mouse.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

            /* hide pointer while typing */
            if (!SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &pOptionData->bMouseVanish, 0))
                pOptionData->bMouseVanish = FALSE;
            pOptionData->bOrigMouseVanish = pOptionData->bMouseVanish;

            /* show pointer with Ctrl-Key */
            if (!SystemParametersInfo(SPI_GETMOUSESONAR, 0, &pOptionData->bMouseSonar, 0))
                pOptionData->bMouseSonar = FALSE;
            pOptionData->bOrigMouseSonar = pOptionData->bMouseSonar;

            /* Set mouse speed */
            hDlgCtrl = GetDlgItem(hwndDlg, IDC_SLIDER_MOUSE_SPEED);
            SendMessage(hDlgCtrl, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(0, 19));
            SendMessage(hDlgCtrl, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pOptionData->ulMouseSpeed - 1);

            if (pOptionData->MouseAccel.nAcceleration)
            {
                hDlgCtrl = GetDlgItem(hwndDlg, IDC_CHECK_POINTER_PRECISION);
                SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
            }

            if (pOptionData->bSnapToDefaultButton)
            {
                hDlgCtrl = GetDlgItem(hwndDlg, IDC_CHECK_SNAP_TO);
                SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
            }

            /* set mouse trail */
            hDlgCtrl = GetDlgItem(hwndDlg, IDC_SLIDER_POINTER_TRAIL);
            SendMessage(hDlgCtrl, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(0, 5));
            if (pOptionData->uMouseTrails < 2)
            {
                SendMessage(hDlgCtrl, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)5);
                EnableWindow(hDlgCtrl, FALSE);
                EnableWindow(GetDlgItem(hwndDlg, IDC_TEXT_TRAIL_SHORT), FALSE);
                EnableWindow(GetDlgItem(hwndDlg, IDC_TEXT_TRAIL_LONG), FALSE);
            }
            else
            {
                SendDlgItemMessage(hwndDlg, IDC_CHECK_POINTER_TRAIL, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
                SendMessage(hDlgCtrl, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pOptionData->uMouseTrails - 2);
            }

            if (pOptionData->bMouseVanish)
            {
                hDlgCtrl = GetDlgItem(hwndDlg, IDC_CHECK_HIDE_POINTER);
                SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
            }

            if (pOptionData->bMouseSonar)
            {
                hDlgCtrl = GetDlgItem(hwndDlg, IDC_CHECK_SHOW_POINTER);
                SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
            }

            break;

        case WM_DESTROY:
            HeapFree(GetProcessHeap(), 0, pOptionData);
            break;

        case WM_COMMAND:
            switch(LOWORD(wParam))
            {
                case IDC_CHECK_POINTER_PRECISION:
                    if(IsDlgButtonChecked(hwndDlg, IDC_CHECK_POINTER_PRECISION))
                    {
                        pOptionData->MouseAccel.nAcceleration = 0;
                        pOptionData->MouseAccel.nThreshold1 = 0;
                        pOptionData->MouseAccel.nThreshold2 = 0;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
                    }
                    else
                    {
                        pOptionData->MouseAccel.nAcceleration = 1;
                        pOptionData->MouseAccel.nThreshold1 = 6;
                        pOptionData->MouseAccel.nThreshold2 = 10;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
                    }
                    SystemParametersInfo(SPI_SETMOUSE, 0, &pOptionData->MouseAccel, 0);
                    break;

                case IDC_CHECK_SNAP_TO:
                    if(IsDlgButtonChecked(hwndDlg, IDC_CHECK_SNAP_TO))
                    {
                        pOptionData->bSnapToDefaultButton = 0;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
                    }
                    else
                    {
                        pOptionData->bSnapToDefaultButton = 1;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
                    }
                    SystemParametersInfo(SPI_SETSNAPTODEFBUTTON, (UINT)pOptionData->bSnapToDefaultButton, 0, 0);
                    break;

