105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
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/*--------------------------------------------------------------------------*
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*
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* Microsoft Windows
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* Copyright (C) Microsoft Corporation, 1992 - 1999
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*
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* File: vwtrack.h
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*
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* Contents: Interface file for CViewTracker
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*
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* History: 01-May-98 JeffRo Created
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*
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*--------------------------------------------------------------------------*/
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#ifndef VWTRACK_H
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#define VWTRACK_H
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#pragma once
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#include "amcview.h"
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class CFocusSubclasser;
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class CFrameSubclasser;
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class CViewSubclasser;
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struct TRACKER_INFO;
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typedef void (CALLBACK *TRACKER_CALLBACK)(TRACKER_INFO* pTrackerInfo, bool bAccept, bool bSyncLayout);
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/*
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* This structure is copied in the CViewTracker using its (default) copy
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* constructor. If you add any members for which member-wise copy is not
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* appropriate, you *must* define a copy constructor for this structure.
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*/
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typedef struct TRACKER_INFO
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{
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CView* pView; // View to manage
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CRect rectArea; // Total area available
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CRect rectTracker; // Current tracker position
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CRect rectBounds; // Tracker movement bounds
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BOOL bAllowLeftHide; // Can left pane be hidden
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BOOL bAllowRightHide; // Can right pane be hidden
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LONG_PTR lUserData; // User data
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TRACKER_CALLBACK pCallback; // Tracking completion callback
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} TRACKER_INFO;
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class CHalftoneClientDC : public CClientDC
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{
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public:
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CHalftoneClientDC (CWnd* pwnd)
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: CClientDC (pwnd), m_hBrush(NULL)
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{
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CBrush *pBrush = SelectObject (GetHalftoneBrush ());
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if (pBrush != NULL)
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m_hBrush = *pBrush;
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}
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~CHalftoneClientDC ()
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{
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if (m_hBrush != NULL)
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SelectObject ( CBrush::FromHandle(m_hBrush) );
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}
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private:
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HBRUSH m_hBrush;
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};
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class CViewTracker : public CObject
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{
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DECLARE_DYNAMIC (CViewTracker)
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// private ctor, use StartTracking to create one
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CViewTracker (TRACKER_INFO& TrackerInfo);
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// private dtor
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~CViewTracker() {};
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public:
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static bool StartTracking (TRACKER_INFO* pTrackerInfo);
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void StopTracking (BOOL fAcceptNewPosition);
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void Track(CPoint pt);
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private:
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void DrawTracker (CRect& rect) const;
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CWnd* PrepTrackedWindow (CWnd* pwnd);
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void UnprepTrackedWindow (CWnd* pwnd);
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private:
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/*
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* m_fFullWindowDrag must be first, so it will be initialized first;
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* other member initializers will use m_fFullWindowDrag's setting
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*/
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const bool m_fFullWindowDrag;
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bool m_fRestoreClipChildrenStyle;
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TRACKER_INFO m_Info;
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CHalftoneClientDC mutable m_dc;
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CFocusSubclasser * m_pFocusSubclasser;
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CViewSubclasser * m_pViewSubclasser;
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CFrameSubclasser * m_pFrameSubclasser;
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const LONG m_lOriginalTrackerLeft;
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}; /* class CViewTracker */
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#endif /* VWTRACK_H */
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