C++ CGUIControl::FreeResources方法代码示例

void CGUIDialogVisualisationSettings::SetupPage()
{
  // cleanup first, if necessary
  FreeControls();
  m_pOriginalSpin = (CGUISpinControlEx*)GetControl(CONTROL_DEFAULT_SPIN);
  m_pOriginalRadioButton = (CGUIRadioButtonControl *)GetControl(CONTROL_DEFAULT_RADIOBUTTON);
  m_pOriginalSettingsButton = (CGUIButtonControl *)GetControl(CONTROL_DEFAULT_BUTTON);
  if (!m_pOriginalSpin || !m_pOriginalRadioButton || !m_pOriginalSettingsButton)
    return;
  m_pOriginalSpin->SetVisible(false);
  m_pOriginalRadioButton->SetVisible(false);
  m_pOriginalSettingsButton->SetVisible(false);

  // update our settings label
  CStdString strSettings;
  strSettings.Format("%s %s", g_infoManager.GetLabel(402).c_str(), g_localizeStrings.Get(5));
  SET_CONTROL_LABEL(CONTROL_SETTINGS_LABEL, strSettings);

  CGUIControlGroupList *group = (CGUIControlGroupList *)GetControl(CONTROL_GROUP_LIST);
#ifdef PRE_SKIN_VERSION_2_1_COMPATIBILITY
  if (!group || group->GetControlType() != CGUIControl::GUICONTROL_GROUPLIST)
  {
    // our controls for layout...
    CGUIControl *pArea = (CGUIControl *)GetControl(CONTROL_AREA);
    const CGUIControl *pGap = GetControl(CONTROL_GAP);
    if (!pArea || !pGap)
      return;
    Remove(CONTROL_AREA);
    group = new CGUIControlGroupList(GetID(), CONTROL_GROUP_LIST, pArea->GetXPosition(), pArea->GetYPosition(),
                                     pArea->GetWidth(), pArea->GetHeight(), pGap->GetHeight() - m_pOriginalSettingsButton->GetHeight(),
                                     0, VERTICAL, false);
    group->SetNavigation(CONTROL_GROUP_LIST, CONTROL_GROUP_LIST, CONTROL_GROUP_LIST, CONTROL_GROUP_LIST);
    Insert(group, pGap);
    pArea->FreeResources();
    delete pArea;
    SET_CONTROL_HIDDEN(CONTROL_PAGE);
  }
#endif
  if (!group)
    return;

  if (!m_pSettings || !m_pSettings->size())
  { // no settings available
    SET_CONTROL_VISIBLE(CONTROL_NONE_AVAILABLE);
    return;
  }
  else
  {
    SET_CONTROL_HIDDEN(CONTROL_NONE_AVAILABLE);
  }


  // run through and create our controls
  for (unsigned int i = 0; i < m_pSettings->size(); i++)
  {
    VisSetting &setting = m_pSettings->at(i);
    AddSetting(setting, group->GetWidth(), CONTROL_START + i);
  }
  UpdateSettings();
}

void CGUIControlGroup::FreeResources(bool immediately)
{
  CGUIControl::FreeResources(immediately);
  for (iControls it = m_children.begin(); it != m_children.end(); ++it)
  {
    CGUIControl *control = *it;
    control->FreeResources(immediately);
  }
}

void CGUIDialogContextMenu::ClearButtons()
{ // destroy our buttons (if we have them from a previous viewing)
  for (int i = 1; i <= m_iNumButtons; i++)
  {
    // get the button to remove...
    CGUIControl *pControl = (CGUIControl *)GetControl(BUTTON_TEMPLATE + i);
    if (pControl)
    {
      // remove the control from our list
      RemoveControl(pControl);
      // kill the button
      pControl->FreeResources();
      delete pControl;
    }
  }
  m_iNumButtons = 0;
}

void CGUIWindow::ChangeButtonToEdit(int id, bool singleLabel /* = false*/)
{
#ifdef PRE_SKIN_VERSION_9_10_COMPATIBILITY
  CGUIControl *name = (CGUIControl *)GetControl(id);
  if (name && name->GetControlType() == CGUIControl::GUICONTROL_BUTTON)
  { // change it to an edit control
    CGUIEditControl *edit = new CGUIEditControl(*(const CGUIButtonControl *)name);
    if (edit)
    {
      if (singleLabel)
        edit->SetLabel("");
      InsertControl(edit, name);
      RemoveControl(name);
      name->FreeResources();
      delete name;
    }
  }
#endif
}

bool CGUIWindow::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_INIT:
    {
      CLog::Log(LOGDEBUG, "------ Window Init (%s) ------", GetProperty("xmlfile").c_str());
      if (m_dynamicResourceAlloc || !m_bAllocated) AllocResources();
      OnInitWindow();
      return true;
    }
    break;

  case GUI_MSG_WINDOW_DEINIT:
    {
      CLog::Log(LOGDEBUG, "------ Window Deinit (%s) ------", GetProperty("xmlfile").c_str());
      OnDeinitWindow(message.GetParam1());
      // now free the window
      if (m_dynamicResourceAlloc) FreeResources();
      return true;
    }
    break;

  case GUI_MSG_CLICKED:
    {
      // a specific control was clicked
      CLICK_EVENT clickEvent = m_mapClickEvents[ message.GetSenderId() ];

