コード例 #1
0
ファイル: VBoxClipboard.cpp プロジェクト: bayasist/vbox
static int vboxClipboardInit (VBOXCLIPBOARDCONTEXT *pCtx)
{
    /* Register the Window Class. */
    WNDCLASS wc;

    wc.style         = CS_NOCLOSE;
    wc.lpfnWndProc   = vboxClipboardWndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.hInstance     = pCtx->pEnv->hInstance;
    wc.hIcon         = NULL;
    wc.hCursor       = NULL;
    wc.hbrBackground = (HBRUSH)(COLOR_BACKGROUND + 1);
    wc.lpszMenuName  = NULL;
    wc.lpszClassName = gachWindowClassName;

    pCtx->atomWindowClass = RegisterClass (&wc);

    int rc = VINF_SUCCESS;
    if (pCtx->atomWindowClass == 0)
    {
        rc = VERR_NOT_SUPPORTED;
    }
    else
    {
        /* Create the window. */
        pCtx->hwnd = CreateWindowEx (WS_EX_TOOLWINDOW | WS_EX_TRANSPARENT | WS_EX_TOPMOST,
                                     gachWindowClassName, gachWindowClassName,
                                     WS_POPUPWINDOW,
                                     -200, -200, 100, 100, NULL, NULL, pCtx->pEnv->hInstance, NULL);

        if (pCtx->hwnd == NULL)
        {
            rc = VERR_NOT_SUPPORTED;
        }
        else
        {
            SetWindowPos(pCtx->hwnd, HWND_TOPMOST, -200, -200, 0, 0,
                         SWP_NOACTIVATE | SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_NOSIZE);

            addToCBChain(pCtx);
            pCtx->timerRefresh = SetTimer(pCtx->hwnd, 0, 10 * 1000, NULL);
        }
    }

    Log(("VBoxTray: vboxClipboardInit returned with rc = %Rrc\n", rc));
    return rc;
}
コード例 #2
0
ファイル: VBoxClipboard.cpp プロジェクト: bayasist/vbox
static LRESULT vboxClipboardProcessMsg(VBOXCLIPBOARDCONTEXT *pCtx, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    LRESULT rc = 0;

    switch (msg)
    {
        case WM_CHANGECBCHAIN:
        {
            HWND hwndRemoved = (HWND)wParam;
            HWND hwndNext    = (HWND)lParam;

            Log(("VBoxTray: vboxClipboardProcessMsg: WM_CHANGECBCHAIN: hwndRemoved %p, hwndNext %p, hwnd %p\n", hwndRemoved, hwndNext, pCtx->hwnd));

            if (hwndRemoved == pCtx->hwndNextInChain)
            {
                /* The window that was next to our in the chain is being removed.
                 * Relink to the new next window. */
                pCtx->hwndNextInChain = hwndNext;
            }
            else
            {
                if (pCtx->hwndNextInChain)
                {
                    /* Pass the message further. */
                    DWORD_PTR dwResult;
                    rc = SendMessageTimeout(pCtx->hwndNextInChain, WM_CHANGECBCHAIN, wParam, lParam, 0, CBCHAIN_TIMEOUT, &dwResult);
                    if (!rc)
                        rc = (LRESULT) dwResult;
                }
            }
        } break;

        case WM_DRAWCLIPBOARD:
        {
            Log(("VBoxTray: vboxClipboardProcessMsg: WM_DRAWCLIPBOARD, hwnd %p\n", pCtx->hwnd));

            if (GetClipboardOwner () != hwnd)
            {
                /* Clipboard was updated by another application. */
                /* WM_DRAWCLIPBOARD always expects a return code of 0, so don't change "rc" here. */
                int vboxrc = vboxClipboardChanged(pCtx);
                if (RT_FAILURE(vboxrc))
                    Log(("VBoxTray: vboxClipboardProcessMsg: vboxClipboardChanged failed, rc = %Rrc\n", vboxrc));
            }

            /* Pass the message to next windows in the clipboard chain. */
            SendMessageTimeout(pCtx->hwndNextInChain, msg, wParam, lParam, 0, CBCHAIN_TIMEOUT, NULL);
        } break;

        case WM_TIMER:
        {
            HWND hViewer = GetClipboardViewer();

