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/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
*/
#if defined(FEAT_OLE) && defined(FEAT_GUI_W32)
/*
* OLE server implementation.
*
* See os_mswin.c for the client side.
*/
/*
* We have some trouble with order of includes here. For Borland it needs to
* be different from MSVC...
*/
#ifndef __BORLANDC__
extern "C" {
# include "vim.h"
}
#endif
#include <windows.h>
#include <oleauto.h>
extern "C" {
#ifdef __BORLANDC__
# include "vim.h"
#endif
extern HWND s_hwnd;
extern HWND vim_parent_hwnd;
}
#if (defined(_MSC_VER) && (_MSC_VER >= 1700)) || (__cplusplus >= 201103L)
# define FINAL final
#else
# define FINAL
#endif
#if (defined(_MSC_VER) && _MSC_VER < 1300) || !defined(MAXULONG_PTR)
/* Work around old versions of basetsd.h which wrongly declares
* UINT_PTR as unsigned long */
# undef UINT_PTR
# define UINT_PTR UINT
#endif
#include "if_ole.h" // Interface definitions
#include "iid_ole.c" // UUID definitions (compile here)
/* Supply function prototype to work around bug in Mingw oleauto.h header */
#ifdef __MINGW32__
WINOLEAUTAPI UnRegisterTypeLib(REFGUID libID, WORD wVerMajor,
WORD wVerMinor, LCID lcid, SYSKIND syskind);
#endif
/*****************************************************************************
1. Internal definitions for this file
*****************************************************************************/
class CVim;
class CVimCF;
/* Internal data */
// The identifier of the registered class factory
static unsigned long cf_id = 0;
// The identifier of the running application object
static unsigned long app_id = 0;
// The single global instance of the class factory
static CVimCF *cf = 0;
// The single global instance of the application object
static CVim *app = 0;
/* GUIDs, versions and type library information */
#define MYCLSID CLSID_Vim
#define MYLIBID LIBID_Vim
#define MYIID IID_IVim
#define MAJORVER 1
#define MINORVER 0
#define LOCALE 0x0409
#define MYNAME "Vim"
#define MYPROGID "Vim.Application.1"
#define MYVIPROGID "Vim.Application"
#define MAX_CLSID_LEN 100
/*****************************************************************************
2. The application object
*****************************************************************************/
/* Definition
* ----------
*/
class CVim FINAL : public IVim
{
public:
virtual ~CVim();
static CVim *Create(int *pbDoRestart);
// IUnknown members
STDMETHOD(QueryInterface)(REFIID riid, void ** ppv);
STDMETHOD_(unsigned long, AddRef)(void);
STDMETHOD_(unsigned long, Release)(void);
// IDispatch members
STDMETHOD(GetTypeInfoCount)(UINT *pCount);
STDMETHOD(GetTypeInfo)(UINT iTypeInfo, LCID, ITypeInfo **ppITypeInfo);
STDMETHOD(GetIDsOfNames)(const IID &iid, OLECHAR **names, UINT n, LCID, DISPID *dispids);
STDMETHOD(Invoke)(DISPID member, const IID &iid, LCID, WORD flags, DISPPARAMS *dispparams, VARIANT *result, EXCEPINFO *excepinfo, UINT *argerr);
// IVim members
STDMETHOD(SendKeys)(BSTR keys);
STDMETHOD(Eval)(BSTR expr, BSTR *result);
STDMETHOD(SetForeground)(void);
STDMETHOD(GetHwnd)(UINT_PTR *result);
private:
// Constructor is private - create using CVim::Create()
CVim() : ref(0), typeinfo(0) {};
// Reference count
unsigned long ref;
// The object's TypeInfo
ITypeInfo *typeinfo;
};
/* Implementation
* --------------
*/
CVim *CVim::Create(int *pbDoRestart)
{
HRESULT hr;
CVim *me = 0;
ITypeLib *typelib = 0;
ITypeInfo *typeinfo = 0;
*pbDoRestart = FALSE;
// Create the object
me = new CVim();
if (me == NULL)
{
MessageBox(0, "Cannot create application object", "Vim Initialisation", 0);
return NULL;
}
// Load the type library from the registry
hr = LoadRegTypeLib(MYLIBID, 1, 0, 0x00, &typelib);
if (FAILED(hr))
{
HKEY hKey;
// Check we can write to the registry.
// RegCreateKeyEx succeeds even if key exists. W.Briscoe W2K 20021011
if (RegCreateKeyEx(HKEY_CLASSES_ROOT, MYVIPROGID, 0, NULL,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &hKey, NULL))
{
delete me;
return NULL; // Unable to write to registry. Quietly fail.
}
RegCloseKey(hKey);
if (MessageBox(0, "Cannot load registered type library.\nDo you want to register Vim now?",
"Vim Initialisation", MB_YESNO | MB_ICONQUESTION) != IDYES)
{
delete me;
return NULL;
}
RegisterMe(FALSE);
// Load the type library from the registry
hr = LoadRegTypeLib(MYLIBID, 1, 0, 0x00, &typelib);
if (FAILED(hr))
{
MessageBox(0, "You must restart Vim in order for the registration to take effect.",
"Vim Initialisation", 0);
*pbDoRestart = TRUE;
delete me;
return NULL;
}
}
// Get the type info of the vtable interface
hr = typelib->GetTypeInfoOfGuid(MYIID, &typeinfo);
typelib->Release();
if (FAILED(hr))
{
MessageBox(0, "Cannot get interface type information",
"Vim Initialisation", 0);
delete me;
return NULL;
}
// Save the type information
me->typeinfo = typeinfo;
return me;
}
CVim::~CVim()
{
if (typeinfo && vim_parent_hwnd == NULL)
typeinfo->Release();
typeinfo = 0;
}
STDMETHODIMP
CVim::QueryInterface(REFIID riid, void **ppv)
{
if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IDispatch) || IsEqualIID(riid, MYIID))
{
AddRef();
*ppv = this;
return S_OK;
}
*ppv = 0;
return E_NOINTERFACE;
}
STDMETHODIMP_(ULONG)
CVim::AddRef()
{
return ++ref;
}
STDMETHODIMP_(ULONG)
CVim::Release()
{
// Don't delete the object when the reference count reaches zero, as there
// is only a single application object, and its lifetime is controlled by
// the running instance, not by its reference count.
if (ref > 0)
--ref;
return ref;
}
STDMETHO
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