dialog.c

winNT技术操作系统,国外开放的原代码和LIUX一样

        DefDlgProcA( g_hwndTestDlg, WM_NEXTDLGCTL, 0, 0 );
        ok ((GetFocus() == g_hwndTestDlgBut1), "Focus didn't move to first button\n");

        /*
         * Check whether the default button ID got changed by sending message "WM_NEXTDLGCTL"
         */
        dwVal = DefDlgProcA(g_hwndTestDlg, DM_GETDEFID, 0, 0);
        ok ( IDCANCEL == (LOWORD(dwVal)), "WM_NEXTDLGCTL changed default button\n");

        /*
         * Check whether the style of the button which got the focus, changed to BS_DEFPUSHBUTTON and
         * the style of default button changed to BS_PUSHBUTTON.
         */
        if ( IDCANCEL == (LOWORD(dwVal)) )
        {
                ok ( ((GetWindowLong( g_hwndTestDlgBut1, GWL_STYLE)) & BS_DEFPUSHBUTTON),
                        "Button1 style not set to BS_DEFPUSHBUTTON\n" );

                ok ( !((GetWindowLong( g_hwndTestDlgBut2, GWL_STYLE)) & BS_DEFPUSHBUTTON),
                        "Button2's style not chaged to BS_PUSHBUTTON\n" );
        }

        /*
         * Move focus to Button2 using "WM_NEXTDLGCTL"
         */
        DefDlgProcA( g_hwndTestDlg, WM_NEXTDLGCTL, 0, 0 );
        ok ((GetFocus() == g_hwndTestDlgBut2), "Focus didn't move to second button\n");

        /*
         * Check whether the default button ID got changed by sending message "WM_NEXTDLGCTL"
         */
        dwVal = DefDlgProcA(g_hwndTestDlg, DM_GETDEFID, 0, 0);
        ok ( IDCANCEL == (LOWORD(dwVal)), "WM_NEXTDLGCTL changed default button\n");

        /*
         * Check whether the style of the button which got the focus, changed to BS_DEFPUSHBUTTON and
         * the style of button which lost the focus changed to BS_PUSHBUTTON.
         */
        if ( IDCANCEL == (LOWORD(dwVal)) )
        {
                ok ( ((GetWindowLong( g_hwndTestDlgBut2, GWL_STYLE)) & BS_DEFPUSHBUTTON),
                        "Button2 style not set to BS_DEFPUSHBUTTON\n" );

                ok ( !((GetWindowLong( g_hwndTestDlgBut1, GWL_STYLE)) & BS_DEFPUSHBUTTON),
                        "Button1's style not chaged to BS_PUSHBUTTON\n" );
        }

        /*
         * Move focus to Edit control using "WM_NEXTDLGCTL"
         */
        DefDlgProcA( g_hwndTestDlg, WM_NEXTDLGCTL, 0, 0 );
        ok ((GetFocus() == g_hwndTestDlgEdit), "Focus didn't move to Edit control\n");

        /*
         * Check whether the default button ID got changed by sending message "WM_NEXTDLGCTL"
         */
        dwVal = DefDlgProcA(g_hwndTestDlg, DM_GETDEFID, 0, 0);
        ok ( IDCANCEL == (LOWORD(dwVal)), "WM_NEXTDLGCTL changed default button\n");
    }
    DestroyWindow(g_hwndTestDlg);
}

static void IsDialogMessageWTest (void)
{
    MSG msg;

    g_hwndMain = CreateWindow ("IsDialogMessageWindowClass", "IsDialogMessageWindowClass",
            WS_OVERLAPPEDWINDOW,
            CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
            NULL, NULL, g_hinst, 0);

    assert (g_hwndMain);
    assert (g_hwndButton1);
    assert (g_hwndButtonCancel);

    /* The focus should initially be nowhere.  The first TAB should take it
     * to the first button.  The second TAB should take it to the Cancel
     * button.
     */
    FormTabMsg (&msg, g_hwndMain);
    ok (IsDialogMessage (g_hwndMain, &msg), "Did not handle first TAB\n");
    ok ((GetFocus() == g_hwndButton1), "Focus did not move to first button\n");
    FormTabMsg (&msg, g_hwndButton1);
    ok (IsDialogMessage (g_hwndMain, &msg), "Did not handle second TAB\n");
    ok ((GetFocus() == g_hwndButtonCancel),
            "Focus did not move to cancel button\n");
    FormEnterMsg (&msg, g_hwndButtonCancel);
    ok (IsDialogMessage (g_hwndMain, &msg), "Did not handle the ENTER\n");
    ok (g_terminated, "ENTER did not terminate\n");
}


static LRESULT CALLBACK delayFocusDlgWinProc (HWND hDlg, UINT uiMsg, WPARAM wParam,
        LPARAM lParam)
{
    switch (uiMsg)
    {
    case WM_INITDIALOG:
        g_hwndMain = hDlg;
       g_hwndInitialFocusGroupBox = GetDlgItem(hDlg,100);
       g_hwndButton1 = GetDlgItem(hDlg,200);
       g_hwndButton2 = GetDlgItem(hDlg,201);
       g_hwndButtonCancel = GetDlgItem(hDlg,IDCANCEL);
       g_styleInitialFocusT1 = GetWindowLong(g_hwndInitialFocusGroupBox, GWL_STYLE);

       /* Initially check the second radio button */
       SendMessage(g_hwndButton1, BM_SETCHECK, BST_UNCHECKED, 0);
       SendMessage(g_hwndButton2, BM_SETCHECK, BST_CHECKED  , 0);
       /* Continue testing after dialog initialization */
       PostMessage(hDlg, WM_USER, 0, 0);
       return g_bInitialFocusInitDlgResult;

    case WM_COMMAND:
        if (LOWORD(wParam) == IDCANCEL)
       {
           EndDialog(hDlg, LOWORD(wParam));
           return TRUE;
       }
       return FALSE;

    case WM_USER:
       g_styleInitialFocusT2 = GetWindowLong(hDlg, GWL_STYLE);
        g_hwndInitialFocusT1 = GetFocus();
       SetFocus(hDlg);
        g_hwndInitialFocusT2 = GetFocus();
       PostMessage(hDlg, WM_COMMAND, IDCANCEL, 0);
       return TRUE;
    }

    return FALSE;
}

static LRESULT CALLBACK focusDlgWinProc (HWND hDlg, UINT uiMsg, WPARAM wParam,
        LPARAM lParam)
{
    switch (uiMsg)
    {
    case WM_INITDIALOG:
       return TRUE;

    case WM_COMMAND:
       if (LOWORD(wParam) == IDCANCEL)
       {
           EndDialog(hDlg, LOWORD(wParam));
           return TRUE;
       }
       else if (LOWORD(wParam) == 200)
       {
           if (HIWORD(wParam) == EN_SETFOCUS)
               g_hwndInitialFocusT1 = (HWND)lParam;
       }
       return FALSE;
    }

    return FALSE;
}

/* Helper for InitialFocusTest */
static const char * GetHwndString(HWND hw)
{
  if (hw == NULL)
    return "a null handle";
  if (hw == g_hwndMain)
    return "the dialog handle";
  if (hw == g_hwndInitialFocusGroupBox)
    return "the group box control";
  if (hw == g_hwndButton1)
    return "the first button";
  if (hw == g_hwndButton2)
    return "the second button";
  if (hw == g_hwndButtonCancel)
    return "the cancel button";

  return "unknown handle";
}

static void InitialFocusTest (void)
{
    /* Test 1:
     * This test intentionally returns FALSE in response to WM_INITDIALOG
     * without setting focus to a control. This is not allowed according to
     * MSDN, but it is exactly what MFC's CFormView does.
     *
     * Since the WM_INITDIALOG handler returns FALSE without setting the focus,
     * the focus should initially be NULL. Later, when we manually set focus to
     * the dialog, the default handler should set focus to the first control that
     * is "visible, not disabled, and has the WS_TABSTOP style" (MSDN). Because the
     * second radio button has been checked, it should be the first control
     * that meets these criteria and should receive the focus.
     */

    g_bInitialFocusInitDlgResult = FALSE;
    g_hwndInitialFocusT1 = (HWND) -1;
    g_hwndInitialFocusT2 = (HWND) -1;
    g_styleInitialFocusT1 = -1;
    g_styleInitialFocusT2 = -1;

