel/PanelDialog.mqh

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2025-08-05 01:57:33 -04:00
//+------------------------------------------------------------------+
//| PanelDialog.mqh |
//| Copyright 2000-2025, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#include <Controls\Dialog.mqh>
#include <Controls\Button.mqh>
#include <Controls\Edit.mqh>
#include <Controls\ListView.mqh>
#include <Controls\ComboBox.mqh>
#include <Controls\SpinEdit.mqh>
#include <Controls\RadioGroup.mqh>
#include <Controls\CheckGroup.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 (10) // gap by X coordinate
#define CONTROLS_GAP_Y (10) // 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
//+------------------------------------------------------------------+
//| Class CPanelDialog |
//| Usage: main dialog of the SimplePanel application |
//+------------------------------------------------------------------+
class CPanelDialog : public CAppDialog
{
private:
CEdit m_edit; // the display field object
CButton m_button1; // the button object
CButton m_button2; // the button object
CButton m_button3; // the fixed button object
CListView m_list_view; // the list object
CRadioGroup m_radio_group; // the radio buttons group object
CCheckGroup m_check_group; // the check box group object
public:
CPanelDialog(void);
~CPanelDialog(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);
protected:
//--- create dependent controls
bool CreateEdit(void);
bool CreateButton1(void);
bool CreateButton2(void);
bool CreateButton3(void);
bool CreateRadioGroup(void);
bool CreateCheckGroup(void);
bool CreateListView(void);
//--- internal event handlers
virtual bool OnResize(void);
//--- handlers of the dependent controls events
void OnClickButton1(void);
void OnClickButton2(void);
void OnClickButton3(void);
void OnChangeRadioGroup(void);
void OnChangeCheckGroup(void);
void OnChangeListView(void);
};
//+------------------------------------------------------------------+
//| Event Handling |
//+------------------------------------------------------------------+
EVENT_MAP_BEGIN(CPanelDialog)
ON_EVENT(ON_CLICK,m_button1,OnClickButton1)
ON_EVENT(ON_CLICK,m_button2,OnClickButton2)
ON_EVENT(ON_CLICK,m_button3,OnClickButton3)
ON_EVENT(ON_CHANGE,m_radio_group,OnChangeRadioGroup)
ON_EVENT(ON_CHANGE,m_check_group,OnChangeCheckGroup)
ON_EVENT(ON_CHANGE,m_list_view,OnChangeListView)
EVENT_MAP_END(CAppDialog)
//+------------------------------------------------------------------+
//| Constructor |
//+------------------------------------------------------------------+
CPanelDialog::CPanelDialog(void)
{
}
//+------------------------------------------------------------------+
//| Destructor |
//+------------------------------------------------------------------+
CPanelDialog::~CPanelDialog(void)
{
}
//+------------------------------------------------------------------+
//| Create |
//+------------------------------------------------------------------+
bool CPanelDialog::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);
if(!CreateButton1())
return(false);
if(!CreateButton2())
return(false);
if(!CreateButton3())
return(false);
if(!CreateRadioGroup())
return(false);
if(!CreateCheckGroup())
return(false);
if(!CreateListView())
return(false);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the display field |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateEdit(void)
{
//--- coordinates
int x1=INDENT_LEFT;
int y1=INDENT_TOP;
int x2=ClientAreaWidth()-(INDENT_RIGHT+BUTTON_WIDTH+CONTROLS_GAP_X);
int y2=y1+EDIT_HEIGHT;
//--- create
if(!m_edit.Create(m_chart_id,m_name+"Edit",m_subwin,x1,y1,x2,y2))
return(false);
if(!m_edit.ReadOnly(true))
return(false);
if(!Add(m_edit))
return(false);
m_edit.Alignment(WND_ALIGN_WIDTH,INDENT_LEFT,0,INDENT_RIGHT+BUTTON_WIDTH+CONTROLS_GAP_X,0);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "Button1" button |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateButton1(void)
{
//--- coordinates
int x1=ClientAreaWidth()-(INDENT_RIGHT+BUTTON_WIDTH);
int y1=INDENT_TOP;
int x2=x1+BUTTON_WIDTH;
int y2=y1+BUTTON_HEIGHT;
//--- create
if(!m_button1.Create(m_chart_id,m_name+"Button1",m_subwin,x1,y1,x2,y2))
return(false);
if(!m_button1.Text("Button1"))
return(false);
if(!Add(m_button1))
return(false);
m_button1.Alignment(WND_ALIGN_RIGHT,0,0,INDENT_RIGHT,0);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "Button2" button |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateButton2(void)
{
//--- coordinates
int x1=ClientAreaWidth()-(INDENT_RIGHT+BUTTON_WIDTH);
int y1=INDENT_TOP+BUTTON_HEIGHT+CONTROLS_GAP_Y;
int x2=x1+BUTTON_WIDTH;
int y2=y1+BUTTON_HEIGHT;
//--- create
if(!m_button2.Create(m_chart_id,m_name+"Button2",m_subwin,x1,y1,x2,y2))
return(false);
if(!m_button2.Text("Button2"))
return(false);
if(!Add(m_button2))