                case IDC_CHECK_POINTER_TRAIL:
                    hDlgCtrl = GetDlgItem(hwndDlg, IDC_SLIDER_POINTER_TRAIL);
                    if(IsDlgButtonChecked(hwndDlg, IDC_CHECK_POINTER_TRAIL))
                    {
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
                        EnableWindow(hDlgCtrl, FALSE);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_TEXT_TRAIL_SHORT), FALSE);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_TEXT_TRAIL_LONG), FALSE);
                        pOptionData->uMouseTrails = 0;
                    }
                    else
                    {
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
                        EnableWindow(hDlgCtrl, TRUE);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_TEXT_TRAIL_SHORT), TRUE);
                        EnableWindow(GetDlgItem(hwndDlg, IDC_TEXT_TRAIL_LONG), TRUE);
                        pOptionData->uMouseTrails = (UINT)SendMessage(hDlgCtrl, TBM_GETPOS, 0, 0) + 2;
                    }
                    SystemParametersInfo(SPI_SETMOUSETRAILS, pOptionData->uMouseTrails, 0, 0);
                    break;

                case IDC_CHECK_HIDE_POINTER:
                    if(IsDlgButtonChecked(hwndDlg, IDC_CHECK_HIDE_POINTER))
                    {
                        pOptionData->bMouseVanish = FALSE;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
                    }
                    else
                    {
                        pOptionData->bMouseVanish = TRUE;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
                    }
                    SystemParametersInfo(SPI_SETMOUSEVANISH, 0, (PVOID)pOptionData->bMouseVanish, 0);
                    break;

                case IDC_CHECK_SHOW_POINTER:
                    if(IsDlgButtonChecked(hwndDlg, IDC_CHECK_SHOW_POINTER))
                    {
                        pOptionData->bMouseSonar = FALSE;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
                    }
                    else
                    {
                        pOptionData->bMouseSonar = TRUE;
                        SendMessage((HWND)lParam, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
                    }
                    SystemParametersInfo(SPI_SETMOUSESONAR, 0, (PVOID)pOptionData->bMouseSonar, 0);
                    break;

            }
            PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
            break;

        case WM_NOTIFY:
            lppsn = (LPPSHNOTIFY)lParam;
            if (lppsn->hdr.code == PSN_APPLY)
            {
                /* Set mouse speed */
                if (pOptionData->ulOrigMouseSpeed != pOptionData->ulMouseSpeed)
                {
                    SystemParametersInfo(SPI_SETMOUSESPEED, 0, (PVOID)pOptionData->ulMouseSpeed, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->ulOrigMouseSpeed = pOptionData->ulMouseSpeed;
                }

                if (pOptionData->OrigMouseAccel.nAcceleration != pOptionData->MouseAccel.nAcceleration)
                {
                    SystemParametersInfo(SPI_SETMOUSE, 0, &pOptionData->MouseAccel, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->OrigMouseAccel.nAcceleration = pOptionData->MouseAccel.nAcceleration;
                    pOptionData->OrigMouseAccel.nThreshold1 = pOptionData->MouseAccel.nThreshold1;
                    pOptionData->OrigMouseAccel.nThreshold2 = pOptionData->MouseAccel.nThreshold2;
                }


                /* set snap to default button */
                if (pOptionData->bOrigSnapToDefaultButton != pOptionData->bSnapToDefaultButton)
                {
                    SystemParametersInfo(SPI_SETSNAPTODEFBUTTON, (UINT)pOptionData->bSnapToDefaultButton, 0, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->bOrigSnapToDefaultButton = pOptionData->bSnapToDefaultButton;
                }

                /* Set mouse trails setting */
                if (pOptionData->uOrigMouseTrails != pOptionData->uMouseTrails)
                {
                    SystemParametersInfo(SPI_SETMOUSETRAILS, pOptionData->uMouseTrails, 0, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->uOrigMouseTrails = pOptionData->uMouseTrails;
                }