    DialogBoxA(g_hinst, "RADIO_TEST_DIALOG", NULL, (DLGPROC)delayFocusDlgWinProc);

    ok (((g_styleInitialFocusT1 & WS_TABSTOP) == 0),
       "Error in wrc - Detected WS_TABSTOP as default style for GROUPBOX\n");

    ok (((g_styleInitialFocusT2 & WS_VISIBLE) == 0),
       "Modal dialogs should not be shown until the message queue first goes empty\n");

    ok ((g_hwndInitialFocusT1 == NULL),
        "Error in initial focus when WM_INITDIALOG returned FALSE: "
        "Expected NULL focus, got %s (%p).\n",
        GetHwndString(g_hwndInitialFocusT1), g_hwndInitialFocusT1);

    ok ((g_hwndInitialFocusT2 == g_hwndButton2),
        "Error after first SetFocus() when WM_INITDIALOG returned FALSE: "
        "Expected the second button (%p), got %s (%p).\n",
        g_hwndButton2, GetHwndString(g_hwndInitialFocusT2),
        g_hwndInitialFocusT2);

    /* Test 2:
     * This is the same as above, except WM_INITDIALOG is made to return TRUE.
     * This should cause the focus to go to the second radio button right away
     * and stay there (until the user indicates otherwise).
     */

    g_bInitialFocusInitDlgResult = TRUE;
    g_hwndInitialFocusT1 = (HWND) -1;
    g_hwndInitialFocusT2 = (HWND) -1;
    g_styleInitialFocusT1 = -1;
    g_styleInitialFocusT2 = -1;

    DialogBoxA(g_hinst, "RADIO_TEST_DIALOG", NULL, (DLGPROC)delayFocusDlgWinProc);

    ok ((g_hwndInitialFocusT1 == g_hwndButton2),
       "Error in initial focus when WM_INITDIALOG returned TRUE: "
       "Expected the second button (%p), got %s (%p).\n",
       g_hwndButton2, GetHwndString(g_hwndInitialFocusT2),
       g_hwndInitialFocusT2);

    ok ((g_hwndInitialFocusT2 == g_hwndButton2),
       "Error after first SetFocus() when WM_INITDIALOG returned TRUE: "
       "Expected the second button (%p), got %s (%p).\n",
       g_hwndButton2, GetHwndString(g_hwndInitialFocusT2),
       g_hwndInitialFocusT2);

    /* Test 3:
     * If the dialog has DS_CONTROL and it's not visible then we shouldn't change focus */
    {
        HWND hDlg;
        HRSRC hResource;
        HANDLE hTemplate;
        DLGTEMPLATE* pTemplate;

        hResource = FindResourceA(g_hinst,"FOCUS_TEST_DIALOG", (LPSTR)RT_DIALOG);
        hTemplate = LoadResource(g_hinst, hResource);
        pTemplate = (LPDLGTEMPLATEA)LockResource(hTemplate);

        g_hwndInitialFocusT1 = 0;
        hDlg = CreateDialogIndirectParamW(g_hinst, pTemplate, NULL, (DLGPROC)focusDlgWinProc,0);
        ok (hDlg != 0, "Failed to create test dialog.\n");

        ok ((g_hwndInitialFocusT1 == 0),
            "Focus should not be set for an invisible DS_CONTROL dialog %p.\n", g_hwndInitialFocusT1);

        DestroyWindow(hDlg);
    }
}

static void test_GetDlgItemText(void)
{
    char string[64];
    BOOL ret;

    strcpy(string, "Overwrite Me");
    ret = GetDlgItemTextA(NULL, 0, string, sizeof(string)/sizeof(string[0]));
    ok(!ret, "GetDlgItemText(NULL) shouldn't have succeeded\n");

    ok(string[0] == '\0', "string retrieved using GetDlgItemText should have been NULL terminated\n");
}


START_TEST(dialog)
{
    g_hinst = GetModuleHandleA (0);

    if (!RegisterWindowClasses()) assert(0);

    GetNextDlgItemTest();
    IsDialogMessageWTest();
    WM_NEXTDLGCTLTest();
    InitialFocusTest();
    test_GetDlgItemText();
}