return(false);
m_button2.Alignment(WND_ALIGN_RIGHT,0,0,INDENT_RIGHT,0);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "Button3" fixed button |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateButton3(void)
{
//--- coordinates
int x1=ClientAreaWidth()-(INDENT_RIGHT+BUTTON_WIDTH);
int y1=ClientAreaHeight()-(INDENT_BOTTOM+BUTTON_HEIGHT);
int x2=x1+BUTTON_WIDTH;
int y2=y1+BUTTON_HEIGHT;
//--- create
if(!m_button3.Create(m_chart_id,m_name+"Button3",m_subwin,x1,y1,x2,y2))
return(false);
if(!m_button3.Text("Locked"))
return(false);
if(!Add(m_button3))
return(false);
m_button3.Locking(true);
m_button3.Alignment(WND_ALIGN_RIGHT|WND_ALIGN_BOTTOM,0,0,INDENT_RIGHT,INDENT_BOTTOM);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "RadioGroup" element |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateRadioGroup(void)
{
int sx=(ClientAreaWidth()-(INDENT_LEFT+INDENT_RIGHT+BUTTON_WIDTH))/3-CONTROLS_GAP_X;
//--- coordinates
int x1=INDENT_LEFT;
int y1=INDENT_TOP+EDIT_HEIGHT+CONTROLS_GAP_Y;
int x2=x1+sx;
int y2=ClientAreaHeight()-INDENT_BOTTOM;
//--- create
if(!m_radio_group.Create(m_chart_id,m_name+"RadioGroup",m_subwin,x1,y1,x2,y2))
return(false);
if(!Add(m_radio_group))
return(false);
m_radio_group.Alignment(WND_ALIGN_HEIGHT,0,y1,0,INDENT_BOTTOM);
//--- fill out with strings
for(int i=0;i<4;i++)
if(!m_radio_group.AddItem("Item "+IntegerToString(i),1<<i))
return(false);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "CheckGroup" element |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateCheckGroup(void)
{
int sx=(ClientAreaWidth()-(INDENT_LEFT+INDENT_RIGHT+BUTTON_WIDTH))/3-CONTROLS_GAP_X;
//--- coordinates
int x1=INDENT_LEFT+sx+CONTROLS_GAP_X;
int y1=INDENT_TOP+EDIT_HEIGHT+CONTROLS_GAP_Y;
int x2=x1+sx;
int y2=ClientAreaHeight()-INDENT_BOTTOM;
//--- create
if(!m_check_group.Create(m_chart_id,m_name+"CheckGroup",m_subwin,x1,y1,x2,y2))
return(false);
if(!Add(m_check_group))
return(false);
m_check_group.Alignment(WND_ALIGN_HEIGHT,0,y1,0,INDENT_BOTTOM);
//--- fill out with strings
for(int i=0;i<4;i++)
if(!m_check_group.AddItem("Item "+IntegerToString(i),1<<i))
return(false);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "ListView" element |
//+------------------------------------------------------------------+
bool CPanelDialog::CreateListView(void)
{
int sx=(ClientAreaWidth()-(INDENT_LEFT+INDENT_RIGHT+BUTTON_WIDTH))/3-CONTROLS_GAP_X;
//--- coordinates
int x1=ClientAreaWidth()-(sx+INDENT_RIGHT+BUTTON_WIDTH+CONTROLS_GAP_X);
int y1=INDENT_TOP+EDIT_HEIGHT+CONTROLS_GAP_Y;
int x2=x1+sx;
int y2=ClientAreaHeight()-INDENT_BOTTOM;
//--- create
if(!m_list_view.Create(m_chart_id,m_name+"ListView",m_subwin,x1,y1,x2,y2))
return(false);
if(!Add(m_list_view))
return(false);
m_list_view.Alignment(WND_ALIGN_HEIGHT,0,y1,0,INDENT_BOTTOM);
//--- fill out with strings
for(int i=0;i<16;i++)
if(!m_list_view.ItemAdd("Item "+IntegerToString(i)))
return(false);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Handler of resizing |
//+------------------------------------------------------------------+
bool CPanelDialog::OnResize(void)
{
//--- call method of parent class
if(!CAppDialog::OnResize()) return(false);
//--- coordinates
int x=ClientAreaLeft()+INDENT_LEFT;
int y=m_radio_group.Top();
int sx=(ClientAreaWidth()-(INDENT_LEFT+INDENT_RIGHT+BUTTON_WIDTH))/3-CONTROLS_GAP_X;
//--- move and resize the "RadioGroup" element
m_radio_group.Move(x,y);
m_radio_group.Width(sx);
//--- move and resize the "CheckGroup" element
x=ClientAreaLeft()+INDENT_LEFT+sx+CONTROLS_GAP_X;
m_check_group.Move(x,y);
m_check_group.Width(sx);
//--- move and resize the "ListView" element
x=ClientAreaLeft()+ClientAreaWidth()-(sx+INDENT_RIGHT+BUTTON_WIDTH+CONTROLS_GAP_X);
m_list_view.Move(x,y);
m_list_view.Width(sx);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CPanelDialog::OnClickButton1(void)
{
m_edit.Text(__FUNCTION__);
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CPanelDialog::OnClickButton2(void)
{
m_edit.Text(__FUNCTION__);
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CPanelDialog::OnClickButton3(void)
{
if(m_button3.Pressed())
m_edit.Text(__FUNCTION__+"On");
else
m_edit.Text(__FUNCTION__+"Off");
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CPanelDialog::OnChangeListView(void)
{
m_edit.Text(__FUNCTION__+" \""+m_list_view.Select()+"\"");
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CPanelDialog::OnChangeRadioGroup(void)
{
m_edit.Text(__FUNCTION__+" : Value="+IntegerToString(m_radio_group.Value()));
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CPanelDialog::OnChangeCheckGroup(void)
{
m_edit.Text(__FUNCTION__+" : Value="+IntegerToString(m_check_group.Value()));
}
//+------------------------------------------------------------------+
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