C++ WindowStyle::control_parent方法代码示例

/**
 * This function returns a WndForm created either from the ressources or
 * from the XML file in XCSoarData(if found)
 * @param LookUpTable The CallBackTable
 * @param FileName The XML filename to search for in XCSoarData
 * @param Parent The parent window (e.g. XCSoarInterface::main_window)
 * @param resource The resource to look for
 * @return The WndForm object
 */
WndForm *
LoadDialog(CallBackTableEntry *LookUpTable, SingleWindow &Parent,
               const TCHAR* resource)
{
  WndForm *form = NULL;

  // Find XML file or resource and load XML data out of it
  XMLNode node = xmlOpenResourceHelper(resource);

  // TODO code: put in error checking here and get rid of exits in xmlParser
  // If XML error occurred -> Error messagebox + cancel
  if (node.isEmpty()) {
    ShowXMLError();
    return NULL;
  }

  // If the main XMLNode is of type "Form"
  if (_tcsicmp(node.getName(), _T("Form")) != 0)
    // Get the first child node of the type "Form"
    // and save it as the dialog node
    node = node.getChildNode(_T("Form"));

  // If Node does not exists -> Error messagebox + cancel
  if (node.isEmpty()) {
    ShowXMLError();
    return NULL;
  }

  // Determine the dialog style of the dialog
  DialogStyle dialog_style = GetDialogStyle(node);

  // Determine the dialog size
  const TCHAR* Caption = GetCaption(node);
  const RECT rc = Parent.get_client_rect();
  ControlPosition pos = GetPosition(node, rc);
  ControlSize size = GetSize(node, rc, pos);

  InitScaleWidth(size, rc, dialog_style);

  // Correct dialog size and position for dialog style
  switch (dialog_style) {
  case dsFullWidth:
    pos.x = rc.left;
    pos.y = rc.top;
    size.cx = rc.right - rc.left; // stretch form to full width of screen
    size.cy = rc.bottom - rc.top;
    break;
  case dsScaledCentered:
    pos = SetPositionCentered(pos, rc, size);
    break;

  case dsScaled:
  case dsFixed:
    break;
  }

  // Create the dialog
  WindowStyle style;
  style.hide();
  style.control_parent();

  form = new WndForm(Parent, pos.x, pos.y, size.cx, size.cy, Caption, style);

  // Set fore- and background colors
  Color color;
  if (StringToColor(node.getAttribute(_T("BackColor")), color))
    form->SetBackColor(color);

  // Load the children controls
  LoadChildrenFromXML(*form, form->GetClientAreaWindow(), form->GetBackColor(),
                      LookUpTable, &node, dialog_style);

  // If XML error occurred -> Error messagebox + cancel
  if (XMLNode::GlobalError) {
    ShowXMLError();
    delete form;
    return NULL;
  }

  // Return the created form
  return form;
}

/**
 * Creates a control from the given XMLNode as a child of the given
 * parent.
 *
 * @param form the WndForm object
 * @param LookUpTable The parent CallBackTable
 * @param node The XMLNode that represents the control
 * @param eDialogStyle The parent's dialog style
 */
static Window *
LoadChild(WndForm &form, ContainerWindow &parent, Color background_color,
          CallBackTableEntry *LookUpTable,
          XMLNode node, const DialogStyle eDialogStyle,
          int bottom_most=0)
{
  Window *window = NULL;

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

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

  WindowStyle style;

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

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

  bool advanced = _tcschr(Caption, _T('*')) != NULL;

  // PropertyControl (WndProperty)
  if (_tcscmp(node.getName(), _T("Edit")) == 0) {
    WndProperty *W;
    int CaptionWidth;
    bool ReadOnly;
    bool MultiLine;

    // Determine the width of the caption field
    CaptionWidth = StringToIntDflt(node.getAttribute(_T("CaptionWidth")), 0);

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

    CaptionWidth = ScaleWidth(CaptionWidth, eDialogStyle);

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

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

    WindowControl::OnHelpCallback_t OnHelpCallback =
      (WindowControl::OnHelpCallback_t)
      GetCallBack(LookUpTable, node, _T("OnHelp"));

    // Create the Property Control
    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);
//.........这里部分代码省略.........

bool
dlgConfigInfoboxesShowModal(SingleWindow &parent,
                            const DialogLook &dialog_look,
                            InfoBoxLayout::Geometry geometry,
                            InfoBoxSettings::Panel &data_r,
                            bool allow_name_change)
{
  current_preview = 0;
  data = data_r;

  PixelRect rc = parent.get_client_rect();
  wf = new WndForm(parent, dialog_look, rc.left, rc.top,
                   rc.right - rc.left, rc.bottom - rc.top);

#ifdef _WIN32_WCE
  if (is_altair())
    wf->SetKeyDownNotify(OnKeyDown);
#endif

  ContainerWindow &client_area = wf->GetClientAreaWindow();
  rc = client_area.get_client_rect();

  InflateRect(&rc, Layout::FastScale(-2), Layout::FastScale(-2));
  info_box_layout = InfoBoxLayout::Calculate(rc, geometry);

  WindowStyle preview_style;
  preview_style.enable_double_clicks();
  for (unsigned i = 0; i < info_box_layout.count; ++i) {
    rc = info_box_layout.positions[i];
    previews[i].set(client_area, rc.left, rc.top,
                    rc.right - rc.left, rc.bottom - rc.top,
                    preview_style);
  }

  rc = info_box_layout.remaining;

  WindowStyle style;
  style.control_parent();

  EditWindowStyle edit_style;
  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();

  const int x = rc.left;
  const unsigned width = rc.right - rc.left - Layout::FastScale(2);
  const unsigned height = Layout::Scale(22);
  const unsigned caption_width = Layout::Scale(60);

  int y = rc.top;

  ButtonWindowStyle button_style;
  button_style.tab_stop();

  buttonPanelName =
    new WndButton(client_area, dialog_look, _T(""),
                  x, y, width, height, button_style, OnNameAccess);
  buttonPanelName->set_enabled(allow_name_change);
  UpdatePanelName();

  y += height;

  edit_select = new WndProperty(client_area, dialog_look, _("InfoBox"),
                                x, y, width, height, caption_width,
                                style, edit_style,
                                NULL);

  DataFieldEnum *dfe = new DataFieldEnum(OnSelectAccess);
  for (unsigned i = 0; i < info_box_layout.count; ++i) {
    TCHAR label[32];
    _stprintf(label, _T("%u"), i + 1);
    dfe->addEnumText(label, i);
  }

  edit_select->SetDataField(dfe);

  y += height;

  edit_content = new WndProperty(client_area, dialog_look, _("Content"),
                                 x, y, width, height, caption_width,
                                 style, edit_style,
                                 NULL);

  dfe = new DataFieldEnum(OnContentAccess);
  for (unsigned i = 0; i < InfoBoxFactory::NUM_TYPES; ++i) {
    const TCHAR *name = InfoBoxFactory::GetName(i);
    if (name != NULL)
      dfe->addEnumText(gettext(name), i);
  }

  dfe->Sort(0);

  edit_content->SetDataField(dfe);
  edit_content->SetOnHelpCallback(OnContentHelp);

//.........这里部分代码省略.........