                /* hide pointer while typing */
                if (pOptionData->bOrigMouseVanish != pOptionData->bMouseVanish)
                {
                    SystemParametersInfo(SPI_SETMOUSEVANISH, 0, (PVOID)pOptionData->bMouseVanish, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->bOrigMouseVanish = pOptionData->bMouseVanish;
                }

                /* show pointer with Ctrl-Key */
                if (pOptionData->bOrigMouseSonar != pOptionData->bMouseSonar)
                {
                    SystemParametersInfo(SPI_SETMOUSESONAR, 0, (PVOID)pOptionData->bMouseSonar, SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->bOrigMouseSonar = pOptionData->bMouseSonar;
                }
                return TRUE;
            }
            else if (lppsn->hdr.code == PSN_RESET)
            {
                /* Set the original mouse speed */
                SystemParametersInfo(SPI_SETMOUSESPEED, 0, (PVOID)pOptionData->ulOrigMouseSpeed, 0);
                SystemParametersInfo(SPI_SETMOUSE, 0, &pOptionData->OrigMouseAccel, 0);
                SystemParametersInfo(SPI_SETSNAPTODEFBUTTON, (UINT)pOptionData->bOrigSnapToDefaultButton, 0, 0);
                SystemParametersInfo(SPI_SETMOUSETRAILS, pOptionData->uOrigMouseTrails, 0, 0);
                SystemParametersInfo(SPI_SETMOUSEVANISH, 0, (PVOID)pOptionData->bOrigMouseVanish, 0);
                SystemParametersInfo(SPI_SETMOUSESONAR, 0, (PVOID)pOptionData->bOrigMouseSonar, 0);
            }
            break;

        case WM_HSCROLL:
            if ((HWND)lParam == GetDlgItem(hwndDlg, IDC_SLIDER_MOUSE_SPEED))
            {
                switch (LOWORD(wParam))
                {
                    case TB_LINEUP:
                    case TB_LINEDOWN:
                    case TB_PAGEUP:
                    case TB_PAGEDOWN:
                    case TB_TOP:
                    case TB_BOTTOM:
                    case TB_ENDTRACK:
                        pOptionData->ulMouseSpeed = (ULONG)SendDlgItemMessage(hwndDlg, IDC_SLIDER_MOUSE_SPEED, TBM_GETPOS, 0, 0) + 1;
                        SystemParametersInfo(SPI_SETMOUSESPEED, 0, (PVOID)pOptionData->ulMouseSpeed, SPIF_SENDCHANGE);
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                        break;
#if 0
                    case TB_THUMBTRACK:
                        pOptionData->ulMouseSpeed = (ULONG)HIWORD(wParam) + 1;
                        SystemParametersInfo(SPI_SETMOUSESPEED, 0, (PVOID)pOptionData->ulMouseSpeed, SPIF_SENDCHANGE);
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                        break;
#endif
                }
            }
            else if ((HWND)lParam == GetDlgItem(hwndDlg, IDC_SLIDER_POINTER_TRAIL))
            {
                switch (LOWORD(wParam))
                {
                    case TB_LINEUP:
                    case TB_LINEDOWN:
                    case TB_PAGEUP:
                    case TB_PAGEDOWN:
                    case TB_TOP:
                    case TB_BOTTOM:
                    case TB_ENDTRACK:
                        pOptionData->uMouseTrails = (ULONG)SendDlgItemMessage(hwndDlg, IDC_SLIDER_POINTER_TRAIL, TBM_GETPOS, 0, 0) + 2;
                        SystemParametersInfo(SPI_SETMOUSETRAILS, pOptionData->uMouseTrails, 0, SPIF_UPDATEINIFILE);
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                        break;

                    case TB_THUMBTRACK:
                        pOptionData->uMouseTrails = (ULONG)HIWORD(wParam) + 2;
                        SystemParametersInfo(SPI_SETMOUSETRAILS, pOptionData->uMouseTrails, 0, SPIF_UPDATEINIFILE);
                        PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                        break;
                }
            }
            break;
    }

