自学教程：C++ GetControl函数代码示例

voidDeviceEditWidget::SetConfig(const DeviceConfig &_config){  config = _config;  if (config.port_type == DeviceConfig::PortType::DISABLED)    /* if the user configures a new device, forget the old "enabled"       flag and re-enable the device */    config.enabled = true;  WndProperty &port_control = GetControl(Port);  DataFieldEnum &port_df = *(DataFieldEnum *)port_control.GetDataField();  SetPort(port_df, config);  port_control.RefreshDisplay();  WndProperty &baud_control = GetControl(BaudRate);  DataFieldEnum &baud_df = *(DataFieldEnum *)baud_control.GetDataField();  baud_df.Set(config.baud_rate);  baud_control.RefreshDisplay();  WndProperty &bulk_baud_control = GetControl(BulkBaudRate);  DataFieldEnum &bulk_baud_df = *(DataFieldEnum *)    bulk_baud_control.GetDataField();  bulk_baud_df.Set(config.bulk_baud_rate);  bulk_baud_control.RefreshDisplay();  WndProperty &ip_address_control = GetControl(IP_ADDRESS);  DataFieldEnum &ip_address_df = *(DataFieldEnum *)    ip_address_control.GetDataField();  ip_address_df.Set(config.ip_address);  ip_address_control.RefreshDisplay();  WndProperty &tcp_port_control = GetControl(TCPPort);  DataFieldEnum &tcp_port_df = *(DataFieldEnum *)    tcp_port_control.GetDataField();  tcp_port_df.Set(config.tcp_port);  tcp_port_control.RefreshDisplay();  WndProperty &i2c_bus_control = GetControl(I2CBus);  DataFieldEnum &i2c_bus_df = *(DataFieldEnum *)    i2c_bus_control.GetDataField();  i2c_bus_df.Set(config.i2c_bus);  i2c_bus_control.RefreshDisplay();  WndProperty &i2c_addr_control = GetControl(I2CAddr);  DataFieldEnum &i2c_addr_df = *(DataFieldEnum *)    i2c_addr_control.GetDataField();  i2c_addr_df.Set(config.i2c_addr);  i2c_addr_control.RefreshDisplay();  WndProperty &press_control = GetControl(PressureUsage);  DataFieldEnum &press_df = *(DataFieldEnum *)    press_control.GetDataField();  press_df.Set((unsigned)config.press_use);  press_control.RefreshDisplay();  WndProperty &driver_control = GetControl(Driver);  DataFieldEnum &driver_df = *(DataFieldEnum *)driver_control.GetDataField();  driver_df.Set(config.driver_name);  driver_control.RefreshDisplay();  WndProperty &sync_from_control = GetControl(SyncFromDevice);  DataFieldBoolean &sync_from_df =      *(DataFieldBoolean *)sync_from_control.GetDataField();  sync_from_df.Set(config.sync_from_device);  sync_from_control.RefreshDisplay();  WndProperty &sync_to_control = GetControl(SyncToDevice);  DataFieldBoolean &sync_to_df =      *(DataFieldBoolean *)sync_to_control.GetDataField();  sync_to_df.Set(config.sync_to_device);  sync_to_control.RefreshDisplay();  WndProperty &k6bt_control = GetControl(K6Bt);  DataFieldBoolean &k6bt_df =      *(DataFieldBoolean *)k6bt_control.GetDataField();  k6bt_df.Set(config.k6bt);  k6bt_control.RefreshDisplay();  UpdateVisibilities();}

void* Interface_GUIWindow::get_control_spin(void* kodiBase, void* handle, int control_id){  return GetControl(kodiBase, handle, control_id, __FUNCTION__, CGUIControl::GUICONTROL_SPINEX, "spin");}

bool CGUIDialogKeyboardGeneric::OnMessage(CGUIMessage& message){  switch ( message.GetMessage() )  {  case GUI_MSG_CLICKED:    {      int iControl = message.GetSenderId();      switch (iControl)      {      case CTL_BUTTON_DONE:        OnOK();        break;      case CTL_BUTTON_CANCEL:        Close();        break;      case CTL_BUTTON_SHIFT:        OnShift();        break;      case CTL_BUTTON_CAPS:        if (m_keyType == LOWER)          m_keyType = CAPS;        else if (m_keyType == CAPS)          m_keyType = LOWER;        UpdateButtons();        break;      case CTL_BUTTON_LAYOUT:        OnLayout();        break;      case CTL_BUTTON_SYMBOLS:        OnSymbols();        break;      case CTL_BUTTON_LEFT:        MoveCursor( -1);        break;      case CTL_BUTTON_RIGHT:        MoveCursor(1);        break;      case CTL_BUTTON_IP_ADDRESS:        OnIPAddress();        break;      case CTL_BUTTON_CLEAR:        SetEditText("");        break;      case CTL_EDIT:      {        CGUIMessage msg(GUI_MSG_ITEM_SELECTED, GetID(), CTL_EDIT);        OnMessage(msg);        // update callback I guess?        if (m_pCharCallback)        { // we did _something_, so make sure our search message filter is reset          m_pCharCallback(this, msg.GetLabel());        }        m_text = msg.GetLabel();        return true;      }      default:        OnClickButton(iControl);        break;      }    }    break;  case GUI_MSG_SET_TEXT:  case GUI_MSG_INPUT_TEXT_EDIT:    {      // the edit control only handles these messages if it is either focues      // or its specific control ID is set in the message. As neither is the      // case here (focus is on one of the keyboard buttons) we have to force      // the control ID of the message to the control ID of the edit control      // (unfortunately we have to create a whole copy of the message object for that)      CGUIMessage messageCopy(message.GetMessage(), message.GetSenderId(), CTL_EDIT, message.GetParam1(), message.GetParam2(), message.GetItem());      messageCopy.SetLabel(message.GetLabel());      // ensure this goes to the edit control      CGUIControl *edit = GetControl(CTL_EDIT);      if (edit)        edit->OnMessage(messageCopy);      // close the dialog if requested      if (message.GetMessage() == GUI_MSG_SET_TEXT && message.GetParam1() > 0)        OnOK();      return true;    }  }  return CGUIDialog::OnMessage(message);}

void CGUIWindowSettingsScreenCalibration::UpdateFromControl(int iControl){  std::string strStatus;  RESOLUTION_INFO info = g_graphicsContext.GetResInfo(m_Res[m_iCurRes]);  if (iControl == CONTROL_PIXEL_RATIO)  {    CGUIControl *pControl = GetControl(CONTROL_PIXEL_RATIO);    if (pControl)    {      float fWidth = (float)pControl->GetWidth();      float fHeight = (float)pControl->GetHeight();      info.fPixelRatio = fHeight / fWidth;      // recenter our control...      pControl->SetPosition((info.iWidth - pControl->GetWidth()) / 2,                            (info.iHeight - pControl->GetHeight()) / 2);      strStatus = StringUtils::Format("%s (%5.3f)", g_localizeStrings.Get(275).c_str(), info.fPixelRatio);      SET_CONTROL_LABEL(CONTROL_LABEL_ROW2, 278);    }  }  else  {    const CGUIMoverControl *pControl = dynamic_cast<const CGUIMoverControl*>(GetControl(iControl));    if (pControl)    {      switch (iControl)      {      case CONTROL_TOP_LEFT:        {          info.Overscan.left = pControl->GetXLocation();          info.Overscan.top = pControl->GetYLocation();          strStatus = StringUtils::Format("%s (%i,%i)", g_localizeStrings.Get(272).c_str(), pControl->GetXLocation(), pControl->GetYLocation());          SET_CONTROL_LABEL(CONTROL_LABEL_ROW2, 276);        }        break;      case CONTROL_BOTTOM_RIGHT:        {          info.Overscan.right = pControl->GetXLocation();          info.Overscan.bottom = pControl->GetYLocation();          int iXOff1 = info.iWidth - pControl->GetXLocation();          int iYOff1 = info.iHeight - pControl->GetYLocation();          strStatus = StringUtils::Format("%s (%i,%i)", g_localizeStrings.Get(273).c_str(), iXOff1, iYOff1);          SET_CONTROL_LABEL(CONTROL_LABEL_ROW2, 276);        }        break;      case CONTROL_SUBTITLES:        {          info.iSubtitles = pControl->GetYLocation();          strStatus = StringUtils::Format("%s (%i)", g_localizeStrings.Get(274).c_str(), pControl->GetYLocation());          SET_CONTROL_LABEL(CONTROL_LABEL_ROW2, 277);        }        break;      }    }  }  g_graphicsContext.SetResInfo(m_Res[m_iCurRes], info);  // set the label control correctly  std::string strText;  if (g_Windowing.IsFullScreen())    strText = StringUtils::Format("%ix%[email
C++ GetController函数代码示例
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