edit.c

来自「一个类似windows」· C语言 代码 · 共 1,074 行 · 第 1/3 页

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123
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)"a");
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(1 == len, "wrong text length, expected 1, got %d\n", len);
    test_notify(1, 0, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(1, 0, 1);

    SendMessageA(hWnd, EM_SETLIMITTEXT, 5, 0);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(5 == len, "text should have been truncated to limit, expected 5, got %d\n", len);
    test_notify(1, 1, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(1, 0, 1);

    DestroyWindow(hWnd);

    trace("EDIT: Single line, ES_AUTOHSCROLL\n");
    hWnd = CreateWindowExA(0,
              "EDIT",
              NULL,
              ES_AUTOHSCROLL,
              10, 10, 50, 50,
              hParent, NULL, NULL, NULL);
    assert(hWnd);

    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(1, 0, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(1, 0, 1);

    SendMessageA(hWnd, EM_SETLIMITTEXT, 5, 0);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(5 == len, "text should have been truncated to limit, expected 5, got %d\n", len);
    test_notify(1, 1, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(1, 0, 1);

    DestroyWindow(hWnd);

    trace("EDIT: Multline, no ES_AUTOHSCROLL, no ES_AUTOVSCROLL\n");
    hWnd = CreateWindowExA(0,
              "EDIT",
              NULL,
              ES_MULTILINE,
              10, 10, 50, 50,
              hParent, NULL, NULL, NULL);
    assert(hWnd);

    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(0 == len, "text should have been truncated, expected 0, got %d\n", len);
    test_notify(1, 1, 1);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)"a");
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(1 == SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0), "wrong text length, expected 1, got %d\n", len);
    test_notify(1, 0, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(0, 0, 0);

    SendMessageA(hWnd, EM_SETLIMITTEXT, 5, 0);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(5 == len, "text should have been truncated to limit, expected 5, got %d\n", len);
    test_notify(1, 1, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    test_notify(0, 0, 0);

    DestroyWindow(hWnd);

    trace("EDIT: Multline, ES_AUTOHSCROLL, no ES_AUTOVSCROLL\n");
    hWnd = CreateWindowExA(0,
              "EDIT",
              NULL,
              ES_MULTILINE | ES_AUTOHSCROLL,
              10, 10, 50, 50,
              hParent, NULL, NULL, NULL);
    assert(hWnd);

    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(0 == len, "text should have been truncated, expected 0, got %d\n", len);
    test_notify(1, 1, 1);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)"a");
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(1 == SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0), "wrong text length, expected 1, got %d\n", len);
    test_notify(1, 0, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str2) == len, "text shouldn't have been truncated\n");
    test_notify(0, 0, 0);

    SendMessageA(hWnd, EM_SETLIMITTEXT, 5, 0);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(5 == len, "text should have been truncated to limit, expected 5, got %d\n", len);
    test_notify(1, 1, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str2) == len, "text shouldn't have been truncated\n");
    test_notify(0, 0, 0);

    DestroyWindow(hWnd);

    trace("EDIT: Multline, ES_AUTOHSCROLL and ES_AUTOVSCROLL\n");
    hWnd = CreateWindowExA(0,
              "EDIT",
              NULL,
              ES_MULTILINE | ES_AUTOHSCROLL | ES_AUTOVSCROLL,
              10, 10, 50, 50,
              hParent, NULL, NULL, NULL);
    assert(hWnd);

    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str2) == len, "text shouldn't have been truncated\n");
    test_notify(1, 0, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str2) == len, "text shouldn't have been truncated\n");
    test_notify(0, 0, 0);

    SendMessageA(hWnd, EM_SETLIMITTEXT, 5, 0);

    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)"");
    zero_notify();
    SendMessageA(hWnd, EM_REPLACESEL, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(5 == len, "text should have been truncated to limit, expected 5, got %d\n", len);
    test_notify(1, 1, 1);

    zero_notify();
    SendMessageA(hWnd, WM_SETTEXT, 0, (LPARAM)str2);
    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str2) == len, "text shouldn't have been truncated\n");
    test_notify(0, 0, 0);

    DestroyWindow(hWnd);
}

/* Test EM_CHARFROMPOS and EM_POSFROMCHAR
 */
static void test_edit_control_4(void)
{
    HWND hwEdit;
    int lo, hi, mid;
    int ret;
    int i;

    trace("EDIT: Test EM_CHARFROMPOS and EM_POSFROMCHAR\n");
    hwEdit = create_editcontrol(ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
    SendMessage(hwEdit, WM_SETTEXT, 0, (LPARAM) "aa");
    lo = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 0, 0));
    hi = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 1, 0));
    mid = lo + (hi - lo) / 2;

    for (i = lo; i < mid; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(0 == ret, "expected 0 got %d\n", ret);
    }
    for (i = mid; i <= hi; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(1 == ret, "expected 1 got %d\n", ret);
    }
    ret = SendMessage(hwEdit, EM_POSFROMCHAR, 2, 0);
    ok(-1 == ret, "expected -1 got %d\n", ret);
    DestroyWindow(hwEdit);

    hwEdit = create_editcontrol(ES_RIGHT | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
    SendMessage(hwEdit, WM_SETTEXT, 0, (LPARAM) "aa");
    lo = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 0, 0));
    hi = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 1, 0));
    mid = lo + (hi - lo) / 2;

    for (i = lo; i < mid; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(0 == ret, "expected 0 got %d\n", ret);
    }
    for (i = mid; i <= hi; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(1 == ret, "expected 1 got %d\n", ret);
    }
    ret = SendMessage(hwEdit, EM_POSFROMCHAR, 2, 0);
    ok(-1 == ret, "expected -1 got %d\n", ret);
    DestroyWindow(hwEdit);

    hwEdit = create_editcontrol(ES_CENTER | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
    SendMessage(hwEdit, WM_SETTEXT, 0, (LPARAM) "aa");
    lo = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 0, 0));
    hi = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 1, 0));
    mid = lo + (hi - lo) / 2;

    for (i = lo; i < mid; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(0 == ret, "expected 0 got %d\n", ret);
    }
    for (i = mid; i <= hi; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(1 == ret, "expected 1 got %d\n", ret);
    }
    ret = SendMessage(hwEdit, EM_POSFROMCHAR, 2, 0);
    ok(-1 == ret, "expected -1 got %d\n", ret);
    DestroyWindow(hwEdit);

    hwEdit = create_editcontrol(ES_MULTILINE | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
    SendMessage(hwEdit, WM_SETTEXT, 0, (LPARAM) "aa");
    lo = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 0, 0));
    hi = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 1, 0));
    mid = lo + (hi - lo) / 2 +1;

    for (i = lo; i < mid; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(0 == ret, "expected 0 got %d\n", ret);
    }
    for (i = mid; i <= hi; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(1 == ret, "expected 1 got %d\n", ret);
    }
    ret = SendMessage(hwEdit, EM_POSFROMCHAR, 2, 0);
    ok(-1 == ret, "expected -1 got %d\n", ret);
    DestroyWindow(hwEdit);

    hwEdit = create_editcontrol(ES_MULTILINE | ES_RIGHT | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
    SendMessage(hwEdit, WM_SETTEXT, 0, (LPARAM) "aa");
    lo = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 0, 0));
    hi = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 1, 0));
    mid = lo + (hi - lo) / 2 +1;

    for (i = lo; i < mid; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(0 == ret, "expected 0 got %d\n", ret);
    }
    for (i = mid; i <= hi; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(1 == ret, "expected 1 got %d\n", ret);
    }
    ret = SendMessage(hwEdit, EM_POSFROMCHAR, 2, 0);
    ok(-1 == ret, "expected -1 got %d\n", ret);
    DestroyWindow(hwEdit);

    hwEdit = create_editcontrol(ES_MULTILINE | ES_CENTER | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
    SendMessage(hwEdit, WM_SETTEXT, 0, (LPARAM) "aa");
    lo = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 0, 0));
    hi = LOWORD(SendMessage(hwEdit, EM_POSFROMCHAR, 1, 0));
    mid = lo + (hi - lo) / 2 +1;

    for (i = lo; i < mid; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(0 == ret, "expected 0 got %d\n", ret);
    }
    for (i = mid; i <= hi; i++) {
       ret = LOWORD(SendMessage(hwEdit, EM_CHARFROMPOS, 0, (LPARAM) i));
       ok(1 == ret, "expected 1 got %d\n", ret);
    }
    ret = SendMessage(hwEdit, EM_POSFROMCHAR, 2, 0);
    ok(-1 == ret, "expected -1 got %d\n", ret);
    DestroyWindow(hwEdit);
}

/* Test if creating edit control without ES_AUTOHSCROLL and ES_AUTOVSCROLL
 * truncates text that doesn't fit.
 */
static void test_edit_control_5(void)
{
    static const char *str = "test\r\ntest";
    HWND hWnd;
    int len;

    hWnd = CreateWindowEx(0,
              "EDIT",
              str,
              0,
              10, 10, 1, 1,
              NULL, NULL, NULL, NULL);
    assert(hWnd);

    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    DestroyWindow(hWnd);

    hWnd = CreateWindowEx(0,
              "EDIT",
              str,
              ES_MULTILINE,
              10, 10, 1, 1,
              NULL, NULL, NULL, NULL);
    assert(hWnd);

    len = SendMessageA(hWnd, WM_GETTEXTLENGTH, 0, 0);
    ok(lstrlenA(str) == len, "text shouldn't have been truncated\n");
    DestroyWindow(hWnd);
}

static void test_margins(void)
{
    HWND hwEdit;
    RECT old_rect, new_rect;
    INT old_left_margin, old_right_margin;
    DWORD old_margins, new_margins;

    hwEdit = create_editcontrol(WS_BORDER | ES_AUTOHSCROLL | ES_AUTOVSCROLL, 0);
123

edit.c - 源码说明

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