      // determine if there are any handlers for this event
      if (clickEvent.HasAHandler())
      {
        // fire the message to all handlers
        clickEvent.Fire(message);
      }
      break;
    }

  case GUI_MSG_SELCHANGED:
    {
      // a selection within a specific control has changed
      SELECTED_EVENT selectedEvent = m_mapSelectedEvents[ message.GetSenderId() ];

      // determine if there are any handlers for this event
      if (selectedEvent.HasAHandler())
      {
        // fire the message to all handlers
        selectedEvent.Fire(message);
      }
      break;
    }
  case GUI_MSG_FOCUSED:
    { // a control has been focused
      if (HasID(message.GetSenderId()))
      {
        m_focusedControl = message.GetControlId();
        return true;
      }
      break;
    }
  case GUI_MSG_LOSTFOCUS:
    {
      // nothing to do at the window level when we lose focus
      return true;
    }
  case GUI_MSG_MOVE:
    {
      if (HasID(message.GetSenderId()))
        return OnMove(message.GetControlId(), message.GetParam1());
      break;
    }
  case GUI_MSG_SETFOCUS:
    {
//      CLog::Log(LOGDEBUG,"set focus to control:%i window:%i (%i)\n", message.GetControlId(),message.GetSenderId(), GetID());
      if ( message.GetControlId() )
      {
        // first unfocus the current control
        CGUIControl *control = GetFocusedControl();
        if (control)
        {
          CGUIMessage msgLostFocus(GUI_MSG_LOSTFOCUS, GetID(), control->GetID(), message.GetControlId());
          control->OnMessage(msgLostFocus);
        }

        // get the control to focus
        CGUIControl* pFocusedControl = GetFirstFocusableControl(message.GetControlId());
        if (!pFocusedControl) pFocusedControl = (CGUIControl *)GetControl(message.GetControlId());

        // and focus it
        if (pFocusedControl)
          return pFocusedControl->OnMessage(message);
      }
      return true;
    }
    break;
  case GUI_MSG_EXCLUSIVE_MOUSE:
    {
      m_exclusiveMouseControl = message.GetSenderId();
      return true;
    }
    break;
//.........这里部分代码省略.........

bool CGUIWindow::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_LOAD:
    {
      Initialize();
      return true;
    }
    break;

  case GUI_MSG_WINDOW_INIT:
    {
      CLog::Log(LOGDEBUG, "------ Window Init (%s) ------", GetProperty("xmlfile").c_str());
      if (m_dynamicResourceAlloc || !m_bAllocated) AllocResources(false);
      OnInitWindow();
      return true;
    }
    break;

  case GUI_MSG_WINDOW_DEINIT:
    {
      CLog::Log(LOGDEBUG, "------ Window Deinit (%s) ------", GetProperty("xmlfile").c_str());
      OnDeinitWindow(message.GetParam1());
      // now free the window
      if (m_dynamicResourceAlloc) FreeResources();
      return true;
    }
    break;

  case GUI_MSG_UNFOCUS_ALL:
    {
      //unfocus the current focused control in this window
      CGUIControl *control = GetFocusedControl();
      if(control)
      {
        //tell focused control that it has lost the focus
        CGUIMessage msgLostFocus(GUI_MSG_LOSTFOCUS, GetID(), control->GetID(), control->GetID());
        control->OnMessage(msgLostFocus);
        CLog::Log(LOGDEBUG, "Unfocus WindowID: %i, ControlID: %i",GetID(), control->GetID());
      }
      return true;
    }

  case GUI_MSG_FOCUSED:
    { // a control has been focused
      if (HasID(message.GetSenderId()))
      {
        m_focusedControl = message.GetControlId();
        return true;
      }
      break;
    }
  case GUI_MSG_LOSTFOCUS:
    {
      // nothing to do at the window level when we lose focus
      return true;
    }
  case GUI_MSG_MOVE:
    {
      if (HasID(message.GetSenderId()))
        return OnMove(message.GetControlId(), message.GetParam1());
      break;
    }
  case GUI_MSG_SETFOCUS:
    {
//      CLog::Log(LOGDEBUG,"set focus to control:%i window:%i (%i)\n", message.GetControlId(),message.GetSenderId(), GetID());
      if ( message.GetControlId() )
      {
        // first unfocus the current control
        CGUIControl *control = GetFocusedControl();
        if (control)
        {
          CGUIMessage msgLostFocus(GUI_MSG_LOSTFOCUS, GetID(), control->GetID(), message.GetControlId());
          control->OnMessage(msgLostFocus);
        }

        // get the control to focus
        CGUIControl* pFocusedControl = GetFirstFocusableControl(message.GetControlId());
        if (!pFocusedControl) pFocusedControl = GetControl(message.GetControlId());

        // and focus it
        if (pFocusedControl)
          return pFocusedControl->OnMessage(message);
      }
      return true;
    }
    break;
  case GUI_MSG_EXCLUSIVE_MOUSE:
    {
      m_exclusiveMouseControl = message.GetSenderId();
      return true;
    }
    break;
  case GUI_MSG_GESTURE_NOTIFY:
    {
      CAction action(ACTION_GESTURE_NOTIFY, 0, static_cast<float>(message.GetParam1()), static_cast<float>(message.GetParam2()), 0, 0);
      EVENT_RESULT result = OnMouseAction(action);
      auto res = new int(result);
      message.SetPointer(static_cast<void*>(res));
//.........这里部分代码省略.........