            /* Re-register ourselves in the clipboard chain if our last ping
             * timed out or there seems to be no valid chain. */
            if (!hViewer || pCtx->fCBChainPingInProcess)
            {
                removeFromCBChain(pCtx);
                addToCBChain(pCtx);
            }
            /* Start a new ping by passing a dummy WM_CHANGECBCHAIN to be
             * processed by ourselves to the chain. */
            pCtx->fCBChainPingInProcess = TRUE;
            hViewer = GetClipboardViewer();
            if (hViewer)
                SendMessageCallback(hViewer, WM_CHANGECBCHAIN, (WPARAM)pCtx->hwndNextInChain, (LPARAM)pCtx->hwndNextInChain, CBChainPingProc, (ULONG_PTR) pCtx);
        } break;

        case WM_CLOSE:
        {
            /* Do nothing. Ignore the message. */
        } break;

        case WM_RENDERFORMAT:
        {
            /* Insert the requested clipboard format data into the clipboard. */
            uint32_t u32Format = 0;
            UINT format = (UINT)wParam;

            Log(("VBoxTray: vboxClipboardProcessMsg: WM_RENDERFORMAT, format = %x\n", format));
            switch (format)
            {
                case CF_UNICODETEXT:
                    u32Format |= VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT;
                    break;

                case CF_DIB:
                    u32Format |= VBOX_SHARED_CLIPBOARD_FMT_BITMAP;
                    break;

                default:
                    if (format >= 0xC000)
                    {
                        TCHAR szFormatName[256];

                        int cActual = GetClipboardFormatName(format, szFormatName, sizeof(szFormatName)/sizeof (TCHAR));
                        if (cActual)
                        {
                            if (strcmp (szFormatName, "HTML Format") == 0)
                            {
                                u32Format |= VBOX_SHARED_CLIPBOARD_FMT_HTML;
                            }
                        }
                    }
                    break;
            }

            if (u32Format == 0)
            {
                /* Unsupported clipboard format is requested. */
                Log(("VBoxTray: vboxClipboardProcessMsg: Unsupported clipboard format requested: %ld\n", u32Format));
                EmptyClipboard();
            }
            else
            {
                const uint32_t cbPrealloc = 4096; /* @todo r=andy Make it dynamic for supporting larger text buffers! */
                uint32_t cb = 0;

                /* Preallocate a buffer, most of small text transfers will fit into it. */
                HANDLE hMem = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, cbPrealloc);
                Log(("VBoxTray: vboxClipboardProcessMsg: Preallocated handle hMem = %p\n", hMem));

                if (hMem)
                {
                    void *pMem = GlobalLock(hMem);
                    Log(("VBoxTray: vboxClipboardProcessMsg: Locked pMem = %p, GlobalSize = %ld\n", pMem, GlobalSize(hMem)));

                    if (pMem)
                    {
                        /* Read the host data to the preallocated buffer. */
                        int vboxrc = VbglR3ClipboardReadData(pCtx->u32ClientID, u32Format, pMem, cbPrealloc, &cb);
                        Log(("VBoxTray: vboxClipboardProcessMsg: VbglR3ClipboardReadData returned with rc = %Rrc\n",  vboxrc));

                        if (RT_SUCCESS(vboxrc))
                        {
                            if (cb == 0)
                            {
                                /* 0 bytes returned means the clipboard is empty.
                                 * Deallocate the memory and set hMem to NULL to get to
                                 * the clipboard empty code path. */
                                GlobalUnlock(hMem);
                                GlobalFree(hMem);
                                hMem = NULL;
                            }
                            else if (cb > cbPrealloc)
                            {
                                GlobalUnlock(hMem);

                                /* The preallocated buffer is too small, adjust the size. */
                                hMem = GlobalReAlloc(hMem, cb, 0);
                                Log(("VBoxTray: vboxClipboardProcessMsg: Reallocated hMem = %p\n", hMem));

                                if (hMem)
                                {
                                    pMem = GlobalLock(hMem);
                                    Log(("VBoxTray: vboxClipboardProcessMsg: Locked pMem = %p, GlobalSize = %ld\n", pMem, GlobalSize(hMem)));

