PAGES.H

/* 
* PAGES.H
* Patron Chapter 17
*
* Definitions and function prototypes for the Pages window control
* as well as the CPage class.
*
* Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
*
* Kraig Brockschmidt, Microsoft
* Internet : kraigb@microsoft.com
* Compuserve: >INTERNET:kraigb@microsoft.com
*/


#ifndef _PAGES_H_
#define _PAGES_H_

//Versioning.
#define VERSIONMAJOR 2
#define VERSIONMINOR 0
#define VERSIONCURRENT 0x00020000

//Classname
#define SZCLASSPAGES TEXT("pages")

#define HIMETRIC_PER_INCH 2540
#define LOMETRIC_PER_INCH 254
#define LOMETRIC_BORDER 60 //Border around page


//Window extra bytes and offsets
#define CBPAGESWNDEXTRA (sizeof(LONG))
#define PAGEWL_STRUCTURE 0


//CHAPTER17MOD
//Time to break this stuff out into another file.
#include "tenant.h"
//End CHAPTER17MOD


typedef struct tagTENANTLIST
{
DWORD cTenants;
DWORD dwIDNext;
} TENANTLIST, *PTENANTLIST;

#define SZSTREAMTENANTLIST OLETEXT("Tenant List")

//Delay timer used in mouse debouncing
#define IDTIMER_DEBOUNCE 120



/*
* Page class describing an individual page and what things it
* contains, managing an IStorage for us.
*
* A DWORD is used to identify this page as the name of the storage
* is the string form of this ID. If we added a page every second,
* it would take 136 years to overrun this counter, so we can
* get away with saving it persistently. I hope this software is
* obsolete by then.
*/

class CPage
{
private:
DWORD m_dwID; //Persistent identifier
LPSTORAGE m_pIStorage; //Substorage for this page
HWND m_hWnd; //Pages window
DWORD m_cOpens; //Calls to Open

class CPages *m_pPG; //Pages window

DWORD m_dwIDNext;
DWORD m_cTenants;
HWND m_hWndTenantList; //Listbox; our tenant list

UINT m_iTenantCur;
PCTenant m_pTenantCur;

UINT m_uHTCode; //Last hit-test/mouse move
UINT m_uSizingFlags; //Restrictions on sizing
BOOL m_fTracking; //Tracking resize?
RECTL m_rclOrg; //Original before tracking
RECTL m_rcl; //Tracking rectangle
RECTL m_rclBounds; //Boundaries f/size tracking
HDC m_hDC; //Tracking hDC

BOOL m_fDragPending; //Waiting for drag?
BOOL m_fSizePending; //Waiting for debounce?
int m_cxyDist; //Debounce distance
UINT m_cDelay; //Debounce delay
POINTS m_ptDown; //Point of click to debounce
UINT m_uKeysDown; //Keys when click happens
DWORD m_fTimer; //Timer active?

protected:
BOOL TenantGet(UINT, PCTenant *, BOOL);
BOOL TenantAdd(UINT, DWORD, PCTenant *);
LPDATAOBJECT TransferObjectCreate(PPOINTL);

//PAGEMOUS.CPP
//CHAPTER17MOD
BOOL SelectTenantAtPoint(UINT, UINT);
//End CHAPTER17MOD

UINT TenantFromPoint(UINT, UINT, PCTenant *);
BOOL DragDrop(UINT, UINT, UINT);

public:
CPage(DWORD, HWND, class CPages *);
~CPage(void);

DWORD GetID(void);
BOOL Open(LPSTORAGE);
void Close(BOOL);
BOOL Update(void);
void Destroy(LPSTORAGE);
UINT GetStorageName(LPOLESTR);

void Draw(HDC, int, int, BOOL, BOOL);

BOOL TenantCreate(TENANTTYPE, LPVOID, LPFORMATETC
, PPATRONOBJECT, DWORD);
BOOL TenantDestroy(void);
BOOL TenantClip(BOOL);
BOOL FQueryObjectSelected(HMENU);
//CHAPTER17MOD
void ActivateObject(LONG);
void NotifyTenantsOfRename(LPTSTR, LPVOID);
BOOL ConvertObject(HWND, BOOL);

//PAGEMOUSE.CPP
BOOL OnRightDown(UINT, UINT, UINT);
//End CHAPTER17MOD
BOOL OnLeftDown(UINT, UINT, UINT);
BOOL OnLeftDoubleClick(UINT, UINT, UINT);
BOOL OnLeftUp(UINT, UINT, UINT);
void OnMouseMove(UINT, int, int);
void OnTimer(UINT);
void StartSizeTracking(void);
void OnNCHitTest(UINT, UINT);
BOOL OnSetCursor(UINT);
};

typedef CPage *PCPage;



/*
* Structures to save with the document describing the device
* configuration and pages that we have. This is followed by
* a list of DWORD IDs for the individual pages.
*/

typedef struct tagDEVICECONFIG
{
DWORD cb; //Size of structure
TCHAR szDriver[CCHDEVICENAME];
TCHAR szDevice[CCHDEVICENAME];
TCHAR szPort[CCHDEVICENAME];
DWORD cbDevMode; //Size of actual DEVMODE
DEVMODE dm; //Variable
} DEVICECONFIG, *PDEVICECONFIG;

//Offset to cbDevMode
#define CBSEEKOFFSETCBDEVMODE (sizeof(DWORD) \
+(3*CCHDEVICENAME*sizeof(TCHAR)))

