Azure Product

/////// 中文输入注入字符 (Added by Azure)
static bool ChnInjectChar(CEGUI::utf32 code_point);
///////

bool Win32AppHelper::ChnInjectChar(CEGUI::utf32 code_point)
{
#ifndef UNICODE
  static char s_tempChar[3] = "";
  static wchar_t s_tempWchar[2] = L"";
  static bool s_flag = false;
  unsigned char uch = (unsigned char)code_point;
  if( uch >= 0xA1 )
  {
    if( !s_flag )
    {
      s_tempChar[0] = (char)uch; //第一个字节
      s_flag = true;
      return true;
    }
    else if( uch >= 0xA1 )
    {
      s_tempChar[1] = (char)uch; //第二个字节
      s_flag = false;
      MultiByteToWideChar( 0, 0, s_tempChar, 2, s_tempWchar, 1); //转成宽字节
      s_tempWchar[1] = L'\0';
      CEGUI::utf32 code = (CEGUI::utf32)s_tempWchar[0];
      return CEGUI::System::getSingleton().injectChar( code );
    }
    else
    {
      return CEGUI::System::getSingleton().injectChar(code_point);
    }
  }
  else
  {
    s_flag = false;
    return CEGUI::System::getSingleton().injectChar(code_point);
  }
#else
  return CEGUI::System::getSingleton().injectChar(code_point );
#endif
}

case WM_CHAR:
// 不要这个
//CEGUI::System::getSingleton().injectChar((CEGUI::utf32)wParam);
// 改用自己的注入
ChnInjectChar((CEGUI::utf32)wParam);
break;

/////// 虚拟按键转扫描码 (Added by Azure)
static UINT VirtualKeyToScanCode(WPARAM wParam, LPARAM lParam);

UINT Win32AppHelper::VirtualKeyToScanCode(WPARAM wParam, LPARAM lParam)
{
  if(HIWORD(lParam) & 0x0F00)
  {
    UINT scancode = MapVirtualKey(wParam, 0);
    return scancode | 0x80;
  }
  else
  {
    return HIWORD(lParam) & 0x00FF;
  }
}

case WM_KEYDOWN:
{
//输入法跟随
IMEFollow(hWnd);
    
//输入法状态时，输入不传递到UI系统中去。
UINT vk = (UINT)ImmGetVirtualKey(hWnd);
if(vk == wParam)
  break;
      
CEGUI::System::getSingleton().injectKeyDown((CEGUI::utf32)(VirtualKeyToScanCode(wParam, lParam)));
}
break;

case WM_KEYUP:
CEGUI::System::getSingleton().injectKeyUp((CEGUI::utf32)(VirtualKeyToScanCode(wParam, lParam)));
break;

/////// 获得输入框的坐标 (Added by Azure)
static bool getFocusedInputBoxCoord(POINT& point, float& height);

////// 输入法跟随 (Added by Azure)
static bool IMEFollow(HWND hWnd);

bool Win32AppHelper::getFocusedInputBoxCoord(POINT& point, float& height)
{
  //寻找到有输入焦点的EditBox的左上坐标
  //遍历所有窗口
  CEGUI::WindowManager::WindowIterator wit = CEGUI::WindowManager::getSingleton().getIterator();
  while(!wit.isAtEnd())
  {
    const CEGUI::Window* widget = (*wit)->getActiveChild();
    //如果是EditBox或者MultiLineEditBox
    if(widget)
    {
      CEGUI::String windowType = widget->getType();
      if(windowType == "Vanilla/Editbox")                //根据具体的scheme来修改。
      {
        const CEGUI::UVector2& winPos = widget->getPosition();
        height = widget->getPixelRect().getHeight();
          
        CEGUI::Vector2 winPos1 = CEGUI::CoordConverter::windowToScreen(*widget, winPos);

        point.x = winPos1.d_x;
        point.y = winPos1.d_y;
        return true;
      }
    }
    wit++;
  }

  return false;
}

bool Win32AppHelper::IMEFollow(HWND hWnd)
{
  //判断输入法是否打开
  if (!ImmIsIME(GetKeyboardLayout(0)))
    return false;
  
  //获得输入框左上坐标
  bool result;
  POINT point;
  float height;
  result = getFocusedInputBoxCoord(point, height);
  if(!result)
    return false;
  
  //获得客户区的坐标
  RECT rect;
  GetClientRect(hWnd, &rect);
  point.x+=rect.left;
  point.y+=rect.top;

  //设置输入法位置
  HIMC hImc = ImmGetContext(hWnd);
  if(hImc==NULL) return false;
  COMPOSITIONFORM form;
  ImmGetCompositionWindow(hImc, &form);
  form.ptCurrentPos.x = point.x;
  form.ptCurrentPos.y = point.y + height;
  ImmSetCompositionWindow(hImc, &form);

  return true;  
}