                                    if (pMem)
                                    {
                                        /* Read the host data to the preallocated buffer. */
                                        uint32_t cbNew = 0;
                                        vboxrc = VbglR3ClipboardReadData(pCtx->u32ClientID, u32Format, pMem, cb, &cbNew);
                                        Log(("VBoxTray: VbglR3ClipboardReadData returned with rc = %Rrc, cb = %d, cbNew = %d\n", vboxrc, cb, cbNew));

                                        if (RT_SUCCESS (vboxrc) && cbNew <= cb)
                                        {
                                            cb = cbNew;
                                        }
                                        else
                                        {
                                            GlobalUnlock(hMem);
                                            GlobalFree(hMem);
                                            hMem = NULL;
                                        }
                                    }
                                    else
                                    {
                                        GlobalFree(hMem);
                                        hMem = NULL;
                                    }
                                }
                            }

                            if (hMem)
                            {
                                /* pMem is the address of the data. cb is the size of returned data. */
                                /* Verify the size of returned text, the memory block for clipboard
                                 * must have the exact string size.
                                 */
                                if (u32Format == VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT)
                                {
                                    size_t cbActual = 0;
                                    HRESULT hrc = StringCbLengthW((LPWSTR)pMem, cb, &cbActual);
                                    if (FAILED (hrc))
                                    {
                                        /* Discard invalid data. */
                                        GlobalUnlock(hMem);
                                        GlobalFree(hMem);
                                        hMem = NULL;
                                    }
                                    else
                                    {
                                        /* cbActual is the number of bytes, excluding those used
                                         * for the terminating null character.
                                         */
                                        cb = (uint32_t)(cbActual + 2);
                                    }
                                }
                            }

                            if (hMem)
                            {
                                GlobalUnlock(hMem);

                                hMem = GlobalReAlloc(hMem, cb, 0);
                                Log(("VBoxTray: vboxClipboardProcessMsg: Reallocated hMem = %p\n", hMem));

                                if (hMem)
                                {
                                    /* 'hMem' contains the host clipboard data.
                                     * size is 'cb' and format is 'format'. */
                                    HANDLE hClip = SetClipboardData(format, hMem);
                                    Log(("VBoxTray: vboxClipboardProcessMsg: WM_RENDERFORMAT hClip = %p\n", hClip));

                                    if (hClip)
                                    {
                                        /* The hMem ownership has gone to the system. Finish the processing. */
                                        break;
                                    }

                                    /* Cleanup follows. */
                                }
                            }
                        }
                        if (hMem)
                            GlobalUnlock(hMem);
                    }
                    if (hMem)
                        GlobalFree(hMem);
                }

                /* Something went wrong. */
                EmptyClipboard();
            }
        } break;

        case WM_RENDERALLFORMATS:
        {
            /* Do nothing. The clipboard formats will be unavailable now, because the
             * windows is to be destroyed and therefore the guest side becomes inactive.
             */
            if (OpenClipboard(hwnd))
            {
                EmptyClipboard();
                CloseClipboard();
            }
        } break;

        case WM_USER:
        {
            /* Announce available formats. Do not insert data, they will be inserted in WM_RENDER*. */
            uint32_t u32Formats = (uint32_t)lParam;

            if (FALSE == OpenClipboard(hwnd))
            {
                Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER: Failed to open clipboard! Last error = %ld\n", GetLastError()));
            }
            else
            {
                EmptyClipboard();

                HANDLE hClip = NULL;

                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT)
                {
                    Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER: VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT\n"));
                    hClip = SetClipboardData(CF_UNICODETEXT, NULL);
                }

                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_BITMAP)
                {
                    Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER: VBOX_SHARED_CLIPBOARD_FMT_BITMAP\n"));
                    hClip = SetClipboardData(CF_DIB, NULL);
                }

                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_HTML)
                {
                    UINT format = RegisterClipboardFormat ("HTML Format");
                    Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER: VBOX_SHARED_CLIPBOARD_FMT_HTML 0x%04X\n", format));
                    if (format != 0)
                    {
                        hClip = SetClipboardData(format, NULL);
                    }
                }

