windows 获取焦点所在窗口或者激活的窗口（要修改焦点所在窗口的输入法）

zlxi 2020-06-01 03:45:50

win7系统。 --- 要修改焦点所在窗口的输入法，

1.GetForegroundWindow 返回窗口句柄为0 。并不能获取。

到底如何获取焦点所在窗口。





DWORD dwThread = GetWindowThreadProcessId(GetForegroundWindow(), NULL);

AttachThreadInput(dwThread, GetCurrentThreadId(), TRUE);

HWND hFocus = GetFocus();

std::cout << dwThread << ":" << hFocus << std::endl;

AttachThreadInput(dwThread, GetCurrentThreadId(), FALSE);







--- 要修改焦点所在窗口的输入法，



void SetImeConversionStatus(HWND& hwnd, _IME_Mode mode)

{

	HIMC hImc = ImmGetContext(hwnd);



	if (mode == _IME_Off)

	{

		// IMEオフ

		ImmSetOpenStatus(hImc, FALSE);

	}

	else

	{

		ImmSetOpenStatus(hImc, TRUE);

		DWORD dwConversion = 0;

		DWORD dwSentence = 0;

		ImmGetConversionStatus(hImc, &dwConversion, &dwSentence);

		std::cout << hwnd << ":" << GetLastError() << std::endl;

		switch (mode)

		{

		case _IME_Hiragana: // ひらがな

			dwConversion |= IME_CMODE_NATIVE | IME_CMODE_FULLSHAPE;

			dwConversion &= ~IME_CMODE_KATAKANA;

			break;

		case _IME_Katakana: // 全角カタカナ

			dwConversion |=

				IME_CMODE_NATIVE | IME_CMODE_FULLSHAPE | IME_CMODE_KATAKANA;

			break;

		case _IME_Alpha: // 全角英数

			dwConversion |= IME_CMODE_FULLSHAPE;

			dwConversion &= ~(IME_CMODE_NATIVE | IME_CMODE_KATAKANA);

			break;

		case _IME_KatakanaHalf: // 半角カタカナ

			dwConversion |= IME_CMODE_NATIVE | IME_CMODE_KATAKANA;

			dwConversion &= ~IME_CMODE_FULLSHAPE;

			break;

		case _IME_AlphaHalf: // 半角英数

			dwConversion &=

				~(IME_CMODE_NATIVE | IME_CMODE_FULLSHAPE | IME_CMODE_KATAKANA);

			break;

		default:

			break;

		}

		ImmSetConversionStatus(hImc, dwConversion, dwSentence);

	}

	ImmReleaseContext(hwnd, hImc);

}