初步修复
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480
Third/XTToolkitPro/Samples/PropertyGrid/DrawClient/drawtool.cpp
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Third/XTToolkitPro/Samples/PropertyGrid/DrawClient/drawtool.cpp
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// drawtool.cpp - implementation for drawing tools
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//
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// This file is a part of the XTREME TOOLKIT PRO MFC class library.
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// (c)1998-2008 Codejock Software, All Rights Reserved.
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//
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// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
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// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
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// CONSENT OF CODEJOCK SOFTWARE.
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//
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// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
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// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
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// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
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// SINGLE COMPUTER.
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//
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// CONTACT INFORMATION:
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// support@codejock.com
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// http://www.codejock.com
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "drawcli.h"
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#include "drawdoc.h"
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#include "drawvw.h"
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#include "drawobj.h"
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#include "drawtool.h"
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/////////////////////////////////////////////////////////////////////////////
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// CDrawTool implementation
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CPtrList CDrawTool::c_tools;
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static CSelectTool selectTool;
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static CRectTool lineTool(line);
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static CRectTool rectTool(rect);
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static CRectTool roundRectTool(roundRect);
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static CRectTool ellipseTool(ellipse);
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static CPolyTool polyTool;
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CPoint CDrawTool::c_down;
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UINT CDrawTool::c_nDownFlags;
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CPoint CDrawTool::c_last;
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DrawShape CDrawTool::c_drawShape = selection;
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CDrawTool::CDrawTool(DrawShape drawShape)
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{
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m_drawShape = drawShape;
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c_tools.AddTail(this);
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}
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CDrawTool* CDrawTool::FindTool(DrawShape drawShape)
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{
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POSITION pos = c_tools.GetHeadPosition();
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while (pos != NULL)
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{
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CDrawTool* pTool = (CDrawTool*)c_tools.GetNext(pos);
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if (pTool->m_drawShape == drawShape)
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return pTool;
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}
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return NULL;
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}
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void CDrawTool::OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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// deactivate any in-place active item on this view!
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COleClientItem* pActiveItem = pView->GetDocument()->GetInPlaceActiveItem(pView);
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if (pActiveItem != NULL)
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{
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pActiveItem->Close();
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ASSERT(pView->GetDocument()->GetInPlaceActiveItem(pView) == NULL);
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}
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pView->SetCapture();
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c_nDownFlags = nFlags;
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c_down = point;
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c_last = point;
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}
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void CDrawTool::OnLButtonDblClk(CDrawView* /*pView*/, UINT /*nFlags*/, const CPoint& /*point*/)
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{
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}
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void CDrawTool::OnLButtonUp(CDrawView* /*pView*/, UINT /*nFlags*/, const CPoint& point)
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{
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ReleaseCapture();
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if (point == c_down)
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c_drawShape = selection;
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}
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void CDrawTool::OnMouseMove(CDrawView* /*pView*/, UINT /*nFlags*/, const CPoint& point)
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{
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c_last = point;
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_ARROW));
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}
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void CDrawTool::OnEditProperties(CDrawView* /*pView*/)
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{
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}
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void CDrawTool::OnCancel()
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{
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c_drawShape = selection;
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}
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////////////////////////////////////////////////////////////////////////////
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// CResizeTool
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enum SelectMode
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{
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selnone,
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netSelect,
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move,
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size
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};
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SelectMode selectMode = selnone;
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int nDragHandle;
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CPoint lastPoint;
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CSelectTool::CSelectTool()
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: CDrawTool(selection)
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{
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}
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void CSelectTool::OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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CPoint local = point;
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pView->ClientToDoc(local);
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CDrawObj* pObj;
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selectMode = selnone;
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((CMainFrame*)AfxGetMainWnd())->m_bInUpdate = TRUE;
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// Check for resizing (only allowed on single selections)
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if (pView->m_selection.GetCount() == 1)
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{
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pObj = pView->m_selection.GetHead();
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nDragHandle = pObj->HitTest(local, pView, TRUE);
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if (nDragHandle != 0)
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selectMode = size;
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}
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// See if the click was on an object, select and start move if so
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if (selectMode == selnone)
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{
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pObj = pView->GetDocument()->ObjectAt(local);
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if (pObj != NULL)
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{
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selectMode = move;
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if (!pView->IsSelected(pObj))
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pView->Select(pObj, (nFlags & MK_SHIFT) != 0);
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// Ctrl+Click clones the selection...
