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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
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--- a/Editor/XT/Include/XTDockContext.h
+++ b/Editor/XT/Include/XTDockContext.h
@@ -0,0 +1,145 @@
+// XTDockContext.h interface for the CXTDockContext class.
+//
+// This file is a part of the Xtreme Toolkit for MFC.
+// <20>1998-2003 Codejock Software, All Rights Reserved.
+//
+// This source code can only be used under the terms and conditions 
+// outlined in the accompanying license agreement.
+//
+// support@codejock.com
+// http://www.codejock.com
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(__XTDOCKCONTEXT_H__)
+#define __XTDOCKCONTEXT_H__
+
+#if _MSC_VER >= 1000
+#pragma once
+#endif // _MSC_VER >= 1000
+
+// class forwards
+
+class CXTDockBar;
+class CXTDockWindow;
+
+//////////////////////////////////////////////////////////////////////
+// Summary: CXTDockContext is a CDockContext derived class.  It is used by CXTDockWindow
+//			and CXTMiniDockFrameWnd for docking and sizing control bars.
+class _XT_EXT_CLASS CXTDockContext : public CDockContext
+{
+public:
+	// Listeners for drag state changes.
+
+	typedef CXTCallbacks<CXTDockContext*, 4> LISTENERS;
+	typedef LISTENERS::NOTIFYCB LISTENERCB;
+	
+public:
+
+	// Input:	pBar - Pointer to a CControlBar object.
+    // Summary:	Constructs a CXTDockContext object.
+    CXTDockContext(CControlBar* pBar);
+
+    // Summary: Destroys a CXTDockContext object, handles cleanup and de-allocation.
+    virtual ~CXTDockContext();
+
+protected:
+
+    bool                                 m_bFullWindowDrag;        // Tells if full window drag is shall be executed.
+    bool                                 m_bRecalcPending;
+    bool                                 m_bTracking;              // Tells if the context currently tracking mouse during drag/resize operation
+    CPoint                               m_ptOrig;                 // Cursor position.
+    LISTENERS                            m_trackStateListeners;    // Listeners for tracking state change notifications
+    CTypedPtrArray<CObArray, CFrameWnd*> m_arrFramesPendingRecalc;
+
+public:
+
+	// Returns: true if it is tracking a mouse, otherwise it returns false.
+	// Summary:	This member function tells if this object is currently tracking a mouse
+	//			during a drag or resize operation. 
+	bool IsTracking() const;
+
+    // Summary: This member function is called by CXTDockContext when a drag operation
+	//			completes.
+    void EndDrag();
+
+	// Input:	pt - CPoint object that represents the current cursor location.
+    // Summary:	This member function is called by CXTDockWindow and CXTMiniDockFrameWnd
+	//			whenever a drag operation begins.
+    virtual void StartDrag(CPoint pt);
+
+	// Returns: A DWORD value.
+    // Summary: This member function is called by CXTDockContext to determine whether
+	//			a control bar is dockable. 
+    DWORD CanDock();
+
+	// Input:	rect - Size of the control bar.
+	//			dwDockStyle - Control bar style.
+	//			ppDockBar - Points to a CDockBar pointer.
+	// Returns: A DWORD value.
+    // Summary:	This member function is called by CXTDockContext to determine whether
+	//			a control bar is dockable. 
+    DWORD CanDock(CRect rect,DWORD dwDockStyle,CDockBar** ppDockBar = NULL);
+
+	// Returns: TRUE if successful, otherwise returns FALSE.
+    // Summary:	This member function is called by CXTDockContext whenever a drag
+	//			operation begins. 
+    BOOL Track();
+
+	// Input:	dwOverDockStyle - Control bar style.
+	// Returns: A CXTDockBar pointer.
+    // Summary:	This member function is called by CXTDockContext to get a pointer
+	//			to a CXTDockBar object. 
+    CXTDockBar* GetDockBar(DWORD dwOverDockStyle);
+
+    // Summary: This member function is used to toggle the docked state of a control
+	//			bar.
+    virtual void ToggleDocking();
+
+	// Input:	pt - CPoint object that represents the current cursor location.
+    // Summary:	This member function is called to enable diagonal sizing for 
+    //			the control bar.
+    void Stretch(CPoint pt);
+
+	// Input:	listener - A pointer to a CObject object.
+	//			cb - LISTENERCB object.
+	// Summary:	This member function adds a listener for drag state change notifications.
+	void AddTrackStateListener(CObject* listener, LISTENERCB cb);
+
+	// Input:	listener - A pointer to a CObject object.
+	// Summary:	This member function removes a listener.
+	void RemoveListener(CObject* listener);
+
+    void DeferRecalcLayout(CFrameWnd* pFrame);    
+	virtual void StartResize(int nHitTest, CPoint pt);
+    void Move(CPoint pt);
+    void DrawFocusRect(BOOL bRemoveRect = FALSE);
+    void OnKey(int nChar, BOOL bDown);
+    void UpdateState(BOOL* pFlag, BOOL bNewValue);
+	bool CanDock(CFrameWnd* pFrame, DWORD& dwResult, CRect rect, DWORD dwDockStyle, CDockBar** ppDockBar);
+	void FlushRecalcLayout(CFrameWnd* pFrame);
+	virtual CFrameWnd* GetAlternateSite();
+
+private:
+    void InitLoop();
+	void CancelLoop();
+    void EndResize();
+
+    void AdjustRectangle(CRect& rect, CPoint pt);    
+    void FloatControlBar(DWORD dwFloatStyle);
+    friend class CXTControlBar;
+    friend class CXTTrackDockContextCleanup;
+};
+
+//////////////////////////////////////////////////////////////////////
+
+AFX_INLINE bool CXTDockContext::IsTracking() const {
+	return m_bTracking;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+//{{AFX_INSERT_LOCATION}}
+// Microsoft Developer Studio will insert additional declarations immediately before the previous line.
+
+#endif // #if !defined(__XTDOCKCONTEXT_H__)