mciwnd.c

winNT技术操作系统,国外开放的原代码和LIUX一样

        break;
    }
}

static LRESULT MCIWND_Command(MCIWndInfo *mwi, WPARAM wParam, LPARAM lParam)
{
    switch (LOWORD(wParam))
    {
    case CTL_PLAYSTOP: MCIWND_ToggleState(mwi); break;
    case CTL_MENU:
    case CTL_TRACKBAR:
    default:
        FIXME("support for command %04x not implement yet\n", LOWORD(wParam));
    }
    return 0L;
}

static void MCIWND_notify_media(MCIWndInfo *mwi)
{
    if (mwi->dwStyle & (MCIWNDF_NOTIFYMEDIAA | MCIWNDF_NOTIFYMEDIAW))
    {
        if (!mwi->lpName)
        {
            static const WCHAR empty_str[1];
            SendMessageW(mwi->hwndOwner, MCIWNDM_NOTIFYMEDIA, (WPARAM)mwi->hWnd, (LPARAM)empty_str);
        }
        else
        {
            if (mwi->dwStyle & MCIWNDF_NOTIFYANSI)
            {
                char *ansi_name;
                int len;

                len = WideCharToMultiByte(CP_ACP, 0, mwi->lpName, -1, NULL, 0, NULL, NULL);
                ansi_name = HeapAlloc(GetProcessHeap(), 0, len);
                WideCharToMultiByte(CP_ACP, 0, mwi->lpName, -1, ansi_name, len, NULL, NULL);

                SendMessageW(mwi->hwndOwner, MCIWNDM_NOTIFYMEDIA, (WPARAM)mwi->hWnd, (LPARAM)ansi_name);

                HeapFree(GetProcessHeap(), 0, ansi_name);
            }
            else
                SendMessageW(mwi->hwndOwner, MCIWNDM_NOTIFYMEDIA, (WPARAM)mwi->hWnd, (LPARAM)mwi->lpName);
        }
    }
}

static MCIERROR mci_generic_command(MCIWndInfo *mwi, UINT cmd)
{
    MCI_GENERIC_PARMS mci_generic;

    mci_generic.dwCallback = 0;
    mwi->lasterror = mciSendCommandW(mwi->mci, cmd, 0, (DWORD_PTR)&mci_generic);

    if (mwi->lasterror)
        return mwi->lasterror;

    MCIWND_notify_mode(mwi);
    MCIWND_UpdateState(mwi);
    return 0;
}

static LRESULT mci_get_devcaps(MCIWndInfo *mwi, UINT cap)
{
    MCI_GETDEVCAPS_PARMS mci_devcaps;

    mci_devcaps.dwItem = cap;
    mwi->lasterror = mciSendCommandW(mwi->mci, MCI_GETDEVCAPS,
                                   MCI_GETDEVCAPS_ITEM,
                                   (DWORD_PTR)&mci_devcaps);
    if (mwi->lasterror)
        return 0;

    return mci_devcaps.dwReturn;
}

static LRESULT WINAPI MCIWndProc(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam)
{
    MCIWndInfo *mwi;

    TRACE("%p %04x %08x %08lx\n", hWnd, wMsg, wParam, lParam);

    mwi = (MCIWndInfo*)GetWindowLongW(hWnd, 0);
    if (!mwi && wMsg != WM_CREATE)
        return DefWindowProcW(hWnd, wMsg, wParam, lParam);

    switch (wMsg)
    {
    case WM_CREATE:
        MCIWND_Create(hWnd, (CREATESTRUCTW *)lParam);
        break;

    case WM_DESTROY:
        if (mwi->uTimer)
            KillTimer(hWnd, mwi->uTimer);

        if (mwi->mci)
            SendMessageW(hWnd, MCI_CLOSE, 0, 0);

        HeapFree(GetProcessHeap(), 0, mwi);

        DestroyWindow(GetDlgItem(hWnd, CTL_MENU));
        DestroyWindow(GetDlgItem(hWnd, CTL_PLAYSTOP));
        DestroyWindow(GetDlgItem(hWnd, CTL_TRACKBAR));
        break;

    case WM_PAINT:
        {
            MCI_DGV_UPDATE_PARMS mci_update;
            PAINTSTRUCT ps;

            mci_update.hDC = (wParam) ? (HDC)wParam : BeginPaint(hWnd, &ps);

            mciSendCommandW(mwi->mci, MCI_UPDATE,
                            MCI_DGV_UPDATE_HDC | MCI_DGV_UPDATE_PAINT,
                            (DWORD_PTR)&mci_update);

            if (!wParam) EndPaint(hWnd, &ps);
            return 1;
        }

    case WM_COMMAND:
        return MCIWND_Command(mwi, wParam, lParam);

    case WM_NCACTIVATE:
        if (mwi->uTimer)
        {
            KillTimer(hWnd, mwi->uTimer);
            mwi->uTimer = SetTimer(hWnd, 1, wParam ? mwi->active_timer : mwi->inactive_timer, NULL);
        }
        break;