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if ((nFlags & MK_CONTROL) != 0)
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pView->CloneSelection();
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}
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}
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// Click on background, start a net-selection
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if (selectMode == selnone)
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{
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if ((nFlags & MK_SHIFT) == 0)
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pView->Select(NULL);
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selectMode = netSelect;
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CClientDC dc(pView);
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CRect rect(point.x, point.y, point.x, point.y);
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rect.NormalizeRect();
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dc.DrawFocusRect(rect);
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}
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((CMainFrame*)AfxGetMainWnd())->m_bInUpdate = FALSE;
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((CMainFrame*)AfxGetMainWnd())->UpdatePropertyGridContent(pView);
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lastPoint = local;
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CDrawTool::OnLButtonDown(pView, nFlags, point);
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}
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void CSelectTool::OnLButtonDblClk(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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if ((nFlags & MK_SHIFT) != 0)
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{
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// Shift+DblClk deselects object...
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CPoint local = point;
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pView->ClientToDoc(local);
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CDrawObj* pObj = pView->GetDocument()->ObjectAt(local);
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if (pObj != NULL)
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pView->Deselect(pObj);
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}
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else
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{
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// "Normal" DblClk opens properties, or OLE server...
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if (pView->m_selection.GetCount() == 1)
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pView->m_selection.GetHead()->OnOpen(pView);
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}
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CDrawTool::OnLButtonDblClk(pView, nFlags, point);
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}
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void CSelectTool::OnEditProperties(CDrawView* pView)
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{
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if (pView->m_selection.GetCount() == 1)
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pView->m_selection.GetHead()->OnEditProperties();
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}
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void CSelectTool::OnLButtonUp(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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if (pView->GetCapture() == pView)
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{
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if (selectMode == netSelect)
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{
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CClientDC dc(pView);
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CRect rect(c_down.x, c_down.y, c_last.x, c_last.y);
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rect.NormalizeRect();
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dc.DrawFocusRect(rect);
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pView->SelectWithinRect(rect, TRUE);
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}
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else if (selectMode != selnone)
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{
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pView->GetDocument()->UpdateAllViews(pView);
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}
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}
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CDrawTool::OnLButtonUp(pView, nFlags, point);
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}
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void CSelectTool::OnMouseMove(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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if (pView->GetCapture() != pView)
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{
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if (c_drawShape == selection && pView->m_selection.GetCount() == 1)
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{
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CDrawObj* pObj = pView->m_selection.GetHead();
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CPoint local = point;
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pView->ClientToDoc(local);
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int nHandle = pObj->HitTest(local, pView, TRUE);
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if (nHandle != 0)
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{
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SetCursor(pObj->GetHandleCursor(nHandle));
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return; // bypass CDrawTool
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}
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}
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if (c_drawShape == selection)
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CDrawTool::OnMouseMove(pView, nFlags, point);
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return;
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}
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if (selectMode == netSelect)
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{
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CClientDC dc(pView);
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CRect rect(c_down.x, c_down.y, c_last.x, c_last.y);
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rect.NormalizeRect();
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dc.DrawFocusRect(rect);
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rect.SetRect(c_down.x, c_down.y, point.x, point.y);
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rect.NormalizeRect();
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dc.DrawFocusRect(rect);
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CDrawTool::OnMouseMove(pView, nFlags, point);
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return;
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}
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CPoint local = point;
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pView->ClientToDoc(local);
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CPoint delta = (CPoint)(local - lastPoint);
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POSITION pos = pView->m_selection.GetHeadPosition();
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while (pos != NULL)
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{
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CDrawObj* pObj = pView->m_selection.GetNext(pos);
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CRect position = pObj->m_position;
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if (selectMode == move)
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{
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position += delta;
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pObj->MoveTo(position, pView);
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}
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else if (nDragHandle != 0)
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{
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pObj->MoveHandleTo(nDragHandle, local, pView);
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}
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}
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lastPoint = local;
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if (selectMode == size && c_drawShape == selection)
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{
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c_last = point;
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SetCursor(pView->m_selection.GetHead()->GetHandleCursor(nDragHandle));
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return; // bypass CDrawTool
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}
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c_last = point;
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if (c_drawShape == selection)
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CDrawTool::OnMouseMove(pView, nFlags, point);
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}
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////////////////////////////////////////////////////////////////////////////
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// CRectTool (does rectangles, round-rectangles, and ellipses)
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CRectTool::CRectTool(DrawShape drawShape)
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: CDrawTool(drawShape)
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{
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}
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void CRectTool::OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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CDrawTool::OnLButtonDown(pView, nFlags, point);
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CPoint local = point;
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pView->ClientToDoc(local);
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CDrawRect* pObj = new CDrawRect(CRect(local, CSize(0, 0)));
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switch (m_drawShape)
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{
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default:
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ASSERT(FALSE); // unsuported shape!
