C++ BaseSettingControlPtr::GetSetting方法代码示例

void CGUIWindowSettingsCategory::OnClick(BaseSettingControlPtr pSettingControl)
{
  if (pSettingControl->GetSetting()->GetId() == RESET_SETTING_ID)
  {
    OnAction(CAction(ACTION_SETTINGS_RESET));
    return;
  }

  // we need to first set the delayed setting and then execute OnClick()
  // because OnClick() triggers OnSettingChanged() and there we need to
  // know if the changed setting is delayed or not
  if (pSettingControl->IsDelayed())
  {
    m_delayedSetting = pSettingControl;
    if (m_delayedTimer.IsRunning())
      m_delayedTimer.Restart();
    else
      m_delayedTimer.Start(SETTING_DELAY);

    return;
  }

  // if changing the setting fails
  // we need to restore the proper state
  if (!pSettingControl->OnClick())
    pSettingControl->Update();
}

void CGUIWindowSettingsCategory::UpdateSettings()
{
  for (vector<BaseSettingControlPtr>::iterator it = m_settingControls.begin(); it != m_settingControls.end(); it++)
  {
    BaseSettingControlPtr pSettingControl = *it;
    CSetting *pSetting = pSettingControl->GetSetting();
    CGUIControl *pControl = pSettingControl->GetControl();
    if (pSetting == NULL || pControl == NULL)
      continue;

    // update the setting's control's state (enabled/disabled etc)
    const SettingDependencies &deps = pSetting->GetDependencies();
    for (SettingDependencies::const_iterator dep = deps.begin(); dep != deps.end(); dep++)
    {
      // don't check "update" dependencies here as all the controls are already
      // setup properly based on the existing values
      if (dep->GetType() == SettingDependencyTypeUpdate)
        continue;

      CheckDependency(pSettingControl, *dep);
    }

    pSettingControl->Update();
  }
}

void CGUIWindowSettingsCategory::CheckDependency(BaseSettingControlPtr pSettingControl, const CSettingDependency &dependency)
{
  if (pSettingControl == NULL || pSettingControl->GetControl() == NULL)
    return;

  CSetting *pSetting = pSettingControl->GetSetting();
  if (pSetting == NULL)
    return;

  switch (dependency.GetType())
  {
    case SettingDependencyTypeEnable:
      pSettingControl->SetEnabled(dependency.Check());
      break;

    case SettingDependencyTypeUpdate:
    {
      FillControl(pSetting, pSettingControl->GetControl());
      break;
    }

    case SettingDependencyTypeNone:
    default:
      break;
  }
}

void CGUIWindowSettingsCategory::UpdateControl(const std::string &dependingSetting, const CSettingDependency &dependency)
{
  if (dependingSetting.empty())
    return;

  BaseSettingControlPtr pControl = GetSettingControl(dependingSetting);
  if (pControl == NULL)
    return;

  CSetting *pSetting = pControl->GetSetting();
  if (pSetting == NULL)
    return;

  CheckDependency(pControl, dependency);

  const SettingDependencyMap& deps = m_settings.GetDependencies(pSetting->GetId());
  for (SettingDependencyMap::const_iterator depsIt = deps.begin(); depsIt != deps.end(); depsIt++)
  {
    for (SettingDependencies::const_iterator depIt = depsIt->second.begin(); depIt != depsIt->second.end(); depIt++)
      UpdateControl(depsIt->first, *depIt);
  }

  // update GUI of the changed setting as the change could have been triggered by something else
  pControl->Update();
}

void CGUIDialogSettingsBase::UpdateSettings()
{
  for (vector<BaseSettingControlPtr>::iterator it = m_settingControls.begin(); it != m_settingControls.end(); it++)
  {
    BaseSettingControlPtr pSettingControl = *it;
    CSetting *pSetting = pSettingControl->GetSetting();
    CGUIControl *pControl = pSettingControl->GetControl();
    if (pSetting == NULL || pControl == NULL)
      continue;

    pSettingControl->Update();
  }
}

void CGUIDialogSettingsBase::OnClick(BaseSettingControlPtr pSettingControl)
{
  if (AllowResettingSettings() &&
      pSettingControl->GetSetting()->GetId() == SETTINGS_RESET_SETTING_ID)
  {
    OnAction(CAction(ACTION_SETTINGS_RESET));
    return;
  }