    return FALSE;
}


static VOID
ShowDialogWheelControls(HWND hwndDlg, UINT uWheelScrollLines, BOOL bInit)
{
    HWND hDlgCtrl;

    if (uWheelScrollLines != WHEEL_PAGESCROLL)
    {
        hDlgCtrl = GetDlgItem(hwndDlg, IDC_RADIO_WHEEL_SCROLL_LINES);
        SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);

        hDlgCtrl = GetDlgItem(hwndDlg, IDC_EDIT_WHEEL_SCROLL_LINES);
        EnableWindow(hDlgCtrl, TRUE);

        hDlgCtrl = GetDlgItem(hwndDlg, IDC_UPDOWN_WHEEL_SCROLL_LINES);
        EnableWindow(hDlgCtrl, TRUE);

        hDlgCtrl = GetDlgItem(hwndDlg, IDC_RADIO_WHEEL_SCROLL_PAGE);
        SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);
    }
    else
    {
        hDlgCtrl = GetDlgItem(hwndDlg, IDC_RADIO_WHEEL_SCROLL_LINES);
        SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_UNCHECKED, (LPARAM)0);

        hDlgCtrl = GetDlgItem(hwndDlg, IDC_EDIT_WHEEL_SCROLL_LINES);
        EnableWindow(hDlgCtrl, FALSE);

        hDlgCtrl = GetDlgItem(hwndDlg, IDC_UPDOWN_WHEEL_SCROLL_LINES);
        EnableWindow(hDlgCtrl, FALSE);

        hDlgCtrl = GetDlgItem(hwndDlg, IDC_RADIO_WHEEL_SCROLL_PAGE);
        SendMessage(hDlgCtrl, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);

        /* Set the default scroll lines value */
        if (bInit == TRUE)
            SetDlgItemInt(hwndDlg, IDC_EDIT_WHEEL_SCROLL_LINES, DEFAULT_WHEEL_SCROLL_LINES, FALSE);
    }
}


static INT_PTR CALLBACK
WheelProc(IN HWND hwndDlg,
          IN UINT uMsg,
          IN WPARAM wParam,
          IN LPARAM lParam)
{
    LPPSHNOTIFY lppsn;
    PWHEEL_DATA pWheelData;

    pWheelData = (PWHEEL_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);

    switch (uMsg)
    {
        case WM_INITDIALOG:
            pWheelData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WHEEL_DATA));
            SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pWheelData);

            /* Get wheel scroll lines */
            if (!SystemParametersInfo(SPI_GETWHEELSCROLLLINES, 0, &pWheelData->uWheelScrollLines, 0))
            {
                pWheelData->uWheelScrollLines = DEFAULT_WHEEL_SCROLL_LINES;
            }

            ShowDialogWheelControls(hwndDlg, pWheelData->uWheelScrollLines, TRUE);
            SendDlgItemMessage(hwndDlg, IDC_UPDOWN_WHEEL_SCROLL_LINES, UDM_SETRANGE, 0, MAKELONG((short)100, (short)0));
            if (pWheelData->uWheelScrollLines != WHEEL_PAGESCROLL)
            {
                SetDlgItemInt(hwndDlg, IDC_EDIT_WHEEL_SCROLL_LINES, pWheelData->uWheelScrollLines, FALSE);
            }
            return TRUE;

        case WM_DESTROY:
            HeapFree(GetProcessHeap(), 0, pWheelData);
            break;

        case WM_COMMAND:
            switch (LOWORD(wParam))
            {
                case IDC_RADIO_WHEEL_SCROLL_LINES:
                    pWheelData->uWheelScrollLines = GetDlgItemInt(hwndDlg, IDC_EDIT_WHEEL_SCROLL_LINES, NULL, FALSE);
                    ShowDialogWheelControls(hwndDlg, pWheelData->uWheelScrollLines, FALSE);
                    PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
                    break;

                case IDC_RADIO_WHEEL_SCROLL_PAGE: