static INT_PTR CALLBACK OptionProc	(	IN HWND	hwndDlg,
		IN UINT	uMsg,
		IN WPARAM	wParam,
		IN LPARAM	lParam
	)		`[static]`
Definition at line 1367 of file mouse.c.
{
    POPTION_DATA pOptionData;
    HWND hDlgCtrl;
    LPPSHNOTIFY lppsn;

    pOptionData = (POPTION_DATA)GetWindowLongPtr(hwndDlg, DWLP_USER);

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

            /* Get mouse sensitivity */
            if (!SystemParametersInfo(SPI_GETMOUSESPEED, 0, &pOptionData->ulMouseSpeed, 0))
                pOptionData->ulMouseSpeed = DEFAULT_MOUSE_SPEED;
            pOptionData->ulOrigMouseSpeed = pOptionData->ulMouseSpeed;


            if (!SystemParametersInfo(SPI_GETMOUSE, 0, &pOptionData->MouseAccel, 0))
            {
                pOptionData->MouseAccel.nAcceleration = DEFAULT_MOUSE_ACCELERATION;
                pOptionData->MouseAccel.nThreshold1 = DEFAULT_MOUSE_THRESHOLD1;
                pOptionData->MouseAccel.nThreshold2 = DEFAULT_MOUSE_THRESHOLD2;
            }
            pOptionData->OrigMouseAccel.nAcceleration = pOptionData->MouseAccel.nAcceleration;
            pOptionData->OrigMouseAccel.nThreshold1 = pOptionData->MouseAccel.nThreshold1;
            pOptionData->OrigMouseAccel.nThreshold2 = pOptionData->MouseAccel.nThreshold2;

            /* Snap to default button */
            SystemParametersInfo(SPI_GETSNAPTODEFBUTTON, 0, &pOptionData->bSnapToDefaultButton, 0);
            pOptionData->bOrigSnapToDefaultButton = pOptionData->bSnapToDefaultButton;

            /* Mouse trails */
            SystemParametersInfo(SPI_GETMOUSETRAILS, 0, &pOptionData->uMouseTrails, 0);
            pOptionData->uOrigMouseTrails = pOptionData->uMouseTrails;

            /* Hide pointer while typing */
            SystemParametersInfo(SPI_GETMOUSEVANISH, 0, &pOptionData->bMouseVanish, 0);
            pOptionData->bOrigMouseVanish = pOptionData->bMouseVanish;

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

            /* Set mouse speed */
            hDlgCtrl = GetDlgItem(hwndDlg, IDC_SLIDER_MOUSE_SPEED);
            SendMessage(hDlgCtrl, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(1, 20));
            SendMessage(hDlgCtrl, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pOptionData->ulMouseSpeed);

            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, IntToPtr(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, IntToPtr(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, IntToPtr(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, IntToPtr(pOptionData->bMouseVanish), SPIF_SENDCHANGE | SPIF_UPDATEINIFILE);
                    pOptionData->bOrigMouseVanish = pOptionData->bMouseVanish;
                }

                /* Show pointer with Ctrl-Key */
                if (pOptionData->bOrigMouseSonar != pOptionData->bMouseSonar)
                {
                    SystemParametersInfo(SPI_SETMOUSESONAR, 0, IntToPtr(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, IntToPtr(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, IntToPtr(pOptionData->bOrigMouseVanish), 0);
                SystemParametersInfo(SPI_SETMOUSESONAR, 0,IntToPtr(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);
                        SystemParametersInfo(SPI_SETMOUSESPEED, 0, IntToPtr(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;
}
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