    case WM_TIMER:
        MCIWND_UpdateState(mwi);
        return 0;

    case WM_SIZE:
        SetWindowPos(GetDlgItem(hWnd, CTL_PLAYSTOP), 0, 0, HIWORD(lParam) - 32, 0, 0, SWP_NOSIZE | SWP_NOACTIVATE);
        SetWindowPos(GetDlgItem(hWnd, CTL_MENU), 0, 32, HIWORD(lParam) - 32, 0, 0, SWP_NOSIZE | SWP_NOACTIVATE);
        SetWindowPos(GetDlgItem(hWnd, CTL_TRACKBAR), 0, 64, HIWORD(lParam) - 32, LOWORD(lParam) - 64, 32, SWP_NOACTIVATE);

        if (!(mwi->dwStyle & MCIWNDF_NOAUTOSIZEMOVIE))
        {
            RECT rc;

            rc.left = rc.top = 0;
            rc.right = LOWORD(lParam);
            rc.bottom = HIWORD(lParam);
            if (!(mwi->dwStyle & MCIWNDF_NOPLAYBAR))
                rc.bottom -= 32; /* subtract the height of the playbar */
            SendMessageW(hWnd, MCIWNDM_PUT_DEST, 0, (LPARAM)&rc);
        }
        MCIWND_notify_size(mwi);
        break;

    case MM_MCINOTIFY:
        MCIWND_notify_mode(mwi);
        MCIWND_UpdateState(mwi);
        return 0;

    case MCIWNDM_OPENA:
        {
            UNICODE_STRING nameW;
            TRACE("MCIWNDM_OPENA %s\n", debugstr_a((LPSTR)lParam));
            RtlCreateUnicodeStringFromAsciiz(&nameW, (LPCSTR)lParam);
            lParam = (LPARAM)nameW.Buffer;
        }
        /* fall through */
    case MCIWNDM_OPENW:
        {
            RECT rc;
            HCURSOR hCursor;
            MCI_OPEN_PARMSW mci_open;
            MCI_GETDEVCAPS_PARMS mci_devcaps;
            WCHAR aliasW[64];
            WCHAR drv_name[MAX_PATH];
            static const WCHAR formatW[] = {'%','d',0};
            static const WCHAR mci32W[] = {'m','c','i','3','2',0};
            static const WCHAR system_iniW[] = {'s','y','s','t','e','m','.','i','n','i',0};

            TRACE("MCIWNDM_OPENW %s\n", debugstr_w((LPWSTR)lParam));

            if (wParam == MCIWNDOPENF_NEW)
            {
                SendMessageW(hWnd, MCIWNDM_NEWW, 0, lParam);
                goto end_of_mci_open;
            }

            if (mwi->uTimer)
            {
                KillTimer(hWnd, mwi->uTimer);
                mwi->uTimer = 0;
            }

            hCursor = LoadCursorW(0, (LPWSTR)IDC_WAIT);
            hCursor = SetCursor(hCursor);

            mci_open.lpstrElementName = (LPWSTR)lParam;
            wsprintfW(aliasW, formatW, (int)hWnd + 1);
            mci_open.lpstrAlias = aliasW;
            mwi->lasterror = mciSendCommandW(mwi->mci, MCI_OPEN,
                                             MCI_OPEN_ELEMENT | MCI_OPEN_ALIAS | MCI_WAIT,
                                             (DWORD_PTR)&mci_open);
            SetCursor(hCursor);

            if (mwi->lasterror && !(mwi->dwStyle & MCIWNDF_NOERRORDLG))
            {
                /* FIXME: get the caption from resources */
                static const WCHAR caption[] = {'M','C','I',' ','E','r','r','o','r',0};
                WCHAR error_str[MAXERRORLENGTH];

                mciGetErrorStringW(mwi->lasterror, error_str, MAXERRORLENGTH);
                MessageBoxW(hWnd, error_str, caption, MB_ICONEXCLAMATION | MB_OK);
                MCIWND_notify_error(mwi);
                goto end_of_mci_open;
            }

            mwi->mci = mci_open.wDeviceID;
            mwi->alias = (int)hWnd + 1;

            mwi->lpName = HeapAlloc(GetProcessHeap(), 0, (strlenW((LPWSTR)lParam) + 1) * sizeof(WCHAR));
            strcpyW(mwi->lpName, (LPWSTR)lParam);