                CloseClipboard();
                Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER: hClip = %p, err = %ld\n", hClip, GetLastError ()));
            }
        } break;

        case WM_USER + 1:
        {
            /* Send data in the specified format to the host. */
            uint32_t u32Formats = (uint32_t)lParam;
            HANDLE hClip = NULL;

            if (FALSE == OpenClipboard(hwnd))
            {
                Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER: Failed to open clipboard! Last error = %ld\n", GetLastError()));
            }
            else
            {
                int vboxrc;
                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_BITMAP)
                {
                    hClip = GetClipboardData(CF_DIB);

                    if (hClip != NULL)
                    {
                        LPVOID lp = GlobalLock(hClip);
                        if (lp != NULL)
                        {
                            Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER + 1: CF_DIB\n"));
                            vboxrc = VbglR3ClipboardWriteData(pCtx->u32ClientID, VBOX_SHARED_CLIPBOARD_FMT_BITMAP,
                                                              lp, GlobalSize(hClip));
                            GlobalUnlock(hClip);
                        }
                        else
                        {
                            hClip = NULL;
                        }
                    }
                }
                else if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT)
                {
                    hClip = GetClipboardData(CF_UNICODETEXT);

                    if (hClip != NULL)
                    {
                        LPWSTR uniString = (LPWSTR)GlobalLock(hClip);

                        if (uniString != NULL)
                        {
                            Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER + 1: CF_UNICODETEXT\n"));
                            vboxrc = VbglR3ClipboardWriteData(pCtx->u32ClientID, VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT,
                                                              uniString, (lstrlenW(uniString) + 1) * 2);
                            GlobalUnlock(hClip);
                        }
                        else
                        {
                            hClip = NULL;
                        }
                    }
                }
                else if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_HTML)
                {
                    UINT format = RegisterClipboardFormat ("HTML Format");
                    if (format != 0)
                    {
                        hClip = GetClipboardData(format);
                        if (hClip != NULL)
                        {
                            LPVOID lp = GlobalLock(hClip);

                            if (lp != NULL)
                            {
                                Log(("VBoxTray: vboxClipboardProcessMsg: WM_USER + 1: CF_HTML\n"));
                                vboxrc = VbglR3ClipboardWriteData(pCtx->u32ClientID, VBOX_SHARED_CLIPBOARD_FMT_HTML,
                                                                  lp, GlobalSize(hClip));
                                GlobalUnlock(hClip);
                            }
                            else
                            {
                                hClip = NULL;
                            }
                        }
                    }
                }

                CloseClipboard();
            }

            if (hClip == NULL)
            {
                /* Requested clipboard format is not available, send empty data. */
                VbglR3ClipboardWriteData(pCtx->u32ClientID, 0, NULL, 0);
            }
        } break;

        default:
        {
            rc = DefWindowProc(hwnd, msg, wParam, lParam);
        }
    }

    Log(("VBoxTray: vboxClipboardProcessMsg returned with rc = %ld\n", rc));
    return rc;
}
コード例 #3
0
static LRESULT CALLBACK vboxClipboardWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    LRESULT rc = 0;

    VBOXCLIPBOARDCONTEXT *pCtx = &g_ctx;

    switch (msg)
    {
        case WM_CHANGECBCHAIN:
        {
            Log(("WM_CHANGECBCHAIN\n"));

            HWND hwndRemoved = (HWND)wParam;
            HWND hwndNext    = (HWND)lParam;

            if (hwndRemoved == pCtx->hwndNextInChain)
            {
                /* The window that was next to our in the chain is being removed.
                 * Relink to the new next window.
                 */
                pCtx->hwndNextInChain = hwndNext;
            }
            else
            {
                if (pCtx->hwndNextInChain)
                {
                    /* Pass the message further. */
                    DWORD_PTR dwResult;
                    rc = SendMessageTimeout(pCtx->hwndNextInChain, WM_CHANGECBCHAIN, wParam, lParam, 0, CBCHAIN_TIMEOUT, &dwResult);
                    if (!rc)
                        rc = (LRESULT)dwResult;
                }
            }
        } break;

        case WM_DRAWCLIPBOARD:
        {
            Log(("WM_DRAWCLIPBOARD next %p\n", pCtx->hwndNextInChain));

            if (GetClipboardOwner () != hwnd)
            {
                /* Clipboard was updated by another application. */
                vboxClipboardChanged (pCtx);
            }

            if (pCtx->hwndNextInChain)
            {
                /* Pass the message to next windows in the clipboard chain. */
                DWORD_PTR dwResult;
                rc = SendMessageTimeout(pCtx->hwndNextInChain, msg, wParam, lParam, 0, CBCHAIN_TIMEOUT, &dwResult);
                if (!rc)
                    rc = dwResult;
            }
        } break;

        case WM_TIMER:
        {
            HWND hViewer = GetClipboardViewer();

