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C Programming Starter Kit 2.0
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SamsPublishing-CProgrammingStarterKit-v2.0-Win31.iso
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bc45
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ocfinc.pak
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OCAPP.H
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C/C++ Source or Header
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1997-07-23
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11KB
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320 lines
//
//----------------------------------------------------------------------------
// ObjectComponents
// (C) Copyright 1994 by Borland International, All Rights Reserved
//
// Definition of TOcApp application connection class
//----------------------------------------------------------------------------
#if !defined(OCF_OCAPP_H)
#define OCF_OCAPP_H
#if !defined(OCF_BOLEINTF_H)
# include <ocf/boleintf.h>
#endif
#if !defined(OCF_OCOBJECT_H)
# include <ocf/ocobject.h>
#endif
#if !defined(OCF_OCREG_H)
# include <ocf/ocreg.h>
#endif
#if !defined(OCF_AUTODEFS_H)
# include <ocf/autodefs.h>
#endif
#if !defined(CLASSLIB_VECTIMP_H)
# include <classlib/vectimp.h>
#endif
#if !defined(OCF_OCDATA_H)
# include <ocf/ocdata.h>
#endif
#include <ocf/ocapp.rh>
class _ICLASS TOcPart;
class _BIDSCLASS TRegLink;
class TRegList;
class _ICLASS TOcClassMgr;
class _ICLASS TOcApp;
//
// Clipboard format name
//
class TOcFormatName {
public:
TOcFormatName();
TOcFormatName(const char far* fmtName, const char far* fmtResultName, const char far* id = 0);
bool operator ==(const TOcFormatName& other) const {return ToBool(&other == this);}
const char far* GetId() const {return Id.c_str();}
const char far* GetName() const {return Name.c_str();}
const char far* GetResultName() const {return ResultName.c_str();}
private:
string Id; // internal clipboard format name
string Name; // external name of clipboard format (used in list box)
string ResultName; // string to be used in the dialog help text
};
//
// Clipboard format names
//
class TOcNameList : private TICVectorImp<TOcFormatName> {
public:
TOcNameList();
~TOcNameList();
void operator delete(void* ptr) {TStandardAllocator::operator delete(ptr);}
TOcFormatName*& operator [](unsigned index) {return Base::operator[](index);}
TOcFormatName* operator [](char far*);
void Clear(int del = 1) {Base::Flush(del);}
int Add(TOcFormatName* name) {return Base::Add(name);}
int IsEmpty() const {return Base::IsEmpty();}
unsigned Find(const TOcFormatName* name) const {return Base::Find(name);}
virtual uint Count() const {return Base::Count();}
int Detach(const TOcFormatName* name, int del = 0)
{return Base::Detach(Find(name), del);}
private:
typedef TICVectorImp<TOcFormatName> Base;
};
//
// Linking & embeding version of the Registrar
//
class TOcRegistrar : public TRegistrar {
public:
TOcRegistrar(TRegList& regInfo, TComponentFactory callback,
string& cmdLine, TRegLink* linkHead = 0,
HINSTANCE hInst = ::_hInstance);
~TOcRegistrar();
void CreateOcApp(uint32 options, TOcApp*& ret);
IBClassMgr* CreateBOleClassMgr();
protected:
void far* GetFactory(const GUID& clsid, const GUID far& iid);
bool CanUnload();
void LoadBOle();
private:
HINSTANCE BOleInstance;// BOle DLL instance
IBClassMgr* BCmI; //
TOcClassMgr* OcClassMgr; // our IBClassMgr implementation
int AppCount; // TOcApp instance count
friend class _ICLASS TOcApp;
};
//
// OCF OcApplication class
//
class _ICLASS TOcApp : public TUnknown,
private IBApplication,
private IBClassMgr {
public:
// Constructor for OcApp
// retOcApp is location holding unrefcounted pointer to this OcApp
//
TOcApp(TOcRegistrar& registrar, uint32 options, TOcApp*& retOcApp);
// Public accessors
//
TOcRegistrar& GetRegistrar() {return Registrar;}
void SetupWindow(HWND frameWnd) {FrameWnd = frameWnd;}
string GetName() const {return (const char far*)Name;}
bool IsOptionSet(uint32 option) const;
void SetOption(uint32 bit, bool state);
// Object reference & lifetime managment
//
virtual void ReleaseObject();
// Runtime class factory [un]registration
//
void RegisterClasses();
void UnregisterClasses();
// Clipboard
//
void AddUserFormatName(const char far* name, const char far* resultName,
const char far* id = 0);
TOcNameList& GetNameList() {return NameList;}
// App side exposure of selected IBService functions
//
bool UnregisterClass(const string& progid);
void EvResize();
void EvActivate(bool);
bool EvSetFocus(bool set) {return HRSucceeded(BServiceI->OnSetFocus(set));}
bool RegisterClass(const string& progid, BCID classId, bool multiUse);
// bool OnModalDialog(bool enable)
// {return BServiceI->OnModalDialog(enable);}
bool TranslateAccel(MSG far* msg)
{return HRSucceeded(BServiceI->TranslateAccel(msg));}
// TOcHelp HelpMode(TOcHelp newMode);
// {return BServiceI->HelpMode(newMode);}
bool CanClose();
bool Browse(TOcInitInfo& initInfo);
bool BrowseClipboard(TOcInitInfo& initInfo);
bool Paste(TOcInitInfo& initInfo);
bool Copy(TOcPart* ocPart);
bool Copy(TOcDataProvider* ocData);
bool Drag(TOcDataProvider* ocData, TOcDropAction inAction, TOcDropAction& outAction);
bool Drag(TOcPart* ocData, TOcDropAction inAction, TOcDropAction& outAction);
bool Convert(TOcPart* ocPart, bool b);
uint EnableEditMenu(TOcMenuEnable enable, IBDataConsumer far* ocview);
// Exposure of BOle's componentCreate for internal OCF support
//
HRESULT BOleComponentCreate(IUnknown far* far* retIface,
IUnknown far* outer, uint32 idClass);
// Internal reference management
//
ulong _IFUNC AddRef() {return GetOuter()->AddRef();}
ulong _IFUNC Release() {return GetOuter()->Release();}
HRESULT _IFUNC QueryInterface(const GUID far& iid, void far*far* iface)
{return GetOuter()->QueryInterface(iid, iface);}
protected:
~TOcApp();
uint32 Options;
bool Registered;
TOcApp*& OcAppPtr; // pointer to this instance, must zero on destruction
uint32 ForwardEvent(int eventId, const void far* param);
uint32 ForwardEvent(int eventId, uint32 param = 0);
// TUnknown virtual overrides
//
HRESULT QueryObject(const IID far& iid, void far* far* iface);
private:
// IBWindow implementation
//
HWND _IFUNC GetWindow();
HRESULT _IFUNC GetWindowRect(TRect far* r);
LPCOLESTR _IFUNC GetWindowTitle();
void _IFUNC AppendWindowTitle(LPCOLESTR title);
HRESULT _IFUNC SetStatusText(LPCOLESTR text);
HRESULT _IFUNC RequestBorderSpace(const TRect far*);
HRESULT _IFUNC SetBorderSpace(const TRect far*);
HRESULT _IFUNC InsertContainerMenus(HMENU hMenu, TOcMenuWidths far* omw);
HRESULT _IFUNC SetFrameMenu(HMENU hMenu);