  // we need to first set the delayed setting and then execute OnClick()
  // because OnClick() triggers OnSettingChanged() and there we need to
  // know if the changed setting is delayed or not
  if (pSettingControl->IsDelayed())
  {
    m_delayedSetting = pSettingControl;
    // for some controls we need to update its displayed data/text before
    // OnClick() is called after the delay timer has expired because
    // otherwise the displayed value of the control does not match with
    // the user's interaction
    pSettingControl->Update(true);

    // either start or restart the delay timer which will result in a call to
    // the control's OnClick() method to update the setting's value
    if (m_delayedTimer.IsRunning())
      m_delayedTimer.Restart();
    else
      m_delayedTimer.Start(GetDelayMs());

    return;
  }

  // if changing the setting fails
  // we need to restore the proper state
  if (!pSettingControl->OnClick())
    pSettingControl->Update();
}

bool CGUIDialogSettingsBase::OnMessage(CGUIMessage &message)
{
  switch (message.GetMessage())
  {
    case GUI_MSG_WINDOW_INIT:
    {
      m_delayedSetting.reset();
      if (message.GetParam1() != WINDOW_INVALID)
      { // coming to this window first time (ie not returning back from some other window)
        // so we reset our section and control states
        m_iCategory = 0;
        ResetControlStates();
      }

      if (AllowResettingSettings())
      {
        m_resetSetting = new CSettingAction(SETTINGS_RESET_SETTING_ID);
        m_resetSetting->SetLabel(10041);
        m_resetSetting->SetHelp(10045);
        m_resetSetting->SetControl(CreateControl("button"));
      }

      m_dummyCategory = new CSettingCategory(SETTINGS_EMPTY_CATEGORY_ID);
      m_dummyCategory->SetLabel(10046);
      m_dummyCategory->SetHelp(10047);
      break;
    }

    case GUI_MSG_WINDOW_DEINIT:
    {
      // cancel any delayed changes
      if (m_delayedSetting != NULL)
      {
        m_delayedTimer.Stop();
        CGUIMessage message(GUI_MSG_UPDATE_ITEM, GetID(), m_delayedSetting->GetID());
        OnMessage(message);
      }
      
      CGUIDialog::OnMessage(message);
      FreeControls();
      return true;
    }
    
    case GUI_MSG_FOCUSED:
    {
      CGUIDialog::OnMessage(message);
      int focusedControl = GetFocusedControlID();

      // cancel any delayed changes
      if (m_delayedSetting != NULL && m_delayedSetting->GetID() != focusedControl)
      {
        m_delayedTimer.Stop();
        CGUIMessage message(GUI_MSG_UPDATE_ITEM, GetID(), m_delayedSetting->GetID(), 1); // param1 = 1 for "reset the control if it's invalid"
        g_windowManager.SendThreadMessage(message, GetID());
      }
      // update the value of the previous setting (in case it was invalid)
      else if (m_iSetting >= CONTROL_SETTINGS_START_CONTROL && m_iSetting < (int)(CONTROL_SETTINGS_START_CONTROL + m_settingControls.size()))
      {
        BaseSettingControlPtr control = GetSettingControl(m_iSetting);
        if (control != NULL && control->GetSetting() != NULL && !control->IsValid())
        {
          CGUIMessage message(GUI_MSG_UPDATE_ITEM, GetID(), m_iSetting, 1); // param1 = 1 for "reset the control if it's invalid"
          g_windowManager.SendThreadMessage(message, GetID());
        }
      }

      CVariant description;

      // check if we have changed the category and need to create new setting controls
      if (focusedControl >= CONTROL_SETTINGS_START_BUTTONS && focusedControl < (int)(CONTROL_SETTINGS_START_BUTTONS + m_categories.size()))
      {
        int categoryIndex = focusedControl - CONTROL_SETTINGS_START_BUTTONS;
        const CSettingCategory* category = m_categories.at(categoryIndex);
        if (categoryIndex != m_iCategory)
        {
          if (!category->CanAccess())
          {
            // unable to go to this category - focus the previous one
            SET_CONTROL_FOCUS(CONTROL_SETTINGS_START_BUTTONS + m_iCategory, 0);
            return false;
          }

          m_iCategory = categoryIndex;
          CreateSettings();
        }

        description = category->GetHelp();
      }
      else if (focusedControl >= CONTROL_SETTINGS_START_CONTROL && focusedControl < (int)(CONTROL_SETTINGS_START_CONTROL + m_settingControls.size()))
      {
        m_iSetting = focusedControl;
        CSetting *setting = GetSettingControl(focusedControl)->GetSetting();
        if (setting != NULL)
          description = setting->GetHelp();
      }

      // set the description of the currently focused category/setting
      if (description.isInteger() ||
          (description.isString() && !description.empty()))
        SetDescription(description);
//.........这里部分代码省略.........

bool CGUIWindowSettingsCategory::OnMessage(CGUIMessage &message)
{
  switch (message.GetMessage())
  {
    case GUI_MSG_WINDOW_INIT:
    {
      m_delayedSetting.reset();
      if (message.GetParam1() != WINDOW_INVALID && !m_returningFromSkinLoad)
      { // coming to this window first time (ie not returning back from some other window)
        // so we reset our section and control states
        m_iCategory = 0;
        ResetControlStates();
      }
      
      m_iSection = (int)message.GetParam2() - (int)CGUIWindow::GetID();
      CGUIWindow::OnMessage(message);
      m_returningFromSkinLoad = false;
      return true;
    }

    case GUI_MSG_WINDOW_DEINIT:
    {
      // cancel any delayed changes
      if (m_delayedSetting != NULL)
      {
        m_delayedTimer.Stop();
        CGUIMessage message(GUI_MSG_UPDATE_ITEM, GetID(), GetID());
        OnMessage(message);
      }
      
      CGUIWindow::OnMessage(message);
      FreeControls();
      return true;
    }
    
    case GUI_MSG_FOCUSED:
    {
      CGUIWindow::OnMessage(message);
      if (!m_returningFromSkinLoad)
      {
        int focusedControl = GetFocusedControlID();

        // cancel any delayed changes if the focused control has changed
        if (m_delayedSetting != NULL && m_delayedSetting->GetID() != focusedControl)
        {
          m_delayedTimer.Stop();
          CGUIMessage message(GUI_MSG_UPDATE_ITEM, GetID(), GetID(), 1); // param1 = 1 for "reset the control if it's invalid"
          g_windowManager.SendThreadMessage(message, GetID());
        }

        // check if we have changed the category and need to create new setting controls
        if (focusedControl >= CONTROL_START_BUTTONS && focusedControl < (int)(CONTROL_START_BUTTONS + m_categories.size()))
        {
          int categoryIndex = focusedControl - CONTROL_START_BUTTONS;
          if (categoryIndex != m_iCategory)
          {
            if (!m_categories[categoryIndex]->CanAccess())
            {
              // unable to go to this category - focus the previous one
              SET_CONTROL_FOCUS(CONTROL_START_BUTTONS + m_iCategory, 0);
              return false;
            }

            m_iCategory = categoryIndex;
            CreateSettings();
          }
        }
        else if (focusedControl >= CONTROL_START_CONTROL && focusedControl < (int)(CONTROL_START_CONTROL + m_settingControls.size()))
        {
          CSetting *setting = GetSettingControl(focusedControl)->GetSetting();
          if (setting != NULL)
            SetDescription(setting->GetHelp());
        }
      }
      return true;
    }

    case GUI_MSG_CLICKED:
    {
      BaseSettingControlPtr control = GetSettingControl(message.GetSenderId());
      if (control != NULL)
        OnClick(control);

      break;
    }

    case GUI_MSG_LOAD_SKIN:
    {
      if (IsActive())
        m_returningFromSkinLoad = true;
      break;
    }
    
    case GUI_MSG_UPDATE_ITEM:
    {
      if (m_delayedSetting != NULL)
      {
        // first get the delayed setting and reset its member variable
        // to avoid handling the delayed setting twice in case the OnClick()
        // performed later causes the window to be deinitialized (e.g. when
//.........这里部分代码省略.........