Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/pop/MTREECTL.CPP
+++ b/pop/MTREECTL.CPP
@@ -0,0 +1,206 @@
+// MyTreeCtrl.cpp : implementation file
+//
+
+// This is a part of the Microsoft Foundation Classes C++ library.
+// Copyright (C) 1992-1997 Microsoft Corporation
+// All rights reserved.
+//
+// This source code is only intended as a supplement to the
+// Microsoft Foundation Classes Reference and related
+// electronic documentation provided with the library.
+// See these sources for detailed information regarding the
+// Microsoft Foundation Classes product.
+
+#include "stdafx.h"
+#include "ctrldemo.h"
+#include "mtreectl.h"
+#include "treecpg.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// CMyTreeCtrl
+
+CMyTreeCtrl::CMyTreeCtrl()
+{
+	m_bDragging = FALSE;
+	m_pimagelist = NULL;
+}
+
+CMyTreeCtrl::~CMyTreeCtrl()
+{
+}
+
+
+BEGIN_MESSAGE_MAP(CMyTreeCtrl, CTreeCtrl)
+	//{{AFX_MSG_MAP(CMyTreeCtrl)
+	ON_NOTIFY_REFLECT(TVN_ENDLABELEDIT, OnEndLabelEdit)
+	ON_NOTIFY_REFLECT(TVN_BEGINDRAG, OnBeginDrag)
+	ON_NOTIFY_REFLECT(TVN_BEGINRDRAG, OnBeginDrag)
+	ON_WM_MOUSEMOVE()
+	ON_WM_DESTROY()
+	ON_WM_LBUTTONUP()
+	ON_WM_RBUTTONUP()
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// CMyTreeCtrl message handlers
+void CMyTreeCtrl::OnDestroy()
+{
+	CImageList	*pimagelist;
+
+	pimagelist = GetImageList(TVSIL_NORMAL);
+	pimagelist->DeleteImageList();
+	delete pimagelist;
+}
+
+void CMyTreeCtrl::SetNewStyle(long lStyleMask, BOOL bSetBits)
+{
+	long		lStyleOld;
+
+	lStyleOld = GetWindowLong(m_hWnd, GWL_STYLE);
+	lStyleOld &= ~lStyleMask;
+	if (bSetBits)
+		lStyleOld |= lStyleMask;
+
+	SetWindowLong(m_hWnd, GWL_STYLE, lStyleOld);
+	SetWindowPos(NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
+}
+
+void CMyTreeCtrl::OnEndLabelEdit(LPNMHDR pnmhdr, LRESULT *pLResult)
+{
+	TV_DISPINFO		*ptvinfo;
+
+	((CTreeCtrlPage *)GetParent())->ShowNotification(pnmhdr, pLResult);
+	ptvinfo = (TV_DISPINFO *)pnmhdr;
+	if (ptvinfo->item.pszText != NULL)
+	{
+		ptvinfo->item.mask = TVIF_TEXT;
+		SetItem(&ptvinfo->item);
+	}
+	*pLResult = TRUE;
+}
+
+void CMyTreeCtrl::OnMouseMove(UINT nFlags, CPoint point)
+{
+	HTREEITEM			hitem;
+	UINT				flags;
+
+	if (m_bDragging)
+	{
+		ASSERT(m_pimagelist != NULL);
+		m_pimagelist->DragMove(point);
+		if ((hitem = HitTest(point, &flags)) != NULL)
+		{
+			m_pimagelist->DragLeave(this);
+			SelectDropTarget(hitem);
+			m_hitemDrop = hitem;
+			m_pimagelist->DragEnter(this, point);
+		}
+	}
+
+	CTreeCtrl::OnMouseMove(nFlags, point);
+}
+
+BOOL CMyTreeCtrl::IsChildNodeOf(HTREEITEM hitemChild, HTREEITEM hitemSuspectedParent)
+{
+	do
+	{
+		if (hitemChild == hitemSuspectedParent)
+			break;
+	}
+	while ((hitemChild = GetParentItem(hitemChild)) != NULL);
+
+	return (hitemChild != NULL);
+}
+
+
+BOOL CMyTreeCtrl::TransferItem(HTREEITEM hitemDrag, HTREEITEM hitemDrop)
+{
+	TV_INSERTSTRUCT		tvstruct;
+	TCHAR				sztBuffer[50];
+	HTREEITEM			hNewItem, hFirstChild;
+
+		// avoid an infinite recursion situation
+	tvstruct.item.hItem = hitemDrag;
+	tvstruct.item.cchTextMax = 49;
+	tvstruct.item.pszText = sztBuffer;
+	tvstruct.item.mask = TVIF_CHILDREN | TVIF_HANDLE | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_TEXT;
+	GetItem(&tvstruct.item);  // get information of the dragged element
+	tvstruct.hParent = hitemDrop;
+	tvstruct.hInsertAfter = TVI_SORT;
+	tvstruct.item.mask = TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_TEXT;
+	hNewItem = InsertItem(&tvstruct);
+
+	while ((hFirstChild = GetChildItem(hitemDrag)) != NULL)
+	{
+		TransferItem(hFirstChild, hNewItem);  // recursively transfer all the items
+		DeleteItem(hFirstChild);		// delete the first child and all its children
+	}
+	return TRUE;
+}
+
+void CMyTreeCtrl::OnButtonUp()
+{
+	if (m_bDragging)
+	{
+		ASSERT(m_pimagelist != NULL);
+		m_pimagelist->DragLeave(this);
+		m_pimagelist->EndDrag();
+		delete m_pimagelist;
+		m_pimagelist = NULL;
+
+		if (m_hitemDrag != m_hitemDrop && !IsChildNodeOf(m_hitemDrop, m_hitemDrag) && 
+															GetParentItem(m_hitemDrag) != m_hitemDrop)
+		{
+			TransferItem(m_hitemDrag, m_hitemDrop);
+			DeleteItem(m_hitemDrag);
+		}
+		else
+			MessageBeep(0);
+
+		ReleaseCapture();
+		m_bDragging = FALSE;
+		SelectDropTarget(NULL);
+	}
+}
+
+void CMyTreeCtrl::OnLButtonUp(UINT nFlags, CPoint point)
+{
+	OnButtonUp();
+	CTreeCtrl::OnLButtonUp(nFlags, point);
+}
+
+void CMyTreeCtrl::OnRButtonUp(UINT nFlags, CPoint point)
+{
+	OnButtonUp();
+	CTreeCtrl::OnRButtonUp(nFlags, point);
+}
+
+void CMyTreeCtrl::OnBeginDrag(LPNMHDR pnmhdr, LRESULT *pLResult)
+{
+	CPoint		ptAction;
+	UINT		nFlags;
+
+	GetCursorPos(&ptAction);
+	ScreenToClient(&ptAction);
+	((CTreeCtrlPage *)GetParent())->ShowNotification(pnmhdr, pLResult);
+	ASSERT(!m_bDragging);
+	m_bDragging = TRUE;
+	m_hitemDrag = HitTest(ptAction, &nFlags);
+	m_hitemDrop = NULL;
+
+	ASSERT(m_pimagelist == NULL);
+	m_pimagelist = CreateDragImage(m_hitemDrag);  // get the image list for dragging
+	m_pimagelist->DragShowNolock(TRUE);
+	m_pimagelist->SetDragCursorImage(0, CPoint(0, 0));
+	m_pimagelist->BeginDrag(0, CPoint(0,0));
+	m_pimagelist->DragMove(ptAction);
+	m_pimagelist->DragEnter(this, ptAction);
+	SetCapture();
+}