void _IFUNC RestoreUI();
HRESULT _IFUNC Accelerator(MSG far* msg);
HRESULT _IFUNC GetAccelerators(HACCEL far*, int far*);
// IBApplication implementation
//
LPCOLESTR _IFUNC GetAppName();
TOcHelp _IFUNC HelpMode(TOcHelp newMode);
HRESULT _IFUNC CanLink();
HRESULT _IFUNC CanEmbed();
HRESULT _IFUNC IsMDI();
HRESULT _IFUNC OnModalDialog(bool svrModal);
void _IFUNC DialogHelpNotify(TOcDialogHelp);
void _IFUNC ShutdownMaybe();
// IBClassMgr implementation
//
HRESULT _IFUNC ComponentCreate(IUnknown far* far* ret,
IUnknown far* outer, uint32 classId);
HRESULT _IFUNC ComponentInfoGet(IUnknown far* far* info,
IUnknown far* outer, uint32 classId);
void Init();
TOcRegistrar& Registrar; // Overall application description object
// BOle side support
//
IBClassMgr* BCmI; // Our private class maneger
IUnknown* BService; // BOle service object & interface
IBService* BServiceI; //
HWND FrameWnd; // Corresponding main window
#if defined(BI_DATA_NEAR)
TString& Name; // Application name from reglist
TOcNameList& NameList; // Clipboard format name list
#else
TString Name;
TOcNameList NameList;
#endif
bool DisableDlgs; // Server went modal--disable our dialogs
friend class _ICLASS TOcDocument;
friend class _ICLASS TOcPart;
friend class _ICLASS TOcRemView;
friend class _ICLASS TOcView;
};
inline bool TOcApp::IsOptionSet(uint32 option) const
{return ToBool(Options & option);}
inline void TOcApp::SetOption(uint32 bit, bool state)
{if (state) Options |= bit; else Options &= ~bit;}
inline void TOcRegistrar::CreateOcApp(uint32 options, TOcApp*& retOcApp) {
new TOcApp(*this, options, retOcApp);
}
//
// ObjectConnections message and subdispatch IDs
//
#define WM_BCXNAME 0x7FFF-8 // (WM_VBXNAME) BCX event fire by name
#define WM_OCEVENT WM_BCXNAME-1 // OC -> app messages
//
// Subdispatch IDs for TOcApp clients
//
#define OC_APPINSMENUS 0x0100 // Main window insert menus
#define OC_APPMENUS 0x0101 // Main window set menu
#define OC_APPPROCESSMSG 0x0102 // Process msg for accel, etc
#define OC_APPFRAMERECT 0x0103 // Get inner rect of main window
#define OC_APPBORDERSPACEREQ 0x0104 // Request/set app frame border space
#define OC_APPBORDERSPACESET 0x0105 // Request/set app frame border space
#define OC_APPSTATUSTEXT 0x0106 // Set the status text
#define OC_APPRESTOREUI 0x0107 // Have the app frame restore its UI
#define OC_APPDIALOGHELP 0x0108 // Ole dialog help button pressed
#define OC_APPSHUTDOWN 0x0109 // Shutdown app frame window
//
// OCF Mixin Class for users derived application class
//
#if !defined(_OCMCLASS)
# define _OCMCLASS
#endif
class _OCMCLASS TOcModule {
public:
TOcModule() : OcApp(0) {} // must call OcInit after construction
~TOcModule();
void OcInit(TOcRegistrar& registrar, uint32 options);
TRegistrar& GetRegistrar() {return OcApp->GetRegistrar();}
TOleAllocator OleMalloc; // default to task allocator
TOcApp* OcApp;
bool IsOptionSet(uint32 option) const;
private:
uint32 InitOptions;
};
inline TOcModule::~TOcModule() {
if (OcApp)
OcApp->ReleaseObject(); // don't delete, just release
}
inline bool TOcModule::IsOptionSet(uint32 option) const {
return OcApp ? OcApp->IsOptionSet(option) : (InitOptions & option) != 0;
}
inline void TOcModule::OcInit(TOcRegistrar& registrar, uint32 options) {
InitOptions = options;
registrar.CreateOcApp(options, OcApp);
}
#endif // OCF_OCAPP_H