//Combined OLE and Patron device structures.
typedef struct tagCOMBINEDEVICE
{
DVTARGETDEVICE td;
DEVICECONFIG dc;
} COMBINEBDEVICE, *PCOMBINEDEVICE;


typedef struct tagPAGELIST
{
DWORD cPages;
DWORD iPageCur;
DWORD dwIDNext;
} PAGELIST, *PPAGELIST;


//PRINT.CPP
BOOL APIENTRY PrintDlgProc(HWND, UINT, WPARAM, LPARAM);
BOOL APIENTRY AbortProc(HDC, int);


//PAGEWIN.CPP
LRESULT APIENTRY PagesWndProc(HWND, UINT, WPARAM, LPARAM);
void RectConvertMappings(LPRECT, HDC, BOOL);


class CPages : public CWindow
{
friend LRESULT APIENTRY PagesWndProc(HWND, UINT, WPARAM, LPARAM);
friend BOOL APIENTRY PrintDlgProc(HWND, UINT, WPARAM, LPARAM);

friend class CPage;
friend class CTenant;
friend class CDropTarget;

//CHAPTER17MOD
friend class CImpIAdviseSink;
//End CHAPTER17MOD

protected:
PCPage m_pPageCur; //Current page
UINT m_iPageCur; //Current page
UINT m_cPages; //Number of pages

HWND m_hWndPageList; //Listbox with page list
HFONT m_hFont; //Page font
BOOL m_fSystemFont; //m_hFont system object?

UINT m_cx; //Page size in LOMETRIC
UINT m_cy;

UINT m_xMarginLeft; //Unusable margins,
UINT m_xMarginRight; //in LOMETRIC
UINT m_yMarginTop;
UINT m_yMarginBottom;

UINT m_xPos; //Viewport scroll pos,
UINT m_yPos; //both in *PIXELS*

DWORD m_dwIDNext; //Next ID for a page.
LPSTORAGE m_pIStorage; //Root storage

UINT m_cf; //Clipboard format
BOOL m_fDirty;

BOOL m_fDragSource; //Source==target?
BOOL m_fMoveInPage; //Moving in same page
POINTL m_ptDrop; //Where to move object

BOOL m_fDragRectShown; //Is rect on the screen?
UINT m_uScrollInset; //Hit-test for drag-drop
UINT m_uScrollDelay; //Delay before repeat
DWORD m_dwTimeLast; //Ticks on last DragOver
UINT m_uHScrollCode; //L/R on scroll repeat?
UINT m_uVScrollCode; //U/D on scroll repeat?
UINT m_uLastTest; //Last test result
POINTL m_ptlRect; //Last feedback rectangle
SIZEL m_szlRect;

private:
void Draw(HDC, BOOL, BOOL);
void UpdateScrollRanges(void);
BOOL ConfigureForDevice(void);
BOOL PageGet(UINT, PCPage *, BOOL);
BOOL PageAdd(UINT, DWORD, BOOL);

void CalcBoundingRect(LPRECT, BOOL);

//DRAGDROP.CPP
UINT UTestDroppablePoint(PPOINTL);
void DrawDropTargetRect(PPOINTL, LPSIZEL);
void AdjustPosition(PPOINTL, LPSIZEL);

public:
CPages(HINSTANCE, UINT);
~CPages(void);

BOOL Init(HWND, LPRECT, DWORD, UINT, LPVOID);

BOOL StorageSet(LPSTORAGE, BOOL, BOOL);
BOOL StorageUpdate(BOOL);

BOOL Print(HDC, LPTSTR, DWORD, UINT, UINT, UINT);

void RectGet(LPRECT);
void RectSet(LPRECT, BOOL);
void SizeGet(LPRECT);
void SizeSet(LPRECT, BOOL);

PCPage ActivePage(void);
UINT PageInsert(UINT);
UINT PageDelete(UINT);
UINT CurPageGet(void);
UINT CurPageSet(UINT);
UINT NumPagesGet(void);

BOOL DevModeSet(HGLOBAL, HGLOBAL);
HGLOBAL DevModeGet(void);

BOOL FIsDirty(void);
BOOL DevReadConfig(PCOMBINEDEVICE *, HDC *);
BOOL TenantCreate(TENANTTYPE, LPVOID, LPFORMATETC
, PPATRONOBJECT, DWORD);
BOOL TenantDestroy(void);
BOOL TenantClip(BOOL);
BOOL FQueryObjectSelected(HMENU);
//CHAPTER17MOD
void ActivateObject(LONG);
void NotifyTenantsOfRename(LPTSTR, LPVOID);
BOOL ConvertObject(HWND);
//End CHAPTER17MOD
};

typedef CPages *PCPages;


//Fixed names of streams in the Pages IStorage
#define SZSTREAMPAGELIST OLETEXT("Page List")
#define SZSTREAMDEVICECONFIG OLETEXT("Device Configuration")

//Return values for UTestDroppablePoint
#define UDROP_NONE 0x0000 //Exclusive
#define UDROP_CLIENT 0x0001 //Inclusive
#define UDROP_INSETLEFT 0x0002 //L/R are exclusive
#define UDROP_INSETRIGHT 0x0004
#define UDROP_INSETHORZ (UDROP_INSETLEFT | UDROP_INSETRIGHT)

#define UDROP_INSETTOP 0x0008 //T/B are exclusive
#define UDROP_INSETBOTTOM 0x0010
#define UDROP_INSETVERT (UDROP_INSETTOP | UDROP_INSETBOTTOM)


#endif //_PAGES_H_