C++ WndProperty::SetHelpText方法代码示例

WndProperty *
RowFormWidget::CreateEdit(const TCHAR *label, const TCHAR *help,
                          bool read_only)
{
  assert(IsDefined());

  const PixelRect edit_rc =
    InitialControlRect(Layout::GetMinimumControlHeight());

  WindowStyle style;
  if (!read_only)
    style.TabStop();

  PanelControl &panel = *(PanelControl *)GetWindow();
  WndProperty *edit =
    new WndProperty(panel, look, label,
                    edit_rc, (*label == '\0') ? 0 : 100,
                    style);
  edit->SetReadOnly(read_only);

  if (help != NULL)
    edit->SetHelpText(help);

  return edit;
}

WndProperty *
RowFormWidget::CreateEdit(const TCHAR *label, const TCHAR *help,
                          bool read_only)
{
  assert(IsDefined());

  const PixelRect edit_rc =
    InitialControlRect(Layout::GetMinimumControlHeight());

  WindowStyle style;
  if (!read_only)
    style.ControlParent();

  EditWindowStyle edit_style;
  edit_style.SetVerticalCenter();

  if (read_only)
    edit_style.SetReadOnly();
  else
    edit_style.TabStop();

  if (IsEmbedded() || Layout::scale_1024 < 2048)
    /* sunken edge doesn't fit well on the tiny screen of an embedded
       device */
    edit_style.Border();
  else
    edit_style.SunkenEdge();

  PanelControl &panel = *(PanelControl *)GetWindow();
  WndProperty *edit =
    new WndProperty(panel, look, label,
                    edit_rc, (*label == '\0') ? 0 : 100,
                    style, edit_style, NULL);
  if (help != NULL)
    edit->SetHelpText(help);

  return edit;
}

//.........这里部分代码省略.........
    style.control_parent();

    EditWindowStyle edit_style;
    if (ReadOnly)
      edit_style.read_only();
    else
      edit_style.tab_stop();

    if (is_embedded() || Layout::scale_1024 < 2048)
      /* sunken edge doesn't fit well on the tiny screen of an
         embedded device */
      edit_style.border();
    else
      edit_style.sunken_edge();

    if (MultiLine) {
      edit_style.multiline();
      edit_style.vscroll();
    }

    window = W = new WndProperty(parent, Caption,
                                 pos.x, pos.y, size.cx, size.cy,
                                 CaptionWidth, background_color,
                                 style, edit_style,
                                 DataNotifyCallback);

    // Set the fore- and background color
    LoadColors(*W, node);

    // Set the help function event callback
    W->SetOnHelpCallback(OnHelpCallback);

    // Load the help text
    W->SetHelpText(StringToStringDflt(node.getAttribute(_T("Help")), _T("")));

    // If the control has (at least) one DataField child control
    if (node.nChildNode(_T("DataField")) > 0){
      // -> Load the first DataField control
      DataField *data_field =
        LoadDataField(node.getChildNode(_T("DataField"), 0),
                      LookUpTable, eDialogStyle);

      if (data_field != NULL)
        // Tell the Property control about the DataField control
        W->SetDataField(data_field);
    }

  // ButtonControl (WndButton)
  } else if (_tcscmp(node.getName(), _T("Button")) == 0) {
    // Determine ClickCallback function
    WndButton::ClickNotifyCallback_t ClickCallback =
      (WndButton::ClickNotifyCallback_t)
      GetCallBack(LookUpTable, node, _T("OnClick"));

    // Create the ButtonControl

    ButtonWindowStyle bstyle(style);
    bstyle.tab_stop();
    bstyle.multiline();

    window = new WndButton(parent, Caption,
                           pos.x, pos.y, size.cx, size.cy,
                           bstyle, ClickCallback);

  } else if (_tcscmp(node.getName(), _T("CheckBox")) == 0) {
    // Determine ClickCallback function

/**
 * Creates a control from the given XMLNode as a child of the given
 * parent.
 *
 * @param form the SubForm object
 * @param LookUpTable The parent CallBackTable
 * @param node The XMLNode that represents the control
 */
static Window *
LoadChild(SubForm &form, ContainerWindow &parent,
          const CallBackTableEntry *lookup_table, XMLNode node,
          int bottom_most,
          WindowStyle style)
{
  Window *window = NULL;

  // Determine name, coordinates, width, height
  // and caption of the control
  const TCHAR* name = GetName(node);
  const TCHAR* caption = GetCaption(node);
  PixelRect rc = parent.get_client_rect();
  ControlPosition pos = GetPosition(node, rc, bottom_most);
  if (!pos.no_scaling)
    pos.x = ScaleWidth(pos.x);

  ControlSize size = GetSize(node, rc, pos);
  if (!size.no_scaling)
    size.cx = ScaleWidth(size.cx);

  if (!StringToIntDflt(node.getAttribute(_T("Visible")), 1))
    style.Hide();

  if (StringToIntDflt(node.getAttribute(_T("Border")), 0))
    style.Border();

  rc.left = pos.x;
  rc.top = pos.y;
  rc.right = rc.left + size.cx;
  rc.bottom = rc.top + size.cy;

  bool expert = (StringToIntDflt(node.getAttribute(_T("Expert")), 0) == 1);

  // PropertyControl (WndProperty)
  if (StringIsEqual(node.getName(), _T("Edit"))) {
    // Determine the width of the caption field
    int caption_width = StringToIntDflt(node.getAttribute(_T("CaptionWidth")), 0);

    if (Layout::ScaleSupported())
      caption_width = Layout::Scale(caption_width);

    caption_width = ScaleWidth(caption_width);

    // Determine whether the control is multiline or readonly
    bool multi_line = StringToIntDflt(node.getAttribute(_T("MultiLine")), 0);
    bool read_only = StringToIntDflt(node.getAttribute(_T("ReadOnly")), 0);

    // Load the event callback properties
    WndProperty::DataChangeCallback_t data_notify_callback =
      (WndProperty::DataChangeCallback_t)
      GetCallBack(lookup_table, node, _T("OnDataNotify"));

    WindowControl::HelpCallback help_callback =
      (WindowControl::HelpCallback)
      GetCallBack(lookup_table, node, _T("OnHelp"));

    // Create the Property Control
    style.ControlParent();

    EditWindowStyle edit_style;
    edit_style.vertical_center();
    if (read_only)
      edit_style.read_only();
    else
      edit_style.TabStop();

    if (IsEmbedded() || Layout::scale_1024 < 2048)
      /* sunken edge doesn't fit well on the tiny screen of an
         embedded device */
      edit_style.Border();
    else
      edit_style.SunkenEdge();

    if (multi_line) {
      edit_style.multiline();
      edit_style.VerticalScroll();
    }

    WndProperty *property;
    window = property = new WndProperty(parent, *xml_dialog_look, caption, rc,
                                        caption_width, style, edit_style,
                                        data_notify_callback);

    // Set the help function event callback
    property->SetOnHelpCallback(help_callback);

    // Load the help text
    property->SetHelpText(StringToStringDflt(node.getAttribute(_T("Help")),
                                             NULL));

    // If the control has (at least) one DataField child control
//.........这里部分代码省略.........