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case rect:
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pObj->m_nShape = CDrawRect::rectangle;
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break;
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case roundRect:
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pObj->m_nShape = CDrawRect::roundRectangle;
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break;
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case ellipse:
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pObj->m_nShape = CDrawRect::ellipse;
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break;
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case line:
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pObj->m_nShape = CDrawRect::line;
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break;
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}
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pView->GetDocument()->Add(pObj);
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pView->Select(pObj);
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selectMode = size;
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nDragHandle = 1;
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lastPoint = local;
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}
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void CRectTool::OnLButtonDblClk(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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CDrawTool::OnLButtonDblClk(pView, nFlags, point);
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}
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void CRectTool::OnLButtonUp(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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if (point == c_down)
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{
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// Don't create empty objects...
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CDrawObj *pObj = pView->m_selection.GetTail();
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pView->GetDocument()->Remove(pObj);
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pObj->Remove();
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selectTool.OnLButtonDown(pView, nFlags, point); // try a select!
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}
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selectTool.OnLButtonUp(pView, nFlags, point);
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}
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void CRectTool::OnMouseMove(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_CROSS));
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selectTool.OnMouseMove(pView, nFlags, point);
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}
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////////////////////////////////////////////////////////////////////////////
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// CPolyTool
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CPolyTool::CPolyTool()
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: CDrawTool(poly)
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{
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m_pDrawObj = NULL;
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}
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void CPolyTool::OnLButtonDown(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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CDrawTool::OnLButtonDown(pView, nFlags, point);
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CPoint local = point;
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pView->ClientToDoc(local);
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if (m_pDrawObj == NULL)
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{
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pView->SetCapture();
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m_pDrawObj = new CDrawPoly(CRect(local, CSize(0, 0)));
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pView->GetDocument()->Add(m_pDrawObj);
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pView->Select(m_pDrawObj);
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m_pDrawObj->AddPoint(local, pView);
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}
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else if (local == m_pDrawObj->m_points[0])
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{
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// Stop when the first point is repeated...
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ReleaseCapture();
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m_pDrawObj->m_nPoints -= 1;
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if (m_pDrawObj->m_nPoints < 2)
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{
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m_pDrawObj->Remove();
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}
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else
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{
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pView->InvalObj(m_pDrawObj);
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}
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m_pDrawObj = NULL;
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c_drawShape = selection;
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return;
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}
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local.x += 1; // adjacent points can't be the same!
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m_pDrawObj->AddPoint(local, pView);
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selectMode = size;
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nDragHandle = m_pDrawObj->GetHandleCount();
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lastPoint = local;
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}
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void CPolyTool::OnLButtonUp(CDrawView* /*pView*/, UINT /*nFlags*/, const CPoint& /*point*/)
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{
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// Don't release capture yet!
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}
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void CPolyTool::OnMouseMove(CDrawView* pView, UINT nFlags, const CPoint& point)
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{
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if (m_pDrawObj != NULL && (nFlags & MK_LBUTTON) != 0)
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{
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CPoint local = point;
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pView->ClientToDoc(local);
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m_pDrawObj->AddPoint(local);
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nDragHandle = m_pDrawObj->GetHandleCount();
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lastPoint = local;
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c_last = point;
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SetCursor(AfxGetApp()->LoadCursor(IDC_PENCIL));
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}
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else
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{
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SetCursor(AfxGetApp()->LoadStandardCursor(IDC_CROSS));
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selectTool.OnMouseMove(pView, nFlags, point);
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}
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}
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void CPolyTool::OnLButtonDblClk(CDrawView* pView, UINT , const CPoint& )
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{
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ReleaseCapture();
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int nPoints = m_pDrawObj->m_nPoints;
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if (nPoints > 2 &&
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(m_pDrawObj->m_points[nPoints - 1] == m_pDrawObj->m_points[nPoints - 2] ||
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m_pDrawObj->m_points[nPoints - 1].x - 1 == m_pDrawObj->m_points[nPoints - 2].x &&
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m_pDrawObj->m_points[nPoints - 1].y == m_pDrawObj->m_points[nPoints - 2].y))
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{
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// Nuke the last point if it's the same as the next to last...
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m_pDrawObj->m_nPoints -= 1;
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pView->InvalObj(m_pDrawObj);
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}
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m_pDrawObj = NULL;
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c_drawShape = selection;
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}
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void CPolyTool::OnCancel()
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{
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CDrawTool::OnCancel();
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m_pDrawObj = NULL;
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}
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/////////////////////////////////////////////////////////////////////////////
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