Form Designer

// DDHorzScrollBar.h : Declaration of the CDDHorzScrollBar
//
// Author : David Shepherd
//			Copyright (c) 2003, DaeDoe-Software
//
/////////////////////////////////////////////////////////////////////////////

#pragma once

#include "resource.h"       // main symbols
#include <atlctl.h>

/////////////////////////////////////////////////////////////////////////////
// IDDHorzScrollBar
[
	object,
	uuid("C00D5EF4-A166-447D-A934-3B91E856C5FC"),
	dual,
	helpstring("IDDHorzScrollBar Interface"),
	pointer_default(unique)
]
__interface IDDHorzScrollBar : public IDispatch
{
	////////////////////////////////////////
	// enabled
	[propget, requestedit, bindable,
		id(DISPID_ENABLED),
		helpstring("")]
	HRESULT Enabled([out, retval] VARIANT_BOOL* pVal);
	[propput, requestedit, bindable,
		id(DISPID_ENABLED),
		helpstring("")]
	HRESULT Enabled([in] VARIANT_BOOL newVal);
	////////////////////////////////////////
	// minimum value
	[propget, requestedit, bindable,
		id(DISPID_MINVALUE),
		helpstring("")]
	HRESULT Min([out, retval] LONG* pVal);
	[propput, requestedit, bindable,
		id(DISPID_MINVALUE),
		helpstring("")]
	HRESULT Min([in] LONG newVal);
	////////////////////////////////////////
	// maximum value
	[propget, requestedit, bindable,
		id(DISPID_MAXVALUE),
		helpstring("")]
	HRESULT Max([out, retval] LONG* pVal);
	[propput, requestedit, bindable,
		id(DISPID_MAXVALUE),
		helpstring("")]
	HRESULT Max([in] LONG newVal);
	////////////////////////////////////////
	// small step
	[propget, requestedit, bindable,
		id(DISPID_SMALLSTEP),
		helpstring("")]
	HRESULT SmallStep([out, retval] LONG* pVal);
	[propput, requestedit, bindable,
		id(DISPID_SMALLSTEP),
		helpstring("")]
	HRESULT SmallStep([in] LONG newVal);
	////////////////////////////////////////
	// large step
	[propget, requestedit, bindable,
		id(DISPID_LARGESTEP),
		helpstring("")]
	HRESULT LargeStep([out, retval] LONG* pVal);
	[propput, requestedit, bindable,
		id(DISPID_LARGESTEP),
		helpstring("")]
	HRESULT LargeStep([in] LONG newVal);
	////////////////////////////////////////
	// value
	[propget, requestedit, bindable,
		id(DISPID_VALUE_NOTDEFAULT),
		helpstring("")]
	HRESULT Value([out, retval] LONG* pVal);
	[propput, requestedit, bindable,
		id(DISPID_VALUE_NOTDEFAULT),
		helpstring("")]
	HRESULT Value([in] LONG newVal);
	////////////////////////////////////////
	// default property
	[propget, nonbrowsable,
		id(DISPID_VALUE),
		helpstring("")]
	HRESULT _Default([out, retval] LONG* pVal);
	[propput, nonbrowsable,
		id(DISPID_VALUE),
		helpstring("")]
	HRESULT _Default([in] LONG newVal);
};

/////////////////////////////////////////////////////////////////////////////
// _IDDHorzScrollBarEvents
[
	uuid("F332CF89-16C0-4F86-9CB1-DA3414048581"),
	dispinterface,
	helpstring("_IDDHorzScrollBarEvents Interface")
]
__interface _IDDHorzScrollBarEvents
{
	[id(1), helpstring("")] HRESULT Change();
	[id(2), helpstring("")] HRESULT Scroll();
};

/////////////////////////////////////////////////////////////////////////////
// CDDHorzScrollBar
[
	coclass,
	threading("apartment"),
	vi_progid("DDControlPack.DDHorzScrollBar"),
	progid("DDControlPack.DDHorzScrollBar.1"),
	version(1.0),
	uuid("192A56C3-7D0E-45CC-85A3-7ED56E0755E8"),
	helpstring("DDHorzScrollBar Class"),
	event_source("com"),
	support_error_info(IDDHorzScrollBar),
	registration_script("control.rgs")
]
class ATL_NO_VTABLE CDDHorzScrollBar :
	public IDispatchImpl<IDDHorzScrollBar>,
	public IPersistStreamInitImpl<CDDHorzScrollBar>,
	public IOleControlImpl<CDDHorzScrollBar>,
	public IOleObjectImpl<CDDHorzScrollBar>,
	public IOleInPlaceActiveObjectImpl<CDDHorzScrollBar>,
	public IViewObjectExImpl<CDDHorzScrollBar>,
	public IOleInPlaceObjectWindowlessImpl<CDDHorzScrollBar>,
	public IPersistStorageImpl<CDDHorzScrollBar>,
	public ISpecifyPropertyPagesImpl<CDDHorzScrollBar>,
	public IQuickActivateImpl<CDDHorzScrollBar>,
	public IDataObjectImpl<CDDHorzScrollBar>,
	public CComControl<CDDHorzScrollBar>
{
private:
	CContainedWindow m_ctlScrollBar;

