Click here to Skip to main content
15,892,697 members
Articles / Desktop Programming / MFC

Screen Designer Classes

Rate me:
Please Sign up or sign in to vote.
4.93/5 (39 votes)
7 Mar 20045 min read 147.7K   3.9K   109  
Screen Designer Classes for MFC applications
// Copyright � 2002 Oink!
// FILE NAME	: DynControlBar.cpp
// DESCRIPTION	: Control toolbar
//
// PROGRAMMER	DATE		PATCH	DESCRIPTION
// ============	===========	=======	===============================================

#include "stdafx.h"
#include "DynControlBar.h"
#include <afxadv.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CDynControlBar

CDynControlBar::CDynControlBar()
{
	// default constructor

	// initialise the clipboard format for drag and drop
	m_nIDClipFormat = RegisterClipboardFormat("ScreenDesigner");
	m_bMakingVisible = FALSE;
}

CDynControlBar::~CDynControlBar()
{
}

BEGIN_MESSAGE_MAP(CDynControlBar, CToolBar)
	//{{AFX_MSG_MAP(CDynControlBar)
	ON_WM_CREATE()
	ON_WM_WINDOWPOSCHANGED()
	//}}AFX_MSG_MAP
	ON_NOTIFY_REFLECT(TBN_BEGINDRAG,BeginDrag)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDynControlBar message handlers


void CDynControlBar::BeginDrag(NMHDR* pNotifyStruct, LRESULT* result)
{
	// called when the user attempts to drag a button

	if (pNotifyStruct->code == TBN_BEGINDRAG)
	{
		COleDataSource srcItem;
		CString sType = _T("");
		HGLOBAL hTextData = 0;	
		TBNOTIFY* sat = (TBNOTIFY*)pNotifyStruct;

		CSharedFile clipb (GMEM_MOVEABLE|GMEM_DDESHARE|GMEM_ZEROINIT);

		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONEDIT)
		{
			dynDropSource.nCursorType = dynDropSource.EDIT;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONEDIT);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONEDITMULTI)
		{
			dynDropSource.nCursorType = dynDropSource.EDIT;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONEDITMULTI);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONLABEL)
		{
			dynDropSource.nCursorType = dynDropSource.LABEL;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONLABEL);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONCOMBO)
		{
			dynDropSource.nCursorType = dynDropSource.COMBO;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONCOMBO);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONGROUP)
		{
			dynDropSource.nCursorType = dynDropSource.GROUP;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONGROUP);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONCHECK)
		{
			dynDropSource.nCursorType = dynDropSource.CHECK;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONCHECK);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONDATE)
		{
			dynDropSource.nCursorType = dynDropSource.DATE;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONDATE);
			sType = strText;
		}
		if (((TBNOTIFY*)pNotifyStruct)->iItem == ID_DYNBUTTONRADIO)
		{
			dynDropSource.nCursorType = dynDropSource.RADIO;
			CString strText;
			strText.Format("%d",ID_DYNBUTTONRADIO);
			sType = strText;
		}
		
		if (sType.IsEmpty())
		{
			// no control selected?
			return;
		}

		GetToolBarCtrl().SetState(((TBNOTIFY*)pNotifyStruct)->iItem,TBSTATE_PRESSED);

		clipb.Write(sType, sType.GetLength()*sizeof(TCHAR));
		hTextData = clipb.Detach();

		srcItem.CacheGlobalData(m_nIDClipFormat, hTextData);
		srcItem.DoDragDrop(DROPEFFECT_COPY,NULL,&dynDropSource);

		GetToolBarCtrl().SetState(((TBNOTIFY*)pNotifyStruct)->iItem,TBSTATE_ENABLED);
	}
}

int CDynControlBar::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	// called to create the toolbar

	if (CToolBar::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	return 0;
}

void CDynControlBar::OnWindowPosChanged(WINDOWPOS* lpwndpos)
{
	// controls closing the screen

	CToolBar::OnWindowPosChanged(lpwndpos);
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


Written By
Web Developer
United Kingdom United Kingdom
This member has not yet provided a Biography. Assume it's interesting and varied, and probably something to do with programming.

Comments and Discussions