            MCIWND_UpdateState(mwi);

            mci_devcaps.dwItem = MCI_GETDEVCAPS_DEVICE_TYPE;
            mwi->lasterror = mciSendCommandW(mwi->mci, MCI_GETDEVCAPS,
                                             MCI_GETDEVCAPS_ITEM,
                                             (DWORD_PTR)&mci_devcaps);
            if (mwi->lasterror)
            {
                MCIWND_notify_error(mwi);
                goto end_of_mci_open;
            }

            mwi->dev_type = mci_devcaps.dwReturn;

            drv_name[0] = 0;
            SendMessageW(hWnd, MCIWNDM_GETDEVICEW, 256, (LPARAM)drv_name);
            if (drv_name[0] && GetPrivateProfileStringW(mci32W, drv_name, NULL,
                                            drv_name, MAX_PATH, system_iniW))
                mwi->hdrv = OpenDriver(drv_name, NULL, 0);

            if (mwi->dev_type == MCI_DEVTYPE_DIGITAL_VIDEO)
            {
                MCI_DGV_WINDOW_PARMSW mci_window;

                mci_window.hWnd = hWnd;
                mwi->lasterror = mciSendCommandW(mwi->mci, MCI_WINDOW,
                                                 MCI_DGV_WINDOW_HWND,
                                                 (DWORD_PTR)&mci_window);
                if (mwi->lasterror)
                {
                    MCIWND_notify_error(mwi);
                    goto end_of_mci_open;
                }
            }

            if (SendMessageW(hWnd, MCIWNDM_GET_DEST, 0, (LPARAM)&rc) == 0)
            {
                mwi->size.cx = rc.right - rc.left;
                mwi->size.cy = rc.bottom - rc.top;

                rc.right = MulDiv(mwi->size.cx, mwi->zoom, 100);
                rc.bottom = MulDiv(mwi->size.cy, mwi->zoom, 100);
                SendMessageW(hWnd, MCIWNDM_PUT_DEST, 0, (LPARAM)&rc);
            }
            else
            {
                GetClientRect(hWnd, &rc);
                rc.bottom = rc.top;
            }

            if (!(mwi->dwStyle & MCIWNDF_NOPLAYBAR))
                rc.bottom += 32; /* add the height of the playbar */
            AdjustWindowRect(&rc, GetWindowLongW(hWnd, GWL_STYLE), FALSE);
            SetWindowPos(hWnd, 0, 0, 0, rc.right - rc.left,
                         rc.bottom - rc.top, SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);

            SendDlgItemMessageW(hWnd, CTL_TRACKBAR, TBM_SETRANGEMIN, 0L, 0L);
            SendDlgItemMessageW(hWnd, CTL_TRACKBAR, TBM_SETRANGEMAX, 1,
                                SendMessageW(hWnd, MCIWNDM_GETLENGTH, 0, 0));
            mwi->uTimer = SetTimer(hWnd, 1, mwi->active_timer, NULL);

            MCIWND_notify_media(mwi);

end_of_mci_open:
            if (wMsg == MCIWNDM_OPENA)
                HeapFree(GetProcessHeap(), 0, (void *)lParam);
            return mwi->lasterror;
        }

    case MCIWNDM_GETDEVICEID:
        TRACE("MCIWNDM_GETDEVICEID\n");
        return mwi->mci;

    case MCIWNDM_GETALIAS:
        TRACE("MCIWNDM_GETALIAS\n");
        return mwi->alias;

    case MCIWNDM_GET_SOURCE:
        {
            MCI_DGV_RECT_PARMS mci_rect;

            mwi->lasterror = mciSendCommandW(mwi->mci, MCI_WHERE,
                                             MCI_DGV_WHERE_SOURCE,
                                             (DWORD_PTR)&mci_rect);
            if (mwi->lasterror)
            {
                MCIWND_notify_error(mwi);
                return mwi->lasterror;
            }
            *(RECT *)lParam = mci_rect.rc;
            TRACE("MCIWNDM_GET_SOURCE: %s\n", wine_dbgstr_rect(&mci_rect.rc));
            return 0;
        }

    case MCIWNDM_GET_DEST:
        {
            MCI_DGV_RECT_PARMS mci_rect;

            mwi->lasterror = mciSendCommandW(mwi->mci, MCI_WHERE,
                                             MCI_DGV_WHERE_DESTINATION,
                                             (DWORD_PTR)&mci_rect);
            if (mwi->lasterror)
            {
                MCIWND_notify_error(mwi);
                return mwi->lasterror;
            }
            *(RECT *)lParam = mci_rect.rc;
            TRACE("MCIWNDM_GET_DEST: %s\n", wine_dbgstr_rect(&mci_rect.rc));
            return 0;
        }

    case MCIWNDM_PUT_SOURCE:
        {
            MCI_DGV_PUT_PARMS mci_put;

            mci_put.rc = *(RECT *)lParam;
            TRACE("MCIWNDM_PUT_SOURCE: %s\n", wine_dbgstr_rect(&mci_put.rc));
            mwi->lasterror = mciSendCommandW(mwi->mci, MCI_PUT,
                                             MCI_DGV_PUT_SOURCE,
                                             (DWORD_PTR)&mci_put);
            if (mwi->lasterror)
            {
                MCIWND_notify_error(mwi);
                return mwi->lasterror;
            }
            return 0;
        }

    case MCIWNDM_PUT_DEST:
        {
            MCI_DGV_PUT_PARMS mci_put;