	__event __interface _IDDHorzScrollBarEvents;

/////////////////////////////////////////////////////////////////////////////
// properties
	LONG					m_Reserved0;			// reserved
	LONG					m_Reserved1;			// reserved
	VARIANT_BOOL			m_Enabled;				// enabled
	LONG					m_MinValue;				// minimum value
	LONG					m_MaxValue;				// maximum value
	LONG					m_SmallStep;			// small step
	LONG					m_LargeStep;			// large step
	LONG					m_Value;				// value

/////////////////////////////////////////////////////////////////////////////
// property change validators
	HRESULT OnSmallStepChanging(LONG newVal);
	HRESULT OnLargeStepChanging(LONG newVal);
	HRESULT OnValueChanging(LONG newVal);

/////////////////////////////////////////////////////////////////////////////
// property change handlers
	void OnEnabledChanged();
	void OnValueChanged();

/////////////////////////////////////////////////////////////////////////////

	// returns the value for the passed scroll position
	LONG ValueFromScrollPos(LONG Pos);
	// returns the scroll position for the passed value
	LONG ScrollPosFromValue(LONG Value);

	// returns the normalised minimum value
	LONG NormalisedMinValue();
	// returns the normalised maximum value
	LONG NormalisedMaxValue();

public:
	CDDHorzScrollBar();

DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct();
	void FinalRelease();

static const TCHAR* GetObjectFriendlyName();

DECLARE_OLEMISC_STATUS(
	OLEMISC_RECOMPOSEONRESIZE |
	OLEMISC_CANTLINKINSIDE |
	OLEMISC_INSIDEOUT |
	OLEMISC_ACTIVATEWHENVISIBLE |
	OLEMISC_SETCLIENTSITEFIRST)

BEGIN_PROP_MAP(CDDHorzScrollBar)
	PROP_DATA_ENTRY("_reserved0", m_Reserved0, VT_I4)
	PROP_DATA_ENTRY("_reserved1", m_Reserved1, VT_I4)
	PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
	PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
	PROP_ENTRY("Enabled", DISPID_ENABLED, CLSID_NULL)
	PROP_ENTRY("MinValue", DISPID_MINVALUE, CLSID_NULL)
	PROP_ENTRY("MaxValue", DISPID_MAXVALUE, CLSID_NULL)
	PROP_ENTRY("SmallStep", DISPID_SMALLSTEP, CLSID_NULL)
	PROP_ENTRY("LargeStep", DISPID_LARGESTEP, CLSID_NULL)
	PROP_ENTRY("Value", DISPID_VALUE_NOTDEFAULT, CLSID_NULL)
	// Example entries
	// PROP_ENTRY("Property Description", dispid, clsid)
	// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()

BEGIN_MSG_MAP(CDDHorzScrollBar)
	MESSAGE_HANDLER(WM_CREATE, OnCreate)
	MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
	MESSAGE_HANDLER(WM_HSCROLL, OnHScroll)
	CHAIN_MSG_MAP(CComControl<CDDHorzScrollBar>)
ALT_MSG_MAP(1)
	// Replace this with message map entries for superclassed ScrollBar
END_MSG_MAP()
// Handler prototypes:
//  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
//  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
//  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);

// message handlers
	BOOL PreTranslateAccelerator(LPMSG pMsg, HRESULT& hRet);
	LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
	LRESULT OnHScroll(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);

// IOleInPlaceObjectWindowless
	STDMETHOD(SetObjectRects)(LPCRECT prcPos,LPCRECT prcClip);

// IViewObjectEx
	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

// IDDHorzScrollBar
	IMPLEMENT_CUSTOM_BOOL_PROPERTY(Enabled,m_Enabled,DISPID_ENABLED);
	STDMETHOD(get_Min)(LONG *pVal);
	STDMETHOD(put_Min)(LONG newVal);
	STDMETHOD(get_Max)(LONG *pVal);
	STDMETHOD(put_Max)(LONG newVal);
	IMPLEMENT_CUSTOM_PROPERTY(LONG,SmallStep,m_SmallStep,DISPID_SMALLSTEP);
	IMPLEMENT_CUSTOM_PROPERTY(LONG,LargeStep,m_LargeStep,DISPID_LARGESTEP);
	IMPLEMENT_CUSTOM_PROPERTY(LONG,Value,m_Value,DISPID_VALUE_NOTDEFAULT);
	STDMETHOD(get__Default)(LONG* pVal);
	STDMETHOD(put__Default)(LONG newVal);
};