Method MouseHookProc

source/MaaWin32ControlUnit/Input/MessageInput.cpp:540–559

WH_MOUSE_LL 钩子回调：累加硬件鼠标位移 delta 并拦截，由追踪线程按固定帧率批量释放

// WH_MOUSE_LL 钩子回调：累加硬件鼠标位移 delta 并拦截，由追踪线程按固定帧率批量释放
LRESULT CALLBACK MessageInput::MouseHookProc(int nCode, WPARAM wParam, LPARAM lParam)
{
    if (nCode != HC_ACTION || wParam != WM_MOUSEMOVE) {
        return CallNextHookEx(NULL, nCode, wParam, lParam);
    }

    // 在关键初始化窗口期间，直接吞掉所有鼠标移动
    if (hook_block_mouse_.load()) {
        return 1;
    }

    auto* mouse_info = reinterpret_cast<MSLLHOOKSTRUCT*>(lParam);
    auto* inst = s_active_instance_.load();
    if (!inst || !inst->handle_hardware_mouse_move(*mouse_info)) {
        return CallNextHookEx(NULL, nCode, wParam, lParam);
    }

    // 拦截原始硬件鼠标移动（稍后由追踪线程通过 SetCursorPos 一次性释放累积量）
    return 1;
}

void MessageInput::open_target_process()
{