            /* Re-register ourselves in the clipboard chain if our last ping
             * timed out or there seems to be no valid chain. */
            if (!hViewer || pCtx->fCBChainPingInProcess)
            {
                removeFromCBChain(pCtx);
                addToCBChain(pCtx);
            }
            /* Start a new ping by passing a dummy WM_CHANGECBCHAIN to be
             * processed by ourselves to the chain. */
            pCtx->fCBChainPingInProcess = TRUE;
            hViewer = GetClipboardViewer();
            if (hViewer)
                SendMessageCallback(hViewer, WM_CHANGECBCHAIN, (WPARAM)pCtx->hwndNextInChain, (LPARAM)pCtx->hwndNextInChain, CBChainPingProc, (ULONG_PTR) pCtx);
        } break;

        case WM_CLOSE:
        {
            /* Do nothing. Ignore the message. */
        } break;

        case WM_RENDERFORMAT:
        {
            /* Insert the requested clipboard format data into the clipboard. */
            uint32_t u32Format = 0;

            UINT format = (UINT)wParam;

            Log(("WM_RENDERFORMAT %d\n", format));

            switch (format)
            {
                case CF_UNICODETEXT:
                    u32Format |= VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT;
                    break;

                case CF_DIB:
                    u32Format |= VBOX_SHARED_CLIPBOARD_FMT_BITMAP;
                    break;

                default:
                    if (format >= 0xC000)
                    {
                        TCHAR szFormatName[256];

                        int cActual = GetClipboardFormatName(format, szFormatName, sizeof(szFormatName)/sizeof (TCHAR));

                        if (cActual)
                        {
                            if (strcmp (szFormatName, "HTML Format") == 0)
                            {
                                u32Format |= VBOX_SHARED_CLIPBOARD_FMT_HTML;
                            }
                        }
                    }
                    break;
            }

            if (u32Format == 0 || pCtx->pClient == NULL)
            {
                /* Unsupported clipboard format is requested. */
                Log(("WM_RENDERFORMAT unsupported format requested or client is not active.\n"));
                EmptyClipboard ();
            }
            else
            {
                int vboxrc = vboxClipboardReadDataFromClient (pCtx, u32Format);

                dprintf(("vboxClipboardReadDataFromClient vboxrc = %d\n", vboxrc));

                if (   RT_SUCCESS (vboxrc)
                    && pCtx->pClient->data.pv != NULL
                    && pCtx->pClient->data.cb > 0
                    && pCtx->pClient->data.u32Format == u32Format)
                {
                    HANDLE hMem = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, pCtx->pClient->data.cb);

                    dprintf(("hMem %p\n", hMem));

                    if (hMem)
                    {
                        void *pMem = GlobalLock (hMem);

                        dprintf(("pMem %p, GlobalSize %d\n", pMem, GlobalSize (hMem)));

                        if (pMem)
                        {
                            Log(("WM_RENDERFORMAT setting data\n"));

                            if (pCtx->pClient->data.pv)
                            {
                                memcpy (pMem, pCtx->pClient->data.pv, pCtx->pClient->data.cb);

                                RTMemFree (pCtx->pClient->data.pv);
                                pCtx->pClient->data.pv        = NULL;
                            }

                            pCtx->pClient->data.cb        = 0;
                            pCtx->pClient->data.u32Format = 0;

                            /* The memory must be unlocked before inserting to the Clipboard. */
                            GlobalUnlock (hMem);

                            /* 'hMem' contains the host clipboard data.
                             * size is 'cb' and format is 'format'.
                             */
                            HANDLE hClip = SetClipboardData (format, hMem);

                            dprintf(("vboxClipboardHostEvent hClip %p\n", hClip));

