13 KiB
13 KiB
CBmpButton
CBmpButton is class of the simple control based on "Bitmap label" chart object.
Description
CBmpButton is intended for creation of buttons with graphic image.
Declaration
class CBmpButton : public CWndObj
Title
#include <Controls\BmpButton.mqh>
Inheritance hierarchy
CObject
CWnd
CWndObj
CBmpButton
Result of the code provided below:
Class Methods by Groups
| Create | |
|---|---|
| Create | Creates control |
| Properties | |
| Border | Gets/sets the "Border" property of the control |
| BmpNames | Sets the name of bmp files of the control |
| BmpOffName | Gets/sets the name of bmp file for the OFF state |
| BmpOnName | Gets/sets the name of bmp file for the ON state |
| BmpPassiveName | Gets/sets the name of bmp file for the passive state |
| BmpActiveName | Gets/sets the name of bmp file for the active state |
| State | |
| Pressed | Gets/sets the state of the control |
| Locking | Gets/sets the "Locking" property of the control |
| Internal event handlers | |
| OnSetZOrder | "SetZOrder" internal event handler |
| OnCreate | "Create" internal event handler |
| OnShow | "Show" internal event handler |
| OnHide | "Hide" internal event handler |
| OnMove | "Move" internal event handler |
| OnChange | "Change" internal event handler |
| OnActivate | "Activate" internal event handler |
| OnDeactivate | "Deactivate" internal event handler |
| OnMouseDown | "MouseDown" internal event handler |
| OnMouseUp | "MouseUp" internal event handler |
| Methods inherited from class CObject
| Prev, Prev, Next, Next, Save , Load , Type , Compare |
|---|
| Methods inherited from class 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 |
| Methods inherited from class CWndObj |
| OnEvent , Text , Text , Color , Color , ColorBackground , ColorBackground , ColorBorder , ColorBorder , Font , Font , FontSize , FontSize , ZOrder , ZOrder |
Example of creating a panel with Bitmap label:
//+------------------------------------------------------------------+
//| ControlsBmpButton.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 "Control Panels and Dialogs. Demonstration class CBmpButton"
#include <Controls\Dialog.mqh>
#include <Controls\BmpButton.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:
CBmpButton m_bmpbutton1; // CBmpButton object
CBmpButton m_bmpbutton2; // CBmpButton object
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
virtual bool OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
protected:
//--- create dependent controls
bool CreateBmpButton1(void);
bool CreateBmpButton2(void);
//--- handlers of the dependent controls events
void OnClickBmpButton1(void);
void OnClickBmpButton2(void);
};
//+------------------------------------------------------------------+
//| Event Handling |
//+------------------------------------------------------------------+
EVENT_MAP_BEGIN(CControlsDialog)
ON_EVENT(ON_CLICK,m_bmpbutton1,OnClickBmpButton1)
ON_EVENT(ON_CLICK,m_bmpbutton2,OnClickBmpButton2)
EVENT_MAP_END(CAppDialog)
//+------------------------------------------------------------------+
//| 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(!CreateBmpButton1())
return(false);
if(!CreateBmpButton2())
return(false);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "BmpButton1" button |
//+------------------------------------------------------------------+
bool CControlsDialog::CreateBmpButton1(void)
{
//--- coordinates
int x1=INDENT_LEFT;
int y1=INDENT_TOP+(EDIT_HEIGHT+CONTROLS_GAP_Y);
int x2=x1+BUTTON_WIDTH;
int y2=y1+BUTTON_HEIGHT;
//--- create
if(!m_bmpbutton1.Create(m_chart_id,m_name+"BmpButton1",m_subwin,x1,y1,x2,y2))
return(false);
//--- sets the name of bmp files of the control CBmpButton
m_bmpbutton1.BmpNames("\\Images\\euro.bmp","\\Images\\dollar.bmp");
if(!Add(m_bmpbutton1))
return(false);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Create the "BmpButton2" fixed button |
//+------------------------------------------------------------------+
bool CControlsDialog::CreateBmpButton2(void)
{
//--- coordinates
int x1=INDENT_LEFT+2*(BUTTON_WIDTH+CONTROLS_GAP_X);
int y1=INDENT_TOP+(EDIT_HEIGHT+CONTROLS_GAP_Y);
int x2=x1+BUTTON_WIDTH;
int y2=y1+BUTTON_HEIGHT;
//--- create
if(!m_bmpbutton2.Create(m_chart_id,m_name+"BmpButton2",m_subwin,x1,y1,x2,y2))
return(false);
//--- sets the name of bmp files of the control CBmpButton
m_bmpbutton2.BmpNames("\\Images\\euro.bmp","\\Images\\dollar.bmp");
if(!Add(m_bmpbutton2))
return(false);
m_bmpbutton2.Locking(true);
//--- succeed
return(true);
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CControlsDialog::OnClickBmpButton1(void)
{
Comment(__FUNCTION__);
}
//+------------------------------------------------------------------+
//| Event handler |
//+------------------------------------------------------------------+
void CControlsDialog::OnClickBmpButton2(void)
{
if(m_bmpbutton2.Pressed())
Comment(__FUNCTION__+" State of the control is: On");
else
Comment(__FUNCTION__+" State of the control is: Off");
}
//+------------------------------------------------------------------+
//| 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)
{
//---
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);
}