INT_PTR CALLBACK __jvmProperty()

in src/native/windows/apps/prunmgr/prunmgr.c [1129:1268]
136 lines of code
32 McCabe index (conditional complexity)

INT_PTR CALLBACK __jvmProperty(HWND hDlg,
                               UINT uMessage,
                               WPARAM wParam,
                               LPARAM lParam)
{
    LPPSHNOTIFY lpShn;
    LPWSTR      lpBuf, b;
    DWORD       v;
    CHAR        bn[32];

    switch (uMessage) {
        case WM_INITDIALOG:
            {
                startPage = 3;
                if (!bpropCentered)
                    apxCenterWindow(GetParent(hDlg), NULL);
                bpropCentered = TRUE;
                if ((lpBuf = apxRegistryGetStringW(hRegserv, APXREG_PARAMSOFTWARE,
                                               _s_java, L"Jvm")) != NULL) {
                    if (!lstrcmpiW(lpBuf, L"auto")) {
                        CheckDlgButton(hDlg, IDC_PPJAUTO, BST_CHECKED);
                        apxFree(lpBuf);
                        lpBuf = apxGetJavaSoftRuntimeLib(hPool);
                        EnableWindow(GetDlgItem(hDlg, IDC_PPJJVM), FALSE);
                        EnableWindow(GetDlgItem(hDlg, IDC_PPJBJVM), FALSE);
                    }
                    if (lpBuf) {
                        SetDlgItemTextW(hDlg, IDC_PPJJVM, lpBuf);
                        apxFree(lpBuf);
                    }
                }
                if ((lpBuf = apxRegistryGetStringW(hRegserv, APXREG_PARAMSOFTWARE,
                                               _s_java, L"Classpath")) != NULL) {
                    SetDlgItemTextW(hDlg, IDC_PPJCLASSPATH, lpBuf);
                    apxFree(lpBuf);
                }
                if ((lpBuf = apxRegistryGetMzStrW(hRegserv, APXREG_PARAMSOFTWARE,
                                               _s_java, L"Options", NULL, NULL)) != NULL) {
                    LPWSTR p = apxMszToCRLFW(hPool, lpBuf);
                    SetDlgItemTextW(hDlg, IDC_PPJOPTIONS, p);
                    apxFree(lpBuf);
                    apxFree(p);
                }
                if ((lpBuf = apxRegistryGetMzStrW(hRegserv, APXREG_PARAMSOFTWARE,
                                               _s_java, L"Options9", NULL, NULL)) != NULL) {
                    LPWSTR p = apxMszToCRLFW(hPool, lpBuf);
                    SetDlgItemTextW(hDlg, IDC_PPJOPTIONS9, p);
                    apxFree(lpBuf);
                    apxFree(p);
                }
                v = apxRegistryGetNumberW(hRegserv, APXREG_PARAMSOFTWARE,
                                          _s_java, L"JvmMs");
                if (v && v != 0xFFFFFFFF) {
                    wsprintfA(bn, "%d", v);
                    SetDlgItemTextA(hDlg, IDC_PPJMS, bn);
                }
                v = apxRegistryGetNumberW(hRegserv, APXREG_PARAMSOFTWARE,
                                          _s_java, L"JvmMx");
                if (v && v != 0xFFFFFFFF) {
                    wsprintfA(bn, "%d", v);
                    SetDlgItemTextA(hDlg, IDC_PPJMX, bn);
                }
                v = apxRegistryGetNumberW(hRegserv, APXREG_PARAMSOFTWARE,
                                          _s_java, L"JvmSs");
                if (v && v != 0xFFFFFFFF) {
                    wsprintfA(bn, "%d", v);
                    SetDlgItemTextA(hDlg, IDC_PPJSS, bn);
                }

            }
        break;
        case WM_COMMAND:
            switch (LOWORD(wParam)) {
                case IDC_PPJBJVM:
                    b = apxGetJavaSoftHome(hPool, TRUE);
                    lpBuf = apxGetFileNameW(hDlg, apxLoadResourceW(IDS_PPJBJVM, 0),
                                            apxLoadResourceW(IDS_DLLFILES, 1), NULL,
                                            b,
                                            TRUE, NULL);
                    apxFree(b);
                    if (lpBuf) {
                        SetDlgItemTextW(hDlg, IDC_PPJJVM, lpBuf);
                        apxFree(lpBuf);
                        PropSheet_Changed(GetParent(hDlg), hDlg);
                        SET_BIT_FLAG(_propertyChanged, 4);
                    }
                break;
                case IDC_PPJAUTO:
                    PropSheet_Changed(GetParent(hDlg), hDlg);
                    SET_BIT_FLAG(_propertyChanged, 4);
                    if (IsDlgButtonChecked(hDlg, IDC_PPJAUTO)) {
                        EnableWindow(GetDlgItem(hDlg, IDC_PPJJVM), FALSE);
                        EnableWindow(GetDlgItem(hDlg, IDC_PPJBJVM), FALSE);
                        lpBuf = apxGetJavaSoftRuntimeLib(hPool);
                        if (lpBuf) {
                            SetDlgItemTextW(hDlg, IDC_PPJJVM, lpBuf);
                            apxFree(lpBuf);
                        }
                    }
                    else {
                        EnableWindow(GetDlgItem(hDlg, IDC_PPJJVM), TRUE);
                        EnableWindow(GetDlgItem(hDlg, IDC_PPJBJVM), TRUE);
                    }
                break;
                case IDC_PPJJVM:
                case IDC_PPJCLASSPATH:
                case IDC_PPJOPTIONS:
                case IDC_PPJOPTIONS9:
				case IDC_PPJMX:
                case IDC_PPJMS:
                case IDC_PPJSS:
                    if (HIWORD(wParam) == EN_CHANGE) {
                        PropSheet_Changed(GetParent(hDlg), hDlg);
                        SET_BIT_FLAG(_propertyChanged, 4);
                    }
                break;
            }
        break;
        case WM_NOTIFY:
            lpShn = (LPPSHNOTIFY )lParam;
            switch (lpShn->hdr.code) {
                case PSN_APPLY:   /* sent when OK or Apply button pressed */
                    if (__generalJvmSave(hDlg))
                        PropSheet_UnChanged(GetParent(hDlg), hDlg);
                    else {
                        SET_BIT_FLAG(_propertyChanged, 4);
                        SetWindowLong(hDlg, DWLP_MSGRESULT,
                                      PSNRET_INVALID_NOCHANGEPAGE);
                        return TRUE;
                    }

                break;
            }
        break;

        default:
        break;
    }
    return FALSE;
}