                            if (hClip)
                            {
                                /* The hMem ownership has gone to the system. Nothing to do. */
                                break;
                            }
                        }

                        GlobalFree (hMem);
                    }
                }

                RTMemFree (pCtx->pClient->data.pv);
                pCtx->pClient->data.pv        = NULL;
                pCtx->pClient->data.cb        = 0;
                pCtx->pClient->data.u32Format = 0;

                /* Something went wrong. */
                EmptyClipboard ();
            }
        } break;

        case WM_RENDERALLFORMATS:
        {
            Log(("WM_RENDERALLFORMATS\n"));

            /* Do nothing. The clipboard formats will be unavailable now, because the
             * windows is to be destroyed and therefore the guest side becomes inactive.
             */
            if (OpenClipboard (hwnd))
            {
                EmptyClipboard();

                CloseClipboard();
            }
        } break;

        case WM_USER:
        {
            if (pCtx->pClient == NULL || pCtx->pClient->fMsgFormats)
            {
                /* Host has pending formats message. Ignore the guest announcement,
                 * because host clipboard has more priority.
                 */
                break;
            }

            /* Announce available formats. Do not insert data, they will be inserted in WM_RENDER*. */
            uint32_t u32Formats = (uint32_t)lParam;

            Log(("WM_USER u32Formats = %02X\n", u32Formats));

            if (OpenClipboard (hwnd))
            {
                EmptyClipboard();

                Log(("WM_USER emptied clipboard\n"));

                HANDLE hClip = NULL;

                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT)
                {
                    dprintf(("window proc WM_USER: VBOX_SHARED_CLIPBOARD_FMT_UNICODETEXT\n"));

                    hClip = SetClipboardData (CF_UNICODETEXT, NULL);
                }

                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_BITMAP)
                {
                    dprintf(("window proc WM_USER: VBOX_SHARED_CLIPBOARD_FMT_BITMAP\n"));

                    hClip = SetClipboardData (CF_DIB, NULL);
                }

                if (u32Formats & VBOX_SHARED_CLIPBOARD_FMT_HTML)
                {
                    UINT format = RegisterClipboardFormat ("HTML Format");
                    dprintf(("window proc WM_USER: VBOX_SHARED_CLIPBOARD_FMT_HTML 0x%04X\n", format));
                    if (format != 0)
                    {
                        hClip = SetClipboardData (format, NULL);
                    }
                }

                CloseClipboard();

                dprintf(("window proc WM_USER: hClip %p, err %d\n", hClip, GetLastError ()));
            }
            else
            {
                dprintf(("window proc WM_USER: failed to open clipboard\n"));
            }
        } break;

        default:
        {
            Log(("WM_ %p\n", msg));
            rc = DefWindowProc (hwnd, msg, wParam, lParam);
        }
    }

    Log(("WM_ rc %d\n", rc));
    return rc;
}
コード例 #4
0
DECLCALLBACK(int) VBoxClipboardThread (RTTHREAD ThreadSelf, void *pInstance)
{
    /* Create a window and make it a clipboard viewer. */
    int rc = VINF_SUCCESS;

    LogFlow(("VBoxClipboardThread\n"));

    VBOXCLIPBOARDCONTEXT *pCtx = &g_ctx;

    HINSTANCE hInstance = (HINSTANCE)GetModuleHandle (NULL);

    /* Register the Window Class. */
    WNDCLASS wc;

    wc.style         = CS_NOCLOSE;
    wc.lpfnWndProc   = vboxClipboardWndProc;
    wc.cbClsExtra    = 0;
    wc.cbWndExtra    = 0;
    wc.hInstance     = hInstance;
    wc.hIcon         = NULL;
    wc.hCursor       = NULL;
    wc.hbrBackground = (HBRUSH)(COLOR_BACKGROUND + 1);
    wc.lpszMenuName  = NULL;
    wc.lpszClassName = gachWindowClassName;

