PATRON.H

/* 
* PATRON.H
* Patron Chapter 21
*
* Single include file that pulls in everything needed for other
* source files in the application.
*
* Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
*
* Kraig Brockschmidt, Microsoft
* Internet : kraigb@microsoft.com
* Compuserve: >INTERNET:kraigb@microsoft.com
*/


#ifndef _PATRON_H_
#define _PATRON_H_

#define INC_CLASSLIB
#define INC_OLEUI
//CHAPTER21MOD
#define CHAPTER21
//End CHAPTER21MOD
#include <inole.h>
#include "resource.h"

//Get editor window information
#include "pages.h"


/*
* UINT value such that adding one produces zero. Portable to Win32.
* This is used to represent a non-existent zero-based UINT value
*/
#define NOVALUE ((UINT)-1)


//PATRON.CPP: Frame object that creates a main window

class CPatronFrame : public CFrame
{
//CHAPTER21MOD
//For access to m_pCL for document creation
friend class CLinkClassFactory;
//End CHAPTER21MOD

private:
BOOL m_fInitialized; //OleInitialize worked
LPCLASSFACTORY m_pIClassDataTran; //For locking.

//CHAPTER21MOD
PCDocument m_pDocCreated; //What class factory makes
BOOL m_fEmbedding; //-Embedding on command line?
DWORD m_dwRegCO; //From CoRegisterClassObject
LPCLASSFACTORY m_pIClassFactory;
//End CHAPTER21MOD

protected:
//Overridable for creating a CPatronClient
virtual PCClient CreateCClient(void);

virtual BOOL FMessageHook(HWND, UINT, WPARAM, LPARAM
, LRESULT *);

//CHAPTER21MOD
virtual BOOL PreShowInit(void);
//End CHAPTER21MOD

virtual BOOL RegisterAllClasses(void);
virtual UINT CreateToolbar(void);
virtual LRESULT OnCommand(HWND, WPARAM, LPARAM);

public:
CPatronFrame(HINSTANCE, HINSTANCE, LPSTR, int);
virtual ~CPatronFrame(void);

//Overrides
virtual BOOL Init(PFRAMEINIT);

virtual void UpdateMenus(HMENU, UINT);
virtual void UpdateToolbar(void);

};


typedef CPatronFrame *PCPatronFrame;


//CHAPTER21MOD

//These are global for simplification of object implementation.
extern ULONG g_cObj;
extern ULONG g_cLock;
extern HWND g_hWnd;

//Function for the object to notify on destruction.
void ObjectDestroyed(void);


//ICLASSF.CPP

class CLinkClassFactory : public IClassFactory
{
protected:
ULONG m_cRef;
PCPatronFrame m_pFR; //For document creation.

public:
CLinkClassFactory(PCPatronFrame);
~CLinkClassFactory(void);

//IUnknown members
STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

//IClassFactory members
STDMETHODIMP CreateInstance(LPUNKNOWN, REFIID
, PPVOID);
STDMETHODIMP LockServer(BOOL);
};

typedef CLinkClassFactory *PCLinkClassFactory;

//End CHAPTER21MOD




//CLIENT.CPP

/*
* The only reason we have a derived class here is to override
* CreateCDocument so we can create our own type as well as
* overriding NewDocument to perform one other piece of work once
* the document's been created.
*/

class CPatronClient : public CClient
{
protected:
//Overridable for creating a new CDocument
virtual PCDocument CreateCDocument(void);

public:
CPatronClient(HINSTANCE, PCFrame);
virtual ~CPatronClient(void);
};


typedef CPatronClient *PCPatronClient;




//DOCUMENT.CPP

//Constant ID for the pages window that lives in a document window
#define ID_PAGES 723


//CHAPTER21MOD
class CImpIPersistFile;
typedef class CImpIPersistFile *PCImpIPersistFile;
class CImpIOleItemContainer;
typedef class CImpIOleItemContainer *PCImpIOleItemContainer;


/*
* To support linking to embeddings, the document needs to have
* IPersistFile and IOleItemContainer interfaces, so we multiply
* inherit from IUnknown and provide two interface implementations.
*/

class CPatronDoc : public CDocument, public IUnknown
//End CHAPTER21MOD
{
//These need access to FQueryPasteFromData, PasteFromData
friend class CDropTarget;
friend class CDropSource;

//CHAPTER21MOD
friend class CImpIPersistFile;
friend class CImpIOleItemContainer;
//End CHAPTER21MOD

protected:
LONG m_lVer; //Loaded data version
PCPages m_pPG; //Pages window in us
LPSTORAGE m_pIStorage; //Root storage for document
BOOL m_fPrintSetup;

class CDropTarget *m_pDropTarget; //Registered target

UINT m_cfEmbeddedObject; //Clipboard formats
UINT m_cfObjectDescriptor;
UINT m_cfLinkSource;
UINT m_cfLinkSrcDescriptor;
BOOL m_fShowTypes; //Show Objects active?

