// drawvw.h : interface of the CDrawView class
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 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.
// Hints for UpdateAllViews/OnUpdate
#define HINT_UPDATE_WINDOW 0
#define HINT_UPDATE_DRAWOBJ 1
#define HINT_UPDATE_SELECTION 2
#define HINT_DELETE_SELECTION 3
#define HINT_UPDATE_OLE_ITEMS 4
#define HINT_UPDATE_TOOLBAR_COLOR_BUTTONS 5
class CDrawObj;
class CDrawView : public CScrollView
{
protected: // create from serialization only
CDrawView();
DECLARE_DYNCREATE(CDrawView)
// Attributes
public:
CDrawDoc* GetDocument()
{ return (CDrawDoc*)m_pDocument; }
void SetPageSize(CSize size);
CRect GetInitialPosition();
// Operations
public:
void DocToClient(CRect& rect);
void DocToClient(CPoint& point);
void ClientToDoc(CPoint& point);
void ClientToDoc(CRect& rect);
void Select(CDrawObj* pObj, BOOL bAdd = FALSE);
void SelectWithinRect(CRect rect, BOOL bAdd = FALSE);
void Deselect(CDrawObj* pObj);
void CloneSelection();
void UpdateActiveItem();
void InvalObj(CDrawObj* pObj);
void Remove(CDrawObj* pObj);
void PasteNative(COleDataObject& dataObject);
void PasteEmbedded(COleDataObject& dataObject, CPoint point );
// Implementation
protected:
// added for drop-target functionality
COleDropTarget m_dropTarget; // for drop target functionality
CPoint m_dragPoint; // current position
CSize m_dragSize; // size of dragged object
CSize m_dragOffset; // offset between pt and drag object corner
DROPEFFECT m_prevDropEffect;
BOOL m_bDragDataAcceptable;
BOOL GetObjectInfo(COleDataObject* pDataObject,
CSize* pSize, CSize* pOffset);
// end of drop-target additions
public:
virtual ~CDrawView();
#ifdef _DEBUG
virtual void AssertValid() const;
virtual void Dump(CDumpContext& dc) const;
#endif
virtual void OnPrint(CDC* pDC, CPrintInfo* pInfo); // overriden to record time/date
virtual void OnDraw(CDC* pDC); // overridden to draw this view
virtual void OnActivateView(BOOL bActivate, CView* pActiveView, CView* pDeactiveView);
virtual void OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint);
virtual void OnPrepareDC(CDC* pDC, CPrintInfo* pInfo);
virtual BOOL OnScrollBy(CSize sizeScroll, BOOL bDoScroll);
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
void DrawGrid(CDC* pDC);
// added for drop-target functionality
virtual BOOL OnDrop(COleDataObject* pDataObject,
DROPEFFECT dropEffect, CPoint point);
virtual DROPEFFECT OnDragEnter(COleDataObject* pDataObject,
DWORD grfKeyState, CPoint point);
virtual DROPEFFECT OnDragOver(COleDataObject* pDataObject,
DWORD grfKeyState, CPoint point);
virtual void OnDragLeave();
static CLIPFORMAT m_cfObjectDescriptor;
// end of drop-target additions
static CLIPFORMAT m_cfDraw; // custom clipboard format
CDrawObjList m_selection;
BOOL m_bGrid;
COLORREF m_gridColor;
BOOL m_bActive; // is the view active?
void SyncToolbarObjButtons();
protected:
virtual void OnInitialUpdate(); // called first time after construct
// Printing support
virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
virtual void OnBeginPrinting(CDC* pDC, CPrintInfo* pInfo);
virtual void OnEndPrinting(CDC* pDC, CPrintInfo* pInfo);
// OLE Container support
public:
virtual BOOL IsSelected(const CObject* pDocItem) const;
// Generated message map functions
protected:
//{{AFX_MSG(CDrawView)
afx_msg void OnInsertObject();
afx_msg void OnCancelEdit();
afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
afx_msg void OnDrawSelect();
afx_msg void OnDrawRoundRect();
afx_msg void OnDrawRect();
afx_msg void OnDrawLine();
afx_msg void OnDrawEllipse();
afx_msg void OnUpdateDrawEllipse(CCmdUI* pCmdUI);
afx_msg void OnUpdateDrawLine(CCmdUI* pCmdUI);
afx_msg void OnUpdateDrawRect(CCmdUI* pCmdUI);
afx_msg void OnUpdateDrawRoundRect(CCmdUI* pCmdUI);
afx_msg void OnUpdateDrawSelect(CCmdUI* pCmdUI);
afx_msg void OnUpdateSingleSelect(CCmdUI* pCmdUI);
afx_msg void OnEditSelectAll();
afx_msg void OnEditClear();
afx_msg void OnUpdateAnySelect(CCmdUI* pCmdUI);
afx_msg void OnDrawPolygon();
afx_msg void OnUpdateDrawPolygon(CCmdUI* pCmdUI);
afx_msg void OnSize(UINT nType, int cx, int cy);
afx_msg void OnViewGrid();
afx_msg void OnUpdateViewGrid(CCmdUI* pCmdUI);
afx_msg BOOL OnEraseBkgnd(CDC* pDC);
afx_msg void OnObjectFillColor();
afx_msg void OnObjectLineColor();
afx_msg void OnObjectMoveBack();
afx_msg void OnObjectMoveForward();
afx_msg void OnObjectMoveToBack();
afx_msg void OnObjectMoveToFront();
afx_msg void OnEditCopy();
afx_msg void OnUpdateEditCopy(CCmdUI* pCmdUI);
afx_msg void OnEditCut();
afx_msg void OnUpdateEditCut(CCmdUI* pCmdUI);
afx_msg void OnEditPaste();
afx_msg void OnUpdateEditPaste(CCmdUI* pCmdUI);
afx_msg void OnFilePrint();
afx_msg void OnSetFocus(CWnd* pOldWnd);
afx_msg void OnViewShowObjects();
afx_msg void OnUpdateViewShowObjects(CCmdUI* pCmdUI);
afx_msg void OnEditProperties();
afx_msg void OnUpdateEditProperties(CCmdUI* pCmdUI);
afx_msg void OnDestroy();
afx_msg void OnUpdateEditSelectAll(CCmdUI* pCmdUI);
afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
afx_msg void OnContextMenu(CWnd* pWnd, CPoint point);
afx_msg void OnUpdateDocLineWidth(CCmdUI* pCmdUI);
//}}AFX_MSG
afx_msg LRESULT OnExtMenuPrepare(WPARAM wParam, LPARAM lParam);
afx_msg LRESULT OnColorChangedFinally(WPARAM wParam, LPARAM lParam);
afx_msg LRESULT OnColorSelectCustom(WPARAM wParam, LPARAM lParam);
afx_msg void OnUpdateSelectionSingle(CCmdUI* pCmdUI);
afx_msg void OnUpdateSelectionNonEmpty(CCmdUI* pCmdUI);
afx_msg void OnLineWidth( UINT nCmdID );
afx_msg void OnUpdateLineWidth( CCmdUI * pCmdUI );
afx_msg LRESULT OnDrawPopupMenuItem(WPARAM wParam, LPARAM lParam);
DECLARE_MESSAGE_MAP()
};
/////////////////////////////////////////////////////////////////////////////