    ATOM atomWindowClass = RegisterClass (&wc);

    if (atomWindowClass == 0)
    {
        Log(("Failed to register window class\n"));
        rc = VERR_NOT_SUPPORTED;
    }
    else
    {
        /* Create the window. */
        pCtx->hwnd = CreateWindowEx (WS_EX_TOOLWINDOW | WS_EX_TRANSPARENT | WS_EX_TOPMOST,
                                     gachWindowClassName, gachWindowClassName,
                                     WS_POPUPWINDOW,
                                     -200, -200, 100, 100, NULL, NULL, hInstance, NULL);

        if (pCtx->hwnd == NULL)
        {
            Log(("Failed to create window\n"));
            rc = VERR_NOT_SUPPORTED;
        }
        else
        {
            SetWindowPos(pCtx->hwnd, HWND_TOPMOST, -200, -200, 0, 0,
                         SWP_NOACTIVATE | SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_NOSIZE);

            addToCBChain(pCtx);
            pCtx->timerRefresh = SetTimer(pCtx->hwnd, 0, 10 * 1000, NULL);

            MSG msg;
            while (GetMessage(&msg, NULL, 0, 0) && !pCtx->fTerminate)
            {
                TranslateMessage(&msg);
                DispatchMessage(&msg);
            }
        }
    }

    if (pCtx->hwnd)
    {
        removeFromCBChain(pCtx);
        if (pCtx->timerRefresh)
            KillTimer(pCtx->hwnd, 0);

        DestroyWindow (pCtx->hwnd);
        pCtx->hwnd = NULL;
    }

    if (atomWindowClass != 0)
    {
        UnregisterClass (gachWindowClassName, hInstance);
        atomWindowClass = 0;
    }

    return 0;
}
コード例 #5
0
ファイル: VBoxClipboard-win.cpp プロジェクト: miguelinux/vbox
DECLCALLBACK(int) VBoxClipboardThread (RTTHREAD ThreadSelf, void *pInstance)
{
    /* Create a window and make it a clipboard viewer. */
    int rc = VINF_SUCCESS;

    LogFlow(("VBoxClipboardThread\n"));

    VBOXCLIPBOARDCONTEXT *pCtx = &g_ctx;

    HINSTANCE hInstance = (HINSTANCE)GetModuleHandle(NULL);

    /* Register the Window Class. */
    WNDCLASS wc;
    RT_ZERO(wc);

    wc.style         = CS_NOCLOSE;
    wc.lpfnWndProc   = vboxClipboardWndProc;
    wc.hInstance     = hInstance;
    wc.hbrBackground = (HBRUSH)(COLOR_BACKGROUND + 1);
    wc.lpszClassName = gachWindowClassName;

    ATOM atomWindowClass = RegisterClass(&wc);

    if (atomWindowClass == 0)
    {
        Log(("Failed to register window class\n"));
        rc = VERR_NOT_SUPPORTED;
    }
    else
    {
        /* Create the window. */
        pCtx->hwnd = CreateWindowEx (WS_EX_TOOLWINDOW | WS_EX_TRANSPARENT | WS_EX_TOPMOST,
                                     gachWindowClassName, gachWindowClassName,
                                     WS_POPUPWINDOW,
                                     -200, -200, 100, 100, NULL, NULL, hInstance, NULL);

        if (pCtx->hwnd == NULL)
        {
            Log(("Failed to create window\n"));
            rc = VERR_NOT_SUPPORTED;
        }
        else
        {
            SetWindowPos(pCtx->hwnd, HWND_TOPMOST, -200, -200, 0, 0,
                         SWP_NOACTIVATE | SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_NOSIZE);

            addToCBChain(pCtx);
            if (!vboxClipboardIsNewAPI(pCtx))
                pCtx->timerRefresh = SetTimer(pCtx->hwnd, 0, 10 * 1000, NULL);

            MSG msg;
            BOOL msgret = 0;
            while ((msgret = GetMessage(&msg, NULL, 0, 0)) > 0)
            {
                TranslateMessage(&msg);
                DispatchMessage(&msg);
            }
            /* 
            * Window procedure can return error, 
            * but this is exceptional situation 
            * that should be identified in testing
            */
            Assert(msgret >= 0);
            Log(("VBoxClipboardThread Message loop finished. GetMessage returned %d, message id: %d \n", msgret, msg.message));
        }
    }

    pCtx->hwnd = NULL;

    if (atomWindowClass != 0)
    {
        UnregisterClass (gachWindowClassName, hInstance);
        atomWindowClass = 0;
    }

    return 0;
}