//CHAPTER21MOD
ULONG m_cRef;
BOOL m_fRename; //Rename on Save?
DWORD m_dwRegROT;
DWORD m_dwRegROTWild;

PCImpIPersistFile m_pImpIPersistFile;
PCImpIOleItemContainer m_pImpIOleItemContainer;
//End CHAPTER21MOD

protected:
virtual BOOL FMessageHook(HWND, UINT, WPARAM, LPARAM
, LRESULT *);

BOOL FQueryPasteFromData(LPDATAOBJECT
, LPFORMATETC, PTENANTTYPE);
BOOL FQueryPasteLinkFromData(LPDATAOBJECT
, LPFORMATETC, PTENANTTYPE);
BOOL PasteFromData(LPDATAOBJECT, LPFORMATETC
, TENANTTYPE, PPATRONOBJECT, DWORD
, BOOL);

public:
CPatronDoc(HINSTANCE, PCFrame, PCDocumentAdviseSink);
virtual ~CPatronDoc(void);

//CHAPTER21MOD
//We now need our ubiquitous set of IUnknown members.
STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
//End CHAPTER21MOD

virtual BOOL Init(PDOCUMENTINIT);
virtual void Clear(void);

//CHAPTER21MOD
virtual BOOL FDirtySet(BOOL);
//End CHAPTER21MOD
virtual BOOL FDirtyGet(void);
virtual void Delete(void);
virtual BOOL FQueryPrinterSetup(void);
virtual BOOL FQueryObjectSelected(HMENU);

virtual UINT Load(BOOL, LPTSTR);
virtual UINT Save(UINT, LPTSTR);

virtual BOOL Print(HWND);
virtual UINT PrinterSetup(HWND, BOOL);

virtual BOOL Clip(HWND, BOOL);
virtual BOOL FQueryPaste(void);
virtual BOOL Paste(HWND);
virtual BOOL PasteSpecial(HWND);
virtual BOOL FQueryEnableEditLinks(void);
virtual BOOL EditLinks(HWND);
virtual BOOL ShowOrQueryObjectTypes(BOOL, BOOL);

virtual UINT NewPage(void);
virtual UINT DeletePage(void);
virtual UINT NextPage(void);
virtual UINT PreviousPage(void);
virtual UINT FirstPage(void);
virtual UINT LastPage(void);

virtual void Rename(LPTSTR);
virtual BOOL InsertObject(HWND);
virtual void ActivateObject(LONG);
virtual BOOL ConvertObject(HWND);
};

typedef CPatronDoc *PCPatronDoc;

//Hook for Print Dialog to hide Setup... button
UINT CALLBACK PrintDlgHook(HWND, UINT, WPARAM, LPARAM);


//CHAPTER21MOD

//IPersistFile implementation for CPatronDoc

class CImpIPersistFile : public IPersistFile
{
protected:
ULONG m_cRef; //Interface reference count
PCPatronDoc m_pDoc; //Back pointer to the object
LPUNKNOWN m_pUnkOuter; //Controlling unknown

public:
CImpIPersistFile(PCPatronDoc, LPUNKNOWN);
~CImpIPersistFile(void);

STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

STDMETHODIMP GetClassID(LPCLSID);

STDMETHODIMP IsDirty(void);
STDMETHODIMP Load(LPCOLESTR, DWORD);
STDMETHODIMP Save(LPCOLESTR, BOOL);
STDMETHODIMP SaveCompleted(LPCOLESTR);
STDMETHODIMP GetCurFile(LPOLESTR *);
};



/*
* IOleItemContainer implementation for both CPatronDoc and CPage,
* therefore have two back pointers.
*/

class CImpIOleItemContainer : public IOleItemContainer
{
protected:
ULONG m_cRef;
class CPage *m_pPage;
PCPatronDoc m_pDoc; //Convenient naming & types
LPUNKNOWN m_pUnkOuter;
BOOL m_fDoc; //Document or page?

private:
BOOL TenantFromName(LPOLESTR, PCTenant *);

public:
CImpIOleItemContainer(LPVOID, LPUNKNOWN, BOOL);
~CImpIOleItemContainer(void);

STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

STDMETHODIMP ParseDisplayName(LPBC, LPOLESTR, ULONG *
, LPMONIKER *);
STDMETHODIMP EnumObjects(DWORD, LPENUMUNKNOWN *);
STDMETHODIMP LockContainer(BOOL);
STDMETHODIMP GetObject(LPOLESTR, DWORD, LPBINDCTX, REFIID
, PPVOID);
STDMETHODIMP GetObjectStorage(LPOLESTR, LPBINDCTX, REFIID
, PPVOID);
STDMETHODIMP IsRunning(LPOLESTR);
};

//End CHAPTER21MOD



//Drag-drop objects we need in the document

class CDropTarget : public IDropTarget
{
protected:
ULONG m_cRef;
PCPatronDoc m_pDoc;

LPDATAOBJECT m_pIDataObject; //From DragEnter
BOOL m_fPendingRepaint;
POINTL m_ptPick; //Pick-up offsets
POINTL m_ptLast; //Last drag point
SIZEL m_szl; //Object size
BOOL m_fFeedback; //Draw feedback?
FORMATETC m_fe; //Real dropping format

public:
CDropTarget(PCPatronDoc);
~CDropTarget(void);

//IDropTarget interface members
STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

STDMETHODIMP DragEnter(LPDATAOBJECT, DWORD, POINTL,LPDWORD);
STDMETHODIMP DragOver(DWORD, POINTL, LPDWORD);
STDMETHODIMP DragLeave(void);
STDMETHODIMP Drop(LPDATAOBJECT, DWORD, POINTL, LPDWORD);
};


typedef CDropTarget *PCDropTarget;


class CDropSource : public IDropSource
{
protected:
ULONG m_cRef;

public:
CDropSource(void);
~CDropSource(void);

//IDropSource interface members
STDMETHODIMP QueryInterface(REFIID, PPVOID);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);

STDMETHODIMP QueryContinueDrag(BOOL, DWORD);
STDMETHODIMP GiveFeedback(DWORD);
};

typedef CDropSource *PCDropSource;


#endif //_PATRON_H_