пытаюсь использовать компонент WebBrowser, не используя MFC, ATL | Код |
#include <windows.h>
#include <exdisp.h>
class OleInPlaceSite : public IOleInPlaceSite
{
public:
/****************** IUnknown ***************************************************/
HRESULT __stdcall QueryInterface( REFIID riid, void** ppvObject )
{
if( !ppvObject )
return E_POINTER;
if( riid==IID_IUnknown || riid==IID_IOleWindow || riid==IID_IOleInPlaceSite )
return *ppvObject = (void*)this, S_OK;
*ppvObject = NULL;
return E_NOINTERFACE;
}
ULONG __stdcall AddRef() { return 1; /*one instance*/ }
ULONG __stdcall Release() { return 1; /*one instance*/ }
/********************* IOleWindow ***********************************************/
HRESULT __stdcall GetWindow( HWND *phwnd ) { return phwnd?(*phwnd = this->hwnd, S_OK):E_INVALIDARG; }
HRESULT __stdcall ContextSensitiveHelp( BOOL ) { return S_OK; }
/********************* IOleInPlaceSite ******************************************/
HRESULT __stdcall CanInPlaceActivate() { return S_OK; }
HRESULT __stdcall OnInPlaceActivate() { return S_OK; }
HRESULT __stdcall OnUIActivate() { return S_OK; }
HRESULT __stdcall GetWindowContext( IOleInPlaceFrame **ppFrame, IOleInPlaceUIWindow **ppDoc,
LPRECT lprcPosRect, LPRECT lprcClipRect, LPOLEINPLACEFRAMEINFO lpFrameInfo)
{
if( !(ppFrame && ppDoc && lprcPosRect && lprcClipRect && lpFrameInfo) )
return E_INVALIDARG;
*ppFrame = NULL;
*ppDoc = NULL;
GetClientRect( this->hwnd, lprcPosRect );
GetClientRect( this->hwnd, lprcClipRect );
lpFrameInfo->fMDIApp = false;
lpFrameInfo->hwndFrame = this->hwnd;
lpFrameInfo->haccel = 0;
lpFrameInfo->cAccelEntries = 0;
return S_OK;
}
HRESULT __stdcall Scroll( SIZE ) { return S_OK; }
HRESULT __stdcall OnUIDeactivate( BOOL ) { return S_OK; }
HRESULT __stdcall OnInPlaceDeactivate() { return S_OK; }
HRESULT __stdcall DiscardUndoState() { return S_OK; }
HRESULT __stdcall DeactivateAndUndo() { return S_OK; }
HRESULT __stdcall OnPosRectChange( LPCRECT ) { return S_OK; }
public:
HWND hwnd;
};
class OleClientSite : public IOleClientSite
{
public:
/****************** IUnknown ***************************************************/
HRESULT __stdcall QueryInterface( REFIID riid, void** ppvObject)
{
if( !ppvObject )
return E_POINTER;
if( riid==IID_IUnknown || riid==IID_IOleClientSite )
return *ppvObject = (void*)this, S_OK;
if( riid==IID_IOleInPlaceSite )
return *ppvObject = (void*)&oleInPlaceSite, S_OK;
*ppvObject = NULL;
return E_NOINTERFACE;
}
ULONG __stdcall AddRef() { return 1; /*one instance*/ }
ULONG __stdcall Release() { return 1; /*one instance*/ }
/*************************************** IOleClientSite ***************************************/
HRESULT __stdcall SaveObject() { return S_OK; }
HRESULT __stdcall GetMoniker( DWORD, DWORD, IMoniker **ppmk ) { return *ppmk = NULL, E_NOTIMPL; }
HRESULT __stdcall GetContainer( IOleContainer** ppContainer ) { return *ppContainer=NULL, E_NOINTERFACE; }
HRESULT __stdcall ShowObject() { return S_OK; }
HRESULT __stdcall OnShowWindow( BOOL ) { return S_OK; }
HRESULT __stdcall RequestNewObjectLayout() { return E_NOTIMPL; }
public:
OleInPlaceSite oleInPlaceSite;
};
bool EmbedBrowser(HWND hwnd)
{
OleClientSite* wndData = new OleClientSite;
wndData->oleInPlaceSite.hwnd = hwnd;
SetWindowLong(hwnd,GWL_USERDATA,(LONG)wndData);
HRESULT r;
IWebBrowser2* webBrowser;
r=CoCreateInstance( CLSID_WebBrowser, NULL, CLSCTX_INPROC, IID_IWebBrowser2, (void**)&webBrowser );
IOleObject* oleObject;
r=webBrowser->QueryInterface( IID_IOleObject, (void**)&oleObject );
r=OleSetContainedObject( webBrowser, true );
r=oleObject->SetClientSite( wndData );
RECT rect;
GetClientRect( hwnd, &rect );
r=oleObject->DoVerb( OLEIVERB_INPLACEACTIVATE, NULL, wndData, 0, hwnd, &rect );
oleObject->Release();
BSTR url = SysAllocString( L"ya.ru" );
VARIANT empty;
VariantInit(&empty);
r=webBrowser->Navigate( url, &empty,&empty,&empty,&empty );
SysFreeString( url );
webBrowser->Release();
return true;
}
INT_PTR CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if( uMsg==WM_INITDIALOG )
{
return EmbedBrowser(hwndDlg);
}
else if( uMsg==WM_CLOSE )
{
return EndDialog(hwndDlg,0);
}
return false;
}
int __stdcall WinMain(HINSTANCE,HINSTANCE,LPSTR,int)
{
//CoInitializeEx( 0, 0/*COINIT_MULTITHREADED*/ );
// вместо CoInitializeEx надо OleInitialize чтобы работала OleSetContainedObject
OleInitialize(0);
struct DialogTemplate
{
DLGTEMPLATE tmpl;
WORD stuff[3];
} dialogTemplate = {0};
dialogTemplate.tmpl.style = WS_CAPTION+WS_POPUP+WS_SYSMENU+DS_MODALFRAME;
dialogTemplate.tmpl.x = 100;
dialogTemplate.tmpl.y = 100;
dialogTemplate.tmpl.cx = 300;
dialogTemplate.tmpl.cy = 200;
DialogBoxIndirectParamA( 0,(LPCDLGTEMPLATE)&dialogTemplate.tmpl, 0, &DialogProc, 0);
CoUninitialize();
}
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почему-то WebBrowser не встраивается в окно, а создается как отдельное окно проверка ошибок вырезана для упрощения кода, при отладке все функции в EmbedBrowser возвращают S_OK Это сообщение отредактировал(а) GoldFinch - 24.12.2009, 10:02 |
[winapi]WebBrowser 
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main.cpp 4,75 Kb
